Examples with Msg zmq.Msg used on opensource projects

Example 56 with Msg

use of zmq.Msg in project jeromq by zeromq.

the class TrieTest method testAddRemoveMultiNodesBelowLevel.

@Test
public void testAddRemoveMultiNodesBelowLevel() {
    Trie trie = new Trie();
    boolean rc = trie.add(prefix, 0, prefix.size());
    assertThat(rc, is(true));
    byte[] abv = Arrays.copyOf(prefix.data(), prefix.size());
    abv[1] = 0;
    Msg above = new Msg(abv);
    rc = trie.add(above, 0, above.size());
    assertThat(rc, is(true));
    abv[1] = -1;
    above = new Msg(abv);
    rc = trie.add(above, 0, above.size());
    assertThat(rc, is(true));
    rc = trie.rm(prefix, 0, prefix.size());
    assertThat(rc, is(true));
    abv[1] = 0;
    above = new Msg(abv);
    rc = trie.rm(above, 0, above.size());
    assertThat(rc, is(true));
    abv[1] = -1;
    above = new Msg(abv);
    rc = trie.rm(above, 0, above.size());
    assertThat(rc, is(true));
}

Example 57 with Msg

use of zmq.Msg in project jeromq by zeromq.

the class TrieTest method testAddRemoveMultiNodesAboveLevel.

@Test
public void testAddRemoveMultiNodesAboveLevel() {
    Trie trie = new Trie();
    boolean rc = trie.add(prefix, 0, prefix.size());
    assertThat(rc, is(true));
    byte[] abv = Arrays.copyOf(prefix.data(), prefix.size());
    abv[1] = 3;
    Msg above = new Msg(abv);
    rc = trie.add(above, 0, above.size());
    assertThat(rc, is(true));
    abv[1] = 33;
    above = new Msg(abv);
    rc = trie.add(above, 0, above.size());
    assertThat(rc, is(true));
    rc = trie.rm(prefix, 0, prefix.size());
    assertThat(rc, is(true));
    abv[1] = 3;
    above = new Msg(abv);
    rc = trie.rm(above, 0, above.size());
    assertThat(rc, is(true));
    abv[1] = 33;
    above = new Msg(abv);
    rc = trie.rm(above, 0, above.size());
    assertThat(rc, is(true));
}

Example 58 with Msg

use of zmq.Msg in project jeromq by zeromq.

the class XPubNodropTest method testXpubNoDrop.

// Create REQ/ROUTER wiring.
@Test
public void testXpubNoDrop() throws IOException {
    Ctx ctx = ZMQ.init(1);
    assertThat(ctx, notNullValue());
    // Create a publisher
    SocketBase pubBind = ZMQ.socket(ctx, ZMQ.ZMQ_PUB);
    assertThat(pubBind, notNullValue());
    boolean rc = ZMQ.bind(pubBind, "inproc://soname");
    assertThat(rc, is(true));
    // set pub socket options
    ZMQ.setSocketOption(pubBind, ZMQ.ZMQ_XPUB_NODROP, 1);
    int hwm = 2000;
    ZMQ.setSocketOption(pubBind, ZMQ.ZMQ_SNDHWM, hwm);
    // Create a subscriber
    SocketBase subConnect = ZMQ.socket(ctx, ZMQ.ZMQ_SUB);
    assertThat(subConnect, notNullValue());
    rc = ZMQ.connect(subConnect, "inproc://soname");
    assertThat(rc, is(true));
    // Subscribe for all messages.
    ZMQ.setSocketOption(subConnect, ZMQ.ZMQ_SUBSCRIBE, "");
    int hwmlimit = hwm - 1;
    int sendCount = 0;
    // Send an empty message
    for (int i = 0; i < hwmlimit; i++) {
        int ret = ZMQ.send(pubBind, "", 0);
        assert (ret == 0);
        sendCount++;
    }
    int recvCount = 0;
    Msg msg = null;
    do {
        // Receive the message in the subscriber
        msg = ZMQ.recv(subConnect, ZMQ.ZMQ_DONTWAIT);
        if (msg != null) {
            recvCount++;
        }
    } while (msg != null);
    assertThat(sendCount, is(recvCount));
    // Now test real blocking behavior
    // Set a timeout, default is infinite
    int timeout = 0;
    ZMQ.setSocketOption(pubBind, ZMQ.ZMQ_SNDTIMEO, timeout);
    recvCount = 0;
    sendCount = 0;
    hwmlimit = hwm;
    while (ZMQ.send(pubBind, "", 0) == 0) {
        sendCount++;
    }
    assertThat(pubBind.errno(), is(ZError.EAGAIN));
    while (ZMQ.recv(subConnect, ZMQ.ZMQ_DONTWAIT) != null) {
        recvCount++;
    }
    assertThat(sendCount, is(recvCount));
    // Tear down the wiring.
    ZMQ.close(pubBind);
    ZMQ.close(subConnect);
    ZMQ.term(ctx);
}

Example 59 with Msg

use of zmq.Msg in project jeromq by zeromq.

the class XpubXsubTest method testXPubXSub.

@Test(timeout = 5000)
public void testXPubXSub() {
    System.out.println("XPub - XSub");
    final Ctx ctx = zmq.ZMQ.createContext();
    assertThat(ctx, notNullValue());
    boolean rc;
    SocketBase pub = zmq.ZMQ.socket(ctx, zmq.ZMQ.ZMQ_XPUB);
    rc = zmq.ZMQ.bind(pub, "inproc://1");
    assertThat(rc, is(true));
    String endpoint = (String) ZMQ.getSocketOptionExt(pub, ZMQ.ZMQ_LAST_ENDPOINT);
    assertThat(endpoint, notNullValue());
    SocketBase sub = zmq.ZMQ.socket(ctx, zmq.ZMQ.ZMQ_XSUB);
    rc = zmq.ZMQ.connect(sub, endpoint);
    assertThat(rc, is(true));
    System.out.print("Send.");
    rc = sub.send(new Msg("\1topic".getBytes(ZMQ.CHARSET)), 0);
    assertThat(rc, is(true));
    rc = pub.send(new Msg("topic".getBytes(ZMQ.CHARSET)), 0);
    assertThat(rc, is(true));
    System.out.print("Recv.");
    // msg = sub.recv(0);
    // assertThat(msg.size(), is(5));
    // 
    // msg = sub.recv(0);
    // assertThat(msg.size(), is(3));
    // 
    rc = sub.send(new Msg("\0topic".getBytes(ZMQ.CHARSET)), 0);
    assertThat(rc, is(true));
    // rc = pub.send(new Msg("topix".getBytes(ZMQ.CHARSET)), ZMQ.ZMQ_SNDMORE);
    // assertThat(rc, is(true));
    // 
    // rc = pub.send(new Msg("hop".getBytes(ZMQ.CHARSET)), 0);
    // assertThat(rc, is(true));
    // 
    // rc = zmq.ZMQ.setSocketOption(sub, zmq.ZMQ.ZMQ_RCVTIMEO, 500);
    // assertThat(rc, is(true));
    // 
    // msg = sub.recv(0);
    // assertThat(msg, nullValue());
    zmq.ZMQ.close(sub);
    zmq.ZMQ.close(pub);
    zmq.ZMQ.term(ctx);
    System.out.println("Done.");
}

Example 60 with Msg

use of zmq.Msg in project jeromq by zeromq.

the class ProxySingleSocketTest method testProxySingleSocket.

@Test
public void testProxySingleSocket() throws IOException, InterruptedException {
    int port = Utils.findOpenPort();
    String host = "tcp://127.0.0.1:" + port;
    // The main thread simply starts several clients and a server, and then
    // waits for the server to finish.
    Ctx ctx = ZMQ.createContext();
    SocketBase req = ZMQ.socket(ctx, ZMQ.ZMQ_REQ);
    assertThat(req, notNullValue());
    boolean rc = ZMQ.connect(req, host);
    assertThat(rc, is(true));
    // Control socket receives terminate command from main over inproc
    SocketBase control = ZMQ.socket(ctx, ZMQ.ZMQ_PUB);
    rc = ZMQ.bind(control, "inproc://control");
    assertThat(rc, is(true));
    ExecutorService executor = Executors.newSingleThreadExecutor();
    executor.submit(new ServerTask(ctx, host));
    int ret = ZMQ.send(req, "msg1", 0);
    assertThat(ret, is(4));
    System.out.print(".");
    Msg msg = ZMQ.recv(req, 0);
    System.out.print(".");
    assertThat(msg, notNullValue());
    assertThat(new String(msg.data(), ZMQ.CHARSET), is("msg1"));
    ret = ZMQ.send(req, "msg22", 0);
    assertThat(ret, is(5));
    System.out.print(".");
    msg = ZMQ.recv(req, 0);
    System.out.print(".");
    assertThat(msg, notNullValue());
    assertThat(new String(msg.data(), ZMQ.CHARSET), is("msg22"));
    ret = ZMQ.send(control, ZMQ.PROXY_TERMINATE, 0);
    assertThat(ret, is(9));
    System.out.println(".");
    ZMQ.close(control);
    ZMQ.close(req);
    executor.shutdown();
    executor.awaitTermination(30, TimeUnit.SECONDS);
    ZMQ.term(ctx);
}