Fixed two race conditions.

This commit is contained in:
lotodore
2007-10-30 21:25:10 +00:00
parent fee8450a74
commit b0524a59ff
3 changed files with 46 additions and 27 deletions
+4 -2
View File
@@ -22,6 +22,7 @@
#include <net/socket_msg.h>
#include <net/socket_helper.h>
#include <cstring>
#include <cassert>
#include <core/boost/timers.hpp>
#include <boost/bind.hpp>
@@ -203,15 +204,15 @@ SenderThread::Main()
Msleep(SEND_TIMEOUT_MSEC);
}
}
else
else // other errors than would block
{
// Skip this packet - this is bad, and is therefore reported.
// Ignore invalid or not connected sockets.
if (errCode != SOCKET_ERR_NOTCONN && errCode != SOCKET_ERR_NOTSOCK)
m_callback.SignalNetError(m_curSession->GetId(), ERR_SOCK_SEND_FAILED, errCode);
RemoveCurSendData();
Msleep(SEND_TIMEOUT_MSEC);
}
Msleep(SEND_TIMEOUT_MSEC);
}
else if ((unsigned)bytesSent < m_tmpOutBufSize)
{
@@ -225,6 +226,7 @@ SenderThread::Main()
}
else
{
assert(bytesSent == m_tmpOutBufSize);
m_tmpOutBufSize = 0;
m_curSession.reset();
sendTimer.reset();
+38 -24
View File
@@ -121,7 +121,10 @@ ServerLobbyThread::RemoveSessionFromGame(SessionWrapper session)
void
ServerLobbyThread::CloseSession(SessionWrapper session)
{
m_initTimerSessionMap.erase(session.sessionData->GetId());
{
boost::mutex::scoped_lock lock(m_initTimerSessionMapMutex);
m_initTimerSessionMap.erase(session.sessionData->GetId());
}
m_sessionManager.RemoveSession(session.sessionData->GetId());
m_gameSessionManager.RemoveSession(session.sessionData->GetId());
@@ -616,10 +619,16 @@ ServerLobbyThread::EstablishSession(SessionWrapper session)
SendGameList(session.sessionData);
// Session is now established.
m_initTimerSessionMap.erase(session.sessionData->GetId());
{
boost::mutex::scoped_lock lock(m_initTimerSessionMapMutex);
m_initTimerSessionMap.erase(session.sessionData->GetId());
}
session.sessionData->SetState(SessionData::Established);
++m_totalPlayersLoggedIn;
{
boost::mutex::scoped_lock lock(m_statMutex);
++m_totalPlayersLoggedIn;
}
BroadcastStatisticsUpdate();
}
@@ -674,22 +683,21 @@ ServerLobbyThread::NewSessionLoop()
void
ServerLobbyThread::CloseSessionLoop()
{
{
InitTimerSessionMap::iterator i = m_initTimerSessionMap.begin();
InitTimerSessionMap::iterator end = m_initTimerSessionMap.end();
boost::mutex::scoped_lock lock(m_initTimerSessionMapMutex);
InitTimerSessionMap::iterator i = m_initTimerSessionMap.begin();
InitTimerSessionMap::iterator end = m_initTimerSessionMap.end();
// Remove sessions if they do not initialize within a certain period.
while (i != end)
// Remove sessions if they do not initialize within a certain period.
while (i != end)
{
InitTimerSessionMap::iterator next = i;
++next;
if (i->second.elapsed().total_seconds() > SERVER_INIT_SESSION_TIMEOUT_SEC)
{
InitTimerSessionMap::iterator next = i;
++next;
if (i->second.elapsed().total_seconds() > SERVER_INIT_SESSION_TIMEOUT_SEC)
{
m_sessionManager.RemoveSession(i->first);
m_initTimerSessionMap.erase(i);
}
i = next;
m_sessionManager.RemoveSession(i->first);
m_initTimerSessionMap.erase(i);
}
i = next;
}
}
@@ -740,7 +748,10 @@ ServerLobbyThread::InternalAddGame(boost::shared_ptr<ServerGameThread> game)
m_sessionManager.SendToAllSessionsLowPrio(GetSender(), CreateNetPacketGameListNew(*game), SessionData::Established);
m_gameSessionManager.SendToAllSessionsLowPrio(GetSender(), CreateNetPacketGameListNew(*game), SessionData::Game);
++m_totalGamesStarted;
{
boost::mutex::scoped_lock lock(m_statMutex);
++m_totalGamesStarted;
}
BroadcastStatisticsUpdate();
}
@@ -791,6 +802,7 @@ ServerLobbyThread::HandleNewConnection(boost::shared_ptr<ConnectData> connData)
if (m_sessionManager.GetRawSessionCount() <= SERVER_MAX_NUM_SESSIONS)
{
boost::mutex::scoped_lock lock(m_initTimerSessionMapMutex);
m_initTimerSessionMap[sessionData->GetId()] = boost::timers::portable::microsec_timer();
}
else
@@ -877,14 +889,16 @@ ServerLobbyThread::BroadcastStatisticsUpdate()
{
boost::shared_ptr<NetPacket> packet(new NetPacketStatisticsChanged);
NetPacketStatisticsChanged::Data statData;
unsigned curNumberOfPlayersOnServer = m_sessionManager.GetRawSessionCount() + m_gameSessionManager.GetRawSessionCount();
if (curNumberOfPlayersOnServer != m_lastStatData.numberOfPlayersOnServer)
m_lastStatData.numberOfPlayersOnServer = statData.stats.numberOfPlayersOnServer = curNumberOfPlayersOnServer;
if (m_totalPlayersLoggedIn != m_lastStatData.totalPlayersEverLoggedIn)
m_lastStatData.totalPlayersEverLoggedIn = statData.stats.totalPlayersEverLoggedIn = m_totalPlayersLoggedIn;
if (m_totalGamesStarted != m_lastStatData.totalGamesEverStarted)
m_lastStatData.totalGamesEverStarted = statData.stats.totalGamesEverStarted = m_totalGamesStarted;
{
boost::mutex::scoped_lock lock(m_statMutex);
if (curNumberOfPlayersOnServer != m_lastStatData.numberOfPlayersOnServer)
m_lastStatData.numberOfPlayersOnServer = statData.stats.numberOfPlayersOnServer = curNumberOfPlayersOnServer;
if (m_totalPlayersLoggedIn != m_lastStatData.totalPlayersEverLoggedIn)
m_lastStatData.totalPlayersEverLoggedIn = statData.stats.totalPlayersEverLoggedIn = m_totalPlayersLoggedIn;
if (m_totalGamesStarted != m_lastStatData.totalGamesEverStarted)
m_lastStatData.totalGamesEverStarted = statData.stats.totalGamesEverStarted = m_totalGamesStarted;
}
if (curNumberOfPlayersOnServer)
{
+4 -1
View File
@@ -150,6 +150,7 @@ private:
SessionManager m_gameSessionManager;
InitTimerSessionMap m_initTimerSessionMap;
mutable boost::mutex m_initTimerSessionMapMutex;
RemoveGameList m_removeGameList;
mutable boost::mutex m_removeGameListMutex;
@@ -173,9 +174,11 @@ private:
u_int32_t m_curSessionId;
mutable boost::mutex m_curUniquePlayerIdMutex;
ServerStats m_lastStatData;
unsigned m_totalPlayersLoggedIn;
unsigned m_totalGamesStarted;
ServerStats m_lastStatData;
mutable boost::mutex m_statMutex;
boost::timers::portable::microsec_timer m_cacheCleanupTimer;
};