maxUdpPlaying.cxx
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上传日期:2013-07-25
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- /* ====================================================================
- * The Vovida Software License, Version 1.0
- *
- * Copyright (c) 2000 Vovida Networks, Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The names "VOCAL", "Vovida Open Communication Application Library",
- * and "Vovida Open Communication Application Library (VOCAL)" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact vocal@vovida.org.
- *
- * 4. Products derived from this software may not be called "VOCAL", nor
- * may "VOCAL" appear in their name, without prior written
- * permission of Vovida Networks, Inc.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
- * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL VOVIDA
- * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
- * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * ====================================================================
- *
- * This software consists of voluntary contributions made by Vovida
- * Networks, Inc. and many individuals on behalf of Vovida Networks,
- * Inc. For more information on Vovida Networks, Inc., please see
- * <http://www.vovida.org/>.
- *
- */
- static const char* const maxPlaying_cxx_Version =
- "$Id: maxUdpPlaying.cxx,v 1.5 2001/05/13 08:33:20 icahoon Exp $";
- // for only sending out packets
- #include <stdlib.h>
- #include <time.h>
- #include <unistd.h>
- #include <fstream>
- #include <stdio.h>
- #include "cpLog.h"
- #include "rtpTypes.h"
- #include "RtpSession.hxx"
- #include "TimeTracker.hxx"
- #include "UdpStack.hxx"
- int main (int argc, char *argv[])
- {
- //cpLogSetPriority( LOG_DEBUG_STACK );
- // allocate and initialize default configuration values
- // note, you may need to create two executable, each with the
- // others address info
- char rmtHost[256] = "vvs-tabletennis";
- int max_sessions = 100;
- int rmtPort = 7000;
- int lclPort = 5000;
- int apSize = 40;
- int npSize = 40;
- int numPkts = 10000;
- TimeTracker T(cerr);
- if (argc == 1)
- {
- cout << "Usage: ./maxRtpSessions host sessions rmt_start_port lcl_start_port num_packets" << endl;
- return 0;
- }
- else if (argc == 6)
- {
- strcpy( rmtHost, argv[1] );
- max_sessions = atoi( argv[2] );
- rmtPort = atoi( argv[3] );
- lclPort = atoi( argv[4] );
- numPkts = atoi( argv[5] );
- }
- else
- {
- printf("Enter remote hostname: ");
- scanf ("%s", rmtHost);
- printf("Enter number of the max rtp sessions: ");
- scanf ("%d", &max_sessions);
- printf("Enter remote port number: ");
- scanf ("%d", &rmtPort);
- printf("Enter local port number: ");
- scanf ("%d", &lclPort);
- printf("Enter number of packets sending or receiving: ");
- scanf ("%d", &numPkts);
- }
- pid_t pid;
- for (int j=0; j < max_sessions; j++)
- {
- // sleep(1);
- if ((pid = fork()) < 0)
- {
- cerr << "Fork failed." << endl;
- return -1;
- }
- else if (pid == 0)
- {
- cout << "Get pid is: " << getpid() <<endl;
- cout << "Creating rtp session " << j << " for "<< numPkts << " packets" << endl;
- //NetworkAddress* netAddressPtr = 0;
- //string rHostName = rmtHost;
- //NetworkAddress netAddress(rmtPort + 2*j);
- //netAddressPtr = &netAddress;
- //netAddressPtr->setHostName(rHostName);
- string rmtHostString = rmtHost;
- NetworkAddress dest( rmtHostString, rmtPort+2*j );
- UdpStack* stack = new UdpStack ( &dest, lclPort+2*j, lclPort+2*j, sendrecv );
- stack->connectPorts();
- UdpStack* stack1 = new UdpStack ( &dest, lclPort+2*j+1, lclPort+2*j+1, sendrecv );
- stack1->connectPorts();
- //UdpStack* stack1 = new UdpStack ( NULL, lclPort + 2*j+1 );
- //UdpStack* stack2 = new UdpStack ( netAddressPtr, rmtPort + 2*j );
- //UdpStack* stack3 = new UdpStack ( netAddressPtr, rmtPort + 2*j+1 );
- //rmtPort + 2*j, lclPort + 2*j );
- //rmtPort + 2*j + 1, lclPort + 2*j + 1,
- //rtpPayloadPCMU, rtpPayloadPCMU, 5);
-
- char outPacketBuf[480];
- struct timeval t1, t2;
-
- memset(outPacketBuf, 0, 480);
- strncpy (outPacketBuf, "data", 5);
-
- //stack->setApiFormat (rtpPayloadPCMU, apSize);
- //stack->setNetworkFormat (rtpPayloadPCMU, npSize);
-
- int i=0;
- long long delta;
- int sleeptime = 16;
- gettimeofday(&t1, 0);
- T.startTime();
- while (i < numPkts)
- {
- outPacketBuf[0] = i;
- stack->transmit( outPacketBuf, 480 );
- i++;
-
- /*
- // send and receive RTCP packet
- if (stack->checkIntervalRTCP())
- {
- stack->transmitRTCP();
- }
- if (stack->receiveRTCP() == 0 )
- {
- }
- */
- if (sleeptime > 0)
- {
- usleep (sleeptime * 1000); // 20 msec
- // cerr << "sleeptime = " << sleeptime << endl;
- }
- else
- {
- // cerr << "no sleep" << endl;
- }
- gettimeofday(&t2, 0);
- delta = ((t2.tv_sec - t1.tv_sec) * 1000000 +
- (t2.tv_usec - t1.tv_usec))/1000;
- sleeptime = (i+1)*20 - delta;
- if (i == (numPkts-2)) sleeptime=0;
-
-
- /*
- gettimeofday(&t2, 0);
- delta = ((t2.tv_sec - t1.tv_sec) * 1000 +
- (t2.tv_usec/1000 - t1.tv_usec/1000));
- x = deta/20 - i;
- for (int k = 0; k < x; k++)
- {
- // to Catch up the packets sending due to usleep drifting
- stack->transmitRaw (outBufferPkt, 160);
- i++;
- cerr << "c" ;
- }
- cerr << endl;
- */
-
- }
-
- T.endTime();
- sleep (9);
- //stack->transmitRTCPBYE();
- outPacketBuf[10] = 127;
- stack->transmit( outPacketBuf, 480 );
- cout << "End rtp session " << j << endl;
- return 3;
- }
- }
- return 0;
- }