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/home/orenmnero/autobuild/quickfix/src/C++/SocketConnection.h

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00001 /* -*- C++ -*- */
00002 
00003 /****************************************************************************
00004 ** Copyright (c) quickfixengine.org  All rights reserved.
00005 **
00006 ** This file is part of the QuickFIX FIX Engine
00007 **
00008 ** This file may be distributed under the terms of the quickfixengine.org
00009 ** license as defined by quickfixengine.org and appearing in the file
00010 ** LICENSE included in the packaging of this file.
00011 **
00012 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00013 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00014 **
00015 ** See http://www.quickfixengine.org/LICENSE for licensing information.
00016 **
00017 ** Contact ask@quickfixengine.org if any conditions of this licensing are
00018 ** not clear to you.
00019 **
00020 ****************************************************************************/
00021 
00022 #ifndef FIX_SOCKETCONNECTION_H
00023 #define FIX_SOCKETCONNECTION_H
00024 
00025 #ifdef _MSC_VER
00026 #pragma warning( disable : 4503 4355 4786 4290 )
00027 #endif
00028 
00029 #include "Parser.h"
00030 #include "Responder.h"
00031 #include "SessionID.h"
00032 #include "SocketMonitor.h"
00033 #include <set>
00034 
00035 namespace FIX
00036 {
00037 class SocketAcceptor;
00038 class SocketServer;
00039 class SocketConnector;
00040 class SocketInitiator;
00041 class Session;
00042 
00044 class SocketConnection : Responder
00045 {
00046 public:
00047   typedef std::set<SessionID> Sessions;
00048 
00049   SocketConnection( int s, Sessions sessions, SocketMonitor* pMonitor );
00050   SocketConnection( SocketInitiator&, const SessionID&, int, SocketMonitor* );
00051   virtual ~SocketConnection();
00052 
00053   int getSocket() const { return m_socket; }
00054   Session* getSession() const { return m_pSession; }
00055 
00056   bool read( SocketConnector& s );
00057   bool read( SocketAcceptor&, SocketServer& );
00058   bool processQueue();
00059 
00060   void signal()
00061   {
00062     Locker l( m_mutex );
00063     if( m_sendQueue.size() == 1 )
00064       m_pMonitor->signal( m_socket );
00065   }
00066 
00067   void unsignal()
00068   {
00069     Locker l( m_mutex );
00070     if( m_sendQueue.size() == 0 )
00071       m_pMonitor->unsignal( m_socket );
00072   }
00073 
00074   void onTimeout();
00075 
00076 private:
00077   typedef std::deque<std::string>
00078     Queue;
00079 
00080   bool isValidSession();
00081   void readFromSocket() throw( SocketRecvFailed );
00082   bool readMessage( std::string& msg );
00083   void readMessages( SocketMonitor& s );
00084   bool send( const std::string& );
00085   void disconnect();
00086 
00087   int m_socket;
00088   char m_buffer[BUFSIZ];
00089 
00090   Parser m_parser;
00091   Queue m_sendQueue;
00092   unsigned m_sendLength;
00093   Sessions m_sessions;
00094   Session* m_pSession;
00095   SocketMonitor* m_pMonitor;
00096   Mutex m_mutex;
00097   fd_set m_fds;
00098 };
00099 }
00100 
00101 #endif //FIX_SOCKETCONNECTION_H

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