List of usage examples for io.netty.channel ChannelFutureListener CLOSE
ChannelFutureListener CLOSE
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From source file:cc.agentx.client.net.nio.XRelayHandler.java
License:Apache License
@Override public void channelInactive(ChannelHandlerContext ctx) { if (dstChannel.isActive()) { if (!uplink) { log.info("\t Proxy <- Target \tDisconnect"); log.info("\tClient <- Proxy \tDisconnect"); }/*from w w w .ja va 2s.c om*/ dstChannel.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE); } }
From source file:cc.agentx.server.net.nio.XConnectHandler.java
License:Apache License
@Override public void channelRead(ChannelHandlerContext ctx, Object msg) { try {/*ww w .ja v a2 s. c om*/ ByteBuf byteBuf = (ByteBuf) msg; if (!byteBuf.hasArray()) { byte[] bytes = new byte[byteBuf.readableBytes()]; byteBuf.getBytes(0, bytes); if (!requestParsed) { if (!exposedRequest) { bytes = wrapper.unwrap(bytes); if (bytes == null) { log.info("\tClient -> Proxy \tHalf Request"); return; } } XRequest xRequest = requestWrapper.parse(bytes); String host = xRequest.getHost(); int port = xRequest.getPort(); int dataLength = xRequest.getSubsequentDataLength(); if (dataLength > 0) { byte[] tailData = Arrays.copyOfRange(bytes, bytes.length - dataLength, bytes.length); if (exposedRequest) { tailData = wrapper.unwrap(tailData); if (tailData != null) { tailDataBuffer.write(tailData, 0, tailData.length); } } else { tailDataBuffer.write(tailData, 0, tailData.length); } } log.info("\tClient -> Proxy \tTarget {}:{}{}", host, port, DnsCache.isCached(host) ? " [Cached]" : ""); if (xRequest.getAtyp() == XRequest.Type.DOMAIN) { try { host = DnsCache.get(host); if (host == null) { host = xRequest.getHost(); } } catch (UnknownHostException e) { log.warn("\tClient <- Proxy \tBad DNS! ({})", e.getMessage()); ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE); return; } } Promise<Channel> promise = ctx.executor().newPromise(); promise.addListener(new FutureListener<Channel>() { @Override public void operationComplete(final Future<Channel> future) throws Exception { final Channel outboundChannel = future.getNow(); if (future.isSuccess()) { // handle tail byte[] tailData = tailDataBuffer.toByteArray(); tailDataBuffer.close(); if (tailData.length > 0) { log.info("\tClient ==========> Target \tSend Tail [{} bytes]", tailData.length); } outboundChannel .writeAndFlush((tailData.length > 0) ? Unpooled.wrappedBuffer(tailData) : Unpooled.EMPTY_BUFFER) .addListener(channelFuture -> { // task handover outboundChannel.pipeline() .addLast(new XRelayHandler(ctx.channel(), wrapper, false)); ctx.pipeline() .addLast(new XRelayHandler(outboundChannel, wrapper, true)); ctx.pipeline().remove(XConnectHandler.this); }); } else { if (ctx.channel().isActive()) { ctx.writeAndFlush(Unpooled.EMPTY_BUFFER) .addListener(ChannelFutureListener.CLOSE); } } } }); final String finalHost = host; bootstrap.group(ctx.channel().eventLoop()).channel(NioSocketChannel.class) .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000) .option(ChannelOption.SO_KEEPALIVE, true) .handler(new XPingHandler(promise, System.currentTimeMillis())).connect(host, port) .addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future) throws Exception { if (!future.isSuccess()) { if (ctx.channel().isActive()) { log.warn("\tClient <- Proxy \tBad Ping! ({}:{})", finalHost, port); ctx.writeAndFlush(Unpooled.EMPTY_BUFFER) .addListener(ChannelFutureListener.CLOSE); } } } }); requestParsed = true; } else { bytes = wrapper.unwrap(bytes); if (bytes != null) tailDataBuffer.write(bytes, 0, bytes.length); } } } finally { ReferenceCountUtil.release(msg); } }
From source file:cc.agentx.server.net.nio.XConnectHandler.java
License:Apache License
@Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) { if (ctx.channel().isActive()) { ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE); }//from w ww.j av a 2s. c o m cause.printStackTrace(); log.warn("\tBad Connection! ({})", cause.getMessage()); }
From source file:cc.changic.platform.etl.schedule.http.HttpServerHandler.java
License:Apache License
public void channelRead0(ChannelHandlerContext ctx, Object msg) { if (msg instanceof HttpRequest) { HttpRequest req = (HttpRequest) msg; if (HttpHeaderUtil.is100ContinueExpected(req)) { ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE)); }/* w ww.ja v a 2 s .c o m*/ boolean keepAlive = HttpHeaderUtil.isKeepAlive(req); FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, Unpooled.wrappedBuffer(CONTENT)); response.headers().set(CONTENT_TYPE, "text/plain"); response.headers().set(CONTENT_LENGTH, response.content().readableBytes()); if (!keepAlive) { ctx.write(response).addListener(ChannelFutureListener.CLOSE); } else { response.headers().set(CONNECTION, Values.KEEP_ALIVE); ctx.write(response); } } }
From source file:cc.io.lessons.server.HttpUploadServerHandler.java
License:Apache License
private void writeResponse(Channel channel) { // Convert the response content to a ChannelBuffer. ByteBuf buf = copiedBuffer(responseContent.toString(), CharsetUtil.UTF_8); responseContent.setLength(0);/*from ww w.j a v a 2 s. c o m*/ // Decide whether to close the connection or not. boolean close = HttpHeaders.Values.CLOSE.equalsIgnoreCase(request.headers().get(CONNECTION)) || request.getProtocolVersion().equals(HttpVersion.HTTP_1_0) && !HttpHeaders.Values.KEEP_ALIVE.equalsIgnoreCase(request.headers().get(CONNECTION)); // Build the response object. FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK, buf); response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8"); if (!close) { // There's no need to add 'Content-Length' header // if this is the last response. response.headers().set(CONTENT_LENGTH, buf.readableBytes()); } Set<Cookie> cookies; String value = request.headers().get(COOKIE); if (value == null) { cookies = Collections.emptySet(); } else { cookies = CookieDecoder.decode(value); } if (!cookies.isEmpty()) { // Reset the cookies if necessary. for (Cookie cookie : cookies) { response.headers().add(SET_COOKIE, ServerCookieEncoder.encode(cookie)); } } // Write the response. ChannelFuture future = channel.writeAndFlush(response); // Close the connection after the write operation is done if necessary. if (close) { future.addListener(ChannelFutureListener.CLOSE); } }
From source file:ch07.handlers.HttpSnoopServerHandler.java
License:Apache License
@Override protected void channelRead0(ChannelHandlerContext ctx, Object msg) { if (msg instanceof HttpRequest) { HttpRequest request = this.request = (HttpRequest) msg; if (HttpHeaders.is100ContinueExpected(request)) { send100Continue(ctx);// w w w. j a va 2s . c o m } buf.setLength(0); buf.append("WELCOME TO THE WILD WILD WEB SERVER\r\n"); buf.append("===================================\r\n"); buf.append("VERSION: ").append(request.protocolVersion()).append("\r\n"); buf.append("HOSTNAME: ").append(HttpHeaders.getHost(request, "unknown")).append("\r\n"); buf.append("REQUEST_URI: ").append(request.uri()).append("\r\n\r\n"); HttpHeaders headers = request.headers(); if (!headers.isEmpty()) { for (Map.Entry<String, String> h : headers) { String key = h.getKey(); String value = h.getValue(); buf.append("HEADER: ").append(key).append(" = ").append(value).append("\r\n"); } buf.append("\r\n"); } QueryStringDecoder queryStringDecoder = new QueryStringDecoder(request.uri()); Map<String, List<String>> params = queryStringDecoder.parameters(); if (!params.isEmpty()) { for (Entry<String, List<String>> p : params.entrySet()) { String key = p.getKey(); List<String> vals = p.getValue(); for (String val : vals) { buf.append("PARAM: ").append(key).append(" = ").append(val).append("\r\n"); } } buf.append("\r\n"); } appendDecoderResult(buf, request); } if (msg instanceof HttpContent) { HttpContent httpContent = (HttpContent) msg; ByteBuf content = httpContent.content(); if (content.isReadable()) { buf.append("CONTENT: "); buf.append(content.toString(CharsetUtil.UTF_8)); buf.append("\r\n"); appendDecoderResult(buf, request); } if (msg instanceof LastHttpContent) { buf.append("END OF CONTENT\r\n"); LastHttpContent trailer = (LastHttpContent) msg; if (!trailer.trailingHeaders().isEmpty()) { buf.append("\r\n"); for (String name : trailer.trailingHeaders().names()) { for (String value : trailer.trailingHeaders().getAll(name)) { buf.append("TRAILING HEADER: "); buf.append(name).append(" = ").append(value).append("\r\n"); } } buf.append("\r\n"); } if (!writeResponse(trailer, ctx)) { // If keep-alive is off, close the connection once the content is fully written. ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE); } } } }
From source file:chapter10.WebSocketServerHandler.java
License:Apache License
private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) { // //from ww w . j av a 2 s. c o m if (res.status().code() != 200) { ByteBuf buf = Unpooled.copiedBuffer(res.status().toString(), CharsetUtil.UTF_8); res.content().writeBytes(buf); buf.release(); setContentLength(res, res.content().readableBytes()); } // ?Keep-Alive ChannelFuture f = ctx.channel().writeAndFlush(res); if (!isKeepAlive(req) || res.status().code() != 200) { f.addListener(ChannelFutureListener.CLOSE); } }
From source file:cloudeventbus.server.ServerHandler.java
License:Open Source License
private void error(ChannelHandlerContext ctx, ErrorFrame errorFrame) { ctx.write(errorFrame).addListener(ChannelFutureListener.CLOSE); }
From source file:cn.david.socks.SocksServerUtils.java
License:Apache License
/** * Closes the specified channel after all queued write requests are flushed. *//* ww w.ja v a 2 s . c om*/ public static void closeOnFlush(Channel ch) { if (ch.isActive()) { ch.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE); } }
From source file:cn.dennishucd.nettyhttpserver.HttpServerHandler.java
License:Apache License
@SuppressWarnings("deprecation") @Override// ww w . j a v a2 s .c om public void channelRead(ChannelHandlerContext ctx, Object msg) { if (msg instanceof HttpRequest) { request = (HttpRequest) msg; if (HttpUtil.is100ContinueExpected(request)) { ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE)); } if (!request.uri().equalsIgnoreCase(URL)) { sendError(ctx, NOT_FOUND); return; } } if (msg instanceof HttpContent) { HttpContent content = (HttpContent) msg; ByteBuf buf = content.content(); UserToken ut = CTools.JSONStr2Object(buf.toString(io.netty.util.CharsetUtil.UTF_8), UserToken.class); logger.info("request body: " + buf.toString(io.netty.util.CharsetUtil.UTF_8)); buf.release(); boolean keepAlive = HttpUtil.isKeepAlive(request); FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, Unpooled.wrappedBuffer(CONTENT.getBytes())); response.headers().set(CONTENT_TYPE, "application/json"); response.headers().setInt(CONTENT_LENGTH, response.content().readableBytes()); logger.info("response body: " + CONTENT); if (!keepAlive) { ctx.write(response).addListener(ChannelFutureListener.CLOSE); } else { response.headers().set(CONNECTION, KEEP_ALIVE); ctx.write(response); } } else { ctx.fireChannelRead(msg); } }