Package org.zeromq.ZMQ

Examples of org.zeromq.ZMQ.Context

44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
     */
    private static class WorkerTask extends Thread
    {
        public void run()
        {
            Context context = ZMQ.context(1);
            //  Prepare our context and sockets
            Socket worker  = context.socket(ZMQ.REQ);
            ZHelper.setId (worker);     //  Set a printable identity

            worker.connect("ipc://backend.ipc");

            //  Tell backend we're ready for work
            worker.send("READY");

            while(!Thread.currentThread ().isInterrupted ())
            {
                String address = worker.recvStr ();
                String empty = worker.recvStr ();
                assert (empty.length() == 0);

                //  Get request, send reply
                String request = worker.recvStr ();
                System.out.println("Worker: " + request);

                worker.sendMore (address);
                worker.sendMore ("");
                worker.send("OK");
            }
            worker.close ();
            context.term ();
        }
View Full Code Here
57
58
59
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
8
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
55
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
     * While this example runs in a single process, that is just to make
     * 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
15
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
    private static class Worker extends Thread {

        @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
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
//  Connects REP socket to tcp://*:5560
//  Expects "Hello" from client, replies with "World"
public class rrworker
{
    public static void main(String[] args) throws Exception {
        Context context = ZMQ.context(1);

        //  Socket to talk to server
        Socket responder = context.socket(ZMQ.REP);
        responder.connect("tcp://localhost:5560");

        while (!Thread.currentThread().isInterrupted()) {
            //  Wait for next request from client
            String string = responder.recvStr(0);
            System.out.printf("Received request: [%s]\n", string);

            //  Do some 'work'
            Thread.sleep(1000);

            //  Send reply back to client
            responder.send("World");
        }

        //  We never get here but clean up anyhow
        responder.close();
        context.term();
    }
View Full Code Here
53
54
55
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
     * While this example runs in a single process, that is just to make
     * 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.recvStr ();     //  Envelope delimiter
            broker.recvStr ();     //  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
15
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
    private static class Worker extends Thread {

        @Override
        public void run() {

            Context context = ZMQ.context(1);
            Socket worker = context.socket(ZMQ.REQ);
            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.send ("Hi Boss");

                //  Get workload from broker, until finished
                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
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
*/
public class identity {

    public static void main (String[] args) throws InterruptedException {

        Context context = ZMQ.context(1);
        Socket sink = context.socket(ZMQ.ROUTER);
        sink.bind("inproc://example");

        //  First allow 0MQ to set the identity, [00] + random 4byte
        Socket anonymous = context.socket(ZMQ.REQ);

        anonymous.connect("inproc://example");
        anonymous.send ("ROUTER uses a generated UUID",0);
        ZHelper.dump (sink);

        //  Then set the identity ourself
        Socket identified = context.socket(ZMQ.REQ);
        identified.setIdentity("PEER2".getBytes ());
        identified.connect ("inproc://example");
        identified.send("ROUTER uses REQ's socket identity", 0);
        ZHelper.dump (sink);

        sink.close ();
        anonymous.close ();
        identified.close();
        context.term();

    }
View Full Code Here
6
7
8
9
10
11
12
13
14
15
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
* Synchronized subscriber.
*/
public class syncsub{

    public static void main (String[] args) {
        Context context = ZMQ.context(1);

        //  First, connect our subscriber socket
        Socket subscriber = context.socket(ZMQ.SUB);
        subscriber.connect("tcp://localhost:5561");
        subscriber.subscribe("".getBytes());

        //  Second, synchronize with publisher
        Socket syncclient = context.socket(ZMQ.REQ);
        syncclient.connect("tcp://localhost:5562");

        //  - send a synchronization request
        syncclient.send("".getBytes(), 0);

        //  - wait for synchronization reply
        syncclient.recv(0);

        //  Third, get our updates and report how many we got
        int update_nbr = 0;
        while (true) {
            String string = subscriber.recvStr(0);
            if (string.equals("END")) {
                break;
            }
            update_nbr++;
        }
        System.out.println("Received " + update_nbr + " updates.");

        subscriber.close();
        syncclient.close();
        context.term();
    }
View Full Code Here
TOP

Related Classes of org.zeromq.ZMQ.Context

  • ChatClient
  • ChatServer
  • Client
  • ClientThread
  • clonecli2
  • clonesrv1
  • com.alipay.bluewhale.core.messaging.MsgLoader
  • identity
  • lbbroker
  • lbbroker$ClientTask
    • 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.