C++ PacketsPattern类代码示例

    int
    doTest() {
        ExtZrtpSession rx(pattern.getSsrc()+1, pattern.getReceiverAddress(), pattern.getReceiverPort());

        rx.initialize("test_r.zid");

        rx.setSchedulingTimeout(10000);
        rx.setExpireTimeout(1000000);

        rx.startRunning();
        rx.setPayloadFormat(StaticPayloadFormat(sptPCMU));
        // arbitrary number of loops to provide time to start transmitter
        if (!rx.addDestination(pattern.getSenderAddress(), pattern.getSenderPort()) ) {
            return 1;
        }
        rx.startZrtp();
        for ( int i = 0; i < 5000 ; i++ ) {
            const AppDataUnit* adu;
            while ( (adu = rx.getData(rx.getFirstTimestamp())) ) {
                cerr << "got some data: " << adu->getData() << endl;
                if (*adu->getData() == 'e') {
                    delete adu;
                    return 0;
                }
                delete adu;
            }
            Thread::sleep(70);
        }
        return 0;
    }

    int doTest()
    {
        // should be valid?
        //RTPSession tx();
        RTPSession tx(InetHostAddress("localhost"));
        tx.setSchedulingTimeout(10000);
        tx.setExpireTimeout(1000000);

        tx.startRunning();

        tx.setPayloadFormat(StaticPayloadFormat(sptPCMU));
        if ( !tx.addDestination(pattern.getDestinationAddress(),
                    pattern.getDestinationPort()) ) {
            return 1;
        }

        // 50 packets per second (packet duration of 20ms)
        uint32 period = 20;
        uint16 inc = tx.getCurrentRTPClockRate()/50;
        TimerPort::setTimer(period);
        for ( uint32 i = 0; i < pattern.getPacketsNumber(); i++ ) {
            tx.putData(i*inc, pattern.getPacketData(i), pattern.getPacketSize(i));
            Thread::sleep(TimerPort::getTimer());
            TimerPort::incTimer(period);
        }
        return 0;
    }

    int doTest() {
        // should be valid?
        //RTPSession tx();
        // Initialize with local address and Local port is detination port +2 - keep RTP/RTCP port pairs
        ExtZrtpSession tx(pattern.getSsrc(), pattern.getSenderAddress(), pattern.getSenderPort());
        tx.initialize("test_t.zid");

        tx.setSchedulingTimeout(10000);
        tx.setExpireTimeout(1000000);

        tx.startRunning();

        tx.setPayloadFormat(StaticPayloadFormat(sptPCMU));
        if (!tx.addDestination(pattern.getReceiverAddress(), pattern.getReceiverPort()) ) {
            return 1;
        }
        tx.startZrtp();
        // 2 packets per second (packet duration of 500ms)
        uint32 period = 500;
        uint16 inc = tx.getCurrentRTPClockRate()/2;
        TimerPort::setTimer(period);
        uint32 i;
        for (i = 0; i < pattern.getPacketsNumber(); i++ ) {
            tx.putData(i*inc,
                       pattern.getPacketData(i),
                       pattern.getPacketSize(i));
            cout << "Sent some data: " << i << endl;
            Thread::sleep(TimerPort::getTimer());
            TimerPort::incTimer(period);
        }
        tx.putData(i*inc, (unsigned char*)"exit", 5);
        Thread::sleep(200);
        return 0;
    }

int main(int argc, char *argv[])
{
    int result = 0;
    bool send = false;
    bool recv = false;

    char c;

    /* check args */
    while (1) {
        c = getopt(argc, argv, "rsR:S:");
        if (c == -1) {
            break;
        }
        switch (c) {
        case 'r':
            recv = true;
            break;
        case 's':
            send = true;
            break;
        case 'R':
            pattern.setReceiverAddress(new InetHostAddress(optarg));
            break;
        case 'S':
            pattern.setSenderAddress(new InetHostAddress(optarg));
            break;
        default:
            cerr << "Wrong Arguments, only -s and -r are accepted" << endl;
        }
    }

    if (send || recv) {
        if (send) {
            cout << "Running as sender" << endl;
        }
        else {
            cout << "Running as receiver" << endl;
        }
    }
    else {
        cerr << "No send or receive argument specificied" << endl;
        exit(1);
    }

    // accept as parameter if must run as --send or --recv

#if 0
     RecvPacketTransmissionTest *rx;
     SendPacketTransmissionTest *tx;

    // run several tests in parallel threads
    if ( send ) {
        tx = new SendPacketTransmissionTest();
        tx->start();
        tx->join();
    } else if ( recv ) {
        rx = new RecvPacketTransmissionTest();
        rx->start();
        rx->join();
    }
//#endif
//#if 0
    ZrtpRecvPacketTransmissionTest *zrx;
    ZrtpSendPacketTransmissionTest *ztx;

    if ( send ) {
        ztx = new ZrtpSendPacketTransmissionTest();
        ztx->start();
        ztx->join();
    } else if ( recv ) {
        zrx = new ZrtpRecvPacketTransmissionTest();
        zrx->start();
        zrx->join();
    }
#endif
    ZrtpRecvPacketTransmissionTestCB *zrxcb;
    ZrtpSendPacketTransmissionTestCB *ztxcb;

    if ( send ) {
        ztxcb = new ZrtpSendPacketTransmissionTestCB();
        ztxcb->start();
        ztxcb->join();
    } else if ( recv ) {
        zrxcb = new ZrtpRecvPacketTransmissionTestCB();
        zrxcb->start();
        zrxcb->join();
    }

    exit(result);
}