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/*
* Copyright (C) 2008-2014 TrinityCore <http://www.trinitycore.org/>
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file main.cpp
* @brief Authentication Server main program
*
* This file contains the main program for the
* authentication server
*/
#include <cstdlib>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <boost/program_options.hpp>
#include <iostream>
#include <openssl/opensslv.h>
#include <openssl/crypto.h>
#include "AsyncAcceptor.h"
#include "AuthSession.h"
#include "BattlenetManager.h"
#include "BattlenetSession.h"
#include "Common.h"
#include "Configuration/Config.h"
#include "Database/DatabaseEnv.h"
#include "Log.h"
#include "ProcessPriority.h"
#include "RealmList.h"
#include "SystemConfig.h"
#include "Util.h"
using boost::asio::ip::tcp;
using namespace boost::program_options;
#ifndef _TRINITY_REALM_CONFIG
# define _TRINITY_REALM_CONFIG "authserver.conf"
#endif
bool StartDB();
void StopDB();
void SignalHandler(const boost::system::error_code& error, int signalNumber);
void KeepDatabaseAliveHandler(const boost::system::error_code& error);
variables_map GetConsoleArguments(int argc, char** argv, std::string& configFile);
boost::asio::io_service _ioService;
boost::asio::deadline_timer _dbPingTimer(_ioService);
uint32 _dbPingInterval;
LoginDatabaseWorkerPool LoginDatabase;
int main(int argc, char** argv)
{
std::string configFile = _TRINITY_REALM_CONFIG;
auto vm = GetConsoleArguments(argc, argv, configFile);
// exit if help is enabled
if (vm.count("help"))
return 0;
std::string configError;
if (!sConfigMgr->LoadInitial(configFile, configError))
{
printf("Error in config file: %s\n", configError.c_str());
return 1;
}
TC_LOG_INFO("server.authserver", "%s (authserver)", _FULLVERSION);
TC_LOG_INFO("server.authserver", "<Ctrl-C> to stop.\n");
TC_LOG_INFO("server.authserver", "Using configuration file %s.", configFile.c_str());
TC_LOG_INFO("server.authserver", "Using SSL version: %s (library: %s)", OPENSSL_VERSION_TEXT, SSLeay_version(SSLEAY_VERSION));
TC_LOG_INFO("server.authserver", "Using Boost version: %i.%i.%i", BOOST_VERSION / 100000, BOOST_VERSION / 100 % 1000, BOOST_VERSION % 100);
// authserver PID file creation
std::string pidFile = sConfigMgr->GetStringDefault("PidFile", "");
if (!pidFile.empty())
{
if (uint32 pid = CreatePIDFile(pidFile))
TC_LOG_INFO("server.authserver", "Daemon PID: %u\n", pid);
else
{
TC_LOG_ERROR("server.authserver", "Cannot create PID file %s.\n", pidFile.c_str());
return 1;
}
}
// Initialize the database connection
if (!StartDB())
return 1;
// Get the list of realms for the server
sRealmList->Initialize(_ioService, sConfigMgr->GetIntDefault("RealmsStateUpdateDelay", 20));
if (sRealmList->size() == 0)
{
TC_LOG_ERROR("server.authserver", "No valid realms specified.");
return 1;
}
// Start the listening port (acceptor) for auth connections
int32 port = sConfigMgr->GetIntDefault("RealmServerPort", 3724);
if (port < 0 || port > 0xFFFF)
{
TC_LOG_ERROR("server.authserver", "Specified port out of allowed range (1-65535)");
return 1;
}
std::string bindIp = sConfigMgr->GetStringDefault("BindIP", "0.0.0.0");
AsyncAcceptor<AuthSession> authServer(_ioService, bindIp, port);
AsyncAcceptor<Battlenet::Session> bnetServer(_ioService, bindIp, 1119);
// Set signal handlers
boost::asio::signal_set signals(_ioService, SIGINT, SIGTERM);
#if PLATFORM == PLATFORM_WINDOWS
signals.add(SIGBREAK);
#endif
signals.async_wait(SignalHandler);
// Set process priority according to configuration settings
SetProcessPriority("server.authserver");
// Enabled a timed callback for handling the database keep alive ping
_dbPingInterval = sConfigMgr->GetIntDefault("MaxPingTime", 30);
_dbPingTimer.expires_from_now(boost::posix_time::minutes(_dbPingInterval));
_dbPingTimer.async_wait(KeepDatabaseAliveHandler);
sBattlenetMgr->Load();
// Start the io service worker loop
_ioService.run();
// Close the Database Pool and library
StopDB();
TC_LOG_INFO("server.authserver", "Halting process...");
return 0;
}
/// Initialize connection to the database
bool StartDB()
{
MySQL::Library_Init();
std::string dbstring = sConfigMgr->GetStringDefault("LoginDatabaseInfo", "");
if (dbstring.empty())
{
TC_LOG_ERROR("server.authserver", "Database not specified");
return false;
}
int32 worker_threads = sConfigMgr->GetIntDefault("LoginDatabase.WorkerThreads", 1);
if (worker_threads < 1 || worker_threads > 32)
{
TC_LOG_ERROR("server.authserver", "Improper value specified for LoginDatabase.WorkerThreads, defaulting to 1.");
worker_threads = 1;
}
int32 synch_threads = sConfigMgr->GetIntDefault("LoginDatabase.SynchThreads", 1);
if (synch_threads < 1 || synch_threads > 32)
{
TC_LOG_ERROR("server.authserver", "Improper value specified for LoginDatabase.SynchThreads, defaulting to 1.");
synch_threads = 1;
}
// NOTE: While authserver is singlethreaded you should keep synch_threads == 1. Increasing it is just silly since only 1 will be used ever.
if (!LoginDatabase.Open(dbstring, uint8(worker_threads), uint8(synch_threads)))
{
TC_LOG_ERROR("server.authserver", "Cannot connect to database");
return false;
}
TC_LOG_INFO("server.authserver", "Started auth database connection pool.");
sLog->SetRealmId(0); // Enables DB appenders when realm is set.
return true;
}
/// Close the connection to the database
void StopDB()
{
LoginDatabase.Close();
MySQL::Library_End();
}
void SignalHandler(const boost::system::error_code& error, int /*signalNumber*/)
{
if (!error)
_ioService.stop();
}
void KeepDatabaseAliveHandler(const boost::system::error_code& error)
{
if (!error)
{
TC_LOG_INFO("server.authserver", "Ping MySQL to keep connection alive");
LoginDatabase.KeepAlive();
_dbPingTimer.expires_from_now(boost::posix_time::minutes(_dbPingInterval));
_dbPingTimer.async_wait(KeepDatabaseAliveHandler);
}
}
variables_map GetConsoleArguments(int argc, char** argv, std::string& configFile)
{
options_description all("Allowed options");
all.add_options()
("help,h", "print usage message")
("config,c", value<std::string>(&configFile)->default_value(_TRINITY_REALM_CONFIG), "use <arg> as configuration file")
;
variables_map variablesMap;
try
{
store(command_line_parser(argc, argv).options(all).allow_unregistered().run(), variablesMap);
notify(variablesMap);
}
catch (std::exception& e) {
std::cerr << e.what() << "\n";
}
if (variablesMap.count("help")) {
std::cout << all << "\n";
}
return variablesMap;
}
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