udptransport.hxx

这是国外的resip协议栈

#if !defined(RESIP_UDPTRANSPORT_HXX)
#define RESIP_UDPTRANSPORT_HXX

#include "resip/stack/InternalTransport.hxx"
#include "resip/stack/MsgHeaderScanner.hxx"
#include "rutil/HeapInstanceCounter.hxx"
#include "resip/stack/Compression.hxx"

namespace osc { class Stack; }

namespace resip
{

class UdpTransport : public InternalTransport
{
   public:
      RESIP_HeapCount(UdpTransport);
      // Specify which udp port to use for send and receive
      // interface can be an ip address or dns name. If it is an ip address,
      // only bind to that interface.
      UdpTransport(Fifo<TransactionMessage>& fifo,
                   int portNum,
                   IpVersion version,
                   StunSetting stun,
                   const Data& interfaceObj,
                   AfterSocketCreationFuncPtr socketFunc = 0,
                   Compression &compression = Compression::Disabled);
      virtual  ~UdpTransport();

      void process(FdSet& fdset);
      bool isReliable() const { return false; }
      bool isDatagram() const { return true; }
      TransportType transport() const { return UDP; }
      virtual void buildFdSet( FdSet& fdset);

      static const int MaxBufferSize = 8192;

	  // STUN client functionality
	  bool stunSendTest(const Tuple& dest);
	  bool stunResult(Tuple& mappedAddress); 
   protected:

      osc::Stack *mSigcompStack;

   private:
      MsgHeaderScanner mMsgHeaderScanner;
	  mutable resip::Mutex  myMutex;
	  Tuple mStunMappedAddress;
	  bool mStunSuccess;
};

}

#endif

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