Example usage for io.netty.channel ChannelHandlerContext channel

Introduction

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

Prototype

Channel channel();

Source Link

Document

Return the Channel which is bound to the ChannelHandlerContext .

Usage

From source file:com.caricah.iotracah.server.httpserver.netty.HttpServerHandler.java

License:Apache License

@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {

    try {/*w  ww.j a  v a  2  s  .  c  o m*/
        log.info(" exceptionCaught : Unhandled exception: ", cause);

        JSONObject error = new JSONObject();
        error.put("message", cause.getMessage());
        error.put("status", "failure");

        ByteBuf buffer = Unpooled.copiedBuffer(error.toString(), CharsetUtil.UTF_8);

        // Build the response object.
        FullHttpResponse httpResponse = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
                HttpResponseStatus.INTERNAL_SERVER_ERROR, buffer);

        ctx.channel().writeAndFlush(httpResponse).addListener(ChannelFutureListener.CLOSE);
    } catch (Exception ex) {
        log.debug(" exceptionCaught : trying to close socket because we got an unhandled exception", ex);
    }

}

From source file:com.caricah.iotracah.server.mqttserver.netty.MqttServerHandler.java

License:Apache License

/**
 * Is called for each message of type {@link MqttMessage}.
 *
 * @param ctx the {@link ChannelHandlerContext} which this {@link SimpleChannelInboundHandler}
 *            belongs to/* www . ja  va  2s  .co m*/
 * @param msg the message to handle
 * @throws Exception is thrown if an error occurred
 */
@Override
protected void messageReceived(ChannelHandlerContext ctx, MqttMessage msg) throws Exception {

    log.debug(" messageReceived : received the message {}", msg);

    String connectionId = ctx.channel().attr(ServerImpl.REQUEST_CONNECTION_ID).get();
    String sessionId = ctx.channel().attr(ServerImpl.REQUEST_SESSION_ID).get();

    getInternalServer().pushToWorker(connectionId, sessionId, msg);
}

From source file:com.caricah.iotracah.server.mqttserver.netty.MqttServerHandler.java

License:Apache License

@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {

    try {//from   www.  j  a va  2 s.c  o m
        log.info(" exceptionCaught : Unhandled exception: ", cause);

        getServerImpl().closeClient(ctx.channel().id().asLongText());

    } catch (Exception ex) {
        log.debug(" exceptionCaught : trying to close socket because we got an unhandled exception", ex);
    }

}

From source file:com.caricah.iotracah.server.netty.ServerHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    Channel channel = ctx.channel();
    ChannelGroup channelGroup = getServerImpl().getChannelGroup();

    ctx.channel().attr(ServerImpl.REQUEST_CONNECTION_ID).set(channel.id().asLongText());

    channelGroup.add(channel);//w  ww  .j  av a2s  . c  o m
    super.channelActive(ctx);
}

From source file:com.caricah.iotracah.server.netty.ServerHandler.java

License:Apache License

@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception {
    super.channelInactive(ctx);

    String sessionId = ctx.channel().attr(ServerImpl.REQUEST_SESSION_ID).get();

    if (null != sessionId) {

        String connectionId = ctx.channel().attr(ServerImpl.REQUEST_CONNECTION_ID).get();

        getInternalServer().dirtyDisconnect(connectionId, sessionId);

    }/*  ww w. ja  v  a2 s . c  o  m*/
}

From source file:com.carlos.netty.server.ObjectEchoServerHandler.java

License:Apache License

@Override
public void channelActive(final ChannelHandlerContext ctx) {
    channels.add(ctx.channel());
}

From source file:com.changxx.phei.netty.protocol.websocket.server.WebSocketServerHandler.java

License:Apache License

private void handleHttpRequest(ChannelHandlerContext ctx, FullHttpRequest req) throws Exception {

    // HTTP?HHTP//from ww  w .  j  av a 2  s  .c  om
    if (!req.getDecoderResult().isSuccess() || (!"websocket".equals(req.headers().get("Upgrade")))) {
        sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1, BAD_REQUEST));
        return;
    }

    // ??
    WebSocketServerHandshakerFactory wsFactory = new WebSocketServerHandshakerFactory(
            "ws://localhost:8080/websocket", null, false);
    handshaker = wsFactory.newHandshaker(req);
    if (handshaker == null) {
        WebSocketServerHandshakerFactory.sendUnsupportedWebSocketVersionResponse(ctx.channel());
    } else {
        handshaker.handshake(ctx.channel(), req);
    }
}

From source file:com.chenyang.proxy.http.HttpIdleHandler.java

License:Apache License

@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {

    if (evt instanceof IdleStateEvent) {
        logger.warn(" time out and close");
        ctx.channel().close();
    }/*from w ww.j  ava  2s.c  o m*/
}

From source file:com.chenyang.proxy.http.HttpRelayHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {

    if (!ctx.channel().config().getOption(ChannelOption.AUTO_READ)) {
        ctx.read();//w w w.j  a  v  a  2s  .  c o  m
    }
}

From source file:com.chenyang.proxy.http.HttpRelayHandler.java

License:Apache License

@Override
public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exception {

    if (relayChannel.isActive()) {
        relayChannel.writeAndFlush(msg).addListener(new ChannelFutureListener() {
            @Override//from  w w  w  .j  a  v a 2s.  com
            public void operationComplete(ChannelFuture future) throws Exception {
                if (!ctx.channel().config().getOption(ChannelOption.AUTO_READ)) {
                    ctx.read();
                }
            }
        });
    } else {
        ReferenceCountUtil.release(msg);
    }

}