Examples with Codec org.jboss.narayana.blacktie.jatmibroker.core.transport.Codec used on opensource projects

Example 1 with Codec

use of org.jboss.narayana.blacktie.jatmibroker.core.transport.Codec in project narayana by jbosstm.

the class ConnectionImpl method tpacall.

/**
 * Asynchronous call
 *
 * @param svc
 *            The name of the service to call
 * @param toSend
 *            The inbound data
 * @param flags
 *            The flags to use
 * @return The connection descriptor
 * @throws ConnectionException
 *             If the service cannot be contacted.
 */
public int tpacall(String svc, Buffer toSend, int flags) throws ConnectionException {
    log.debug("tpacall");
    int toCheck = flags & ~(TPNOTRAN | TPNOREPLY | TPNOBLOCK | TPNOTIME | TPSIGRSTRT);
    if (toCheck != 0) {
        log.trace("invalid flags remain: " + toCheck);
        throw new ConnectionException(ConnectionImpl.TPEINVAL, "Invalid flags remain: " + toCheck);
    }
    svc = svc.substring(0, Math.min(ConnectionImpl.XATMI_SERVICE_NAME_LENGTH, svc.length()));
    String qtype = (String) properties.get("blacktie." + svc + ".type");
    log.debug(svc + " qtype is " + qtype + " and flags is " + flags);
    if ("topic".equals(qtype) && (flags & TPNOREPLY) == 0) {
        log.warn(svc + " type is " + qtype + " and MUST have TPNOREPLY set");
        throw new ConnectionException(ConnectionImpl.TPEINVAL, svc + " type is " + qtype + " and MUST have TPNOREPLY set");
    }
    int correlationId = 0;
    synchronized (this) {
        correlationId = ++nextId;
        log.trace("Allocated next sessionId: " + correlationId);
    }
    Transport transport = getTransport(svc);
    Receiver endpoint = transport.createReceiver(correlationId, responseMonitor, null);
    temporaryQueues.put(correlationId, endpoint);
    log.trace("Added a queue for: " + correlationId);
    // TODO HANDLE TRANSACTION
    String type = null;
    String subtype = null;
    int len = 0;
    byte[] data = null;
    if (toSend != null) {
        CodecFactory factory = new CodecFactory(this);
        String coding_type = properties.getProperty("blacktie." + svc + ".coding_type");
        Codec codec = factory.getCodec(coding_type);
        data = codec.encode((BufferImpl) toSend);
        // data = toSend.serialize();
        type = toSend.getType();
        subtype = toSend.getSubtype();
        len = toSend.getLen();
    }
    String timeToLive = properties.getProperty("TimeToLive");
    int ttl = 0;
    // Don't set ttl when tpacall and TPNOREPLY set
    if (timeToLive != null && ((flags & ConnectionImpl.TPNOREPLY) != ConnectionImpl.TPNOREPLY)) {
        ttl = Integer.parseInt(timeToLive) * 1000;
        log.debug("Set ttl: " + ttl);
    }
    transport.getSender(svc, false).send(endpoint.getReplyTo(), (short) 0, 0, data, len, correlationId, flags, ttl, type, subtype);
    if ((flags & ConnectionImpl.TPNOREPLY) == ConnectionImpl.TPNOREPLY) {
        correlationId = 0;
    }
    log.debug("Returning cd: " + correlationId);
    return correlationId;
}

Example 2 with Codec

use of org.jboss.narayana.blacktie.jatmibroker.core.transport.Codec in project narayana by jbosstm.

the class ConnectionImpl method tpconnect.

/**
 * Handle the initiation of a conversation with the server.
 *
 * @param svc
 *            The name of the service
 * @param toSend
 *            The outbound buffer
 * @param flags
 *            The flags to use
 * @return The connection descriptor
 * @throws ConnectionException
 *             If the service cannot be contacted.
 */
public Session tpconnect(String svc, Buffer toSend, int flags) throws ConnectionException {
    log.debug("tpconnect: " + svc);
    svc = svc.substring(0, Math.min(ConnectionImpl.XATMI_SERVICE_NAME_LENGTH, svc.length()));
    // Initiate the session
    svc = svc.substring(0, Math.min(ConnectionImpl.XATMI_SERVICE_NAME_LENGTH, svc.length()));
    int correlationId = 0;
    synchronized (this) {
        correlationId = nextId++;
    }
    Transport transport = getTransport(svc);
    SessionImpl session = new SessionImpl(this, svc, transport, correlationId);
    Receiver receiver = session.getReceiver();
    // TODO HANDLE TRANSACTION
    String type = null;
    String subtype = null;
    int len = 0;
    byte[] data = null;
    if (toSend != null) {
        CodecFactory factory = new CodecFactory(this);
        String coding_type = properties.getProperty("blacktie." + svc + ".coding_type");
        Codec codec = factory.getCodec(coding_type);
        data = codec.encode((BufferImpl) toSend);
        // data = toSend.serialize();
        type = toSend.getType();
        subtype = toSend.getSubtype();
        len = toSend.getLen();
    }
    String timeToLive = properties.getProperty("TimeToLive");
    int ttl = 0;
    if (timeToLive != null) {
        ttl = Integer.parseInt(timeToLive) * 1000;
    }
    log.debug("tpconnect sending data");
    session.getSender().send(receiver.getReplyTo(), (short) 0, 0, data, len, correlationId, flags | TPCONV, ttl, type, subtype);
    byte[] response = null;
    try {
        log.debug("tpconnect receiving data");
        X_OCTET_Impl odata = (X_OCTET_Impl) session.tprecv(0);
        // TODO THIS SHOULD BE A BETTER ERROR AND CHECKED IF TPCONV AND NOT
        // CONV
        response = odata.getByteArray();
        log.debug("tpconnect received data");
    } catch (ResponseException e) {
        response = ((X_OCTET_Impl) e.getReceived()).getByteArray();
        log.debug("Caught an exception with data", e);
    } catch (ConnectionException e) {
        session.close();
        throw new ConnectionException(e.getTperrno(), "Could not connect");
    } catch (ConfigurationException e) {
        session.close();
        throw new ConnectionException(ConnectionImpl.TPEOS, "Configuration exception: " + e.getMessage(), e);
    }
    byte[] ack = new byte[4];
    byte[] bytes = "ACK".getBytes();
    System.arraycopy(bytes, 0, ack, 0, 3);
    boolean connected = response == null ? false : Arrays.equals(ack, response);
    if (!connected) {
        log.error("Could not connect");
        session.close();
        throw new ConnectionException(ConnectionImpl.TPESYSTEM, "Could not connect");
    }
    session.setCreatorState(flags);
    sessions.put(correlationId, session);
    log.trace("Added session: " + correlationId);
    // Return a handle to allow the connection to send/receive data on
    log.debug("Created session: " + correlationId);
    return session;
}

Example 3 with Codec

use of org.jboss.narayana.blacktie.jatmibroker.core.transport.Codec in project narayana by jbosstm.

the class ConnectionImpl method receive.

/**
 * Retrieve a response.
 *
 * @param cd
 *            The connection descriptor
 * @param flags
 *            The flags to use
 * @return The response
 * @throws ConnectionException
 *             If the response cannot be retrieved.
 * @throws ConfigurationException
 */
private Response receive(int cd, int flags) throws ConnectionException, ConfigurationException {
    log.debug("receive: " + cd);
    Receiver endpoint = temporaryQueues.get(cd);
    if (endpoint == null) {
        throw new ConnectionException(ConnectionImpl.TPEBADDESC, "Session does not exist: " + cd);
    }
    Message message = endpoint.receive(flags);
    Buffer buffer = null;
    if (message.type != null && !message.type.equals("")) {
        CodecFactory factory = new CodecFactory(this);
        String coding_type = properties.getProperty("blacktie." + message.serviceName + ".coding_type");
        Codec codec = factory.getCodec(coding_type);
        buffer = codec.decode(message.type, message.subtype, message.data, message.len);
    // buffer = tpalloc(message.type, message.subtype, message.len);
    // buffer.deserialize(message.data);
    }
    if (message.rval == ConnectionImpl.TPFAIL) {
        if (message.rcode == ConnectionImpl.TPESVCERR) {
            throw new ResponseException(ConnectionImpl.TPESVCERR, "Got an error back from the remote service", -1, message.rcode, buffer);
        }
        throw new ResponseException(ConnectionImpl.TPESVCFAIL, "Got a fail back from the remote service", -1, message.rcode, buffer);
    } else {
        Response response = new Response(cd, message.rval, message.rcode, buffer, message.flags);
        log.debug("received returned a response? " + (response == null ? "false" : "true"));
        return response;
    }
}