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# 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 "Utility.h"
    00034 #include <set>
    00035
    00036 namespace FIX
    00037 {
    00038 class SocketAcceptor;
    00039 class SocketServer;
    00040 class SocketConnector;
    00041 class SocketInitiator;
    00042 class Session;
    00043
    00045 class SocketConnection : Responder
    00046 {
    00047 public:
    00048   typedef std::set<SessionID> Sessions;
    00049
    00050   SocketConnection( int s, Sessions sessions, SocketMonitor* pMonitor );
    00051   SocketConnection( SocketInitiator&, const SessionID&, int, SocketMonitor* );
    00052   virtual ~SocketConnection();
    00053
    00054   int getSocket() const { return m_socket; }
    00055   Session* getSession() const { return m_pSession; }
    00056
    00057   bool read( SocketConnector& s );
    00058   bool read( SocketAcceptor&, SocketServer& );
    00059   bool processQueue();
    00060
    00061   void signal()
    00062   {
    00063     Locker l( m_mutex );
    00064     if( m_sendQueue.size() == 1 )
    00065       m_pMonitor->signal( m_socket );
    00066   }
    00067
    00068   void unsignal()
    00069   {
    00070     Locker l( m_mutex );
    00071     if( m_sendQueue.size() == 0 )
    00072       m_pMonitor->unsignal( m_socket );
    00073   }
    00074
    00075   void onTimeout();
    00076
    00077 private:
    00078   typedef std::deque<std::string, ALLOCATOR<std::string> >
    00079     Queue;
    00080
    00081   bool isValidSession();
    00082   void readFromSocket() throw( SocketRecvFailed );
    00083   bool readMessage( std::string& msg );
    00084   void readMessages( SocketMonitor& s );
    00085   bool send( const std::string& );
    00086   void disconnect();
    00087
    00088   int m_socket;
    00089   char m_buffer[BUFSIZ];
    00090
    00091   Parser m_parser;
    00092   Queue m_sendQueue;
    00093   unsigned m_sendLength;
    00094   Sessions m_sessions;
    00095   Session* m_pSession;
    00096   SocketMonitor* m_pMonitor;
    00097   Mutex m_mutex;
    00098   fd_set m_fds;
    00099 };
    00100 }
    00101
    00102 #endif //FIX_SOCKETCONNECTION_H