Examples with ExchangeObserver org.eclipse.californium.core.network.ExchangeObserver used on opensource projects

Example 1 with ExchangeObserver

use of org.eclipse.californium.core.network.ExchangeObserver in project thingsboard by thingsboard.

the class CoapTransportResource method processRequest.

private Optional<SessionId> processRequest(CoapExchange exchange, MsgType type) {
    log.trace("Processing {}", exchange.advanced().getRequest());
    exchange.accept();
    Exchange advanced = exchange.advanced();
    Request request = advanced.getRequest();
    Optional<DeviceCredentialsFilter> credentials = decodeCredentials(request);
    if (!credentials.isPresent()) {
        exchange.respond(ResponseCode.BAD_REQUEST);
        return Optional.empty();
    }
    CoapSessionCtx ctx = new CoapSessionCtx(exchange, adaptor, processor, authService, timeout);
    if (!ctx.login(credentials.get())) {
        exchange.respond(ResponseCode.UNAUTHORIZED);
        return Optional.empty();
    }
    AdaptorToSessionActorMsg msg;
    try {
        switch(type) {
            case GET_ATTRIBUTES_REQUEST:
            case POST_ATTRIBUTES_REQUEST:
            case POST_TELEMETRY_REQUEST:
            case TO_DEVICE_RPC_RESPONSE:
            case TO_SERVER_RPC_REQUEST:
                ctx.setSessionType(SessionType.SYNC);
                msg = adaptor.convertToActorMsg(ctx, type, request);
                break;
            case SUBSCRIBE_ATTRIBUTES_REQUEST:
            case SUBSCRIBE_RPC_COMMANDS_REQUEST:
                ExchangeObserver systemObserver = (ExchangeObserver) observerField.get(advanced);
                advanced.setObserver(new CoapExchangeObserverProxy(systemObserver, ctx));
                ctx.setSessionType(SessionType.ASYNC);
                msg = adaptor.convertToActorMsg(ctx, type, request);
                break;
            case UNSUBSCRIBE_ATTRIBUTES_REQUEST:
            case UNSUBSCRIBE_RPC_COMMANDS_REQUEST:
                ctx.setSessionType(SessionType.ASYNC);
                msg = adaptor.convertToActorMsg(ctx, type, request);
                break;
            default:
                log.trace("[{}] Unsupported msg type: {}", ctx.getSessionId(), type);
                throw new IllegalArgumentException("Unsupported msg type: " + type);
        }
        log.trace("Processing msg: {}", msg);
        processor.process(new BasicToDeviceActorSessionMsg(ctx.getDevice(), msg));
    } catch (AdaptorException e) {
        log.debug("Failed to decode payload {}", e);
        exchange.respond(ResponseCode.BAD_REQUEST, e.getMessage());
        return Optional.empty();
    } catch (IllegalArgumentException | IllegalAccessException e) {
        log.debug("Failed to process payload {}", e);
        exchange.respond(ResponseCode.INTERNAL_SERVER_ERROR, e.getMessage());
    }
    return Optional.of(ctx.getSessionId());
}