Examples with Socket org.zeromq.ZMQ.Socket used on opensource projects

Example 81 with Socket

use of org.zeromq.ZMQ.Socket in project jeromq by zeromq.

the class pathopub method main.

public static void main(String[] args) throws Exception {
    ZContext context = new ZContext();
    Socket publisher = context.createSocket(ZMQ.PUB);
    if (args.length == 1)
        publisher.connect(args[0]);
    else
        publisher.bind("tcp://*:5556");
    //  Ensure subscriber connection has time to complete
    Thread.sleep(1000);
    //  Send out all 1,000 topic messages
    int topicNbr;
    for (topicNbr = 0; topicNbr < 1000; topicNbr++) {
        publisher.send(String.format("%03d", topicNbr), ZMQ.SNDMORE);
        publisher.send("Save Roger");
    }
    //  Send one random update per second
    Random rand = new Random(System.currentTimeMillis());
    while (!Thread.currentThread().isInterrupted()) {
        Thread.sleep(1000);
        publisher.send(String.format("%03d", rand.nextInt(1000)), ZMQ.SNDMORE);
        publisher.send("Off with his head!");
    }
    context.destroy();
}

Example 82 with Socket

use of org.zeromq.ZMQ.Socket in project jeromq by zeromq.

the class flclient1 method tryRequest.

private static ZMsg tryRequest(ZContext ctx, String endpoint, ZMsg request) {
    System.out.printf("I: trying echo service at %s...\n", endpoint);
    Socket client = ctx.createSocket(ZMQ.REQ);
    client.connect(endpoint);
    //  Send request, wait safely for reply
    ZMsg msg = request.duplicate();
    msg.send(client);
    Poller poller = ctx.createPoller(1);
    poller.register(client, Poller.POLLIN);
    poller.poll(REQUEST_TIMEOUT);
    ZMsg reply = null;
    if (poller.pollin(0))
        reply = ZMsg.recvMsg(client);
    //  Close socket in any case, we're done with it now
    ctx.destroySocket(client);
    return reply;
}

Example 83 with Socket

use of org.zeromq.ZMQ.Socket in project jeromq by zeromq.

the class flserver1 method main.

public static void main(String[] args) {
    if (args.length < 1) {
        System.out.printf("I: syntax: flserver1 <endpoint>\n");
        System.exit(0);
    }
    ZContext ctx = new ZContext();
    Socket server = ctx.createSocket(ZMQ.REP);
    server.bind(args[0]);
    System.out.printf("I: echo service is ready at %s\n", args[0]);
    while (true) {
        ZMsg msg = ZMsg.recvMsg(server);
        if (msg == null)
            //  Interrupted
            break;
        msg.send(server);
    }
    if (Thread.currentThread().isInterrupted())
        System.out.printf("W: interrupted\n");
    ctx.destroy();
}

Example 84 with Socket

use of org.zeromq.ZMQ.Socket in project jeromq by zeromq.

the class lruqueue3 method run.

public void run() {
    ZContext context = new ZContext();
    //  Prepare our context and sockets
    Socket worker = context.createSocket(ZMQ.REQ);
    worker.connect("ipc://backend.ipc");
    ZFrame frame = new ZFrame(lruqueue3.LRU_READY);
    //  Tell backend we're ready for work
    frame.send(worker, 0);
    while (true) {
        ZMsg msg = ZMsg.recvMsg(worker);
        if (msg == null)
            break;
        msg.getLast().reset("OK".getBytes(ZMQ.CHARSET));
        msg.send(worker);
        System.out.println(Thread.currentThread().getName() + " Worker Sent OK");
    }
    context.destroy();
}