182 lines
7.2 KiB
C++
182 lines
7.2 KiB
C++
/* Copyright (C) 2004 Bart
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* Copyright (C) 2008, 2009, 2010 Curtis Gedak
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GPARTED_FILESYSTEM_H
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#define GPARTED_FILESYSTEM_H
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#include "Operation.h"
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#include "Partition.h"
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#include "PipeCapture.h"
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#include "Utils.h"
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#include <fstream>
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#include <sys/stat.h>
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#include <sigc++/slot.h>
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namespace GParted
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{
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enum CUSTOM_TEXT
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{
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CTEXT_NONE,
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CTEXT_ACTIVATE_FILESYSTEM, // Activate text ('Mount', 'Swapon', VG 'Activate', ...)
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CTEXT_DEACTIVATE_FILESYSTEM, // Deactivate text ('Unmount', 'Swapoff', VG 'Deactivate', ...)
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CTEXT_CHANGE_UUID_WARNING, // Warning to print when changing UUIDs
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CTEXT_RESIZE_DISALLOWED_WARNING // File system resizing currently disallowed reason
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};
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// Minimum and maximum file system size limits
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struct FS_Limits
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{
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Byte_Value min_size; // 0 => no limit, +ve => limit defined. (As implemented by)
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Byte_Value max_size; // -----------------"----------------- (code using these.)
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FS_Limits() : min_size( 0 ) , max_size( 0 ) {};
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FS_Limits( Byte_Value min, Byte_Value max ) : min_size( min ), max_size( max ) {};
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};
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// Struct to store file system support information
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struct FS
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{
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enum Support
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{
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NONE = 0,
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GPARTED = 1,
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LIBPARTED = 2,
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EXTERNAL = 3
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};
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FSType filesystem;
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Support busy; // How to determine if partition/file system is busy
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Support read; // Can and how to read sector usage while inactive
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Support read_label;
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Support write_label;
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Support read_uuid;
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Support write_uuid;
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Support create;
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Support create_with_label; // Can and how to format file system with label
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Support grow;
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Support shrink;
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Support move; // start point and endpoint
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Support check; // Some check tool available?
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Support copy;
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Support remove;
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Support online_read; // Can and how to read sector usage while active
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Support online_grow;
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Support online_shrink;
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FS( FSType fstype = FS_UNSUPPORTED ) : filesystem( fstype )
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{
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busy = read = read_label = write_label = read_uuid = write_uuid = create =
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create_with_label = grow = shrink = move = check = copy = remove = online_read =
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online_grow = online_shrink = NONE;
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}
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};
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enum ExecFlags
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{
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EXEC_NONE = 1 << 0,
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EXEC_CHECK_STATUS = 1 << 1, // Set the status of the command in the operation
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// details based on the exit status being zero or
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// non-zero. Must either use this flag when calling
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// ::execute_command() or call ::set_status()
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// afterwards.
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EXEC_CANCEL_SAFE = 1 << 2,
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EXEC_PROGRESS_STDOUT = 1 << 3, // Run progress tracking callback after reading new
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// data on stdout from command.
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EXEC_PROGRESS_STDERR = 1 << 4, // Same but for stderr.
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EXEC_PROGRESS_TIMED = 1 << 5 // Run progress tracking callback periodically.
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};
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inline ExecFlags operator|( ExecFlags lhs, ExecFlags rhs )
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{ return static_cast<ExecFlags>( static_cast<unsigned>(lhs) | static_cast<unsigned>(rhs) ); }
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inline ExecFlags operator&( ExecFlags lhs, ExecFlags rhs )
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{ return static_cast<ExecFlags>( static_cast<unsigned>(lhs) & static_cast<unsigned>(rhs) ); }
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class FileSystem
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{
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public:
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FileSystem() ;
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virtual ~FileSystem() {}
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virtual const Glib::ustring & get_custom_text( CUSTOM_TEXT ttype, int index = 0 ) const;
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static const Glib::ustring & get_generic_text( CUSTOM_TEXT ttype, int index = 0 );
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virtual FS get_filesystem_support() = 0 ;
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virtual FS_Limits get_filesystem_limits( const Partition & partition ) const { return fs_limits; };
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virtual bool is_busy( const Glib::ustring & path ) { return false ; } ;
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virtual void set_used_sectors( Partition & partition ) {};
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virtual void read_label( Partition & partition ) {};
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virtual bool write_label( const Partition & partition, OperationDetail & operationdetail ) { return false; };
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virtual void read_uuid( Partition & partition ) {};
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virtual bool write_uuid( const Partition & partition, OperationDetail & operationdetail ) { return false; };
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virtual bool create( const Partition & new_partition, OperationDetail & operationdetail ) { return false; };
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virtual bool resize( const Partition & partition_new,
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OperationDetail & operationdetail,
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bool fill_partition ) { return false; };
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virtual bool move( const Partition & partition_new
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, const Partition & partition_old
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, OperationDetail & operationdetail
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) { return false; };
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virtual bool copy( const Partition & src_part,
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Partition & dest_part,
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OperationDetail & operationdetail ) { return false; };
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virtual bool check_repair( const Partition & partition, OperationDetail & operationdetail ) { return false; };
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virtual bool remove( const Partition & partition, OperationDetail & operationdetail ) { return true; };
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protected:
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typedef sigc::slot<void, OperationDetail *> StreamSlot;
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typedef sigc::slot<bool, OperationDetail *> TimedSlot;
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int execute_command( const Glib::ustring & command, OperationDetail & operationdetail,
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ExecFlags flags = EXEC_NONE );
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int execute_command( const Glib::ustring & command, OperationDetail & operationdetail,
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ExecFlags flags,
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StreamSlot stream_progress_slot );
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int execute_command( const Glib::ustring & command, OperationDetail & operationdetail,
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ExecFlags flags,
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TimedSlot timed_progress_slot );
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void set_status( OperationDetail & operationdetail, bool success );
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void execute_command_eof();
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Glib::ustring mk_temp_dir( const Glib::ustring & infix, OperationDetail & operationdetail ) ;
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void rm_temp_dir( const Glib::ustring dir_name, OperationDetail & operationdetail ) ;
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FS_Limits fs_limits; // File system minimum and maximum size limits. In derived
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// classes either assign fixed values in get_filesystem_support()
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// or implement get_filesystem_limits() for dynamic values.
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//those are used in several places..
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Glib::ustring output, error ;
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Sector T, N, S ; //File system [T]otal num of blocks, [N]um of free (or used) blocks, block [S]ize
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int exit_status ;
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private:
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int execute_command_internal( const Glib::ustring & command, OperationDetail & operationdetail,
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ExecFlags flags,
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StreamSlot stream_progress_slot,
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TimedSlot timed_progress_slot );
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void store_exit_status( GPid pid, int status );
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bool running;
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int pipecount;
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};
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} //GParted
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#endif /* GPARTED_FILESYSTEM_H */
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