Connection.hxx

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#ifndef RESIP_Connection_hxx
#define RESIP_Connection_hxx

#include <list>

#include "resip/stack/ConnectionBase.hxx"
//#include "rutil/Fifo.hxx"
#include "rutil/Socket.hxx"
#include "rutil/FdPoll.hxx"
#include "rutil/Timer.hxx"
#include "resip/stack/Transport.hxx"
#include "resip/stack/MsgHeaderScanner.hxx"
#include "rutil/IntrusiveListElement.hxx"

namespace resip
{

class Message;
class TlsConnection;
class ConnectionManager;
class Connection;
class Compression;

typedef IntrusiveListElement<Connection*> ConnectionLruList;
typedef IntrusiveListElement1<Connection*> ConnectionReadList;
typedef IntrusiveListElement2<Connection*> ConnectionWriteList;
typedef IntrusiveListElement3<Connection*> FlowTimerLruList;

class Connection : public ConnectionBase, 
                   public ConnectionLruList, 
                   public ConnectionReadList, 
                   public ConnectionWriteList, 
                   public FlowTimerLruList, 
                   public FdPollItemIf
{
      friend class ConnectionManager;
      friend EncodeStream& operator<<(EncodeStream& strm, const resip::Connection& c);

   public:
      Connection(Transport* transport,const Tuple& who, Socket socket, Compression &compression);
      virtual ~Connection();
      
      Socket getSocket() const {return mWho.mFlowKey;}

      virtual bool hasDataToRead();
      virtual bool isGood(); 
      virtual bool isWritable();
      virtual bool transportWrite(){return false;}

      void requestWrite(SendData* sendData);

      int performWrite();

      bool performWrites(unsigned int max=0);

      void ensureWritable();

      int read();

      bool performReads(unsigned int max=0);

      void enableFlowTimer();
      bool isFlowTimerEnabled() { return mFlowTimerEnabled; }

      bool mRequestPostConnectSocketFuncCall;
      static volatile bool mEnablePostConnectSocketFuncCall;
      static void setEnablePostConnectSocketFuncCall(bool enabled = true) { mEnablePostConnectSocketFuncCall = enabled; }

   protected:
      virtual int read(char* /* buffer */, const int /* count */) { return 0; }
      virtual int write(const char* /* buffer */, const int /* count */) { return 0; }
      virtual void onDoubleCRLF();
      virtual void onSingleCRLF();

      /* callback method of FdPollItemIf */
      virtual void processPollEvent(FdPollEventMask mask);

   private:
      ConnectionManager& getConnectionManager() const;
      void removeFrontOutstandingSend();
      bool mInWritable;
      bool mFlowTimerEnabled;
      FdPollItemHandle mPollItemHandle;
      
      Connection();

      Connection(const Connection&);
      Connection& operator=(const Connection&);
};

EncodeStream& 
operator<<(EncodeStream& strm, const resip::Connection& c);

}

#endif
/* ====================================================================
 * The Vovida Software License, Version 1.0 
 * 
 * Copyright (c) 2000
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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