Package org.zeromq

Examples of org.zeromq.ZMsg.send()

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            worker.setHWM (-1);
            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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        //  Blast the request to all connected servers
        int server;
        for (server = 0; server < servers; server++) {
            ZMsg msg = request.duplicate();
            msg.send(socket);
        }
        //  Wait for a matching reply to arrive from anywhere
        //  Since we can poll several times, calculate each one
        ZMsg reply = null;
        long endtime = System.currentTimeMillis() + GLOBAL_TIMEOUT;
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            }
            //  Route reply to cloud if it's addressed to a broker
            for (argn = 1; msg != null && argn < argv.length; argn++) {
                byte[] data = msg.getFirst().getData();
                if (argv[argn].equals(new String(data))) {
                    msg.send(cloudfe);
                    msg = null;
                }
            }
            //  Route reply to client if we still need to
            if (msg != null)
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                    msg = null;
                }
            }
            //  Route reply to client if we still need to
            if (msg != null)
                msg.send(localfe);

            //  Now we route as many client requests as we have worker capacity
            //  for. We may reroute requests from our local frontend, but not from //
            //  the cloud frontend. We reroute randomly now, just to test things
            //  out. In the next version we'll do this properly by calculating
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                //
                if (reroutable != 0 && argv.length > 1 && rand.nextInt(5) == 0) {
                    //  Route to random broker peer
                    int random_peer = rand.nextInt(argv.length - 1) + 1;
                    msg.push(argv[random_peer]);
                    msg.send(cloudbe);
                } else {
                    ZFrame frame = workers.remove(0);
                    msg.wrap(frame);
                    msg.send(localbe);
                    capacity--;
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                    msg.push(argv[random_peer]);
                    msg.send(cloudbe);
                } else {
                    ZFrame frame = workers.remove(0);
                    msg.wrap(frame);
                    msg.send(localbe);
                    capacity--;
                }
            }
        }
        //  When we're done, clean up properly
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        Socket client = ctx.createSocket(ZMQ.REQ);
        client.connect(endpoint);

        //  Send request, wait safely for reply
        ZMsg msg = request.duplicate();
        msg.send(client);
        PollItem[] items = { new PollItem(client, ZMQ.Poller.POLLIN) };
        ZMQ.poll(items, REQUEST_TIMEOUT);
        ZMsg reply = null;
        if (items[0].isReadable())
            reply = ZMsg.recvMsg(client);
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    {
        ZMsg msg = new ZMsg();
        msg.add("CONNECT");
        msg.add(address);
        msg.add(service);
        msg.send(pipe);
    }

    //  .split set method
    //  Set a new value in the shared hashmap. Sends a [SET][key][value][ttl]
    //  command through to the agent which does the actual work:
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        ZMsg msg = new ZMsg();
        msg.add("SET");
        msg.add(key);
        msg.add(value);
        msg.add(String.format("%d", ttl));
        msg.send(pipe);
    }

    //  .split get method
    //  Look up value in distributed hash table. Sends [GET][key] to the agent and
    //  waits for a value response. If there is no value available, will eventually
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    public String get(String key)
    {
        ZMsg msg = new ZMsg();
        msg.add("GET");
        msg.add(key);
        msg.send(pipe);

        ZMsg reply = ZMsg.recvMsg(pipe);
        if (reply != null) {
            String value = reply.popString();
            reply.destroy();
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