Examples with ZFrame org.zeromq.ZFrame used on opensource projects

Example 26 with ZFrame

use of org.zeromq.ZFrame in project jeromq by zeromq.

the class mdbroker method sendToWorker.

/**
     * Send message to worker. If message is provided, sends that message. Does
     * not destroy the message, this is the caller's job.
     */
public void sendToWorker(Worker worker, MDP command, String option, ZMsg msgp) {
    ZMsg msg = msgp == null ? new ZMsg() : msgp.duplicate();
    // Stack protocol envelope to start of message
    if (option != null)
        msg.addFirst(new ZFrame(option));
    msg.addFirst(command.newFrame());
    msg.addFirst(MDP.W_WORKER.newFrame());
    // Stack routing envelope to start of message
    msg.wrap(worker.address.duplicate());
    if (verbose) {
        log.format("I: sending %s to worker\n", command);
        msg.dump(log.out());
    }
    msg.send(socket);
}

Example 27 with ZFrame

use of org.zeromq.ZFrame 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();
}