mangos/src/game/Server/WorldSocketMgr.cpp
H0zen 5576da2b9f Fix the network module.
- This fix must be applied on all cores.
    - Solved a nasty race condition between network threads.
2017-02-13 22:55:06 +00:00

147 lines
4.0 KiB
C++

/**
* 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 WorldSocketMgr.cpp
* \ingroup u2w
* \author Derex <derex101@gmail.com>
*/
#include "Common.h"
#include "Log.h"
#include "Config/Config.h"
#include "WorldSocket.h"
#include "WorldSocketMgr.h"
#include <ace/ACE.h>
#include <ace/TP_Reactor.h>
#include <ace/os_include/arpa/os_inet.h>
#include <ace/os_include/netinet/os_tcp.h>
#include <ace/os_include/sys/os_types.h>
#include <ace/os_include/sys/os_socket.h>
#include <set>
WorldSocketMgr::WorldSocketMgr()
: m_SockOutKBuff(-1), m_SockOutUBuff(65536), m_UseNoDelay(true),
acceptor_(NULL),reactor_(NULL)
{
}
WorldSocketMgr::~WorldSocketMgr()
{
if (reactor_) delete reactor_;
if (acceptor_) delete acceptor_;
}
int WorldSocketMgr::svc()
{
DEBUG_LOG("Starting Network Thread");
reactor_->run_reactor_event_loop();
DEBUG_LOG("Network Thread Exitting");
return 0;
}
int WorldSocketMgr::StartNetwork(ACE_INET_Addr& addr)
{
int num_threads = sConfig.GetIntDefault("Network.Threads", 1);
if (num_threads <= 0)
{
sLog.outError("Network.Threads is wrong in your config file");
return -1;
}
m_SockOutUBuff = sConfig.GetIntDefault("Network.OutUBuff", 65536);
if (m_SockOutUBuff <= 0)
{
sLog.outError("Network.OutUBuff is wrong in your config file");
return -1;
}
// -1 means use default
m_SockOutKBuff = sConfig.GetIntDefault("Network.OutKBuff", -1);
m_UseNoDelay = sConfig.GetBoolDefault("Network.TcpNodelay", true);
ACE_Reactor_Impl* imp = 0;
imp = new ACE_TP_Reactor();
imp->max_notify_iterations(128);
reactor_ = new ACE_Reactor(imp, 1);
acceptor_ = new WorldAcceptor;
if (acceptor_->open(addr, reactor_, ACE_NONBLOCK) == -1)
{
sLog.outError("Failed to open acceptor, check if the port is free");
return -1;
}
if (activate(THR_NEW_LWP | THR_JOINABLE, num_threads) == -1)
return -1;
sLog.outString("Max allowed socket connections: %d", ACE::max_handles());
return 0;
}
void WorldSocketMgr::StopNetwork()
{
if (acceptor_) acceptor_->close();
if (reactor_) reactor_->end_reactor_event_loop();
wait();
}
int WorldSocketMgr::OnSocketOpen(WorldSocket* sock)
{
// set some options here
if (m_SockOutKBuff >= 0)
{
if (sock->peer().set_option(SOL_SOCKET, SO_SNDBUF, (void*)&m_SockOutKBuff, sizeof(int)) == -1 && errno != ENOTSUP)
{
sLog.outError("WorldSocketMgr::OnSocketOpen set_option SO_SNDBUF");
return -1;
}
}
static const int ndoption = 1;
// Set TCP_NODELAY.
if (m_UseNoDelay)
{
if (sock->peer().set_option(ACE_IPPROTO_TCP, TCP_NODELAY, (void*)&ndoption, sizeof(int)) == -1)
{
sLog.outError("WorldSocketMgr::OnSocketOpen: peer().set_option TCP_NODELAY errno = %s", ACE_OS::strerror(errno));
return -1;
}
}
sock->m_OutBufferSize = static_cast<size_t>(m_SockOutUBuff);
sock->reactor(reactor_);
return 0;
}