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-rw-r--r--src/game/WorldSocketMgr.cpp353
1 files changed, 334 insertions, 19 deletions
diff --git a/src/game/WorldSocketMgr.cpp b/src/game/WorldSocketMgr.cpp
index 0281d200109..7af1389e92a 100644
--- a/src/game/WorldSocketMgr.cpp
+++ b/src/game/WorldSocketMgr.cpp
@@ -16,40 +16,355 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-/** \file
- \ingroup u2w
-*/
+/** \file WorldSocketMgr.cpp
+ * \ingroup u2w
+ * \author Derex <derex101@gmail.com>
+ */
+
+#include "WorldSocketMgr.h"
+#include <ace/ACE.h>
+#include <ace/Log_Msg.h>
+#include <ace/Reactor.h>
+#include <ace/Reactor_Impl.h>
+#include <ace/TP_Reactor.h>
+#include <ace/Dev_Poll_Reactor.h>
+#include <ace/Guard_T.h>
+#include <ace/Atomic_Op.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>
+
+#include "Log.h"
#include "Common.h"
+#include "Config/ConfigEnv.h"
+#include "Database/DatabaseEnv.h"
#include "WorldSocket.h"
-#include "WorldSocketMgr.h"
-#include "Policies/SingletonImp.h"
-INSTANTIATE_SINGLETON_1( WorldSocketMgr );
+/**
+ * This is a helper class to WorldSocketMgr ,that manages
+ * network threads, and assigning connections from acceptor thread
+ * to other network threads
+ */
+class ReactorRunnable : protected ACE_Task_Base
+{
+public:
+
+ ReactorRunnable () :
+ m_ThreadId (-1),
+ m_Connections (0),
+ m_Reactor (0)
+ {
+ 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);
+ }
+
+ virtual
+ ~ReactorRunnable ()
+ {
+ this->Stop ();
+ this->Wait ();
+
+ if (m_Reactor)
+ delete m_Reactor;
+ }
+
+ void
+ Stop ()
+ {
+ m_Reactor->end_reactor_event_loop ();
+ }
+
+ int
+ Start ()
+ {
+ if (m_ThreadId != -1)
+ return -1;
+
+ return (m_ThreadId = this->activate ());
+ }
+
+ void
+ Wait ()
+ {
+ ACE_Task_Base::wait ();
+ }
+
+ long
+ Connections ()
+ {
+ return static_cast<long> (m_Connections.value ());
+ }
+
+ int
+ AddSocket (WorldSocket* sock)
+ {
+ ACE_GUARD_RETURN (ACE_Thread_Mutex, Guard, m_NewSockets_Lock, -1);
+
+ ++m_Connections;
+ sock->AddReference();
+ sock->reactor (m_Reactor);
+ m_NewSockets.insert (sock);
+
+ return 0;
+ }
+
+ ACE_Reactor* GetReactor ()
+ {
+ return m_Reactor;
+ }
+
+protected:
+
+ void
+ AddNewSockets ()
+ {
+ ACE_GUARD (ACE_Thread_Mutex, Guard, m_NewSockets_Lock);
+
+ if (m_NewSockets.empty ())
+ return;
+
+ for (SocketSet::iterator i = m_NewSockets.begin (); i != m_NewSockets.end (); ++i)
+ {
+ WorldSocket* sock = (*i);
+
+ if (sock->IsClosed ())
+ {
+ sock->RemoveReference ();
+ --m_Connections;
+ }
+ else
+ m_Sockets.insert (sock);
+ }
+
+ m_NewSockets.clear ();
+ }
+
+ virtual int
+ svc (void)
+ {
+ DEBUG_LOG ("Network Thread Starting");
+
+ WorldDatabase.ThreadStart ();
+
+ ACE_ASSERT (m_Reactor);
+
+ SocketSet::iterator i, t;
+
+ while (!m_Reactor->reactor_event_loop_done ())
+ {
+ // dont be too smart to move this outside the loop
+ // the run_reactor_event_loop will modify interval
+ ACE_Time_Value interval (0, 10000);
+
+ if (m_Reactor->run_reactor_event_loop (interval) == -1)
+ break;
+
+ AddNewSockets ();
+
+ for (i = m_Sockets.begin (); i != m_Sockets.end ();)
+ {
+ if ((*i)->Update () == -1)
+ {
+ t = i;
+ i++;
+ (*t)->CloseSocket ();
+ (*t)->RemoveReference ();
+ --m_Connections;
+ m_Sockets.erase (t);
+ }
+ else
+ i++;
+ }
+ }
+
+ WorldDatabase.ThreadEnd ();
+
+ DEBUG_LOG ("Network Thread Exitting");
+
+ return 0;
+ }
+
+private:
+ typedef ACE_Atomic_Op<ACE_SYNCH_MUTEX, long> AtomicInt;
+ typedef std::set<WorldSocket*> SocketSet;
+
+ ACE_Reactor* m_Reactor;
+ AtomicInt m_Connections;
+ int m_ThreadId;
+
+ SocketSet m_Sockets;
+
+ SocketSet m_NewSockets;
+ ACE_Thread_Mutex m_NewSockets_Lock;
+};
+
+
+
+WorldSocketMgr::WorldSocketMgr () :
+m_NetThreadsCount (0),
+m_NetThreads (0),
+m_SockOutKBuff (-1),
+m_SockOutUBuff (65536),
+m_UseNoDelay (true),
+m_Acceptor (0) {}
-/// WorldSocketMgr constructor
-WorldSocketMgr::WorldSocketMgr()
+WorldSocketMgr::~WorldSocketMgr ()
{
+ if (m_NetThreads)
+ delete [] m_NetThreads;
+
+ if(m_Acceptor)
+ delete m_Acceptor;
}
-/// Add a WorldSocket to the set
-void WorldSocketMgr::AddSocket(WorldSocket *s)
+int
+WorldSocketMgr::StartReactiveIO (ACE_UINT16 port, const char* address)
{
- m_sockets.insert(s);
+ m_UseNoDelay = sConfig.GetBoolDefault ("Network.TcpNodelay", true);
+
+ 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_NetThreadsCount = static_cast<size_t> (num_threads + 1);
+
+ m_NetThreads = new ReactorRunnable[m_NetThreadsCount];
+
+ sLog.outBasic ("Max alowed socket connections %d",ACE::max_handles ());
+
+ m_SockOutKBuff = sConfig.GetIntDefault ("Network.OutKBuff", -1); // -1 means use default
+
+ m_SockOutUBuff = sConfig.GetIntDefault ("Network.OutUBuff", 65536);
+
+ if ( m_SockOutUBuff <= 0 )
+ {
+ sLog.outError ("Network.OutUBuff is wrong in your config file");
+ return -1;
+ }
+
+ WorldSocket::Acceptor *acc = new WorldSocket::Acceptor;
+ m_Acceptor = acc;
+
+ ACE_INET_Addr listen_addr (port, address);
+
+ if (acc->open (listen_addr, m_NetThreads[0].GetReactor (), ACE_NONBLOCK) == -1)
+ {
+ sLog.outError ("Failed to open acceptor ,check if the port is free");
+ return -1;
+ }
+
+ for (size_t i = 0; i < m_NetThreadsCount; ++i)
+ m_NetThreads[i].Start ();
+
+ return 0;
}
-/// Remove a WorldSocket to the set
-void WorldSocketMgr::RemoveSocket(WorldSocket *s)
+int
+WorldSocketMgr::StartNetwork (ACE_UINT16 port, const char* address)
{
- m_sockets.erase(s);
+ if (!sLog.IsOutDebug ())
+ ACE_Log_Msg::instance ()->priority_mask (LM_ERROR, ACE_Log_Msg::PROCESS);
+
+ if (this->StartReactiveIO (port, address) == -1)
+ return -1;
+
+ return 0;
}
-/// Triggers an 'update' to all sockets in the set
-void WorldSocketMgr::Update(time_t diff)
+void
+WorldSocketMgr::StopNetwork ()
{
- SocketSet::iterator i;
- for(i = m_sockets.begin(); i != m_sockets.end(); i++)
+ if (m_Acceptor)
{
- (*i)->Update(diff);
+ WorldSocket::Acceptor* acc = dynamic_cast<WorldSocket::Acceptor*> (m_Acceptor);
+
+ if (acc)
+ acc->close ();
}
+
+ if (m_NetThreadsCount != 0)
+ {
+ for (size_t i = 0; i < m_NetThreadsCount; ++i)
+ m_NetThreads[i].Stop ();
+ }
+
+ this->Wait ();
+}
+
+void
+WorldSocketMgr::Wait ()
+{
+ if (m_NetThreadsCount != 0)
+ {
+ for (size_t i = 0; i < m_NetThreadsCount; ++i)
+ m_NetThreads[i].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);
+
+ // we skip the Acceptor Thread
+ size_t min = 1;
+
+ ACE_ASSERT (m_NetThreadsCount >= 1);
+
+ for (size_t i = 1; i < m_NetThreadsCount; ++i)
+ if (m_NetThreads[i].Connections () < m_NetThreads[min].Connections ())
+ min = i;
+
+ return m_NetThreads[min].AddSocket (sock);
+
+ return 0;
+}
+
+WorldSocketMgr*
+WorldSocketMgr::Instance ()
+{
+ return ACE_Singleton<WorldSocketMgr,ACE_Thread_Mutex>::instance();
}