Examples with Ctx zmq.Ctx used on opensource projects

Example 31 with Ctx

use of zmq.Ctx 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);
}

Example 32 with Ctx

use of zmq.Ctx in project jeromq by zeromq.

the class TestPairIpc method testPairIpc.

// Create REQ/ROUTER wiring.
@Test(timeout = 5000)
public void testPairIpc() {
    Ctx ctx = ZMQ.init(1);
    assertThat(ctx, notNullValue());
    SocketBase pairBind = ZMQ.socket(ctx, ZMQ.ZMQ_PAIR);
    assertThat(pairBind, notNullValue());
    UUID random;
    do {
        random = UUID.randomUUID();
    } while (!ZMQ.bind(pairBind, "ipc:///tmp/tester/" + random.toString()));
    SocketBase pairConnect = ZMQ.socket(ctx, ZMQ.ZMQ_PAIR);
    assertThat(pairConnect, notNullValue());
    boolean brc = ZMQ.connect(pairConnect, "ipc:///tmp/tester/" + random.toString());
    assertThat(brc, is(true));
    Helper.bounce(pairBind, pairConnect);
    // Tear down the wiring.
    ZMQ.close(pairBind);
    ZMQ.close(pairConnect);
    ZMQ.term(ctx);
}

Example 33 with Ctx

use of zmq.Ctx in project jeromq by zeromq.

the class ConflateTest method test.

@Test
public void test() throws IOException, InterruptedException {
    Ctx ctx = ZMQ.init(1);
    assert (ctx != null);
    SocketBase in = ZMQ.socket(ctx, ZMQ.ZMQ_PULL);
    assert (in != null);
    String host = "tcp://localhost:*";
    int conflate = 1;
    ZMQ.setSocketOption(in, ZMQ.ZMQ_CONFLATE, conflate);
    boolean rc = ZMQ.bind(in, host);
    assert (rc);
    SocketBase out = ZMQ.socket(ctx, ZMQ.ZMQ_PUSH);
    assert (out != null);
    String ep = (String) ZMQ.getSocketOptionExt(in, ZMQ.ZMQ_LAST_ENDPOINT);
    rc = ZMQ.connect(out, ep);
    assert (rc);
    int messageCount = 20;
    for (int j = 0; j < messageCount; ++j) {
        int count = Helper.send(out, Integer.toString(j));
        assert (count > 0);
    }
    Thread.sleep(200);
    String recvd = Helper.recv(in);
    Assert.assertEquals("19", recvd);
    ZMQ.close(in);
    ZMQ.close(out);
    ZMQ.term(ctx);
}

Example 34 with Ctx

use of zmq.Ctx in project jeromq by zeromq.

the class PollerTest method catchNotification.

@Test(timeout = 1000)
public void catchNotification() throws IOException, InterruptedException {
    CountDownLatch catched = new CountDownLatch(1);
    AtomicReference<Selector> selectorRef = new AtomicReference<>();
    Ctx ctx = new Ctx() {

        @Override
        public Selector createSelector() {
            selectorRef.set(super.createSelector());
            return selectorRef.get();
        }
    };
    ctx.setNotificationExceptionHandler((t, e) -> {
        if (e instanceof ClosedSelectorException) {
            catched.countDown();
        }
    });
    Poller poller = new Poller(ctx, "test");
    poller.start();
    selectorRef.get().close();
    catched.await();
}

Example 35 with Ctx

use of zmq.Ctx in project jeromq by zeromq.

the class ProxyTcpTest method testProxyTcp.

@Test
public void testProxyTcp() throws Exception {
    int routerPort = Utils.findOpenPort();
    int dealerPort = Utils.findOpenPort();
    Ctx ctx = ZMQ.init(1);
    assertThat(ctx, notNullValue());
    Proxy mt = new Proxy(ctx, routerPort, dealerPort);
    mt.start();
    new Dealer(ctx, "A", dealerPort).start();
    // new Dealer(ctx, "B", dealerPort).start();
    ZMQ.sleep(1);
    Thread client = new Client(routerPort);
    client.start();
    client.join();
    ZMQ.term(ctx);
}