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Diffstat (limited to 'src/server/authserver/Main.cpp')
-rw-r--r-- | src/server/authserver/Main.cpp | 330 |
1 files changed, 330 insertions, 0 deletions
diff --git a/src/server/authserver/Main.cpp b/src/server/authserver/Main.cpp new file mode 100644 index 0000000000..ae0fcc9f95 --- /dev/null +++ b/src/server/authserver/Main.cpp @@ -0,0 +1,330 @@ +/* + * Copyright (C) + * Copyright (C) + * + * 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 <ace/Dev_Poll_Reactor.h> +#include <ace/TP_Reactor.h> +#include <ace/ACE.h> +#include <ace/Sig_Handler.h> +#include <openssl/opensslv.h> +#include <openssl/crypto.h> + +#include "Common.h" +#include "Database/DatabaseEnv.h" +#include "Configuration/Config.h" +#include "Log.h" +#include "SystemConfig.h" +#include "Util.h" +#include "SignalHandler.h" +#include "RealmList.h" +#include "RealmAcceptor.h" + +#ifdef __linux__ +#include <sched.h> +#include <sys/resource.h> +#define PROCESS_HIGH_PRIORITY -15 // [-20, 19], default is 0 +#endif + +#ifndef _TRINITY_REALM_CONFIG +# define _TRINITY_REALM_CONFIG "authserver.conf" +#endif + +bool StartDB(); +void StopDB(); + +bool stopEvent = false; // Setting it to true stops the server + +LoginDatabaseWorkerPool LoginDatabase; // Accessor to the authserver database + +/// Handle authserver's termination signals +class AuthServerSignalHandler : public Trinity::SignalHandler +{ +public: + virtual void HandleSignal(int sigNum) + { + switch (sigNum) + { + case SIGINT: + case SIGTERM: + stopEvent = true; + break; + } + } +}; + +/// Print out the usage string for this program on the console. +void usage(const char* prog) +{ + sLog->outString("Usage: \n %s [<options>]\n" + " -c config_file use config_file as configuration file\n\r", + prog); +} + +/// Launch the auth server +extern int main(int argc, char** argv) +{ + // Command line parsing to get the configuration file name + char const* configFile = _TRINITY_REALM_CONFIG; + int count = 1; + while (count < argc) + { + if (strcmp(argv[count], "-c") == 0) + { + if (++count >= argc) + { + printf("Runtime-Error: -c option requires an input argument\n"); + usage(argv[0]); + return 1; + } + else + configFile = argv[count]; + } + ++count; + } + + if (!sConfigMgr->LoadInitial(configFile)) + { + printf("Invalid or missing configuration file : %s\n", configFile); + printf("Verify that the file exists and has \'[authserver]\' written in the top of the file!\n"); + return 1; + } + + sLog->outString("%s (authserver)", _FULLVERSION); + sLog->outString("<Ctrl-C> to stop.\n"); + sLog->outString("Using configuration file %s.", configFile); + + sLog->outDetail("%s (Library: %s)", OPENSSL_VERSION_TEXT, SSLeay_version(SSLEAY_VERSION)); + +#if defined (ACE_HAS_EVENT_POLL) || defined (ACE_HAS_DEV_POLL) + ACE_Reactor::instance(new ACE_Reactor(new ACE_Dev_Poll_Reactor(ACE::max_handles(), 1), 1), true); +#else + ACE_Reactor::instance(new ACE_Reactor(new ACE_TP_Reactor(), true), true); +#endif + + sLog->outBasic("Max allowed open files is %d", ACE::max_handles()); + + // authserver PID file creation + std::string pidFile = sConfigMgr->GetStringDefault("PidFile", ""); + if (!pidFile.empty()) + { + if (uint32 pid = CreatePIDFile(pidFile)) + sLog->outError("Daemon PID: %u\n", pid); + else + { + sLog->outError("Cannot create PID file %s.\n", pidFile.c_str()); + return 1; + } + } + + // Initialize the database connection + if (!StartDB()) + return 1; + + // Initialize the log database + sLog->SetLogDB(false); + sLog->SetRealmID(0); // ensure we've set realm to 0 (authserver realmid) + + // Get the list of realms for the server + sRealmList->Initialize(sConfigMgr->GetIntDefault("RealmsStateUpdateDelay", 20)); + if (sRealmList->size() == 0) + { + sLog->outError("No valid realms specified."); + return 1; + } + + // Launch the listening network socket + RealmAcceptor acceptor; + + int32 rmport = sConfigMgr->GetIntDefault("RealmServerPort", 3724); + if (rmport < 0 || rmport > 0xFFFF) + { + sLog->outError("Specified port out of allowed range (1-65535)"); + return 1; + } + + std::string bind_ip = sConfigMgr->GetStringDefault("BindIP", "0.0.0.0"); + + ACE_INET_Addr bind_addr(uint16(rmport), bind_ip.c_str()); + + if (acceptor.open(bind_addr, ACE_Reactor::instance(), ACE_NONBLOCK) == -1) + { + sLog->outError("Auth server can not bind to %s:%d", bind_ip.c_str(), rmport); + return 1; + } + + // Initialize the signal handlers + AuthServerSignalHandler SignalINT, SignalTERM; + + // Register authservers's signal handlers + ACE_Sig_Handler Handler; + Handler.register_handler(SIGINT, &SignalINT); + Handler.register_handler(SIGTERM, &SignalTERM); + +#if defined(_WIN32) || defined(__linux__) + + ///- Handle affinity for multiple processors and process priority + uint32 affinity = sConfigMgr->GetIntDefault("UseProcessors", 0); + bool highPriority = sConfigMgr->GetBoolDefault("ProcessPriority", false); + +#ifdef _WIN32 // Windows + + HANDLE hProcess = GetCurrentProcess(); + if (affinity > 0) + { + ULONG_PTR appAff; + ULONG_PTR sysAff; + + if (GetProcessAffinityMask(hProcess, &appAff, &sysAff)) + { + // remove non accessible processors + ULONG_PTR currentAffinity = affinity & appAff; + + if (!currentAffinity) + sLog->outError("server.authserver", "Processors marked in UseProcessors bitmask (hex) %x are not accessible for the authserver. Accessible processors bitmask (hex): %x", affinity, appAff); + else if (SetProcessAffinityMask(hProcess, currentAffinity)) + sLog->outString("server.authserver", "Using processors (bitmask, hex): %x", currentAffinity); + else + sLog->outError("server.authserver", "Can't set used processors (hex): %x", currentAffinity); + } + } + + if (highPriority) + { + if (SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS)) + sLog->outString("server.authserver", "authserver process priority class set to HIGH"); + else + sLog->outError("server.authserver", "Can't set authserver process priority class."); + } + +#else // Linux + + if (affinity > 0) + { + cpu_set_t mask; + CPU_ZERO(&mask); + + for (unsigned int i = 0; i < sizeof(affinity) * 8; ++i) + if (affinity & (1 << i)) + CPU_SET(i, &mask); + + if (sched_setaffinity(0, sizeof(mask), &mask)) + sLog->outError("server.authserver", "Can't set used processors (hex): %x, error: %s", affinity, strerror(errno)); + else + { + CPU_ZERO(&mask); + sched_getaffinity(0, sizeof(mask), &mask); + sLog->outString("server.authserver", "Using processors (bitmask, hex): %lx", *(__cpu_mask*)(&mask)); + } + } + + if (highPriority) + { + if (setpriority(PRIO_PROCESS, 0, PROCESS_HIGH_PRIORITY)) + sLog->outError("server.authserver", "Can't set authserver process priority class, error: %s", strerror(errno)); + else + sLog->outString("server.authserver", "authserver process priority class set to %i", getpriority(PRIO_PROCESS, 0)); + } + +#endif +#endif + + // maximum counter for next ping + uint32 numLoops = (sConfigMgr->GetIntDefault("MaxPingTime", 30) * (MINUTE * 1000000 / 100000)); + uint32 loopCounter = 0; + + // possibly enable db logging; avoid massive startup spam by doing it here. + if (sConfigMgr->GetBoolDefault("EnableLogDB", false)) + { + sLog->outString("Enabling database logging..."); + sLog->SetLogDB(true); + } + + // Wait for termination signal + while (!stopEvent) + { + // dont move this outside the loop, the reactor will modify it + ACE_Time_Value interval(0, 100000); + + if (ACE_Reactor::instance()->run_reactor_event_loop(interval) == -1) + break; + + if ((++loopCounter) == numLoops) + { + loopCounter = 0; + sLog->outDetail("Ping MySQL to keep connection alive"); + LoginDatabase.KeepAlive(); + } + } + + // Close the Database Pool and library + StopDB(); + + sLog->outString("Halting process..."); + return 0; +} + +/// Initialize connection to the database +bool StartDB() +{ + MySQL::Library_Init(); + + std::string dbstring = sConfigMgr->GetStringDefault("LoginDatabaseInfo", ""); + if (dbstring.empty()) + { + sLog->outError("Database not specified"); + return false; + } + + int32 worker_threads = sConfigMgr->GetIntDefault("LoginDatabase.WorkerThreads", 1); + if (worker_threads < 1 || worker_threads > 32) + { + sLog->outError("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) + { + sLog->outError("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.c_str(), uint8(worker_threads), uint8(synch_threads))) + { + sLog->outError("Cannot connect to database"); + return false; + } + + sLog->outString("Started auth database connection pool."); + return true; +} + +/// Close the connection to the database +void StopDB() +{ + LoginDatabase.Close(); + MySQL::Library_End(); +} |