From c50bbbfedd86e32161db7c2a41e9e38b9015ba51 Mon Sep 17 00:00:00 2001 From: moneromooo-monero Date: Tue, 27 Dec 2016 10:37:46 +0000 Subject: [PATCH] easylogging++: import upstream --- external/easylogging++/easylogging++.h | 6695 ++++++++++++++++++++++++ 1 file changed, 6695 insertions(+) create mode 100644 external/easylogging++/easylogging++.h diff --git a/external/easylogging++/easylogging++.h b/external/easylogging++/easylogging++.h new file mode 100644 index 000000000..33f26cebb --- /dev/null +++ b/external/easylogging++/easylogging++.h @@ -0,0 +1,6695 @@ +// +// Bismillah ar-Rahmaan ar-Raheem +// +// Easylogging++ v9.84 +// Single-header only, cross-platform logging library for C++ applications +// +// Copyright (c) 2016 muflihun.com +// +// This library is released under the MIT Licence. +// http://easylogging.muflihun.com/licence.php +// +// easylogging@muflihun.com +// +// https://github.com/easylogging/easyloggingpp +// http://easylogging.muflihun.com +// http://muflihun.com +// +#ifndef EASYLOGGINGPP_H +#define EASYLOGGINGPP_H +// Compilers and C++0x/C++11 Evaluation +#if (defined(__GNUC__)) +# define ELPP_COMPILER_GCC 1 +#else +# define ELPP_COMPILER_GCC 0 +#endif +#if ELPP_COMPILER_GCC +# define ELPP_GCC_VERSION (__GNUC__ * 10000 \ ++ __GNUC_MINOR__ * 100 \ ++ __GNUC_PATCHLEVEL__) +# if defined(__GXX_EXPERIMENTAL_CXX0X__) +# define ELPP_CXX0X 1 +# elif(ELPP_GCC_VERSION >= 40801) +# define ELPP_CXX11 1 +# endif +#endif +// Visual C++ +#if defined(_MSC_VER) +# define ELPP_COMPILER_MSVC 1 +#else +# define ELPP_COMPILER_MSVC 0 +#endif +#define ELPP_CRT_DBG_WARNINGS ELPP_COMPILER_MSVC +#if ELPP_COMPILER_MSVC +# if (_MSC_VER == 1600) +# define ELPP_CXX0X 1 +# elif(_MSC_VER >= 1700) +# define ELPP_CXX11 1 +# endif +#endif +// Clang++ +#if (defined(__clang__) && (__clang__ == 1)) +# define ELPP_COMPILER_CLANG 1 +#else +# define ELPP_COMPILER_CLANG 0 +#endif +#if ELPP_COMPILER_CLANG +# define ELPP_CLANG_VERSION (__clang_major__ * 10000 \ ++ __clang_minor__ * 100 \ ++ __clang_patchlevel__) +# if (ELPP_CLANG_VERSION >= 30300) +# define ELPP_CXX11 1 +# endif // (ELPP_CLANG_VERSION >= 30300) +#endif +#if (defined(__MINGW32__) || defined(__MINGW64__)) +# define ELPP_MINGW 1 +#else +# define ELPP_MINGW 0 +#endif +#if (defined(__CYGWIN__) && (__CYGWIN__ == 1)) +# define ELPP_CYGWIN 1 +#else +# define ELPP_CYGWIN 0 +#endif +#if (defined(__INTEL_COMPILER)) +# define ELPP_COMPILER_INTEL 1 +#else +# define ELPP_COMPILER_INTEL 0 +#endif +// Operating System Evaluation +// Windows +#if (defined(_WIN32) || defined(_WIN64)) +# define ELPP_OS_WINDOWS 1 +#else +# define ELPP_OS_WINDOWS 0 +#endif +// Linux +#if (defined(__linux) || defined(__linux__)) +# define ELPP_OS_LINUX 1 +#else +# define ELPP_OS_LINUX 0 +#endif +#if (defined(__APPLE__)) +# define ELPP_OS_MAC 1 +#else +# define ELPP_OS_MAC 0 +#endif +#if (defined(__FreeBSD__)) +# define ELPP_OS_FREEBSD 1 +#else +# define ELPP_OS_FREEBSD 0 +#endif +#if (defined(__sun)) +# define ELPP_OS_SOLARIS 1 +#else +# define ELPP_OS_SOLARIS 0 +#endif +// Unix +#if ((ELPP_OS_LINUX || ELPP_OS_MAC || ELPP_OS_FREEBSD || ELPP_OS_SOLARIS) && (!ELPP_OS_WINDOWS)) +# define ELPP_OS_UNIX 1 +#else +# define ELPP_OS_UNIX 0 +#endif +#if (defined(__ANDROID__)) +# define ELPP_OS_ANDROID 1 +#else +# define ELPP_OS_ANDROID 0 +#endif +// Evaluating Cygwin as *nix OS +#if !ELPP_OS_UNIX && !ELPP_OS_WINDOWS && ELPP_CYGWIN +# undef ELPP_OS_UNIX +# undef ELPP_OS_LINUX +# define ELPP_OS_UNIX 1 +# define ELPP_OS_LINUX 1 +#endif // !ELPP_OS_UNIX && !ELPP_OS_WINDOWS && ELPP_CYGWIN +#if !defined(ELPP_INTERNAL_DEBUGGING_OUT_INFO) +# define ELPP_INTERNAL_DEBUGGING_OUT_INFO std::cout +#endif // !defined(ELPP_INTERNAL_DEBUGGING_OUT) +#if !defined(ELPP_INTERNAL_DEBUGGING_OUT_ERROR) +# define ELPP_INTERNAL_DEBUGGING_OUT_ERROR std::cerr +#endif // !defined(ELPP_INTERNAL_DEBUGGING_OUT) +#if !defined(ELPP_INTERNAL_DEBUGGING_ENDL) +# define ELPP_INTERNAL_DEBUGGING_ENDL std::endl +#endif // !defined(ELPP_INTERNAL_DEBUGGING_OUT) +#if !defined(ELPP_INTERNAL_DEBUGGING_MSG) +# define ELPP_INTERNAL_DEBUGGING_MSG(msg) msg +#endif // !defined(ELPP_INTERNAL_DEBUGGING_OUT) +// Internal Assertions and errors +#if !defined(ELPP_DISABLE_ASSERT) +# if (defined(ELPP_DEBUG_ASSERT_FAILURE)) +# define ELPP_ASSERT(expr, msg) if (!(expr)) { \ +std::stringstream internalInfoStream; internalInfoStream << msg; \ +ELPP_INTERNAL_DEBUGGING_OUT_ERROR \ +<< "EASYLOGGING++ ASSERTION FAILED (LINE: " << __LINE__ << ") [" #expr << "] WITH MESSAGE \"" \ +<< ELPP_INTERNAL_DEBUGGING_MSG(internalInfoStream.str()) << "\"" << ELPP_INTERNAL_DEBUGGING_ENDL; base::utils::abort(1, \ +"ELPP Assertion failure, please define ELPP_DEBUG_ASSERT_FAILURE"); } +# else +# define ELPP_ASSERT(expr, msg) if (!(expr)) { \ +std::stringstream internalInfoStream; internalInfoStream << msg; \ +ELPP_INTERNAL_DEBUGGING_OUT_ERROR\ +<< "ASSERTION FAILURE FROM EASYLOGGING++ (LINE: " \ +<< __LINE__ << ") [" #expr << "] WITH MESSAGE \"" << ELPP_INTERNAL_DEBUGGING_MSG(internalInfoStream.str()) << "\"" \ +<< ELPP_INTERNAL_DEBUGGING_ENDL; } +# endif // (defined(ELPP_DEBUG_ASSERT_FAILURE)) +#else +# define ELPP_ASSERT(x, y) +#endif //(!defined(ELPP_DISABLE_ASSERT) +#if ELPP_COMPILER_MSVC +# define ELPP_INTERNAL_DEBUGGING_WRITE_PERROR \ +{ char buff[256]; strerror_s(buff, 256, errno); \ +ELPP_INTERNAL_DEBUGGING_OUT_ERROR << ": " << buff << " [" << errno << "]";} (void)0 +#else +# define ELPP_INTERNAL_DEBUGGING_WRITE_PERROR \ +ELPP_INTERNAL_DEBUGGING_OUT_ERROR << ": " << strerror(errno) << " [" << errno << "]"; (void)0 +#endif // ELPP_COMPILER_MSVC +#if defined(ELPP_DEBUG_ERRORS) +# if !defined(ELPP_INTERNAL_ERROR) +# define ELPP_INTERNAL_ERROR(msg, pe) { \ +std::stringstream internalInfoStream; internalInfoStream << " " << msg; \ +ELPP_INTERNAL_DEBUGGING_OUT_ERROR \ +<< "ERROR FROM EASYLOGGING++ (LINE: " << __LINE__ << ") " \ +<< ELPP_INTERNAL_DEBUGGING_MSG(internalInfoStream.str()) << ELPP_INTERNAL_DEBUGGING_ENDL; \ +if (pe) { ELPP_INTERNAL_DEBUGGING_OUT_ERROR << " "; ELPP_INTERNAL_DEBUGGING_WRITE_PERROR; }} (void)0 +# endif +#else +# undef ELPP_INTERNAL_INFO +# define ELPP_INTERNAL_ERROR(msg, pe) +#endif // defined(ELPP_DEBUG_ERRORS) +#if (defined(ELPP_DEBUG_INFO)) +# if !(defined(ELPP_INTERNAL_INFO_LEVEL)) +# define ELPP_INTERNAL_INFO_LEVEL 9 +# endif // !(defined(ELPP_INTERNAL_INFO_LEVEL)) +# if !defined(ELPP_INTERNAL_INFO) +# define ELPP_INTERNAL_INFO(lvl, msg) { if (lvl <= ELPP_INTERNAL_INFO_LEVEL) { \ +std::stringstream internalInfoStream; internalInfoStream << " " << msg; \ +ELPP_INTERNAL_DEBUGGING_OUT_INFO << ELPP_INTERNAL_DEBUGGING_MSG(internalInfoStream.str()) \ +<< ELPP_INTERNAL_DEBUGGING_ENDL; }} +# endif +#else +# undef ELPP_INTERNAL_INFO +# define ELPP_INTERNAL_INFO(lvl, msg) +#endif // (defined(ELPP_DEBUG_INFO)) +#if defined(ELPP_STACKTRACE_ON_CRASH) +# if (ELPP_COMPILER_GCC && !ELPP_MINGW) +# define ELPP_STACKTRACE 1 +# else +# if ELPP_COMPILER_MSVC +# pragma message("Stack trace not available for this compiler") +# else +# warning "Stack trace not available for this compiler"; +# endif // ELPP_COMPILER_MSVC +# endif // ELPP_COMPILER_GCC +#endif // (defined(ELPP_STACKTRACE_ON_CRASH)) +// Miscellaneous macros +#define ELPP_UNUSED(x) (void)x +#if ELPP_OS_UNIX +// Log file permissions for unix-based systems +# define ELPP_LOG_PERMS S_IRUSR | S_IWUSR | S_IXUSR | S_IWGRP | S_IRGRP | S_IXGRP | S_IWOTH | S_IXOTH +#endif // ELPP_OS_UNIX +#if defined(ELPP_AS_DLL) && ELPP_COMPILER_MSVC +# if defined(ELPP_EXPORT_SYMBOLS) +# define ELPP_EXPORT __declspec(dllexport) +# else +# define ELPP_EXPORT __declspec(dllimport) +# endif // defined(ELPP_EXPORT_SYMBOLS) +#else +# define ELPP_EXPORT +#endif // defined(ELPP_AS_DLL) && ELPP_COMPILER_MSVC +// Some special functions that are VC++ specific +#undef STRTOK +#undef STRERROR +#undef STRCAT +#undef STRCPY +#if ELPP_CRT_DBG_WARNINGS +# define STRTOK(a, b, c) strtok_s(a, b, c) +# define STRERROR(a, b, c) strerror_s(a, b, c) +# define STRCAT(a, b, len) strcat_s(a, len, b) +# define STRCPY(a, b, len) strcpy_s(a, len, b) +#else +# define STRTOK(a, b, c) strtok(a, b) +# define STRERROR(a, b, c) strerror(c) +# define STRCAT(a, b, len) strcat(a, b) +# define STRCPY(a, b, len) strcpy(a, b) +#endif +// Compiler specific support evaluations +#if ((!ELPP_MINGW && !ELPP_COMPILER_CLANG) || defined(ELPP_FORCE_USE_STD_THREAD)) +# define ELPP_USE_STD_THREADING 1 +#else +# define ELPP_USE_STD_THREADING 0 +#endif +#undef ELPP_FINAL +#if ELPP_COMPILER_INTEL || (ELPP_GCC_VERSION < 40702) +# define ELPP_FINAL +#else +# define ELPP_FINAL final +#endif // ELPP_COMPILER_INTEL || (ELPP_GCC_VERSION < 40702) +#if defined(ELPP_EXPERIMENTAL_ASYNC) +# define ELPP_ASYNC_LOGGING 1 +#else +# define ELPP_ASYNC_LOGGING 0 +#endif // defined(ELPP_EXPERIMENTAL_ASYNC) +#if defined(ELPP_THREAD_SAFE) || ELPP_ASYNC_LOGGING +# define ELPP_THREADING_ENABLED 1 +#else +# define ELPP_THREADING_ENABLED 0 +#endif // defined(ELPP_THREAD_SAFE) || ELPP_ASYNC_LOGGING +// Function macro ELPP_FUNC +#undef ELPP_FUNC +#if ELPP_COMPILER_MSVC // Visual C++ +# define ELPP_FUNC __FUNCSIG__ +#elif ELPP_COMPILER_GCC // GCC +# define ELPP_FUNC __PRETTY_FUNCTION__ +#elif ELPP_COMPILER_INTEL // Intel C++ +# define ELPP_FUNC __PRETTY_FUNCTION__ +#elif ELPP_COMPILER_CLANG // Clang++ +# define ELPP_FUNC __PRETTY_FUNCTION__ +#else +# if defined(__func__) +# define ELPP_FUNC __func__ +# else +# define ELPP_FUNC "" +# endif // defined(__func__) +#endif // defined(_MSC_VER) +#undef ELPP_VARIADIC_TEMPLATES_SUPPORTED +// Keep following line commented until features are fixed +#define ELPP_VARIADIC_TEMPLATES_SUPPORTED \ +(ELPP_COMPILER_GCC || ELPP_COMPILER_CLANG || ELPP_COMPILER_INTEL || (ELPP_COMPILER_MSVC && _MSC_VER >= 1800)) +// Logging Enable/Disable macros +#define ELPP_LOGGING_ENABLED (!defined(ELPP_DISABLE_LOGS)) +#if (!defined(ELPP_DISABLE_DEBUG_LOGS) && (ELPP_LOGGING_ENABLED) && ((defined(_DEBUG)) || (!defined(NDEBUG)))) +# define ELPP_DEBUG_LOG 1 +#else +# define ELPP_DEBUG_LOG 0 +#endif // (!defined(ELPP_DISABLE_DEBUG_LOGS) && (ELPP_LOGGING_ENABLED) && ((defined(_DEBUG)) || (!defined(NDEBUG)))) +#if (!defined(ELPP_DISABLE_INFO_LOGS) && (ELPP_LOGGING_ENABLED)) +# define ELPP_INFO_LOG 1 +#else +# define ELPP_INFO_LOG 0 +#endif // (!defined(ELPP_DISABLE_INFO_LOGS) && (ELPP_LOGGING_ENABLED)) +#if (!defined(ELPP_DISABLE_WARNING_LOGS) && (ELPP_LOGGING_ENABLED)) +# define ELPP_WARNING_LOG 1 +#else +# define ELPP_WARNING_LOG 0 +#endif // (!defined(ELPP_DISABLE_WARNING_LOGS) && (ELPP_LOGGING_ENABLED)) +#if (!defined(ELPP_DISABLE_ERROR_LOGS) && (ELPP_LOGGING_ENABLED)) +# define ELPP_ERROR_LOG 1 +#else +# define ELPP_ERROR_LOG 0 +#endif // (!defined(ELPP_DISABLE_ERROR_LOGS) && (ELPP_LOGGING_ENABLED)) +#if (!defined(ELPP_DISABLE_FATAL_LOGS) && (ELPP_LOGGING_ENABLED)) +# define ELPP_FATAL_LOG 1 +#else +# define ELPP_FATAL_LOG 0 +#endif // (!defined(ELPP_DISABLE_FATAL_LOGS) && (ELPP_LOGGING_ENABLED)) +#if (!defined(ELPP_DISABLE_TRACE_LOGS) && (ELPP_LOGGING_ENABLED)) +# define ELPP_TRACE_LOG 1 +#else +# define ELPP_TRACE_LOG 0 +#endif // (!defined(ELPP_DISABLE_TRACE_LOGS) && (ELPP_LOGGING_ENABLED)) +#if (!defined(ELPP_DISABLE_VERBOSE_LOGS) && (ELPP_LOGGING_ENABLED)) +# define ELPP_VERBOSE_LOG 1 +#else +# define ELPP_VERBOSE_LOG 0 +#endif // (!defined(ELPP_DISABLE_VERBOSE_LOGS) && (ELPP_LOGGING_ENABLED)) +#if (!(ELPP_CXX0X || ELPP_CXX11)) +# error "Easylogging++ 9.0+ is only compatible with C++0x (or higher) compliant compiler" +#endif // (!(ELPP_CXX0X || ELPP_CXX11)) +// Headers +#if defined(ELPP_SYSLOG) +# include +#endif // defined(ELPP_SYSLOG) +#include +#include +#include +#include +#include +#include +#include +#include +#if defined(ELPP_UNICODE) +# include +# if ELPP_OS_WINDOWS +# include +# endif // ELPP_OS_WINDOWS +#endif // defined(ELPP_UNICODE) +#if ELPP_STACKTRACE +# include +# include +#endif // ELPP_STACKTRACE +#if ELPP_OS_ANDROID +# include +#endif // ELPP_OS_ANDROID +#if ELPP_OS_UNIX +# include +# include +#elif ELPP_OS_WINDOWS +# include +# include +# if defined(WIN32_LEAN_AND_MEAN) +# if defined(ELPP_WINSOCK2) +# include +# else +# include +# endif // defined(ELPP_WINSOCK2) +# endif // defined(WIN32_LEAN_AND_MEAN) +#endif // ELPP_OS_UNIX +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#if ELPP_THREADING_ENABLED +# if ELPP_USE_STD_THREADING +# include +# include +# else +# if ELPP_OS_UNIX +# include +# endif // ELPP_OS_UNIX +# endif // ELPP_USE_STD_THREADING +#endif // ELPP_THREADING_ENABLED +#if ELPP_ASYNC_LOGGING +# if defined(ELPP_NO_SLEEP_FOR) +# include +# endif // defined(ELPP_NO_SLEEP_FOR) +# include +# include +# include +#endif // ELPP_ASYNC_LOGGING +#if defined(ELPP_STL_LOGGING) +// For logging STL based templates +# include +# include +# include +# include +# include +# include +# if defined(ELPP_LOG_STD_ARRAY) +# include +# endif // defined(ELPP_LOG_STD_ARRAY) +# if defined(ELPP_LOG_UNORDERED_MAP) +# include +# endif // defined(ELPP_LOG_UNORDERED_MAP) +# if defined(ELPP_LOG_UNORDERED_SET) +# include +# endif // defined(ELPP_UNORDERED_SET) +#endif // defined(ELPP_STL_LOGGING) +#if defined(ELPP_QT_LOGGING) +// For logging Qt based classes & templates +# include +# include +# include +# include +# include +# include +# include +# include +# include +# include +# include +# include +#endif // defined(ELPP_QT_LOGGING) +#if defined(ELPP_BOOST_LOGGING) +// For logging boost based classes & templates +# include +# include +# include +# include +# include +# include +# include +# include +#endif // defined(ELPP_BOOST_LOGGING) +#if defined(ELPP_WXWIDGETS_LOGGING) +// For logging wxWidgets based classes & templates +# include +#endif // defined(ELPP_WXWIDGETS_LOGGING) +// Forward declarations +namespace el { + class Logger; + class LogMessage; + class PerformanceTrackingData; + class Loggers; + class Helpers; + template class Callback; + class LogDispatchCallback; + class PerformanceTrackingCallback; + class LogDispatchData; + namespace base { + class Storage; + class RegisteredLoggers; + class PerformanceTracker; + class MessageBuilder; + class Writer; + class PErrorWriter; + class LogDispatcher; + class DefaultLogBuilder; + class DefaultLogDispatchCallback; +#if ELPP_ASYNC_LOGGING + class AsyncLogDispatchCallback; + class AsyncDispatchWorker; +#endif // ELPP_ASYNC_LOGGING + class DefaultPerformanceTrackingCallback; + } // namespace base +} // namespace el +/// @brief Easylogging++ entry namespace +namespace el { + /// @brief Namespace containing base/internal functionality used by Easylogging++ + namespace base { + /// @brief Data types used by Easylogging++ + namespace type { +#undef ELPP_LITERAL +#undef ELPP_STRLEN +#undef ELPP_COUT +#if defined(ELPP_UNICODE) +# define ELPP_LITERAL(txt) L##txt +# define ELPP_STRLEN wcslen +# if defined ELPP_CUSTOM_COUT +# define ELPP_COUT ELPP_CUSTOM_COUT +# else +# define ELPP_COUT std::wcout +# endif // defined ELPP_CUSTOM_COUT + typedef wchar_t char_t; + typedef std::wstring string_t; + typedef std::wstringstream stringstream_t; + typedef std::wfstream fstream_t; + typedef std::wostream ostream_t; +#else +# define ELPP_LITERAL(txt) txt +# define ELPP_STRLEN strlen +# if defined ELPP_CUSTOM_COUT +# define ELPP_COUT ELPP_CUSTOM_COUT +# else +# define ELPP_COUT std::cout +# endif // defined ELPP_CUSTOM_COUT + typedef char char_t; + typedef std::string string_t; + typedef std::stringstream stringstream_t; + typedef std::fstream fstream_t; + typedef std::ostream ostream_t; +#endif // defined(ELPP_UNICODE) +#if defined(ELPP_CUSTOM_COUT_LINE) +# define ELPP_COUT_LINE(logLine) ELPP_CUSTOM_COUT_LINE(logLine) +#else +# define ELPP_COUT_LINE(logLine) logLine << std::flush +#endif // defined(ELPP_CUSTOM_COUT_LINE) + typedef unsigned short EnumType; + typedef std::shared_ptr StoragePointer; + typedef int VerboseLevel; + typedef std::shared_ptr LogDispatchCallbackPtr; + typedef std::shared_ptr PerformanceTrackingCallbackPtr; + } // namespace type + /// @brief Internal helper class that prevent copy constructor for class + /// + /// @detail When using this class simply inherit it privately + class NoCopy { + protected: + NoCopy(void) {} + private: + NoCopy(const NoCopy&); + NoCopy& operator=(const NoCopy&); + }; + /// @brief Internal helper class that makes all default constructors private. + /// + /// @detail This prevents initializing class making it static unless an explicit constructor is declared. + /// When using this class simply inherit it privately + class StaticClass { + private: + StaticClass(void); + StaticClass(const StaticClass&); + StaticClass& operator=(const StaticClass&); + }; + } // namespace base + /// @brief Represents enumeration for severity level used to determine level of logging + /// + /// @detail With Easylogging++, developers may disable or enable any level regardless of + /// what the severity is. Or they can choose to log using hierarchical logging flag + enum class Level : base::type::EnumType { + /// @brief Generic level that represents all the levels. Useful when setting global configuration for all levels + Global = 1, + /// @brief Information that can be useful to back-trace certain events - mostly useful than debug logs. + Trace = 2, + /// @brief Informational events most useful for developers to debug application + Debug = 4, + /// @brief Severe error information that will presumably abort application + Fatal = 8, + /// @brief Information representing errors in application but application will keep running + Error = 16, + /// @brief Useful when application has potentially harmful situtaions + Warning = 32, + /// @brief Information that can be highly useful and vary with verbose logging level. + Verbose = 64, + /// @brief Mainly useful to represent current progress of application + Info = 128, + /// @brief Represents unknown level + Unknown = 1010 + }; + /// @brief Static class that contains helper functions for el::Level + class LevelHelper : base::StaticClass { + public: + /// @brief Represents minimum valid level. Useful when iterating through enum. + static const base::type::EnumType kMinValid = static_cast(Level::Trace); + /// @brief Represents maximum valid level. This is used internally and you should not need it. + static const base::type::EnumType kMaxValid = static_cast(Level::Info); + /// @brief Casts level to int, useful for iterating through enum. + static base::type::EnumType castToInt(Level level) { + return static_cast(level); + } + /// @brief Casts int(ushort) to level, useful for iterating through enum. + static Level castFromInt(base::type::EnumType l) { + return static_cast(l); + } + /// @brief Converts level to associated const char* + /// @return Upper case string based level. + static const char* convertToString(Level level) { + // Do not use switch over strongly typed enums because Intel C++ compilers dont support them yet. + if (level == Level::Global) return "GLOBAL"; + if (level == Level::Debug) return "DEBUG"; + if (level == Level::Info) return "INFO"; + if (level == Level::Warning) return "WARNING"; + if (level == Level::Error) return "ERROR"; + if (level == Level::Fatal) return "FATAL"; + if (level == Level::Verbose) return "VERBOSE"; + if (level == Level::Trace) return "TRACE"; + return "UNKNOWN"; + } + /// @brief Converts from levelStr to Level + /// @param levelStr Upper case string based level. + /// Lower case is also valid but providing upper case is recommended. + static Level convertFromString(const char* levelStr) { + if ((strcmp(levelStr, "GLOBAL") == 0) || (strcmp(levelStr, "global") == 0)) + return Level::Global; + if ((strcmp(levelStr, "DEBUG") == 0) || (strcmp(levelStr, "debug") == 0)) + return Level::Debug; + if ((strcmp(levelStr, "INFO") == 0) || (strcmp(levelStr, "info") == 0)) + return Level::Info; + if ((strcmp(levelStr, "WARNING") == 0) || (strcmp(levelStr, "warning") == 0)) + return Level::Warning; + if ((strcmp(levelStr, "ERROR") == 0) || (strcmp(levelStr, "error") == 0)) + return Level::Error; + if ((strcmp(levelStr, "FATAL") == 0) || (strcmp(levelStr, "fatal") == 0)) + return Level::Fatal; + if ((strcmp(levelStr, "VERBOSE") == 0) || (strcmp(levelStr, "verbose") == 0)) + return Level::Verbose; + if ((strcmp(levelStr, "TRACE") == 0) || (strcmp(levelStr, "trace") == 0)) + return Level::Trace; + return Level::Unknown; + } + /// @brief Applies specified function to each level starting from startIndex + /// @param startIndex initial value to start the iteration from. This is passed as pointer and + /// is left-shifted so this can be used inside function (fn) to represent current level. + /// @param fn function to apply with each level. This bool represent whether or not to stop iterating through levels. + static inline void forEachLevel(base::type::EnumType* startIndex, const std::function& fn) { + base::type::EnumType lIndexMax = LevelHelper::kMaxValid; + do { + if (fn()) { + break; + } + *startIndex = static_cast(*startIndex << 1); + } while (*startIndex <= lIndexMax); + } + }; + /// @brief Represents enumeration of ConfigurationType used to configure or access certain aspect + /// of logging + enum class ConfigurationType : base::type::EnumType { + /// @brief Determines whether or not corresponding level and logger of logging is enabled + /// You may disable all logs by using el::Level::Global + Enabled = 1, + /// @brief Whether or not to write corresponding log to log file + ToFile = 2, + /// @brief Whether or not to write corresponding level and logger log to standard output. + /// By standard output meaning termnal, command prompt etc + ToStandardOutput = 4, + /// @brief Determines format of logging corresponding level and logger. + Format = 8, + /// @brief Determines log file (full path) to write logs to for correponding level and logger + Filename = 16, + /// @brief Specifies milliseconds width. Width can be within range (1-6) + MillisecondsWidth = 32, + /// @brief Determines whether or not performance tracking is enabled. + /// + /// @detail This does not depend on logger or level. Performance tracking always uses 'performance' logger + PerformanceTracking = 64, + /// @brief Specifies log file max size. + /// + /// @detail If file size of corresponding log file (for corresponding level) is >= specified size, log file will + /// be truncated and re-initiated. + MaxLogFileSize = 128, + /// @brief Specifies number of log entries to hold until we flush pending log data + LogFlushThreshold = 256, + /// @brief Represents unknown configuration + Unknown = 1010 + }; + /// @brief Static class that contains helper functions for el::ConfigurationType + class ConfigurationTypeHelper : base::StaticClass { + public: + /// @brief Represents minimum valid configuration type. Useful when iterating through enum. + static const base::type::EnumType kMinValid = static_cast(ConfigurationType::Enabled); + /// @brief Represents maximum valid configuration type. This is used internally and you should not need it. + static const base::type::EnumType kMaxValid = static_cast(ConfigurationType::MaxLogFileSize); + /// @brief Casts configuration type to int, useful for iterating through enum. + static base::type::EnumType castToInt(ConfigurationType configurationType) { + return static_cast(configurationType); + } + /// @brief Casts int(ushort) to configurationt type, useful for iterating through enum. + static ConfigurationType castFromInt(base::type::EnumType c) { + return static_cast(c); + } + /// @brief Converts configuration type to associated const char* + /// @returns Upper case string based configuration type. + static const char* convertToString(ConfigurationType configurationType) { + // Do not use switch over strongly typed enums because Intel C++ compilers dont support them yet. + if (configurationType == ConfigurationType::Enabled) return "ENABLED"; + if (configurationType == ConfigurationType::Filename) return "FILENAME"; + if (configurationType == ConfigurationType::Format) return "FORMAT"; + if (configurationType == ConfigurationType::ToFile) return "TO_FILE"; + if (configurationType == ConfigurationType::ToStandardOutput) return "TO_STANDARD_OUTPUT"; + if (configurationType == ConfigurationType::MillisecondsWidth) return "MILLISECONDS_WIDTH"; + if (configurationType == ConfigurationType::PerformanceTracking) return "PERFORMANCE_TRACKING"; + if (configurationType == ConfigurationType::MaxLogFileSize) return "MAX_LOG_FILE_SIZE"; + if (configurationType == ConfigurationType::LogFlushThreshold) return "LOG_FLUSH_THRESHOLD"; + return "UNKNOWN"; + } + /// @brief Converts from configStr to ConfigurationType + /// @param configStr Upper case string based configuration type. + /// Lower case is also valid but providing upper case is recommended. + static ConfigurationType convertFromString(const char* configStr) { + if ((strcmp(configStr, "ENABLED") == 0) || (strcmp(configStr, "enabled") == 0)) + return ConfigurationType::Enabled; + if ((strcmp(configStr, "TO_FILE") == 0) || (strcmp(configStr, "to_file") == 0)) + return ConfigurationType::ToFile; + if ((strcmp(configStr, "TO_STANDARD_OUTPUT") == 0) || (strcmp(configStr, "to_standard_output") == 0)) + return ConfigurationType::ToStandardOutput; + if ((strcmp(configStr, "FORMAT") == 0) || (strcmp(configStr, "format") == 0)) + return ConfigurationType::Format; + if ((strcmp(configStr, "FILENAME") == 0) || (strcmp(configStr, "filename") == 0)) + return ConfigurationType::Filename; + if ((strcmp(configStr, "MILLISECONDS_WIDTH") == 0) || (strcmp(configStr, "milliseconds_width") == 0)) + return ConfigurationType::MillisecondsWidth; + if ((strcmp(configStr, "PERFORMANCE_TRACKING") == 0) || (strcmp(configStr, "performance_tracking") == 0)) + return ConfigurationType::PerformanceTracking; + if ((strcmp(configStr, "MAX_LOG_FILE_SIZE") == 0) || (strcmp(configStr, "max_log_file_size") == 0)) + return ConfigurationType::MaxLogFileSize; + if ((strcmp(configStr, "LOG_FLUSH_THRESHOLD") == 0) || (strcmp(configStr, "log_flush_threshold") == 0)) + return ConfigurationType::LogFlushThreshold; + return ConfigurationType::Unknown; + } + /// @brief Applies specified function to each configuration type starting from startIndex + /// @param startIndex initial value to start the iteration from. This is passed by pointer and is left-shifted + /// so this can be used inside function (fn) to represent current configuration type. + /// @param fn function to apply with each configuration type. + /// This bool represent whether or not to stop iterating through configurations. + static inline void forEachConfigType(base::type::EnumType* startIndex, const std::function& fn) { + base::type::EnumType cIndexMax = ConfigurationTypeHelper::kMaxValid; + do { + if (fn()) { + break; + } + *startIndex = static_cast(*startIndex << 1); + } while (*startIndex <= cIndexMax); + } + }; + /// @brief Flags used while writing logs. This flags are set by user + enum class LoggingFlag : base::type::EnumType { + /// @brief Makes sure we have new line for each container log entry + NewLineForContainer = 1, + /// @brief Makes sure if -vmodule is used and does not specifies a module, then verbose + /// logging is allowed via that module. + AllowVerboseIfModuleNotSpecified = 2, + /// @brief When handling crashes by default, detailed crash reason will be logged as well + LogDetailedCrashReason = 4, + /// @brief Allows to disable application abortion when logged using FATAL level + DisableApplicationAbortOnFatalLog = 8, + /// @brief Flushes log with every log-entry (performance sensative) - Disabled by default + ImmediateFlush = 16, + /// @brief Enables strict file rolling + StrictLogFileSizeCheck = 32, + /// @brief Make terminal output colorful for supported terminals + ColoredTerminalOutput = 64, + /// @brief Supports use of multiple logging in same macro, e.g, CLOG(INFO, "default", "network") + MultiLoggerSupport = 128, + /// @brief Disables comparing performance tracker's checkpoints + DisablePerformanceTrackingCheckpointComparison = 256, + /// @brief Disable VModules + DisableVModules = 512, + /// @brief Disable VModules extensions + DisableVModulesExtensions = 1024, + /// @brief Enables hierarchical logging + HierarchicalLogging = 2048, + /// @brief Creates logger automatically when not available + CreateLoggerAutomatically = 4096, + /// @brief Adds spaces b/w logs that separated by left-shift operator + AutoSpacing = 8192, + /// @brief Preserves time format and does not convert it to sec, hour etc (performance tracking only) + FixedTimeFormat = 16384 + }; + namespace base { + /// @brief Namespace containing constants used internally. + namespace consts { + // Level log values - These are values that are replaced in place of %level format specifier + static const base::type::char_t* kInfoLevelLogValue = ELPP_LITERAL("INFO "); + static const base::type::char_t* kDebugLevelLogValue = ELPP_LITERAL("DEBUG"); + static const base::type::char_t* kWarningLevelLogValue = ELPP_LITERAL("WARN "); + static const base::type::char_t* kErrorLevelLogValue = ELPP_LITERAL("ERROR"); + static const base::type::char_t* kFatalLevelLogValue = ELPP_LITERAL("FATAL"); + static const base::type::char_t* kVerboseLevelLogValue = ELPP_LITERAL("VER"); + static const base::type::char_t* kTraceLevelLogValue = ELPP_LITERAL("TRACE"); + static const base::type::char_t* kInfoLevelShortLogValue = ELPP_LITERAL("I"); + static const base::type::char_t* kDebugLevelShortLogValue = ELPP_LITERAL("D"); + static const base::type::char_t* kWarningLevelShortLogValue = ELPP_LITERAL("W"); + static const base::type::char_t* kErrorLevelShortLogValue = ELPP_LITERAL("E"); + static const base::type::char_t* kFatalLevelShortLogValue = ELPP_LITERAL("F"); + static const base::type::char_t* kVerboseLevelShortLogValue = ELPP_LITERAL("V"); + static const base::type::char_t* kTraceLevelShortLogValue = ELPP_LITERAL("T"); + // Format specifiers - These are used to define log format + static const base::type::char_t* kAppNameFormatSpecifier = ELPP_LITERAL("%app"); + static const base::type::char_t* kLoggerIdFormatSpecifier = ELPP_LITERAL("%logger"); + static const base::type::char_t* kThreadIdFormatSpecifier = ELPP_LITERAL("%thread"); + static const base::type::char_t* kSeverityLevelFormatSpecifier = ELPP_LITERAL("%level"); + static const base::type::char_t* kSeverityLevelShortFormatSpecifier = ELPP_LITERAL("%levshort"); + static const base::type::char_t* kDateTimeFormatSpecifier = ELPP_LITERAL("%datetime"); + static const base::type::char_t* kLogFileFormatSpecifier = ELPP_LITERAL("%file"); + static const base::type::char_t* kLogFileBaseFormatSpecifier = ELPP_LITERAL("%fbase"); + static const base::type::char_t* kLogLineFormatSpecifier = ELPP_LITERAL("%line"); + static const base::type::char_t* kLogLocationFormatSpecifier = ELPP_LITERAL("%loc"); + static const base::type::char_t* kLogFunctionFormatSpecifier = ELPP_LITERAL("%func"); + static const base::type::char_t* kCurrentUserFormatSpecifier = ELPP_LITERAL("%user"); + static const base::type::char_t* kCurrentHostFormatSpecifier = ELPP_LITERAL("%host"); + static const base::type::char_t* kMessageFormatSpecifier = ELPP_LITERAL("%msg"); + static const base::type::char_t* kVerboseLevelFormatSpecifier = ELPP_LITERAL("%vlevel"); + static const char* kDateTimeFormatSpecifierForFilename = "%datetime"; + // Date/time + static const char* kDays[7] = { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" }; + static const char* kDaysAbbrev[7] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }; + static const char* kMonths[12] = { "January", "February", "March", "Apri", "May", "June", "July", "August", + "September", "October", "November", "December" }; + static const char* kMonthsAbbrev[12] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; + static const char* kDefaultDateTimeFormat = "%Y-%M-%d %H:%m:%s,%g"; + static const char* kDefaultDateTimeFormatInFilename = "%Y-%M-%d_%H-%m"; + static const int kYearBase = 1900; + static const char* kAm = "AM"; + static const char* kPm = "PM"; + // Miscellaneous constants + static const char* kDefaultLoggerId = "default"; + static const char* kPerformanceLoggerId = "performance"; +#if defined(ELPP_SYSLOG) + static const char* kSysLogLoggerId = "syslog"; +#endif // defined(ELPP_SYSLOG) + static const char* kNullPointer = "nullptr"; + static const char kFormatSpecifierChar = '%'; +#if ELPP_VARIADIC_TEMPLATES_SUPPORTED + static const char kFormatSpecifierCharValue = 'v'; +#endif // ELPP_VARIADIC_TEMPLATES_SUPPORTED + static const unsigned int kMaxLogPerContainer = 100; + static const unsigned int kMaxLogPerCounter = 100000; + static const unsigned int kDefaultMillisecondsWidth = 3; + static const base::type::VerboseLevel kMaxVerboseLevel = 9; + static const char* kUnknownUser = "user"; + static const char* kUnknownHost = "unknown-host"; +#if defined(ELPP_DEFAULT_LOG_FILE) + static const char* kDefaultLogFile = ELPP_DEFAULT_LOG_FILE; +#else +# if ELPP_OS_UNIX +# if ELPP_OS_ANDROID + static const char* kDefaultLogFile = "logs/myeasylog.log"; +# else + static const char* kDefaultLogFile = "logs/myeasylog.log"; +# endif // ELPP_OS_ANDROID +# elif ELPP_OS_WINDOWS + static const char* kDefaultLogFile = "logs\\myeasylog.log"; +# endif // ELPP_OS_UNIX +#endif // defined(ELPP_DEFAULT_LOG_FILE) +#if !defined(ELPP_DISABLE_LOG_FILE_FROM_ARG) + static const char* kDefaultLogFileParam = "--default-log-file"; +#endif // !defined(ELPP_DISABLE_LOG_FILE_FROM_ARG) +#if defined(ELPP_LOGGING_FLAGS_FROM_ARG) + static const char* kLoggingFlagsParam = "--logging-flags"; +#endif // defined(ELPP_LOGGING_FLAGS_FROM_ARG) +#if ELPP_OS_WINDOWS + static const char* kFilePathSeperator = "\\"; +#else + static const char* kFilePathSeperator = "/"; +#endif // ELPP_OS_WINDOWS + static const char* kValidLoggerIdSymbols = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-._"; + static const char* kConfigurationComment = "##"; + static const char* kConfigurationLevel = "*"; + static const char* kConfigurationLoggerId = "--"; + static const std::size_t kSourceFilenameMaxLength = 100; + static const std::size_t kSourceLineMaxLength = 10; + static const Level kPerformanceTrackerDefaultLevel = Level::Info; + const struct { + double value; + const base::type::char_t* unit; + } kTimeFormats[] = { + { 1000.0f, ELPP_LITERAL("mis") }, + { 1000.0f, ELPP_LITERAL("ms") }, + { 60.0f, ELPP_LITERAL("seconds") }, + { 60.0f, ELPP_LITERAL("minutes") }, + { 24.0f, ELPP_LITERAL("hours") }, + { 7.0f, ELPP_LITERAL("days") } + }; + static const int kTimeFormatsCount = sizeof(kTimeFormats) / sizeof(kTimeFormats[0]); + const struct { + int numb; + const char* name; + const char* brief; + const char* detail; + } kCrashSignals[] = { + // NOTE: Do not re-order, if you do please check CrashHandler(bool) constructor and CrashHandler::setHandler(..) + { SIGABRT, "SIGABRT", "Abnormal termination", + "Program was abnormally terminated." }, + { SIGFPE, "SIGFPE", "Erroneous arithmetic operation", + "Arithemetic operation issue such as division by zero or operation resulting in overflow." }, + { SIGILL, "SIGILL", "Illegal instruction", + "Generally due to a corruption in the code or to an attempt to execute data."}, + { SIGSEGV, "SIGSEGV", "Invalid access to memory", + "Program is trying to read an invalid (unallocated, deleted or corrupted) or inaccessible memory." }, + { SIGINT, "SIGINT", "Interactive attention signal", + "Interruption generated (generally) by user or operating system." }, + }; + static const int kCrashSignalsCount = sizeof(kCrashSignals) / sizeof(kCrashSignals[0]); + } // namespace consts + } // namespace base + typedef std::function PreRollOutCallback; + namespace base { + static inline void defaultPreRollOutCallback(const char*, std::size_t) {} + /// @brief Enum to represent timestamp unit + enum class TimestampUnit : base::type::EnumType { + Microsecond = 0, Millisecond = 1, Second = 2, Minute = 3, Hour = 4, Day = 5 + }; + /// @brief Format flags used to determine specifiers that are active for performance improvements. + enum class FormatFlags : base::type::EnumType { + DateTime = 1<<1, LoggerId = 1<<2, File = 1<<3, Line = 1<<4, Location = 1<<5, Function = 1<<6, + User = 1<<7, Host = 1<<8, LogMessage = 1<<9, VerboseLevel = 1<<10, AppName = 1<<11, ThreadId = 1<<12, + Level = 1<<13, FileBase = 1<<14, LevelShort = 1<<15 + }; + /// @brief A milliseconds width class containing actual width and offset for date/time + class MillisecondsWidth { + public: + MillisecondsWidth(void) { init(base::consts::kDefaultMillisecondsWidth); } + explicit MillisecondsWidth(int width) { init(width); } + bool operator==(const MillisecondsWidth& msWidth) { return m_width == msWidth.m_width && m_offset == msWidth.m_offset; } + int m_width; unsigned int m_offset; + private: + void init(int width) { + if (width < 1 || width > 6) { + width = base::consts::kDefaultMillisecondsWidth; + } + m_width = width; + switch (m_width) { + case 3: m_offset = 1000; break; + case 4: m_offset = 100; break; + case 5: m_offset = 10; break; + case 6: m_offset = 1; break; + default: m_offset = 1000; break; + } + } + }; + /// @brief Namespace containing utility functions/static classes used internally + namespace utils { + /// @brief Deletes memory safely and points to null + template + static inline + typename std::enable_if::value, void>::type + safeDelete(T*& pointer) { + if (pointer == nullptr) + return; + delete pointer; + pointer = nullptr; + } + /// @brief Gets value of const char* but if it is nullptr, a string nullptr is returned + static inline const char* charPtrVal(const char* pointer) { + return pointer == nullptr ? base::consts::kNullPointer : pointer; + } + /// @brief Aborts application due with user-defined status + static inline void abort(int status, const std::string& reason = std::string()) { + // Both status and reason params are there for debugging with tools like gdb etc + ELPP_UNUSED(status); + ELPP_UNUSED(reason); +#if defined(ELPP_COMPILER_MSVC) && defined(_M_IX86) && defined(_DEBUG) + // Ignore msvc critical error dialog - break instead (on debug mode) + _asm int 3 +#else + ::abort(); +#endif // defined(ELPP_COMPILER_MSVC) && defined(_M_IX86) && defined(_DEBUG) + } + /// @brief Bitwise operations for C++11 strong enum class. This casts e into Flag_T and returns value after bitwise operation + /// Use these function as 
flag = bitwise::Or(MyEnum::val1, flag);
+ namespace bitwise { + template + static inline base::type::EnumType And(Enum e, base::type::EnumType flag) { + return static_cast(flag) & static_cast(e); + } + template + static inline base::type::EnumType Not(Enum e, base::type::EnumType flag) { + return static_cast(flag) & ~(static_cast(e)); + } + template + static inline base::type::EnumType Or(Enum e, base::type::EnumType flag) { + return static_cast(flag) | static_cast(e); + } + } // namespace bitwise + template + static inline void addFlag(Enum e, base::type::EnumType* flag) { + *flag = base::utils::bitwise::Or(e, *flag); + } + template + static inline void removeFlag(Enum e, base::type::EnumType* flag) { + *flag = base::utils::bitwise::Not(e, *flag); + } + template + static inline bool hasFlag(Enum e, base::type::EnumType flag) { + return base::utils::bitwise::And(e, flag) > 0x0; + } + } // namespace utils + namespace threading { +#if ELPP_THREADING_ENABLED +# if !ELPP_USE_STD_THREADING + namespace internal { + /// @brief A mutex wrapper for compiler that dont yet support std::mutex + class Mutex : base::NoCopy { + public: + Mutex(void) { +# if ELPP_OS_UNIX + pthread_mutex_init(&m_underlyingMutex, nullptr); +# elif ELPP_OS_WINDOWS + InitializeCriticalSection(&m_underlyingMutex); +# endif // ELPP_OS_UNIX + } + + virtual ~Mutex(void) { +# if ELPP_OS_UNIX + pthread_mutex_destroy(&m_underlyingMutex); +# elif ELPP_OS_WINDOWS + DeleteCriticalSection(&m_underlyingMutex); +# endif // ELPP_OS_UNIX + } + + inline void lock(void) { +# if ELPP_OS_UNIX + pthread_mutex_lock(&m_underlyingMutex); +# elif ELPP_OS_WINDOWS + EnterCriticalSection(&m_underlyingMutex); +# endif // ELPP_OS_UNIX + } + + inline bool try_lock(void) { +# if ELPP_OS_UNIX + return (pthread_mutex_trylock(&m_underlyingMutex) == 0); +# elif ELPP_OS_WINDOWS + return TryEnterCriticalSection(&m_underlyingMutex); +# endif // ELPP_OS_UNIX + } + + inline void unlock(void) { +# if ELPP_OS_UNIX + pthread_mutex_unlock(&m_underlyingMutex); +# elif ELPP_OS_WINDOWS + LeaveCriticalSection(&m_underlyingMutex); +# endif // ELPP_OS_UNIX + } + + private: +# if ELPP_OS_UNIX + pthread_mutex_t m_underlyingMutex; +# elif ELPP_OS_WINDOWS + CRITICAL_SECTION m_underlyingMutex; +# endif // ELPP_OS_UNIX + }; + /// @brief Scoped lock for compiler that dont yet support std::lock_guard + template + class ScopedLock : base::NoCopy { + public: + explicit ScopedLock(M& mutex) { + m_mutex = &mutex; + m_mutex->lock(); + } + + virtual ~ScopedLock(void) { + m_mutex->unlock(); + } + private: + M* m_mutex; + ScopedLock(void); + }; + } // namespace internal + /// @brief Gets ID of currently running threading in windows systems. On unix, nothing is returned. + static inline std::string getCurrentThreadId(void) { + std::stringstream ss; +# if (ELPP_OS_WINDOWS) + ss << GetCurrentThreadId(); +# endif // (ELPP_OS_WINDOWS) + return ss.str(); + } + static inline void msleep(int) { + // No implementation for non std::thread version + } + typedef base::threading::internal::Mutex Mutex; + typedef base::threading::internal::ScopedLock ScopedLock; +# else + /// @brief Gets ID of currently running threading using std::this_thread::get_id() + static inline std::string getCurrentThreadId(void) { + std::stringstream ss; + ss << std::this_thread::get_id(); + return ss.str(); + } + static inline void msleep(int ms) { + // Only when async logging enabled - this is because async is strict on compiler +# if ELPP_ASYNC_LOGGING +# if defined(ELPP_NO_SLEEP_FOR) + usleep(ms * 1000); +# else + std::this_thread::sleep_for(std::chrono::milliseconds(ms)); +# endif // defined(ELPP_NO_SLEEP_FOR) +# else + ELPP_UNUSED(ms); +# endif // ELPP_ASYNC_LOGGING + } + typedef std::mutex Mutex; + typedef std::lock_guard ScopedLock; +# endif // !ELPP_USE_STD_THREADING +#else + namespace internal { + /// @brief Mutex wrapper used when multi-threading is disabled. + class NoMutex : base::NoCopy { + public: + NoMutex(void) {} + inline void lock(void) {} + inline bool try_lock(void) { return true; } + inline void unlock(void) {} + }; + /// @brief Lock guard wrapper used when multi-threading is disabled. + template + class NoScopedLock : base::NoCopy { + public: + explicit NoScopedLock(Mutex&) { + } + virtual ~NoScopedLock(void) { + } + private: + NoScopedLock(void); + }; + } // namespace internal + static inline std::string getCurrentThreadId(void) { + return std::string(); + } + static inline void msleep(int) { + // No custom implementation + } + typedef base::threading::internal::NoMutex Mutex; + typedef base::threading::internal::NoScopedLock ScopedLock; +#endif // ELPP_THREADING_ENABLED + /// @brief Base of thread safe class, this class is inheritable-only + class ThreadSafe { + public: + virtual inline void acquireLock(void) ELPP_FINAL { m_mutex.lock(); } + virtual inline void releaseLock(void) ELPP_FINAL { m_mutex.unlock(); } + virtual inline base::threading::Mutex& lock(void) ELPP_FINAL { return m_mutex; } + protected: + ThreadSafe(void) {} + virtual ~ThreadSafe(void) {} + private: + base::threading::Mutex m_mutex; + }; + } // namespace threading + namespace utils { + class File : base::StaticClass { + public: + /// @brief Creates new out file stream for specified filename. + /// @return Pointer to newly created fstream or nullptr + static base::type::fstream_t* newFileStream(const std::string& filename) { + base::type::fstream_t *fs = new base::type::fstream_t(filename.c_str(), + base::type::fstream_t::out +#if !defined(ELPP_FRESH_LOG_FILE) + | base::type::fstream_t::app +#endif + ); +#if defined(ELPP_UNICODE) + std::locale elppUnicodeLocale(""); +# if ELPP_OS_WINDOWS + std::locale elppUnicodeLocaleWindows(elppUnicodeLocale, new std::codecvt_utf8_utf16); + elppUnicodeLocale = elppUnicodeLocaleWindows; +# endif // ELPP_OS_WINDOWS + fs->imbue(elppUnicodeLocale); +#endif // defined(ELPP_UNICODE) + if (fs->is_open()) { + fs->flush(); + } else { + base::utils::safeDelete(fs); + ELPP_INTERNAL_ERROR("Bad file [" << filename << "]", true); + } + return fs; + } + + /// @brief Gets size of file provided in stream + static std::size_t getSizeOfFile(base::type::fstream_t* fs) { + if (fs == nullptr) { + return 0; + } + std::streampos currPos = fs->tellg(); + fs->seekg(0, fs->end); + std::size_t size = static_cast(fs->tellg()); + fs->seekg(currPos); + return size; + } + + /// @brief Determines whether or not provided path exist in current file system + static inline bool pathExists(const char* path, bool considerFile = false) { + if (path == nullptr) { + return false; + } +#if ELPP_OS_UNIX + ELPP_UNUSED(considerFile); + struct stat st; + return (stat(path, &st) == 0); +#elif ELPP_OS_WINDOWS + DWORD fileType = GetFileAttributesA(path); + if (fileType == INVALID_FILE_ATTRIBUTES) { + return false; + } + return considerFile ? true : ((fileType & FILE_ATTRIBUTE_DIRECTORY) == 0 ? false : true); +#endif // ELPP_OS_UNIX + } + + /// @brief Creates specified path on file system + /// @param path Path to create. + static bool createPath(const std::string& path) { + if (path.empty()) { + return false; + } + if (base::utils::File::pathExists(path.c_str())) { + return true; + } + int status = -1; + + char* currPath = const_cast(path.c_str()); + std::string builtPath = std::string(); +#if ELPP_OS_UNIX + if (path[0] == '/') { + builtPath = "/"; + } + currPath = STRTOK(currPath, base::consts::kFilePathSeperator, 0); +#elif ELPP_OS_WINDOWS + // Use secure functions API + char* nextTok_ = nullptr; + currPath = STRTOK(currPath, base::consts::kFilePathSeperator, &nextTok_); + ELPP_UNUSED(nextTok_); +#endif // ELPP_OS_UNIX + while (currPath != nullptr) { + builtPath.append(currPath); + builtPath.append(base::consts::kFilePathSeperator); +#if ELPP_OS_UNIX + status = mkdir(builtPath.c_str(), ELPP_LOG_PERMS); + currPath = STRTOK(nullptr, base::consts::kFilePathSeperator, 0); +#elif ELPP_OS_WINDOWS + status = _mkdir(builtPath.c_str()); + currPath = STRTOK(nullptr, base::consts::kFilePathSeperator, &nextTok_); +#endif // ELPP_OS_UNIX + } + if (status == -1) { + ELPP_INTERNAL_ERROR("Error while creating path [" << path << "]", true); + return false; + } + return true; + } + /// @brief Extracts path of filename with leading slash + static std::string extractPathFromFilename(const std::string& fullPath, + const char* seperator = base::consts::kFilePathSeperator) { + if ((fullPath == "") || (fullPath.find(seperator) == std::string::npos)) { + return fullPath; + } + std::size_t lastSlashAt = fullPath.find_last_of(seperator); + if (lastSlashAt == 0) { + return std::string(seperator); + } + return fullPath.substr(0, lastSlashAt + 1); + } + /// @brief builds stripped filename and puts it in buff + static void buildStrippedFilename(const char* filename, char buff[], + std::size_t limit = base::consts::kSourceFilenameMaxLength) { + std::size_t sizeOfFilename = strlen(filename); + if (sizeOfFilename >= limit) { + filename += (sizeOfFilename - limit); + if (filename[0] != '.' && filename[1] != '.') { // prepend if not already + filename += 3; // 3 = '..' + STRCAT(buff, "..", limit); + } + } + STRCAT(buff, filename, limit); + } + /// @brief builds base filename and puts it in buff + static void buildBaseFilename(const std::string& fullPath, char buff[], + std::size_t limit = base::consts::kSourceFilenameMaxLength, + const char* seperator = base::consts::kFilePathSeperator) { + const char *filename = fullPath.c_str(); + std::size_t lastSlashAt = fullPath.find_last_of(seperator); + filename += lastSlashAt ? lastSlashAt+1 : 0; + std::size_t sizeOfFilename = strlen(filename); + if (sizeOfFilename >= limit) { + filename += (sizeOfFilename - limit); + if (filename[0] != '.' && filename[1] != '.') { // prepend if not already + filename += 3; // 3 = '..' + STRCAT(buff, "..", limit); + } + } + STRCAT(buff, filename, limit); + } + }; + /// @brief String utilities helper class used internally. You should not use it. + class Str : base::StaticClass { + public: + /// @brief Checks if character is digit. Dont use libc implementation of it to prevent locale issues. + static inline bool isDigit(char c) { + return c >= '0' && c <= '9'; + } + + /// @brief Matches wildcards, '*' and '?' only supported. + static bool wildCardMatch(const char* str, const char* pattern) { + while (*pattern) { + switch (*pattern) { + case '?': + if (!*str) + return false; + ++str; + ++pattern; + break; + case '*': + if (wildCardMatch(str, pattern + 1)) + return true; + if (*str && wildCardMatch(str + 1, pattern)) + return true; + return false; + default: + if (*str++ != *pattern++) + return false; + break; + } + } + return !*str && !*pattern; + } + + /// @brief Trims string from start + /// @param [in,out] str String to trim + static inline std::string& ltrim(std::string& str) { + str.erase(str.begin(), std::find_if(str.begin(), str.end(), std::not1(std::ptr_fun(&std::isspace)))); + return str; + } + + /// @brief Trim string from end + /// @param [in,out] str String to trim + static inline std::string& rtrim(std::string& str) { + str.erase(std::find_if(str.rbegin(), str.rend(), std::not1(std::ptr_fun(&std::isspace))).base(), str.end()); + return str; + } + + /// @brief Trims string from left and right + /// @param [in,out] str String to trim + static inline std::string& trim(std::string& str) { + return ltrim(rtrim(str)); + } + + /// @brief Determines whether or not str starts with specified string + /// @param str String to check + /// @param start String to check against + /// @return Returns true if starts with specified string, false otherwise + static inline bool startsWith(const std::string& str, const std::string& start) { + return (str.length() >= start.length()) && (str.compare(0, start.length(), start) == 0); + } + + /// @brief Determines whether or not str ends with specified string + /// @param str String to check + /// @param end String to check against + /// @return Returns true if ends with specified string, false otherwise + static inline bool endsWith(const std::string& str, const std::string& end) { + return (str.length() >= end.length()) && (str.compare(str.length() - end.length(), end.length(), end) == 0); + } + + /// @brief Replaces all instances of replaceWhat with 'replaceWith'. Original variable is changed for performance. + /// @param [in,out] str String to replace from + /// @param replaceWhat Character to replace + /// @param replaceWith Character to replace with + /// @return Modified version of str + static inline std::string& replaceAll(std::string& str, char replaceWhat, char replaceWith) { + std::replace(str.begin(), str.end(), replaceWhat, replaceWith); + return str; + } + + /// @brief Replaces all instances of 'replaceWhat' with 'replaceWith'. (String version) Replaces in place + /// @param str String to replace from + /// @param replaceWhat Character to replace + /// @param replaceWith Character to replace with + /// @return Modified (original) str + static inline std::string& replaceAll(std::string& str, const std::string& replaceWhat, // NOLINT + const std::string& replaceWith) { + if (replaceWhat == replaceWith) + return str; + std::size_t foundAt = std::string::npos; + while ((foundAt = str.find(replaceWhat, foundAt + 1)) != std::string::npos) { + str.replace(foundAt, replaceWhat.length(), replaceWith); + } + return str; + } + + static void replaceFirstWithEscape(base::type::string_t& str, const base::type::string_t& replaceWhat, // NOLINT + const base::type::string_t& replaceWith) { + std::size_t foundAt = base::type::string_t::npos; + while ((foundAt = str.find(replaceWhat, foundAt + 1)) != base::type::string_t::npos) { + if (foundAt > 0 && str[foundAt - 1] == base::consts::kFormatSpecifierChar) { + str.erase(foundAt > 0 ? foundAt - 1 : 0, 1); + ++foundAt; + } else { + str.replace(foundAt, replaceWhat.length(), replaceWith); + return; + } + } + } +#if defined(ELPP_UNICODE) + static void replaceFirstWithEscape(base::type::string_t& str, const base::type::string_t& replaceWhat, // NOLINT + const std::string& replaceWith) { + replaceFirstWithEscape(str, replaceWhat, base::type::string_t(replaceWith.begin(), replaceWith.end())); + } +#endif // defined(ELPP_UNICODE) + /// @brief Converts string to uppercase + /// @param str String to convert + /// @return Uppercase string + static inline std::string& toUpper(std::string& str) { + std::transform(str.begin(), str.end(), str.begin(), ::toupper); + return str; + } + + /// @brief Compares cstring equality - uses strcmp + static inline bool cStringEq(const char* s1, const char* s2) { + if (s1 == nullptr && s2 == nullptr) return true; + if (s1 == nullptr || s2 == nullptr) return false; + return strcmp(s1, s2) == 0; + } + + /// @brief Compares cstring equality (case-insensitive) - uses toupper(char) + /// Dont use strcasecmp because of CRT (VC++) + static bool cStringCaseEq(const char* s1, const char* s2) { + if (s1 == nullptr && s2 == nullptr) return true; + if (s1 == nullptr || s2 == nullptr) return false; + if (strlen(s1) != strlen(s2)) return false; + while (*s1 != '\0' && *s2 != '\0') { + if (::toupper(*s1) != ::toupper(*s2)) return false; + ++s1; + ++s2; + } + return true; + } + + /// @brief Returns true if c exist in str + static inline bool contains(const char* str, char c) { + for (; *str; ++str) { + if (*str == c) + return true; + } + return false; + } + + static inline char* convertAndAddToBuff(std::size_t n, int len, char* buf, const char* bufLim, bool zeroPadded = true) { + char localBuff[10] = ""; + char* p = localBuff + sizeof(localBuff) - 2; + if (n > 0) { + for (; n > 0 && p > localBuff && len > 0; n /= 10, --len) + *--p = static_cast(n % 10 + '0'); + } else { + *--p = '0'; + --len; + } + if (zeroPadded) + while (p > localBuff && len-- > 0) *--p = static_cast('0'); + return addToBuff(p, buf, bufLim); + } + + static inline char* addToBuff(const char* str, char* buf, const char* bufLim) { + while ((buf < bufLim) && ((*buf = *str++) != '\0')) + ++buf; + return buf; + } + + static inline char* clearBuff(char buff[], std::size_t lim) { + STRCPY(buff, "", lim); + ELPP_UNUSED(lim); // For *nix we dont have anything using lim in above STRCPY macro + return buff; + } + + /// @brief Converst wchar* to char* + /// NOTE: Need to free return value after use! + static char* wcharPtrToCharPtr(const wchar_t* line) { + std::size_t len_ = wcslen(line) + 1; + char* buff_ = static_cast(malloc(len_ + 1)); +# if ELPP_OS_UNIX || (ELPP_OS_WINDOWS && !ELPP_CRT_DBG_WARNINGS) + std::wcstombs(buff_, line, len_); +# elif ELPP_OS_WINDOWS + std::size_t convCount_ = 0; + mbstate_t mbState_; + ::memset(static_cast(&mbState_), 0, sizeof(mbState_)); + wcsrtombs_s(&convCount_, buff_, len_, &line, len_, &mbState_); +# endif // ELPP_OS_UNIX || (ELPP_OS_WINDOWS && !ELPP_CRT_DBG_WARNINGS) + return buff_; + } + }; + /// @brief Operating System helper static class used internally. You should not use it. + class OS : base::StaticClass { + public: +#if ELPP_OS_WINDOWS + /// @brief Gets environment variables for Windows based OS. + /// We are not using getenv(const char*) because of CRT deprecation + /// @param varname Variable name to get environment variable value for + /// @return If variable exist the value of it otherwise nullptr + static const char* getWindowsEnvironmentVariable(const char* varname) { + const DWORD bufferLen = 50; + static char buffer[bufferLen]; + if (GetEnvironmentVariableA(varname, buffer, bufferLen)) { + return buffer; + } + return nullptr; + } +#endif // ELPP_OS_WINDOWS +#if ELPP_OS_ANDROID + /// @brief Reads android property value + static inline std::string getProperty(const char* prop) { + char propVal[PROP_VALUE_MAX + 1]; + int ret = __system_property_get(prop, propVal); + return ret == 0 ? std::string() : std::string(propVal); + } + + /// @brief Reads android device name + static std::string getDeviceName(void) { + std::stringstream ss; + std::string manufacturer = getProperty("ro.product.manufacturer"); + std::string model = getProperty("ro.product.model"); + if (manufacturer.empty() || model.empty()) { + return std::string(); + } + ss << manufacturer << "-" << model; + return ss.str(); + } +#endif // ELPP_OS_ANDROID + + /// @brief Runs command on terminal and returns the output. + /// + /// @detail This is applicable only on unix based systems, for all other OS, an empty string is returned. + /// @param command Bash command + /// @return Result of bash output or empty string if no result found. + static const std::string getBashOutput(const char* command) { +#if (ELPP_OS_UNIX && !ELPP_OS_ANDROID && !ELPP_CYGWIN) + if (command == nullptr) { + return std::string(); + } + FILE* proc = nullptr; + if ((proc = popen(command, "r")) == nullptr) { + ELPP_INTERNAL_ERROR("\nUnable to run command [" << command << "]", true); + return std::string(); + } + char hBuff[4096]; + if (fgets(hBuff, sizeof(hBuff), proc) != nullptr) { + pclose(proc); + if (hBuff[strlen(hBuff) - 1] == '\n') { + hBuff[strlen(hBuff) - 1] = '\0'; + } + return std::string(hBuff); + } + return std::string(); +#else + ELPP_UNUSED(command); + return std::string(); +#endif // (ELPP_OS_UNIX && !ELPP_OS_ANDROID && !ELPP_CYGWIN) + } + + /// @brief Gets environment variable. This is cross-platform and CRT safe (for VC++) + /// @param variableName Environment variable name + /// @param defaultVal If no environment variable or value found the value to return by default + /// @param alternativeBashCommand If environment variable not found what would be alternative bash command + /// in order to look for value user is looking for. E.g, for 'user' alternative command will 'whoami' + static std::string getEnvironmentVariable(const char* variableName, const char* defaultVal, const char* alternativeBashCommand = nullptr) { +#if ELPP_OS_UNIX + const char* val = getenv(variableName); +#elif ELPP_OS_WINDOWS + const char* val = getWindowsEnvironmentVariable(variableName); +#endif // ELPP_OS_UNIX + if ((val == nullptr) || ((strcmp(val, "") == 0))) { +#if ELPP_OS_UNIX && defined(ELPP_FORCE_ENV_VAR_FROM_BASH) + // Try harder on unix-based systems + std::string valBash = base::utils::OS::getBashOutput(alternativeBashCommand); + if (valBash.empty()) { + return std::string(defaultVal); + } else { + return valBash; + } +#elif ELPP_OS_WINDOWS || ELPP_OS_UNIX + ELPP_UNUSED(alternativeBashCommand); + return std::string(defaultVal); +#endif // ELPP_OS_UNIX && defined(ELPP_FORCE_ENV_VAR_FROM_BASH) + } + return std::string(val); + } + /// @brief Gets current username. + static inline std::string currentUser(void) { +#if ELPP_OS_UNIX && !ELPP_OS_ANDROID + return getEnvironmentVariable("USER", base::consts::kUnknownUser, "whoami"); +#elif ELPP_OS_WINDOWS + return getEnvironmentVariable("USERNAME", base::consts::kUnknownUser); +#elif ELPP_OS_ANDROID + ELPP_UNUSED(base::consts::kUnknownUser); + return std::string("android"); +#else + return std::string(); +#endif // ELPP_OS_UNIX && !ELPP_OS_ANDROID + } + + /// @brief Gets current host name or computer name. + /// + /// @detail For android systems this is device name with its manufacturer and model seperated by hyphen + static inline std::string currentHost(void) { +#if ELPP_OS_UNIX && !ELPP_OS_ANDROID + return getEnvironmentVariable("HOSTNAME", base::consts::kUnknownHost, "hostname"); +#elif ELPP_OS_WINDOWS + return getEnvironmentVariable("COMPUTERNAME", base::consts::kUnknownHost); +#elif ELPP_OS_ANDROID + ELPP_UNUSED(base::consts::kUnknownHost); + return getDeviceName(); +#else + return std::string(); +#endif // ELPP_OS_UNIX && !ELPP_OS_ANDROID + } + /// @brief Whether or not terminal supports colors + static inline bool termSupportsColor(void) { + std::string term = getEnvironmentVariable("TERM", ""); + return term == "xterm" || term == "xterm-color" || term == "xterm-256color" + || term == "screen" || term == "linux" || term == "cygwin" + || term == "screen-256color"; + } + }; + extern std::string s_currentUser; + extern std::string s_currentHost; + extern bool s_termSupportsColor; +#define ELPP_INITI_BASIC_DECLR \ +namespace el {\ +namespace base {\ +namespace utils {\ +std::string s_currentUser = el::base::utils::OS::currentUser(); \ +std::string s_currentHost = el::base::utils::OS::currentHost(); \ +bool s_termSupportsColor = el::base::utils::OS::termSupportsColor(); \ +}\ +}\ +} + /// @brief Contains utilities for cross-platform date/time. This class make use of el::base::utils::Str + class DateTime : base::StaticClass { + public: + /// @brief Cross platform gettimeofday for Windows and unix platform. This can be used to determine current millisecond. + /// + /// @detail For unix system it uses gettimeofday(timeval*, timezone*) and for Windows, a seperate implementation is provided + /// @param [in,out] tv Pointer that gets updated + static void gettimeofday(struct timeval* tv) { +#if ELPP_OS_WINDOWS + if (tv != nullptr) { +# if ELPP_COMPILER_MSVC || defined(_MSC_EXTENSIONS) + const unsigned __int64 delta_ = 11644473600000000Ui64; +# else + const unsigned __int64 delta_ = 11644473600000000ULL; +# endif // ELPP_COMPILER_MSVC || defined(_MSC_EXTENSIONS) + const double secOffSet = 0.000001; + const unsigned long usecOffSet = 1000000; + FILETIME fileTime; + GetSystemTimeAsFileTime(&fileTime); + unsigned __int64 present = 0; + present |= fileTime.dwHighDateTime; + present = present << 32; + present |= fileTime.dwLowDateTime; + present /= 10; // mic-sec + // Subtract the difference + present -= delta_; + tv->tv_sec = static_cast(present * secOffSet); + tv->tv_usec = static_cast(present % usecOffSet); + } +#else + ::gettimeofday(tv, nullptr); +#endif // ELPP_OS_WINDOWS + } + + /// @brief Gets current date and time with milliseconds. + /// @param format User provided date/time format + /// @param msWidth A pointer to base::MillisecondsWidth from configuration (non-null) + /// @returns string based date time in specified format. + static inline std::string getDateTime(const char* format, const base::MillisecondsWidth* msWidth) { + struct timeval currTime; + gettimeofday(&currTime); + struct ::tm timeInfo; + buildTimeInfo(&currTime, &timeInfo); + const int kBuffSize = 30; + char buff_[kBuffSize] = ""; + parseFormat(buff_, kBuffSize, format, &timeInfo, static_cast(currTime.tv_usec / msWidth->m_offset), msWidth); + return std::string(buff_); + } + + /// @brief Formats time to get unit accordingly, units like second if > 1000 or minutes if > 60000 etc + static base::type::string_t formatTime(unsigned long long time, base::TimestampUnit timestampUnit) { + double result = static_cast(time); + base::type::EnumType start = static_cast(timestampUnit); + const base::type::char_t* unit = base::consts::kTimeFormats[start].unit; + for (base::type::EnumType i = start; i < base::consts::kTimeFormatsCount - 1; ++i) { + if (result <= base::consts::kTimeFormats[i].value) { + break; + } + result /= base::consts::kTimeFormats[i].value; + unit = base::consts::kTimeFormats[i + 1].unit; + } + base::type::stringstream_t ss; + ss << result << " " << unit; + return ss.str(); + } + + /// @brief Gets time difference in milli/micro second depending on timestampUnit + static inline unsigned long long getTimeDifference(const struct timeval& endTime, const struct timeval& startTime, base::TimestampUnit timestampUnit) { + if (timestampUnit == base::TimestampUnit::Microsecond) { + return static_cast(static_cast(1000000 * endTime.tv_sec + endTime.tv_usec) - + static_cast(1000000 * startTime.tv_sec + startTime.tv_usec)); + } else { + return static_cast((((endTime.tv_sec - startTime.tv_sec) * 1000000) + (endTime.tv_usec - startTime.tv_usec)) / 1000); + } + } + + private: + static inline struct ::tm* buildTimeInfo(struct timeval* currTime, struct ::tm* timeInfo) { +#if ELPP_OS_UNIX + time_t rawTime = currTime->tv_sec; + ::localtime_r(&rawTime, timeInfo); + return timeInfo; +#else +# if ELPP_COMPILER_MSVC + ELPP_UNUSED(currTime); + time_t t; + _time64(&t); + localtime_s(timeInfo, &t); + return timeInfo; +# else + // For any other compilers that don't have CRT warnings issue e.g, MinGW or TDM GCC- we use different method + time_t rawTime = currTime->tv_sec; + struct tm* tmInf = localtime(&rawTime); + *timeInfo = *tmInf; + return timeInfo; +# endif // ELPP_COMPILER_MSVC +#endif // ELPP_OS_UNIX + } + static char* parseFormat(char* buf, std::size_t bufSz, const char* format, const struct tm* tInfo, + std::size_t msec, const base::MillisecondsWidth* msWidth) { + const char* bufLim = buf + bufSz; + for (; *format; ++format) { + if (*format == base::consts::kFormatSpecifierChar) { + switch (*++format) { + case base::consts::kFormatSpecifierChar: // Escape + break; + case '\0': // End + --format; + break; + case 'd': // Day + buf = base::utils::Str::convertAndAddToBuff(tInfo->tm_mday, 2, buf, bufLim); + continue; + case 'a': // Day of week (short) + buf = base::utils::Str::addToBuff(base::consts::kDaysAbbrev[tInfo->tm_wday], buf, bufLim); + continue; + case 'A': // Day of week (long) + buf = base::utils::Str::addToBuff(base::consts::kDays[tInfo->tm_wday], buf, bufLim); + continue; + case 'M': // month + buf = base::utils::Str::convertAndAddToBuff(tInfo->tm_mon + 1, 2, buf, bufLim); + continue; + case 'b': // month (short) + buf = base::utils::Str::addToBuff(base::consts::kMonthsAbbrev[tInfo->tm_mon], buf, bufLim); + continue; + case 'B': // month (long) + buf = base::utils::Str::addToBuff(base::consts::kMonths[tInfo->tm_mon], buf, bufLim); + continue; + case 'y': // year (two digits) + buf = base::utils::Str::convertAndAddToBuff(tInfo->tm_year + base::consts::kYearBase, 2, buf, bufLim); + continue; + case 'Y': // year (four digits) + buf = base::utils::Str::convertAndAddToBuff(tInfo->tm_year + base::consts::kYearBase, 4, buf, bufLim); + continue; + case 'h': // hour (12-hour) + buf = base::utils::Str::convertAndAddToBuff(tInfo->tm_hour % 12, 2, buf, bufLim); + continue; + case 'H': // hour (24-hour) + buf = base::utils::Str::convertAndAddToBuff(tInfo->tm_hour, 2, buf, bufLim); + continue; + case 'm': // minute + buf = base::utils::Str::convertAndAddToBuff(tInfo->tm_min, 2, buf, bufLim); + continue; + case 's': // second + buf = base::utils::Str::convertAndAddToBuff(tInfo->tm_sec, 2, buf, bufLim); + continue; + case 'z': // milliseconds + case 'g': + buf = base::utils::Str::convertAndAddToBuff(msec, msWidth->m_width, buf, bufLim); + continue; + case 'F': // AM/PM + buf = base::utils::Str::addToBuff((tInfo->tm_hour >= 12) ? base::consts::kPm : base::consts::kAm, buf, bufLim); + continue; + default: + continue; + } + } + if (buf == bufLim) break; + *buf++ = *format; + } + return buf; + } + }; + /// @brief Command line arguments for application if specified using el::Helpers::setArgs(..) or START_EASYLOGGINGPP(..) + class CommandLineArgs { + public: + CommandLineArgs(void) { + setArgs(0, static_cast(nullptr)); + } + CommandLineArgs(int argc, const char** argv) { + setArgs(argc, argv); + } + CommandLineArgs(int argc, char** argv) { + setArgs(argc, argv); + } + virtual ~CommandLineArgs(void) {} + /// @brief Sets arguments and parses them + inline void setArgs(int argc, const char** argv) { + setArgs(argc, const_cast(argv)); + } + /// @brief Sets arguments and parses them + inline void setArgs(int argc, char** argv) { + m_params.clear(); + m_paramsWithValue.clear(); + if (argc == 0 || argv == nullptr) { + return; + } + m_argc = argc; + m_argv = argv; + for (int i = 1; i < m_argc; ++i) { + const char* v = (strstr(m_argv[i], "=")); + if (v != nullptr && strlen(v) > 0) { + std::string key = std::string(m_argv[i]); + key = key.substr(0, key.find_first_of('=')); + if (hasParamWithValue(key.c_str())) { + ELPP_INTERNAL_INFO(1, "Skipping [" << key << "] arg since it already has value [" + << getParamValue(key.c_str()) << "]"); + } else { + m_paramsWithValue.insert(std::make_pair(key, std::string(v + 1))); + } + } + if (v == nullptr) { + if (hasParam(m_argv[i])) { + ELPP_INTERNAL_INFO(1, "Skipping [" << m_argv[i] << "] arg since it already exists"); + } else { + m_params.push_back(std::string(m_argv[i])); + } + } + } + } + /// @brief Returns true if arguments contain paramKey with a value (seperated by '=') + inline bool hasParamWithValue(const char* paramKey) const { + return m_paramsWithValue.find(std::string(paramKey)) != m_paramsWithValue.end(); + } + /// @brief Returns value of arguments + /// @see hasParamWithValue(const char*) + inline const char* getParamValue(const char* paramKey) const { + return m_paramsWithValue.find(std::string(paramKey))->second.c_str(); + } + /// @brief Return true if arguments has a param (not having a value) i,e without '=' + inline bool hasParam(const char* paramKey) const { + return std::find(m_params.begin(), m_params.end(), std::string(paramKey)) != m_params.end(); + } + /// @brief Returns true if no params available. This exclude argv[0] + inline bool empty(void) const { + return m_params.empty() && m_paramsWithValue.empty(); + } + /// @brief Returns total number of arguments. This exclude argv[0] + inline std::size_t size(void) const { + return m_params.size() + m_paramsWithValue.size(); + } + inline friend base::type::ostream_t& operator<<(base::type::ostream_t& os, const CommandLineArgs& c) { + for (int i = 1; i < c.m_argc; ++i) { + os << ELPP_LITERAL("[") << c.m_argv[i] << ELPP_LITERAL("]"); + if (i < c.m_argc - 1) { + os << ELPP_LITERAL(" "); + } + } + return os; + } + + private: + int m_argc; + char** m_argv; + std::map m_paramsWithValue; + std::vector m_params; + }; + /// @brief Abstract registry (aka repository) that provides basic interface for pointer repository specified by T_Ptr type. + /// + /// @detail Most of the functions are virtual final methods but anything implementing this abstract class should implement + /// unregisterAll() and deepCopy(const AbstractRegistry&) and write registerNew() method according to container + /// and few more methods; get() to find element, unregister() to unregister single entry. + /// Please note that this is thread-unsafe and should also implement thread-safety mechanisms in implementation. + template + class AbstractRegistry : public base::threading::ThreadSafe { + public: + typedef typename Container::iterator iterator; + typedef typename Container::const_iterator const_iterator; + + /// @brief Default constructor + AbstractRegistry(void) {} + + /// @brief Move constructor that is useful for base classes + AbstractRegistry(AbstractRegistry&& sr) { + if (this == &sr) { + return; + } + unregisterAll(); + m_list = std::move(sr.m_list); + } + + bool operator==(const AbstractRegistry& other) { + if (size() != other.size()) { + return false; + } + for (std::size_t i = 0; i < m_list.size(); ++i) { + if (m_list.at(i) != other.m_list.at(i)) { + return false; + } + } + return true; + } + + bool operator!=(const AbstractRegistry& other) { + if (size() != other.size()) { + return true; + } + for (std::size_t i = 0; i < m_list.size(); ++i) { + if (m_list.at(i) != other.m_list.at(i)) { + return true; + } + } + return false; + } + + /// @brief Assignment move operator + AbstractRegistry& operator=(AbstractRegistry&& sr) { + if (this == &sr) { + return *this; + } + unregisterAll(); + m_list = std::move(sr.m_list); + return *this; + } + + virtual ~AbstractRegistry(void) { + } + + /// @return Iterator pointer from start of repository + virtual inline iterator begin(void) ELPP_FINAL { + return m_list.begin(); + } + + /// @return Iterator pointer from end of repository + virtual inline iterator end(void) ELPP_FINAL { + return m_list.end(); + } + + + /// @return Constant iterator pointer from start of repository + virtual inline const_iterator cbegin(void) const ELPP_FINAL { + return m_list.cbegin(); + } + + /// @return End of repository + virtual inline const_iterator cend(void) const ELPP_FINAL { + return m_list.cend(); + } + + /// @return Whether or not repository is empty + virtual inline bool empty(void) const ELPP_FINAL { + return m_list.empty(); + } + + /// @return Size of repository + virtual inline std::size_t size(void) const ELPP_FINAL { + return m_list.size(); + } + + /// @brief Returns underlying container by reference + virtual inline Container& list(void) ELPP_FINAL { + return m_list; + } + + /// @brief Returns underlying container by constant reference. + virtual inline const Container& list(void) const ELPP_FINAL { + return m_list; + } + + /// @brief Unregisters all the pointers from current repository. + virtual void unregisterAll(void) = 0; + +protected: + virtual void deepCopy(const AbstractRegistry&) = 0; + void reinitDeepCopy(const AbstractRegistry& sr) { + unregisterAll(); + deepCopy(sr); + } + +private: + Container m_list; +}; + +/// @brief A pointer registry mechanism to manage memory and provide search functionalities. (non-predicate version) +/// +/// @detail NOTE: This is thread-unsafe implementation (although it contains lock function, it does not use these functions) +/// of AbstractRegistry. Any implementation of this class should be +/// explicitly (by using lock functions) +template +class Registry : public AbstractRegistry> { +public: + typedef typename Registry::iterator iterator; + typedef typename Registry::const_iterator const_iterator; + + Registry(void) {} + + /// @brief Copy constructor that is useful for base classes. Try to avoid this constructor, use move constructor. + Registry(const Registry& sr) : AbstractRegistry>() { + if (this == &sr) { + return; + } + this->reinitDeepCopy(sr); + } + + /// @brief Assignment operator that unregisters all the existing registeries and deeply copies each of repo element + /// @see unregisterAll() + /// @see deepCopy(const AbstractRegistry&) + Registry& operator=(const Registry& sr) { + if (this == &sr) { + return *this; + } + this->reinitDeepCopy(sr); + return *this; + } + + virtual ~Registry(void) { + unregisterAll(); + } + +protected: + virtual inline void unregisterAll(void) ELPP_FINAL { + if (!this->empty()) { + for (auto&& curr : this->list()) { + base::utils::safeDelete(curr.second); + } + this->list().clear(); + } +} + +/// @brief Registers new registry to repository. +virtual inline void registerNew(const T_Key& uniqKey, T_Ptr* ptr) ELPP_FINAL { +unregister(uniqKey); +this->list().insert(std::make_pair(uniqKey, ptr)); +} + +/// @brief Unregisters single entry mapped to specified unique key +inline void unregister(const T_Key& uniqKey) { + T_Ptr* existing = get(uniqKey); + if (existing != nullptr) { + base::utils::safeDelete(existing); + this->list().erase(uniqKey); + } +} + +/// @brief Gets pointer from repository. If none found, nullptr is returned. +inline T_Ptr* get(const T_Key& uniqKey) { + iterator it = this->list().find(uniqKey); + return it == this->list().end() + ? nullptr + : it->second; +} + +private: +virtual inline void deepCopy(const AbstractRegistry>& sr) ELPP_FINAL { +for (const_iterator it = sr.cbegin(); it != sr.cend(); ++it) { + registerNew(it->first, new T_Ptr(*it->second)); +} +} +}; + +/// @brief A pointer registry mechanism to manage memory and provide search functionalities. (predicate version) +/// +/// @detail NOTE: This is thread-unsafe implementation of AbstractRegistry. Any implementation of this class +/// should be made thread-safe explicitly +template +class RegistryWithPred : public AbstractRegistry> { +public: + typedef typename RegistryWithPred::iterator iterator; + typedef typename RegistryWithPred::const_iterator const_iterator; + + RegistryWithPred(void) { + } + + virtual ~RegistryWithPred(void) { + unregisterAll(); + } + + /// @brief Copy constructor that is useful for base classes. Try to avoid this constructor, use move constructor. + RegistryWithPred(const RegistryWithPred& sr) : AbstractRegistry>() { + if (this == &sr) { + return; + } + this->reinitDeepCopy(sr); + } + + /// @brief Assignment operator that unregisters all the existing registeries and deeply copies each of repo element + /// @see unregisterAll() + /// @see deepCopy(const AbstractRegistry&) + RegistryWithPred& operator=(const RegistryWithPred& sr) { + if (this == &sr) { + return *this; + } + this->reinitDeepCopy(sr); + return *this; + } + + friend inline base::type::ostream_t& operator<<(base::type::ostream_t& os, const RegistryWithPred& sr) { + for (const_iterator it = sr.list().begin(); it != sr.list().end(); ++it) { + os << ELPP_LITERAL(" ") << **it << ELPP_LITERAL("\n"); + } + return os; + } + +protected: + virtual inline void unregisterAll(void) ELPP_FINAL { + if (!this->empty()) { + for (auto&& curr : this->list()) { + base::utils::safeDelete(curr); + } + this->list().clear(); + } +} + +virtual void unregister(T_Ptr*& ptr) ELPP_FINAL { +if (ptr) { + iterator iter = this->begin(); + for (; iter != this->end(); ++iter) { + if (ptr == *iter) { + break; + } + } + if (iter != this->end() && *iter != nullptr) { + this->list().erase(iter); + base::utils::safeDelete(*iter); + } +} +} + +virtual inline void registerNew(T_Ptr* ptr) ELPP_FINAL { +this->list().push_back(ptr); +} + +/// @brief Gets pointer from repository with speicifed arguments. Arguments are passed to predicate +/// in order to validate pointer. +template +inline T_Ptr* get(const T& arg1, const T2 arg2) { + iterator iter = std::find_if(this->list().begin(), this->list().end(), Pred(arg1, arg2)); + if (iter != this->list().end() && *iter != nullptr) { + return *iter; + } + return nullptr; +} + +private: +virtual inline void deepCopy(const AbstractRegistry>& sr) { + for (const_iterator it = sr.list().begin(); it != sr.list().end(); ++it) { + registerNew(new T_Ptr(**it)); + } +} +}; + +} // namespace utils +} // namespace base +/// @brief Base of Easylogging++ friendly class +/// +/// @detail After inheriting this class publicly, implement pure-virtual function `void log(std::ostream&) const` +class Loggable { +public: + virtual ~Loggable(void) {} + virtual void log(el::base::type::ostream_t&) const = 0; +private: + friend inline el::base::type::ostream_t& operator<<(el::base::type::ostream_t& os, const Loggable& loggable) { + loggable.log(os); + return os; + } +}; +namespace base { + /// @brief Represents log format containing flags and date format. This is used internally to start initial log + class LogFormat : public Loggable { + public: + LogFormat(void) : + m_level(Level::Unknown), + m_userFormat(base::type::string_t()), + m_format(base::type::string_t()), + m_dateTimeFormat(std::string()), + m_flags(0x0) { + } + + LogFormat(Level level, const base::type::string_t& format) + : m_level(level), m_userFormat(format) { + parseFromFormat(m_userFormat); + } + + LogFormat(const LogFormat& logFormat) { + m_level = logFormat.m_level; + m_userFormat = logFormat.m_userFormat; + m_format = logFormat.m_format; + m_dateTimeFormat = logFormat.m_dateTimeFormat; + m_flags = logFormat.m_flags; + } + + LogFormat(LogFormat&& logFormat) { + m_level = std::move(logFormat.m_level); + m_userFormat = std::move(logFormat.m_userFormat); + m_format = std::move(logFormat.m_format); + m_dateTimeFormat = std::move(logFormat.m_dateTimeFormat); + m_flags = std::move(logFormat.m_flags); + } + + LogFormat& operator=(const LogFormat& logFormat) { + m_level = logFormat.m_level; + m_userFormat = logFormat.m_userFormat; + m_dateTimeFormat = logFormat.m_dateTimeFormat; + m_flags = logFormat.m_flags; + return *this; + } + + virtual ~LogFormat(void) { + } + + inline bool operator==(const LogFormat& other) { + return m_level == other.m_level && m_userFormat == other.m_userFormat && m_format == other.m_format && + m_dateTimeFormat == other.m_dateTimeFormat && m_flags == other.m_flags; + } + + /// @brief Updates format to be used while logging. + /// @param userFormat User provided format + void parseFromFormat(const base::type::string_t& userFormat) { + // We make copy because we will be changing the format + // i.e, removing user provided date format from original format + // and then storing it. + base::type::string_t formatCopy = userFormat; + m_flags = 0x0; + auto conditionalAddFlag = [&](const base::type::char_t* specifier, base::FormatFlags flag) { + std::size_t foundAt = base::type::string_t::npos; + while ((foundAt = formatCopy.find(specifier, foundAt + 1)) != base::type::string_t::npos){ + if (foundAt > 0 && formatCopy[foundAt - 1] == base::consts::kFormatSpecifierChar) { + if (hasFlag(flag)) { + // If we already have flag we remove the escape chars so that '%%' is turned to '%' + // even after specifier resolution - this is because we only replaceFirst specifier + formatCopy.erase(foundAt > 0 ? foundAt - 1 : 0, 1); + ++foundAt; + } + } else { + if (!hasFlag(flag)) addFlag(flag); + } + } + }; + conditionalAddFlag(base::consts::kAppNameFormatSpecifier, base::FormatFlags::AppName); + conditionalAddFlag(base::consts::kSeverityLevelFormatSpecifier, base::FormatFlags::Level); + conditionalAddFlag(base::consts::kSeverityLevelShortFormatSpecifier, base::FormatFlags::LevelShort); + conditionalAddFlag(base::consts::kLoggerIdFormatSpecifier, base::FormatFlags::LoggerId); + conditionalAddFlag(base::consts::kThreadIdFormatSpecifier, base::FormatFlags::ThreadId); + conditionalAddFlag(base::consts::kLogFileFormatSpecifier, base::FormatFlags::File); + conditionalAddFlag(base::consts::kLogFileBaseFormatSpecifier, base::FormatFlags::FileBase); + conditionalAddFlag(base::consts::kLogLineFormatSpecifier, base::FormatFlags::Line); + conditionalAddFlag(base::consts::kLogLocationFormatSpecifier, base::FormatFlags::Location); + conditionalAddFlag(base::consts::kLogFunctionFormatSpecifier, base::FormatFlags::Function); + conditionalAddFlag(base::consts::kCurrentUserFormatSpecifier, base::FormatFlags::User); + conditionalAddFlag(base::consts::kCurrentHostFormatSpecifier, base::FormatFlags::Host); + conditionalAddFlag(base::consts::kMessageFormatSpecifier, base::FormatFlags::LogMessage); + conditionalAddFlag(base::consts::kVerboseLevelFormatSpecifier, base::FormatFlags::VerboseLevel); + // For date/time we need to extract user's date format first + std::size_t dateIndex = std::string::npos; + if ((dateIndex = formatCopy.find(base::consts::kDateTimeFormatSpecifier)) != std::string::npos) { + while (dateIndex > 0 && formatCopy[dateIndex - 1] == base::consts::kFormatSpecifierChar) { + dateIndex = formatCopy.find(base::consts::kDateTimeFormatSpecifier, dateIndex + 1); + } + if (dateIndex != std::string::npos) { + addFlag(base::FormatFlags::DateTime); + updateDateFormat(dateIndex, formatCopy); + } + } + m_format = formatCopy; + updateFormatSpec(); + } + + inline Level level(void) const { + return m_level; + } + + inline const base::type::string_t& userFormat(void) const { + return m_userFormat; + } + + inline const base::type::string_t& format(void) const { + return m_format; + } + + inline const std::string& dateTimeFormat(void) const { + return m_dateTimeFormat; + } + + inline base::type::EnumType flags(void) const { + return m_flags; + } + + inline bool hasFlag(base::FormatFlags flag) const { + return base::utils::hasFlag(flag, m_flags); + } + + virtual void log(el::base::type::ostream_t& os) const { + os << m_format; + } + + protected: + /// @brief Updates date time format if available in currFormat. + /// @param index Index where %datetime, %date or %time was found + /// @param [in,out] currFormat current format that is being used to format + virtual void updateDateFormat(std::size_t index, base::type::string_t& currFormat) ELPP_FINAL { + if (hasFlag(base::FormatFlags::DateTime)) { + index += ELPP_STRLEN(base::consts::kDateTimeFormatSpecifier); + } + const base::type::char_t* ptr = currFormat.c_str() + index; + if ((currFormat.size() > index) && (ptr[0] == '{')) { + // User has provided format for date/time + ++ptr; + int count = 1; // Start by 1 in order to remove starting brace + std::stringstream ss; + for (; *ptr; ++ptr, ++count) { + if (*ptr == '}') { + ++count; // In order to remove ending brace + break; + } + ss << *ptr; + } + currFormat.erase(index, count); + m_dateTimeFormat = ss.str(); + } else { + // No format provided, use default + if (hasFlag(base::FormatFlags::DateTime)) { + m_dateTimeFormat = std::string(base::consts::kDefaultDateTimeFormat); + } + } + } + + /// @brief Updates %level from format. This is so that we dont have to do it at log-writing-time. It uses m_format and m_level + virtual void updateFormatSpec(void) ELPP_FINAL { + // Do not use switch over strongly typed enums because Intel C++ compilers dont support them yet. + if (m_level == Level::Debug) { + base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelFormatSpecifier, + base::consts::kDebugLevelLogValue); + base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelShortFormatSpecifier, + base::consts::kDebugLevelShortLogValue); + } else if (m_level == Level::Info) { + base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelFormatSpecifier, + base::consts::kInfoLevelLogValue); + base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelShortFormatSpecifier, + base::consts::kInfoLevelShortLogValue); + } else if (m_level == Level::Warning) { + base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelFormatSpecifier, + base::consts::kWarningLevelLogValue); + base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelShortFormatSpecifier, + base::consts::kWarningLevelShortLogValue); + } else if (m_level == Level::Error) { + base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelFormatSpecifier, + base::consts::kErrorLevelLogValue); + base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelShortFormatSpecifier, + base::consts::kErrorLevelShortLogValue); + } else if (m_level == Level::Fatal) { + base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelFormatSpecifier, + base::consts::kFatalLevelLogValue); + base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelShortFormatSpecifier, + base::consts::kFatalLevelShortLogValue); + } else if (m_level == Level::Verbose) { + base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelFormatSpecifier, + base::consts::kVerboseLevelLogValue); + base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelShortFormatSpecifier, + base::consts::kVerboseLevelShortLogValue); + } else if (m_level == Level::Trace) { + base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelFormatSpecifier, + base::consts::kTraceLevelLogValue); + base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelShortFormatSpecifier, + base::consts::kTraceLevelShortLogValue); + } + if (hasFlag(base::FormatFlags::User)) { + std::string s = base::utils::s_currentUser; + base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kCurrentUserFormatSpecifier, + base::utils::s_currentUser); + } + if (hasFlag(base::FormatFlags::Host)) { + base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kCurrentHostFormatSpecifier, + base::utils::s_currentHost); + } + // Ignore Level::Global and Level::Unknown + } + + inline void addFlag(base::FormatFlags flag) { + base::utils::addFlag(flag, &m_flags); + } + + private: + Level m_level; + base::type::string_t m_userFormat; + base::type::string_t m_format; + std::string m_dateTimeFormat; + base::type::EnumType m_flags; + friend class el::Logger; // To resolve loggerId format specifier easily + }; +} // namespace base +/// @brief Resolving function for format specifier +typedef std::function FormatSpecifierValueResolver; +/// @brief User-provided custom format specifier +/// @see el::Helpers::installCustomFormatSpecifier +/// @see FormatSpecifierValueResolver +class CustomFormatSpecifier { +public: + CustomFormatSpecifier(const char* formatSpecifier, const FormatSpecifierValueResolver& resolver) : + m_formatSpecifier(formatSpecifier), m_resolver(resolver) {} + inline const char* formatSpecifier(void) const { return m_formatSpecifier; } + inline const FormatSpecifierValueResolver& resolver(void) const { return m_resolver; } + inline bool operator==(const char* formatSpecifier) { + return strcmp(m_formatSpecifier, formatSpecifier) == 0; + } + +private: + const char* m_formatSpecifier; + FormatSpecifierValueResolver m_resolver; +}; +/// @brief Represents single configuration that has representing level, configuration type and a string based value. +/// +/// @detail String based value means any value either its boolean, integer or string itself, it will be embedded inside quotes +/// and will be parsed later. +/// +/// Consider some examples below: +/// * el::Configuration confEnabledInfo(el::Level::Info, el::ConfigurationType::Enabled, "true"); +/// * el::Configuration confMaxLogFileSizeInfo(el::Level::Info, el::ConfigurationType::MaxLogFileSize, "2048"); +/// * el::Configuration confFilenameInfo(el::Level::Info, el::ConfigurationType::Filename, "/var/log/my.log"); +class Configuration : public Loggable { +public: + Configuration(const Configuration& c) : + m_level(c.m_level), + m_configurationType(c.m_configurationType), + m_value(c.m_value) { + } + + Configuration& operator=(const Configuration& c) { + m_level = c.m_level; + m_configurationType = c.m_configurationType; + m_value = c.m_value; + return *this; + } + + virtual ~Configuration(void) { + } + + /// @brief Full constructor used to sets value of configuration + Configuration(Level level, ConfigurationType configurationType, const std::string& value) : + m_level(level), + m_configurationType(configurationType), + m_value(value) { + } + + /// @brief Gets level of current configuration + inline Level level(void) const { + return m_level; + } + + /// @brief Gets configuration type of current configuration + inline ConfigurationType configurationType(void) const { + return m_configurationType; + } + + /// @brief Gets string based configuration value + inline const std::string& value(void) const { + return m_value; + } + + /// @brief Set string based configuration value + /// @param value Value to set. Values have to be std::string; For boolean values use "true", "false", for any integral values + /// use them in quotes. They will be parsed when configuring + inline void setValue(const std::string& value) { + m_value = value; + } + + virtual inline void log(el::base::type::ostream_t& os) const { + os << LevelHelper::convertToString(m_level) + << ELPP_LITERAL(" ") << ConfigurationTypeHelper::convertToString(m_configurationType) + << ELPP_LITERAL(" = ") << m_value.c_str(); + } + + /// @brief Used to find configuration from configuration (pointers) repository. Avoid using it. + class Predicate { + public: + Predicate(Level level, ConfigurationType configurationType) : + m_level(level), + m_configurationType(configurationType) { + } + + inline bool operator()(const Configuration* conf) const { + return ((conf != nullptr) && (conf->level() == m_level) && (conf->configurationType() == m_configurationType)); + } + + private: + Level m_level; + ConfigurationType m_configurationType; + }; + +private: + Level m_level; + ConfigurationType m_configurationType; + std::string m_value; +}; + +/// @brief Thread-safe Configuration repository +/// +/// @detail This repository represents configurations for all the levels and configuration type mapped to a value. +class Configurations : public base::utils::RegistryWithPred { +public: + /// @brief Default constructor with empty repository + Configurations(void) : + m_configurationFile(std::string()), + m_isFromFile(false) { + } + + /// @brief Constructor used to set configurations using configuration file. + /// @param configurationFile Full path to configuration file + /// @param useDefaultsForRemaining Lets you set the remaining configurations to default. + /// @param base If provided, this configuration will be based off existing repository that this argument is pointing to. + /// @see parseFromFile(const std::string&, Configurations* base) + /// @see setRemainingToDefault() + Configurations(const std::string& configurationFile, bool useDefaultsForRemaining = true, Configurations* base = nullptr) : + m_configurationFile(configurationFile), + m_isFromFile(false) { + parseFromFile(configurationFile, base); + if (useDefaultsForRemaining) { + setRemainingToDefault(); + } + } + + virtual ~Configurations(void) { + } + + /// @brief Parses configuration from file. + /// @param configurationFile Full path to configuration file + /// @param base Configurations to base new configuration repository off. This value is used when you want to use + /// existing Configurations to base all the values and then set rest of configuration via configuration file. + /// @return True if successfully parsed, false otherwise. You may define 'ELPP_DEBUG_ASSERT_FAILURE' to make sure you + /// do not proceed without successful parse. + inline bool parseFromFile(const std::string& configurationFile, Configurations* base = nullptr) { + // We initial assertion with true because if we have assertion diabled, we want to pass this + // check and if assertion is enabled we will have values re-assigned any way. + bool assertionPassed = true; + ELPP_ASSERT((assertionPassed = base::utils::File::pathExists(configurationFile.c_str(), true)), + "Configuration file [" << configurationFile << "] does not exist!"); + if (!assertionPassed) { + return false; + } + bool success = Parser::parseFromFile(configurationFile, this, base); + m_isFromFile = success; + return success; + } + + /// @brief Parse configurations from configuration string. + /// + /// @detail This configuration string has same syntax as configuration file contents. Make sure all the necessary + /// new line characters are provided. + /// @param base Configurations to base new configuration repository off. This value is used when you want to use + /// existing Configurations to base all the values and then set rest of configuration via configuration text. + /// @return True if successfully parsed, false otherwise. You may define 'ELPP_DEBUG_ASSERT_FAILURE' to make sure you + /// do not proceed without successful parse. + inline bool parseFromText(const std::string& configurationsString, Configurations* base = nullptr) { + bool success = Parser::parseFromText(configurationsString, this, base); + if (success) { + m_isFromFile = false; + } + return success; + } + + /// @brief Sets configuration based-off an existing configurations. + /// @param base Pointer to existing configurations. + inline void setFromBase(Configurations* base) { + if (base == nullptr || base == this) { + return; + } + base::threading::ScopedLock scopedLock(base->lock()); + for (Configuration*& conf : base->list()) { + set(conf); + } + } + + /// @brief Determines whether or not specified configuration type exists in the repository. + /// + /// @detail Returns as soon as first level is found. + /// @param configurationType Type of configuration to check existence for. + bool hasConfiguration(ConfigurationType configurationType) { + base::type::EnumType lIndex = LevelHelper::kMinValid; + bool result = false; + LevelHelper::forEachLevel(&lIndex, [&](void) -> bool { + if (hasConfiguration(LevelHelper::castFromInt(lIndex), configurationType)) { + result = true; + } + return result; + }); + return result; + } + + /// @brief Determines whether or not specified configuration type exists for specified level + /// @param level Level to check + /// @param configurationType Type of configuration to check existence for. + inline bool hasConfiguration(Level level, ConfigurationType configurationType) { + base::threading::ScopedLock scopedLock(lock()); +#if ELPP_COMPILER_INTEL + // We cant specify template types here, Intel C++ throws compilation error + // "error: type name is not allowed" + return RegistryWithPred::get(level, configurationType) != nullptr; +#else + return RegistryWithPred::get(level, configurationType) != nullptr; +#endif // ELPP_COMPILER_INTEL + } + + /// @brief Sets value of configuration for specified level. + /// + /// @detail Any existing configuration for specified level will be replaced. Also note that configuration types + /// ConfigurationType::MillisecondsWidth and ConfigurationType::PerformanceTracking will be ignored if not set for + /// Level::Global because these configurations are not dependant on level. + /// @param level Level to set configuration for (el::Level). + /// @param configurationType Type of configuration (el::ConfigurationType) + /// @param value A string based value. Regardless of what the data type of configuration is, it will always be string + /// from users' point of view. This is then parsed later to be used internally. + /// @see Configuration::setValue(const std::string& value) + /// @see el::Level + /// @see el::ConfigurationType + inline void set(Level level, ConfigurationType configurationType, const std::string& value) { + base::threading::ScopedLock scopedLock(lock()); + unsafeSet(level, configurationType, value); // This is not unsafe anymore as we have locked mutex + if (level == Level::Global) { + unsafeSetGlobally(configurationType, value, false); // Again this is not unsafe either + } + } + + /// @brief Sets single configuration based on other single configuration. + /// @see set(Level level, ConfigurationType configurationType, const std::string& value) + inline void set(Configuration* conf) { + if (conf == nullptr) { + return; + } + set(conf->level(), conf->configurationType(), conf->value()); + } + + inline Configuration* get(Level level, ConfigurationType configurationType) { + base::threading::ScopedLock scopedLock(lock()); + return RegistryWithPred::get(level, configurationType); + } + + /// @brief Sets configuration for all levels. + /// @param configurationType Type of configuration + /// @param value String based value + /// @see Configurations::set(Level level, ConfigurationType configurationType, const std::string& value) + inline void setGlobally(ConfigurationType configurationType, const std::string& value) { + setGlobally(configurationType, value, false); + } + + /// @brief Clears repository so that all the configurations are unset + inline void clear(void) { + base::threading::ScopedLock scopedLock(lock()); + unregisterAll(); + } + + /// @brief Gets configuration file used in parsing this configurations. + /// + /// @detail If this repository was set manually or by text this returns empty string. + inline const std::string& configurationFile(void) const { + return m_configurationFile; + } + + /// @brief Sets configurations to "factory based" configurations. + void setToDefault(void) { + setGlobally(ConfigurationType::Enabled, std::string("true"), true); +#if !defined(ELPP_NO_DEFAULT_LOG_FILE) + setGlobally(ConfigurationType::Filename, std::string(base::consts::kDefaultLogFile), true); +#else + ELPP_UNUSED(base::consts::kDefaultLogFile); +#endif // !defined(ELPP_NO_DEFAULT_LOG_FILE) + setGlobally(ConfigurationType::ToFile, std::string("true"), true); + setGlobally(ConfigurationType::ToStandardOutput, std::string("true"), true); + setGlobally(ConfigurationType::MillisecondsWidth, std::string("3"), true); + setGlobally(ConfigurationType::PerformanceTracking, std::string("true"), true); + setGlobally(ConfigurationType::MaxLogFileSize, std::string("0"), true); + setGlobally(ConfigurationType::LogFlushThreshold, std::string("0"), true); + + setGlobally(ConfigurationType::Format, std::string("%datetime %level [%logger] %msg"), true); + set(Level::Debug, ConfigurationType::Format, std::string("%datetime %level [%logger] [%user@%host] [%func] [%loc] %msg")); + // INFO and WARNING are set to default by Level::Global + set(Level::Error, ConfigurationType::Format, std::string("%datetime %level [%logger] %msg")); + set(Level::Fatal, ConfigurationType::Format, std::string("%datetime %level [%logger] %msg")); + set(Level::Verbose, ConfigurationType::Format, std::string("%datetime %level-%vlevel [%logger] %msg")); + set(Level::Trace, ConfigurationType::Format, std::string("%datetime %level [%logger] [%func] [%loc] %msg")); + } + + /// @brief Lets you set the remaining configurations to default. + /// + /// @detail By remaining, it means that the level/type a configuration does not exist for. + /// This function is useful when you want to minimize chances of failures, e.g, if you have a configuration file that sets + /// configuration for all the configurations except for Enabled or not, we use this so that ENABLED is set to default i.e, + /// true. If you dont do this explicitley (either by calling this function or by using second param in Constructor + /// and try to access a value, an error is thrown + void setRemainingToDefault(void) { + base::threading::ScopedLock scopedLock(lock()); + unsafeSetIfNotExist(Level::Global, ConfigurationType::Enabled, std::string("true")); +#if !defined(ELPP_NO_DEFAULT_LOG_FILE) + unsafeSetIfNotExist(Level::Global, ConfigurationType::Filename, std::string(base::consts::kDefaultLogFile)); +#endif // !defined(ELPP_NO_DEFAULT_LOG_FILE) + unsafeSetIfNotExist(Level::Global, ConfigurationType::ToFile, std::string("true")); + unsafeSetIfNotExist(Level::Global, ConfigurationType::ToStandardOutput, std::string("true")); + unsafeSetIfNotExist(Level::Global, ConfigurationType::MillisecondsWidth, std::string("3")); + unsafeSetIfNotExist(Level::Global, ConfigurationType::PerformanceTracking, std::string("true")); + unsafeSetIfNotExist(Level::Global, ConfigurationType::MaxLogFileSize, std::string("0")); + unsafeSetIfNotExist(Level::Global, ConfigurationType::Format, std::string("%datetime %level [%logger] %msg")); + unsafeSetIfNotExist(Level::Debug, ConfigurationType::Format, + std::string("%datetime %level [%logger] [%user@%host] [%func] [%loc] %msg")); + // INFO and WARNING are set to default by Level::Global + unsafeSetIfNotExist(Level::Error, ConfigurationType::Format, std::string("%datetime %level [%logger] %msg")); + unsafeSetIfNotExist(Level::Fatal, ConfigurationType::Format, std::string("%datetime %level [%logger] %msg")); + unsafeSetIfNotExist(Level::Verbose, ConfigurationType::Format, std::string("%datetime %level-%vlevel [%logger] %msg")); + unsafeSetIfNotExist(Level::Trace, ConfigurationType::Format, std::string("%datetime %level [%logger] [%func] [%loc] %msg")); + } + + /// @brief Parser used internally to parse configurations from file or text. + /// + /// @detail This class makes use of base::utils::Str. + /// You should not need this unless you are working on some tool for Easylogging++ + class Parser : base::StaticClass { + public: + /// @brief Parses configuration from file. + /// @param configurationFile Full path to configuration file + /// @param sender Sender configurations pointer. Usually 'this' is used from calling class + /// @param base Configurations to base new configuration repository off. This value is used when you want to use + /// existing Configurations to base all the values and then set rest of configuration via configuration file. + /// @return True if successfully parsed, false otherwise. You may define '_STOP_ON_FIRSTELPP_ASSERTION' to make sure you + /// do not proceed without successful parse. + static bool parseFromFile(const std::string& configurationFile, Configurations* sender, Configurations* base = nullptr) { + sender->setFromBase(base); + std::ifstream fileStream_(configurationFile.c_str(), std::ifstream::in); + ELPP_ASSERT(fileStream_.is_open(), "Unable to open configuration file [" << configurationFile << "] for parsing."); + bool parsedSuccessfully = false; + std::string line = std::string(); + Level currLevel = Level::Unknown; + std::string currConfigStr = std::string(); + std::string currLevelStr = std::string(); + while (fileStream_.good()) { + std::getline(fileStream_, line); + parsedSuccessfully = parseLine(&line, &currConfigStr, &currLevelStr, &currLevel, sender); + ELPP_ASSERT(parsedSuccessfully, "Unable to parse configuration line: " << line); + } + return parsedSuccessfully; + } + + /// @brief Parse configurations from configuration string. + /// + /// @detail This configuration string has same syntax as configuration file contents. Make sure all the necessary + /// new line characters are provided. You may define '_STOP_ON_FIRSTELPP_ASSERTION' to make sure you + /// do not proceed without successful parse (This is recommended) + /// @param configurationsString + /// @param sender Sender configurations pointer. Usually 'this' is used from calling class + /// @param base Configurations to base new configuration repository off. This value is used when you want to use + /// existing Configurations to base all the values and then set rest of configuration via configuration text. + /// @return True if successfully parsed, false otherwise. + static bool parseFromText(const std::string& configurationsString, Configurations* sender, Configurations* base = nullptr) { + sender->setFromBase(base); + bool parsedSuccessfully = false; + std::stringstream ss(configurationsString); + std::string line = std::string(); + Level currLevel = Level::Unknown; + std::string currConfigStr = std::string(); + std::string currLevelStr = std::string(); + while (std::getline(ss, line)) { + parsedSuccessfully = parseLine(&line, &currConfigStr, &currLevelStr, &currLevel, sender); + ELPP_ASSERT(parsedSuccessfully, "Unable to parse configuration line: " << line); + } + return parsedSuccessfully; + } + + private: + friend class el::Loggers; + static void ignoreComments(std::string* line) { + std::size_t foundAt = 0; + std::size_t quotesStart = line->find("\""); + std::size_t quotesEnd = std::string::npos; + if (quotesStart != std::string::npos) { + quotesEnd = line->find("\"", quotesStart + 1); + while (quotesEnd != std::string::npos && line->at(quotesEnd - 1) == '\\') { + // Do not erase slash yet - we will erase it in parseLine(..) while loop + quotesEnd = line->find("\"", quotesEnd + 2); + } + } + if ((foundAt = line->find(base::consts::kConfigurationComment)) != std::string::npos) { + if (foundAt < quotesEnd) { + foundAt = line->find(base::consts::kConfigurationComment, quotesEnd + 1); + } + *line = line->substr(0, foundAt); + } + } + static inline bool isLevel(const std::string& line) { + return base::utils::Str::startsWith(line, std::string(base::consts::kConfigurationLevel)); + } + + static inline bool isComment(const std::string& line) { + return base::utils::Str::startsWith(line, std::string(base::consts::kConfigurationComment)); + } + + static inline bool isConfig(const std::string& line) { + std::size_t assignment = line.find('='); + return line != "" && + ((line[0] >= 65 && line[0] <= 90) || (line[0] >= 97 && line[0] <= 122)) && + (assignment != std::string::npos) && + (line.size() > assignment); + } + + static bool parseLine(std::string* line, std::string* currConfigStr, std::string* currLevelStr, Level* currLevel, Configurations* conf) { + ConfigurationType currConfig = ConfigurationType::Unknown; + std::string currValue = std::string(); + *line = base::utils::Str::trim(*line); + if (isComment(*line)) return true; + ignoreComments(line); + *line = base::utils::Str::trim(*line); + if (line->empty()) { + // Comment ignored + return true; + } + if (isLevel(*line)) { + if (line->size() <= 2) { + return true; + } + *currLevelStr = line->substr(1, line->size() - 2); + *currLevelStr = base::utils::Str::toUpper(*currLevelStr); + *currLevelStr = base::utils::Str::trim(*currLevelStr); + *currLevel = LevelHelper::convertFromString(currLevelStr->c_str()); + return true; + } + if (isConfig(*line)) { + std::size_t assignment = line->find('='); + *currConfigStr = line->substr(0, assignment); + *currConfigStr = base::utils::Str::toUpper(*currConfigStr); + *currConfigStr = base::utils::Str::trim(*currConfigStr); + currConfig = ConfigurationTypeHelper::convertFromString(currConfigStr->c_str()); + currValue = line->substr(assignment + 1); + currValue = base::utils::Str::trim(currValue); + std::size_t quotesStart = currValue.find("\"", 0); + std::size_t quotesEnd = std::string::npos; + if (quotesStart != std::string::npos) { + quotesEnd = currValue.find("\"", quotesStart + 1); + while (quotesEnd != std::string::npos && currValue.at(quotesEnd - 1) == '\\') { + currValue = currValue.erase(quotesEnd - 1, 1); + quotesEnd = currValue.find("\"", quotesEnd + 2); + } + } + if (quotesStart != std::string::npos && quotesEnd != std::string::npos) { + // Quote provided - check and strip if valid + ELPP_ASSERT((quotesStart < quotesEnd), "Configuration error - No ending quote found in [" + << currConfigStr << "]"); + ELPP_ASSERT((quotesStart + 1 != quotesEnd), "Empty configuration value for [" << currConfigStr << "]"); + if ((quotesStart != quotesEnd) && (quotesStart + 1 != quotesEnd)) { + // Explicit check in case if assertion is disabled + currValue = currValue.substr(quotesStart + 1, quotesEnd - 1); + } + } + } + ELPP_ASSERT(*currLevel != Level::Unknown, "Unrecognized severity level [" << *currLevelStr << "]"); + ELPP_ASSERT(currConfig != ConfigurationType::Unknown, "Unrecognized configuration [" << *currConfigStr << "]"); + if (*currLevel == Level::Unknown || currConfig == ConfigurationType::Unknown) { + return false; // unrecognizable level or config + } + conf->set(*currLevel, currConfig, currValue); + return true; + } + }; + +private: + std::string m_configurationFile; + bool m_isFromFile; + friend class el::Loggers; + + /// @brief Unsafely sets configuration if does not already exist + void unsafeSetIfNotExist(Level level, ConfigurationType configurationType, const std::string& value) { + Configuration* conf = RegistryWithPred::get(level, configurationType); + if (conf == nullptr) { + unsafeSet(level, configurationType, value); + } + } + + /// @brief Thread unsafe set + void unsafeSet(Level level, ConfigurationType configurationType, const std::string& value) { + Configuration* conf = RegistryWithPred::get(level, configurationType); + if (conf == nullptr) { + registerNew(new Configuration(level, configurationType, value)); + } else { + conf->setValue(value); + } + if (level == Level::Global) { + unsafeSetGlobally(configurationType, value, false); + } + } + + /// @brief Sets configurations for all levels including Level::Global if includeGlobalLevel is true + /// @see Configurations::setGlobally(ConfigurationType configurationType, const std::string& value) + void setGlobally(ConfigurationType configurationType, const std::string& value, bool includeGlobalLevel) { + if (includeGlobalLevel) { + set(Level::Global, configurationType, value); + } + base::type::EnumType lIndex = LevelHelper::kMinValid; + LevelHelper::forEachLevel(&lIndex, [&](void) -> bool { + set(LevelHelper::castFromInt(lIndex), configurationType, value); + return false; // Do not break lambda function yet as we need to set all levels regardless + }); + } + + /// @brief Sets configurations (Unsafely) for all levels including Level::Global if includeGlobalLevel is true + /// @see Configurations::setGlobally(ConfigurationType configurationType, const std::string& value) + void unsafeSetGlobally(ConfigurationType configurationType, const std::string& value, bool includeGlobalLevel) { + if (includeGlobalLevel) { + unsafeSet(Level::Global, configurationType, value); + } + base::type::EnumType lIndex = LevelHelper::kMinValid; + LevelHelper::forEachLevel(&lIndex, [&](void) -> bool { + unsafeSet(LevelHelper::castFromInt(lIndex), configurationType, value); + return false; // Do not break lambda function yet as we need to set all levels regardless + }); + } +}; + +namespace base { + typedef std::shared_ptr FileStreamPtr; + typedef std::map LogStreamsReferenceMap; + /// @brief Configurations with data types. + /// + /// @detail el::Configurations have string based values. This is whats used internally in order to read correct configurations. + /// This is to perform faster while writing logs using correct configurations. + /// + /// This is thread safe and final class containing non-virtual destructor (means nothing should inherit this class) + class TypedConfigurations : public base::threading::ThreadSafe { + public: + /// @brief Constructor to initialize (construct) the object off el::Configurations + /// @param configurations Configurations pointer/reference to base this typed configurations off. + /// @param logStreamsReference Use ELPP->registeredLoggers()->logStreamsReference() + TypedConfigurations(Configurations* configurations, base::LogStreamsReferenceMap* logStreamsReference) { + m_configurations = configurations; + m_logStreamsReference = logStreamsReference; + build(m_configurations); + } + + TypedConfigurations(const TypedConfigurations& other) { + this->m_configurations = other.m_configurations; + this->m_logStreamsReference = other.m_logStreamsReference; + build(m_configurations); + } + + virtual ~TypedConfigurations(void) { + } + + const Configurations* configurations(void) const { + return m_configurations; + } + + inline bool enabled(Level level) { + return getConfigByVal(level, &m_enabledMap, "enabled"); + } + + inline bool toFile(Level level) { + return getConfigByVal(level, &m_toFileMap, "toFile"); + } + + inline const std::string& filename(Level level) { + return getConfigByRef(level, &m_filenameMap, "filename"); + } + + inline bool toStandardOutput(Level level) { + return getConfigByVal(level, &m_toStandardOutputMap, "toStandardOutput"); + } + + inline const base::LogFormat& logFormat(Level level) { + return getConfigByRef(level, &m_logFormatMap, "logFormat"); + } + + inline const base::MillisecondsWidth& millisecondsWidth(Level level = Level::Global) { + return getConfigByRef(level, &m_millisecondsWidthMap, "millisecondsWidth"); + } + + inline bool performanceTracking(Level level = Level::Global) { + return getConfigByVal(level, &m_performanceTrackingMap, "performanceTracking"); + } + + inline base::type::fstream_t* fileStream(Level level) { + return getConfigByRef(level, &m_fileStreamMap, "fileStream").get(); + } + + inline std::size_t maxLogFileSize(Level level) { + return getConfigByVal(level, &m_maxLogFileSizeMap, "maxLogFileSize"); + } + + inline std::size_t logFlushThreshold(Level level) { + return getConfigByVal(level, &m_logFlushThresholdMap, "logFlushThreshold"); + } + + private: + Configurations* m_configurations; + std::map m_enabledMap; + std::map m_toFileMap; + std::map m_filenameMap; + std::map m_toStandardOutputMap; + std::map m_logFormatMap; + std::map m_millisecondsWidthMap; + std::map m_performanceTrackingMap; + std::map m_fileStreamMap; + std::map m_maxLogFileSizeMap; + std::map m_logFlushThresholdMap; + base::LogStreamsReferenceMap* m_logStreamsReference; + + friend class el::Helpers; + friend class el::base::MessageBuilder; + friend class el::base::Writer; + friend class el::base::DefaultLogDispatchCallback; + friend class el::base::LogDispatcher; + + template + inline Conf_T getConfigByVal(Level level, const std::map* confMap, const char* confName) { + base::threading::ScopedLock scopedLock(lock()); + return unsafeGetConfigByVal(level, confMap, confName); // This is not unsafe anymore - mutex locked in scope + } + + template + inline Conf_T& getConfigByRef(Level level, std::map* confMap, const char* confName) { + base::threading::ScopedLock scopedLock(lock()); + return unsafeGetConfigByRef(level, confMap, confName); // This is not unsafe anymore - mutex locked in scope + } + + template + inline Conf_T unsafeGetConfigByVal(Level level, const std::map* confMap, const char* confName) { + ELPP_UNUSED(confName); + typename std::map::const_iterator it = confMap->find(level); + if (it == confMap->end()) { + try { + return confMap->at(Level::Global); + } catch (...) { + ELPP_INTERNAL_ERROR("Unable to get configuration [" << confName << "] for level [" + << LevelHelper::convertToString(level) << "]" + << std::endl << "Please ensure you have properly configured logger.", false); + return Conf_T(); + } + } + return it->second; + } + + template + inline Conf_T& unsafeGetConfigByRef(Level level, std::map* confMap, const char* confName) { + ELPP_UNUSED(confName); + typename std::map::iterator it = confMap->find(level); + if (it == confMap->end()) { + try { + return confMap->at(Level::Global); + } catch (...) { + ELPP_INTERNAL_ERROR("Unable to get configuration [" << confName << "] for level [" + << LevelHelper::convertToString(level) << "]" + << std::endl << "Please ensure you have properly configured logger.", false); + } + } + return it->second; + } + + template + void setValue(Level level, const Conf_T& value, std::map* confMap, bool includeGlobalLevel = true) { + // If map is empty and we are allowed to add into generic level (Level::Global), do it! + if (confMap->empty() && includeGlobalLevel) { + confMap->insert(std::make_pair(Level::Global, value)); + return; + } + // If same value exist in generic level already, dont add it to explicit level + typename std::map::iterator it = confMap->find(Level::Global); + if (it != confMap->end() && it->second == value) { + return; + } + // Now make sure we dont double up values if we really need to add it to explicit level + it = confMap->find(level); + if (it == confMap->end()) { + // Value not found for level, add new + confMap->insert(std::make_pair(level, value)); + } else { + // Value found, just update value + confMap->at(level) = value; + } + } + + void build(Configurations* configurations) { + base::threading::ScopedLock scopedLock(lock()); + auto getBool = [] (std::string boolStr) -> bool { // Pass by value for trimming + base::utils::Str::trim(boolStr); + return (boolStr == "TRUE" || boolStr == "true" || boolStr == "1"); + }; + std::vector withFileSizeLimit; + for (Configurations::const_iterator it = configurations->begin(); it != configurations->end(); ++it) { + Configuration* conf = *it; + // We cannot use switch on strong enums because Intel C++ dont support them yet + if (conf->configurationType() == ConfigurationType::Enabled) { + setValue(conf->level(), getBool(conf->value()), &m_enabledMap); + } else if (conf->configurationType() == ConfigurationType::ToFile) { + setValue(conf->level(), getBool(conf->value()), &m_toFileMap); + } else if (conf->configurationType() == ConfigurationType::ToStandardOutput) { + setValue(conf->level(), getBool(conf->value()), &m_toStandardOutputMap); + } else if (conf->configurationType() == ConfigurationType::Filename) { + // We do not yet configure filename but we will configure in another + // loop. This is because if file cannot be created, we will force ToFile + // to be false. Because configuring logger is not necessarily performance + // sensative operation, we can live with another loop; (by the way this loop + // is not very heavy either) + } else if (conf->configurationType() == ConfigurationType::Format) { + setValue(conf->level(), base::LogFormat(conf->level(), + base::type::string_t(conf->value().begin(), conf->value().end())), &m_logFormatMap); + } else if (conf->configurationType() == ConfigurationType::MillisecondsWidth) { + setValue(Level::Global, + base::MillisecondsWidth(static_cast(getULong(conf->value()))), &m_millisecondsWidthMap); + } else if (conf->configurationType() == ConfigurationType::PerformanceTracking) { + setValue(Level::Global, getBool(conf->value()), &m_performanceTrackingMap); + } else if (conf->configurationType() == ConfigurationType::MaxLogFileSize) { + setValue(conf->level(), static_cast(getULong(conf->value())), &m_maxLogFileSizeMap); +#if !defined(ELPP_NO_DEFAULT_LOG_FILE) + withFileSizeLimit.push_back(conf); +#endif // !defined(ELPP_NO_DEFAULT_LOG_FILE) + } else if (conf->configurationType() == ConfigurationType::LogFlushThreshold) { + setValue(conf->level(), static_cast(getULong(conf->value())), &m_logFlushThresholdMap); + } + } + // As mentioned early, we will now set filename configuration in separate loop to deal with non-existent files + for (Configurations::const_iterator it = configurations->begin(); it != configurations->end(); ++it) { + Configuration* conf = *it; + if (conf->configurationType() == ConfigurationType::Filename) { + insertFile(conf->level(), conf->value()); + } + } + for (std::vector::iterator conf = withFileSizeLimit.begin(); + conf != withFileSizeLimit.end(); ++conf) { + // This is not unsafe as mutex is locked in currect scope + unsafeValidateFileRolling((*conf)->level(), base::defaultPreRollOutCallback); + } + } + + unsigned long getULong(std::string confVal) { + bool valid = true; + base::utils::Str::trim(confVal); + valid = !confVal.empty() && std::find_if(confVal.begin(), confVal.end(), + [](char c) { return !base::utils::Str::isDigit(c); }) == confVal.end(); + if (!valid) { + valid = false; + ELPP_ASSERT(valid, "Configuration value not a valid integer [" << confVal << "]"); + return 0; + } + return atol(confVal.c_str()); + } + + std::string resolveFilename(const std::string& filename) { + std::string resultingFilename = filename; + std::size_t dateIndex = std::string::npos; + std::string dateTimeFormatSpecifierStr = std::string(base::consts::kDateTimeFormatSpecifierForFilename); + if ((dateIndex = resultingFilename.find(dateTimeFormatSpecifierStr.c_str())) != std::string::npos) { + while (dateIndex > 0 && resultingFilename[dateIndex - 1] == base::consts::kFormatSpecifierChar) { + dateIndex = resultingFilename.find(dateTimeFormatSpecifierStr.c_str(), dateIndex + 1); + } + if (dateIndex != std::string::npos) { + const char* ptr = resultingFilename.c_str() + dateIndex; + // Goto end of specifier + ptr += dateTimeFormatSpecifierStr.size(); + std::string fmt; + if ((resultingFilename.size() > dateIndex) && (ptr[0] == '{')) { + // User has provided format for date/time + ++ptr; + int count = 1; // Start by 1 in order to remove starting brace + std::stringstream ss; + for (; *ptr; ++ptr, ++count) { + if (*ptr == '}') { + ++count; // In order to remove ending brace + break; + } + ss << *ptr; + } + resultingFilename.erase(dateIndex + dateTimeFormatSpecifierStr.size(), count); + fmt = ss.str(); + } else { + fmt = std::string(base::consts::kDefaultDateTimeFormatInFilename); + } + base::MillisecondsWidth msWidth(3); + std::string now = base::utils::DateTime::getDateTime(fmt.c_str(), &msWidth); + base::utils::Str::replaceAll(now, '/', '-'); // Replace path element since we are dealing with filename + base::utils::Str::replaceAll(resultingFilename, dateTimeFormatSpecifierStr, now); + } + } + return resultingFilename; + } + + void insertFile(Level level, const std::string& fullFilename) { + std::string resolvedFilename = resolveFilename(fullFilename); + if (resolvedFilename.empty()) { + std::cerr << "Could not load empty file for logging, please re-check your configurations for level [" + << LevelHelper::convertToString(level) << "]"; + } + std::string filePath = base::utils::File::extractPathFromFilename(resolvedFilename, base::consts::kFilePathSeperator); + if (filePath.size() < resolvedFilename.size()) { + base::utils::File::createPath(filePath); + } + auto create = [&](Level level) { + base::LogStreamsReferenceMap::iterator filestreamIter = m_logStreamsReference->find(resolvedFilename); + base::type::fstream_t* fs = nullptr; + if (filestreamIter == m_logStreamsReference->end()) { + // We need a completely new stream, nothing to share with + fs = base::utils::File::newFileStream(resolvedFilename); + m_filenameMap.insert(std::make_pair(level, resolvedFilename)); + m_fileStreamMap.insert(std::make_pair(level, base::FileStreamPtr(fs))); + m_logStreamsReference->insert(std::make_pair(resolvedFilename, base::FileStreamPtr(m_fileStreamMap.at(level)))); + } else { + // Woops! we have an existing one, share it! + m_filenameMap.insert(std::make_pair(level, filestreamIter->first)); + m_fileStreamMap.insert(std::make_pair(level, base::FileStreamPtr(filestreamIter->second))); + fs = filestreamIter->second.get(); + } + if (fs == nullptr) { + // We display bad file error from newFileStream() + ELPP_INTERNAL_ERROR("Setting [TO_FILE] of [" + << LevelHelper::convertToString(level) << "] to FALSE", false); + setValue(level, false, &m_toFileMap); + } + }; + // If we dont have file conf for any level, create it for Level::Global first + // otherwise create for specified level + create(m_filenameMap.empty() && m_fileStreamMap.empty() ? Level::Global : level); + } + + bool unsafeValidateFileRolling(Level level, const PreRollOutCallback& PreRollOutCallback) { + base::type::fstream_t* fs = unsafeGetConfigByRef(level, &m_fileStreamMap, "fileStream").get(); + if (fs == nullptr) { + return true; + } + std::size_t maxLogFileSize = unsafeGetConfigByVal(level, &m_maxLogFileSizeMap, "maxLogFileSize"); + std::size_t currFileSize = base::utils::File::getSizeOfFile(fs); + if (maxLogFileSize != 0 && currFileSize >= maxLogFileSize) { + std::string fname = unsafeGetConfigByRef(level, &m_filenameMap, "filename"); + ELPP_INTERNAL_INFO(1, "Truncating log file [" << fname << "] as a result of configurations for level [" + << LevelHelper::convertToString(level) << "]"); + fs->close(); + PreRollOutCallback(fname.c_str(), currFileSize); + fs->open(fname, std::fstream::out | std::fstream::trunc); + return true; + } + return false; + } + + bool validateFileRolling(Level level, const PreRollOutCallback& PreRollOutCallback) { + base::threading::ScopedLock scopedLock(lock()); + return unsafeValidateFileRolling(level, PreRollOutCallback); + } + }; + /// @brief Class that keeps record of current line hit for occasional logging + class HitCounter { + public: + HitCounter(void) : + m_filename(""), + m_lineNumber(0), + m_hitCounts(0) { + } + + HitCounter(const char* filename, unsigned long int lineNumber) : + m_filename(filename), + m_lineNumber(lineNumber), + m_hitCounts(0) { + } + + HitCounter(const HitCounter& hitCounter) : + m_filename(hitCounter.m_filename), + m_lineNumber(hitCounter.m_lineNumber), + m_hitCounts(hitCounter.m_hitCounts) { + } + + HitCounter& operator=(const HitCounter& hitCounter) { + m_filename = hitCounter.m_filename; + m_lineNumber = hitCounter.m_lineNumber; + m_hitCounts = hitCounter.m_hitCounts; + return *this; + } + + virtual ~HitCounter(void) { + } + + /// @brief Resets location of current hit counter + inline void resetLocation(const char* filename, unsigned long int lineNumber) { + m_filename = filename; + m_lineNumber = lineNumber; + } + + /// @brief Validates hit counts and resets it if necessary + inline void validateHitCounts(std::size_t n) { + if (m_hitCounts >= base::consts::kMaxLogPerCounter) { + m_hitCounts = (n >= 1 ? base::consts::kMaxLogPerCounter % n : 0); + } + ++m_hitCounts; + } + + inline const char* filename(void) const { + return m_filename; + } + + inline unsigned long int lineNumber(void) const { + return m_lineNumber; + } + + inline std::size_t hitCounts(void) const { + return m_hitCounts; + } + + inline void increment(void) { + ++m_hitCounts; + } + + class Predicate { + public: + Predicate(const char* filename, unsigned long int lineNumber) + : m_filename(filename), + m_lineNumber(lineNumber) { + } + inline bool operator()(const HitCounter* counter) { + return ((counter != nullptr) && + (strcmp(counter->m_filename, m_filename) == 0) && + (counter->m_lineNumber == m_lineNumber)); + } + + private: + const char* m_filename; + unsigned long int m_lineNumber; + }; + + private: + const char* m_filename; + unsigned long int m_lineNumber; + std::size_t m_hitCounts; + }; + /// @brief Repository for hit counters used across the application + class RegisteredHitCounters : public base::utils::RegistryWithPred { + public: + /// @brief Validates counter for every N, i.e, registers new if does not exist otherwise updates original one + /// @return True if validation resulted in triggering hit. Meaning logs should be written everytime true is returned + bool validateEveryN(const char* filename, unsigned long int lineNumber, std::size_t n) { + base::threading::ScopedLock scopedLock(lock()); + base::HitCounter* counter = get(filename, lineNumber); + if (counter == nullptr) { + registerNew(counter = new base::HitCounter(filename, lineNumber)); + } + counter->validateHitCounts(n); + bool result = (n >= 1 && counter->hitCounts() != 0 && counter->hitCounts() % n == 0); + return result; + } + + /// @brief Validates counter for hits >= N, i.e, registers new if does not exist otherwise updates original one + /// @return True if validation resulted in triggering hit. Meaning logs should be written everytime true is returned + bool validateAfterN(const char* filename, unsigned long int lineNumber, std::size_t n) { + base::threading::ScopedLock scopedLock(lock()); + base::HitCounter* counter = get(filename, lineNumber); + if (counter == nullptr) { + registerNew(counter = new base::HitCounter(filename, lineNumber)); + } + // Do not use validateHitCounts here since we do not want to reset counter here + // Note the >= instead of > because we are incrementing + // after this check + if (counter->hitCounts() >= n) + return true; + counter->increment(); + return false; + } + + /// @brief Validates counter for hits are <= n, i.e, registers new if does not exist otherwise updates original one + /// @return True if validation resulted in triggering hit. Meaning logs should be written everytime true is returned + bool validateNTimes(const char* filename, unsigned long int lineNumber, std::size_t n) { + base::threading::ScopedLock scopedLock(lock()); + base::HitCounter* counter = get(filename, lineNumber); + if (counter == nullptr) { + registerNew(counter = new base::HitCounter(filename, lineNumber)); + } + counter->increment(); + // Do not use validateHitCounts here since we do not want to reset counter here + if (counter->hitCounts() <= n) + return true; + return false; + } + + /// @brief Gets hit counter registered at specified position + inline const base::HitCounter* getCounter(const char* filename, unsigned long int lineNumber) { + base::threading::ScopedLock scopedLock(lock()); + return get(filename, lineNumber); + } + }; + /// @brief Action to be taken for dispatching + enum class DispatchAction : base::type::EnumType { + None = 1, NormalLog = 2, SysLog = 4 + }; + } // namespace base + template + class Callback : protected base::threading::ThreadSafe { + public: + Callback(void) : m_enabled(true) {} + inline bool enabled(void) const { return m_enabled; } + inline void setEnabled(bool enabled) { + base::threading::ScopedLock scopedLock(lock()); + m_enabled = enabled; + } + protected: + virtual void handle(const T* handlePtr) = 0; + private: + bool m_enabled; + }; + class LogDispatchData { + public: + LogDispatchData() : m_logMessage(nullptr), m_dispatchAction(base::DispatchAction::None) {} + inline const LogMessage* logMessage(void) const { return m_logMessage; } + inline base::DispatchAction dispatchAction(void) const { return m_dispatchAction; } + private: + LogMessage* m_logMessage; + base::DispatchAction m_dispatchAction; + friend class base::LogDispatcher; + + inline void setLogMessage(LogMessage* logMessage) { m_logMessage = logMessage; } + inline void setDispatchAction(base::DispatchAction dispatchAction) { m_dispatchAction = dispatchAction; } + }; + class LogDispatchCallback : public Callback { + private: + friend class base::LogDispatcher; + }; + class PerformanceTrackingCallback : public Callback { + private: + friend class base::PerformanceTracker; + }; + class LogBuilder : base::NoCopy { + public: + virtual ~LogBuilder(void) { ELPP_INTERNAL_INFO(3, "Destroying log builder...")} + virtual base::type::string_t build(const LogMessage* logMessage, bool appendNewLine) const = 0; + void convertToColoredOutput(base::type::string_t* logLine, Level level) { + if (!base::utils::s_termSupportsColor) return; + const base::type::char_t* resetColor = ELPP_LITERAL("\x1b[0m"); + if (level == Level::Error || level == Level::Fatal) + *logLine = ELPP_LITERAL("\x1b[31m") + *logLine + resetColor; + else if (level == Level::Warning) + *logLine = ELPP_LITERAL("\x1b[33m") + *logLine + resetColor; + else if (level == Level::Debug) + *logLine = ELPP_LITERAL("\x1b[32m") + *logLine + resetColor; + else if (level == Level::Info) + *logLine = ELPP_LITERAL("\x1b[36m") + *logLine + resetColor; + else if (level == Level::Trace) + *logLine = ELPP_LITERAL("\x1b[35m") + *logLine + resetColor; + } + private: + friend class el::base::DefaultLogDispatchCallback; + }; + typedef std::shared_ptr LogBuilderPtr; + /// @brief Represents a logger holding ID and configurations we need to write logs + /// + /// @detail This class does not write logs itself instead its used by writer to read configuations from. + class Logger : public base::threading::ThreadSafe, public Loggable { + public: + Logger(const std::string& id, base::LogStreamsReferenceMap* logStreamsReference) : + m_id(id), + m_typedConfigurations(nullptr), + m_parentApplicationName(std::string()), + m_isConfigured(false), + m_logStreamsReference(logStreamsReference) { + initUnflushedCount(); + } + + Logger(const std::string& id, const Configurations& configurations, base::LogStreamsReferenceMap* logStreamsReference) : + m_id(id), + m_typedConfigurations(nullptr), + m_parentApplicationName(std::string()), + m_isConfigured(false), + m_logStreamsReference(logStreamsReference) { + initUnflushedCount(); + configure(configurations); + } + + Logger(const Logger& logger) { + base::utils::safeDelete(m_typedConfigurations); + m_id = logger.m_id; + m_typedConfigurations = logger.m_typedConfigurations; + m_parentApplicationName = logger.m_parentApplicationName; + m_isConfigured = logger.m_isConfigured; + m_configurations = logger.m_configurations; + m_unflushedCount = logger.m_unflushedCount; + m_logStreamsReference = logger.m_logStreamsReference; + } + + Logger& operator=(const Logger& logger) { + base::utils::safeDelete(m_typedConfigurations); + m_id = logger.m_id; + m_typedConfigurations = logger.m_typedConfigurations; + m_parentApplicationName = logger.m_parentApplicationName; + m_isConfigured = logger.m_isConfigured; + m_configurations = logger.m_configurations; + m_unflushedCount = logger.m_unflushedCount; + m_logStreamsReference = logger.m_logStreamsReference; + return *this; + } + + virtual ~Logger(void) { + base::utils::safeDelete(m_typedConfigurations); + } + + virtual inline void log(el::base::type::ostream_t& os) const { + os << m_id.c_str(); + } + + /// @brief Configures the logger using specified configurations. + void configure(const Configurations& configurations) { + m_isConfigured = false; // we set it to false in case if we fail + initUnflushedCount(); + if (m_typedConfigurations != nullptr) { + Configurations* c = const_cast(m_typedConfigurations->configurations()); + if (c->hasConfiguration(Level::Global, ConfigurationType::Filename)) { + // This check is definitely needed for cases like ELPP_NO_DEFAULT_LOG_FILE + flush(); + } + } + base::threading::ScopedLock scopedLock(lock()); + if (m_configurations != configurations) { + m_configurations.setFromBase(const_cast(&configurations)); + } + base::utils::safeDelete(m_typedConfigurations); + m_typedConfigurations = new base::TypedConfigurations(&m_configurations, m_logStreamsReference); + resolveLoggerFormatSpec(); + m_isConfigured = true; + } + + /// @brief Reconfigures logger using existing configurations + inline void reconfigure(void) { + ELPP_INTERNAL_INFO(1, "Reconfiguring logger [" << m_id << "]"); + configure(m_configurations); + } + + inline const std::string& id(void) const { + return m_id; + } + + inline const std::string& parentApplicationName(void) const { + return m_parentApplicationName; + } + + inline void setParentApplicationName(const std::string& parentApplicationName) { + m_parentApplicationName = parentApplicationName; + } + + inline Configurations* configurations(void) { + return &m_configurations; + } + + inline base::TypedConfigurations* typedConfigurations(void) { + return m_typedConfigurations; + } + + static inline bool isValidId(const std::string& id) { + for (std::string::const_iterator it = id.begin(); it != id.end(); ++it) { + if (!base::utils::Str::contains(base::consts::kValidLoggerIdSymbols, *it)) { + return false; + } + } + return true; + } + /// @brief Flushes logger to sync all log files for all levels + inline void flush(void) { + ELPP_INTERNAL_INFO(3, "Flushing logger [" << m_id << "] all levels"); + base::threading::ScopedLock scopedLock(lock()); + base::type::EnumType lIndex = LevelHelper::kMinValid; + LevelHelper::forEachLevel(&lIndex, [&](void) -> bool { + flush(LevelHelper::castFromInt(lIndex), nullptr); + return false; + }); + } + + inline void flush(Level level, base::type::fstream_t* fs) { + if (fs == nullptr && m_typedConfigurations->toFile(level)) { + fs = m_typedConfigurations->fileStream(level); + } + if (fs != nullptr) { + fs->flush(); + m_unflushedCount.find(level)->second = 0; + } + } + + inline bool isFlushNeeded(Level level) { + return ++m_unflushedCount.find(level)->second >= m_typedConfigurations->logFlushThreshold(level); + } + + inline LogBuilder* logBuilder(void) const { + return m_logBuilder.get(); + } + + inline void setLogBuilder(const LogBuilderPtr& logBuilder) { + m_logBuilder = logBuilder; + } + + inline bool enabled(Level level) const { + return m_typedConfigurations->enabled(level); + } + +#if ELPP_VARIADIC_TEMPLATES_SUPPORTED +# define LOGGER_LEVEL_WRITERS_SIGNATURES(FUNCTION_NAME)\ +template \ +inline void FUNCTION_NAME(const char*, const T&, const Args&...);\ +template \ +inline void FUNCTION_NAME(const T&); + + template + inline void verbose(int, const char*, const T&, const Args&...); + + template + inline void verbose(int, const T&); + + LOGGER_LEVEL_WRITERS_SIGNATURES(info) + LOGGER_LEVEL_WRITERS_SIGNATURES(debug) + LOGGER_LEVEL_WRITERS_SIGNATURES(warn) + LOGGER_LEVEL_WRITERS_SIGNATURES(error) + LOGGER_LEVEL_WRITERS_SIGNATURES(fatal) + LOGGER_LEVEL_WRITERS_SIGNATURES(trace) +# undef LOGGER_LEVEL_WRITERS_SIGNATURES +#endif // ELPP_VARIADIC_TEMPLATES_SUPPORTED + private: + std::string m_id; + base::TypedConfigurations* m_typedConfigurations; + base::type::stringstream_t m_stream; + std::string m_parentApplicationName; + bool m_isConfigured; + Configurations m_configurations; + std::map m_unflushedCount; + base::LogStreamsReferenceMap* m_logStreamsReference; + LogBuilderPtr m_logBuilder; + + friend class el::LogMessage; + friend class el::Loggers; + friend class el::Helpers; + friend class el::base::RegisteredLoggers; + friend class el::base::DefaultLogDispatchCallback; + friend class el::base::MessageBuilder; + friend class el::base::Writer; + friend class el::base::PErrorWriter; + friend class el::base::Storage; + friend class el::base::PerformanceTracker; + friend class el::base::LogDispatcher; + + Logger(void); + +#if ELPP_VARIADIC_TEMPLATES_SUPPORTED + template + void log_(Level, int, const char*, const T&, const Args&...); + + template + inline void log_(Level, int, const T&); + + template + void log(Level, const char*, const T&, const Args&...); + + template + inline void log(Level, const T&); +#endif // ELPP_VARIADIC_TEMPLATES_SUPPORTED + + void initUnflushedCount(void) { + m_unflushedCount.clear(); + base::type::EnumType lIndex = LevelHelper::kMinValid; + LevelHelper::forEachLevel(&lIndex, [&](void) -> bool { + m_unflushedCount.insert(std::make_pair(LevelHelper::castFromInt(lIndex), 0)); + return false; + }); + } + + inline base::type::stringstream_t& stream(void) { + return m_stream; + } + + void resolveLoggerFormatSpec(void) const { + base::type::EnumType lIndex = LevelHelper::kMinValid; + LevelHelper::forEachLevel(&lIndex, [&](void) -> bool { + base::LogFormat* logFormat = + const_cast(&m_typedConfigurations->logFormat(LevelHelper::castFromInt(lIndex))); + base::utils::Str::replaceFirstWithEscape(logFormat->m_format, base::consts::kLoggerIdFormatSpecifier, m_id); + return false; + }); + } + }; + namespace base { + /// @brief Loggers repository + class RegisteredLoggers : public base::utils::Registry { + public: + explicit RegisteredLoggers(const LogBuilderPtr& defaultLogBuilder) : + m_defaultLogBuilder(defaultLogBuilder) { + m_defaultConfigurations.setToDefault(); + } + + virtual ~RegisteredLoggers(void) { + unsafeFlushAll(); + } + + inline void setDefaultConfigurations(const Configurations& configurations) { + base::threading::ScopedLock scopedLock(lock()); + m_defaultConfigurations.setFromBase(const_cast(&configurations)); + } + + inline Configurations* defaultConfigurations(void) { + return &m_defaultConfigurations; + } + + Logger* get(const std::string& id, bool forceCreation = true) { + base::threading::ScopedLock scopedLock(lock()); + Logger* logger_ = base::utils::Registry::get(id); + if (logger_ == nullptr && forceCreation) { + bool validId = Logger::isValidId(id); + if (!validId) { + ELPP_ASSERT(validId, "Invalid logger ID [" << id << "]. Not registering this logger."); + return nullptr; + } + logger_ = new Logger(id, m_defaultConfigurations, &m_logStreamsReference); + logger_->m_logBuilder = m_defaultLogBuilder; + registerNew(id, logger_); + } + return logger_; + } + + bool remove(const std::string& id) { + if (id == "default") { + return false; + } + Logger* logger = base::utils::Registry::get(id); + if (logger != nullptr) { + unregister(logger); + } + return true; + } + + inline bool has(const std::string& id) { + return get(id, false) != nullptr; + } + + inline void unregister(Logger*& logger) { + base::threading::ScopedLock scopedLock(lock()); + base::utils::Registry::unregister(logger->id()); + } + + inline base::LogStreamsReferenceMap* logStreamsReference(void) { + return &m_logStreamsReference; + } + + inline void flushAll(void) { + base::threading::ScopedLock scopedLock(lock()); + unsafeFlushAll(); + } + + private: + LogBuilderPtr m_defaultLogBuilder; + Configurations m_defaultConfigurations; + base::LogStreamsReferenceMap m_logStreamsReference; + friend class el::base::Storage; + + inline void unsafeFlushAll(void) { + ELPP_INTERNAL_INFO(1, "Flushing all log files"); + for (base::LogStreamsReferenceMap::iterator it = m_logStreamsReference.begin(); + it != m_logStreamsReference.end(); ++it) { + if (it->second.get() == nullptr) continue; + it->second->flush(); + } + } + }; + /// @brief Represents registries for verbose logging + class VRegistry : base::NoCopy, public base::threading::ThreadSafe { + public: + explicit VRegistry(base::type::VerboseLevel level, base::type::EnumType* pFlags) : m_level(level), m_pFlags(pFlags) { + } + + /// @brief Sets verbose level. Accepted range is 0-9 + inline void setLevel(base::type::VerboseLevel level) { + base::threading::ScopedLock scopedLock(lock()); + if (level < 0) + m_level = 0; + else if (level > 9) + m_level = base::consts::kMaxVerboseLevel; + else + m_level = level; + } + + inline base::type::VerboseLevel level(void) const { + return m_level; + } + + inline void clearModules(void) { + base::threading::ScopedLock scopedLock(lock()); + m_modules.clear(); + } + + void setModules(const char* modules) { + base::threading::ScopedLock scopedLock(lock()); + auto addSuffix = [](std::stringstream& ss, const char* sfx, const char* prev) { + if (prev != nullptr && base::utils::Str::endsWith(ss.str(), std::string(prev))) { + std::string chr(ss.str().substr(0, ss.str().size() - strlen(prev))); + ss.str(std::string("")); + ss << chr; + } + if (base::utils::Str::endsWith(ss.str(), std::string(sfx))) { + std::string chr(ss.str().substr(0, ss.str().size() - strlen(sfx))); + ss.str(std::string("")); + ss << chr; + } + ss << sfx; + }; + auto insert = [&](std::stringstream& ss, base::type::VerboseLevel level) { + if (!base::utils::hasFlag(LoggingFlag::DisableVModulesExtensions, *m_pFlags)) { + addSuffix(ss, ".h", nullptr); + m_modules.insert(std::make_pair(ss.str(), level)); + addSuffix(ss, ".c", ".h"); + m_modules.insert(std::make_pair(ss.str(), level)); + addSuffix(ss, ".cpp", ".c"); + m_modules.insert(std::make_pair(ss.str(), level)); + addSuffix(ss, ".cc", ".cpp"); + m_modules.insert(std::make_pair(ss.str(), level)); + addSuffix(ss, ".cxx", ".cc"); + m_modules.insert(std::make_pair(ss.str(), level)); + addSuffix(ss, ".-inl.h", ".cxx"); + m_modules.insert(std::make_pair(ss.str(), level)); + addSuffix(ss, ".hxx", ".-inl.h"); + m_modules.insert(std::make_pair(ss.str(), level)); + addSuffix(ss, ".hpp", ".hxx"); + m_modules.insert(std::make_pair(ss.str(), level)); + addSuffix(ss, ".hh", ".hpp"); + } + m_modules.insert(std::make_pair(ss.str(), level)); + }; + bool isMod = true; + bool isLevel = false; + std::stringstream ss; + int level = -1; + for (; *modules; ++modules) { + switch (*modules) { + case '=': + isLevel = true; + isMod = false; + break; + case ',': + isLevel = false; + isMod = true; + if (!ss.str().empty() && level != -1) { + insert(ss, level); + ss.str(std::string("")); + level = -1; + } + break; + default: + if (isMod) { + ss << *modules; + } else if (isLevel) { + if (isdigit(*modules)) { + level = static_cast(*modules) - 48; + } + } + break; + } + } + if (!ss.str().empty() && level != -1) { + insert(ss, level); + } + } + + bool allowed(base::type::VerboseLevel vlevel, const char* file) { + base::threading::ScopedLock scopedLock(lock()); + if (m_modules.empty() || file == nullptr) { + return vlevel <= m_level; + } else { + std::map::iterator it = m_modules.begin(); + for (; it != m_modules.end(); ++it) { + if (base::utils::Str::wildCardMatch(file, it->first.c_str())) { + return vlevel <= it->second; + } + } + if (base::utils::hasFlag(LoggingFlag::AllowVerboseIfModuleNotSpecified, *m_pFlags)) { + return true; + } + return false; + } + } + + inline const std::map& modules(void) const { + return m_modules; + } + + void setFromArgs(const base::utils::CommandLineArgs* commandLineArgs) { + if (commandLineArgs->hasParam("-v") || commandLineArgs->hasParam("--verbose") || + commandLineArgs->hasParam("-V") || commandLineArgs->hasParam("--VERBOSE")) { + setLevel(base::consts::kMaxVerboseLevel); + } else if (commandLineArgs->hasParamWithValue("--v")) { + setLevel(atoi(commandLineArgs->getParamValue("--v"))); + } else if (commandLineArgs->hasParamWithValue("--V")) { + setLevel(atoi(commandLineArgs->getParamValue("--V"))); + } else if ((commandLineArgs->hasParamWithValue("-vmodule")) && vModulesEnabled()) { + setModules(commandLineArgs->getParamValue("-vmodule")); + } else if (commandLineArgs->hasParamWithValue("-VMODULE") && vModulesEnabled()) { + setModules(commandLineArgs->getParamValue("-VMODULE")); + } + } + + /// @brief Whether or not vModules enabled + inline bool vModulesEnabled(void) { + return !base::utils::hasFlag(LoggingFlag::DisableVModules, *m_pFlags); + } + + private: + base::type::VerboseLevel m_level; + base::type::EnumType* m_pFlags; + std::map m_modules; + }; + } // namespace base + class LogMessage { + public: + LogMessage(Level level, const std::string& file, unsigned long int line, const std::string& func, + base::type::VerboseLevel verboseLevel, Logger* logger) : + m_level(level), m_file(file), m_line(line), m_func(func), + m_verboseLevel(verboseLevel), m_logger(logger), m_message(logger->stream().str()) { + } + inline Level level(void) const { return m_level; } + inline const std::string& file(void) const { return m_file; } + inline unsigned long int line(void) const { return m_line; } // NOLINT + inline const std::string& func(void) const { return m_func; } + inline base::type::VerboseLevel verboseLevel(void) const { return m_verboseLevel; } + inline Logger* logger(void) const { return m_logger; } + inline const base::type::string_t& message(void) const { return m_message; } + private: + Level m_level; + std::string m_file; + unsigned long int m_line; + std::string m_func; + base::type::VerboseLevel m_verboseLevel; + Logger* m_logger; + base::type::string_t m_message; + }; + namespace base { +#if ELPP_ASYNC_LOGGING + class AsyncLogItem { + public: + explicit AsyncLogItem(const LogMessage& logMessage, const LogDispatchData& data, const base::type::string_t& logLine) + : m_logMessage(logMessage), m_dispatchData(data), m_logLine(logLine) {} + virtual ~AsyncLogItem() {} + inline LogMessage* logMessage(void) { return &m_logMessage; } + inline LogDispatchData* data(void) { return &m_dispatchData; } + inline base::type::string_t logLine(void) { return m_logLine; } + private: + LogMessage m_logMessage; + LogDispatchData m_dispatchData; + base::type::string_t m_logLine; + }; + class AsyncLogQueue : public base::threading::ThreadSafe { + public: + virtual ~AsyncLogQueue() { + ELPP_INTERNAL_INFO(6, "~AsyncLogQueue"); + } + + inline AsyncLogItem next(void) { + base::threading::ScopedLock scopedLock(lock()); + AsyncLogItem result = m_queue.front(); + m_queue.pop(); + return result; + } + + inline void push(const AsyncLogItem& item) { + base::threading::ScopedLock scopedLock(lock()); + m_queue.push(item); + } + inline void pop(void) { + base::threading::ScopedLock scopedLock(lock()); + m_queue.pop(); + } + inline AsyncLogItem front(void) { + base::threading::ScopedLock scopedLock(lock()); + return m_queue.front(); + } + inline bool empty(void) { + base::threading::ScopedLock scopedLock(lock()); + return m_queue.empty(); + } + private: + std::queue m_queue; + }; + class IWorker { + public: + virtual ~IWorker() {} + virtual void start() = 0; + }; +#endif // ELPP_ASYNC_LOGGING + /// @brief Easylogging++ management storage + class Storage : base::NoCopy, public base::threading::ThreadSafe { + public: +#if ELPP_ASYNC_LOGGING + Storage(const LogBuilderPtr& defaultLogBuilder, base::IWorker* asyncDispatchWorker) : +#else + explicit Storage(const LogBuilderPtr& defaultLogBuilder) : +#endif // ELPP_ASYNC_LOGGING + m_registeredHitCounters(new base::RegisteredHitCounters()), + m_registeredLoggers(new base::RegisteredLoggers(defaultLogBuilder)), + m_flags(0x0), + m_vRegistry(new base::VRegistry(0, &m_flags)), +#if ELPP_ASYNC_LOGGING + m_asyncLogQueue(new base::AsyncLogQueue()), + m_asyncDispatchWorker(asyncDispatchWorker), +#endif // ELPP_ASYNC_LOGGING + m_preRollOutCallback(base::defaultPreRollOutCallback) { + // Register default logger + m_registeredLoggers->get(std::string(base::consts::kDefaultLoggerId)); + // Register performance logger and reconfigure format + Logger* performanceLogger = m_registeredLoggers->get(std::string(base::consts::kPerformanceLoggerId)); + performanceLogger->configurations()->setGlobally(ConfigurationType::Format, std::string("%datetime %level %msg")); + performanceLogger->reconfigure(); +#if defined(ELPP_SYSLOG) + // Register syslog logger and reconfigure format + Logger* sysLogLogger = m_registeredLoggers->get(std::string(base::consts::kSysLogLoggerId)); + sysLogLogger->configurations()->setGlobally(ConfigurationType::Format, std::string("%level: %msg")); + sysLogLogger->reconfigure(); +#endif // defined(ELPP_SYSLOG) + addFlag(LoggingFlag::AllowVerboseIfModuleNotSpecified); +#if ELPP_ASYNC_LOGGING + installLogDispatchCallback(std::string("AsyncLogDispatchCallback")); +#else + installLogDispatchCallback(std::string("DefaultLogDispatchCallback")); +#endif // ELPP_ASYNC_LOGGING + installPerformanceTrackingCallback(std::string("DefaultPerformanceTrackingCallback")); + ELPP_INTERNAL_INFO(1, "Easylogging++ has been initialized"); +#if ELPP_ASYNC_LOGGING + m_asyncDispatchWorker->start(); +#endif // ELPP_ASYNC_LOGGING + } + + virtual ~Storage(void) { + ELPP_INTERNAL_INFO(4, "Destroying storage"); +#if ELPP_ASYNC_LOGGING + ELPP_INTERNAL_INFO(5, "Replacing log dispatch callback to synchronous"); + uninstallLogDispatchCallback(std::string("AsyncLogDispatchCallback")); + installLogDispatchCallback(std::string("DefaultLogDispatchCallback")); + ELPP_INTERNAL_INFO(5, "Destroying asyncDispatchWorker"); + base::utils::safeDelete(m_asyncDispatchWorker); + ELPP_INTERNAL_INFO(5, "Destroying asyncLogQueue"); + base::utils::safeDelete(m_asyncLogQueue); +#endif // ELPP_ASYNC_LOGGING + ELPP_INTERNAL_INFO(5, "Destroying registeredHitCounters"); + base::utils::safeDelete(m_registeredHitCounters); + ELPP_INTERNAL_INFO(5, "Destroying registeredLoggers"); + base::utils::safeDelete(m_registeredLoggers); + ELPP_INTERNAL_INFO(5, "Destroying vRegistry"); + base::utils::safeDelete(m_vRegistry); + } + + inline bool validateEveryNCounter(const char* filename, unsigned long int lineNumber, std::size_t occasion) { + return hitCounters()->validateEveryN(filename, lineNumber, occasion); + } + + inline bool validateAfterNCounter(const char* filename, unsigned long int lineNumber, std::size_t n) { // NOLINT + return hitCounters()->validateAfterN(filename, lineNumber, n); + } + + inline bool validateNTimesCounter(const char* filename, unsigned long int lineNumber, std::size_t n) { // NOLINT + return hitCounters()->validateNTimes(filename, lineNumber, n); + } + + inline base::RegisteredHitCounters* hitCounters(void) const { + return m_registeredHitCounters; + } + + inline base::RegisteredLoggers* registeredLoggers(void) const { + return m_registeredLoggers; + } + + inline base::VRegistry* vRegistry(void) const { + return m_vRegistry; + } + +#if ELPP_ASYNC_LOGGING + inline base::AsyncLogQueue* asyncLogQueue(void) const { + return m_asyncLogQueue; + } +#endif // ELPP_ASYNC_LOGGING + + inline const base::utils::CommandLineArgs* commandLineArgs(void) const { + return &m_commandLineArgs; + } + + inline void addFlag(LoggingFlag flag) { + base::utils::addFlag(flag, &m_flags); + } + + inline void removeFlag(LoggingFlag flag) { + base::utils::removeFlag(flag, &m_flags); + } + + inline bool hasFlag(LoggingFlag flag) const { + return base::utils::hasFlag(flag, m_flags); + } + + inline base::type::EnumType flags(void) const { + return m_flags; + } + + inline void setFlags(base::type::EnumType flags) { + m_flags = flags; + } + + inline void setPreRollOutCallback(const PreRollOutCallback& callback) { + m_preRollOutCallback = callback; + } + + inline void unsetPreRollOutCallback(void) { + m_preRollOutCallback = base::defaultPreRollOutCallback; + } + + inline PreRollOutCallback& preRollOutCallback(void) { + return m_preRollOutCallback; + } + + inline bool hasCustomFormatSpecifier(const char* formatSpecifier) { + base::threading::ScopedLock scopedLock(lock()); + return std::find(m_customFormatSpecifiers.begin(), m_customFormatSpecifiers.end(), + formatSpecifier) != m_customFormatSpecifiers.end(); + } + + inline void installCustomFormatSpecifier(const CustomFormatSpecifier& customFormatSpecifier) { + if (hasCustomFormatSpecifier(customFormatSpecifier.formatSpecifier())) { + return; + } + base::threading::ScopedLock scopedLock(lock()); + m_customFormatSpecifiers.push_back(customFormatSpecifier); + } + + inline bool uninstallCustomFormatSpecifier(const char* formatSpecifier) { + base::threading::ScopedLock scopedLock(lock()); + std::vector::iterator it = std::find(m_customFormatSpecifiers.begin(), + m_customFormatSpecifiers.end(), formatSpecifier); + if (it != m_customFormatSpecifiers.end() && strcmp(formatSpecifier, it->formatSpecifier()) == 0) { + m_customFormatSpecifiers.erase(it); + return true; + } + return false; + } + + const std::vector* customFormatSpecifiers(void) const { + return &m_customFormatSpecifiers; + } + + inline void setLoggingLevel(Level level) { + m_loggingLevel = level; + } + + template + inline bool installLogDispatchCallback(const std::string& id) { + return installCallback(id, &m_logDispatchCallbacks); + } + + template + inline void uninstallLogDispatchCallback(const std::string& id) { + uninstallCallback(id, &m_logDispatchCallbacks); + } + template + inline T* logDispatchCallback(const std::string& id) { + return callback(id, &m_logDispatchCallbacks); + } + + template + inline bool installPerformanceTrackingCallback(const std::string& id) { + return installCallback(id, &m_performanceTrackingCallbacks); + } + + template + inline void uninstallPerformanceTrackingCallback(const std::string& id) { + uninstallCallback(id, &m_performanceTrackingCallbacks); + } + + template + inline T* performanceTrackingCallback(const std::string& id) { + return callback(id, &m_performanceTrackingCallbacks); + } + private: + base::RegisteredHitCounters* m_registeredHitCounters; + base::RegisteredLoggers* m_registeredLoggers; + base::type::EnumType m_flags; + base::VRegistry* m_vRegistry; +#if ELPP_ASYNC_LOGGING + base::AsyncLogQueue* m_asyncLogQueue; + base::IWorker* m_asyncDispatchWorker; +#endif // ELPP_ASYNC_LOGGING + base::utils::CommandLineArgs m_commandLineArgs; + PreRollOutCallback m_preRollOutCallback; + std::map m_logDispatchCallbacks; + std::map m_performanceTrackingCallbacks; + std::vector m_customFormatSpecifiers; + Level m_loggingLevel; + + friend class el::Helpers; + friend class el::base::DefaultLogDispatchCallback; + friend class el::LogBuilder; + friend class el::base::MessageBuilder; + friend class el::base::Writer; + friend class el::base::PerformanceTracker; + friend class el::base::LogDispatcher; + + void setApplicationArguments(int argc, char** argv) { + m_commandLineArgs.setArgs(argc, argv); + m_vRegistry->setFromArgs(commandLineArgs()); + // default log file +#if !defined(ELPP_DISABLE_LOG_FILE_FROM_ARG) + if (m_commandLineArgs.hasParamWithValue(base::consts::kDefaultLogFileParam)) { + Configurations c; + c.setGlobally(ConfigurationType::Filename, std::string(m_commandLineArgs.getParamValue(base::consts::kDefaultLogFileParam))); + registeredLoggers()->setDefaultConfigurations(c); + for (base::RegisteredLoggers::iterator it = registeredLoggers()->begin(); + it != registeredLoggers()->end(); ++it) { + it->second->configure(c); + } + } +#endif // !defined(ELPP_DISABLE_LOG_FILE_FROM_ARG) +#if defined(ELPP_LOGGING_FLAGS_FROM_ARG) + if (m_commandLineArgs.hasParamWithValue(base::consts::kLoggingFlagsParam)) { + m_flags = atoi(m_commandLineArgs.getParamValue(base::consts::kLoggingFlagsParam)); + } +#endif // defined(ELPP_LOGGING_FLAGS_FROM_ARG) + } + + inline void setApplicationArguments(int argc, const char** argv) { + setApplicationArguments(argc, const_cast(argv)); + } + + template + inline bool installCallback(const std::string& id, std::map* mapT) { + if (mapT->find(id) == mapT->end()) { + mapT->insert(std::make_pair(id, TPtr(new T()))); + return true; + } + return false; + } + + template + inline void uninstallCallback(const std::string& id, std::map* mapT) { + if (mapT->find(id) != mapT->end()) { + mapT->erase(id); + } + } + + template + inline T* callback(const std::string& id, std::map* mapT) { + typename std::map::iterator iter = mapT->find(id); + if (iter != mapT->end()) { + return static_cast(iter->second.get()); + } + return nullptr; + } + }; + extern ELPP_EXPORT base::type::StoragePointer elStorage; +#define ELPP el::base::elStorage + class DefaultLogDispatchCallback : public LogDispatchCallback { + protected: + void handle(const LogDispatchData* data) { + m_data = data; + dispatch(m_data->logMessage()->logger()->logBuilder()->build(m_data->logMessage(), + m_data->dispatchAction() == base::DispatchAction::NormalLog)); + } + private: + const LogDispatchData* m_data; + void dispatch(base::type::string_t&& logLine) { + if (m_data->dispatchAction() == base::DispatchAction::NormalLog) { + if (m_data->logMessage()->logger()->m_typedConfigurations->toFile(m_data->logMessage()->level())) { + base::type::fstream_t* fs = m_data->logMessage()->logger()->m_typedConfigurations->fileStream(m_data->logMessage()->level()); + if (fs != nullptr) { + fs->write(logLine.c_str(), logLine.size()); + if (fs->fail()) { + ELPP_INTERNAL_ERROR("Unable to write log to file [" + << m_data->logMessage()->logger()->m_typedConfigurations->filename(m_data->logMessage()->level()) << "].\n" + << "Few possible reasons (could be something else):\n" << " * Permission denied\n" + << " * Disk full\n" << " * Disk is not writable", true); + } else { + if (ELPP->hasFlag(LoggingFlag::ImmediateFlush) || (m_data->logMessage()->logger()->isFlushNeeded(m_data->logMessage()->level()))) { + m_data->logMessage()->logger()->flush(m_data->logMessage()->level(), fs); + } + } + } else { + ELPP_INTERNAL_ERROR("Log file for [" << LevelHelper::convertToString(m_data->logMessage()->level()) << "] " + << "has not been configured but [TO_FILE] is configured to TRUE. [Logger ID: " + << m_data->logMessage()->logger()->id() << "]", false); + } + } + if (m_data->logMessage()->logger()->m_typedConfigurations->toStandardOutput(m_data->logMessage()->level())) { + if (ELPP->hasFlag(LoggingFlag::ColoredTerminalOutput)) + m_data->logMessage()->logger()->logBuilder()->convertToColoredOutput(&logLine, m_data->logMessage()->level()); + ELPP_COUT << ELPP_COUT_LINE(logLine); + } + } +#if defined(ELPP_SYSLOG) + else if (m_data->dispatchAction() == base::DispatchAction::SysLog) { + // Determine syslog priority + int sysLogPriority = 0; + if (m_data->logMessage()->level() == Level::Fatal) + sysLogPriority = LOG_EMERG; + else if (m_data->logMessage()->level() == Level::Error) + sysLogPriority = LOG_ERR; + else if (m_data->logMessage()->level() == Level::Warning) + sysLogPriority = LOG_WARNING; + else if (m_data->logMessage()->level() == Level::Info) + sysLogPriority = LOG_INFO; + else if (m_data->logMessage()->level() == Level::Debug) + sysLogPriority = LOG_DEBUG; + else + sysLogPriority = LOG_NOTICE; +# if defined(ELPP_UNICODE) + char* line = base::utils::Str::wcharPtrToCharPtr(logLine.c_str()); + syslog(sysLogPriority, "%s", line); + free(line); +# else + syslog(sysLogPriority, "%s", logLine.c_str()); +# endif + } +#endif // defined(ELPP_SYSLOG) + } + }; +#if ELPP_ASYNC_LOGGING + class AsyncLogDispatchCallback : public LogDispatchCallback { + protected: + void handle(const LogDispatchData* data) { + base::type::string_t logLine = data->logMessage()->logger()->logBuilder()->build(data->logMessage(), data->dispatchAction() == base::DispatchAction::NormalLog); + if (data->dispatchAction() == base::DispatchAction::NormalLog && data->logMessage()->logger()->typedConfigurations()->toStandardOutput(data->logMessage()->level())) { + if (ELPP->hasFlag(LoggingFlag::ColoredTerminalOutput)) + data->logMessage()->logger()->logBuilder()->convertToColoredOutput(&logLine, data->logMessage()->level()); + ELPP_COUT << ELPP_COUT_LINE(logLine); + } + // Save resources and only queue if we want to write to file otherwise just ignore handler + if (data->logMessage()->logger()->typedConfigurations()->toFile(data->logMessage()->level())) { + ELPP->asyncLogQueue()->push(AsyncLogItem(*(data->logMessage()), *data, logLine)); + } + } + }; + class AsyncDispatchWorker : public base::IWorker, public base::threading::ThreadSafe { + public: + AsyncDispatchWorker() { + setContinueRunning(false); + } + + virtual ~AsyncDispatchWorker() { + setContinueRunning(false); + ELPP_INTERNAL_INFO(6, "Stopping dispatch worker - Cleaning log queue"); + clean(); + ELPP_INTERNAL_INFO(6, "Log queue cleaned"); + } + + inline bool clean(void) { + std::mutex m; + std::unique_lock lk(m); + cv.wait(lk, []{ return !ELPP->asyncLogQueue()->empty(); }); + emptyQueue(); + lk.unlock(); + cv.notify_one(); + return ELPP->asyncLogQueue()->empty(); + } + + inline void emptyQueue(void) { + while (!ELPP->asyncLogQueue()->empty()) { + AsyncLogItem data = ELPP->asyncLogQueue()->next(); + handle(&data); + base::threading::msleep(100); + } + } + + virtual inline void start(void) { + base::threading::msleep(5000); // 5s (why?) + setContinueRunning(true); + std::thread t1(&AsyncDispatchWorker::run, this); + t1.join(); + } + + void handle(AsyncLogItem* logItem) { + LogDispatchData* data = logItem->data(); + LogMessage* logMessage = logItem->logMessage(); + Logger* logger = logMessage->logger(); + base::TypedConfigurations* conf = logger->typedConfigurations(); + base::type::string_t logLine = logItem->logLine(); + if (data->dispatchAction() == base::DispatchAction::NormalLog) { + if (conf->toFile(logMessage->level())) { + base::type::fstream_t* fs = conf->fileStream(logMessage->level()); + if (fs != nullptr) { + fs->write(logLine.c_str(), logLine.size()); + if (fs->fail()) { + ELPP_INTERNAL_ERROR("Unable to write log to file [" + << conf->filename(logMessage->level()) << "].\n" + << "Few possible reasons (could be something else):\n" << " * Permission denied\n" + << " * Disk full\n" << " * Disk is not writable", true); + } else { + if (ELPP->hasFlag(LoggingFlag::ImmediateFlush) || (logger->isFlushNeeded(logMessage->level()))) { + logger->flush(logMessage->level(), fs); + } + } + } else { + ELPP_INTERNAL_ERROR("Log file for [" << LevelHelper::convertToString(logMessage->level()) << "] " + << "has not been configured but [TO_FILE] is configured to TRUE. [Logger ID: " << logger->id() << "]", false); + } + } + } +# if defined(ELPP_SYSLOG) + else if (data->dispatchAction() == base::DispatchAction::SysLog) { + // Determine syslog priority + int sysLogPriority = 0; + if (logMessage->level() == Level::Fatal) + sysLogPriority = LOG_EMERG; + else if (logMessage->level() == Level::Error) + sysLogPriority = LOG_ERR; + else if (logMessage->level() == Level::Warning) + sysLogPriority = LOG_WARNING; + else if (logMessage->level() == Level::Info) + sysLogPriority = LOG_INFO; + else if (logMessage->level() == Level::Debug) + sysLogPriority = LOG_DEBUG; + else + sysLogPriority = LOG_NOTICE; +# if defined(ELPP_UNICODE) + char* line = base::utils::Str::wcharPtrToCharPtr(logLine.c_str()); + syslog(sysLogPriority, "%s", line); + free(line); +# else + syslog(sysLogPriority, "%s", logLine.c_str()); +# endif + } +# endif // defined(ELPP_SYSLOG) + } + + void run(void) { + while (continueRunning()) { + emptyQueue(); + base::threading::msleep(10); // 10ms + } + } + + void setContinueRunning(bool value) { + base::threading::ScopedLock scopedLock(m_continueRunningMutex); + m_continueRunning = value; + } + + bool continueRunning(void) const { + return m_continueRunning; + } + private: + std::condition_variable cv; + bool m_continueRunning; + base::threading::Mutex m_continueRunningMutex; + }; +#endif // ELPP_ASYNC_LOGGING + } // namespace base + namespace base { + class DefaultLogBuilder : public LogBuilder { + public: + base::type::string_t build(const LogMessage* logMessage, bool appendNewLine) const { + base::TypedConfigurations* tc = logMessage->logger()->typedConfigurations(); + const base::LogFormat* logFormat = &tc->logFormat(logMessage->level()); + base::type::string_t logLine = logFormat->format(); + char buff[base::consts::kSourceFilenameMaxLength + base::consts::kSourceLineMaxLength] = ""; + const char* bufLim = buff + sizeof(buff); + if (logFormat->hasFlag(base::FormatFlags::AppName)) { + // App name + base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kAppNameFormatSpecifier, + logMessage->logger()->parentApplicationName()); + } + if (logFormat->hasFlag(base::FormatFlags::ThreadId)) { + // Thread ID + base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kThreadIdFormatSpecifier, + base::threading::getCurrentThreadId()); + } + if (logFormat->hasFlag(base::FormatFlags::DateTime)) { + // DateTime + base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kDateTimeFormatSpecifier, + base::utils::DateTime::getDateTime(logFormat->dateTimeFormat().c_str(), + &tc->millisecondsWidth(logMessage->level()))); + } + if (logFormat->hasFlag(base::FormatFlags::Function)) { + // Function + base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kLogFunctionFormatSpecifier, logMessage->func()); + } + if (logFormat->hasFlag(base::FormatFlags::File)) { + // File + base::utils::Str::clearBuff(buff, base::consts::kSourceFilenameMaxLength); + base::utils::File::buildStrippedFilename(logMessage->file().c_str(), buff); + base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kLogFileFormatSpecifier, std::string(buff)); + } + if (logFormat->hasFlag(base::FormatFlags::FileBase)) { + // FileBase + base::utils::Str::clearBuff(buff, base::consts::kSourceFilenameMaxLength); + base::utils::File::buildBaseFilename(logMessage->file(), buff); + base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kLogFileBaseFormatSpecifier, std::string(buff)); + } + if (logFormat->hasFlag(base::FormatFlags::Line)) { + // Line + char* buf = base::utils::Str::clearBuff(buff, base::consts::kSourceLineMaxLength); + buf = base::utils::Str::convertAndAddToBuff(logMessage->line(), base::consts::kSourceLineMaxLength, buf, bufLim, false); + base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kLogLineFormatSpecifier, std::string(buff)); + } + if (logFormat->hasFlag(base::FormatFlags::Location)) { + // Location + char* buf = base::utils::Str::clearBuff(buff, base::consts::kSourceFilenameMaxLength + base::consts::kSourceLineMaxLength); + base::utils::File::buildStrippedFilename(logMessage->file().c_str(), buff); + buf = base::utils::Str::addToBuff(buff, buf, bufLim); + buf = base::utils::Str::addToBuff(":", buf, bufLim); + buf = base::utils::Str::convertAndAddToBuff(logMessage->line(), base::consts::kSourceLineMaxLength, buf, bufLim, false); + base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kLogLocationFormatSpecifier, std::string(buff)); + } + if (logMessage->level() == Level::Verbose && logFormat->hasFlag(base::FormatFlags::VerboseLevel)) { + // Verbose level + char* buf = base::utils::Str::clearBuff(buff, 1); + buf = base::utils::Str::convertAndAddToBuff(logMessage->verboseLevel(), 1, buf, bufLim, false); + base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kVerboseLevelFormatSpecifier, std::string(buff)); + } + if (logFormat->hasFlag(base::FormatFlags::LogMessage)) { + // Log message + base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kMessageFormatSpecifier, logMessage->message()); + } +#if !defined(ELPP_DISABLE_CUSTOM_FORMAT_SPECIFIERS) + for (std::vector::const_iterator it = ELPP->customFormatSpecifiers()->begin(); + it != ELPP->customFormatSpecifiers()->end(); ++it) { + std::string fs(it->formatSpecifier()); + base::type::string_t wcsFormatSpecifier(fs.begin(), fs.end()); + base::utils::Str::replaceFirstWithEscape(logLine, wcsFormatSpecifier, std::string(it->resolver()())); + } +#endif // !defined(ELPP_DISABLE_CUSTOM_FORMAT_SPECIFIERS) + if (appendNewLine) logLine += ELPP_LITERAL("\n"); + return logLine; + } + }; + /// @brief Dispatches log messages + class LogDispatcher : base::NoCopy { + public: + LogDispatcher(bool proceed, LogMessage&& logMessage, base::DispatchAction dispatchAction) : + m_proceed(proceed), + m_logMessage(std::move(logMessage)), + m_dispatchAction(std::move(dispatchAction)) { + } + + void dispatch(void) { + if (m_proceed && m_dispatchAction == base::DispatchAction::None) { + m_proceed = false; + } + if (!m_proceed) { + return; + } + // We minimize the time of ELPP's lock - this lock is released after log is written + base::threading::ScopedLock scopedLock(ELPP->lock()); + base::TypedConfigurations* tc = m_logMessage.logger()->m_typedConfigurations; + if (ELPP->hasFlag(LoggingFlag::StrictLogFileSizeCheck)) { + tc->validateFileRolling(m_logMessage.level(), ELPP->preRollOutCallback()); + } + LogDispatchCallback* callback = nullptr; + LogDispatchData data; + for (const std::pair& h + : ELPP->m_logDispatchCallbacks) { + callback = h.second.get(); + if (callback != nullptr && callback->enabled()) { + data.setLogMessage(&m_logMessage); + data.setDispatchAction(m_dispatchAction); + callback->acquireLock(); + callback->handle(&data); + callback->releaseLock(); + } + } + } + + private: + bool m_proceed; + LogMessage m_logMessage; + base::DispatchAction m_dispatchAction; + }; +#if defined(ELPP_STL_LOGGING) + /// @brief Workarounds to write some STL logs + /// + /// @detail There is workaround needed to loop through some stl containers. In order to do that, we need iterable containers + /// of same type and provide iterator interface and pass it on to writeIterator(). + /// Remember, this is passed by value in constructor so that we dont change original containers. + /// This operation is as expensive as Big-O(std::min(class_.size(), base::consts::kMaxLogPerContainer)) + namespace workarounds { + /// @brief Abstract IterableContainer template that provides interface for iterable classes of type T + template + class IterableContainer { + public: + typedef typename Container::iterator iterator; + typedef typename Container::const_iterator const_iterator; + IterableContainer(void) {} + virtual ~IterableContainer(void) {} + iterator begin(void) { return getContainer().begin(); } + iterator end(void) { return getContainer().end(); } + private: + virtual Container& getContainer(void) = 0; + }; + /// @brief Implements IterableContainer and provides iterable std::priority_queue class + template, typename Comparator = std::less> + class IterablePriorityQueue : public IterableContainer, public std::priority_queue { + public: + IterablePriorityQueue(std::priority_queue queue_) { + std::size_t count_ = 0; + while (++count_ < base::consts::kMaxLogPerContainer && !queue_.empty()) { + this->push(queue_.top()); + queue_.pop(); + } + } + private: + inline Container& getContainer(void) { + return this->c; + } + }; + /// @brief Implements IterableContainer and provides iterable std::queue class + template> + class IterableQueue : public IterableContainer, public std::queue { + public: + IterableQueue(std::queue queue_) { + std::size_t count_ = 0; + while (++count_ < base::consts::kMaxLogPerContainer && !queue_.empty()) { + this->push(queue_.front()); + queue_.pop(); + } + } + private: + inline Container& getContainer(void) { + return this->c; + } + }; + /// @brief Implements IterableContainer and provides iterable std::stack class + template> + class IterableStack : public IterableContainer, public std::stack { + public: + IterableStack(std::stack stack_) { + std::size_t count_ = 0; + while (++count_ < base::consts::kMaxLogPerContainer && !stack_.empty()) { + this->push(stack_.top()); + stack_.pop(); + } + } + private: + inline Container& getContainer(void) { + return this->c; + } + }; + } // namespace workarounds +#endif // defined(ELPP_STL_LOGGING) + // Log message builder + class MessageBuilder { + public: + MessageBuilder(void) : m_logger(nullptr), m_containerLogSeperator(ELPP_LITERAL("")) {} + void initialize(Logger* logger) { + m_logger = logger; + m_containerLogSeperator = ELPP->hasFlag(LoggingFlag::NewLineForContainer) ? + ELPP_LITERAL("\n ") : ELPP_LITERAL(", "); + } + +# define ELPP_SIMPLE_LOG(LOG_TYPE)\ +inline MessageBuilder& operator<<(LOG_TYPE msg) {\ +m_logger->stream() << msg;\ +if (ELPP->hasFlag(LoggingFlag::AutoSpacing)) {\ +m_logger->stream() << " ";\ +}\ +return *this;\ +} + + inline MessageBuilder& operator<<(const std::string& msg) { + return operator<<(msg.c_str()); + } + ELPP_SIMPLE_LOG(char) + ELPP_SIMPLE_LOG(bool) + ELPP_SIMPLE_LOG(signed short) + ELPP_SIMPLE_LOG(unsigned short) + ELPP_SIMPLE_LOG(signed int) + ELPP_SIMPLE_LOG(unsigned int) + ELPP_SIMPLE_LOG(signed long) + ELPP_SIMPLE_LOG(unsigned long) + ELPP_SIMPLE_LOG(float) + ELPP_SIMPLE_LOG(double) + ELPP_SIMPLE_LOG(char*) + ELPP_SIMPLE_LOG(const char*) + ELPP_SIMPLE_LOG(const void*) + ELPP_SIMPLE_LOG(long double) + inline MessageBuilder& operator<<(const std::wstring& msg) { + return operator<<(msg.c_str()); + } + inline MessageBuilder& operator<<(const wchar_t* msg) { + if (msg == nullptr) { + m_logger->stream() << base::consts::kNullPointer; + return *this; + } +# if defined(ELPP_UNICODE) + m_logger->stream() << msg; +# else + char* buff_ = base::utils::Str::wcharPtrToCharPtr(msg); + m_logger->stream() << buff_; + free(buff_); +# endif + if (ELPP->hasFlag(LoggingFlag::AutoSpacing)) { + m_logger->stream() << " "; + } + return *this; + } + // ostream manipulators + inline MessageBuilder& operator<<(std::ostream& (*OStreamMani)(std::ostream&)) { + m_logger->stream() << OStreamMani; + return *this; + } +#define ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(temp) \ +template \ +inline MessageBuilder& operator<<(const temp& template_inst) { \ +return writeIterator(template_inst.begin(), template_inst.end(), template_inst.size()); \ +} +#define ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(temp) \ +template \ +inline MessageBuilder& operator<<(const temp& template_inst) { \ +return writeIterator(template_inst.begin(), template_inst.end(), template_inst.size()); \ +} +#define ELPP_ITERATOR_CONTAINER_LOG_THREE_ARG(temp) \ +template \ +inline MessageBuilder& operator<<(const temp& template_inst) { \ +return writeIterator(template_inst.begin(), template_inst.end(), template_inst.size()); \ +} +#define ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(temp) \ +template \ +inline MessageBuilder& operator<<(const temp& template_inst) { \ +return writeIterator(template_inst.begin(), template_inst.end(), template_inst.size()); \ +} +#define ELPP_ITERATOR_CONTAINER_LOG_FIVE_ARG(temp) \ +template \ +inline MessageBuilder& operator<<(const temp& template_inst) { \ +return writeIterator(template_inst.begin(), template_inst.end(), template_inst.size()); \ +} + +#if defined(ELPP_STL_LOGGING) + ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(std::vector) + ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(std::list) + ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(std::deque) + ELPP_ITERATOR_CONTAINER_LOG_THREE_ARG(std::set) + ELPP_ITERATOR_CONTAINER_LOG_THREE_ARG(std::multiset) + ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(std::map) + ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(std::multimap) + template + inline MessageBuilder& operator<<(const std::queue& queue_) { + base::workarounds::IterableQueue iterableQueue_ = + static_cast >(queue_); + return writeIterator(iterableQueue_.begin(), iterableQueue_.end(), iterableQueue_.size()); + } + template + inline MessageBuilder& operator<<(const std::stack& stack_) { + base::workarounds::IterableStack iterableStack_ = + static_cast >(stack_); + return writeIterator(iterableStack_.begin(), iterableStack_.end(), iterableStack_.size()); + } + template + inline MessageBuilder& operator<<(const std::priority_queue& priorityQueue_) { + base::workarounds::IterablePriorityQueue iterablePriorityQueue_ = + static_cast >(priorityQueue_); + return writeIterator(iterablePriorityQueue_.begin(), iterablePriorityQueue_.end(), iterablePriorityQueue_.size()); + } + template + inline MessageBuilder& operator<<(const std::pair& pair_) { + m_logger->stream() << ELPP_LITERAL("("); + operator << (static_cast(pair_.first)); + m_logger->stream() << ELPP_LITERAL(", "); + operator << (static_cast(pair_.second)); + m_logger->stream() << ELPP_LITERAL(")"); + return *this; + } + template + inline MessageBuilder& operator<<(const std::bitset& bitset_) { + m_logger->stream() << ELPP_LITERAL("["); + operator << (bitset_.to_string()); + m_logger->stream() << ELPP_LITERAL("]"); + return *this; + } +# if defined(ELPP_LOG_STD_ARRAY) + template + inline MessageBuilder& operator<<(const std::array& array) { + return writeIterator(array.begin(), array.end(), array.size()); + } +# endif // defined(ELPP_LOG_STD_ARRAY) +# if defined(ELPP_LOG_UNORDERED_MAP) + ELPP_ITERATOR_CONTAINER_LOG_FIVE_ARG(std::unordered_map) + ELPP_ITERATOR_CONTAINER_LOG_FIVE_ARG(std::unordered_multimap) +# endif // defined(ELPP_LOG_UNORDERED_MAP) +# if defined(ELPP_LOG_UNORDERED_SET) + ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(std::unordered_set) + ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(std::unordered_multiset) +# endif // defined(ELPP_LOG_UNORDERED_SET) +#endif // defined(ELPP_STL_LOGGING) +#if defined(ELPP_QT_LOGGING) + inline MessageBuilder& operator<<(const QString& msg) { +# if defined(ELPP_UNICODE) + m_logger->stream() << msg.toStdWString(); +# else + m_logger->stream() << msg.toStdString(); +# endif // defined(ELPP_UNICODE) + return *this; + } + inline MessageBuilder& operator<<(const QByteArray& msg) { + return operator << (QString(msg)); + } + inline MessageBuilder& operator<<(const QStringRef& msg) { + return operator<<(msg.toString()); + } + inline MessageBuilder& operator<<(qint64 msg) { +# if defined(ELPP_UNICODE) + m_logger->stream() << QString::number(msg).toStdWString(); +# else + m_logger->stream() << QString::number(msg).toStdString(); +# endif // defined(ELPP_UNICODE) + return *this; + } + inline MessageBuilder& operator<<(quint64 msg) { +# if defined(ELPP_UNICODE) + m_logger->stream() << QString::number(msg).toStdWString(); +# else + m_logger->stream() << QString::number(msg).toStdString(); +# endif // defined(ELPP_UNICODE) + return *this; + } + inline MessageBuilder& operator<<(QChar msg) { + m_logger->stream() << msg.toLatin1(); + return *this; + } + inline MessageBuilder& operator<<(const QLatin1String& msg) { + m_logger->stream() << msg.latin1(); + return *this; + } + ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(QList) + ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(QVector) + ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(QQueue) + ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(QSet) + ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(QLinkedList) + ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(QStack) + template + inline MessageBuilder& operator<<(const QPair& pair_) { + m_logger->stream() << ELPP_LITERAL("("); + operator << (static_cast(pair_.first)); + m_logger->stream() << ELPP_LITERAL(", "); + operator << (static_cast(pair_.second)); + m_logger->stream() << ELPP_LITERAL(")"); + return *this; + } + template + inline MessageBuilder& operator<<(const QMap& map_) { + m_logger->stream() << ELPP_LITERAL("["); + QList keys = map_.keys(); + typename QList::const_iterator begin = keys.begin(); + typename QList::const_iterator end = keys.end(); + int max_ = static_cast(base::consts::kMaxLogPerContainer); // to prevent warning + for (int index_ = 0; begin != end && index_ < max_; ++index_, ++begin) { + m_logger->stream() << ELPP_LITERAL("("); + operator << (static_cast(*begin)); + m_logger->stream() << ELPP_LITERAL(", "); + operator << (static_cast(map_.value(*begin))); + m_logger->stream() << ELPP_LITERAL(")"); + m_logger->stream() << ((index_ < keys.size() -1) ? m_containerLogSeperator : ELPP_LITERAL("")); + } + if (begin != end) { + m_logger->stream() << ELPP_LITERAL("..."); + } + m_logger->stream() << ELPP_LITERAL("]"); + return *this; + } + template + inline MessageBuilder& operator<<(const QMultiMap& map_) { + operator << (static_cast>(map_)); + return *this; + } + template + inline MessageBuilder& operator<<(const QHash& hash_) { + m_logger->stream() << ELPP_LITERAL("["); + QList keys = hash_.keys(); + typename QList::const_iterator begin = keys.begin(); + typename QList::const_iterator end = keys.end(); + int max_ = static_cast(base::consts::kMaxLogPerContainer); // prevent type warning + for (int index_ = 0; begin != end && index_ < max_; ++index_, ++begin) { + m_logger->stream() << ELPP_LITERAL("("); + operator << (static_cast(*begin)); + m_logger->stream() << ELPP_LITERAL(", "); + operator << (static_cast(hash_.value(*begin))); + m_logger->stream() << ELPP_LITERAL(")"); + m_logger->stream() << ((index_ < keys.size() -1) ? m_containerLogSeperator : ELPP_LITERAL("")); + } + if (begin != end) { + m_logger->stream() << ELPP_LITERAL("..."); + } + m_logger->stream() << ELPP_LITERAL("]"); + return *this; + } + template + inline MessageBuilder& operator<<(const QMultiHash& multiHash_) { + operator << (static_cast>(multiHash_)); + return *this; + } +#endif // defined(ELPP_QT_LOGGING) +#if defined(ELPP_BOOST_LOGGING) + ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(boost::container::vector) + ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(boost::container::stable_vector) + ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(boost::container::list) + ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(boost::container::deque) + ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(boost::container::map) + ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(boost::container::flat_map) + ELPP_ITERATOR_CONTAINER_LOG_THREE_ARG(boost::container::set) + ELPP_ITERATOR_CONTAINER_LOG_THREE_ARG(boost::container::flat_set) +#endif // defined(ELPP_BOOST_LOGGING) + + /// @brief Macro used internally that can be used externally to make containers easylogging++ friendly + /// + /// @detail This macro expands to write an ostream& operator<< for container. This container is expected to + /// have begin() and end() methods that return respective iterators + /// @param ContainerType Type of container e.g, MyList from WX_DECLARE_LIST(int, MyList); in wxwidgets + /// @param SizeMethod Method used to get size of container. + /// @param ElementInstance Instance of element to be fed out. Insance name is "elem". See WXELPP_ENABLED macro + /// for an example usage +#define MAKE_CONTAINERELPP_FRIENDLY(ContainerType, SizeMethod, ElementInstance) \ +el::base::type::ostream_t& operator<<(el::base::type::ostream_t& ss, const ContainerType& container) {\ +const el::base::type::char_t* sep = ELPP->hasFlag(el::LoggingFlag::NewLineForContainer) ? \ +ELPP_LITERAL("\n ") : ELPP_LITERAL(", ");\ +ContainerType::const_iterator elem = container.begin();\ +ContainerType::const_iterator endElem = container.end();\ +std::size_t size_ = container.SizeMethod; \ +ss << ELPP_LITERAL("[");\ +for (std::size_t i = 0; elem != endElem && i < el::base::consts::kMaxLogPerContainer; ++i, ++elem) { \ +ss << ElementInstance;\ +ss << ((i < size_ - 1) ? sep : ELPP_LITERAL(""));\ +}\ +if (elem != endElem) {\ +ss << ELPP_LITERAL("...");\ +}\ +ss << ELPP_LITERAL("]");\ +return ss;\ +} +#if defined(ELPP_WXWIDGETS_LOGGING) + ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(wxVector) +# define ELPP_WX_PTR_ENABLED(ContainerType) MAKE_CONTAINERELPP_FRIENDLY(ContainerType, size(), *(*elem)) +# define ELPP_WX_ENABLED(ContainerType) MAKE_CONTAINERELPP_FRIENDLY(ContainerType, size(), (*elem)) +# define ELPP_WX_HASH_MAP_ENABLED(ContainerType) MAKE_CONTAINERELPP_FRIENDLY(ContainerType, size(), \ +ELPP_LITERAL("(") << elem->first << ELPP_LITERAL(", ") << elem->second << ELPP_LITERAL(")") +#else +# define ELPP_WX_PTR_ENABLED(ContainerType) +# define ELPP_WX_ENABLED(ContainerType) +# define ELPP_WX_HASH_MAP_ENABLED(ContainerType) +#endif // defined(ELPP_WXWIDGETS_LOGGING) + // Other classes + template + ELPP_SIMPLE_LOG(const Class&) +#undef ELPP_SIMPLE_LOG +#undef ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG +#undef ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG +#undef ELPP_ITERATOR_CONTAINER_LOG_THREE_ARG +#undef ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG +#undef ELPP_ITERATOR_CONTAINER_LOG_FIVE_ARG + private: + Logger* m_logger; + const base::type::char_t* m_containerLogSeperator; + + template + inline MessageBuilder& writeIterator(Iterator begin_, Iterator end_, std::size_t size_) { + m_logger->stream() << ELPP_LITERAL("["); + for (std::size_t i = 0; begin_ != end_ && i < base::consts::kMaxLogPerContainer; ++i, ++begin_) { + operator << (*begin_); + m_logger->stream() << ((i < size_ - 1) ? m_containerLogSeperator : ELPP_LITERAL("")); + } + if (begin_ != end_) { + m_logger->stream() << ELPP_LITERAL("..."); + } + m_logger->stream() << ELPP_LITERAL("]"); + if (ELPP->hasFlag(LoggingFlag::AutoSpacing)) { + m_logger->stream() << " "; + } + return *this; + } + }; + /// @brief Writes nothing - Used when certain log is disabled + class NullWriter : base::NoCopy { + public: + NullWriter(void) {} + + // Null manipulator + inline NullWriter& operator<<(std::ostream& (*)(std::ostream&)) { + return *this; + } + + template + inline NullWriter& operator<<(const T&) { + return *this; + } + }; + /// @brief Main entry point of each logging + class Writer : base::NoCopy { + public: + Writer(Level level, const char* file, unsigned long int line, + const char* func, base::DispatchAction dispatchAction = base::DispatchAction::NormalLog, + base::type::VerboseLevel verboseLevel = 0) : + m_level(level), m_file(file), m_line(line), m_func(func), m_verboseLevel(verboseLevel), + m_proceed(false), m_dispatchAction(dispatchAction) { + } + + virtual ~Writer(void) { + processDispatch(); + } + + template + inline Writer& operator<<(const T& log) { +#if ELPP_LOGGING_ENABLED + if (m_proceed) { + m_messageBuilder << log; + } +#endif // ELPP_LOGGING_ENABLED + return *this; + } + + inline Writer& operator<<(std::ostream& (*log)(std::ostream&)) { +#if ELPP_LOGGING_ENABLED + if (m_proceed) { + m_messageBuilder << log; + } +#endif // ELPP_LOGGING_ENABLED + return *this; + } + + Writer& construct(Logger* logger, bool needLock = true) { + m_logger = logger; + initializeLogger(logger->id(), false, needLock); + m_messageBuilder.initialize(m_logger); + return *this; + } + + Writer& construct(int count, const char* loggerIds, ...) { + if (ELPP->hasFlag(LoggingFlag::MultiLoggerSupport)) { + va_list loggersList; + va_start(loggersList, loggerIds); + const char* id = loggerIds; + for (int i = 0; i < count; ++i) { + m_loggerIds.push_back(std::string(id)); + id = va_arg(loggersList, const char*); + } + va_end(loggersList); + initializeLogger(m_loggerIds.at(0)); + } else { + initializeLogger(std::string(loggerIds)); + } + m_messageBuilder.initialize(m_logger); + return *this; + } + protected: + Level m_level; + const char* m_file; + const unsigned long int m_line; + const char* m_func; + base::type::VerboseLevel m_verboseLevel; + Logger* m_logger; + bool m_proceed; + base::MessageBuilder m_messageBuilder; + base::DispatchAction m_dispatchAction; + std::vector m_loggerIds; + friend class el::Helpers; + + void initializeLogger(const std::string& loggerId, bool lookup = true, bool needLock = true) { + if (lookup) { + m_logger = ELPP->registeredLoggers()->get(loggerId, ELPP->hasFlag(LoggingFlag::CreateLoggerAutomatically)); + } + if (m_logger == nullptr) { + ELPP->acquireLock(); + if (!ELPP->registeredLoggers()->has(std::string(base::consts::kDefaultLoggerId))) { + // Somehow default logger has been unregistered. Not good! Register again + ELPP->registeredLoggers()->get(std::string(base::consts::kDefaultLoggerId)); + } + ELPP->releaseLock(); // Need to unlock it for next writer + Writer(Level::Debug, m_file, m_line, m_func).construct(1, base::consts::kDefaultLoggerId) + << "Logger [" << loggerId << "] is not registered yet!"; + m_proceed = false; + } else { + if (needLock) { + m_logger->acquireLock(); // This should not be unlocked by checking m_proceed because + // m_proceed can be changed by lines below + } + if (ELPP->hasFlag(LoggingFlag::HierarchicalLogging)) { + m_proceed = m_level == Level::Verbose ? m_logger->enabled(m_level) : + LevelHelper::castToInt(m_level) >= LevelHelper::castToInt(ELPP->m_loggingLevel); + } else { + m_proceed = m_logger->enabled(m_level); + } + } + } + + void processDispatch() { +#if ELPP_LOGGING_ENABLED + if (ELPP->hasFlag(LoggingFlag::MultiLoggerSupport)) { + bool firstDispatched = false; + base::type::string_t logMessage; + std::size_t i = 0; + do { + if (m_proceed) { + if (firstDispatched) { + m_logger->stream() << logMessage; + } else { + firstDispatched = true; + if (m_loggerIds.size() > 1) { + logMessage = m_logger->stream().str(); + } + } + triggerDispatch(); + } else if (m_logger != nullptr) { + m_logger->stream().str(ELPP_LITERAL("")); + m_logger->releaseLock(); + } + if (i + 1 < m_loggerIds.size()) { + initializeLogger(m_loggerIds.at(i + 1)); + } + } while (++i < m_loggerIds.size()); + } else { + if (m_proceed) { + triggerDispatch(); + } else if (m_logger != nullptr) { + m_logger->stream().str(ELPP_LITERAL("")); + m_logger->releaseLock(); + } + } +#else + if (m_logger != nullptr) { + m_logger->stream().str(ELPP_LITERAL("")); + m_logger->releaseLock(); + } +#endif // ELPP_LOGGING_ENABLED + } + + void triggerDispatch(void) { + if (m_proceed) { + base::LogDispatcher(m_proceed, LogMessage(m_level, m_file, m_line, m_func, m_verboseLevel, + m_logger), m_dispatchAction).dispatch(); + } + if (m_logger != nullptr) { + m_logger->stream().str(ELPP_LITERAL("")); + m_logger->releaseLock(); + } + if (m_proceed && m_level == Level::Fatal + && !ELPP->hasFlag(LoggingFlag::DisableApplicationAbortOnFatalLog)) { + base::Writer(Level::Warning, m_file, m_line, m_func).construct(1, base::consts::kDefaultLoggerId) + << "Aborting application. Reason: Fatal log at [" << m_file << ":" << m_line << "]"; + std::stringstream reasonStream; + reasonStream << "Fatal log at [" << m_file << ":" << m_line << "]" + << " If you wish to disable 'abort on fatal log' please use " + << "el::Helpers::addFlag(el::LoggingFlag::DisableApplicationAbortOnFatalLog)"; + base::utils::abort(1, reasonStream.str()); + } + m_proceed = false; + } + }; + class PErrorWriter : public base::Writer { + public: + PErrorWriter(Level level, const char* file, unsigned long int line, + const char* func, base::DispatchAction dispatchAction = base::DispatchAction::NormalLog, + base::type::VerboseLevel verboseLevel = 0) : + base::Writer(level, file, line, func, dispatchAction, verboseLevel) { + } + + virtual ~PErrorWriter(void) { + if (m_proceed) { +#if ELPP_COMPILER_MSVC + char buff[256]; + strerror_s(buff, 256, errno); + m_logger->stream() << ": " << buff << " [" << errno << "]"; +#else + m_logger->stream() << ": " << strerror(errno) << " [" << errno << "]"; +#endif + } + } + }; + } // namespace base + // Logging from Logger class. Why this is here? Because we have Storage and Writer class available +#if ELPP_VARIADIC_TEMPLATES_SUPPORTED + template + void Logger::log_(Level level, int vlevel, const char* s, const T& value, const Args&... args) { + base::MessageBuilder b; + b.initialize(this); + while (*s) { + if (*s == base::consts::kFormatSpecifierChar) { + if (*(s + 1) == base::consts::kFormatSpecifierChar) { + ++s; + } else { + if (*(s + 1) == base::consts::kFormatSpecifierCharValue) { + ++s; + b << value; + log_(level, vlevel, ++s, args...); + return; + } + } + } + b << *s++; + } + ELPP_INTERNAL_ERROR("Too many arguments provided. Unable to handle. Please provide more format specifiers", false); + } + template + inline void Logger::log_(Level level, int vlevel, const T& log) { + if (level == Level::Verbose) { + if (ELPP->vRegistry()->allowed(vlevel, __FILE__)) { + base::Writer(Level::Verbose, "FILE", 0, "FUNCTION", + base::DispatchAction::NormalLog, vlevel).construct(this, false) << log; + } else { + stream().str(ELPP_LITERAL("")); + } + } else { + base::Writer(level, "FILE", 0, "FUNCTION").construct(this, false) << log; + } + } + template + void Logger::log(Level level, const char* s, const T& value, const Args&... args) { + base::threading::ScopedLock scopedLock(lock()); + log_(level, 0, s, value, args...); + } + template + inline void Logger::log(Level level, const T& log) { + base::threading::ScopedLock scopedLock(lock()); + log_(level, 0, log); + } +# if ELPP_VERBOSE_LOG + template + inline void Logger::verbose(int vlevel, const char* s, const T& value, const Args&... args) { + base::threading::ScopedLock scopedLock(lock()); + log_(el::Level::Verbose, vlevel, s, value, args...); + } + template + inline void Logger::verbose(int vlevel, const T& log) { + base::threading::ScopedLock scopedLock(lock()); + log_(el::Level::Verbose, vlevel, log); + } +# else + template + inline void Logger::verbose(int, const char*, const T&, const Args&...) { + return; + } + template + inline void Logger::verbose(int, const T&) { + return; + } +# endif // ELPP_VERBOSE_LOG +# define LOGGER_LEVEL_WRITERS(FUNCTION_NAME, LOG_LEVEL)\ +template \ +inline void Logger::FUNCTION_NAME(const char* s, const T& value, const Args&... args) {\ +log(LOG_LEVEL, s, value, args...);\ +}\ +template \ +inline void Logger::FUNCTION_NAME(const T& value) {\ +log(LOG_LEVEL, value);\ +} +# define LOGGER_LEVEL_WRITERS_DISABLED(FUNCTION_NAME, LOG_LEVEL)\ +template \ +inline void Logger::FUNCTION_NAME(const char*, const T&, const Args&...) {\ +return;\ +}\ +template \ +inline void Logger::FUNCTION_NAME(const T&) {\ +return;\ +} + +# if ELPP_INFO_LOG + LOGGER_LEVEL_WRITERS(info, Level::Info) +# else + LOGGER_LEVEL_WRITERS_DISABLED(info, Level::Info) +# endif // ELPP_INFO_LOG +# if ELPP_DEBUG_LOG + LOGGER_LEVEL_WRITERS(debug, Level::Debug) +# else + LOGGER_LEVEL_WRITERS_DISABLED(debug, Level::Debug) +# endif // ELPP_DEBUG_LOG +# if ELPP_WARNING_LOG + LOGGER_LEVEL_WRITERS(warn, Level::Warning) +# else + LOGGER_LEVEL_WRITERS_DISABLED(warn, Level::Warning) +# endif // ELPP_WARNING_LOG +# if ELPP_ERROR_LOG + LOGGER_LEVEL_WRITERS(error, Level::Error) +# else + LOGGER_LEVEL_WRITERS_DISABLED(error, Level::Error) +# endif // ELPP_ERROR_LOG +# if ELPP_FATAL_LOG + LOGGER_LEVEL_WRITERS(fatal, Level::Fatal) +# else + LOGGER_LEVEL_WRITERS_DISABLED(fatal, Level::Fatal) +# endif // ELPP_FATAL_LOG +# if ELPP_TRACE_LOG + LOGGER_LEVEL_WRITERS(trace, Level::Trace) +# else + LOGGER_LEVEL_WRITERS_DISABLED(trace, Level::Trace) +# endif // ELPP_TRACE_LOG +# undef LOGGER_LEVEL_WRITERS +# undef LOGGER_LEVEL_WRITERS_DISABLED +#endif // ELPP_VARIADIC_TEMPLATES_SUPPORTED +#if ELPP_COMPILER_MSVC +# define ELPP_VARIADIC_FUNC_MSVC(variadicFunction, variadicArgs) variadicFunction variadicArgs +# define ELPP_VARIADIC_FUNC_MSVC_RUN(variadicFunction, ...) ELPP_VARIADIC_FUNC_MSVC(variadicFunction, (__VA_ARGS__)) +# define el_getVALength(...) ELPP_VARIADIC_FUNC_MSVC_RUN(el_resolveVALength, 0, ## __VA_ARGS__,\ +10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0) +#else +# if ELPP_COMPILER_CLANG +# define el_getVALength(...) el_resolveVALength(0, __VA_ARGS__, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0) +# else +# define el_getVALength(...) el_resolveVALength(0, ## __VA_ARGS__, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0) +# endif // ELPP_COMPILER_CLANG +#endif // ELPP_COMPILER_MSVC +#define el_resolveVALength(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, N, ...) N +#define ELPP_WRITE_LOG(writer, level, dispatchAction, ...) \ +writer(level, __FILE__, __LINE__, ELPP_FUNC, dispatchAction).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__) +#define ELPP_WRITE_LOG_IF(writer, condition, level, dispatchAction, ...) if (condition) \ +writer(level, __FILE__, __LINE__, ELPP_FUNC, dispatchAction).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__) +#define ELPP_WRITE_LOG_EVERY_N(writer, occasion, level, dispatchAction, ...) \ +if (ELPP->validateEveryNCounter(__FILE__, __LINE__, occasion)) \ +writer(level, __FILE__, __LINE__, ELPP_FUNC, dispatchAction).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__) +#define ELPP_WRITE_LOG_AFTER_N(writer, n, level, dispatchAction, ...) \ +if (ELPP->validateAfterNCounter(__FILE__, __LINE__, n)) \ +writer(level, __FILE__, __LINE__, ELPP_FUNC, dispatchAction).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__) +#define ELPP_WRITE_LOG_N_TIMES(writer, n, level, dispatchAction, ...) \ +if (ELPP->validateNTimesCounter(__FILE__, __LINE__, n)) \ +writer(level, __FILE__, __LINE__, ELPP_FUNC, dispatchAction).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__) +#undef ELPP_CURR_FILE_PERFORMANCE_LOGGER +#if defined(ELPP_PERFORMANCE_LOGGER) +# define ELPP_CURR_FILE_PERFORMANCE_LOGGER ELPP_PERFORMANCE_LOGGER +#else +# define ELPP_CURR_FILE_PERFORMANCE_LOGGER el::base::consts::kPerformanceLoggerId +#endif + class PerformanceTrackingData { + public: + enum class DataType : base::type::EnumType { + Checkpoint = 1, Complete = 2 + }; + // Do not use constructor, will run into multiple definition error, use init(PerformanceTracker*) + explicit PerformanceTrackingData(DataType dataType) : m_performanceTracker(nullptr), + m_dataType(dataType), m_file(""), m_line(0), m_func("") {} + inline const std::string* blockName(void) const; + inline const struct timeval* startTime(void) const; + inline const struct timeval* endTime(void) const; + inline const struct timeval* lastCheckpointTime(void) const; + inline const base::PerformanceTracker* performanceTracker(void) const { return m_performanceTracker; } + inline PerformanceTrackingData::DataType dataType(void) const { return m_dataType; } + inline bool firstCheckpoint(void) const { return m_firstCheckpoint; } + inline std::string checkpointId(void) const { return m_checkpointId; } + inline const char* file(void) const { return m_file; } + inline unsigned long int line(void) const { return m_line; } + inline const char* func(void) const { return m_func; } + inline const base::type::string_t* formattedTimeTaken() const { return &m_formattedTimeTaken; } + inline const std::string& loggerId(void) const; + private: + base::PerformanceTracker* m_performanceTracker; + base::type::string_t m_formattedTimeTaken; + PerformanceTrackingData::DataType m_dataType; + bool m_firstCheckpoint; + std::string m_checkpointId; + const char* m_file; + unsigned long int m_line; + const char* m_func; + inline void init(base::PerformanceTracker* performanceTracker, bool firstCheckpoint = false) { + m_performanceTracker = performanceTracker; + m_firstCheckpoint = firstCheckpoint; + } + + friend class el::base::PerformanceTracker; + }; + namespace base { + /// @brief Represents performanceTracker block of code that conditionally adds performance status to log + /// either when goes outside the scope of when checkpoint() is called + class PerformanceTracker : public base::threading::ThreadSafe, public Loggable { + public: + PerformanceTracker(const std::string& blockName, + base::TimestampUnit timestampUnit = base::TimestampUnit::Millisecond, + const std::string& loggerId = std::string(ELPP_CURR_FILE_PERFORMANCE_LOGGER), + bool scopedLog = true, Level level = base::consts::kPerformanceTrackerDefaultLevel) : + m_blockName(blockName), m_timestampUnit(timestampUnit), m_loggerId(loggerId), m_scopedLog(scopedLog), + m_level(level), m_hasChecked(false), m_lastCheckpointId(std::string()), m_enabled(false) { +#if !defined(ELPP_DISABLE_PERFORMANCE_TRACKING) && ELPP_LOGGING_ENABLED + // We store it locally so that if user happen to change configuration by the end of scope + // or before calling checkpoint, we still depend on state of configuraton at time of construction + el::Logger* loggerPtr = ELPP->registeredLoggers()->get(loggerId, false); + m_enabled = loggerPtr != nullptr && loggerPtr->m_typedConfigurations->performanceTracking(m_level); + if (m_enabled) { + base::utils::DateTime::gettimeofday(&m_startTime); + } +#endif // !defined(ELPP_DISABLE_PERFORMANCE_TRACKING) && ELPP_LOGGING_ENABLED + } + /// @brief Copy constructor + PerformanceTracker(const PerformanceTracker& t) : + m_blockName(t.m_blockName), m_timestampUnit(t.m_timestampUnit), m_loggerId(t.m_loggerId), m_scopedLog(t.m_scopedLog), + m_level(t.m_level), m_hasChecked(t.m_hasChecked), m_lastCheckpointId(t.m_lastCheckpointId), m_enabled(t.m_enabled), + m_startTime(t.m_startTime), m_endTime(t.m_endTime), m_lastCheckpointTime(t.m_lastCheckpointTime) { + } + virtual ~PerformanceTracker(void) { +#if !defined(ELPP_DISABLE_PERFORMANCE_TRACKING) && ELPP_LOGGING_ENABLED + if (m_enabled) { + base::threading::ScopedLock scopedLock(lock()); + if (m_scopedLog) { + base::utils::DateTime::gettimeofday(&m_endTime); + base::type::string_t formattedTime = getFormattedTimeTaken(); + PerformanceTrackingData data(PerformanceTrackingData::DataType::Complete); + data.init(this); + data.m_formattedTimeTaken = formattedTime; + PerformanceTrackingCallback* callback = nullptr; + for (const std::pair& h + : ELPP->m_performanceTrackingCallbacks) { + callback = h.second.get(); + if (callback != nullptr && callback->enabled()) { + callback->acquireLock(); + callback->handle(&data); + callback->releaseLock(); + } + } + } + } +#endif // !defined(ELPP_DISABLE_PERFORMANCE_TRACKING) + } + /// @brief A checkpoint for current performanceTracker block. + void checkpoint(const std::string& id = std::string(), const char* file = __FILE__, unsigned long int line = __LINE__, const char* func = "") { +#if !defined(ELPP_DISABLE_PERFORMANCE_TRACKING) && ELPP_LOGGING_ENABLED + if (m_enabled) { + base::threading::ScopedLock scopedLock(lock()); + base::utils::DateTime::gettimeofday(&m_endTime); + base::type::string_t formattedTime = m_hasChecked ? getFormattedTimeTaken(m_lastCheckpointTime) : ELPP_LITERAL(""); + PerformanceTrackingData data(PerformanceTrackingData::DataType::Checkpoint); + data.init(this); + data.m_checkpointId = id; + data.m_file = file; + data.m_line = line; + data.m_func = func; + data.m_formattedTimeTaken = formattedTime; + PerformanceTrackingCallback* callback = nullptr; + for (const std::pair& h + : ELPP->m_performanceTrackingCallbacks) { + callback = h.second.get(); + if (callback != nullptr && callback->enabled()) { + callback->acquireLock(); + callback->handle(&data); + callback->releaseLock(); + } + } + base::utils::DateTime::gettimeofday(&m_lastCheckpointTime); + m_hasChecked = true; + m_lastCheckpointId = id; + } +#endif // !defined(ELPP_DISABLE_PERFORMANCE_TRACKING) && ELPP_LOGGING_ENABLED + ELPP_UNUSED(id); + ELPP_UNUSED(file); + ELPP_UNUSED(line); + ELPP_UNUSED(func); + } + inline Level level(void) const { return m_level; } + private: + std::string m_blockName; + base::TimestampUnit m_timestampUnit; + std::string m_loggerId; + bool m_scopedLog; + Level m_level; + bool m_hasChecked; + std::string m_lastCheckpointId; + bool m_enabled; + struct timeval m_startTime, m_endTime, m_lastCheckpointTime; + + PerformanceTracker(void); + + friend class el::PerformanceTrackingData; + friend class base::DefaultPerformanceTrackingCallback; + + const inline base::type::string_t getFormattedTimeTaken() const { + return getFormattedTimeTaken(m_startTime); + } + + const base::type::string_t getFormattedTimeTaken(struct timeval startTime) const { + if (ELPP->hasFlag(LoggingFlag::FixedTimeFormat)) { + base::type::stringstream_t ss; + ss << base::utils::DateTime::getTimeDifference(m_endTime, + startTime, m_timestampUnit) << " " << base::consts::kTimeFormats[static_cast(m_timestampUnit)].unit; + return ss.str(); + } + return base::utils::DateTime::formatTime(base::utils::DateTime::getTimeDifference(m_endTime, + startTime, m_timestampUnit), m_timestampUnit); + } + + virtual inline void log(el::base::type::ostream_t& os) const { + os << getFormattedTimeTaken(); + } + }; + class DefaultPerformanceTrackingCallback : public PerformanceTrackingCallback { + protected: + void handle(const PerformanceTrackingData* data) { + m_data = data; + base::type::stringstream_t ss; + if (m_data->dataType() == PerformanceTrackingData::DataType::Complete) { + ss << ELPP_LITERAL("Executed [") << m_data->blockName()->c_str() << ELPP_LITERAL("] in [") << *m_data->formattedTimeTaken() << ELPP_LITERAL("]"); + } else { + ss << ELPP_LITERAL("Performance checkpoint"); + if (!m_data->checkpointId().empty()) { + ss << ELPP_LITERAL(" [") << m_data->checkpointId().c_str() << ELPP_LITERAL("]"); + } + ss << ELPP_LITERAL(" for block [") << m_data->blockName()->c_str() << ELPP_LITERAL("] : [") << *m_data->performanceTracker(); + if (!ELPP->hasFlag(LoggingFlag::DisablePerformanceTrackingCheckpointComparison) && m_data->performanceTracker()->m_hasChecked) { + ss << ELPP_LITERAL(" ([") << *m_data->formattedTimeTaken() << ELPP_LITERAL("] from "); + if (m_data->performanceTracker()->m_lastCheckpointId.empty()) { + ss << ELPP_LITERAL("last checkpoint"); + } else { + ss << ELPP_LITERAL("checkpoint '") << m_data->performanceTracker()->m_lastCheckpointId.c_str() << ELPP_LITERAL("'"); + } + ss << ELPP_LITERAL(")]"); + } else { + ss << ELPP_LITERAL("]"); + } + } + el::base::Writer(m_data->performanceTracker()->level(), m_data->file(), m_data->line(), m_data->func()).construct(1, m_data->loggerId().c_str()) << ss.str(); + } + private: + const PerformanceTrackingData* m_data; + }; + } // namespace base + inline const std::string* PerformanceTrackingData::blockName() const { + return const_cast(&m_performanceTracker->m_blockName); + } + inline const struct timeval* PerformanceTrackingData::startTime() const { + return const_cast(&m_performanceTracker->m_startTime); + } + inline const struct timeval* PerformanceTrackingData::endTime() const { + return const_cast(&m_performanceTracker->m_endTime); + } + inline const struct timeval* PerformanceTrackingData::lastCheckpointTime() const { + return const_cast(&m_performanceTracker->m_lastCheckpointTime); + } + inline const std::string& PerformanceTrackingData::loggerId(void) const { return m_performanceTracker->m_loggerId; } + namespace base { + /// @brief Contains some internal debugging tools like crash handler and stack tracer + namespace debug { + class StackTrace : base::NoCopy { + public: + static const std::size_t kMaxStack = 64; + static const std::size_t kStackStart = 2; // We want to skip c'tor and StackTrace::generateNew() + class StackTraceEntry { + public: + StackTraceEntry(std::size_t index, const char* loc, const char* demang, const char* hex, const char* addr) { + m_index = index; + m_location = std::string(loc); + m_demangled = std::string(demang); + m_hex = std::string(hex); + m_addr = std::string(addr); + } + StackTraceEntry(std::size_t index, char* loc) { + m_index = index; + m_location = std::string(loc); + } + std::size_t m_index; + std::string m_location; + std::string m_demangled; + std::string m_hex; + std::string m_addr; + friend std::ostream& operator<<(std::ostream& ss, const StackTraceEntry& si) { + ss << "[" << si.m_index << "] " << si.m_location << (si.m_demangled.empty() ? "" : ":") << si.m_demangled + << (si.m_hex.empty() ? "" : "+") << si.m_hex << si.m_addr; + return ss; + } + + private: + StackTraceEntry(void); + }; + + StackTrace(void) { + generateNew(); + } + + virtual ~StackTrace(void) { + } + + inline std::vector& getLatestStack(void) { + return m_stack; + } + + friend inline std::ostream& operator<<(std::ostream& os, const StackTrace& st) { + std::vector::const_iterator it = st.m_stack.begin(); + while (it != st.m_stack.end()) { + os << " " << *it++ << "\n"; + } + return os; + } + + private: + std::vector m_stack; + + void generateNew(void) { +#if ELPP_STACKTRACE + m_stack.clear(); + void* stack[kMaxStack]; + std::size_t size = backtrace(stack, kMaxStack); + char** strings = backtrace_symbols(stack, size); + if (size > kStackStart) { // Skip StackTrace c'tor and generateNew + for (std::size_t i = kStackStart; i < size; ++i) { + char* mangName = nullptr; + char* hex = nullptr; + char* addr = nullptr; + for (char* c = strings[i]; *c; ++c) { + switch (*c) { + case '(': + mangName = c; + break; + case '+': + hex = c; + break; + case ')': + addr = c; + break; + default: + break; + } + } + // Perform demangling if parsed properly + if (mangName != nullptr && hex != nullptr && addr != nullptr && mangName < hex) { + *mangName++ = '\0'; + *hex++ = '\0'; + *addr++ = '\0'; + int status = 0; + char* demangName = abi::__cxa_demangle(mangName, 0, 0, &status); + // if demangling is successful, output the demangled function name + if (status == 0) { + // Success (see http://gcc.gnu.org/onlinedocs/libstdc++/libstdc++-html-USERS-4.3/a01696.html) + StackTraceEntry entry(i - 1, strings[i], demangName, hex, addr); + m_stack.push_back(entry); + } else { + // Not successful - we will use mangled name + StackTraceEntry entry(i - 1, strings[i], mangName, hex, addr); + m_stack.push_back(entry); + } + free(demangName); + } else { + StackTraceEntry entry(i - 1, strings[i]); + m_stack.push_back(entry); + } + } + } + free(strings); +#else + ELPP_INTERNAL_INFO(1, "Stacktrace generation not supported for selected compiler"); +#endif // ELPP_STACKTRACE + } + }; + static std::string crashReason(int sig) { + std::stringstream ss; + bool foundReason = false; + for (int i = 0; i < base::consts::kCrashSignalsCount; ++i) { + if (base::consts::kCrashSignals[i].numb == sig) { + ss << "Application has crashed due to [" << base::consts::kCrashSignals[i].name << "] signal"; + if (ELPP->hasFlag(el::LoggingFlag::LogDetailedCrashReason)) { + ss << std::endl << + " " << base::consts::kCrashSignals[i].brief << std::endl << + " " << base::consts::kCrashSignals[i].detail; + } + foundReason = true; + } + } + if (!foundReason) { + ss << "Application has crashed due to unknown signal [" << sig << "]"; + } + return ss.str(); + } + /// @brief Logs reason of crash from sig + static void logCrashReason(int sig, bool stackTraceIfAvailable, Level level, const char* logger) { + std::stringstream ss; + ss << "CRASH HANDLED; "; + ss << crashReason(sig); +#if ELPP_STACKTRACE + if (stackTraceIfAvailable) { + ss << std::endl << " ======= Backtrace: =========" << std::endl << base::debug::StackTrace(); + } +#else + ELPP_UNUSED(stackTraceIfAvailable); +#endif // ELPP_STACKTRACE + ELPP_WRITE_LOG(el::base::Writer, level, base::DispatchAction::NormalLog, logger) << ss.str(); + } + static inline void crashAbort(int sig) { + base::utils::abort(sig); + } + /// @brief Default application crash handler + /// + /// @detail This function writes log using 'default' logger, prints stack trace for GCC based compilers and aborts program. + static inline void defaultCrashHandler(int sig) { + base::debug::logCrashReason(sig, true, Level::Fatal, base::consts::kDefaultLoggerId); + base::debug::crashAbort(sig); + } + /// @brief Handles unexpected crashes + class CrashHandler : base::NoCopy { + public: + typedef void (*Handler)(int); + + explicit CrashHandler(bool useDefault) { + if (useDefault) { + setHandler(defaultCrashHandler); + } + } + explicit CrashHandler(const Handler& cHandler) { + setHandler(cHandler); + } + void setHandler(const Handler& cHandler) { + m_handler = cHandler; +#if defined(ELPP_HANDLE_SIGABRT) + int i = 0; // SIGABRT is at base::consts::kCrashSignals[0] +#else + int i = 1; +#endif // defined(ELPP_HANDLE_SIGABRT) + for (; i < base::consts::kCrashSignalsCount; ++i) { + m_handler = signal(base::consts::kCrashSignals[i].numb, cHandler); + } + } + + private: + Handler m_handler; + }; + } // namespace debug + } // namespace base + extern base::debug::CrashHandler elCrashHandler; +#define MAKE_LOGGABLE(ClassType, ClassInstance, OutputStreamInstance) \ +el::base::type::ostream_t& operator<<(el::base::type::ostream_t& OutputStreamInstance, const ClassType& ClassInstance) + /// @brief Initializes syslog with process ID, options and facility. calls closelog() on d'tor + class SysLogInitializer { + public: + SysLogInitializer(const char* processIdent, int options = 0, int facility = 0) { +#if defined(ELPP_SYSLOG) + openlog(processIdent, options, facility); +#else + ELPP_UNUSED(processIdent); + ELPP_UNUSED(options); + ELPP_UNUSED(facility); +#endif // defined(ELPP_SYSLOG) + } + virtual ~SysLogInitializer(void) { +#if defined(ELPP_SYSLOG) + closelog(); +#endif // defined(ELPP_SYSLOG) + } + }; +#define ELPP_INITIALIZE_SYSLOG(id, opt, fac) el::SysLogInitializer elSyslogInit(id, opt, fac) + /// @brief Static helpers for developers + class Helpers : base::StaticClass { + public: + /// @brief Shares logging repository (base::Storage) + static inline void setStorage(base::type::StoragePointer storage) { + ELPP = storage; + } + /// @return Main storage repository + static inline base::type::StoragePointer storage() { + return ELPP; + } + /// @brief Sets application arguments and figures out whats active for logging and whats not. + static inline void setArgs(int argc, char** argv) { + ELPP->setApplicationArguments(argc, argv); + } + /// @copydoc setArgs(int argc, char** argv) + static inline void setArgs(int argc, const char** argv) { + ELPP->setApplicationArguments(argc, const_cast(argv)); + } + /// @brief Overrides default crash handler and installs custom handler. + /// @param crashHandler A functor with no return type that takes single int argument. + /// Handler is a typedef with specification: void (*Handler)(int) + static inline void setCrashHandler(const el::base::debug::CrashHandler::Handler& crashHandler) { + el::elCrashHandler.setHandler(crashHandler); + } + /// @brief Abort due to crash with signal in parameter + /// @param sig Crash signal + static inline void crashAbort(int sig, const char* sourceFile = "", unsigned int long line = 0) { + std::stringstream ss; + ss << base::debug::crashReason(sig).c_str(); + ss << " - [Called el::Helpers::crashAbort(" << sig << ")]"; + if (sourceFile != nullptr && strlen(sourceFile) > 0) { + ss << " - Source: " << sourceFile; + if (line > 0) + ss << ":" << line; + else + ss << " (line number not specified)"; + } + base::utils::abort(sig, ss.str()); + } + /// @brief Logs reason of crash as per sig + /// @param sig Crash signal + /// @param stackTraceIfAvailable Includes stack trace if available + /// @param level Logging level + /// @param logger Logger to use for logging + static inline void logCrashReason(int sig, bool stackTraceIfAvailable = false, + Level level = Level::Fatal, const char* logger = base::consts::kDefaultLoggerId) { + el::base::debug::logCrashReason(sig, stackTraceIfAvailable, level, logger); + } + /// @brief Installs pre rollout callback, this callback is triggered when log file is about to be rolled out + /// (can be useful for backing up) + static inline void installPreRollOutCallback(const PreRollOutCallback& callback) { + ELPP->setPreRollOutCallback(callback); + } + /// @brief Uninstalls pre rollout callback + static inline void uninstallPreRollOutCallback(void) { + ELPP->unsetPreRollOutCallback(); + } + /// @brief Installs post log dispatch callback, this callback is triggered when log is dispatched + template + static inline bool installLogDispatchCallback(const std::string& id) { + return ELPP->installLogDispatchCallback(id); + } + /// @brief Uninstalls log dispatch callback + template + static inline void uninstallLogDispatchCallback(const std::string& id) { + ELPP->uninstallLogDispatchCallback(id); + } + template + static inline T* logDispatchCallback(const std::string& id) { + return ELPP->logDispatchCallback(id); + } + /// @brief Installs post performance tracking callback, this callback is triggered when performance tracking is finished + template + static inline bool installPerformanceTrackingCallback(const std::string& id) { + return ELPP->installPerformanceTrackingCallback(id); + } + /// @brief Uninstalls post performance tracking handler + template + static inline void uninstallPerformanceTrackingCallback(const std::string& id) { + ELPP->uninstallPerformanceTrackingCallback(id); + } + template + static inline T* performanceTrackingCallback(const std::string& id) { + return ELPP->performanceTrackingCallback(id); + } + /// @brief Converts template to std::string - useful for loggable classes to log containers within log(std::ostream&) const + template + static std::string convertTemplateToStdString(const T& templ) { + el::Logger* logger = + ELPP->registeredLoggers()->get(el::base::consts::kDefaultLoggerId); + if (logger == nullptr) { + return std::string(); + } + base::MessageBuilder b; + b.initialize(logger); + logger->acquireLock(); + b << templ; +#if defined(ELPP_UNICODE) + std::string s = std::string(logger->stream().str().begin(), logger->stream().str().end()); +#else + std::string s = logger->stream().str(); +#endif // defined(ELPP_UNICODE) + logger->stream().str(ELPP_LITERAL("")); + logger->releaseLock(); + return s; + } + /// @brief Returns command line arguments (pointer) provided to easylogging++ + static inline const el::base::utils::CommandLineArgs* commandLineArgs(void) { + return ELPP->commandLineArgs(); + } + /// @brief Installs user defined format specifier and handler + static inline void installCustomFormatSpecifier(const CustomFormatSpecifier& customFormatSpecifier) { + ELPP->installCustomFormatSpecifier(customFormatSpecifier); + } + /// @brief Uninstalls user defined format specifier and handler + static inline bool uninstallCustomFormatSpecifier(const char* formatSpecifier) { + return ELPP->uninstallCustomFormatSpecifier(formatSpecifier); + } + /// @brief Returns true if custom format specifier is installed + static inline bool hasCustomFormatSpecifier(const char* formatSpecifier) { + return ELPP->hasCustomFormatSpecifier(formatSpecifier); + } + static inline void validateFileRolling(Logger* logger, Level level) { + if (logger == nullptr) return; + logger->m_typedConfigurations->validateFileRolling(level, ELPP->preRollOutCallback()); + } + }; + /// @brief Static helpers to deal with loggers and their configurations + class Loggers : base::StaticClass { + public: + /// @brief Gets existing or registers new logger + static inline Logger* getLogger(const std::string& identity, bool registerIfNotAvailable = true) { + base::threading::ScopedLock scopedLock(ELPP->lock()); + return ELPP->registeredLoggers()->get(identity, registerIfNotAvailable); + } + /// @brief Unregisters logger - use it only when you know what you are doing, you may unregister + /// loggers initialized / used by third-party libs. + static inline bool unregisterLogger(const std::string& identity) { + base::threading::ScopedLock scopedLock(ELPP->lock()); + return ELPP->registeredLoggers()->remove(identity); + } + /// @brief Whether or not logger with id is registered + static inline bool hasLogger(const std::string& identity) { + base::threading::ScopedLock scopedLock(ELPP->lock()); + return ELPP->registeredLoggers()->has(identity); + } + /// @brief Reconfigures specified logger with new configurations + static inline Logger* reconfigureLogger(Logger* logger, const Configurations& configurations) { + if (!logger) return nullptr; + logger->configure(configurations); + return logger; + } + /// @brief Reconfigures logger with new configurations after looking it up using identity + static inline Logger* reconfigureLogger(const std::string& identity, const Configurations& configurations) { + return Loggers::reconfigureLogger(Loggers::getLogger(identity), configurations); + } + /// @brief Reconfigures logger's single configuration + static inline Logger* reconfigureLogger(const std::string& identity, ConfigurationType configurationType, + const std::string& value) { + Logger* logger = Loggers::getLogger(identity); + if (logger == nullptr) { + return nullptr; + } + logger->configurations()->set(Level::Global, configurationType, value); + logger->reconfigure(); + return logger; + } + /// @brief Reconfigures all the existing loggers with new configurations + static inline void reconfigureAllLoggers(const Configurations& configurations) { + for (base::RegisteredLoggers::iterator it = ELPP->registeredLoggers()->begin(); + it != ELPP->registeredLoggers()->end(); ++it) { + Loggers::reconfigureLogger(it->second, configurations); + } + } + /// @brief Reconfigures single configuration for all the loggers + static inline void reconfigureAllLoggers(ConfigurationType configurationType, const std::string& value) { + reconfigureAllLoggers(Level::Global, configurationType, value); + } + /// @brief Reconfigures single configuration for all the loggers for specified level + static inline void reconfigureAllLoggers(Level level, ConfigurationType configurationType, + const std::string& value) { + for (base::RegisteredLoggers::iterator it = ELPP->registeredLoggers()->begin(); + it != ELPP->registeredLoggers()->end(); ++it) { + Logger* logger = it->second; + logger->configurations()->set(level, configurationType, value); + logger->reconfigure(); + } + } + /// @brief Sets default configurations. This configuration is used for future (and conditionally for existing) loggers + static inline void setDefaultConfigurations(const Configurations& configurations, bool reconfigureExistingLoggers = false) { + ELPP->registeredLoggers()->setDefaultConfigurations(configurations); + if (reconfigureExistingLoggers) { + Loggers::reconfigureAllLoggers(configurations); + } + } + /// @brief Returns current default + static inline const Configurations* defaultConfigurations(void) { + return ELPP->registeredLoggers()->defaultConfigurations(); + } + /// @brief Returns log stream reference pointer if needed by user + static inline const base::LogStreamsReferenceMap* logStreamsReference(void) { + return ELPP->registeredLoggers()->logStreamsReference(); + } + /// @brief Default typed configuration based on existing defaultConf + static base::TypedConfigurations defaultTypedConfigurations(void) { + return base::TypedConfigurations( + ELPP->registeredLoggers()->defaultConfigurations(), + ELPP->registeredLoggers()->logStreamsReference()); + } + /// @brief Populates all logger IDs in current repository. + /// @param [out] targetList List of fill up. + static inline std::vector* populateAllLoggerIds(std::vector* targetList) { + targetList->clear(); + for (base::RegisteredLoggers::iterator it = ELPP->registeredLoggers()->list().begin(); + it != ELPP->registeredLoggers()->list().end(); ++it) { + targetList->push_back(it->first); + } + return targetList; + } + /// @brief Sets configurations from global configuration file. + static void configureFromGlobal(const char* globalConfigurationFilePath) { + std::ifstream gcfStream(globalConfigurationFilePath, std::ifstream::in); + ELPP_ASSERT(gcfStream.is_open(), "Unable to open global configuration file [" << globalConfigurationFilePath + << "] for parsing."); + std::string line = std::string(); + std::stringstream ss; + Logger* logger = nullptr; + auto configure = [&](void) { + ELPP_INTERNAL_INFO(8, "Configuring logger: '" << logger->id() << "' with configurations \n" << ss.str() + << "\n--------------"); + Configurations c; + c.parseFromText(ss.str()); + logger->configure(c); + }; + while (gcfStream.good()) { + std::getline(gcfStream, line); + ELPP_INTERNAL_INFO(1, "Parsing line: " << line); + base::utils::Str::trim(line); + if (Configurations::Parser::isComment(line)) continue; + Configurations::Parser::ignoreComments(&line); + base::utils::Str::trim(line); + if (line.size() > 2 && base::utils::Str::startsWith(line, std::string(base::consts::kConfigurationLoggerId))) { + if (!ss.str().empty() && logger != nullptr) { + configure(); + } + ss.str(std::string("")); + line = line.substr(2); + base::utils::Str::trim(line); + if (line.size() > 1) { + ELPP_INTERNAL_INFO(1, "Getting logger: '" << line << "'"); + logger = getLogger(line); + } + } else { + ss << line << "\n"; + } + } + if (!ss.str().empty() && logger != nullptr) { + configure(); + } + } + /// @brief Configures loggers using command line arg. Ensure you have already set command line args, + /// @return False if invalid argument or argument with no value provided, true if attempted to configure logger. + /// If true is returned that does not mean it has been configured successfully, it only means that it + /// has attempeted to configure logger using configuration file provided in argument + static inline bool configureFromArg(const char* argKey) { +#if defined(ELPP_DISABLE_CONFIGURATION_FROM_PROGRAM_ARGS) + ELPP_UNUSED(argKey); +#else + if (!Helpers::commandLineArgs()->hasParamWithValue(argKey)) { + return false; + } + configureFromGlobal(Helpers::commandLineArgs()->getParamValue(argKey)); +#endif // defined(ELPP_DISABLE_CONFIGURATION_FROM_PROGRAM_ARGS) + return true; + } + /// @brief Flushes all loggers for all levels - Be careful if you dont know how many loggers are registered + static inline void flushAll(void) { + ELPP->registeredLoggers()->flushAll(); + } + /// @brief Adds logging flag used internally. + static inline void addFlag(LoggingFlag flag) { + ELPP->addFlag(flag); + } + /// @brief Removes logging flag used internally. + static inline void removeFlag(LoggingFlag flag) { + ELPP->removeFlag(flag); + } + /// @brief Determines whether or not certain flag is active + static inline bool hasFlag(LoggingFlag flag) { + return ELPP->hasFlag(flag); + } + /// @brief Adds flag and removes it when scope goes out + class ScopedAddFlag { + public: + ScopedAddFlag(LoggingFlag flag) : m_flag(flag) { Loggers::addFlag(m_flag); } + ~ScopedAddFlag(void) { Loggers::removeFlag(m_flag); } + private: + LoggingFlag m_flag; + }; + /// @brief Removes flag and add it when scope goes out + class ScopedRemoveFlag { + public: + ScopedRemoveFlag(LoggingFlag flag) : m_flag(flag) { Loggers::removeFlag(m_flag); } + ~ScopedRemoveFlag(void) { Loggers::addFlag(m_flag); } + private: + LoggingFlag m_flag; + }; + /// @brief Sets hierarchy for logging. Needs to enable logging flag (HierarchicalLogging) + static inline void setLoggingLevel(Level level) { + ELPP->setLoggingLevel(level); + } + /// @brief Sets verbose level on the fly + static inline void setVerboseLevel(base::type::VerboseLevel level) { + ELPP->vRegistry()->setLevel(level); + } + /// @brief Gets current verbose level + static inline base::type::VerboseLevel verboseLevel(void) { + return ELPP->vRegistry()->level(); + } + /// @brief Sets vmodules as specified (on the fly) + static inline void setVModules(const char* modules) { + if (ELPP->vRegistry()->vModulesEnabled()) { + ELPP->vRegistry()->setModules(modules); + } + } + /// @brief Clears vmodules + static inline void clearVModules(void) { + ELPP->vRegistry()->clearModules(); + } + }; + class VersionInfo : base::StaticClass { + public: + /// @brief Current version number + static inline const std::string version(void) { return std::string("9.84"); } + /// @brief Release date of current version + static inline const std::string releaseDate(void) { return std::string("29-07-2016 1221hrs"); } + }; +} // namespace el +#undef VLOG_IS_ON +/// @brief Determines whether verbose logging is on for specified level current file. +#define VLOG_IS_ON(verboseLevel) (ELPP->vRegistry()->allowed(verboseLevel, __FILE__)) +#undef TIMED_BLOCK +#undef TIMED_SCOPE +#undef TIMED_FUNC +#undef ELPP_MIN_UNIT +#if defined(ELPP_PERFORMANCE_MICROSECONDS) +# define ELPP_MIN_UNIT el::base::TimestampUnit::Microsecond +#else +# define ELPP_MIN_UNIT el::base::TimestampUnit::Millisecond +#endif // (defined(ELPP_PERFORMANCE_MICROSECONDS)) +/// @brief Performance tracked scope. Performance gets written when goes out of scope using +/// 'performance' logger. +/// +/// @detail Please note in order to check the performance at a certain time you can use obj.checkpoint(); +/// @see el::base::PerformanceTracker +/// @see el::base::PerformanceTracker::checkpoint +// Note: Do not surround this definition with null macro because of obj instance +#define TIMED_SCOPE(obj, blockname) el::base::PerformanceTracker obj(blockname, ELPP_MIN_UNIT) +#define TIMED_BLOCK(obj, blockName) for (struct { int i; el::base::PerformanceTracker timer; } obj = { 0, \ +el::base::PerformanceTracker(blockName, ELPP_MIN_UNIT) }; obj.i < 1; ++obj.i) +/// @brief Performance tracked function. Performance gets written when goes out of scope using +/// 'performance' logger. +/// +/// @detail Please note in order to check the performance at a certain time you can use obj.checkpoint(); +/// @see el::base::PerformanceTracker +/// @see el::base::PerformanceTracker::checkpoint +#define TIMED_FUNC(obj) TIMED_SCOPE(obj, ELPP_FUNC) +#undef PERFORMANCE_CHECKPOINT +#undef PERFORMANCE_CHECKPOINT_WITH_ID +#define PERFORMANCE_CHECKPOINT(obj) obj.checkpoint(std::string(), __FILE__, __LINE__, ELPP_FUNC) +#define PERFORMANCE_CHECKPOINT_WITH_ID(obj, id) obj.checkpoint(id, __FILE__, __LINE__, ELPP_FUNC) +#undef ELPP_COUNTER +#undef ELPP_COUNTER_POS +/// @brief Gets hit counter for file/line +#define ELPP_COUNTER (ELPP->hitCounters()->getCounter(__FILE__, __LINE__)) +/// @brief Gets hit counter position for file/line, -1 if not registered yet +#define ELPP_COUNTER_POS (ELPP_COUNTER == nullptr ? -1 : ELPP_COUNTER->hitCounts()) +// Undef levels to support LOG(LEVEL) +#undef INFO +#undef WARNING +#undef DEBUG +#undef ERROR +#undef FATAL +#undef TRACE +#undef VERBOSE +// Undef existing +#undef CINFO +#undef CWARNING +#undef CDEBUG +#undef CFATAL +#undef CERROR +#undef CTRACE +#undef CVERBOSE +#undef CINFO_IF +#undef CWARNING_IF +#undef CDEBUG_IF +#undef CERROR_IF +#undef CFATAL_IF +#undef CTRACE_IF +#undef CVERBOSE_IF +#undef CINFO_EVERY_N +#undef CWARNING_EVERY_N +#undef CDEBUG_EVERY_N +#undef CERROR_EVERY_N +#undef CFATAL_EVERY_N +#undef CTRACE_EVERY_N +#undef CVERBOSE_EVERY_N +#undef CINFO_AFTER_N +#undef CWARNING_AFTER_N +#undef CDEBUG_AFTER_N +#undef CERROR_AFTER_N +#undef CFATAL_AFTER_N +#undef CTRACE_AFTER_N +#undef CVERBOSE_AFTER_N +#undef CINFO_N_TIMES +#undef CWARNING_N_TIMES +#undef CDEBUG_N_TIMES +#undef CERROR_N_TIMES +#undef CFATAL_N_TIMES +#undef CTRACE_N_TIMES +#undef CVERBOSE_N_TIMES +// Normal logs +#if ELPP_INFO_LOG +# define CINFO(writer, dispatchAction, ...) ELPP_WRITE_LOG(writer, el::Level::Info, dispatchAction, __VA_ARGS__) +#else +# define CINFO(writer, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_INFO_LOG +#if ELPP_WARNING_LOG +# define CWARNING(writer, dispatchAction, ...) ELPP_WRITE_LOG(writer, el::Level::Warning, dispatchAction, __VA_ARGS__) +#else +# define CWARNING(writer, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_WARNING_LOG +#if ELPP_DEBUG_LOG +# define CDEBUG(writer, dispatchAction, ...) ELPP_WRITE_LOG(writer, el::Level::Debug, dispatchAction, __VA_ARGS__) +#else +# define CDEBUG(writer, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_DEBUG_LOG +#if ELPP_ERROR_LOG +# define CERROR(writer, dispatchAction, ...) ELPP_WRITE_LOG(writer, el::Level::Error, dispatchAction, __VA_ARGS__) +#else +# define CERROR(writer, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_ERROR_LOG +#if ELPP_FATAL_LOG +# define CFATAL(writer, dispatchAction, ...) ELPP_WRITE_LOG(writer, el::Level::Fatal, dispatchAction, __VA_ARGS__) +#else +# define CFATAL(writer, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_FATAL_LOG +#if ELPP_TRACE_LOG +# define CTRACE(writer, dispatchAction, ...) ELPP_WRITE_LOG(writer, el::Level::Trace, dispatchAction, __VA_ARGS__) +#else +# define CTRACE(writer, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_TRACE_LOG +#if ELPP_VERBOSE_LOG +# define CVERBOSE(writer, vlevel, dispatchAction, ...) if (VLOG_IS_ON(vlevel)) writer(\ +el::Level::Verbose, __FILE__, __LINE__, ELPP_FUNC, dispatchAction, vlevel).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__) +#else +# define CVERBOSE(writer, vlevel, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_VERBOSE_LOG +// Conditional logs +#if ELPP_INFO_LOG +# define CINFO_IF(writer, condition_, dispatchAction, ...) \ +ELPP_WRITE_LOG_IF(writer, (condition_), el::Level::Info, dispatchAction, __VA_ARGS__) +#else +# define CINFO_IF(writer, condition_, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_INFO_LOG +#if ELPP_WARNING_LOG +# define CWARNING_IF(writer, condition_, dispatchAction, ...)\ +ELPP_WRITE_LOG_IF(writer, (condition_), el::Level::Warning, dispatchAction, __VA_ARGS__) +#else +# define CWARNING_IF(writer, condition_, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_WARNING_LOG +#if ELPP_DEBUG_LOG +# define CDEBUG_IF(writer, condition_, dispatchAction, ...)\ +ELPP_WRITE_LOG_IF(writer, (condition_), el::Level::Debug, dispatchAction, __VA_ARGS__) +#else +# define CDEBUG_IF(writer, condition_, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_DEBUG_LOG +#if ELPP_ERROR_LOG +# define CERROR_IF(writer, condition_, dispatchAction, ...)\ +ELPP_WRITE_LOG_IF(writer, (condition_), el::Level::Error, dispatchAction, __VA_ARGS__) +#else +# define CERROR_IF(writer, condition_, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_ERROR_LOG +#if ELPP_FATAL_LOG +# define CFATAL_IF(writer, condition_, dispatchAction, ...)\ +ELPP_WRITE_LOG_IF(writer, (condition_), el::Level::Fatal, dispatchAction, __VA_ARGS__) +#else +# define CFATAL_IF(writer, condition_, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_FATAL_LOG +#if ELPP_TRACE_LOG +# define CTRACE_IF(writer, condition_, dispatchAction, ...)\ +ELPP_WRITE_LOG_IF(writer, (condition_), el::Level::Trace, dispatchAction, __VA_ARGS__) +#else +# define CTRACE_IF(writer, condition_, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_TRACE_LOG +#if ELPP_VERBOSE_LOG +# define CVERBOSE_IF(writer, condition_, vlevel, dispatchAction, ...) if (VLOG_IS_ON(vlevel) && (condition_)) writer( \ +el::Level::Verbose, __FILE__, __LINE__, ELPP_FUNC, dispatchAction, vlevel).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__) +#else +# define CVERBOSE_IF(writer, condition_, vlevel, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_VERBOSE_LOG +// Occasional logs +#if ELPP_INFO_LOG +# define CINFO_EVERY_N(writer, occasion, dispatchAction, ...)\ +ELPP_WRITE_LOG_EVERY_N(writer, occasion, el::Level::Info, dispatchAction, __VA_ARGS__) +#else +# define CINFO_EVERY_N(writer, occasion, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_INFO_LOG +#if ELPP_WARNING_LOG +# define CWARNING_EVERY_N(writer, occasion, dispatchAction, ...)\ +ELPP_WRITE_LOG_EVERY_N(writer, occasion, el::Level::Warning, dispatchAction, __VA_ARGS__) +#else +# define CWARNING_EVERY_N(writer, occasion, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_WARNING_LOG +#if ELPP_DEBUG_LOG +# define CDEBUG_EVERY_N(writer, occasion, dispatchAction, ...)\ +ELPP_WRITE_LOG_EVERY_N(writer, occasion, el::Level::Debug, dispatchAction, __VA_ARGS__) +#else +# define CDEBUG_EVERY_N(writer, occasion, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_DEBUG_LOG +#if ELPP_ERROR_LOG +# define CERROR_EVERY_N(writer, occasion, dispatchAction, ...)\ +ELPP_WRITE_LOG_EVERY_N(writer, occasion, el::Level::Error, dispatchAction, __VA_ARGS__) +#else +# define CERROR_EVERY_N(writer, occasion, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_ERROR_LOG +#if ELPP_FATAL_LOG +# define CFATAL_EVERY_N(writer, occasion, dispatchAction, ...)\ +ELPP_WRITE_LOG_EVERY_N(writer, occasion, el::Level::Fatal, dispatchAction, __VA_ARGS__) +#else +# define CFATAL_EVERY_N(writer, occasion, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_FATAL_LOG +#if ELPP_TRACE_LOG +# define CTRACE_EVERY_N(writer, occasion, dispatchAction, ...)\ +ELPP_WRITE_LOG_EVERY_N(writer, occasion, el::Level::Trace, dispatchAction, __VA_ARGS__) +#else +# define CTRACE_EVERY_N(writer, occasion, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_TRACE_LOG +#if ELPP_VERBOSE_LOG +# define CVERBOSE_EVERY_N(writer, occasion, vlevel, dispatchAction, ...)\ +CVERBOSE_IF(writer, ELPP->validateEveryNCounter(__FILE__, __LINE__, occasion), vlevel, dispatchAction, __VA_ARGS__) +#else +# define CVERBOSE_EVERY_N(writer, occasion, vlevel, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_VERBOSE_LOG +// After N logs +#if ELPP_INFO_LOG +# define CINFO_AFTER_N(writer, n, dispatchAction, ...)\ +ELPP_WRITE_LOG_AFTER_N(writer, n, el::Level::Info, dispatchAction, __VA_ARGS__) +#else +# define CINFO_AFTER_N(writer, n, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_INFO_LOG +#if ELPP_WARNING_LOG +# define CWARNING_AFTER_N(writer, n, dispatchAction, ...)\ +ELPP_WRITE_LOG_AFTER_N(writer, n, el::Level::Warning, dispatchAction, __VA_ARGS__) +#else +# define CWARNING_AFTER_N(writer, n, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_WARNING_LOG +#if ELPP_DEBUG_LOG +# define CDEBUG_AFTER_N(writer, n, dispatchAction, ...)\ +ELPP_WRITE_LOG_AFTER_N(writer, n, el::Level::Debug, dispatchAction, __VA_ARGS__) +#else +# define CDEBUG_AFTER_N(writer, n, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_DEBUG_LOG +#if ELPP_ERROR_LOG +# define CERROR_AFTER_N(writer, n, dispatchAction, ...)\ +ELPP_WRITE_LOG_AFTER_N(writer, n, el::Level::Error, dispatchAction, __VA_ARGS__) +#else +# define CERROR_AFTER_N(writer, n, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_ERROR_LOG +#if ELPP_FATAL_LOG +# define CFATAL_AFTER_N(writer, n, dispatchAction, ...)\ +ELPP_WRITE_LOG_AFTER_N(writer, n, el::Level::Fatal, dispatchAction, __VA_ARGS__) +#else +# define CFATAL_AFTER_N(writer, n, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_FATAL_LOG +#if ELPP_TRACE_LOG +# define CTRACE_AFTER_N(writer, n, dispatchAction, ...)\ +ELPP_WRITE_LOG_AFTER_N(writer, n, el::Level::Trace, dispatchAction, __VA_ARGS__) +#else +# define CTRACE_AFTER_N(writer, n, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_TRACE_LOG +#if ELPP_VERBOSE_LOG +# define CVERBOSE_AFTER_N(writer, n, vlevel, dispatchAction, ...)\ +CVERBOSE_IF(writer, ELPP->validateAfterNCounter(__FILE__, __LINE__, n), vlevel, dispatchAction, __VA_ARGS__) +#else +# define CVERBOSE_AFTER_N(writer, n, vlevel, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_VERBOSE_LOG +// N Times logs +#if ELPP_INFO_LOG +# define CINFO_N_TIMES(writer, n, dispatchAction, ...)\ +ELPP_WRITE_LOG_N_TIMES(writer, n, el::Level::Info, dispatchAction, __VA_ARGS__) +#else +# define CINFO_N_TIMES(writer, n, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_INFO_LOG +#if ELPP_WARNING_LOG +# define CWARNING_N_TIMES(writer, n, dispatchAction, ...)\ +ELPP_WRITE_LOG_N_TIMES(writer, n, el::Level::Warning, dispatchAction, __VA_ARGS__) +#else +# define CWARNING_N_TIMES(writer, n, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_WARNING_LOG +#if ELPP_DEBUG_LOG +# define CDEBUG_N_TIMES(writer, n, dispatchAction, ...)\ +ELPP_WRITE_LOG_N_TIMES(writer, n, el::Level::Debug, dispatchAction, __VA_ARGS__) +#else +# define CDEBUG_N_TIMES(writer, n, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_DEBUG_LOG +#if ELPP_ERROR_LOG +# define CERROR_N_TIMES(writer, n, dispatchAction, ...)\ +ELPP_WRITE_LOG_N_TIMES(writer, n, el::Level::Error, dispatchAction, __VA_ARGS__) +#else +# define CERROR_N_TIMES(writer, n, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_ERROR_LOG +#if ELPP_FATAL_LOG +# define CFATAL_N_TIMES(writer, n, dispatchAction, ...)\ +ELPP_WRITE_LOG_N_TIMES(writer, n, el::Level::Fatal, dispatchAction, __VA_ARGS__) +#else +# define CFATAL_N_TIMES(writer, n, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_FATAL_LOG +#if ELPP_TRACE_LOG +# define CTRACE_N_TIMES(writer, n, dispatchAction, ...)\ +ELPP_WRITE_LOG_N_TIMES(writer, n, el::Level::Trace, dispatchAction, __VA_ARGS__) +#else +# define CTRACE_N_TIMES(writer, n, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_TRACE_LOG +#if ELPP_VERBOSE_LOG +# define CVERBOSE_N_TIMES(writer, n, vlevel, dispatchAction, ...)\ +CVERBOSE_IF(writer, ELPP->validateNTimesCounter(__FILE__, __LINE__, n), vlevel, dispatchAction, __VA_ARGS__) +#else +# define CVERBOSE_N_TIMES(writer, n, vlevel, dispatchAction, ...) el::base::NullWriter() +#endif // ELPP_VERBOSE_LOG +// +// Custom Loggers - Requires (level, dispatchAction, loggerId/s) +// +// undef existing +#undef CLOG +#undef CLOG_VERBOSE +#undef CVLOG +#undef CLOG_IF +#undef CLOG_VERBOSE_IF +#undef CVLOG_IF +#undef CLOG_EVERY_N +#undef CVLOG_EVERY_N +#undef CLOG_AFTER_N +#undef CVLOG_AFTER_N +#undef CLOG_N_TIMES +#undef CVLOG_N_TIMES +// Normal logs +#define CLOG(LEVEL, ...)\ +C##LEVEL(el::base::Writer, el::base::DispatchAction::NormalLog, __VA_ARGS__) +#define CVLOG(vlevel, ...) CVERBOSE(el::base::Writer, vlevel, el::base::DispatchAction::NormalLog, __VA_ARGS__) +// Conditional logs +#define CLOG_IF(condition, LEVEL, ...)\ +C##LEVEL##_IF(el::base::Writer, condition, el::base::DispatchAction::NormalLog, __VA_ARGS__) +#define CVLOG_IF(condition, vlevel, ...)\ +CVERBOSE_IF(el::base::Writer, condition, vlevel, el::base::DispatchAction::NormalLog, __VA_ARGS__) +// Hit counts based logs +#define CLOG_EVERY_N(n, LEVEL, ...)\ +C##LEVEL##_EVERY_N(el::base::Writer, n, el::base::DispatchAction::NormalLog, __VA_ARGS__) +#define CVLOG_EVERY_N(n, vlevel, ...)\ +CVERBOSE_EVERY_N(el::base::Writer, n, vlevel, el::base::DispatchAction::NormalLog, __VA_ARGS__) +#define CLOG_AFTER_N(n, LEVEL, ...)\ +C##LEVEL##_AFTER_N(el::base::Writer, n, el::base::DispatchAction::NormalLog, __VA_ARGS__) +#define CVLOG_AFTER_N(n, vlevel, ...)\ +CVERBOSE_AFTER_N(el::base::Writer, n, vlevel, el::base::DispatchAction::NormalLog, __VA_ARGS__) +#define CLOG_N_TIMES(n, LEVEL, ...)\ +C##LEVEL##_N_TIMES(el::base::Writer, n, el::base::DispatchAction::NormalLog, __VA_ARGS__) +#define CVLOG_N_TIMES(n, vlevel, ...)\ +CVERBOSE_N_TIMES(el::base::Writer, n, vlevel, el::base::DispatchAction::NormalLog, __VA_ARGS__) +// +// Default Loggers macro using CLOG(), CLOG_VERBOSE() and CVLOG() macros +// +// undef existing +#undef LOG +#undef VLOG +#undef LOG_IF +#undef VLOG_IF +#undef LOG_EVERY_N +#undef VLOG_EVERY_N +#undef LOG_AFTER_N +#undef VLOG_AFTER_N +#undef LOG_N_TIMES +#undef VLOG_N_TIMES +#undef ELPP_CURR_FILE_LOGGER_ID +#if defined(ELPP_DEFAULT_LOGGER) +# define ELPP_CURR_FILE_LOGGER_ID ELPP_DEFAULT_LOGGER +#else +# define ELPP_CURR_FILE_LOGGER_ID el::base::consts::kDefaultLoggerId +#endif +#undef ELPP_TRACE +#define ELPP_TRACE CLOG(TRACE, ELPP_CURR_FILE_LOGGER_ID) +// Normal logs +#define LOG(LEVEL) CLOG(LEVEL, ELPP_CURR_FILE_LOGGER_ID) +#define VLOG(vlevel) CVLOG(vlevel, ELPP_CURR_FILE_LOGGER_ID) +// Conditional logs +#define LOG_IF(condition, LEVEL) CLOG_IF(condition, LEVEL, ELPP_CURR_FILE_LOGGER_ID) +#define VLOG_IF(condition, vlevel) CVLOG_IF(condition, vlevel, ELPP_CURR_FILE_LOGGER_ID) +// Hit counts based logs +#define LOG_EVERY_N(n, LEVEL) CLOG_EVERY_N(n, LEVEL, ELPP_CURR_FILE_LOGGER_ID) +#define VLOG_EVERY_N(n, vlevel) CVLOG_EVERY_N(n, vlevel, ELPP_CURR_FILE_LOGGER_ID) +#define LOG_AFTER_N(n, LEVEL) CLOG_AFTER_N(n, LEVEL, ELPP_CURR_FILE_LOGGER_ID) +#define VLOG_AFTER_N(n, vlevel) CVLOG_AFTER_N(n, vlevel, ELPP_CURR_FILE_LOGGER_ID) +#define LOG_N_TIMES(n, LEVEL) CLOG_N_TIMES(n, LEVEL, ELPP_CURR_FILE_LOGGER_ID) +#define VLOG_N_TIMES(n, vlevel) CVLOG_N_TIMES(n, vlevel, ELPP_CURR_FILE_LOGGER_ID) +// Generic PLOG() +#undef CPLOG +#undef CPLOG_IF +#undef PLOG +#undef PLOG_IF +#undef DCPLOG +#undef DCPLOG_IF +#undef DPLOG +#undef DPLOG_IF +#define CPLOG(LEVEL, ...)\ +C##LEVEL(el::base::PErrorWriter, el::base::DispatchAction::NormalLog, __VA_ARGS__) +#define CPLOG_IF(condition, LEVEL, ...)\ +C##LEVEL##_IF(el::base::PErrorWriter, condition, el::base::DispatchAction::NormalLog, __VA_ARGS__) +#define DCPLOG(LEVEL, ...)\ +if (ELPP_DEBUG_LOG) C##LEVEL(el::base::PErrorWriter, el::base::DispatchAction::NormalLog, __VA_ARGS__) +#define DCPLOG_IF(condition, LEVEL, ...)\ +C##LEVEL##_IF(el::base::PErrorWriter, (ELPP_DEBUG_LOG) && (condition), el::base::DispatchAction::NormalLog, __VA_ARGS__) +#define PLOG(LEVEL) CPLOG(LEVEL, ELPP_CURR_FILE_LOGGER_ID) +#define PLOG_IF(condition, LEVEL) CPLOG_IF(condition, LEVEL, ELPP_CURR_FILE_LOGGER_ID) +#define DPLOG(LEVEL) DCPLOG(LEVEL, ELPP_CURR_FILE_LOGGER_ID) +#define DPLOG_IF(condition, LEVEL) DCPLOG_IF(condition, LEVEL, ELPP_CURR_FILE_LOGGER_ID) +// Generic SYSLOG() +#undef CSYSLOG +#undef CSYSLOG_IF +#undef CSYSLOG_EVERY_N +#undef CSYSLOG_AFTER_N +#undef CSYSLOG_N_TIMES +#undef SYSLOG +#undef SYSLOG_IF +#undef SYSLOG_EVERY_N +#undef SYSLOG_AFTER_N +#undef SYSLOG_N_TIMES +#undef DCSYSLOG +#undef DCSYSLOG_IF +#undef DCSYSLOG_EVERY_N +#undef DCSYSLOG_AFTER_N +#undef DCSYSLOG_N_TIMES +#undef DSYSLOG +#undef DSYSLOG_IF +#undef DSYSLOG_EVERY_N +#undef DSYSLOG_AFTER_N +#undef DSYSLOG_N_TIMES +#if defined(ELPP_SYSLOG) +# define CSYSLOG(LEVEL, ...)\ +C##LEVEL(el::base::Writer, el::base::DispatchAction::SysLog, __VA_ARGS__) +# define CSYSLOG_IF(condition, LEVEL, ...)\ +C##LEVEL##_IF(el::base::Writer, condition, el::base::DispatchAction::SysLog, __VA_ARGS__) +# define CSYSLOG_EVERY_N(n, LEVEL, ...) C##LEVEL##_EVERY_N(el::base::Writer, n, el::base::DispatchAction::SysLog, __VA_ARGS__) +# define CSYSLOG_AFTER_N(n, LEVEL, ...) C##LEVEL##_AFTER_N(el::base::Writer, n, el::base::DispatchAction::SysLog, __VA_ARGS__) +# define CSYSLOG_N_TIMES(n, LEVEL, ...) C##LEVEL##_N_TIMES(el::base::Writer, n, el::base::DispatchAction::SysLog, __VA_ARGS__) +# define SYSLOG(LEVEL) CSYSLOG(LEVEL, el::base::consts::kSysLogLoggerId) +# define SYSLOG_IF(condition, LEVEL) CSYSLOG_IF(condition, LEVEL, el::base::consts::kSysLogLoggerId) +# define SYSLOG_EVERY_N(n, LEVEL) CSYSLOG_EVERY_N(n, LEVEL, el::base::consts::kSysLogLoggerId) +# define SYSLOG_AFTER_N(n, LEVEL) CSYSLOG_AFTER_N(n, LEVEL, el::base::consts::kSysLogLoggerId) +# define SYSLOG_N_TIMES(n, LEVEL) CSYSLOG_N_TIMES(n, LEVEL, el::base::consts::kSysLogLoggerId) +# define DCSYSLOG(LEVEL, ...) if (ELPP_DEBUG_LOG) C##LEVEL(el::base::Writer, el::base::DispatchAction::SysLog, __VA_ARGS__) +# define DCSYSLOG_IF(condition, LEVEL, ...)\ +C##LEVEL##_IF(el::base::Writer, (ELPP_DEBUG_LOG) && (condition), el::base::DispatchAction::SysLog, __VA_ARGS__) +# define DCSYSLOG_EVERY_N(n, LEVEL, ...)\ +if (ELPP_DEBUG_LOG) C##LEVEL##_EVERY_N(el::base::Writer, n, el::base::DispatchAction::SysLog, __VA_ARGS__) +# define DCSYSLOG_AFTER_N(n, LEVEL, ...)\ +if (ELPP_DEBUG_LOG) C##LEVEL##_AFTER_N(el::base::Writer, n, el::base::DispatchAction::SysLog, __VA_ARGS__) +# define DCSYSLOG_N_TIMES(n, LEVEL, ...)\ +if (ELPP_DEBUG_LOG) C##LEVEL##_EVERY_N(el::base::Writer, n, el::base::DispatchAction::SysLog, __VA_ARGS__) +# define DSYSLOG(LEVEL) DCSYSLOG(LEVEL, el::base::consts::kSysLogLoggerId) +# define DSYSLOG_IF(condition, LEVEL) DCSYSLOG_IF(condition, LEVEL, el::base::consts::kSysLogLoggerId) +# define DSYSLOG_EVERY_N(n, LEVEL) DCSYSLOG_EVERY_N(n, LEVEL, el::base::consts::kSysLogLoggerId) +# define DSYSLOG_AFTER_N(n, LEVEL) DCSYSLOG_AFTER_N(n, LEVEL, el::base::consts::kSysLogLoggerId) +# define DSYSLOG_N_TIMES(n, LEVEL) DCSYSLOG_N_TIMES(n, LEVEL, el::base::consts::kSysLogLoggerId) +#else +# define CSYSLOG(LEVEL, ...) el::base::NullWriter() +# define CSYSLOG_IF(condition, LEVEL, ...) el::base::NullWriter() +# define CSYSLOG_EVERY_N(n, LEVEL, ...) el::base::NullWriter() +# define CSYSLOG_AFTER_N(n, LEVEL, ...) el::base::NullWriter() +# define CSYSLOG_N_TIMES(n, LEVEL, ...) el::base::NullWriter() +# define SYSLOG(LEVEL) el::base::NullWriter() +# define SYSLOG_IF(condition, LEVEL) el::base::NullWriter() +# define SYSLOG_EVERY_N(n, LEVEL) el::base::NullWriter() +# define SYSLOG_AFTER_N(n, LEVEL) el::base::NullWriter() +# define SYSLOG_N_TIMES(n, LEVEL) el::base::NullWriter() +# define DCSYSLOG(LEVEL, ...) el::base::NullWriter() +# define DCSYSLOG_IF(condition, LEVEL, ...) el::base::NullWriter() +# define DCSYSLOG_EVERY_N(n, LEVEL, ...) el::base::NullWriter() +# define DCSYSLOG_AFTER_N(n, LEVEL, ...) el::base::NullWriter() +# define DCSYSLOG_N_TIMES(n, LEVEL, ...) el::base::NullWriter() +# define DSYSLOG(LEVEL) el::base::NullWriter() +# define DSYSLOG_IF(condition, LEVEL) el::base::NullWriter() +# define DSYSLOG_EVERY_N(n, LEVEL) el::base::NullWriter() +# define DSYSLOG_AFTER_N(n, LEVEL) el::base::NullWriter() +# define DSYSLOG_N_TIMES(n, LEVEL) el::base::NullWriter() +#endif // defined(ELPP_SYSLOG) +// +// Custom Debug Only Loggers - Requires (level, loggerId/s) +// +// undef existing +#undef DCLOG +#undef DCVLOG +#undef DCLOG_IF +#undef DCVLOG_IF +#undef DCLOG_EVERY_N +#undef DCVLOG_EVERY_N +#undef DCLOG_AFTER_N +#undef DCVLOG_AFTER_N +#undef DCLOG_N_TIMES +#undef DCVLOG_N_TIMES +// Normal logs +#define DCLOG(LEVEL, ...) if (ELPP_DEBUG_LOG) CLOG(LEVEL, __VA_ARGS__) +#define DCLOG_VERBOSE(vlevel, ...) if (ELPP_DEBUG_LOG) CLOG_VERBOSE(vlevel, __VA_ARGS__) +#define DCVLOG(vlevel, ...) if (ELPP_DEBUG_LOG) CVLOG(vlevel, __VA_ARGS__) +// Conditional logs +#define DCLOG_IF(condition, LEVEL, ...) if (ELPP_DEBUG_LOG) CLOG_IF(condition, LEVEL, __VA_ARGS__) +#define DCVLOG_IF(condition, vlevel, ...) if (ELPP_DEBUG_LOG) CVLOG_IF(condition, vlevel, __VA_ARGS__) +// Hit counts based logs +#define DCLOG_EVERY_N(n, LEVEL, ...) if (ELPP_DEBUG_LOG) CLOG_EVERY_N(n, LEVEL, __VA_ARGS__) +#define DCVLOG_EVERY_N(n, vlevel, ...) if (ELPP_DEBUG_LOG) CVLOG_EVERY_N(n, vlevel, __VA_ARGS__) +#define DCLOG_AFTER_N(n, LEVEL, ...) if (ELPP_DEBUG_LOG) CLOG_AFTER_N(n, LEVEL, __VA_ARGS__) +#define DCVLOG_AFTER_N(n, vlevel, ...) if (ELPP_DEBUG_LOG) CVLOG_AFTER_N(n, vlevel, __VA_ARGS__) +#define DCLOG_N_TIMES(n, LEVEL, ...) if (ELPP_DEBUG_LOG) CLOG_N_TIMES(n, LEVEL, __VA_ARGS__) +#define DCVLOG_N_TIMES(n, vlevel, ...) if (ELPP_DEBUG_LOG) CVLOG_N_TIMES(n, vlevel, __VA_ARGS__) +// +// Default Debug Only Loggers macro using CLOG(), CLOG_VERBOSE() and CVLOG() macros +// +// undef existing +#undef DLOG +#undef DVLOG +#undef DLOG_IF +#undef DVLOG_IF +#undef DLOG_EVERY_N +#undef DVLOG_EVERY_N +#undef DLOG_AFTER_N +#undef DVLOG_AFTER_N +#undef DLOG_N_TIMES +#undef DVLOG_N_TIMES +// Normal logs +#define DLOG(LEVEL) DCLOG(LEVEL, ELPP_CURR_FILE_LOGGER_ID) +#define DVLOG(vlevel) DCVLOG(vlevel, ELPP_CURR_FILE_LOGGER_ID) +// Conditional logs +#define DLOG_IF(condition, LEVEL) DCLOG_IF(condition, LEVEL, ELPP_CURR_FILE_LOGGER_ID) +#define DVLOG_IF(condition, vlevel) DCVLOG_IF(condition, vlevel, ELPP_CURR_FILE_LOGGER_ID) +// Hit counts based logs +#define DLOG_EVERY_N(n, LEVEL) DCLOG_EVERY_N(n, LEVEL, ELPP_CURR_FILE_LOGGER_ID) +#define DVLOG_EVERY_N(n, vlevel) DCVLOG_EVERY_N(n, vlevel, ELPP_CURR_FILE_LOGGER_ID) +#define DLOG_AFTER_N(n, LEVEL) DCLOG_AFTER_N(n, LEVEL, ELPP_CURR_FILE_LOGGER_ID) +#define DVLOG_AFTER_N(n, vlevel) DCVLOG_AFTER_N(n, vlevel, ELPP_CURR_FILE_LOGGER_ID) +#define DLOG_N_TIMES(n, LEVEL) DCLOG_N_TIMES(n, LEVEL, ELPP_CURR_FILE_LOGGER_ID) +#define DVLOG_N_TIMES(n, vlevel) DCVLOG_N_TIMES(n, vlevel, ELPP_CURR_FILE_LOGGER_ID) +// Check macros +#undef CCHECK +#undef CPCHECK +#undef CCHECK_EQ +#undef CCHECK_NE +#undef CCHECK_LT +#undef CCHECK_GT +#undef CCHECK_LE +#undef CCHECK_GE +#undef CCHECK_BOUNDS +#undef CCHECK_NOTNULL +#undef CCHECK_STRCASEEQ +#undef CCHECK_STRCASENE +#undef CHECK +#undef PCHECK +#undef CHECK_EQ +#undef CHECK_NE +#undef CHECK_LT +#undef CHECK_GT +#undef CHECK_LE +#undef CHECK_GE +#undef CHECK_BOUNDS +#undef CHECK_NOTNULL +#undef CHECK_STRCASEEQ +#undef CHECK_STRCASENE +#define CCHECK(condition, ...) CLOG_IF(!(condition), FATAL, __VA_ARGS__) << "Check failed: [" << #condition << "] " +#define CPCHECK(condition, ...) CPLOG_IF(!(condition), FATAL, __VA_ARGS__) << "Check failed: [" << #condition << "] " +#define CHECK(condition) CCHECK(condition, ELPP_CURR_FILE_LOGGER_ID) +#define PCHECK(condition) CPCHECK(condition, ELPP_CURR_FILE_LOGGER_ID) +#define CCHECK_EQ(a, b, ...) CCHECK(a == b, __VA_ARGS__) +#define CCHECK_NE(a, b, ...) CCHECK(a != b, __VA_ARGS__) +#define CCHECK_LT(a, b, ...) CCHECK(a < b, __VA_ARGS__) +#define CCHECK_GT(a, b, ...) CCHECK(a > b, __VA_ARGS__) +#define CCHECK_LE(a, b, ...) CCHECK(a <= b, __VA_ARGS__) +#define CCHECK_GE(a, b, ...) CCHECK(a >= b, __VA_ARGS__) +#define CCHECK_BOUNDS(val, min, max, ...) CCHECK(val >= min && val <= max, __VA_ARGS__) +#define CHECK_EQ(a, b) CCHECK_EQ(a, b, ELPP_CURR_FILE_LOGGER_ID) +#define CHECK_NE(a, b) CCHECK_NE(a, b, ELPP_CURR_FILE_LOGGER_ID) +#define CHECK_LT(a, b) CCHECK_LT(a, b, ELPP_CURR_FILE_LOGGER_ID) +#define CHECK_GT(a, b) CCHECK_GT(a, b, ELPP_CURR_FILE_LOGGER_ID) +#define CHECK_LE(a, b) CCHECK_LE(a, b, ELPP_CURR_FILE_LOGGER_ID) +#define CHECK_GE(a, b) CCHECK_GE(a, b, ELPP_CURR_FILE_LOGGER_ID) +#define CHECK_BOUNDS(val, min, max) CCHECK_BOUNDS(val, min, max, ELPP_CURR_FILE_LOGGER_ID) +#define CCHECK_NOTNULL(ptr, ...) CCHECK((ptr) != nullptr, __VA_ARGS__) +#define CCHECK_STREQ(str1, str2, ...) CLOG_IF(!el::base::utils::Str::cStringEq(str1, str2), FATAL, __VA_ARGS__) \ +<< "Check failed: [" << #str1 << " == " << #str2 << "] " +#define CCHECK_STRNE(str1, str2, ...) CLOG_IF(el::base::utils::Str::cStringEq(str1, str2), FATAL, __VA_ARGS__) \ +<< "Check failed: [" << #str1 << " != " << #str2 << "] " +#define CCHECK_STRCASEEQ(str1, str2, ...) CLOG_IF(!el::base::utils::Str::cStringCaseEq(str1, str2), FATAL, __VA_ARGS__) \ +<< "Check failed: [" << #str1 << " == " << #str2 << "] " +#define CCHECK_STRCASENE(str1, str2, ...) CLOG_IF(el::base::utils::Str::cStringCaseEq(str1, str2), FATAL, __VA_ARGS__) \ +<< "Check failed: [" << #str1 << " != " << #str2 << "] " +#define CHECK_NOTNULL(ptr) CCHECK_NOTNULL((ptr), ELPP_CURR_FILE_LOGGER_ID) +#define CHECK_STREQ(str1, str2) CCHECK_STREQ(str1, str2, ELPP_CURR_FILE_LOGGER_ID) +#define CHECK_STRNE(str1, str2) CCHECK_STRNE(str1, str2, ELPP_CURR_FILE_LOGGER_ID) +#define CHECK_STRCASEEQ(str1, str2) CCHECK_STRCASEEQ(str1, str2, ELPP_CURR_FILE_LOGGER_ID) +#define CHECK_STRCASENE(str1, str2) CCHECK_STRCASENE(str1, str2, ELPP_CURR_FILE_LOGGER_ID) +#undef DCCHECK +#undef DCCHECK_EQ +#undef DCCHECK_NE +#undef DCCHECK_LT +#undef DCCHECK_GT +#undef DCCHECK_LE +#undef DCCHECK_GE +#undef DCCHECK_BOUNDS +#undef DCCHECK_NOTNULL +#undef DCCHECK_STRCASEEQ +#undef DCCHECK_STRCASENE +#undef DCPCHECK +#undef DCHECK +#undef DCHECK_EQ +#undef DCHECK_NE +#undef DCHECK_LT +#undef DCHECK_GT +#undef DCHECK_LE +#undef DCHECK_GE +#undef DCHECK_BOUNDS_ +#undef DCHECK_NOTNULL +#undef DCHECK_STRCASEEQ +#undef DCHECK_STRCASENE +#undef DPCHECK +#define DCCHECK(condition, ...) if (ELPP_DEBUG_LOG) CCHECK(condition, __VA_ARGS__) +#define DCCHECK_EQ(a, b, ...) if (ELPP_DEBUG_LOG) CCHECK_EQ(a, b, __VA_ARGS__) +#define DCCHECK_NE(a, b, ...) if (ELPP_DEBUG_LOG) CCHECK_NE(a, b, __VA_ARGS__) +#define DCCHECK_LT(a, b, ...) if (ELPP_DEBUG_LOG) CCHECK_LT(a, b, __VA_ARGS__) +#define DCCHECK_GT(a, b, ...) if (ELPP_DEBUG_LOG) CCHECK_GT(a, b, __VA_ARGS__) +#define DCCHECK_LE(a, b, ...) if (ELPP_DEBUG_LOG) CCHECK_LE(a, b, __VA_ARGS__) +#define DCCHECK_GE(a, b, ...) if (ELPP_DEBUG_LOG) CCHECK_GE(a, b, __VA_ARGS__) +#define DCCHECK_BOUNDS(val, min, max, ...) if (ELPP_DEBUG_LOG) CCHECK_BOUNDS(val, min, max, __VA_ARGS__) +#define DCCHECK_NOTNULL(ptr, ...) if (ELPP_DEBUG_LOG) CCHECK_NOTNULL((ptr), __VA_ARGS__) +#define DCCHECK_STREQ(str1, str2, ...) if (ELPP_DEBUG_LOG) CCHECK_STREQ(str1, str2, __VA_ARGS__) +#define DCCHECK_STRNE(str1, str2, ...) if (ELPP_DEBUG_LOG) CCHECK_STRNE(str1, str2, __VA_ARGS__) +#define DCCHECK_STRCASEEQ(str1, str2, ...) if (ELPP_DEBUG_LOG) CCHECK_STRCASEEQ(str1, str2, __VA_ARGS__) +#define DCCHECK_STRCASENE(str1, str2, ...) if (ELPP_DEBUG_LOG) CCHECK_STRCASENE(str1, str2, __VA_ARGS__) +#define DCPCHECK(condition, ...) if (ELPP_DEBUG_LOG) CPCHECK(condition, __VA_ARGS__) +#define DCHECK(condition) DCCHECK(condition, ELPP_CURR_FILE_LOGGER_ID) +#define DCHECK_EQ(a, b) DCCHECK_EQ(a, b, ELPP_CURR_FILE_LOGGER_ID) +#define DCHECK_NE(a, b) DCCHECK_NE(a, b, ELPP_CURR_FILE_LOGGER_ID) +#define DCHECK_LT(a, b) DCCHECK_LT(a, b, ELPP_CURR_FILE_LOGGER_ID) +#define DCHECK_GT(a, b) DCCHECK_GT(a, b, ELPP_CURR_FILE_LOGGER_ID) +#define DCHECK_LE(a, b) DCCHECK_LE(a, b, ELPP_CURR_FILE_LOGGER_ID) +#define DCHECK_GE(a, b) DCCHECK_GE(a, b, ELPP_CURR_FILE_LOGGER_ID) +#define DCHECK_BOUNDS(val, min, max) DCCHECK_BOUNDS(val, min, max, ELPP_CURR_FILE_LOGGER_ID) +#define DCHECK_NOTNULL(ptr) DCCHECK_NOTNULL((ptr), ELPP_CURR_FILE_LOGGER_ID) +#define DCHECK_STREQ(str1, str2) DCCHECK_STREQ(str1, str2, ELPP_CURR_FILE_LOGGER_ID) +#define DCHECK_STRNE(str1, str2) DCCHECK_STRNE(str1, str2, ELPP_CURR_FILE_LOGGER_ID) +#define DCHECK_STRCASEEQ(str1, str2) DCCHECK_STRCASEEQ(str1, str2, ELPP_CURR_FILE_LOGGER_ID) +#define DCHECK_STRCASENE(str1, str2) DCCHECK_STRCASENE(str1, str2, ELPP_CURR_FILE_LOGGER_ID) +#define DPCHECK(condition) DCPCHECK(condition, ELPP_CURR_FILE_LOGGER_ID) +#if defined(ELPP_DISABLE_DEFAULT_CRASH_HANDLING) +# define ELPP_USE_DEF_CRASH_HANDLER false +#else +# define ELPP_USE_DEF_CRASH_HANDLER true +#endif // defined(ELPP_DISABLE_DEFAULT_CRASH_HANDLING) +#define ELPP_CRASH_HANDLER_INIT +#define ELPP_INIT_EASYLOGGINGPP(val) \ +ELPP_INITI_BASIC_DECLR \ +namespace el { \ +namespace base { \ +el::base::type::StoragePointer elStorage(val); \ +} \ +el::base::debug::CrashHandler elCrashHandler(ELPP_USE_DEF_CRASH_HANDLER); \ +} + +#if ELPP_ASYNC_LOGGING +# define INITIALIZE_EASYLOGGINGPP\ +ELPP_INIT_EASYLOGGINGPP(new el::base::Storage(el::LogBuilderPtr(new el::base::DefaultLogBuilder()),\ +new el::base::AsyncDispatchWorker()))\ + +#else +# define INITIALIZE_EASYLOGGINGPP ELPP_INIT_EASYLOGGINGPP(new el::base::Storage(el::LogBuilderPtr(new el::base::DefaultLogBuilder()))) +#endif // ELPP_ASYNC_LOGGING +#define INITIALIZE_NULL_EASYLOGGINGPP\ +ELPP_INITI_BASIC_DECLR\ +namespace el {\ +namespace base {\ +el::base::type::StoragePointer elStorage;\ +}\ +el::base::debug::CrashHandler elCrashHandler(ELPP_USE_DEF_CRASH_HANDLER);\ +} +// NOTE: no ELPP_INITI_BASIC_DECLR when sharing - causes double free corruption on external symbols +#define SHARE_EASYLOGGINGPP(initializedStorage)\ +namespace el {\ +namespace base {\ +el::base::type::StoragePointer elStorage(initializedStorage);\ +}\ +el::base::debug::CrashHandler elCrashHandler(ELPP_USE_DEF_CRASH_HANDLER);\ +} + +#if defined(ELPP_UNICODE) +# define START_EASYLOGGINGPP(argc, argv) el::Helpers::setArgs(argc, argv); std::locale::global(std::locale("")) +#else +# define START_EASYLOGGINGPP(argc, argv) el::Helpers::setArgs(argc, argv) +#endif // defined(ELPP_UNICODE) +#endif // EASYLOGGINGPP_H