Package org.zeromq.ZMQ

Examples of org.zeromq.ZMQ.Socket

23
24
25
26
27
28
29
30
31
32
33
34
   
    //  Helper function that returns a new configured socket
    //  connected to the Paranoid Pirate queue
   
    private static Socket worker_socket(ZContext ctx) {
        Socket worker = ctx.createSocket(ZMQ.DEALER);
        worker.connect( "tcp://localhost:5556");

        //  Tell queue we're ready for work
        System.out.println ("I: worker ready\n");
        ZFrame frame = new ZFrame (PPP_READY);
        frame.send( worker, 0);
View Full Code Here
41
42
43
44
45
46
47
48
49
50
51
    //  the heartbeating, which lets the worker detect if the queue has
    //  died, and vice-versa:
   
    public static void main(String[] args) {
        ZContext ctx = new ZContext ();
        Socket worker = worker_socket (ctx);

        //  If liveness hits zero, queue is considered disconnected
        int liveness = HEARTBEAT_LIVENESS;
        int interval = INTERVAL_INIT;
View Full Code Here
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
    public static void main (String[] args) {

        Context context = ZMQ.context(1);
   
        //  Bind to inproc: endpoint, then start upstream thread
        Socket receiver = context.socket(ZMQ.PAIR);
        receiver.bind("inproc://step3");
       
        //  Step 2 relays the signal to step 3
        Thread step2 = new Step2 (context);
        step2.start();
       
        //  Wait for signal
        receiver.recv(0);
        receiver.close ();
   
        System.out.println ("Test successful!");
        context.term ();
    }
View Full Code Here
17
18
19
20
21
22
23
24
25
26
27
        }

        @Override
        public void run(){
            //  Signal downstream to step 2
            Socket xmitter = context.socket(ZMQ.PAIR);
            xmitter.connect("inproc://step2");
            System.out.println ("Step 1 ready, signaling step 2");
            xmitter.send("READY", 0);
            xmitter.close ();
        }
View Full Code Here
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
        }

        @Override
        public void run(){
            //  Bind to inproc: endpoint, then start upstream thread
            Socket receiver = context.socket(ZMQ.PAIR);
            receiver.bind("inproc://step2");
            Thread step1 = new Step1 (context);
            step1.start();

            //  Wait for signal
            receiver.recv(0);
            receiver.close ();

            //  Connect to step3 and tell it we're ready
            Socket xmitter = context.socket(ZMQ.PAIR);
            xmitter.connect("inproc://step3");
            xmitter.send("READY", 0);

            xmitter.close ();
        }
View Full Code Here
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
public class psenvpub {

    public static void main (String[] args) throws Exception {
        // Prepare our context and publisher
        Context context = ZMQ.context(1);
        Socket publisher = context.socket(ZMQ.PUB);

        publisher.bind("tcp://*:5563");
        while (!Thread.currentThread ().isInterrupted ()) {
            // Write two messages, each with an envelope and content
            publisher.sendMore ("A");
            publisher.send ("We don't want to see this");
            publisher.sendMore ("B");
            publisher.send("We would like to see this");
        }
        publisher.close ();
        context.term ();
    }
View Full Code Here
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
     * it easier to start and stop the example. Each thread has its own
     * context and conceptually acts as a separate process.
     */
    public static void main (String[] args) throws Exception {
        Context context = ZMQ.context(1);
        Socket broker = context.socket(ZMQ.ROUTER);
        broker.bind("tcp://*:5671");

        for (int workerNbr = 0; workerNbr < NBR_WORKERS; workerNbr++)
        {
            Thread worker = new Worker();
            worker.start();
        }

        //  Run for five seconds and then tell workers to end
        long endTime = System.currentTimeMillis() + 5000;
        int workersFired = 0;
        while (true) {
            //  Next message gives us least recently used worker
            String identity = broker.recvStr();
            broker.sendMore(identity);
            broker.recv(0);     //  Envelope delimiter
            broker.recv(0);     //  Response from worker
            broker.sendMore("");

            //  Encourage workers until it's time to fire them
            if (System.currentTimeMillis() < endTime)
                broker.send("Work harder");
            else {
                broker.send("Fired!");
                if (++workersFired == NBR_WORKERS)
                    break;
            }
        }

        broker.close();
        context.term();
    }
View Full Code Here
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
        @Override
        public void run() {

            Context context = ZMQ.context(1);
            Socket worker = context.socket(ZMQ.DEALER);
            ZHelper.setId(worker);  //  Set a printable identity

            worker.connect("tcp://localhost:5671");

            int total = 0;
            while (true) {
                //  Tell the broker we're ready for work
                worker.sendMore("");
                worker.send("Hi Boss");

                //  Get workload from broker, until finished
                worker.recvStr();   //  Envelope delimiter
                String workload = worker.recvStr();
                boolean finished = workload.equals("Fired!");
                if (finished) {
                    System.out.printf("Completed: %d tasks\n", total);
                    break;
                }
                total++;

                //  Do some random work
                try {
                    Thread.sleep(rand.nextInt(500) + 1);
                } catch (InterruptedException e) {
                }
            }
            worker.close();
            context.term();
        }
View Full Code Here
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
        Random rand = new Random(System.nanoTime());

        ZContext ctx = new ZContext();

        //  Bind state backend to endpoint
        Socket statebe = ctx.createSocket(ZMQ.PUB);
        statebe.bind(String.format("ipc://%s-state.ipc", self));

        //  Connect statefe to all peers
        Socket statefe = ctx.createSocket(ZMQ.SUB);
        statefe.subscribe("".getBytes());
        int argn;
        for (argn = 1; argn < argv.length; argn++) {
            String peer = argv[argn];
            System.out.printf("I: connecting to state backend at '%s'\n", peer);
            statefe.connect(String.format("ipc://%s-state.ipc", peer));
        }
        //  The main loop sends out status messages to peers, and collects
        //  status messages back from peers. The zmq_poll timeout defines
        //  our own heartbeat:

        while (true) {
            //  Poll for activity, or 1 second timeout
            PollItem items[] = {new PollItem(statefe, Poller.POLLIN)};
            int rc = ZMQ.poll(items, 1000);
            if (rc == -1)
                break;              //  Interrupted

            //  Handle incoming status messages
            if (items[0].isReadable()) {
                String peer_name = new String(statefe.recv(0));
                String available = new String(statefe.recv(0));
                System.out.printf("%s - %s workers free\n", peer_name, available);
            } else {
                //  Send random values for worker availability
                statebe.send(self, ZMQ.SNDMORE);
                statebe.send(String.format("%d", rand.nextInt(10)), 0);
View Full Code Here
78
79
80
81
82
83
84
85
86
87
88
89
90
91
     * to hold the list of workers, and to read and send messages:
     */
    public static void main (String[] args) {
        ZContext context = new ZContext();
        //  Prepare our context and sockets
        Socket frontend  = context.createSocket (ZMQ.ROUTER);
        Socket backend  = context.createSocket (ZMQ.ROUTER);
        frontend.bind("ipc://frontend.ipc");
        backend.bind("ipc://backend.ipc");

        int clientNbr;
        for (clientNbr = 0; clientNbr < NBR_CLIENTS; clientNbr++)
            ZThread.start (new ClientTask ());

View Full Code Here
TOP

Related Classes of org.zeromq.ZMQ.Socket

  • ChatClient
  • ChatServer
  • Client
  • com.alibaba.jstorm.message.zeroMq.MQContext
  • com.alipay.bluewhale.core.zilch.VirtualPort
  • com.almende.eve.transport.zmq.ZmqService
  • com.almende.eve.transport.zmq.ZmqTransport
  • fi.jyu.zmq.ZmqAssociationTest
  • msgqueue
  • org.filemq.TestFmqMsg
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.