Examples with Msg zmq.Msg used on opensource projects

Example 91 with Msg

use of zmq.Msg in project jeromq by zeromq.

the class StreamEngine method producePingMessage.

private Msg producePingMessage() {
    assert (mechanism != null);
    Msg msg = new Msg(7 + heartbeatContext.length);
    msg.setFlags(Msg.COMMAND);
    msg.putShortString("PING");
    Wire.putUInt16(msg, options.heartbeatTtl);
    msg.put(heartbeatContext);
    msg = mechanism.encode(msg);
    nextMsg = pullAndEncode;
    if (!hasTimeoutTimer && heartbeatTimeout > 0) {
        ioObject.addTimer(heartbeatTimeout, HEARTBEAT_TIMEOUT_TIMER_ID);
        hasTimeoutTimer = true;
    }
    return msg;
}

Example 92 with Msg

use of zmq.Msg in project jeromq by zeromq.

the class StreamEngine method error.

// Function to handle network disconnections.
private void error(ErrorReason error) {
    if (options.rawSocket) {
        // For raw sockets, send a final 0-length message to the application
        // so that it knows the peer has been disconnected.
        Msg terminator = new Msg();
        processMsg.apply(terminator);
    }
    assert (session != null);
    socket.eventDisconnected(endpoint, fd);
    session.flush();
    session.engineError(!handshaking && (mechanism == null || mechanism.status() != Mechanism.Status.HANDSHAKING), error);
    unplug();
    destroy();
}

Example 93 with Msg

use of zmq.Msg in project jeromq by zeromq.

the class StreamEngine method restartInput.

@Override
public void restartInput() {
    assert (inputStopped);
    assert (session != null);
    assert (decoder != null);
    Msg msg = decoder.msg();
    if (!processMsg.apply(msg)) {
        if (errno.is(ZError.EAGAIN)) {
            session.flush();
        } else {
            error(ErrorReason.PROTOCOL);
        }
        return;
    }
    boolean decodingSuccess = decodeCurrentInputs();
    if (!decodingSuccess && errno.is(ZError.EAGAIN)) {
        session.flush();
    } else if (ioError) {
        error(ErrorReason.CONNECTION);
    } else if (!decodingSuccess) {
        error(ErrorReason.PROTOCOL);
    } else {
        inputStopped = false;
        ioObject.setPollIn(handle);
        session.flush();
        // Speculative read.
        inEvent();
    }
}

Example 94 with Msg

use of zmq.Msg in project jeromq by zeromq.

the class StreamEngine method pullAndEncode.

private Msg pullAndEncode() {
    assert (mechanism != null);
    Msg msg = session.pullMsg();
    if (msg == null) {
        return null;
    }
    msg = mechanism.encode(msg);
    return msg;
}

Example 95 with Msg

use of zmq.Msg in project jeromq by zeromq.

the class V1EncoderTest method testReaderLong.

@Test
public void testReaderLong() {
    Msg msg = readLongMessage1();
    ValueReference<ByteBuffer> ref = new ValueReference<>();
    int outsize = encoder.encode(ref, 0);
    assertThat(outsize, is(0));
    ByteBuffer out = ref.get();
    assertThat(out, nullValue());
    encoder.loadMsg(msg);
    outsize = encoder.encode(ref, 64);
    assertThat(outsize, is(64));
    out = ref.get();
    int position = out.position();
    int limit = out.limit();
    assertThat(limit, is(64));
    assertThat(position, is(64));
    ref.set(null);
    outsize = encoder.encode(ref, 64);
    assertThat(outsize, is(138));
    out = ref.get();
    position = out.position();
    limit = out.limit();
    assertThat(position, is(62));
    assertThat(limit, is(200));
}