Examples with Msg zmq.Msg used on opensource projects

Example 61 with Msg

use of zmq.Msg in project jeromq by zeromq.

the class Mechanism method receiveAndProcessZapReply.

protected final int receiveAndProcessZapReply() {
    assert (session != null);
    // ZAP reply consists of 7 frames
    List<Msg> msgs = new ArrayList<>(7);
    // Initialize all reply frames
    for (int idx = 0; idx < 7; ++idx) {
        Msg msg = session.readZapMsg();
        if (msg == null) {
            return session.errno.get();
        }
        if ((msg.flags() & Msg.MORE) == (idx < 6 ? 0 : Msg.MORE)) {
            session.getSocket().eventHandshakeFailedProtocol(session.getEndpoint(), ZMQ.ZMQ_PROTOCOL_ERROR_ZAP_MALFORMED_REPLY);
            return ZError.EPROTO;
        }
        msgs.add(msg);
    }
    // Address delimiter frame
    if (msgs.get(0).size() > 0) {
        session.getSocket().eventHandshakeFailedProtocol(session.getEndpoint(), ZMQ.ZMQ_PROTOCOL_ERROR_ZAP_UNSPECIFIED);
        return ZError.EPROTO;
    }
    // Version frame
    if (msgs.get(1).size() != 3 || !compare(msgs.get(1), "1.0", false)) {
        session.getSocket().eventHandshakeFailedProtocol(session.getEndpoint(), ZMQ.ZMQ_PROTOCOL_ERROR_ZAP_BAD_VERSION);
        return ZError.EPROTO;
    }
    // Request id frame
    if (msgs.get(2).size() != 1 || !compare(msgs.get(2), "1", false)) {
        session.getSocket().eventHandshakeFailedProtocol(session.getEndpoint(), ZMQ.ZMQ_PROTOCOL_ERROR_ZAP_BAD_REQUEST_ID);
        return ZError.EPROTO;
    }
    // Status code frame
    if (msgs.get(3).size() != 3) {
        session.getSocket().eventHandshakeFailedProtocol(session.getEndpoint(), ZMQ.ZMQ_PROTOCOL_ERROR_ZAP_INVALID_STATUS_CODE);
        return ZError.EPROTO;
    }
    // Save status code
    statusCode = new String(msgs.get(3).data(), ZMQ.CHARSET);
    // Save user id
    setUserId(msgs.get(5).data());
    return parseMetadata(msgs.get(6), 0, true);
}

Example 62 with Msg

use of zmq.Msg in project jeromq by zeromq.

the class Mechanism method sendZapRequest.

protected final void sendZapRequest(Mechanisms mechanism, boolean more) {
    assert (session != null);
    assert (peerAddress != null);
    assert (mechanism != null);
    Msg msg = new Msg();
    // Address delimiter frame
    msg.setFlags(Msg.MORE);
    boolean rc = session.writeZapMsg(msg);
    assert (rc);
    // Version frame
    msg = new Msg(3);
    msg.setFlags(Msg.MORE);
    msg.put("1.0".getBytes(ZMQ.CHARSET));
    rc = session.writeZapMsg(msg);
    assert (rc);
    // Request id frame
    msg = new Msg(1);
    msg.setFlags(Msg.MORE);
    msg.put("1".getBytes(ZMQ.CHARSET));
    rc = session.writeZapMsg(msg);
    assert (rc);
    // Domain frame
    msg = new Msg(options.zapDomain.length());
    msg.setFlags(Msg.MORE);
    msg.put(options.zapDomain.getBytes(ZMQ.CHARSET));
    rc = session.writeZapMsg(msg);
    assert (rc);
    // Address frame
    byte[] host = peerAddress.host().getBytes(ZMQ.CHARSET);
    msg = new Msg(host.length);
    msg.setFlags(Msg.MORE);
    msg.put(host);
    rc = session.writeZapMsg(msg);
    assert (rc);
    // Identity frame
    msg = new Msg(options.identitySize);
    msg.setFlags(Msg.MORE);
    msg.put(options.identity, 0, options.identitySize);
    rc = session.writeZapMsg(msg);
    assert (rc);
    // Mechanism frame
    msg = new Msg(mechanism.name().length());
    msg.put(mechanism.name().getBytes(ZMQ.CHARSET));
    if (more) {
        msg.setFlags(Msg.MORE);
    }
    rc = session.writeZapMsg(msg);
    assert (rc);
}

Example 63 with Msg

use of zmq.Msg in project jeromq by zeromq.

the class SessionBase method cleanPipes.

// Remove any half processed messages. Flush unflushed messages.
// Call this function when engine disconnect to get rid of leftovers.
private void cleanPipes() {
    assert (pipe != null);
    // Get rid of half-processed messages in the out pipe. Flush any
    // unflushed messages upstream.
    pipe.rollback();
    pipe.flush();
    // Remove any half-read message from the in pipe.
    while (incompleteIn) {
        Msg msg = pullMsg();
        if (msg == null) {
            assert (!incompleteIn);
            break;
        }
    // msg.close ();
    }
}

Example 64 with Msg

use of zmq.Msg in project jeromq by zeromq.

the class CurveServerMechanism method sendZapRequest.

private void sendZapRequest(byte[] key) {
    sendZapRequest(Mechanisms.CURVE, true);
    // Credentials frame
    Msg msg = new Msg(Curve.Size.PUBLICKEY.bytes());
    msg.put(key, 0, Curve.Size.PUBLICKEY.bytes());
    boolean rc = session.writeZapMsg(msg);
    assert (rc);
}

Example 65 with Msg

use of zmq.Msg in project jeromq by zeromq.

the class ZFrame method send.

/**
 * Internal method to call org.zeromq.Socket send() method.
 * @param socket
 *          0MQ socket to send on
 * @param flags
 *          Valid send() method flags, defined in org.zeromq.ZMQ class
 * @return
 *          True if success, else False
 */
public boolean send(Socket socket, int flags) {
    Utils.checkArgument(socket != null, "socket parameter must be set");
    final SocketBase base = socket.base();
    final zmq.Msg msg = new Msg(data);
    if (group != null) {
        msg.setGroup(group);
    }
    int sendFlags = (flags & ZFrame.MORE) == ZFrame.MORE ? zmq.ZMQ.ZMQ_SNDMORE : 0;
    sendFlags |= (flags & ZFrame.DONTWAIT) == ZFrame.DONTWAIT ? zmq.ZMQ.ZMQ_DONTWAIT : 0;
    // Only set the routerId if the socket is a ZMQ_Server
    if (base instanceof zmq.socket.clientserver.Server) {
        msg.setRoutingId(this.routingId);
    }
    return base.send(msg, sendFlags);
}