monero/tests/net_load_tests/net_load_tests.h

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// Copyright (c) 2014-2020, The Monero Project
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//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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#pragma once
#include <atomic>
#include <boost/asio/io_service.hpp>
#include <boost/uuid/uuid_io.hpp>
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#include "include_base_utils.h"
#include "string_tools.h"
#include "net/levin_protocol_handler_async.h"
#include "net/abstract_tcp_server2.h"
#include "serialization/keyvalue_serialization.h"
#include "../unit_tests/unit_tests_utils.h"
namespace net_load_tests
{
struct test_connection_context : epee::net_utils::connection_context_base
{
test_connection_context(): epee::net_utils::connection_context_base(boost::uuids::nil_uuid(), {}, false, false), m_closed(false) {}
static constexpr int handshake_command() noexcept { return 1001; }
static constexpr bool handshake_complete() noexcept { return true; }
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volatile bool m_closed;
};
typedef epee::levin::async_protocol_handler<test_connection_context> test_levin_protocol_handler;
typedef epee::levin::async_protocol_handler_config<test_connection_context> test_levin_protocol_handler_config;
typedef epee::net_utils::connection<test_levin_protocol_handler> test_connection;
typedef epee::net_utils::boosted_tcp_server<test_levin_protocol_handler> test_tcp_server;
struct test_levin_commands_handler : public epee::levin::levin_commands_handler<test_connection_context>
{
test_levin_commands_handler()
//: m_return_code(LEVIN_OK)
//, m_last_command(-1)
{
}
virtual int invoke(int command, const epee::span<const uint8_t> in_buff, epee::byte_slice& buff_out, test_connection_context& context)
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{
//m_invoke_counter.inc();
//std::unique_lock<std::mutex> lock(m_mutex);
//m_last_command = command;
//m_last_in_buf = in_buff;
//buff_out = m_invoke_out_buf;
//return m_return_code;
return LEVIN_OK;
}
virtual int notify(int command, const epee::span<const uint8_t> in_buff, test_connection_context& context)
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{
//m_notify_counter.inc();
//std::unique_lock<std::mutex> lock(m_mutex);
//m_last_command = command;
//m_last_in_buf = in_buff;
//return m_return_code;
return LEVIN_OK;
}
virtual void callback(test_connection_context& context)
{
//m_callback_counter.inc();
//std::cout << "test_levin_commands_handler::callback()" << std::endl;
}
virtual void on_connection_new(test_connection_context& context)
{
m_new_connection_counter.inc();
//std::cout << "test_levin_commands_handler::on_connection_new()" << std::endl;
}
virtual void on_connection_close(test_connection_context& context)
{
m_close_connection_counter.inc();
//std::cout << "test_levin_commands_handler::on_connection_close()" << std::endl;
}
//size_t invoke_counter() const { return m_invoke_counter.get(); }
//size_t notify_counter() const { return m_notify_counter.get(); }
//size_t callback_counter() const { return m_callback_counter.get(); }
size_t new_connection_counter() const { return m_new_connection_counter.get(); }
size_t close_connection_counter() const { return m_close_connection_counter.get(); }
//int return_code() const { return m_return_code; }
//void return_code(int v) { m_return_code = v; }
//const std::string& invoke_out_buf() const { return m_invoke_out_buf; }
//void invoke_out_buf(const std::string& v) { m_invoke_out_buf = v; }
//int last_command() const { return m_last_command; }
//const std::string& last_in_buf() const { return m_last_in_buf; }
protected:
//unit_test::call_counter m_invoke_counter;
//unit_test::call_counter m_notify_counter;
//unit_test::call_counter m_callback_counter;
unit_test::call_counter m_new_connection_counter;
unit_test::call_counter m_close_connection_counter;
//std::mutex m_mutex;
//int m_return_code;
//std::string m_invoke_out_buf;
//int m_last_command;
//std::string m_last_in_buf;
};
class open_close_test_helper
{
public:
open_close_test_helper(test_tcp_server& tcp_server, size_t open_request_target, size_t max_opened_connection_count)
: m_tcp_server(tcp_server)
, m_max_opened_connection_count(max_opened_connection_count)
, m_opened_connection_count(0)
, m_next_opened_conn_idx(0)
, m_next_closed_conn_idx(0)
, m_connections(open_request_target)
{
for (auto& conn_id : m_connections)
conn_id = boost::uuids::nil_uuid();
}
bool handle_new_connection(const boost::uuids::uuid& connection_id, bool ignore_close_fails = false)
{
size_t idx = m_next_opened_conn_idx.fetch_add(1, std::memory_order_relaxed);
if (idx >= m_connections.size())
{
LOG_PRINT_L0("ERROR: connections overflow");
exit(1);
}
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m_connections[idx] = connection_id;
size_t prev_connection_count = m_opened_connection_count.fetch_add(1, std::memory_order_relaxed);
if (m_max_opened_connection_count <= prev_connection_count)
{
return close_next_connection(ignore_close_fails);
}
return true;
}
void close_remaining_connections()
{
while (close_next_connection(false));
}
bool close_next_connection(bool ignore_close_fails)
{
size_t idx = m_next_closed_conn_idx.fetch_add(1, std::memory_order_relaxed);
if (m_next_opened_conn_idx.load(std::memory_order_relaxed) <= idx)
{
LOG_PRINT_L0("Not enough opened connections");
return false;
}
if (m_connections[idx].is_nil())
{
LOG_PRINT_L0("Connection isn't opened");
return false;
}
if (!m_tcp_server.get_config_object().close(m_connections[idx]))
{
LOG_PRINT_L0("Close connection error: " << m_connections[idx]);
if (!ignore_close_fails)
{
return false;
}
}
m_connections[idx] = boost::uuids::nil_uuid();
m_opened_connection_count.fetch_sub(1, std::memory_order_relaxed);
return true;
}
size_t opened_connection_count() const { return m_opened_connection_count.load(std::memory_order_relaxed); }
private:
test_tcp_server& m_tcp_server;
size_t m_max_opened_connection_count;
std::atomic<size_t> m_opened_connection_count;
std::atomic<size_t> m_next_opened_conn_idx;
std::atomic<size_t> m_next_closed_conn_idx;
std::vector<boost::uuids::uuid> m_connections;
};
const unsigned int min_thread_count = 2;
const std::string clt_port("36230");
const std::string srv_port("36231");
enum command_ids
{
cmd_close_all_connections_id = 73564,
cmd_start_open_close_test_id,
cmd_get_statistics_id,
cmd_reset_statistics_id,
cmd_shutdown_id,
cmd_send_data_requests_id,
cmd_data_request_id
};
struct CMD_CLOSE_ALL_CONNECTIONS
{
const static int ID = cmd_close_all_connections_id;
struct request
{
BEGIN_KV_SERIALIZE_MAP()
END_KV_SERIALIZE_MAP()
};
};
struct CMD_START_OPEN_CLOSE_TEST
{
const static int ID = cmd_start_open_close_test_id;
struct request
{
uint64_t open_request_target;
uint64_t max_opened_conn_count;
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BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(open_request_target)
KV_SERIALIZE(max_opened_conn_count)
END_KV_SERIALIZE_MAP()
};
struct response
{
BEGIN_KV_SERIALIZE_MAP()
END_KV_SERIALIZE_MAP()
};
};
struct CMD_GET_STATISTICS
{
const static int ID = cmd_get_statistics_id;
struct request
{
BEGIN_KV_SERIALIZE_MAP()
END_KV_SERIALIZE_MAP()
};
struct response
{
uint64_t opened_connections_count;
uint64_t new_connection_counter;
uint64_t close_connection_counter;
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BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(opened_connections_count)
KV_SERIALIZE(new_connection_counter)
KV_SERIALIZE(close_connection_counter)
END_KV_SERIALIZE_MAP()
std::string to_string() const
{
std::stringstream ss;
ss << "opened_connections_count = " << opened_connections_count <<
", new_connection_counter = " << new_connection_counter <<
", close_connection_counter = " << close_connection_counter;
return ss.str();
}
};
};
struct CMD_RESET_STATISTICS
{
const static int ID = cmd_reset_statistics_id;
struct request
{
BEGIN_KV_SERIALIZE_MAP()
END_KV_SERIALIZE_MAP()
};
struct response
{
BEGIN_KV_SERIALIZE_MAP()
END_KV_SERIALIZE_MAP()
};
};
struct CMD_SHUTDOWN
{
const static int ID = cmd_shutdown_id;
struct request
{
BEGIN_KV_SERIALIZE_MAP()
END_KV_SERIALIZE_MAP()
};
};
struct CMD_SEND_DATA_REQUESTS
{
const static int ID = cmd_send_data_requests_id;
struct request
{
uint64_t request_size;
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BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(request_size)
END_KV_SERIALIZE_MAP()
};
};
struct CMD_DATA_REQUEST
{
const static int ID = cmd_data_request_id;
struct request
{
std::string data;
uint64_t response_size;
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BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(data)
END_KV_SERIALIZE_MAP()
};
struct response
{
std::string data;
BEGIN_KV_SERIALIZE_MAP()
KV_SERIALIZE(data)
END_KV_SERIALIZE_MAP()
};
};
}