Examples with Channel org.jboss.netty.channel.Channel used on opensource projects

Example 36 with Channel

use of org.jboss.netty.channel.Channel in project weave by continuuity.

the class TrackerService method startUp.

@Override
protected void startUp() throws Exception {
    Executor bossThreads = Executors.newFixedThreadPool(NUM_BOSS_THREADS, new ThreadFactoryBuilder().setDaemon(true).setNameFormat("boss-thread").build());
    Executor workerThreads = Executors.newCachedThreadPool(new ThreadFactoryBuilder().setDaemon(true).setNameFormat("worker-thread#%d").build());
    ChannelFactory factory = new NioServerSocketChannelFactory(bossThreads, workerThreads);
    bootstrap = new ServerBootstrap(factory);
    bootstrap.setPipelineFactory(new ChannelPipelineFactory() {

        public ChannelPipeline getPipeline() {
            ChannelPipeline pipeline = Channels.pipeline();
            pipeline.addLast("decoder", new HttpRequestDecoder());
            pipeline.addLast("aggregator", new HttpChunkAggregator(MAX_INPUT_SIZE));
            pipeline.addLast("encoder", new HttpResponseEncoder());
            pipeline.addLast("compressor", new HttpContentCompressor());
            pipeline.addLast("handler", new ReportHandler(resourceReport));
            return pipeline;
        }
    });
    Channel channel = bootstrap.bind(new InetSocketAddress(host, 0));
    bindAddress = (InetSocketAddress) channel.getLocalAddress();
    url = URI.create(String.format("http://%s:%d", host, bindAddress.getPort())).resolve(TrackerService.PATH).toURL();
    channelGroup.add(channel);
}

Example 37 with Channel

use of org.jboss.netty.channel.Channel in project socket.io-netty by ibdknox.

the class GenericIOClient method disconnect.

public void disconnect() {
    Channel chan = ctx.getChannel();
    if (chan.isOpen()) {
        chan.close();
    }
    this.open = false;
}

Example 38 with Channel

use of org.jboss.netty.channel.Channel in project socket.io-netty by ibdknox.

the class PollingIOClient method _write.

private void _write(String message) {
    if (!this.open)
        return;
    HttpResponse res = new DefaultHttpResponse(HTTP_1_1, HttpResponseStatus.OK);
    res.addHeader(CONTENT_TYPE, "text/plain; charset=UTF-8");
    res.addHeader("Access-Control-Allow-Origin", "*");
    res.addHeader("Access-Control-Allow-Credentials", "true");
    res.addHeader("Connection", "keep-alive");
    res.setContent(ChannelBuffers.copiedBuffer(message, CharsetUtil.UTF_8));
    setContentLength(res, res.getContent().readableBytes());
    // Send the response and close the connection if necessary.
    Channel chan = ctx.getChannel();
    if (chan.isOpen()) {
        ChannelFuture f = chan.write(res);
        if (!isKeepAlive(req) || res.getStatus().getCode() != 200) {
            f.addListener(ChannelFutureListener.CLOSE);
        }
    }
    this.connected = false;
}

Example 39 with Channel

use of org.jboss.netty.channel.Channel in project databus by linkedin.

the class HttpRelay method disconnectDBusClients.

public synchronized void disconnectDBusClients(Channel exceptThis) {
    LOG.info("disconnectDBusClients");
    if (_httpChannelGroup != null) {
        LOG.info("Total " + _httpChannelGroup.size() + " channels");
        for (Channel channel : _httpChannelGroup) {
            // Keep the server channel and REST channel
            if ((channel instanceof ServerChannel) || (exceptThis != null && channel.getId().equals(exceptThis.getId()))) {
                LOG.info("Skipping closing channel" + channel.getId());
            } else {
                LOG.info("closing channel" + channel.getId());
                channel.close();
            }
        }
    }
}

Example 40 with Channel

use of org.jboss.netty.channel.Channel in project databus by linkedin.

the class RelayCommandRequestProcessor method process.

@Override
public DatabusRequest process(DatabusRequest request) throws IOException, RequestProcessingException {
    String command = request.getParams().getProperty(DatabusRequest.PATH_PARAM_NAME);
    if (null == command) {
        throw new InvalidRequestParamValueException(COMMAND_NAME, "command", "null");
    }
    String reply = "Command " + command + " completed ";
    LOG.info("got relayCommand = " + command);
    if (command.equals(SAVE_META_STATE_PARAM)) {
        _relay.saveBufferMetaInfo(true);
    } else if (command.equals(SHUTDOWN_RELAY_PARAM)) {
        String msg = "received shutdown curl request from: " + request.getRemoteAddress() + ". Shutting down\n";
        LOG.warn(msg);
        request.getResponseContent().write(ByteBuffer.wrap(msg.getBytes("UTF-8")));
        request.getResponseContent().close();
        _relay.shutdown();
    } else if (command.equals(VALIDATE_RELAY_BUFFER_PARAM)) {
        _relay.validateRelayBuffers();
    } else if (command.equals(DISCONNECT_CLIENTS)) {
        Channel rspChannel = request.getResponseContent().getRawChannel();
        _relay.disconnectDBusClients(rspChannel);
    } else if (command.equals(RUN_GC_PARAM)) {
        Runtime rt = Runtime.getRuntime();
        long mem = rt.freeMemory();
        LOG.info("mem before gc = " + rt.freeMemory() + " out of " + rt.totalMemory());
        long time = System.currentTimeMillis();
        System.gc();
        time = System.currentTimeMillis() - time;
        mem = rt.freeMemory() - mem;
        reply = new String("GC run. Took " + time + " millsecs. Freed " + mem + " bytes out of " + rt.totalMemory());
    } else if (command.startsWith(RESET_RELAY_BUFFER_PARAM)) {
        // We expect the request to be of the format:
        //   resetRelayBuffer/<dbName>/<partitionId>?prevScn=<long>&binlogOffset=<long>
        String[] resetCommands = command.split("/");
        if (resetCommands.length != 3) {
            throw new InvalidRequestParamValueException(COMMAND_NAME, "command", command);
        }
        String dbName = resetCommands[1];
        String dbPart = resetCommands[2];
        long prevScn = request.getRequiredLongParam(PREV_SCN_PARAM);
        long binlogOffset = request.getOptionalLongParam(BINLOG_OFFSET_PARAM, 0L);
        LOG.info("reset command = " + dbName + " part =" + dbPart);
        try {
            _relay.resetBuffer(new PhysicalPartition(Integer.parseInt(dbPart), dbName), prevScn, binlogOffset);
        } catch (BufferNotFoundException e) {
            reply = new String("command " + command + ":" + e.getMessage());
        }
    } else if (command.startsWith(GET_BINLOG_OFFSET_PARAM)) {
        String[] getOfsArgs = command.split("/");
        if (getOfsArgs.length != 2) {
            throw new InvalidRequestParamValueException(GET_BINLOG_OFFSET_PARAM, "Server ID", "");
        }
        int serverId;
        try {
            serverId = Integer.parseInt(getOfsArgs[1]);
            int[] offset = _relay.getBinlogOffset(serverId);
            if (offset.length != 2) {
                reply = "Error getting binlog offset";
            } else {
                reply = new String("RelayLastEvent(" + offset[0] + "," + offset[1] + ")");
            }
        } catch (NumberFormatException e) {
            throw new InvalidRequestParamValueException(GET_BINLOG_OFFSET_PARAM, "Server ID", getOfsArgs[1]);
        } catch (DatabusException e) {
            reply = new String("command " + command + "failed with:" + e.getMessage());
        }
    } else if (command.startsWith(PRINT_RELAY_INFO_PARAM)) {
        try {
            Map<String, String> infoMap = _relay.printInfo();
            reply = makeJsonResponse(infoMap, request);
        } catch (Exception e) {
            reply = new String("command " + command + " failed with:" + e.getMessage());
        }
    } else {
        // invalid command
        reply = new String("command " + command + " is invalid. Valid commands are: " + SAVE_META_STATE_PARAM + "|" + SHUTDOWN_RELAY_PARAM + "|" + VALIDATE_RELAY_BUFFER_PARAM + "|" + RUN_GC_PARAM + "|" + RESET_RELAY_BUFFER_PARAM + "|" + GET_BINLOG_OFFSET_PARAM + "|" + PRINT_RELAY_INFO_PARAM + "|" + DISCONNECT_CLIENTS);
    }
    byte[] responseBytes = new byte[(reply.length() + 2)];
    System.arraycopy(reply.getBytes("UTF-8"), 0, responseBytes, 0, reply.length());
    int idx = reply.length();
    responseBytes[idx] = (byte) '\r';
    responseBytes[idx + 1] = (byte) '\n';
    request.getResponseContent().write(ByteBuffer.wrap(responseBytes));
    return request;
}