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Master.cpp
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Master.cpp
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/**
* MaNGOS is a full featured server for World of Warcraft, supporting
* the following clients: 1.12.x, 2.4.3, 3.3.5a, 4.3.4a and 5.4.8
*
* Copyright (C) 2005-2017 MaNGOS project <https://getmangos.eu>
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* World of Warcraft, and all World of Warcraft or Warcraft art, images,
* and lore are copyrighted by Blizzard Entertainment, Inc.
*/
/** \file
\ingroup mangosd
*/
#ifndef WIN32
#include "PosixDaemon.h"
#endif
#include "WorldSocketMgr.h"
#include "Common.h"
#include "Master.h"
#include "WorldSocket.h"
#include "WorldRunnable.h"
#include "World.h"
#include "Log.h"
#include "Timer.h"
#include "Policies/Singleton.h"
#include "SystemConfig.h"
#include "Config/Config.h"
#include "Database/DatabaseEnv.h"
#include "Comm/CliRunnable.h"
#include "RA/RASocket.h"
#include "Util.h"
#include "revision.h"
#include "MassMailMgr.h"
#include "DBCStores.h"
#include "ScriptMgr.h"
#ifdef ENABLE_SOAP
#include "SOAP/MaNGOSsoap.h"
#endif
#include <ace/OS_NS_signal.h>
#include <ace/TP_Reactor.h>
#include <ace/Dev_Poll_Reactor.h>
#ifdef WIN32
#include "ServiceWin32.h"
extern int m_ServiceStatus;
#endif
INSTANTIATE_SINGLETON_1(Master);
volatile uint32 Master::m_masterLoopCounter = 0;
class FreezeDetectorRunnable : public ACE_Based::Runnable
{
public:
FreezeDetectorRunnable() { _delaytime = 0; }
uint32 m_loops, m_lastchange;
uint32 w_loops, w_lastchange;
uint32 _delaytime;
void SetDelayTime(uint32 t) { _delaytime = t; }
void run(void)
{
if (!_delaytime)
{ return; }
sLog.outString("Starting up anti-freeze thread (%u seconds max stuck time)...", _delaytime / 1000);
m_loops = 0;
w_loops = 0;
m_lastchange = 0;
w_lastchange = 0;
while (!World::IsStopped())
{
ACE_Based::Thread::Sleep(1000);
uint32 curtime = WorldTimer::getMSTime();
// DEBUG_LOG("anti-freeze: time=%u, counters=[%u; %u]",curtime,Master::m_masterLoopCounter,World::m_worldLoopCounter);
// normal work
if (w_loops != World::m_worldLoopCounter)
{
w_lastchange = curtime;
w_loops = World::m_worldLoopCounter;
}
// possible freeze
else if (WorldTimer::getMSTimeDiff(w_lastchange, curtime) > _delaytime)
{
sLog.outError("World Thread hangs, kicking out server!");
*((uint32 volatile*)NULL) = 0; // bang crash
}
}
sLog.outString("Anti-freeze thread exiting without problems.");
}
};
class RARunnable : public ACE_Based::Runnable
{
private:
ACE_Reactor* m_Reactor;
RASocket::Acceptor* m_Acceptor;
public:
RARunnable()
{
ACE_Reactor_Impl* imp = 0;
#if defined (ACE_HAS_EVENT_POLL) || defined (ACE_HAS_DEV_POLL)
imp = new ACE_Dev_Poll_Reactor();
imp->max_notify_iterations(128);
imp->restart(1);
#else
imp = new ACE_TP_Reactor();
imp->max_notify_iterations(128);
#endif
m_Reactor = new ACE_Reactor(imp, 1 /* 1= delete implementation so we don't have to care */);
m_Acceptor = new RASocket::Acceptor;
}
~RARunnable()
{
delete m_Reactor;
delete m_Acceptor;
}
void run()
{
uint16 raport = sConfig.GetIntDefault("Ra.Port", 3443);
std::string stringip = sConfig.GetStringDefault("Ra.IP", "0.0.0.0");
ACE_INET_Addr listen_addr(raport, stringip.c_str());
if (m_Acceptor->open(listen_addr, m_Reactor, ACE_NONBLOCK) == -1)
{
sLog.outError("MaNGOS RA can not bind to port %d on %s", raport, stringip.c_str());
}
sLog.outString("Starting Remote access listener on port %d on %s", raport, stringip.c_str());
while (!m_Reactor->reactor_event_loop_done())
{
ACE_Time_Value interval(0, 10000);
if (m_Reactor->run_reactor_event_loop(interval) == -1)
{ break; }
if (World::IsStopped())
{
m_Acceptor->close();
break;
}
}
sLog.outString("RARunnable thread ended");
}
};
Master::Master()
{
}
Master::~Master()
{
}
/// Main function
int Master::Run()
{
/// worldd PID file creation
std::string pidfile = sConfig.GetStringDefault("PidFile", "");
if (!pidfile.empty())
{
uint32 pid = CreatePIDFile(pidfile);
if (!pid)
{
sLog.outError("Can not create PID file %s.\n", pidfile.c_str());
Log::WaitBeforeContinueIfNeed();
return 1;
}
sLog.outString("Daemon PID: %u\n", pid);
}
///- Start the databases
if (!_StartDB())
{
Log::WaitBeforeContinueIfNeed();
return 1;
}
///- Set Realm to Offline, if crash happens. Only used once.
LoginDatabase.DirectPExecute("UPDATE realmlist SET realmflags = realmflags | %u WHERE id = '%u'", REALM_FLAG_OFFLINE, realmID);
#if defined(CLASSIC) || defined(TBC)
initMTRandTSS();
#endif
///- Initialize the World
sWorld.SetInitialWorldSettings();
#ifndef WIN32
detachDaemon();
#endif
// server loaded successfully => enable async DB requests
// this is done to forbid any async transactions during server startup!
CharacterDatabase.AllowAsyncTransactions();
WorldDatabase.AllowAsyncTransactions();
LoginDatabase.AllowAsyncTransactions();
///- Catch termination signals
_HookSignals();
///- Launch WorldRunnable thread
ACE_Based::Thread world_thread(new WorldRunnable);
world_thread.setPriority(ACE_Based::Highest);
// set realmbuilds depend on mangosd expected builds, and set server online
{
std::string builds = AcceptableClientBuildsListStr();
LoginDatabase.escape_string(builds);
LoginDatabase.DirectPExecute("UPDATE realmlist SET realmflags = realmflags & ~(%u), population = 0, realmbuilds = '%s' WHERE id = '%u'", REALM_FLAG_OFFLINE, builds.c_str(), realmID);
}
ACE_Based::Thread* cliThread = NULL;
#ifdef WIN32
if (sConfig.GetBoolDefault("Console.Enable", true) && (m_ServiceStatus == -1)/* need disable console in service mode*/)
#else
if (sConfig.GetBoolDefault("Console.Enable", true))
#endif
{
///- Launch CliRunnable thread
cliThread = new ACE_Based::Thread(new CliRunnable);
}
ACE_Based::Thread* rar_thread = NULL;
if (sConfig.GetBoolDefault("Ra.Enable", false))
{
rar_thread = new ACE_Based::Thread(new RARunnable);
}
///- Handle affinity for multiple processors and process priority on Windows
#ifdef WIN32
{
HANDLE hProcess = GetCurrentProcess();
uint32 Aff = sConfig.GetIntDefault("UseProcessors", 0);
if (Aff > 0)
{
ULONG_PTR appAff;
ULONG_PTR sysAff;
if (GetProcessAffinityMask(hProcess, &appAff, &sysAff))
{
ULONG_PTR curAff = Aff & appAff; // remove non accessible processors
if (!curAff)
{
sLog.outError("Processors marked in UseProcessors bitmask (hex) %x not accessible for mangosd. Accessible processors bitmask (hex): %x", Aff, appAff);
}
else
{
if (SetProcessAffinityMask(hProcess, curAff))
{ sLog.outString("Using processors (bitmask, hex): %x", curAff); }
else
{ sLog.outError("Can't set used processors (hex): %x", curAff); }
}
}
sLog.outString();
}
bool Prio = sConfig.GetBoolDefault("ProcessPriority", false);
// if(Prio && (m_ServiceStatus == -1)/* need set to default process priority class in service mode*/)
if (Prio)
{
if (SetPriorityClass(hProcess, HIGH_PRIORITY_CLASS))
{ sLog.outString("mangosd process priority class set to HIGH"); }
else
{ sLog.outError("Can't set mangosd process priority class."); }
sLog.outString();
}
}
#endif
#ifdef ENABLE_SOAP
///- Start soap serving thread
ACE_Based::Thread* soap_thread = NULL;
if (sConfig.GetBoolDefault("SOAP.Enabled", false))
{
MaNGOSsoapRunnable* runnable = new MaNGOSsoapRunnable();
runnable->setListenArguments(sConfig.GetStringDefault("SOAP.IP", "127.0.0.1"), sConfig.GetIntDefault("SOAP.Port", 7878));
soap_thread = new ACE_Based::Thread(runnable);
}
#else /* ENABLE_SOAP */
if (sConfig.GetBoolDefault("SOAP.Enabled", false))
{
sLog.outError("SOAP is enabled but wasn't included during compilation, not activating it.");
}
#endif /* ENABLE_SOAP */
///- Start up freeze catcher thread
ACE_Based::Thread* freeze_thread = NULL;
if (uint32 freeze_delay = sConfig.GetIntDefault("MaxCoreStuckTime", 0))
{
FreezeDetectorRunnable* fdr = new FreezeDetectorRunnable();
fdr->SetDelayTime(freeze_delay * 1000);
freeze_thread = new ACE_Based::Thread(fdr);
freeze_thread->setPriority(ACE_Based::Highest);
}
///- Launch the world listener socket
uint16 wsport = sWorld.getConfig(CONFIG_UINT32_PORT_WORLD);
std::string bind_ip = sConfig.GetStringDefault("BindIP", "0.0.0.0");
if (sWorldSocketMgr->StartNetwork(wsport, bind_ip) == -1)
{
sLog.outError("Failed to start network");
Log::WaitBeforeContinueIfNeed();
World::StopNow(ERROR_EXIT_CODE);
// go down and shutdown the server
}
sWorldSocketMgr->Wait();
///- Stop freeze protection before shutdown tasks
if (freeze_thread)
{
freeze_thread->destroy();
delete freeze_thread;
}
#ifdef ENABLE_SOAP
///- Stop soap thread
if (soap_thread)
{
soap_thread->wait();
soap_thread->destroy();
delete soap_thread;
}
#endif
///- Set server offline in realmlist
LoginDatabase.DirectPExecute("UPDATE realmlist SET realmflags = realmflags | %u WHERE id = '%u'", REALM_FLAG_OFFLINE, realmID);
///- Remove signal handling before leaving
_UnhookSignals();
// when the main thread closes the singletons get unloaded
// since worldrunnable uses them, it will crash if unloaded after master
world_thread.wait();
if (rar_thread)
{
rar_thread->wait();
rar_thread->destroy();
delete rar_thread;
}
///- Clean account database before leaving
clearOnlineAccounts();
// send all still queued mass mails (before DB connections shutdown)
sMassMailMgr.Update(true);
///- Wait for DB delay threads to end
CharacterDatabase.HaltDelayThread();
WorldDatabase.HaltDelayThread();
LoginDatabase.HaltDelayThread();
#if defined(CLASSIC) || defined(TBC)
deleteMTRandTSS();
#endif
sLog.outString("Halting process...");
if (cliThread)
{
#ifdef WIN32
// this only way to terminate CLI thread exist at Win32 (alt. way exist only in Windows Vista API)
//_exit(1);
// send keyboard input to safely unblock the CLI thread
INPUT_RECORD b[5];
HANDLE hStdIn = GetStdHandle(STD_INPUT_HANDLE);
b[0].EventType = KEY_EVENT;
b[0].Event.KeyEvent.bKeyDown = TRUE;
b[0].Event.KeyEvent.uChar.AsciiChar = 'X';
b[0].Event.KeyEvent.wVirtualKeyCode = 'X';
b[0].Event.KeyEvent.wRepeatCount = 1;
b[1].EventType = KEY_EVENT;
b[1].Event.KeyEvent.bKeyDown = FALSE;
b[1].Event.KeyEvent.uChar.AsciiChar = 'X';
b[1].Event.KeyEvent.wVirtualKeyCode = 'X';
b[1].Event.KeyEvent.wRepeatCount = 1;
b[2].EventType = KEY_EVENT;
b[2].Event.KeyEvent.bKeyDown = TRUE;
b[2].Event.KeyEvent.dwControlKeyState = 0;
b[2].Event.KeyEvent.uChar.AsciiChar = '\r';
b[2].Event.KeyEvent.wVirtualKeyCode = VK_RETURN;
b[2].Event.KeyEvent.wRepeatCount = 1;
b[2].Event.KeyEvent.wVirtualScanCode = 0x1c;
b[3].EventType = KEY_EVENT;
b[3].Event.KeyEvent.bKeyDown = FALSE;
b[3].Event.KeyEvent.dwControlKeyState = 0;
b[3].Event.KeyEvent.uChar.AsciiChar = '\r';
b[3].Event.KeyEvent.wVirtualKeyCode = VK_RETURN;
b[3].Event.KeyEvent.wVirtualScanCode = 0x1c;
b[3].Event.KeyEvent.wRepeatCount = 1;
DWORD numb;
BOOL ret = WriteConsoleInput(hStdIn, b, 4, &numb);
cliThread->wait();
#else
cliThread->destroy();
#endif
delete cliThread;
}
// This is done to make sure that we cleanup our so file before it's
// unloaded automatically, since the ~ScriptMgr() is called to late
// as it's allocated with static storage.
sScriptMgr.UnloadScriptLibrary();
///- Exit the process with specified return value
return World::GetExitCode();
}
/// Initialize connection to the databases
bool Master::_StartDB()
{
///- Get world database info from configuration file
std::string dbstring = sConfig.GetStringDefault("WorldDatabaseInfo", "");
int nConnections = sConfig.GetIntDefault("WorldDatabaseConnections", 1);
if (dbstring.empty())
{
sLog.outError("Database not specified in configuration file");
return false;
}
sLog.outString("World Database total connections: %i", nConnections + 1);
///- Initialise the world database
if (!WorldDatabase.Initialize(dbstring.c_str(), nConnections))
{
sLog.outError("Can not connect to world database %s", dbstring.c_str());
return false;
}
///- Check the World database version
if(!WorldDatabase.CheckDatabaseVersion(DATABASE_WORLD))
{
///- Wait for already started DB delay threads to end
WorldDatabase.HaltDelayThread();
return false;
}
dbstring = sConfig.GetStringDefault("CharacterDatabaseInfo", "");
nConnections = sConfig.GetIntDefault("CharacterDatabaseConnections", 1);
if (dbstring.empty())
{
sLog.outError("Character Database not specified in configuration file");
///- Wait for already started DB delay threads to end
WorldDatabase.HaltDelayThread();
return false;
}
sLog.outString("Character Database total connections: %i", nConnections + 1);
///- Initialise the Character database
if (!CharacterDatabase.Initialize(dbstring.c_str(), nConnections))
{
sLog.outError("Can not connect to Character database %s", dbstring.c_str());
///- Wait for already started DB delay threads to end
WorldDatabase.HaltDelayThread();
return false;
}
///- Check the Character database version
if (!CharacterDatabase.CheckDatabaseVersion(DATABASE_CHARACTER))
{
///- Wait for already started DB delay threads to end
WorldDatabase.HaltDelayThread();
CharacterDatabase.HaltDelayThread();
return false;
}
///- Get login database info from configuration file
dbstring = sConfig.GetStringDefault("LoginDatabaseInfo", "");
nConnections = sConfig.GetIntDefault("LoginDatabaseConnections", 1);
if (dbstring.empty())
{
sLog.outError("Login database not specified in configuration file");
///- Wait for already started DB delay threads to end
WorldDatabase.HaltDelayThread();
CharacterDatabase.HaltDelayThread();
return false;
}
///- Initialise the login database
sLog.outString("Login Database total connections: %i", nConnections + 1);
if (!LoginDatabase.Initialize(dbstring.c_str(), nConnections))
{
sLog.outError("Can not connect to login database %s", dbstring.c_str());
///- Wait for already started DB delay threads to end
WorldDatabase.HaltDelayThread();
CharacterDatabase.HaltDelayThread();
return false;
}
///- Check the Realm database version
if (!LoginDatabase.CheckDatabaseVersion(DATABASE_REALMD))
{
///- Wait for already started DB delay threads to end
WorldDatabase.HaltDelayThread();
CharacterDatabase.HaltDelayThread();
LoginDatabase.HaltDelayThread();
return false;
}
sLog.outString();
///- Get the realm Id from the configuration file
realmID = sConfig.GetIntDefault("RealmID", 0);
if (!realmID)
{
sLog.outError("Realm ID not defined in configuration file");
///- Wait for already started DB delay threads to end
WorldDatabase.HaltDelayThread();
CharacterDatabase.HaltDelayThread();
LoginDatabase.HaltDelayThread();
return false;
}
sLog.outString("Realm running as realm ID %d", realmID);
sLog.outString();
///- Clean the database before starting
clearOnlineAccounts();
sWorld.LoadDBVersion();
sLog.outString("Using World DB: %s", sWorld.GetDBVersion());
sLog.outString();
return true;
}
/// Clear 'online' status for all accounts with characters in this realm
void Master::clearOnlineAccounts()
{
// Cleanup online status for characters hosted at current realm
/// \todo Only accounts with characters logged on *this* realm should have online status reset. Move the online column from 'account' to 'realmcharacters'?
LoginDatabase.PExecute("UPDATE account SET active_realm_id = 0, os = '' WHERE active_realm_id = '%u'", realmID);
CharacterDatabase.Execute("UPDATE characters SET online = 0 WHERE online<>0");
// Battleground instance ids reset at server restart
CharacterDatabase.Execute("UPDATE character_battleground_data SET instance_id = 0");
}
/// Handle termination signals
void Master::_OnSignal(int s)
{
switch (s)
{
case SIGINT:
World::StopNow(RESTART_EXIT_CODE);
break;
case SIGTERM:
#ifdef _WIN32
case SIGBREAK:
#endif
World::StopNow(SHUTDOWN_EXIT_CODE);
break;
}
signal(s, _OnSignal);
}
/// Define hook '_OnSignal' for all termination signals
void Master::_HookSignals()
{
signal(SIGINT, _OnSignal);
signal(SIGTERM, _OnSignal);
#ifdef _WIN32
signal(SIGBREAK, _OnSignal);
#endif
}
/// Unhook the signals before leaving
void Master::_UnhookSignals()
{
signal(SIGINT, 0);
signal(SIGTERM, 0);
#ifdef _WIN32
signal(SIGBREAK, 0);
#endif
}