tcpbasetransport.hxx

一个著名的SIP协议栈

#if !defined(RESIP_TCPBASETRANSPORT_HXX)
#define RESIP_TCPBASETRANSPORT_HXX

#include "resip/stack/InternalTransport.hxx"
#include "resip/stack/ConnectionManager.hxx"
#include "resip/stack/Compression.hxx"

namespace resip
{

class TransactionMessage;

class TcpBaseTransport : public InternalTransport
{
   public:
      enum  {MaxFileDescriptors = 100000};

     TcpBaseTransport(Fifo<TransactionMessage>& fifo, int portNum,  IpVersion version, const Data& interfaceName, Compression &compression);
      virtual  ~TcpBaseTransport();
      
      virtual void process(FdSet& fdset);
      virtual void buildFdSet( FdSet& fdset);
      virtual bool isReliable() const { return true; }
      virtual bool isDatagram() const { return false; }
      virtual int maxFileDescriptors() const { return MaxFileDescriptors; }

      ConnectionManager& getConnectionManager() {return mConnectionManager;}
      const ConnectionManager& getConnectionManager() const {return mConnectionManager;}

   protected:
      virtual Connection* createConnection(Tuple& who, Socket fd, bool server=false)=0;
      
      void processSomeWrites(FdSet& fdset);
      void processSomeReads(FdSet& fdset);
      
      /** Forms a connection if one doesn't exist, moves requests to the
      appropriate connection's fifo.
      */
      void processAllWriteRequests(FdSet& fdset);
      void sendFromRoundRobin(FdSet& fdset);
      void processListen(FdSet& fdSet);

      static const size_t MaxWriteSize;
      static const size_t MaxReadSize;

   private:
      static const int MaxBufferSize;
      ConnectionManager mConnectionManager;
};

}

#endif

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