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.corundumstudio.socketio.transport.PollingTransport.java

License:Apache License

private void onOptions(UUID sessionId, ChannelHandlerContext ctx, String origin) {
    ClientHead client = clientsBox.get(sessionId);
    if (client == null) {
        log.error("{} is not registered. Closing connection", sessionId);
        sendError(ctx);//from www  . j a  v  a  2s .co  m
        return;
    }

    ctx.channel().writeAndFlush(new XHROptionsMessage(origin, sessionId));
}

From source file:com.corundumstudio.socketio.transport.PollingTransport.java

License:Apache License

private void onPost(UUID sessionId, ChannelHandlerContext ctx, String origin, ByteBuf content)
        throws IOException {
    ClientHead client = clientsBox.get(sessionId);
    if (client == null) {
        log.error("{} is not registered. Closing connection", sessionId);
        sendError(ctx);/*from  w  w  w .  j a  v  a 2s .  c om*/
        return;
    }

    // release POST response before message processing
    ctx.channel().writeAndFlush(new XHRPostMessage(origin, sessionId));

    Boolean b64 = ctx.channel().attr(EncoderHandler.B64).get();
    if (b64 != null && b64) {
        Integer jsonIndex = ctx.channel().attr(EncoderHandler.JSONP_INDEX).get();
        content = decoder.preprocessJson(jsonIndex, content);
    }

    ctx.pipeline().fireChannelRead(new PacketsMessage(client, content, Transport.POLLING));
}

From source file:com.corundumstudio.socketio.transport.PollingTransport.java

License:Apache License

protected void onGet(UUID sessionId, ChannelHandlerContext ctx, String origin) {
    ClientHead client = clientsBox.get(sessionId);
    if (client == null) {
        log.error("{} is not registered. Closing connection", sessionId);
        sendError(ctx);/*from  w  ww.j a v  a2 s  .  c  o  m*/
        return;
    }

    client.bindChannel(ctx.channel(), Transport.POLLING);

    authorizeHandler.connect(client);
}

From source file:com.corundumstudio.socketio.transport.PollingTransport.java

License:Apache License

private void sendError(ChannelHandlerContext ctx) {
    HttpResponse res = new DefaultHttpResponse(HTTP_1_1, HttpResponseStatus.INTERNAL_SERVER_ERROR);
    ctx.channel().writeAndFlush(res).addListener(ChannelFutureListener.CLOSE);
}

From source file:com.corundumstudio.socketio.transport.WebSocketTransport.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (msg instanceof CloseWebSocketFrame) {
        ctx.channel().close();
        ReferenceCountUtil.release(msg);
    } else if (msg instanceof BinaryWebSocketFrame || msg instanceof TextWebSocketFrame) {
        ByteBufHolder frame = (ByteBufHolder) msg;
        ClientHead client = clientsBox.get(ctx.channel());
        if (client == null) {
            log.debug("Client with was already disconnected. Channel closed!");
            ctx.channel().close();//from www .jav  a2  s . c om
            frame.release();
            return;
        }

        ctx.pipeline().fireChannelRead(new PacketsMessage(client, frame.content(), Transport.WEBSOCKET));
        frame.release();
    } else if (msg instanceof FullHttpRequest) {
        FullHttpRequest req = (FullHttpRequest) msg;
        QueryStringDecoder queryDecoder = new QueryStringDecoder(req.getUri());
        String path = queryDecoder.path();
        List<String> transport = queryDecoder.parameters().get("transport");
        List<String> sid = queryDecoder.parameters().get("sid");

        if (transport != null && NAME.equals(transport.get(0))) {
            try {
                if (!configuration.getTransports().contains(Transport.WEBSOCKET)) {
                    log.debug("{} transport not supported by configuration.", Transport.WEBSOCKET);
                    ctx.channel().close();
                    return;
                }
                if (sid != null && sid.get(0) != null) {
                    final UUID sessionId = UUID.fromString(sid.get(0));
                    handshake(ctx, sessionId, path, req);
                } else {
                    ClientHead client = ctx.channel().attr(ClientHead.CLIENT).get();
                    // first connection
                    handshake(ctx, client.getSessionId(), path, req);
                }
            } finally {
                req.release();
            }
        } else {
            ctx.fireChannelRead(msg);
        }
    } else {
        ctx.fireChannelRead(msg);
    }
}

From source file:com.corundumstudio.socketio.transport.WebSocketTransport.java

License:Apache License

@Override
public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
    ClientHead client = clientsBox.get(ctx.channel());
    if (client != null && client.isTransportChannel(ctx.channel(), Transport.WEBSOCKET)) {
        ctx.flush();//from ww  w. j a  va2s.  c om
    } else {
        super.channelReadComplete(ctx);
    }
}

From source file:com.corundumstudio.socketio.transport.WebSocketTransport.java

License:Apache License

@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception {
    ClientHead client = clientsBox.get(ctx.channel());
    if (client != null && client.isTransportChannel(ctx.channel(), Transport.WEBSOCKET)) {
        log.debug("channel inactive {}", client.getSessionId());
        client.onChannelDisconnect();//from  w  ww  .  ja  va  2s .c om
    }
    super.channelInactive(ctx);
}

From source file:com.corundumstudio.socketio.transport.WebSocketTransport.java

License:Apache License

private void handshake(ChannelHandlerContext ctx, final UUID sessionId, String path, FullHttpRequest req) {
    final Channel channel = ctx.channel();

    WebSocketServerHandshakerFactory factory = new WebSocketServerHandshakerFactory(getWebSocketLocation(req),
            null, false, configuration.getMaxFramePayloadLength());
    WebSocketServerHandshaker handshaker = factory.newHandshaker(req);
    if (handshaker != null) {
        ChannelFuture f = handshaker.handshake(channel, req);
        f.addListener(new ChannelFutureListener() {
            @Override/* w  ww. j a v a  2  s.c  o m*/
            public void operationComplete(ChannelFuture future) throws Exception {
                if (!future.isSuccess()) {
                    log.error("Can't handshake " + sessionId, future.cause());
                    return;
                }

                channel.pipeline().addBefore(SocketIOChannelInitializer.WEB_SOCKET_TRANSPORT,
                        SocketIOChannelInitializer.WEB_SOCKET_AGGREGATOR,
                        new WebSocketFrameAggregator(configuration.getMaxFramePayloadLength()));
                connectClient(channel, sessionId);
            }
        });
    } else {
        WebSocketServerHandshakerFactory.sendUnsupportedVersionResponse(ctx.channel());
    }
}

From source file:com.corundumstudio.socketio.transport.XHRPollingTransport.java

License:Apache License

private void handleMessage(FullHttpRequest req, QueryStringDecoder queryDecoder, ChannelHandlerContext ctx)
        throws IOException {
    String[] parts = queryDecoder.path().split("/");
    if (parts.length > 3) {
        UUID sessionId = UUID.fromString(parts[4]);

        String origin = req.headers().get(HttpHeaders.Names.ORIGIN);
        if (queryDecoder.parameters().containsKey("disconnect")) {
            MainBaseClient client = sessionId2Client.get(sessionId);
            client.onChannelDisconnect();
            ctx.channel().writeAndFlush(new XHROutMessage(origin, sessionId));
        } else if (HttpMethod.POST.equals(req.getMethod())) {
            onPost(sessionId, ctx, origin, req.content());
        } else if (HttpMethod.GET.equals(req.getMethod())) {
            onGet(sessionId, ctx, origin);
        }//from w  w w.  j  av a  2s. c o m
    } else {
        log.warn("Wrong {} method request path: {}, from ip: {}. Channel closed!", req.getMethod(), path,
                ctx.channel().remoteAddress());
        ctx.channel().close();
    }
}

From source file:com.corundumstudio.socketio.transport.XHRPollingTransport.java

License:Apache License

private void onPost(UUID sessionId, ChannelHandlerContext ctx, String origin, ByteBuf content)
        throws IOException {
    XHRPollingClient client = sessionId2Client.get(sessionId);
    if (client == null) {
        log.debug("Client with sessionId: {} was already disconnected. Channel closed!", sessionId);
        ctx.channel().close();
        return;/*from   w  w  w. j a v a  2s.c  om*/
    }

    // release POST response before message processing
    ctx.channel().writeAndFlush(new XHROutMessage(origin, sessionId));
    ctx.pipeline().fireChannelRead(new PacketsMessage(client, content));
}