Esempio n. 1
0
/**
 * @details
 * Tests two chunkers, starting them multiple times (test for random segfaults
 * and threading problems).
 */
void DirectStreamDataClientTest::test_twoChunkersMultipleStarts()
{
    for (int i = 0; i < 100; ++i) {
        //std::cout << "---------------------------------- " << i << std::endl;
        try {
            // Start two telescope emulators.
            EmulatorDriver emulator1(new RealUdpEmulator(*_emulatorConfig1));
            EmulatorDriver emulator2(new RealUdpEmulator(*_emulatorConfig2));

            // Create the adapter factory.
            AbstractAdapterFactory adapterFactory(_config,
                    "pipeline", "adapters");

            // Create the data client factory.
            DataClientFactory clientFactory(_config, "pipeline",
                    "clients", &adapterFactory);

            // Create the data blob factory.
            FactoryGeneric<DataBlob> blobFactory(true);

            // Create a list of data requirements.
            QString dataType = "DoubleData";
            DataRequirements req;
            QList<DataRequirements> requirements;
            req.addStreamData(dataType);
            requirements.append(req);

            // Create the client.
            DirectStreamDataClient* client = static_cast<DirectStreamDataClient*>(
                    clientFactory.create("DirectStreamDataClient", requirements));
            CPPUNIT_ASSERT(DataClientFactory::whatIs(client) == "DirectStreamDataClient");
            client->addStreamChunker("TestUdpChunker", "a");
            client->addStreamChunker("TestUdpChunker", "b");

            // Set up the data hash.
            QHash<QString, DataBlob*> dataHash;
            dataHash.insert(dataType, blobFactory.create(dataType));

            for (int j = 0; j < 2; j++) {
                // Get the data.
                QHash<QString, DataBlob*> validData = client->getData(dataHash);

                // Check the content of the data blob.
                DoubleData* data = (DoubleData*)validData.value("DoubleData");
                _printData(data);
            }
        }
        catch (QString e) {
            CPPUNIT_FAIL("Unexpected exception: " + e.toStdString());
        }
    }
}
Esempio n. 2
0
void PelicanServerClientTestMT::test_getData()
{
    try{
    // set up the test server
    TestServiceAdapter serviceAdapter;
    TestStreamAdapter streamAdapter;
    TestServer server;
    QString stream1("stream1");
    QString service1("service1");
    QString version1("version1");
    QString version2("version2");
    DataRequirements reqStream1;
    reqStream1.addStreamData(stream1);
    QByteArray data1("pelican/data1");
    QByteArray data2("pelican/data2");
    unsigned int port = server.port();

    // common client configuration
    Config config;
    config.setFromString(
        "",
        "<testconfig>"
        "   <server host=\"127.0.0.1\"/>"
        "</testconfig>"
    );
    Config::TreeAddress address;
    address << Config::NodeId("server", "");
    address << Config::NodeId("testconfig", "");
    ConfigNode configNode = config.get(address);
    {
        // Use Case:
        // request for Service Data only
        // Expect :
        // throw
        DataChunk sd(service1, version1, data1 );
        CPPUNIT_ASSERT_EQUAL( (long)data1.size(), (long)sd.size() );

        // setup the test
        DataRequirements req;
        req.addServiceData(service1);
        QList<DataRequirements> lreq;
        lreq.append(req);
        DataTypes dt;
        dt.addData(lreq);
        dt.setAdapter(service1, &serviceAdapter);
        PelicanServerClient client(configNode, dt, 0);
        client.setPort(port);

        QHash<QString, DataBlob*> dataHash;
        DataBlob db("DataBlob");
        dataHash.insert(service1, &db);
        CPPUNIT_ASSERT_THROW( client.getData(dataHash), QString );
    }
    {
        // Use Case:
        // Single Request for an existing stream dataset
        // no service data
        // Expect:
        // return the required data stream
        StreamData sd(stream1, version1, data1 );
        CPPUNIT_ASSERT_EQUAL( (long)data1.size(), (long)sd.size() );
        server.serveStreamData(sd);

        // setup the test
        QList<DataRequirements> lreq;
        lreq.append(reqStream1);
        DataTypes dt;
        dt.addData(lreq);
        dt.setAdapter(stream1, &streamAdapter);
        PelicanServerClient client(configNode, dt, 0);
        client.setPort(port);

        QHash<QString, DataBlob*> dataHash;
        TestDataBlob db;
        dataHash.insert(stream1, &db);
        client.getData(dataHash);
        CPPUNIT_ASSERT_EQUAL(version1.toStdString(), db.version().toStdString() );
        CPPUNIT_ASSERT_EQUAL( std::string(data1.data()), std::string(db.data()) );
    }
    {
        // Use Case:
        // Single Request for an existing stream dataset
        // with existing service data
        // Expect:
        // return the required data stream
        DataChunk servd(service1, version2, data2 );
        server.serveServiceData(servd);
        StreamData sd(stream1, version1, data1 );
        CPPUNIT_ASSERT_EQUAL( (long)data1.size(), (long)sd.size() );
        server.serveStreamData(sd);

        // setup the test
        DataRequirements req;
        req.addServiceData(service1);
        req.addStreamData(stream1);
        QList<DataRequirements> lreq;
        lreq.append(req);
        DataTypes dt;
        dt.addData(lreq);
        dt.setAdapter(stream1, &streamAdapter);
        dt.setAdapter(service1, &serviceAdapter);
        PelicanServerClient client(configNode, dt, 0);
        client.setPort(port);

        QHash<QString, DataBlob*> dataHash;
        TestDataBlob db;
        TestDataBlob db_service;
        dataHash.insert(stream1, &db);
        dataHash.insert(service1, &db_service);
        client.getData(dataHash);
        CPPUNIT_ASSERT_EQUAL( version1.toStdString(), db.version().toStdString() );
        CPPUNIT_ASSERT_EQUAL( version2.toStdString(), db_service.version().toStdString() );
        CPPUNIT_ASSERT_EQUAL( std::string(data2.data()), std::string(db_service.data()) );
        CPPUNIT_ASSERT_EQUAL( std::string(data1.data()), std::string(db.data()) );
    }
    }
    catch(const QString& e)
    {
        std::cerr << "error: uncaught exception" << e.toStdString();
        throw e;
    }
}
Esempio n. 3
0
int main(int argc, char** argv)
{
    try {
    QCoreApplication app(argc, argv);

    // Get command line arguments.
    if (argc != 5) {
        std::cerr << "Usage: directClient <port> <host> <chunk size, bytes> <iterations>" << std::endl;
        return 1;
    }

    int port = atoi(argv[1]);
    QString host(argv[2]);
    int chunkSize = atoi(argv[3]);
    int iterations = atoi(argv[4]);

    QString pipelineXml = ""
            "<buffers>"
            "   <DoubleData>"
            "       <buffer maxSize=\"2000000\" maxChunkSize=\"2000000\"/>"
            "   </DoubleData>"
            "</buffers>"
            "<chunkers>"
            "    <TestUdpChunker name=\"a\">"
            "       <connection host=\"" + host + "\" port=\"" + QString::number(port) + "\"/>"
            "       <data type=\"DoubleData\" chunkSize=\"" + QString::number(chunkSize) + "\"/>"
            "    </TestUdpChunker>"
            "</chunkers>"
            "<clients>"
            "    <DirectStreamDataClient>"
            "        <data type=\"DoubleData\" adapter=\"AdapterRealData\"/>"
            "    </DirectStreamDataClient>"
            "</clients>"
            "<adapters>"
            "</adapters>";
    Config config;
    config.setFromString(pipelineXml);

    // Create the adapter factory.
    AbstractAdapterFactory adapterFactory(&config, "pipeline", "adapters");

    // Create the data client factory.
    DataClientFactory clientFactory(&config, "pipeline", "clients", &adapterFactory);

    // Create the data blob factory.
    //FactoryGeneric<DataBlob> blobFactory;

    // Create a list of data requirements.
    QString dataType = "DoubleData";
    DataRequirements req;
    QList<DataRequirements> requirements;
    req.addStreamData(dataType);
    requirements.append(req);

    // Create the client.
    DirectStreamDataClient* client = static_cast<DirectStreamDataClient*>(
            clientFactory.create("DirectStreamDataClient", requirements));
    client->addStreamChunker("TestUdpChunker", "a");

    // Set up the data hash.
    //QHash<QString, DataBlob*> dataHash;
    //dataHash.insert(dataType, blobFactory.create(dataType));

    // Initialise loop counter.
    QTime timer;
    timer.start();
    int counter = 0;
    double initValue = 0, value = 0;
    for (counter = 0; counter < iterations; counter++) {
        // Get the data.
//        QHash<QString, DataBlob*> validData = client->getData(dataHash);

        // Check the content of the data blob.
//        DoubleData* realData = (DoubleData*)validData.value(dataType);
//        //printData(realData);
//        value = realData->ptr()[0];
//        if (counter == 0)
//            initValue = value;
    }

    // Check for lost packets.
    double dataRange = value - initValue;
    double lostPackets = dataRange + 1 - iterations;

    // Compute bandwidth.
    double sec = (double)timer.elapsed() / 1e3;
    long double megaBytesReceived = (long double)chunkSize * iterations / (1024 * 1024);

    // Print summary.
    std::cout << "---------------------------------------------------------\n";
    std::cout << "Data range " << dataRange << " over " << iterations
            << " iterations. (Missed " << lostPackets << " packets.)\n";
    std::cout << "Received " << megaBytesReceived << " MiB in "
            << sec << " seconds.\n";
    std::cout << "Bandwidth: " << ((megaBytesReceived * 8) / sec)
            << " Mb/sec" << std::endl;
    std::cout << "---------------------------------------------------------\n";

    } catch (QString error) {
        std::cerr << error.toStdString() << std::endl;
    }

    return 0;
}