深入分析驴子系列(1)
作者 佚名技术
来源 程序设计
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发布时间 2012-06-29
amp;iSockAddrLen, AcceptConnectionCond, 0); // 宸頁距喘API俊鞭銭俊 if (sNew == INVALID_SOCKET) { DWORD nError = GetLastError(); // 功象卦指議呟械序佩侃尖 if (nError == WSAEWOULDBLOCK) { DebugLogError(LOG_STATUSBAR, _T("%hs: Backlogcounter says %u connections waiting, Accept() says WSAEWOULDBLOCK - setting counter to zero! "), __FUNCTION__, m_nPendingConnections); m_nPendingConnections = 0; break; } else { if (nError != WSAECONNREFUSED || _iAcceptConnectionCondRejected == 0){ DebugLogError(LOG_STATUSBAR, _T("%hs: Backlogcounter says %u connections waiting, Accept() says %s - setting counter to zero!"), __FUNCTION__, m_nPendingConnections, GetErrorMessage(nError, 1)); nFataErrors++; } else if (_iAcceptConnectionCondRejected == 1) theStats.filteredclients++; } if (nFataErrors > 10) { // the question is what todo on a error. We cant just ignore it because then the backlog will fill up // and lock everything. We can also just endlos try to repeat it because this will lock up eMule // this should basically never happen anyway // however if we are in such a position, try to reinitalize the socket. DebugLogError (LOG_STATUSBAR, _T("%hs: Accept() Error Loop, recreating socket"), __FUNCTION__); Close(); StartListening(); m_nPendingConnections = 0; break; } continue; } newclient = new CClientReqSocket; // 匯倖仟議耗俊忖 VERIFY( newclient->InitAsyncSocketExInstance() ); newclient- >m_SocketData.hSocket = sNew; newclient- >AttachHandle(sNew); AddConnection(); } else { newclient = new CClientReqSocket; if (!Accept(*newclient, (SOCKADDR*) &SockAddr, &iSockAddrLen)) { newclient->Safe_Delete(); DWORD nError = GetLastError(); if (nError == WSAEWOULDBLOCK) { DebugLogError(LOG_STATUSBAR, _T("%hs: Backlogcounter says %u connections waiting, Accept() says WSAEWOULDBLOCK - setting counter to zero!"), __FUNCTION__, m_nPendingConnections); m_nPendingConnections = 0; break; } |
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