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:madtest.common.netty.study.chapter11.WebSocketServerHandler.java

License:Apache License

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
    // //from   w w  w  .  ja  v  a 2s.c  om
    if (res.status().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.status().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);
        buf.release();
        HttpHeaderUtil.setContentLength(res, res.content().readableBytes());
    }

    // ?Keep-Alive
    ChannelFuture f = ctx.channel().writeAndFlush(res);
    if (!HttpHeaderUtil.isKeepAlive(req) || res.status().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:malcolm.HttpProxyBackendHandler.java

License:Apache License

private static void closeOnFlush(final Channel ch) {
    if (ch.isActive()) {
        ch.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
    }//from www  .j  a v  a2 s  .  c  o m
}

From source file:md.mgmt.facade.IndexServerHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
    logger.info(String.valueOf(msg));
    long start = System.currentTimeMillis();
    String respStr = commandMapper.selectService((String) msg);
    long end = System.currentTimeMillis();
    logger.info("resp:" + respStr);
    logger.info("time spend: " + (end - start));
    ChannelFuture f = ctx.writeAndFlush(respStr);
    f.addListener(ChannelFutureListener.CLOSE);
}

From source file:me.ferrybig.javacoding.webmapper.netty.WebServerHandler.java

private void handleWebSocketFrame(ChannelHandlerContext ctx, WebSocketFrame frame) {

    // Check for closing frame
    if (frame instanceof CloseWebSocketFrame) {
        handshaker.close(ctx.channel(), (CloseWebSocketFrame) frame.retain());
        return;/* w w  w.  ja va  2s  .  c  om*/
    }
    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();
    JSONObject json;
    try {
        json = new JSONObject(request);
    } catch (JSONException ex) {
        ctx.channel().writeAndFlush(new TextWebSocketFrame("{\"error\":\"BAD_JSON\"}"))
                .addListener(ChannelFutureListener.CLOSE);
        return;
    }
    String endpoint = json.optString("endpoint", null);
    if (endpoint == null) {
        ctx.channel().writeAndFlush(new TextWebSocketFrame("{\"error\":\"MISSING_ENDPOINT\"}"));
        return;
    }
    String reqid = json.optString("reqid", json.optInt("reqid", 0) + "");
    boolean containedReqId = json.has("reqid");

    websocketTmp.endpoint(endpoint).setDataOrClear(json.optJSONObject("data"));

    EndpointResult<?> res;
    try {
        res = this.httpMapper.handleHttpRequest(websocketTmp);
    } catch (RouteException ex) {
        res = new EndpointResult<>(Result.SERVER_ERROR, "Server error!", ContentType.TEXT);
        Logger.getLogger(WebServerHandler.class.getName()).log(Level.SEVERE, null, ex);
    }
    JSONObject jsonRes;
    if (res.getContentType() != ContentType.JSON) {
        jsonRes = new JSONObject();
        if (res.getResult() != Result.OK) {
            jsonRes.put("error", res.getResult().name());
        } else {
            jsonRes.put("error", "BAD_RETURN_DATA");
        }
        jsonRes.put("status", "BAD_RETURN_DATA");
        if (containedReqId) {
            jsonRes.put("reqid", reqid);
            jsonRes.put("reqid-connection", "close");
        }
        jsonRes.put("data", new JSONObject());
    } else {
        @SuppressWarnings("unchecked")
        EndpointResult<JSONObject> obj = (EndpointResult<JSONObject>) res;
        jsonRes = new JSONObject();
        if (res.getResult() != Result.OK) {
            jsonRes.put("error", res.getResult().name());
        }
        jsonRes.put("status", res.getResult().name());
        if (containedReqId) {
            jsonRes.put("reqid", reqid);
            jsonRes.put("reqid-connection", "close");
        }
        jsonRes.put("data", obj.getData());
    }
    ctx.channel().writeAndFlush(new TextWebSocketFrame(jsonRes.toString()));
}

From source file:me.ferrybig.javacoding.webmapper.netty.WebServerHandler.java

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
    ChannelFuture f = ctx.channel().writeAndFlush(res);
    if (!isKeepAlive(req) || res.status().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }/*w ww  .java2s .c om*/
}

From source file:me.ferrybig.p2pnetwork.codec.PacketHandler.java

@Override
protected void channelRead0(ChannelHandlerContext ctx, ProcessedPacket msg) throws Exception {
    try {//w  ww.  j a v a  2  s  .  com
        if (msg.getPacket() instanceof PingPacket) {
            PingPacket pingPacket = (PingPacket) msg.getPacket();
            msg.respond(new PongPacket(pingPacket.getData()));
        } else if (msg.getPacket() instanceof RoutingUpdatePacket) {
            RoutingUpdatePacket routingUpdatePacket = (RoutingUpdatePacket) msg.getPacket();
            if (!msg.getFrom().equals(con.getDirectNode())) {
                LOG.log(Level.WARNING,
                        "Dropped wrong routing packet coming from node {0} but packet states it comes from {1}",
                        new Object[] { con.getDirectNode(), msg.getFrom() });
                return;
            }
            con.updateKnownDestinations(routingUpdatePacket.getRoutes());
        } else {
            if (msg.getPacket() instanceof ExitPacket) {
                ExitPacket exitPacket = (ExitPacket) msg.getPacket();
                if (exitPacket.isPreparing()) {
                    msg.respond(new ExitPacket(exitPacket.getReason(), false))
                            .addListener(ChannelFutureListener.CLOSE);
                } else {
                    ctx.close();
                }
            }
            packetHandler.accept(msg);
        }
    } finally {
        msg.getPacket().release();
    }
}

From source file:me.ferrybig.p2pnetwork.LocalConnection.java

public void close(CloseReason reason, boolean prepare) {
    ChannelFuture f = this.channel.write(new ExitPacket(reason, prepare));
    if (!prepare)
        f.addListener(ChannelFutureListener.CLOSE);
}

From source file:me.hrps.rp.preview.chat.service.WebSocketServerHandler.java

License:Apache License

private void handleWebSocketFrame(ChannelHandlerContext ctx, WebSocketFrame frame) {
    Channel chn = ctx.channel();//from  ww w.java2s .  c  o  m
    String chnId = chn.id().toString();
    // Check for closing frame
    if (frame instanceof CloseWebSocketFrame) {
        handshaker.close(ctx.channel(), (CloseWebSocketFrame) frame.retain());
        return;
    }
    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()));
    }

    // Send the uppercase string back.
    String request = ((TextWebSocketFrame) frame).text().toLowerCase();
    //MSG=&FROM=4&TO=%235&TYPING=TRUE  
    //MSG=222&FROM=4&TO=%235&TYPING=FALSE   ?
    if (request != null && request.startsWith("msg")) {
        request = Encodes.urlDecode(request.toLowerCase());
        String[] reqMsg = request.split("&");
        Message msg = new Message();
        for (String input : reqMsg) {
            String[] inputvalue = input.split("=");
            if (inputvalue.length == 2)
                ReflectionUtils.invokeSetter(msg, inputvalue[0], inputvalue[1]);
        }
        Channel toChannel = WebSocketServerInitializer.chs.get(msg.getChannelid());

        //??
        if ("false".equals(msg.getTyping())) {
            if (msg.getTo() != null) {
                msg.setTo(msg.getTo().replace("#", ""));
            }
            MetaData chatMsgInfo = new MetaData();
            chatMsgInfo.setType(2);
            chatMsgInfo.setMsg(msg);
            if (toChannel.isActive()) {
                String pushChatInfo = JacksonMapper.toJSONString(chatMsgInfo);
                toChannel.writeAndFlush(new TextWebSocketFrame(pushChatInfo));
            }
        }
        return;
    }

    MetaData md = JacksonMapper.readValue(request, MetaData.class);
    //??,??
    if (WebSocketServerInitializer.mds.get(chnId) == null && md != null && md.getType() == 3) {
        PreChatUser user = chatUserMapper.selectByPrimaryKey(md.getUser().getId());
        user.setChannelid(chnId);
        if (user != null)
            md.setUser(user);
        WebSocketServerInitializer.mds.put(chnId, md);
        //??,
        MetaData onlineMemberInfo = new MetaData();
        onlineMemberInfo.setType(1);
        List<PreChatUser> users = Lists.newArrayList();
        Iterator<MetaData> it = WebSocketServerInitializer.mds.values().iterator();
        while (it.hasNext()) {
            MetaData onlineUser = it.next();
            users.add(onlineUser.getUser());
        }
        onlineMemberInfo.setUsers(users);
        String pushOnlineInfo = JacksonMapper.toJSONString(onlineMemberInfo);
        Iterator<Channel> chnItor = WebSocketServerInitializer.chs.values().iterator();
        while (chnItor.hasNext()) {
            Channel currChn = chnItor.next();
            if (currChn.isActive()) {
                currChn.writeAndFlush(new TextWebSocketFrame(pushOnlineInfo));
            }
        }
        return;
    }

    System.err.printf("%s received %s%n", ctx.channel(), request);
    ChannelFuture f = ctx.channel().write(new TextWebSocketFrame(request.toUpperCase()));
    if ("bye".equals(request)) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:me.jesonlee.jjfsserver.httpserver.HttpStaticFileServerHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    if (!request.getDecoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);/*www.  j  a  va2s .  co m*/
        return;
    }

    if (request.getMethod() != GET) {
        sendError(ctx, METHOD_NOT_ALLOWED);
        return;
    }

    final String uri = request.getUri();
    final String path = PathUtil.sanitizeUri(uri);
    if (path == null) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    File file = new File(path);
    if (file.isHidden() || !file.exists()) {
        sendError(ctx, NOT_FOUND);
        return;
    }

    if (file.isDirectory()) {
        if (uri.endsWith("/")) {
            sendListing(ctx, file);
        } else {
            sendRedirect(ctx, uri + '/');
        }
        return;
    }

    if (!file.isFile()) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    // Cache Validation
    String ifModifiedSince = request.headers().get(IF_MODIFIED_SINCE);
    if (ifModifiedSince != null && !ifModifiedSince.isEmpty()) {
        SimpleDateFormat dateFormatter = new SimpleDateFormat(HTTP_DATE_FORMAT, Locale.US);
        Date ifModifiedSinceDate = dateFormatter.parse(ifModifiedSince);

        // Only compare up to the second because the datetime format we send to the client
        // does not have milliseconds
        long ifModifiedSinceDateSeconds = ifModifiedSinceDate.getTime() / 1000;
        long fileLastModifiedSeconds = file.lastModified() / 1000;
        if (ifModifiedSinceDateSeconds == fileLastModifiedSeconds) {
            sendNotModified(ctx);
            return;
        }
    }

    RandomAccessFile raf;
    try {
        raf = new RandomAccessFile(file, "r");
    } catch (FileNotFoundException ignore) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    long fileLength = raf.length();

    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
    HttpHeaders.setContentLength(response, fileLength);
    setContentTypeHeader(response, file);
    setDateAndCacheHeaders(response, file);
    if (HttpHeaders.isKeepAlive(request)) {
        response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    }

    // Write the initial line and the header.
    ctx.write(response);

    // Write the content.
    ChannelFuture sendFileFuture;
    ChannelFuture lastContentFuture;
    if (ctx.pipeline().get(SslHandler.class) == null) {
        sendFileFuture = ctx.write(new DefaultFileRegion(raf.getChannel(), 0, fileLength),
                ctx.newProgressivePromise());
        // Write the end marker.
        lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
    } else {
        sendFileFuture = ctx.write(new HttpChunkedInput(new ChunkedFile(raf, 0, fileLength, 8192)),
                ctx.newProgressivePromise());
        // HttpChunkedInput will write the end marker (LastHttpContent) for us.
        lastContentFuture = sendFileFuture;
    }

    sendFileFuture.addListener(new ChannelProgressiveFutureListener() {
        @Override
        public void operationProgressed(ChannelProgressiveFuture future, long progress, long total) {
            if (total < 0) { // total unknown
                System.err.println(future.channel() + " Transfer progress: " + progress);
            } else {
                System.err.println(future.channel() + " Transfer progress: " + progress + " / " + total);
            }
        }

        @Override
        public void operationComplete(ChannelProgressiveFuture future) {
            System.err.println(future.channel() + " Transfer complete.");
        }
    });

    // Decide whether to close the connection or not.
    if (!HttpHeaders.isKeepAlive(request)) {
        // Close the connection when the whole content is written out.
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:me.jesonlee.jjfsserver.httpserver.HttpStaticFileServerHandler.java

License:Apache License

private static void sendListing(ChannelHandlerContext ctx, File dir) {
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK);
    response.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");

    String dirPath = dir.getPath();
    StringBuilder buf = new StringBuilder().append("<!DOCTYPE html>\r\n").append("<html><head><title>")
            .append("Listing of: ").append(PathUtil.getRelativePath(dirPath))
            .append("</title></head><body>\r\n").append("<h3>Listing of: ")
            .append(PathUtil.getRelativePath(dirPath)).append("</h3>\r\n")

            .append("<ul>").append("<li><a href=\"../\">..</a></li>\r\n");

    for (File f : dir.listFiles()) {
        if (f.isHidden() || !f.canRead()) {
            continue;
        }//from w  w  w .ja  v  a  2  s  . c  o  m

        String name = f.getName();
        if (!ALLOWED_FILE_NAME.matcher(name).matches()) {
            continue;
        }

        buf.append("<li><a href=\"").append(name).append("\">").append(name).append("</a></li>\r\n");
    }

    buf.append("</ul></body></html>\r\n");
    ByteBuf buffer = Unpooled.copiedBuffer(buf, CharsetUtil.UTF_8);
    response.content().writeBytes(buffer);
    buffer.release();

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