Examples with Ctx zmq.Ctx used on opensource projects

Example 51 with Ctx

use of zmq.Ctx in project jeromq by zeromq.

the class PushPullSpecTest method testSpecPushBlockOnSendNoPeers.

@Test
public void testSpecPushBlockOnSendNoPeers() throws IOException, InterruptedException {
    Ctx ctx = ZMQ.createContext();
    List<String> binds = Arrays.asList("inproc://a", "tcp://127.0.0.1:*");
    for (String bindAddress : binds) {
        // PUSH: SHALL block on sending, or return a suitable error, when it has no
        // available peers.
        blockOnSendNoPeers(ctx, bindAddress, ZMQ.ZMQ_PUSH);
    }
    ZMQ.term(ctx);
}

Example 52 with Ctx

use of zmq.Ctx in project jeromq by zeromq.

the class PushPullSpecTest method testSpecDestroyQueueOnDisconnect.

@Test
@Ignore
public void testSpecDestroyQueueOnDisconnect() throws IOException, InterruptedException {
    Ctx ctx = ZMQ.createContext();
    List<String> binds = Arrays.asList("inproc://a", "tcp://127.0.0.1:*");
    for (String bindAddress : binds) {
    // PUSH and PULL: SHALL create this queue when a peer connects to it. If
    // this peer disconnects, the socket SHALL destroy its queue and SHALL
    // discard any messages it contains.
    // *** Test disabled until libzmq does this properly ***
    }
    ZMQ.term(ctx);
}

Example 53 with Ctx

use of zmq.Ctx in project jeromq by zeromq.

the class PubSubHwmTest method testDefaults.

private int testDefaults(int sendHwm, int msgCnt) {
    Ctx ctx = ZMQ.createContext();
    // Set up bind socket
    SocketBase pub = ctx.createSocket(ZMQ.ZMQ_PUB);
    boolean rc = ZMQ.bind(pub, "inproc://a");
    assertThat(rc, is(true));
    // Set up connect socket
    SocketBase sub = ctx.createSocket(ZMQ.ZMQ_SUB);
    rc = ZMQ.connect(sub, "inproc://a");
    assertThat(rc, is(true));
    // set a hwm on publisher
    rc = ZMQ.setSocketOption(pub, ZMQ.ZMQ_SNDHWM, sendHwm);
    assertThat(rc, is(true));
    rc = ZMQ.setSocketOption(sub, ZMQ.ZMQ_SUBSCRIBE, new byte[0]);
    assertThat(rc, is(true));
    // Send until we block
    int sendCount = 0;
    while (sendCount < msgCnt && ZMQ.send(pub, "", ZMQ.ZMQ_DONTWAIT) == 0) {
        ++sendCount;
    }
    // Now receive all sent messages
    int recvCount = 0;
    while (null != ZMQ.recv(sub, ZMQ.ZMQ_DONTWAIT)) {
        ++recvCount;
    }
    assertThat(sendCount, is(recvCount));
    // Clean up
    ZMQ.close(sub);
    ZMQ.close(pub);
    ZMQ.term(ctx);
    return recvCount;
}

Example 54 with Ctx

use of zmq.Ctx in project jeromq by zeromq.

the class PubSubHwmTest method testResetHwm.

@Test
public void testResetHwm() {
    // hwm should apply to the messages that have already been received
    // with hwm 11024: send 9999 msg, receive 9999, send 1100, receive 1100
    int firstCount = 9999;
    int secondCount = 1100;
    int hwm = 11024;
    Ctx ctx = ZMQ.createContext();
    // Set up bind socket
    SocketBase pub = ctx.createSocket(ZMQ.ZMQ_PUB);
    boolean rc = ZMQ.setSocketOption(pub, ZMQ.ZMQ_SNDHWM, hwm);
    assertThat(rc, is(true));
    rc = ZMQ.bind(pub, "tcp://localhost:*");
    assertThat(rc, is(true));
    String host = (String) ZMQ.getSocketOptionExt(pub, ZMQ.ZMQ_LAST_ENDPOINT);
    assertThat(host, notNullValue());
    // Set up connect socket
    SocketBase sub = ctx.createSocket(ZMQ.ZMQ_SUB);
    rc = ZMQ.setSocketOption(sub, ZMQ.ZMQ_RCVHWM, hwm);
    assertThat(rc, is(true));
    rc = ZMQ.connect(sub, host);
    assertThat(rc, is(true));
    rc = ZMQ.setSocketOption(sub, ZMQ.ZMQ_SUBSCRIBE, new byte[0]);
    assertThat(rc, is(true));
    ZMQ.sleep(1);
    // Send messages
    int sendCount = 0;
    while (sendCount < firstCount && ZMQ.send(pub, "1", ZMQ.ZMQ_DONTWAIT) == 1) {
        ++sendCount;
    }
    assertThat(sendCount, is(firstCount));
    ZMQ.msleep(500);
    // Now receive all sent messages
    int recvCount = 0;
    while (null != ZMQ.recv(sub, ZMQ.ZMQ_DONTWAIT)) {
        ++recvCount;
    }
    assertThat(recvCount, is(firstCount));
    ZMQ.msleep(100);
    sendCount = 0;
    while (sendCount < secondCount && ZMQ.send(pub, "2", ZMQ.ZMQ_DONTWAIT) == 1) {
        ++sendCount;
    }
    assertThat(sendCount, is(secondCount));
    ZMQ.msleep(200);
    // Now receive all sent messages
    recvCount = 0;
    while (null != ZMQ.recv(sub, ZMQ.ZMQ_DONTWAIT)) {
        ++recvCount;
    }
    assertThat(recvCount, is(secondCount));
    // Clean up
    ZMQ.close(sub);
    ZMQ.close(pub);
    ZMQ.term(ctx);
}

Example 55 with Ctx

use of zmq.Ctx in project jeromq by zeromq.

the class SubTest method testSetNullOption.

@Test
public void testSetNullOption() {
    Ctx ctx = ZMQ.createContext();
    SocketBase pub = null;
    try {
        pub = ctx.createSocket(ZMQ.ZMQ_SUB);
        boolean rc = pub.setSocketOpt(ZMQ.ZMQ_SUBSCRIBE, null);
        assertThat(rc, is(false));
    } catch (IllegalArgumentException e) {
        assertThat(pub.errno.get(), is(ZError.EINVAL));
    } finally {
        ZMQ.close(pub);
        ZMQ.term(ctx);
    }
}