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.addthis.meshy.ChannelState.java

License:Apache License

@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
    meshy.updateLastEventTime();//from   ww  w. ja v  a 2 s . c o  m
    log.warn("Netty exception caught. Closing channel. ChannelState: {}", this, cause);
    ctx.channel().close();
}

From source file:com.addthis.meshy.ChannelState.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) {
    buffer = ctx.alloc().buffer(16384);/*from   w w w . j  ava 2  s.  c  o m*/
    meshy.updateLastEventTime();
    channelConnected();
    meshy.channelConnected(ctx.channel(), this);
}

From source file:com.addthis.meshy.ChannelState.java

License:Apache License

@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception {
    try {/*from   w w w .  ja  va  2s  . co m*/
        meshy.updateLastEventTime();
        channelClosed();
        meshy.channelClosed(ctx.channel(), this);
    } finally {
        buffer.release();
    }
}

From source file:com.adobe.acs.livereload.impl.WebSocketServerHandler.java

License:Apache License

private void handleHttpRequest(ChannelHandlerContext ctx, FullHttpRequest req) throws Exception {
    // Handle a bad request.
    if (!req.getDecoderResult().isSuccess()) {
        sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1, BAD_REQUEST));
        return;/*from  w ww .j a  va  2s .  com*/
    }

    // Allow only GET methods.
    if (req.getMethod() != GET) {
        sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1, FORBIDDEN));
        return;
    }

    if ("/".equals(req.getUri()) || "/favicon.ico".equals(req.getUri())) {
        FullHttpResponse res = new DefaultFullHttpResponse(HTTP_1_1, NOT_FOUND);
        sendHttpResponse(ctx, req, res);
        return;
    }

    if (req.getUri().startsWith("/livereload.js")) {
        InputStream is = getClass().getResourceAsStream("/livereload.js");
        byte[] data = IOUtils.toByteArray(is);
        ByteBuf content = Unpooled.wrappedBuffer(data);

        FullHttpResponse res = new DefaultFullHttpResponse(HTTP_1_1, OK, content);

        res.headers().set(CONTENT_TYPE, "application/javascript");
        setContentLength(res, content.readableBytes());

        sendHttpResponse(ctx, req, res);
        return;
    }

    // Handshake
    WebSocketServerHandshakerFactory wsFactory = new WebSocketServerHandshakerFactory(getWebSocketLocation(req),
            null, false);
    handshaker = wsFactory.newHandshaker(req);
    if (handshaker == null) {
        WebSocketServerHandshakerFactory.sendUnsupportedWebSocketVersionResponse(ctx.channel());
    } else {
        handshaker.handshake(ctx.channel(), req);
    }
}

From source file:com.adobe.acs.livereload.impl.WebSocketServerHandler.java

License:Apache License

private void handleWebSocketFrame(ChannelHandlerContext ctx, WebSocketFrame frame) {

    // Check for closing frame
    if (frame instanceof CloseWebSocketFrame) {
        handshaker.close(ctx.channel(), (CloseWebSocketFrame) frame.retain());
        return;/*from www.  j av a 2 s . c  o m*/
    }
    if (frame instanceof PingWebSocketFrame) {
        ctx.channel().write(new PongWebSocketFrame(frame.content().retain()));
        return;
    }
    if (!(frame instanceof TextWebSocketFrame)) {
        throw new UnsupportedOperationException(
                String.format("%s frame types not supported", frame.getClass().getName()));
    }

    String request = ((TextWebSocketFrame) frame).text();
    try {
        JSONObject obj = new JSONObject(request);
        handleCommand(obj, ctx);

    } catch (JSONException e) {
        throw new IllegalArgumentException(String.format("%s is not a valid JSON object", request));
    }

}

From source file:com.adobe.acs.livereload.impl.WebSocketServerHandler.java

License:Apache License

private void handleCommand(JSONObject obj, ChannelHandlerContext ctx) throws JSONException {
    String cmd = obj.getString(COMMAND);
    Channel channel = ctx.channel();
    if (CMD_HELLO.equals(cmd)) {
        JSONObject result = new JSONObject();
        result.put(COMMAND, CMD_HELLO);//from  w ww  . j  a v a  2 s  .  co m
        JSONArray protocols = new JSONArray();
        protocols.put(PROTOCOL_VERSION_7);
        result.put(PROTOCOLS, protocols);
        result.put("serverName", "AEM Live Reload Server");

        channel.write(new TextWebSocketFrame(result.toString()));

        if (isSupported(obj)) {
            log.info("adding LiveReload channel");
            group.add(channel);
        }

        ChannelInfo info = new ChannelInfo(isSupported(obj));
        infos.put(channel, info);
    } else if (CMD_INFO.equals(cmd)) {
        ChannelInfo info = infos.get(channel);
        if (info != null) {
            String url = obj.getString(URL);
            try {
                URI uri = new URI(url);
                info.setUri(uri);

                log.info("added uri to channel info {}", info);

            } catch (URISyntaxException e) {
                log.warn("Unable to store uri " + url, e);
            }
        }
    } else {
        log.warn("Unknown command {}", cmd);
        log.info(obj.toString(2));
    }
}

From source file:com.adobe.acs.livereload.impl.WebSocketServerHandler.java

License:Apache License

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
    // Generate an error page if response getStatus code is not OK (200).
    if (res.getStatus().code() != HttpServletResponse.SC_OK) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);//from  w  w  w.j  a  va  2s .  c  o  m
        buf.release();
        setContentLength(res, res.content().readableBytes());
    }

    // Send the response and close the connection if necessary.
    ChannelFuture f = ctx.channel().writeAndFlush(res);
    if (!isKeepAlive(req) || res.getStatus().code() != HttpServletResponse.SC_OK) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:com.aerofs.baseline.http.Channels.java

License:Apache License

static void expectedClose(ChannelHandlerContext ctx, String logMessage) {
    LOGGER.trace("{}: close: {}", Channels.getHexText(ctx.channel()), logMessage);
    ctx.channel().close();//from   w w w .j  a  v  a  2s  .  c  o m
}

From source file:com.aerofs.baseline.http.Channels.java

License:Apache License

static void close(ChannelHandlerContext ctx, String logMessage, Object... logObjects) {
    close(ctx.channel(), logMessage, logObjects);
}

From source file:com.aerofs.baseline.http.Channels.java

License:Apache License

static void closeAndLogStack(ChannelHandlerContext ctx, String logMessage, Throwable t) {
    closeAndLogStack(ctx.channel(), logMessage, t);
}