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// Socket.cpp: implementation of the GHLSocket class. // ////////////////////////////////////////////////////////////////////// #include "Socket.h" ////////////////////////////////////////////////////////////////////// // Construction/Destruction ////////////////////////////////////////////////////////////////////// /****************************************************************************** Class Name : GHLSocket Function Name : GHLSocket() Constructor Description : ............... History : 02/05/2001 Albert Created ******************************************************************************/ bool GHLSocket::bWSAStartupCalled = false; GHLSocket::GHLSocket() { m_pLogger = NULL; m_bSetOrigPort = false; m_usOrigPort = 0; // Initialize the class members m_usPortNum = -1; // set the port number to an invalid port number to prevent mistake in // the future. m_npProtocol = TCP; m_szRemoteHost = NULL; m_szRemoteIP = NULL; m_szIPAddress = NULL; m_bConnected = FALSE; m_Socket = 0; m_dwHeaderLen = HEADER_LEN; // LINGER stLINGER; if ( !bWSAStartupCalled ) { memset ( &m_wsData, 0, sizeof(m_wsData) ); memset ( &m_saSocket, 0, sizeof(SOCKADDR_IN) ); m_wWinsockVer = MAKEWORD ( 2, 0 ); WSAStartup ( m_wWinsockVer, &m_wsData ); if ( m_wsData.wVersion != m_wWinsockVer ) { CHKLOGGER (m_pLogger->Log(1," GHLSocket::GHLSocket() Requested winsock version not available!")); } // end of comparing winsock version else { CHKLOGGER (m_pLogger->Log(3," GHLSocket::GHLSocket() Winsock version OK")); } bWSAStartupCalled = true; } // Creating Socket Event; m_hSocketEvent = WSACreateEvent (); if (WSA_INVALID_EVENT == m_hSocketEvent) { printf ("WSACreateEvent () Fails. WSAGetLastError returns [%ld]", WSAGetLastError ( ) ); // Handle Error closesocket (m_Socket); // Close the socket. CHKLOGGER (m_pLogger->Log(1,"GHLSocket::dwConnect() Creating Socket Event failed.")); } m_bInit = TRUE; // ***** SM FIRE ***** /* if (m_Socket != 0) { stLINGER.l_onoff = 1; stLINGER.l_linger = 0; setsockopt (m_Socket, SOL_SOCKET ,SO_LINGER,(const char *) &stLINGER,sizeof(LINGER)); } */ /* orig code stLINGER.l_onoff = 1; stLINGER.l_linger = 0; setsockopt (m_Socket, SOL_SOCKET ,SO_LINGER,(const char *) &stLINGER,sizeof(LINGER)); */ } /****************************************************************************** Class Name : GHLSocket Function Name : GHLSocket() Constructor Parameter : SOCKET sk_Remote Description : ............... History : 02/05/2001 Albert Created ******************************************************************************/ GHLSocket::GHLSocket(SOCKET sk_Remote) { int iRetval = 0; LINGER stLINGER; m_pLogger = NULL; m_bInit = FALSE; if ( INVALID_SOCKET == sk_Remote ) return; m_bSetOrigPort = false; m_usOrigPort = 0; m_wWinsockVer = MAKEWORD ( 2, 0 ); WSAStartup ( m_wWinsockVer, &m_wsData ); m_Socket = sk_Remote; // assign the remote socket to be used by the class directly. m_npProtocol = TCP; m_szIPAddress = NULL; m_szRemoteHost = NULL; m_szRemoteIP = NULL; m_usPortNum = -1; m_dwHeaderLen = 0; iRetval = sizeof(SOCKADDR); // get this and the remote socket address... getsockname ( m_Socket, (SOCKADDR *) &m_saSocket, &iRetval); getpeername ( m_Socket, (SOCKADDR *) &m_saRemote, &iRetval ); m_szRemoteIP = (char *) MemAlloc ( sizeof(char) * 25 ); m_szIPAddress = (char *) MemAlloc ( sizeof(char) * 25 ); sprintf ( m_szIPAddress, "%d.%d.%d.%d", m_saSocket.sin_addr.S_un.S_un_b.s_b1, m_saSocket.sin_addr.S_un.S_un_b.s_b2, m_saSocket.sin_addr.S_un.S_un_b.s_b3, m_saSocket.sin_addr.S_un.S_un_b.s_b4 ); sprintf ( m_szRemoteIP, "%d.%d.%d.%d", m_saRemote.sin_addr.S_un.S_un_b.s_b1, m_saRemote.sin_addr.S_un.S_un_b.s_b2, m_saRemote.sin_addr.S_un.S_un_b.s_b3, m_saRemote.sin_addr.S_un.S_un_b.s_b4 ); m_usPortNum = ntohs ( m_saSocket.sin_port ); // Creating Socket Event; m_hSocketEvent = WSACreateEvent (); if (WSA_INVALID_EVENT == m_hSocketEvent) { // Handle Error closesocket (m_Socket); // Close the socket. CHKLOGGER (m_pLogger->Log(1,"GHLSocket::GHLSocket() Creating Socket Event failed.")); } stLINGER.l_onoff = 1; stLINGER.l_linger = 0; setsockopt (m_Socket, SOL_SOCKET ,SO_LINGER,(const char *) &stLINGER,sizeof(LINGER)); m_bInit = TRUE; m_bConnected = TRUE; } /****************************************************************************** Class Name : GHLSocket Function Name : ~GHLSocket() Description : ............... History : 02/05/2001 Albert Created ******************************************************************************/ GHLSocket::~GHLSocket() { int iRetval = 0; if (m_szRemoteHost) MemFree (m_szRemoteHost); if (m_szIPAddress) MemFree (m_szIPAddress); if (m_szRemoteIP) MemFree (m_szRemoteIP); WSACloseEvent (m_hSocketEvent); // Close the Socket Event if ( 0 != m_Socket ) iRetval = closesocket ( m_Socket ); } /****************************************************************************** Class Name : GHLSocket Function Name : StartLogging() Parameter : char * sz_LogFileName [in] int i_LogLevel [in] Return : true - The function has started successfully false - The function has fail to start. Description : Start the logging mechanism. History : 02/05/2001 Albert Created ******************************************************************************/ bool GHLSocket::StartLogging(char *sz_LogFileName, int i_LogLevel) { if (m_pLogger) delete m_pLogger; // Delete off old logger m_pLogger = new Logger (sz_LogFileName, i_LogLevel, LOGGER_TYPE_DAILY); if (!m_pLogger) return false; CHKLOGGER (m_pLogger->LogMsg (3,"")); CHKLOGGER (m_pLogger->LogMsg (3,"================================")); CHKLOGGER (m_pLogger->Log(3,"GHLSocket::StartLogging() Logging Mechanism started ")); return true; } /****************************************************************************** Class Name : GHLSocket Function Name : dwConnect() Parameter : none Return : S_OK Success E_PARAMETER_NOT_SET The two requested parameters are not set. E_CREATE_SOCKET_FAILED Socket creation failed E_CONNECT_SOCKET_FAILED Socket connection failed Description : ............. History : 02/05/2001 Albert Created ******************************************************************************/ DWORD GHLSocket::dwConnect() { int iRetval = 0; HOSTENT * phRemoteHost = NULL; LINGER stLINGER; BOOL bReuse = TRUE; SOCKADDR_IN SocketAddress; // The socket address for the socket to be used. // check if the required data have been filled in. if ( (!m_szRemoteHost && !m_szIPAddress) || -1 == m_usPortNum ) return E_PARAMETER_NOT_SET; // set the socket address structure. if ( m_szRemoteHost ) { phRemoteHost = gethostbyname ( m_szRemoteHost ); m_saSocket.sin_port = htons(m_usPortNum); m_saSocket.sin_family = AF_INET; memcpy ( &(m_saSocket.sin_addr), phRemoteHost->h_addr, sizeof(int) ); } else if ( m_szIPAddress ) { //phRemoteHost = gethostbyaddr ( (const char*) m_szIPAddress, strlen( (const char*) m_szIPAddress), TCP ); unsigned long ulDestSockAddr; ulDestSockAddr = inet_addr (m_szIPAddress); m_saSocket.sin_port = htons(m_usPortNum); m_saSocket.sin_family = AF_INET; memcpy ( &(m_saSocket.sin_addr), &ulDestSockAddr, sizeof(ulDestSockAddr) ); } // create the socket now... m_Socket = socket ( AF_INET, SOCK_STREAM, ( TCP == m_npProtocol ) ? IPPROTO_TCP : IPPROTO_UDP ); if ( 0 == m_Socket ) { CHKLOGGER (m_pLogger->Log(1,"GHLSocket::dwConnect() Socket creation failed.")); #if defined GHLSOCKET_DEBUG_VERSIO