testexistingsockets.cpp
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#include "rtpsession.h"
#include "rtpudpv4transmitter.h"
#include "rtpipv4address.h"
#include "rtpsessionparams.h"
#include "rtperrors.h"
#include "rtplibraryversion.h"
#include "rtpsourcedata.h"
#include <stdlib.h>
#include <stdio.h>
#include <iostream>
#include <string>
using namespace jrtplib;
void checkerror(int rtperr)
{
if (rtperr < 0)
{
std::cout << "ERROR: " << RTPGetErrorString(rtperr) << std::endl;
exit(-1);
}
}
class MyRTPSession : public RTPSession
{
protected:
void OnValidatedRTPPacket(RTPSourceData *srcdat, RTPPacket *rtppack, bool isonprobation, bool *ispackethandled)
{
printf("Got packet in OnValidatedRTPPacket from source 0x%04x!\n", srcdat->GetSSRC());
DeletePacket(rtppack);
*ispackethandled = true;
}
void OnRTCPSDESItem(RTPSourceData *srcdat, RTCPSDESPacket::ItemType t, const void *itemdata, size_t itemlength)
{
char msg[1024];
memset(msg, 0, sizeof(msg));
if (itemlength >= sizeof(msg))
itemlength = sizeof(msg)-1;
memcpy(msg, itemdata, itemlength);
printf("Received SDES item (%d): %s", (int)t, msg);
}
};
int GetASocket()
{
SocketType sock = socket(AF_INET, SOCK_DGRAM, 0);
//int sock = socket(AF_INET, SOCK_STREAM, 0); // test with a TCP socket
struct sockaddr_in addr;
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
bind(sock, (struct sockaddr*)&addr, sizeof(addr));
return sock;
}
int main(void)
{
#ifdef RTP_SOCKETTYPE_WINSOCK
WSADATA dat;
WSAStartup(MAKEWORD(2,2),&dat);
#endif // RTP_SOCKETTYPE_WINSOCK
MyRTPSession sess;
uint32_t destip;
std::string ipstr;
int status,i,num;
std::cout << "Using version " << RTPLibraryVersion::GetVersion().GetVersionString() << std::endl;
// First, we'll ask for the necessary information
ipstr = "127.0.0.1";
destip = inet_addr(ipstr.c_str());
if (destip == INADDR_NONE)
{
std::cerr << "Bad IP address specified" << std::endl;
return -1;
}
// The inet_addr function returns a value in network byte order, but
// we need the IP address in host byte order, so we use a call to
// ntohl
destip = ntohl(destip);
num = 10;
// Now, we'll create a RTP session, set the destination, send some
// packets and poll for incoming data.
RTPUDPv4TransmissionParams transparams;
RTPSessionParams sessparams;
// IMPORTANT: The local timestamp unit MUST be set, otherwise
// RTCP Sender Report info will be calculated wrong
// In this case, we'll be sending 10 samples each second, so we'll
// put the timestamp unit to (1.0/10.0)
sessparams.SetOwnTimestampUnit(1.0/10.0);
sessparams.SetAcceptOwnPackets(true);
int rtpsock = GetASocket();
//int rtcpsock = rtpsock;
int rtcpsock = GetASocket();
transparams.SetUseExistingSockets(rtpsock, rtcpsock);
status = sess.Create(sessparams,&transparams);
checkerror(status);
RTPUDPv4TransmissionInfo *pInf = (RTPUDPv4TransmissionInfo *)sess.GetTransmissionInfo();
uint16_t rtpPort = pInf->GetRTPPort();
uint16_t rtcpPort = pInf->GetRTCPPort();
printf("Using RTP port %d and RTCP port %d\n", (int)rtpPort, (int)rtcpPort);
// We're assuming that the destination is also using RTCP multiplexing
// ('true' means that the same port will be used for RTCP)
RTPIPv4Address addr(destip,rtpPort,rtcpPort);
status = sess.AddDestination(addr);
checkerror(status);
for (i = 1 ; i <= num ; i++)
{
printf("\nSending packet %d/%d\n",i,num);
// send the packet
status = sess.SendPacket((void *)"1234567890",10,0,false,10);
checkerror(status);
#ifndef RTP_SUPPORT_THREAD
status = sess.Poll();
checkerror(status);
#endif // RTP_SUPPORT_THREAD
RTPTime::Wait(RTPTime(1,0));
}
sess.BYEDestroy(RTPTime(10,0),0,0);
#ifdef RTP_SOCKETTYPE_WINSOCK
WSACleanup();
#endif // RTP_SOCKETTYPE_WINSOCK
return 0;
}