mirror of
https://github.com/mangosfour/server.git
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366 lines
8.9 KiB
C++
366 lines
8.9 KiB
C++
/*
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* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/** \file WorldSocketMgr.cpp
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* \ingroup u2w
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* \author Derex <derex101@gmail.com>
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*/
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#include "WorldSocketMgr.h"
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#include <ace/ACE.h>
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#include <ace/Log_Msg.h>
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#include <ace/Reactor.h>
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#include <ace/Reactor_Impl.h>
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#include <ace/TP_Reactor.h>
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#include <ace/Dev_Poll_Reactor.h>
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#include <ace/Guard_T.h>
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#include <ace/Atomic_Op.h>
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#include <ace/os_include/arpa/os_inet.h>
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#include <ace/os_include/netinet/os_tcp.h>
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#include <ace/os_include/sys/os_types.h>
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#include <ace/os_include/sys/os_socket.h>
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#include <set>
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#include "Log.h"
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#include "Common.h"
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#include "Config/ConfigEnv.h"
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#include "Database/DatabaseEnv.h"
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#include "WorldSocket.h"
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/**
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* This is a helper class to WorldSocketMgr ,that manages
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* network threads, and assigning connections from acceptor thread
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* to other network threads
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*/
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class ReactorRunnable : protected ACE_Task_Base
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{
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public:
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ReactorRunnable () :
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m_ThreadId (-1),
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m_Connections (0),
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m_Reactor (0)
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{
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ACE_Reactor_Impl* imp = 0;
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#if defined (ACE_HAS_EVENT_POLL) || defined (ACE_HAS_DEV_POLL)
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imp = new ACE_Dev_Poll_Reactor ();
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imp->max_notify_iterations (128);
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imp->restart (1);
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#else
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imp = new ACE_TP_Reactor ();
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imp->max_notify_iterations (128);
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#endif
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m_Reactor = new ACE_Reactor (imp, 1);
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}
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virtual ~ReactorRunnable ()
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{
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Stop ();
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Wait ();
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if (m_Reactor)
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delete m_Reactor;
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}
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void Stop ()
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{
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m_Reactor->end_reactor_event_loop ();
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}
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int Start ()
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{
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if (m_ThreadId != -1)
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return -1;
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return (m_ThreadId = activate ());
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}
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void Wait () { ACE_Task_Base::wait (); }
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long Connections ()
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{
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return static_cast<long> (m_Connections.value ());
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}
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int AddSocket (WorldSocket* sock)
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{
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ACE_GUARD_RETURN (ACE_Thread_Mutex, Guard, m_NewSockets_Lock, -1);
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++m_Connections;
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sock->AddReference();
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sock->reactor (m_Reactor);
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m_NewSockets.insert (sock);
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return 0;
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}
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ACE_Reactor* GetReactor ()
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{
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return m_Reactor;
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}
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protected:
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void AddNewSockets ()
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{
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ACE_GUARD (ACE_Thread_Mutex, Guard, m_NewSockets_Lock);
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if (m_NewSockets.empty ())
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return;
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for (SocketSet::const_iterator i = m_NewSockets.begin (); i != m_NewSockets.end (); ++i)
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{
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WorldSocket* sock = (*i);
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if (sock->IsClosed ())
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{
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sock->RemoveReference ();
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--m_Connections;
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}
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else
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m_Sockets.insert (sock);
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}
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m_NewSockets.clear ();
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}
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virtual int svc ()
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{
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DEBUG_LOG ("Network Thread Starting");
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WorldDatabase.ThreadStart ();
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ACE_ASSERT (m_Reactor);
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SocketSet::iterator i, t;
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while (!m_Reactor->reactor_event_loop_done ())
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{
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// dont be too smart to move this outside the loop
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// the run_reactor_event_loop will modify interval
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ACE_Time_Value interval (0, 10000);
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if (m_Reactor->run_reactor_event_loop (interval) == -1)
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break;
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AddNewSockets ();
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for (i = m_Sockets.begin (); i != m_Sockets.end ();)
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{
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if ((*i)->Update () == -1)
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{
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t = i;
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++i;
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(*t)->CloseSocket ();
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(*t)->RemoveReference ();
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--m_Connections;
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m_Sockets.erase (t);
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}
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else
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++i;
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}
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}
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WorldDatabase.ThreadEnd ();
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DEBUG_LOG ("Network Thread Exitting");
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return 0;
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}
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private:
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typedef ACE_Atomic_Op<ACE_SYNCH_MUTEX, long> AtomicInt;
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typedef std::set<WorldSocket*> SocketSet;
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ACE_Reactor* m_Reactor;
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AtomicInt m_Connections;
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int m_ThreadId;
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SocketSet m_Sockets;
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SocketSet m_NewSockets;
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ACE_Thread_Mutex m_NewSockets_Lock;
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};
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WorldSocketMgr::WorldSocketMgr () :
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m_NetThreadsCount (0),
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m_NetThreads (0),
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m_SockOutKBuff (-1),
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m_SockOutUBuff (65536),
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m_UseNoDelay (true),
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m_Acceptor (0)
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{
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}
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WorldSocketMgr::~WorldSocketMgr ()
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{
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if (m_NetThreads)
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delete [] m_NetThreads;
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if(m_Acceptor)
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delete m_Acceptor;
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}
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int
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WorldSocketMgr::StartReactiveIO (ACE_UINT16 port, const char* address)
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{
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m_UseNoDelay = sConfig.GetBoolDefault ("Network.TcpNodelay", true);
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int num_threads = sConfig.GetIntDefault ("Network.Threads", 1);
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if (num_threads <= 0)
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{
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sLog.outError ("Network.Threads is wrong in your config file");
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return -1;
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}
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m_NetThreadsCount = static_cast<size_t> (num_threads + 1);
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m_NetThreads = new ReactorRunnable[m_NetThreadsCount];
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sLog.outBasic ("Max allowed socket connections %d",ACE::max_handles ());
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// -1 means use default
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m_SockOutKBuff = sConfig.GetIntDefault ("Network.OutKBuff", -1);
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m_SockOutUBuff = sConfig.GetIntDefault ("Network.OutUBuff", 65536);
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if ( m_SockOutUBuff <= 0 )
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{
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sLog.outError ("Network.OutUBuff is wrong in your config file");
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return -1;
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}
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WorldSocket::Acceptor *acc = new WorldSocket::Acceptor;
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m_Acceptor = acc;
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ACE_INET_Addr listen_addr (port, address);
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if (acc->open (listen_addr, m_NetThreads[0].GetReactor (), ACE_NONBLOCK) == -1)
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{
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sLog.outError ("Failed to open acceptor ,check if the port is free");
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return -1;
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}
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for (size_t i = 0; i < m_NetThreadsCount; ++i)
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m_NetThreads[i].Start ();
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return 0;
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}
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int
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WorldSocketMgr::StartNetwork (ACE_UINT16 port, const char* address)
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{
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if (!sLog.IsOutDebug ())
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ACE_Log_Msg::instance ()->priority_mask (LM_ERROR, ACE_Log_Msg::PROCESS);
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if (StartReactiveIO (port, address) == -1)
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return -1;
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return 0;
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}
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void
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WorldSocketMgr::StopNetwork ()
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{
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if (m_Acceptor)
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{
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WorldSocket::Acceptor* acc = dynamic_cast<WorldSocket::Acceptor*> (m_Acceptor);
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if (acc)
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acc->close ();
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}
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if (m_NetThreadsCount != 0)
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{
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for (size_t i = 0; i < m_NetThreadsCount; ++i)
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m_NetThreads[i].Stop ();
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}
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Wait ();
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}
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void
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WorldSocketMgr::Wait ()
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{
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if (m_NetThreadsCount != 0)
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{
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for (size_t i = 0; i < m_NetThreadsCount; ++i)
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m_NetThreads[i].Wait ();
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}
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}
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int
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WorldSocketMgr::OnSocketOpen (WorldSocket* sock)
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{
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// set some options here
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if (m_SockOutKBuff >= 0)
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{
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if (sock->peer ().set_option (SOL_SOCKET,
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SO_SNDBUF,
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(void*) & m_SockOutKBuff,
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sizeof (int)) == -1 && errno != ENOTSUP)
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{
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sLog.outError ("WorldSocketMgr::OnSocketOpen set_option SO_SNDBUF");
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return -1;
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}
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}
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static const int ndoption = 1;
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// Set TCP_NODELAY.
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if (m_UseNoDelay)
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{
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if (sock->peer ().set_option (ACE_IPPROTO_TCP,
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TCP_NODELAY,
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(void*)&ndoption,
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sizeof (int)) == -1)
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{
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sLog.outError ("WorldSocketMgr::OnSocketOpen: peer ().set_option TCP_NODELAY errno = %s", ACE_OS::strerror (errno));
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return -1;
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}
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}
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sock->m_OutBufferSize = static_cast<size_t> (m_SockOutUBuff);
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// we skip the Acceptor Thread
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size_t min = 1;
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ACE_ASSERT (m_NetThreadsCount >= 1);
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for (size_t i = 1; i < m_NetThreadsCount; ++i)
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if (m_NetThreads[i].Connections () < m_NetThreads[min].Connections ())
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min = i;
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return m_NetThreads[min].AddSocket (sock);
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}
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WorldSocketMgr*
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WorldSocketMgr::Instance ()
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{
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return ACE_Singleton<WorldSocketMgr,ACE_Thread_Mutex>::instance();
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}
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