internaltransport.hxx

一个著名的SIP协议栈

#if !defined(RESIP_INTERNAL_TRANSPORT_HXX)
#define RESIP_INTERNAL_TRANSPORT_HXX

#include <exception>

#include "rutil/BaseException.hxx"
#include "rutil/Data.hxx"
#include "rutil/Fifo.hxx"
#include "rutil/Socket.hxx"
#include "resip/stack/Message.hxx"
#include "resip/stack/Transport.hxx"
#include "resip/stack/Tuple.hxx"
#include "resip/stack/SendData.hxx"
#include "resip/stack/Compression.hxx"

namespace resip
{

class TransactionMessage;
class SipMessage;
class Connection;

class InternalTransport : public Transport
{
   public:
      // sendHost what to put in the Via:sent-by
      // portNum is the port to receive and/or send on
      InternalTransport(Fifo<TransactionMessage>& rxFifo, 
                        int portNum, 
                        IpVersion version,
                        const Data& interfaceObj,
                        AfterSocketCreationFuncPtr socketFunc = 0,
                        Compression &compression = Compression::Disabled);

      virtual ~InternalTransport();

      virtual bool isFinished() const;
      virtual bool hasDataToSend() const;

      virtual bool shareStackProcessAndSelect() const { return true; }
      virtual void startOwnProcessing() {}

      // shared by UDP, TCP, and TLS
      static Socket socket(TransportType type, IpVersion ipVer);
      void bind();      
      
      //used for epoll
      virtual int maxFileDescriptors() const { return 1; }
      virtual unsigned int getFifoSize() const;      
   protected:
      friend class SipStack;
      virtual void transmit(const Tuple& dest, const Data& pdata, const Data& tid, const Data& sigcompId);

      Socket mFd; // this is a unix file descriptor or a windows SOCKET
      Fifo<SendData> mTxFifo; // owned by the transport
};


}

#endif

/* ====================================================================
 * The Vovida Software License, Version 1.0 
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