Example usage for io.netty.channel ChannelFutureListener CLOSE

List of usage examples for io.netty.channel ChannelFutureListener CLOSE

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Introduction

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

Prototype

ChannelFutureListener CLOSE

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Document

A ChannelFutureListener that closes the Channel which is associated with the specified ChannelFuture .

Usage

From source file:com.company.product.test.http.HttpServerHandler.java

License:Apache License

protected void messageReceived(ChannelHandlerContext ctx, Object msg) {
    FullHttpResponse response = null;/*from w w  w .  j av a2 s. c  o  m*/
    try {
        if (msg instanceof HttpRequest) {
            HttpRequest request = (HttpRequest) msg;

            QueryStringDecoder queryStringDecoder = new QueryStringDecoder(request.getUri());
            Map<String, List<String>> params = queryStringDecoder.parameters();
            validateQueryString(params);
            compileAndSendMessage(params);

            // no need to provide a response, we did what was expected of us.
            response = new DefaultFullHttpResponse(HTTP_1_1, NO_CONTENT);
        }
    } catch (IllegalArgumentException iae) {
        response = new DefaultFullHttpResponse(HTTP_1_1, INTERNAL_SERVER_ERROR);
        throw iae;
    } catch (InvalidTopicException ite) {
        response = new DefaultFullHttpResponse(HTTP_1_1, BAD_REQUEST);
        throw ite;
    } finally {
        ctx.write(response);
        ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
        ReferenceCountUtil.release(msg);
    }
}

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);/*  w  w  w.  j  av a 2s .  c  om*/

    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.AuthorizeHandler.java

License:Apache License

private boolean authorize(ChannelHandlerContext ctx, Channel channel, String origin,
        Map<String, List<String>> params, FullHttpRequest req) throws IOException {
    Map<String, List<String>> headers = new HashMap<String, List<String>>(req.headers().names().size());
    for (String name : req.headers().names()) {
        List<String> values = req.headers().getAll(name);
        headers.put(name, values);/*from w w w  .  jav  a2  s. c o  m*/
    }

    HandshakeData data = new HandshakeData(headers, params, (InetSocketAddress) channel.remoteAddress(),
            req.getUri(), origin != null && !origin.equalsIgnoreCase("null"));

    boolean result = false;
    try {
        result = configuration.getAuthorizationListener().isAuthorized(data);
    } catch (Exception e) {
        log.error("Authorization error", e);
    }

    if (!result) {
        HttpResponse res = new DefaultHttpResponse(HTTP_1_1, HttpResponseStatus.UNAUTHORIZED);
        channel.writeAndFlush(res).addListener(ChannelFutureListener.CLOSE);
        log.debug("Handshake unauthorized, query params: {} headers: {}", params, headers);
        return false;
    }

    UUID sessionId = this.generateOrGetSessionIdFromRequest(headers);

    List<String> transportValue = params.get("transport");
    if (transportValue == null) {
        log.warn("Got no transports for request {}", req.getUri());

        HttpResponse res = new DefaultHttpResponse(HTTP_1_1, HttpResponseStatus.UNAUTHORIZED);
        channel.writeAndFlush(res).addListener(ChannelFutureListener.CLOSE);
        return false;
    }

    Transport transport = Transport.byName(transportValue.get(0));
    ClientHead client = new ClientHead(sessionId, ackManager, disconnectable, storeFactory, data, clientsBox,
            transport, disconnectScheduler, configuration);
    channel.attr(ClientHead.CLIENT).set(client);
    clientsBox.addClient(client);

    String[] transports = {};
    if (configuration.getTransports().contains(Transport.WEBSOCKET)) {
        transports = new String[] { "websocket" };
    }

    AuthPacket authPacket = new AuthPacket(sessionId, transports, configuration.getPingInterval(),
            configuration.getPingTimeout());
    Packet packet = new Packet(PacketType.OPEN);
    packet.setData(authPacket);
    client.send(packet);

    client.schedulePingTimeout();
    log.debug("Handshake authorized for sessionId: {}, query params: {} headers: {}", sessionId, params,
            headers);
    return true;
}

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

License:Apache License

public void disconnect() {
    ChannelFuture future = send(new Packet(PacketType.DISCONNECT));
    future.addListener(ChannelFutureListener.CLOSE);

    onChannelDisconnect();
}

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

License:Apache License

private void sendMessage(HttpMessage msg, Channel channel, ByteBuf out, HttpResponse res) {
    channel.write(res);// w w  w . java  2  s .  c o m

    if (log.isTraceEnabled()) {
        log.trace("Out message: {} - sessionId: {}", out.toString(CharsetUtil.UTF_8), msg.getSessionId());
    }

    if (out.isReadable()) {
        channel.write(out);
    } else {
        out.release();
    }

    channel.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT).addListener(ChannelFutureListener.CLOSE);
}

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

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (msg instanceof FullHttpRequest) {
        FullHttpRequest req = (FullHttpRequest) msg;
        QueryStringDecoder queryDecoder = new QueryStringDecoder(req.getUri());
        URL resUrl = resources.get(queryDecoder.path());
        if (resUrl != null) {
            URLConnection fileUrl = resUrl.openConnection();
            long lastModified = fileUrl.getLastModified();
            // check if file has been modified since last request
            if (isNotModified(req, lastModified)) {
                sendNotModified(ctx);//from  w w w  .  j a v a  2s . c  o  m
                req.release();
                return;
            }
            // create resource input-stream and check existence
            final InputStream is = fileUrl.getInputStream();
            if (is == null) {
                sendError(ctx, NOT_FOUND);
                return;
            }
            // create ok response
            HttpResponse res = new DefaultHttpResponse(HTTP_1_1, HttpResponseStatus.OK);
            // set Content-Length header
            setContentLength(res, fileUrl.getContentLength());
            // set Content-Type header
            setContentTypeHeader(res, fileUrl);
            // set Date, Expires, Cache-Control and Last-Modified headers
            setDateAndCacheHeaders(res, lastModified);
            // write initial response header
            ctx.write(res);

            // write the content stream
            ctx.pipeline().addBefore(SocketIOChannelInitializer.RESOURCE_HANDLER, "chunkedWriter",
                    new ChunkedWriteHandler());
            ChannelFuture writeFuture = ctx.channel().write(new ChunkedStream(is, fileUrl.getContentLength()));
            // add operation complete listener so we can close the channel and the input stream
            writeFuture.addListener(ChannelFutureListener.CLOSE);
            return;
        }
    }
    ctx.fireChannelRead(msg);
}

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

License:Apache License

private void sendNotModified(ChannelHandlerContext ctx) {
    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, HttpResponseStatus.NOT_MODIFIED);
    setDateHeader(response);//from   w  ww .  ja v  a  2 s . c om

    // Close the connection as soon as the error message is sent.
    ctx.channel().write(response).addListener(ChannelFutureListener.CLOSE);
}

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

License:Apache License

/**
 * Sends an Error response with status message
 *
 * @param ctx//  ww w .  j  a  v  a 2  s .  co m
 * @param status
 */
private void sendError(ChannelHandlerContext ctx, HttpResponseStatus status) {
    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, status);
    HttpHeaders.setHeader(response, CONTENT_TYPE, "text/plain; charset=UTF-8");
    ByteBuf content = Unpooled.copiedBuffer("Failure: " + status.toString() + "\r\n", CharsetUtil.UTF_8);

    ctx.channel().write(response);
    // Close the connection as soon as the error message is sent.
    ctx.channel().write(content).addListener(ChannelFutureListener.CLOSE);
}

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

License:Apache License

public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (msg instanceof FullHttpRequest) {
        FullHttpRequest req = (FullHttpRequest) msg;
        Channel channel = ctx.channel();
        QueryStringDecoder queryDecoder = new QueryStringDecoder(req.getUri());

        HttpResponse res = new DefaultHttpResponse(HTTP_1_1, HttpResponseStatus.BAD_REQUEST);
        ChannelFuture f = channel.writeAndFlush(res);
        f.addListener(ChannelFutureListener.CLOSE);
        req.release();/*from   ww  w.ja  v  a  2 s.com*/
        log.warn("Blocked wrong socket.io-context request! url: {}, params: {}, ip: {}", queryDecoder.path(),
                queryDecoder.parameters(), channel.remoteAddress());
    }
}

From source file:com.corundumstudio.socketio.SocketIOEncoder.java

License:Apache License

private void sendMessage(HttpMessage msg, Channel channel, ByteBuf out) {
    HttpResponse res = createHttpResponse(msg.getOrigin(), out);
    channel.write(res);/*from   w w  w. j a  va  2s  .com*/

    if (log.isTraceEnabled()) {
        log.trace("Out message: {} - sessionId: {}", out.toString(CharsetUtil.UTF_8), msg.getSessionId());
    }
    if (out.isReadable()) {
        channel.write(out);
    } else {
        out.release();
    }

    ChannelFuture f = channel.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
    f.addListener(ChannelFutureListener.CLOSE);
}