コード例 #1
0
static void exampleProcess(PvaClientPtr const &pva)
{
    cout << "example process\n";
    PvaClientChannelPtr channel = pva->channel("PVRdouble");
    PvaClientProcessPtr process = channel->createProcess();
    process->process();
    cout <<  channel->get("field()")->getData()->showChanged(cout) << endl;
    process->process();
    cout <<  channel->get("field()")->getData()->showChanged(cout) << endl;
}
コード例 #2
0
static void exampleProcess(PvaClientPtr const &pva)
{
    cout << "example process\n";
    PvaClientChannelPtr channel = pva->channel("PVRdouble");
    PvaClientProcessPtr process = channel->createProcess();
    try {
        process->process();
        cout <<  channel->get("field()")->getData()->showChanged(cout) << endl;
        process->process();
        cout <<  channel->get("field()")->getData()->showChanged(cout) << endl;
    } catch (std::runtime_error e) {
        cout << "exception " << e.what() << endl;
    }
}
コード例 #3
0
static void exampleDouble(PvaClientPtr const &pvaClient)
{
    testDiag("== exampleDouble ==");

    PvaClientChannelPtr pvaChannel;
    try {
        pvaChannel = pvaClient->createChannel("PVRdouble");
        pvaChannel->connect(2.0);
        testDiag("channel connected");
    } catch (std::runtime_error e) {
        testAbort("channel connection exception '%s'", e.what());
    }

    PvaClientPutPtr put;
    PvaClientPutDataPtr putData;
    try {
        put = pvaChannel->createPut();
        putData = put->getData();
        testDiag("put connected");
        if (!putData)
            testAbort("NULL data pointer from putGet");
    } catch (std::runtime_error e) {
        testAbort("put connection exception '%s'", e.what());
    }

    PvaClientGetPtr get;
    PvaClientGetDataPtr getData;
    try {
        get = pvaChannel->createGet();
        getData = get->getData();
        testDiag("get connected");
        if (!getData)
            testAbort("NULL data pointer from putGet");
    } catch (std::runtime_error e) {
        testAbort("get connection exception '%s'", e.what());
    }

    PvaClientMonitorRequesterPtr requester(new MyMonitor());
    PvaClientMonitorPtr monitor;
    expected.set(0);        // structure definition
    try {
        monitor = pvaChannel->monitor(requester);
        testDiag("monitor connected");
    } catch (std::runtime_error e) {
        testAbort("monitor connection exception '%s'", e.what());
    }
    epicsThreadSleep(0.1);  // Allow connection monitor event to fire

    expected.clear();       // FIXME: Magic numbers here...
    expected.set(1);        // value
    expected.set(6);        // timestamp

    try {
        for (int i=0; i<5; ++i) {
            testDiag("= put %d =", i);

            double out = i;
            putData->putDouble(out);
            put->put();

            get->get();
            double in = getData->getDouble();
            testOk(in == out, "get value matches put");
        }

        PvaClientProcessPtr process = pvaChannel->createProcess();
        process->connect();

        testDiag("= process =");
        expected.clear(1);  // no value change
        process->process();
    } catch (std::runtime_error e) {
        testAbort("exception '%s'", e.what());
    }
}