Package org.zeromq

Examples of org.zeromq.ZMsg.send()

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            LBBroker arg = (LBBroker)arg_;
            ZMsg msg = ZMsg.recvMsg (arg.frontend);
            if (msg != null) {
                msg.wrap(arg.workers.poll());
                msg.send(arg.backend);

                //  Cancel reader on frontend if we went from 1 to 0 workers
                if (arg.workers.size() == 0) {
                    loop.removePoller (new PollItem (arg.frontend, 0));
                }
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                //  Forward message to client if it's not a READY
                ZFrame frame = msg.getFirst();
                if (Arrays.equals (frame.getData(), WORKER_READY))
                    msg.destroy();
                else
                    msg.send(arg.frontend);
            }
            return 0;
        }
    }
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            try {
                final StatsEMsgBuilder msg = events.take();
                final ZMsg zmsg = makeZMsg();
                zmsg.addString(msg.getHeader());
                zmsg.addString(msg.getBody());
                zmsg.send(publisher);
            } catch (InterruptedException e) {
                LOG.warn("StatsE sender interrupted.");
            } catch (Throwable t) {
                LOG.error("Internal StatsE/ZMQ error", t);
                stopZeroMQ();
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  private void doFlush(final Promise<Void> onComplete) {
    ZMsg msg = MSG_UPD.get(ZeroMQNetChannel.this);
    MSG_UPD.compareAndSet(ZeroMQNetChannel.this, msg, null);
    if (null != msg) {
      boolean success = msg.send(socket);
      if (null != onComplete) {
        if (success) {
          onComplete.onNext((Void) null);
        } else {
          onComplete.onError(new RuntimeException("ZeroMQ Message could not be sent"));
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                    if (msg == null)
                        break; // Interrupted
                    ZFrame address = msg.pop();
                    address.destroy();
                    msg.addFirst(new ZFrame("W"));
                    msg.send(backend);
                }
                if (items.pollin(1)) {
                    ZMsg msg = ZMsg.recvMsg(backend);
                    if (msg == null)
                        break; // Interrupted
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                    if (msg == null)
                        break; // Interrupted
                    ZFrame address = msg.pop();
                    address.destroy();
                    msg.addFirst(new ZFrame("C"));
                    msg.send(frontend);
                }
            }
            ctx.destroy();
        }
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            Socket worker = ctx.createSocket(ZMQ.DEALER);
            worker.setIdentity("W".getBytes());
            worker.connect("tcp://localhost:5556");
            while (!Thread.currentThread().isInterrupted()) {
                ZMsg msg = ZMsg.recvMsg(worker);
                msg.send(worker);
            }

            ctx.destroy();

        }
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            start = System.currentTimeMillis();

            for (requests = 0; requests < SAMPLE_SIZE; requests++) {
                ZMsg req = new ZMsg();
                req.addString("hello");
                req.send(client);
                ZMsg.recvMsg(client).destroy();
            }

            System.out.printf(" %d calls/second\n",
                    (1000 * SAMPLE_SIZE) / (System.currentTimeMillis() - start));
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            start = System.currentTimeMillis();

            for (requests = 0; requests < SAMPLE_SIZE; requests++) {
                ZMsg req = new ZMsg();
                req.addString("hello");
                req.send(client);
            }
            for (requests = 0; requests < SAMPLE_SIZE
                    && !Thread.currentThread().isInterrupted(); requests++) {
                ZMsg.recvMsg(client).destroy();
            }
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                if (msg.size() == 3) { // serving a client request
                    if (!doTheWork(cycles++))
                        break; // crashed
                    liveness = HEARTBEAT_LIVENESS;
                    msg.send(worker);
                } else if (msg.size() == 1) { // heartbeat
                    ZFrame frame = msg.getFirst();
                    if (Arrays.equals(frame.getData(), PPP_HEARTBEAT)) {
                        liveness = HEARTBEAT_LIVENESS;
                    } else {
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