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.codebullets.external.party.simulator.connections.websocket.inbound.NettyWebSocketServerHandler.java

License:Apache License

@Override
public void exceptionCaught(final ChannelHandlerContext ctx, final Throwable cause) throws Exception {
    LOG.warn("Exception on web socket server channel name={}, id={}.", connectionName, ctx.channel().id(),
            cause);//  ww w .ja  v a 2s  .  c  om
    ctx.close();
}

From source file:com.codebullets.external.party.simulator.connections.websocket.outbound.KeepAliveHandler.java

License:Apache License

@Override
public void channelInactive(final ChannelHandlerContext ctx) throws Exception {
    isAlive = false;//from w  ww.  j  a  v  a  2s.com

    // start reconnect
    final EventLoop loop = ctx.channel().eventLoop();
    loop.schedule(new Runnable() {
        @Override
        public void run() {
            outboundWebSocketConnection.openConnection();
        }
    }, RECONNECT_DELAY_SEC, TimeUnit.SECONDS);
}

From source file:com.codebullets.external.party.simulator.connections.websocket.outbound.NettyWebSocketClientHandler.java

License:Apache License

@Override
public void channelActive(final ChannelHandlerContext ctx) throws Exception {
    handshaker.handshake(ctx.channel());
}

From source file:com.codebullets.external.party.simulator.connections.websocket.outbound.NettyWebSocketClientHandler.java

License:Apache License

@Override
public void messageReceived(final ChannelHandlerContext ctx, final Object msg) throws Exception {
    Channel ch = ctx.channel();
    if (!handshaker.isHandshakeComplete()) {
        handshaker.finishHandshake(ch, (FullHttpResponse) msg);
        LOG.info("WebSocket client {} connected.", connectionName);
        connectionMonitor.connectionEstablished(getContext(ctx));
        handshakeFuture.setSuccess();/*from  w  ww .j a v  a2  s.  co  m*/
        return;
    }

    if (msg instanceof FullHttpResponse) {
        FullHttpResponse response = (FullHttpResponse) msg;
        throw new Exception("Unexpected FullHttpResponse (getStatus=" + response.getStatus() + ", content="
                + response.content().toString(CharsetUtil.UTF_8) + ')');
    }

    WebSocketFrame frame = (WebSocketFrame) msg;
    if (frame instanceof TextWebSocketFrame) {
        TextWebSocketFrame textFrame = (TextWebSocketFrame) frame;
        LOG.debug("WebSocket client {} received message: " + textFrame.text(), connectionName);
        connectionMonitor.messageReceived(MessageReceivedEvent.create(getContext(ctx), textFrame.text()));
    } else if (frame instanceof BinaryWebSocketFrame) {
        ByteBuf buffer = Unpooled.buffer(frame.content().capacity());
        buffer.writeBytes(frame.content());
        byte[] data = buffer.array();
        LOG.debug("WebSocket client {} received buffer with length " + data.length, connectionName);
        connectionMonitor.messageReceived(MessageReceivedEvent.create(getContext(ctx), buffer));
    } else if (frame instanceof PingWebSocketFrame) {
        LOG.trace("WebSocket client {} received ping.", connectionName);
        ctx.channel().write(new PongWebSocketFrame(frame.content().retain()));
    } else if (frame instanceof CloseWebSocketFrame) {
        LOG.debug("WebSocket client {} received closing frame.", connectionName);
        ch.close();
    }
}

From source file:com.codnos.dbgp.internal.handlers.DBGpServerToClientConnectionHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    LOGGER.fine("Got connection from client!");
    channelGroup.add(ctx.channel());
    super.channelActive(ctx);
}

From source file:com.codnos.dbgp.internal.handlers.DBGpServerToClientConnectionHandler.java

License:Apache License

@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception {
    LOGGER.fine("Client disconnected!");
    channelGroup.remove(ctx.channel());
    super.channelInactive(ctx);
}

From source file:com.corundumstudio.socketio.handler.AuthorizeHandler.java

License:Apache License

@Override
public void channelActive(final ChannelHandlerContext ctx) throws Exception {
    SchedulerKey key = new SchedulerKey(Type.PING_TIMEOUT, ctx.channel());
    disconnectScheduler.schedule(key, new Runnable() {
        @Override/*w ww . j  a  v a2s.co  m*/
        public void run() {
            ctx.channel().close();
            log.debug("Client with ip {} opens channel but not sended any data! Channel closed!",
                    ctx.channel().remoteAddress());
        }
    }, configuration.getFirstDataTimeout(), TimeUnit.MILLISECONDS);
    super.channelActive(ctx);
}

From source file:com.corundumstudio.socketio.handler.AuthorizeHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    SchedulerKey key = new SchedulerKey(Type.PING_TIMEOUT, ctx.channel());
    disconnectScheduler.cancel(key);//  www . java2s  . co  m

    if (msg instanceof FullHttpRequest) {
        FullHttpRequest req = (FullHttpRequest) msg;
        Channel channel = ctx.channel();
        QueryStringDecoder queryDecoder = new QueryStringDecoder(req.getUri());

        if (!configuration.isAllowCustomRequests() && !queryDecoder.path().startsWith(connectPath)) {
            HttpResponse res = new DefaultHttpResponse(HTTP_1_1, HttpResponseStatus.BAD_REQUEST);
            channel.writeAndFlush(res).addListener(ChannelFutureListener.CLOSE);
            req.release();
            log.warn("Blocked wrong request! url: {}, ip: {}", queryDecoder.path(), channel.remoteAddress());
            return;
        }

        List<String> sid = queryDecoder.parameters().get("sid");
        if (queryDecoder.path().equals(connectPath) && sid == null) {
            String origin = req.headers().get(HttpHeaders.Names.ORIGIN);
            if (!authorize(ctx, channel, origin, queryDecoder.parameters(), req)) {
                req.release();
                return;
            }
            // forward message to polling or websocket handler to bind channel
        }
    }
    ctx.fireChannelRead(msg);
}

From source file:com.corundumstudio.socketio.handler.EncoderHandler.java

License:Apache License

private void write(XHROptionsMessage msg, ChannelHandlerContext ctx) {
    HttpResponse res = new DefaultHttpResponse(HTTP_1_1, HttpResponseStatus.OK);

    HttpHeaders.addHeader(res, "Set-Cookie", "io=" + msg.getSessionId());
    HttpHeaders.addHeader(res, CONNECTION, KEEP_ALIVE);
    HttpHeaders.addHeader(res, ACCESS_CONTROL_ALLOW_HEADERS, CONTENT_TYPE);
    addOriginHeaders(ctx.channel(), res);

    ByteBuf out = encoder.allocateBuffer(ctx.alloc());
    sendMessage(msg, ctx.channel(), out, res);
}

From source file:com.corundumstudio.socketio.handler.EncoderHandler.java

License:Apache License

private void write(XHRPostMessage msg, ChannelHandlerContext ctx) {
    ByteBuf out = encoder.allocateBuffer(ctx.alloc());
    out.writeBytes(OK);/*from   w w w . j a  v a  2s.com*/
    sendMessage(msg, ctx.channel(), out, "text/html");
}