Example usage for io.netty.channel ChannelFuture cause

Introduction

In this page you can find the example usage for io.netty.channel ChannelFuture cause.

Prototype

Throwable cause();

Source Link

Document

Returns the cause of the failed I/O operation if the I/O operation has failed.

Usage

From source file:org.ballerinalang.net.http.nativeimpl.connection.CancelWebSocketUpgrade.java

License:Open Source License

@Override
public void execute(Context context, CallableUnitCallback callback) {
    try {/*from   w ww .  j a v  a2  s.c  om*/
        BMap<String, BValue> httpConnection = (BMap<String, BValue>) context.getRefArgument(0);
        int statusCode = (int) context.getIntArgument(0);
        String reason = context.getStringArgument(0);
        WebSocketHandshaker webSocketHandshaker = (WebSocketHandshaker) httpConnection
                .getNativeData(WebSocketConstants.WEBSOCKET_MESSAGE);
        if (webSocketHandshaker == null) {
            throw new BallerinaConnectorException("Not a WebSocket upgrade request. Cannot cancel the request");
        }
        ChannelFuture future = webSocketHandshaker.cancelHandshake(statusCode, reason);
        future.addListener((ChannelFutureListener) channelFuture -> {
            Throwable cause = future.cause();
            if (!future.isSuccess() && cause != null) {
                context.setReturnValues(HttpUtil.getError(context, cause));
            } else {
                context.setReturnValues();
            }
            if (channelFuture.channel().isOpen()) {
                channelFuture.channel().close();
            }
            callback.notifySuccess();
        });
    } catch (Exception e) {
        //Return this error.
        context.setReturnValues(HttpUtil.getError(context, e));
        callback.notifySuccess();
    }
}

From source file:org.ballerinalang.test.util.http2.HTTP2ResponseHandler.java

License:Open Source License

/**
 * Provide asynchronous response to HTTP2 request.
 *
 * @param streamId StreamID/*w  ww . java 2  s. c o m*/
 * @return Response string
 */
public FullHttpResponse getResponse(int streamId) {

    FullHttpResponse message = streamIdResponseMap.get(streamId);
    if (message != null) {
        return message;
    } else {
        Entry<ChannelFuture, ChannelPromise> channelFutureChannelPromiseEntry = streamIdPromiseMap
                .get(streamId);
        if (channelFutureChannelPromiseEntry != null) {
            ChannelFuture writeFuture = channelFutureChannelPromiseEntry.getKey();
            if (!writeFuture.awaitUninterruptibly(TestConstant.HTTP2_RESPONSE_TIME_OUT,
                    TestConstant.HTTP2_RESPONSE_TIME_UNIT)) {
                streamIdPromiseMap.remove(streamId);
                throw new IllegalStateException("Timed out waiting to write for stream id " + streamId);
            }
            if (!writeFuture.isSuccess()) {
                streamIdPromiseMap.remove(streamId);
                throw new RuntimeException(writeFuture.cause());
            }
            ChannelPromise promise = channelFutureChannelPromiseEntry.getValue();
            if (!promise.awaitUninterruptibly(TestConstant.HTTP2_RESPONSE_TIME_OUT,
                    TestConstant.HTTP2_RESPONSE_TIME_UNIT)) {
                streamIdPromiseMap.remove(streamId);
                throw new IllegalStateException("Timed out waiting for response on stream id " + streamId);
            }
            if (!promise.isSuccess()) {
                streamIdPromiseMap.remove(streamId);
                throw new RuntimeException(promise.cause());
            }
        }
    }
    return streamIdResponseMap.get(streamId);
}

From source file:org.betawares.jorre.handlers.client.ClientHeartbeatHandler.java

License:Open Source License

/**
 * Send a ping message to the server.//ww w  .  ja v  a 2 s.com
 * 
 * @throws CommunicationException thrown if there is an error sending the ping message
 */
public void pingServer() throws CommunicationException {
    ctx.writeAndFlush(PING).addListener((ChannelFutureListener) (ChannelFuture future) -> {
        if (!future.isSuccess()) {
            logger.error("Communication error", future.cause());
            throw new CommunicationException("Error pinging server", future.cause());
        }
    });
}

From source file:org.betawares.jorre.handlers.client.ClientMessageHandler.java

License:Open Source License

/**
 * Send a {@link ServerMessage} to the {@link Server}
 * //from   w w  w.ja  va  2s .  c o  m
 * @param message   the {@link ServerMessage} to send
 * @throws CommunicationException   thrown if there is an error while sending the message
 */
public void sendMessage(ServerMessage message) throws CommunicationException {
    if (!ctx.channel().isActive()) {
        logger.error("Connection is not active");
        throw new CommunicationException("No connection to server");
    }
    ctx.writeAndFlush(message).addListener((ChannelFutureListener) (ChannelFuture future) -> {
        if (future.isSuccess()) {
            message.setSentTS();
        } else {
            logger.error("Communication error", future.cause());
            throw new CommunicationException("Communication error", future.cause());
        }
    });
}

From source file:org.betawares.jorre.handlers.client.ClientMessageHandler.java

License:Open Source License

/**
 * Send a {@link ServerRequest} to the {@link Server} and return a {@link ResponseFuture}
 * /*from   w  w w . j  ava  2 s. c  om*/
 * @param request   the {@link ServerRequest} to send to the {@link Server}
 * @return  a {@link ResponseFuture} that will be notified when the response has been received
 * @throws CommunicationException   thrown if there is an error while sending the request
 */
public ResponseFuture sendRequest(ServerRequest request) throws CommunicationException {
    if (!ctx.channel().isActive()) {
        logger.error("Connection is not active");
        throw new CommunicationException("No connection to server");
    }

    ResponseFuture response = new ResponseFuture();
    ctx.writeAndFlush(request).addListener((ChannelFutureListener) (ChannelFuture future) -> {
        if (future.isSuccess()) {
            request.setSentTS();
            // add the ResponseFuture to the map so that we can later map the respsone to it
            responseMap.put(request.id(), response);
        } else {
            logger.error("Communication error", future.cause());
            response.completeExceptionally(future.cause());
        }
    });
    return response;
}

From source file:org.betawares.jorre.handlers.PingMessageHandler.java

License:Open Source License

@Override
protected void channelRead0(ChannelHandlerContext ctx, PingMessage msg) {
    //always respond to a ping with a pong
    ctx.writeAndFlush(PONG).addListener((ChannelFutureListener) (ChannelFuture future) -> {
        if (!future.isSuccess()) {
            logger.error("Communication error", future.cause());
        }/*  www .j  a  va  2  s .  co  m*/
    });
    logger.debug("Received ping.  Sending pong.");
}

From source file:org.betawares.jorre.handlers.server.ServerHeartbeatHandler.java

License:Open Source License

/**
 * Send a ping message to the client./*from   w  w  w. j a v  a  2 s .c  o m*/
 */
public void pingClient() {
    startTime = System.nanoTime();
    ctx.writeAndFlush(PING).addListener((ChannelFutureListener) (ChannelFuture future) -> {
        if (!future.isSuccess()) {
            logger.error("Communication error", future.cause());
        }
    });
}

From source file:org.betawares.jorre.messages.requests.ConnectClientRequest.java

License:Open Source License

private void respond(ConnectClientResponse response, ChannelHandlerContext ctx) {
    response.requestId(id);/*ww  w . j av  a2  s  .  c om*/
    if (!ctx.channel().isActive()) {
        logger.error("Connection is not active");
        return;
    }
    ctx.writeAndFlush(response).addListener((ChannelFutureListener) (ChannelFuture future) -> {
        if (!future.isSuccess()) {
            logger.error("Communication error", future.cause());
        }
    });
}

From source file:org.betawares.jorre.messages.requests.ServerRequest.java

License:Open Source License

/**
 * Send a response to the {@link Client}.
 * //from w ww . ja v a 2  s .  co  m
 * @param response  the response object to return of type {@link T}
 * @param ctx       the {@link ChannelHandlerContext} for the {@link Channel} to the {@link Client}
 * 
 * @throws CommunicationException thrown if an error occurs sending the response
 */
protected void respond(ClientResponse<C> response, ChannelHandlerContext ctx) throws CommunicationException {
    // set the reponse id to be the same as the request to that they can be matched
    response.requestId(id);
    if (!ctx.channel().isActive()) {
        logger.error("Connection is not active");
        throw new CommunicationException("No connection to client");
    }
    ctx.writeAndFlush(response).addListener((ChannelFutureListener) (ChannelFuture future) -> {
        if (future.isSuccess())
            response.setSentTS();
        else
            logger.error("Communication error", future.cause());
    });
}

From source file:org.betawares.jorre.Server.java

License:Open Source License

/**
 * Disconnect the specified client from the server.  
 * /*from  ww w.  j  ava  2 s .c o  m*/
 * Overriding classes should always call this super-class implementation.
 * 
 * @param channelId the {@link ChannelId} identifying the client
 * @param reason    the reason that the disconnect is occurring
 * @throws CommunicationException thrown if there is an error while disconnecting the client
 */
@Override
public void disconnectClient(ChannelId channelId, DisconnectReason reason) throws CommunicationException {
    Channel channel = clients.find(channelId);
    if (channel == null)
        throw new CommunicationException("Invalid sessionId during disconnect");
    channel.disconnect().addListener((ChannelFutureListener) (ChannelFuture future) -> {
        if (!future.isSuccess()) {
            logger.error("Communication error", future.cause());
            throw new CommunicationException("Communication error during disconnect", future.cause());
        }
    });
}