Examples with ServerTimerEnquire org.mobicents.tools.smpp.balancer.timers.ServerTimerEnquire used on opensource projects

Example 1 with ServerTimerEnquire

use of org.mobicents.tools.smpp.balancer.timers.ServerTimerEnquire in project load-balancer by RestComm.

the class MClientConnectionImpl method packetReceived.

@Override
public void packetReceived(Pdu packet) {
    switch(clientState) {
        case INITIAL:
        case OPEN:
            logger.error("LB received packet in initial or open state. client session ID : " + serverSessionID + ". packet : " + packet);
            break;
        case BINDING:
            Boolean correctPacket = false;
            switch(config.getType()) {
                case TRANSCEIVER:
                    if (packet.getCommandId() == SmppConstants.CMD_ID_BIND_TRANSCEIVER_RESP)
                        correctPacket = true;
                    break;
                case RECEIVER:
                    if (packet.getCommandId() == SmppConstants.CMD_ID_BIND_RECEIVER_RESP)
                        correctPacket = true;
                    break;
                case TRANSMITTER:
                    if (packet.getCommandId() == SmppConstants.CMD_ID_BIND_TRANSMITTER_RESP)
                        correctPacket = true;
                    break;
            }
            if (!correctPacket)
                logger.error("LB received invalid packet in binding state. server session ID : " + serverSessionID + ". packet : " + packet);
            else {
                if (packet.getCommandStatus() == SmppConstants.STATUS_OK) {
                    logger.info("Connection to client : " + config.getHost() + " : " + config.getPort() + " established. client session ID : " + serverSessionID);
                    if (logger.isDebugEnabled())
                        logger.debug("LB received bind response (" + packet + ") from client " + channel.getRemoteAddress().toString() + ". client session ID : " + serverSessionID);
                    enquireRunnable = new ServerTimerEnquire(this);
                    enquireTimer = monitorExecutor.scheduleAtFixedRate(enquireRunnable, timeoutEnquire, timeoutEnquire, TimeUnit.MILLISECONDS);
                    clientState = ClientState.BOUND;
                    userSpace.bindSuccesfull(node, serverSessionID);
                } else {
                    logger.error("Binding to server is unsuccesful.serverSessionId" + serverSessionID + " , error code: " + packet.getCommandStatus());
                    closeChannel();
                    userSpace.bindFailed(serverSessionID, packet);
                    clientState = ClientState.CLOSED;
                }
            }
            break;
        case BOUND:
            correctPacket = false;
            switch(packet.getCommandId()) {
                case SmppConstants.CMD_ID_CANCEL_SM_RESP:
                case SmppConstants.CMD_ID_DATA_SM_RESP:
                case SmppConstants.CMD_ID_QUERY_SM_RESP:
                case SmppConstants.CMD_ID_REPLACE_SM_RESP:
                case SmppConstants.CMD_ID_SUBMIT_SM_RESP:
                case SmppConstants.CMD_ID_SUBMIT_MULTI_RESP:
                    if (logger.isDebugEnabled())
                        logger.debug("LB received SMPP response (" + packet + ") form client " + channel.getRemoteAddress().toString() + ". client session ID: " + serverSessionID);
                    CustomerPacket originalCustomerPacket = sequenceCustomerMap.remove(packet.getSequenceNumber());
                    correctPacket = true;
                    userSpace.sendResponseToClient(originalCustomerPacket, packet);
                    break;
                case SmppConstants.CMD_ID_ENQUIRE_LINK_RESP:
                    if (logger.isDebugEnabled())
                        logger.debug("LB received enquire_link response from client " + channel.getRemoteAddress().toString() + " with client session ID : " + serverSessionID);
                    updateLastTimeSMPPLinkUpdated();
                    correctPacket = true;
                    connectionCheck.cancel();
                    connectionCheckServerSideTimer.cancel(false);
                    userSpace.enquireLinkReceivedFromServer();
                    break;
                case SmppConstants.CMD_ID_DATA_SM:
                case SmppConstants.CMD_ID_DELIVER_SM:
                case SmppConstants.CMD_ID_GENERIC_NACK:
                    if (logger.isDebugEnabled())
                        logger.debug("LB received SMPP request (" + packet + ") from client " + channel.getRemoteAddress().toString() + ". client session ID : " + serverSessionID);
                    lastSequenceNumberSent.getAndIncrement();
                    correctPacket = true;
                    ServerTimerResponse response = new ServerTimerResponse(this, packet);
                    packetMap.put(packet.getSequenceNumber(), new TimerData(packet, monitorExecutor.schedule(response, timeoutResponse, TimeUnit.MILLISECONDS), response));
                    userSpace.sendRequestToClient(packet, serverSessionID);
                    break;
                case SmppConstants.CMD_ID_ENQUIRE_LINK:
                    if (logger.isDebugEnabled())
                        logger.debug("LB received enquire_link request from client " + channel.getRemoteAddress().toString() + ". client session ID : " + serverSessionID);
                    updateLastTimeSMPPLinkUpdated();
                    correctPacket = true;
                    EnquireLinkResp resp = new EnquireLinkResp();
                    resp.setSequenceNumber(packet.getSequenceNumber());
                    sendSmppResponse(resp);
                    break;
                case SmppConstants.CMD_ID_UNBIND:
                    if (logger.isDebugEnabled())
                        logger.debug("LB received unbind request from client " + channel.getRemoteAddress().toString() + ". client session ID : " + serverSessionID);
                    enquireRunnable.cancel();
                    enquireTimer.cancel(false);
                    connectionCheckServerSideTimer.cancel(false);
                    correctPacket = true;
                    response = new ServerTimerResponse(this, packet);
                    packetMap.put(packet.getSequenceNumber(), new TimerData(packet, monitorExecutor.schedule(response, timeoutResponse, TimeUnit.MILLISECONDS), response));
                    userSpace.unbindRequestedFromServer((Unbind) packet, serverSessionID);
                    clientState = ClientState.UNBINDING;
                    break;
            }
            if (!correctPacket) {
                logger.error("LB received invalid packet in bound state. server session ID : " + serverSessionID + ". packet : " + packet);
            }
            break;
        case REBINDING:
            switch(packet.getCommandId()) {
                case SmppConstants.CMD_ID_BIND_RECEIVER_RESP:
                case SmppConstants.CMD_ID_BIND_TRANSCEIVER_RESP:
                case SmppConstants.CMD_ID_BIND_TRANSMITTER_RESP:
                    if (packet.getCommandStatus() == SmppConstants.STATUS_OK) {
                        if (logger.isDebugEnabled())
                            logger.debug("Connection reconnected to client " + channel.getRemoteAddress().toString() + ". client session ID : " + serverSessionID);
                        updateLastTimeSMPPLinkUpdated();
                        connectionCheckServerSideTimer = monitorExecutor.scheduleAtFixedRate(connectionCheck, timeoutConnection, timeoutConnection, TimeUnit.MILLISECONDS);
                        if (enquireTimer != null) {
                            enquireRunnable.cancel();
                            enquireTimer.cancel(false);
                        }
                        enquireRunnable = new ServerTimerEnquire(this);
                        enquireTimer = monitorExecutor.scheduleAtFixedRate(enquireRunnable, timeoutEnquire, timeoutEnquire, TimeUnit.MILLISECONDS);
                        userSpace.reconnectSuccesful(serverSessionID, this);
                        clientState = ClientState.BOUND;
                    } else {
                        if (logger.isDebugEnabled())
                            logger.debug("Reconnection to client unsuccessful. client session ID : " + serverSessionID + ". LB will disconnect all servers!");
                        userSpace.unbindRequestedFromServer(new Unbind(), serverSessionID);
                    }
            }
            break;
        case UNBINDING:
            correctPacket = false;
            if (packet.getCommandId() == SmppConstants.CMD_ID_UNBIND_RESP)
                correctPacket = true;
            if (!correctPacket)
                logger.error("LB received invalid packet in unbinding state. client session ID : " + serverSessionID + ". packet : " + packet);
            else {
                if (logger.isDebugEnabled())
                    logger.debug("LB received unbind response form client " + channel.getRemoteAddress().toString() + ". client sessionId : " + serverSessionID);
                sequenceMap.clear();
                packetMap.clear();
                closeChannel();
                clientState = ClientState.CLOSED;
            }
            break;
        case CLOSED:
            logger.error("LB received packet in closed state. client session ID : " + serverSessionID + ". packet : " + packet);
            break;
    }
}