/******************************************************************************
* FILE:	RtpApp2.h
* Description:
*	Audio rtp session interface class.
*
* Modified Code History
* Mark  Date        By          Modification Reason
*******************************************************************************
* 01    2010-10-3   songxw Initial creation.
******************************************************************************/

#if !defined(__RTP_APP2_H__)
#define __RTP_APP2_H__

using namespace std;

#include "TypeDef.h"
#include "rtpsession.h"
#include "rtpudpv4transmitter.h"
#include "rtpsessionparams.h"
#include "rtpipv4address.h"
#include "str.h"

using namespace jrtplib;

/* Interface class of jrtplib module */
class CRtpApp2 : public RTPSession
{
public:
	CRtpApp2();
	~CRtpApp2();

	int		CreateSession(UINT16 ListenPort, UINT32 nSsrc = 0, bool usethread = true);          //RTP´´½¨
	void	RtpDestroy();                              //RTPÏú»Ù

	void	SetTsunit(double ts) {tsunit = ts;}
	double	GetTsunit(void) {return tsunit;};

	//Set and send out nat mapping packet
	int NatMappingControl(char IpStr[], UINT16 port, int SSId);

  	RTPUDPv4TransmissionParams TransParams;
  	RTPSessionParams           SessParams;
  	
  	bool bSendTo;

protected:
	void OnPollThreadStep();

	//Send a packet to traverse NAT
	void SendNatMappingPacket(void);
	
	//NAT packet time interval
	time_t SendTimeForNAT;

private:
	virtual void CBRtpRecv2();                          //RTP½ÓÊÕ±¨ÎÄ
	
	double	tsunit;                                    //ʱ¼ä´Á
	
	//Running time
	struct timeval RunTime;
	
	//Sequence number for a packet of traversing NAT
	UINT16 SeqNum;
	
	//Session ID for a call
	int    SessionID;
};

#endif	//#if !defined(__RTP_APP2_H__)