150 lines
3.2 KiB
C++
150 lines
3.2 KiB
C++
/*
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Here's a small IPv4 example: it asks for a portbase and a destination and
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starts sending packets to that destination.
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*/
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#include "rtpsession.h"
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#include "rtppacket.h"
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#include "rtpudpv4transmitter.h"
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#include "rtpipv4address.h"
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#include "rtpsessionparams.h"
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#include "rtperrors.h"
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#ifndef WIN32
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#else
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#include <winsock2.h>
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#endif // WIN32
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#include <stdlib.h>
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#include <stdio.h>
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#include <iostream>
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#include <string>
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//
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// This function checks if there was a RTP error. If so, it displays an error
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// message and exists.
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//
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void checkerror(int rtperr)
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{
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if (rtperr < 0)
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{
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std::cout << "ERROR: " << RTPGetErrorString(rtperr) << std::endl;
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exit(-1);
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}
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}
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//
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// The main routine
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//
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int main(void)
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{
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#ifdef WIN32
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WSADATA dat;
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WSAStartup(MAKEWORD(2,2),&dat);
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#endif // WIN32
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RTPSession sess;
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uint16_t portbase,destport;
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uint32_t destip;
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std::string ipstr;
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int status,i,num;
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// First, we'll ask for the necessary information
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std::cout << "Enter local portbase:" << std::endl;
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std::cin >> portbase;
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std::cout << std::endl;
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std::cout << "Enter the destination IP address" << std::endl;
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std::cin >> ipstr;
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destip = inet_addr(ipstr.c_str());
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if (destip == INADDR_NONE)
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{
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std::cerr << "Bad IP address specified" << std::endl;
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return -1;
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}
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// The inet_addr function returns a value in network byte order, but
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// we need the IP address in host byte order, so we use a call to
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// ntohl
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destip = ntohl(destip);
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std::cout << "Enter the destination port" << std::endl;
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std::cin >> destport;
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std::cout << std::endl;
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std::cout << "Number of packets you wish to be sent:" << std::endl;
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std::cin >> num;
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// Now, we'll create a RTP session, set the destination, send some
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// packets and poll for incoming data.
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RTPUDPv4TransmissionParams transparams;
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RTPSessionParams sessparams;
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// IMPORTANT: The local timestamp unit MUST be set, otherwise
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// RTCP Sender Report info will be calculated wrong
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// In this case, we'll be sending 10 samples each second, so we'll
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// put the timestamp unit to (1.0/10.0)
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sessparams.SetOwnTimestampUnit(1.0/10.0);
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sessparams.SetAcceptOwnPackets(true);
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transparams.SetPortbase(portbase);
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status = sess.Create(sessparams,&transparams);
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checkerror(status);
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RTPIPv4Address addr(destip,destport);
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status = sess.AddDestination(addr);
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checkerror(status);
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for (i = 1 ; i <= num ; i++)
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{
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printf("\nSending packet %d/%d\n",i,num);
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// send the packet
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status = sess.SendPacket((void *)"1234567890",10,0,false,10);
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checkerror(status);
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sess.BeginDataAccess();
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// check incoming packets
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if (sess.GotoFirstSourceWithData())
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{
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do
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{
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RTPPacket *pack;
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while ((pack = sess.GetNextPacket()) != NULL)
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{
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// You can examine the data here
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printf("Got packet !\n");
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// we don't longer need the packet, so
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// we'll delete it
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delete pack;
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}
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} while (sess.GotoNextSourceWithData());
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}
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sess.EndDataAccess();
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#ifndef RTP_SUPPORT_THREAD
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status = sess.Poll();
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checkerror(status);
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#endif // RTP_SUPPORT_THREAD
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RTPTime::Wait(RTPTime(1,0));
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}
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sess.BYEDestroy(RTPTime(10,0),0,0);
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#ifdef WIN32
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WSACleanup();
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#endif // WIN32
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return 0;
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}
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