Examples of de.uniluebeck.itm.ncoap.communication.dispatching.client.Token

Package de.uniluebeck.itm.ncoap.communication.dispatching.client

Examples of de.uniluebeck.itm.ncoap.communication.dispatching.client.Token

de.uniluebeck.itm.ncoap.communication.dispatching.client.Token
A {@link Token} is the identifier to relate {@link CoapRequest}s with {@link CoapResponse}s. It consists of a byte array with a size between 0 and 8 (both inclusive). So, {@link Token} basically is a wrapper class for a byte array.The byte array content has no semantic meaning and thus, e.g. a {@link Token} instance backed by a bytearray containing a single zero byte (all bits set to 0) is different from a byte array backed by a byte array containing two zero bytes. @author Oliver Kleine


                 if(messageCode == MessageCode.Name.EMPTY){
                     log.info("Received empty ACK (remote endpoint: {}, message ID: {}).", remoteEndpoint,
                             messageID);
                     ((OutboundReliableMessageTransfer) messageExchange).setConfirmed();
                     Token token = messageExchange.getToken();
                     Channels.fireMessageReceived(ctx, new EmptyAckReceivedEvent(remoteEndpoint, messageID, token));


                     me.getFuture().setSuccess();
                 }
                 else{
                     log.info("Received non-empty ACK (remote endpoint: {}, message ID: {}).",
                             remoteEndpoint, messageID);


                     ((OutboundReliableMessageTransfer) messageExchange).setConfirmed();
                     ctx.sendUpstream(me);
                 }




             }


             else{
                 log.warn("No open CON found for ACK (remote endpoint: {}, message ID: {})", remoteEndpoint, messageID);
             }
         }


         else if(messageType == MessageType.Name.RST){
             OutboundMessageTransfer messageExchange = removeTransfer(remoteEndpoint, messageID);


             if(messageExchange != null){


                 if(messageExchange instanceof OutboundReliableMessageTransfer){
                     ((OutboundReliableMessageTransfer) messageExchange).setConfirmed();
                 }


                 Token token = messageExchange.getToken();
                 Channels.fireMessageReceived(ctx, new ResetReceivedEvent(remoteEndpoint, messageID, token));
             }


             else{
                 log.warn("No open CON found for RST (remote endpoint: {}, message ID: {})", remoteEndpoint, messageID);

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    private void handleObservationCancelledEvent(ObservationCancelledEvent event) {
        log.info("{}", event);
        InetSocketAddress remoteEndpoint = event.getRemoteEndpoint();
        Token token = event.getToken();
        stopObservation(remoteEndpoint, token);
    }

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        CoapRequest coapRequest = (CoapRequest) me.getMessage();


        long observe = coapRequest.getObserve();
        if(observe != UintOptionValue.UNDEFINED){
            InetSocketAddress remoteEndpoint = (InetSocketAddress) me.getRemoteAddress();
            Token token = coapRequest.getToken();


            if(observe == 0){
                log.debug("Add observation (remote endpoint: {}, token: {})", remoteEndpoint, token);
                startObservation(remoteEndpoint, token);
            }

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    private void handleResetReceivedEvent(ChannelHandlerContext ctx, MessageEvent me) {
        ResetReceivedEvent event = (ResetReceivedEvent) me.getMessage();
        InetSocketAddress remoteEndpoint = event.getRemoteEndpoint();
        Token token = event.getToken();


        if(this.observations.contains(remoteEndpoint, token)){
            stopObservation(remoteEndpoint, token);
        }

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    private void handleIncomingCoapResponse(ChannelHandlerContext ctx, MessageEvent me) {


        CoapResponse coapResponse = (CoapResponse) me.getMessage();


        InetSocketAddress remoteEndpoint = (InetSocketAddress) me.getRemoteAddress();
        Token token = coapResponse.getToken();


        //Current response is NO update notification or is an error response (which SHOULD implicate the first)
        if(!coapResponse.isUpdateNotification() || MessageCode.isErrorMessage(coapResponse.getMessageCode())){
            if(observations.contains(remoteEndpoint, token)){
                log.info("Stop observation (remote address: {}, token: {}) due to received response: {}",

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    }


    private void handleMessageTransferEvent(MessageTransferEvent event) {
        log.debug("Inbound: {}", event);
        InetSocketAddress remoteEndpoint = event.getRemoteEndpoint();
        Token token = event.getToken();


        try{
            observationsLock.readLock().lock();
            if(!this.observations.contains(remoteEndpoint, token)){
                return;

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        //Look up web service instance to handle the request
        final Webservice webservice = registeredServices.get(coapRequest.getUriPath());


        if(coapRequest.getObserve() == 1 && webservice instanceof ObservableWebservice){
            Token token = coapRequest.getToken();
            if(((ObservableWebservice) webservice).removeObservation(remoteEndpoint, token)){
                log.info("Stopped observation due to GET request with observe = 1 (remote endpoint: {}, token: {})",
                        remoteEndpoint, token);
            }
            else{

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