Example usage for java.net ServerSocket ServerSocket

Introduction

In this page you can find the example usage for java.net ServerSocket ServerSocket.

Prototype

public ServerSocket(int port) throws IOException 

Source Link

Document

Creates a server socket, bound to the specified port.

Usage

From source file:com.metamx.tranquility.kafka.KafkaConsumerTest.java

private static KafkaConfig getKafkaTestConfig() throws Exception {
    int port;/*w ww. j a  va  2 s . c  om*/
    try (ServerSocket server = new ServerSocket(0)) {
        port = server.getLocalPort();
    }

    Properties props = new Properties();
    props.put("broker.id", "0");
    props.put("host.name", "localhost");
    props.put("port", port);
    props.put("log.dir", tempDir.getPath());
    props.put("zookeeper.connect", zk.getConnectString());
    props.put("replica.socket.timeout.ms", "1500");
    return new KafkaConfig(props);
}

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From source file:disko.flow.analyzers.socket.SocketReceiver.java

@SuppressWarnings("unchecked")
public void process(C ctx, Ports ports) throws InterruptedException {
    log.debug("Listening to port " + port);
    ServerSocket serverSocket = null;

    try {//from   w  w  w .j a va  2s. c  o  m
        serverSocket = new ServerSocket(port);
        serverSocket.setSoTimeout(5000);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    log.debug("Server socket created.");
    Set<OutputPort> closedPorts = new HashSet<OutputPort>();
    try {
        while (closedPorts.size() < ports.getOutputCount()) {
            Message message = readMessage(serverSocket);
            if (message == null)
                break;
            OutputPort output = ports.getOutput(message.getChannelId());
            if (output == null) {
                log.error("OutputPort to channel " + message.getChannelId() + " not found!");
            } else if (message.getData() == null) {
                log.debug("Received EOS of " + message.getChannelId());
                if (!ignoreEOF) {
                    output.close();
                    closedPorts.add(output);
                }
            } else if (output.put(message.getData())) {
                log.debug("Accepted " + message);
            } else {
                closedPorts.add(output);
                log.debug("Ignoring " + message);
            }
        }
    } catch (Throwable t) {
        log.error("Exception at SocketReceiver.", t);
    }
    log.debug("All SocketREceiver outputs closed, exiting normally.");
    try {
        serverSocket.close();
    } catch (Exception ioe) {
        log.error(ioe);
    }
}

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From source file:com.android.unit_tests.TestHttpServer.java

public TestHttpServer() throws IOException {
    super();/*from   w w w.j av a 2s  .c  om*/
    this.params = new BasicHttpParams();
    this.params.setIntParameter(CoreConnectionPNames.SO_TIMEOUT, 20000)
            .setIntParameter(CoreConnectionPNames.SOCKET_BUFFER_SIZE, 8 * 1024)
            .setBooleanParameter(CoreConnectionPNames.STALE_CONNECTION_CHECK, false)
            .setBooleanParameter(CoreConnectionPNames.TCP_NODELAY, true)
            .setParameter(CoreProtocolPNames.ORIGIN_SERVER, "TEST-SERVER/1.1");
    this.httpproc = new BasicHttpProcessor();
    this.httpproc.addInterceptor(new ResponseDate());
    this.httpproc.addInterceptor(new ResponseServer());
    this.httpproc.addInterceptor(new ResponseContent());
    this.httpproc.addInterceptor(new ResponseConnControl());
    this.connStrategy = new DefaultConnectionReuseStrategy();
    this.responseFactory = new DefaultHttpResponseFactory();
    this.reqistry = new HttpRequestHandlerRegistry();
    this.serversocket = new ServerSocket(0);
}

---

From source file:com.bskyb.cg.environments.server.LogServer.java

private void openServerSocket() {
    try {/*from w  w w  .  j  a  v a2  s  . c om*/
        logger.info("Starting server on port : " + port);
        this.serverSocket = new ServerSocket(port);
    } catch (IOException e) {
        throw new RuntimeException("Cannot open port " + this.port, e);
    }
}

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From source file:gridool.communication.transport.tcp.GridMasterSlaveWorkerServer.java

private AcceptorThread acceptConnections(final int port, final BlockingQueue<Socket> taskQueue,
        final PooledRequestHandler handler) throws GridException {
    final ServerSocket ss;
    try {// w  w w . j av a  2 s  .  co m
        ss = new ServerSocket(port);
        ss.setReuseAddress(true);
    } catch (IOException e) {
        String errmsg = "Could not create ServerSocket on port: " + port;
        LogFactory.getLog(getClass()).error(errmsg, e);
        throw new GridException(errmsg);
    }

    if (LOG.isInfoEnabled()) {
        LOG.info("GridMultiWorkersServer is started at port: " + port);
    }

    final int growThreshold = config.getReadThreadsGrowThreshold();
    final AcceptorThread acceptor = new AcceptorThread(ss, taskQueue, readerPool, growThreshold, handler);
    acceptor.start();
    return acceptor;
}

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From source file:com.image32.demo.simpleapi.SimpleApiDemo.java

public static boolean checkPortAvailablity(int port) {

    ServerSocket ss = null;/* ww w. j a v  a  2 s .c  o m*/
    DatagramSocket ds = null;
    try {
        ss = new ServerSocket(port);
        ss.setReuseAddress(true);
        ds = new DatagramSocket(port);
        ds.setReuseAddress(true);
        return true;
    } catch (IOException e) {
    } finally {
        if (ds != null) {
            ds.close();
        }
        if (ss != null) {
            try {
                ss.close();
            } catch (IOException e) {
                return false;
            }
        }
    }
    return false;
}

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From source file:com.cloud.utils.crypt.EncryptionSecretKeyChecker.java

public void check(Properties dbProps) throws IOException {
    String encryptionType = dbProps.getProperty("db.cloud.encryption.type");

    s_logger.debug("Encryption Type: " + encryptionType);

    if (encryptionType == null || encryptionType.equals("none")) {
        return;//from  w  w  w .  j a v  a 2  s. co  m
    }

    if (s_useEncryption) {
        s_logger.warn("Encryption already enabled, is check() called twice?");
        return;
    }

    s_encryptor.setAlgorithm("PBEWithMD5AndDES");
    String secretKey = null;

    SimpleStringPBEConfig stringConfig = new SimpleStringPBEConfig();

    if (encryptionType.equals("file")) {
        InputStream is = this.getClass().getClassLoader().getResourceAsStream(s_keyFile);
        if (is == null) {
            is = this.getClass().getClassLoader().getResourceAsStream(s_altKeyFile);
        }
        if (is == null) { //This is means we are not able to load key file from the classpath.
            throw new CloudRuntimeException(
                    s_keyFile + " File containing secret key not found in the classpath: ");
        }
        BufferedReader in = null;
        try {
            in = new BufferedReader(new InputStreamReader(is));
            secretKey = in.readLine();
            //Check for null or empty secret key
        } catch (IOException e) {
            throw new CloudRuntimeException("Error while reading secret key from: " + s_keyFile, e);
        } finally {
            IOUtils.closeQuietly(in);
        }

        if (secretKey == null || secretKey.isEmpty()) {
            throw new CloudRuntimeException("Secret key is null or empty in file " + s_keyFile);
        }

    } else if (encryptionType.equals("env")) {
        secretKey = System.getenv(s_envKey);
        if (secretKey == null || secretKey.isEmpty()) {
            throw new CloudRuntimeException("Environment variable " + s_envKey + " is not set or empty");
        }
    } else if (encryptionType.equals("web")) {
        ServerSocket serverSocket = null;
        int port = 8097;
        try {
            serverSocket = new ServerSocket(port);
        } catch (IOException ioex) {
            throw new CloudRuntimeException("Error initializing secret key reciever", ioex);
        }
        s_logger.info("Waiting for admin to send secret key on port " + port);
        Socket clientSocket = null;
        try {
            clientSocket = serverSocket.accept();
        } catch (IOException e) {
            throw new CloudRuntimeException("Accept failed on " + port);
        }
        PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true);
        BufferedReader in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
        String inputLine;
        if ((inputLine = in.readLine()) != null) {
            secretKey = inputLine;
        }
        out.close();
        in.close();
        clientSocket.close();
        serverSocket.close();
    } else {
        throw new CloudRuntimeException("Invalid encryption type: " + encryptionType);
    }

    stringConfig.setPassword(secretKey);
    s_encryptor.setConfig(stringConfig);
    s_useEncryption = true;
}

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From source file:com.streamsets.pipeline.stage.origin.remote.TestRemoteDownloadSource.java

public void setupSSHD(String dataDir, boolean absolutePath) throws Exception {
    cd(dataDir, absolutePath);/*from  w  w  w  .  ja  va  2s. c  om*/
    ServerSocket s = new ServerSocket(0);
    port = s.getLocalPort();
    s.close();
    sshd = SshServer.setUpDefaultServer();
    sshd.setPort(port);
    sshd.setSubsystemFactories(Arrays.<NamedFactory<Command>>asList(new SftpSubsystemFactory()));
    sshd.setPasswordAuthenticator(new PasswdAuth());
    sshd.setPublickeyAuthenticator(new TestPublicKeyAuth());
    sshd.setKeyPairProvider(new HostKeyProvider());
    sshd.start();
}

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From source file:org.apache.servicemix.jbi.cluster.engine.AbstractClusterEndpointTest.java

protected int findFreePort() {
    int port = 61616;
    try {//w  w  w  .j  a v  a2 s .  c o  m
        ServerSocket ss = new ServerSocket(0);
        port = ss.getLocalPort();
        ss.close();
    } catch (Exception e) {
    }
    return port;
}

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From source file:com.chinamobile.bcbsp.pipes.Application.java

/**
 * This method is the constructor./*from w  ww .j  ava  2s . com*/
 * @param job
 *        contains BSPJob configuration
 */
public Application(BSPJob job) throws IOException, InterruptedException {
    serverSocket = new ServerSocket(0);
    Map<String, String> env = new HashMap<String, String>();
    env.put("TMPDIR", System.getProperty("java.io.tmpdir"));
    env.put("bcbsp.pipes.command.port", Integer.toString(serverSocket.getLocalPort()));
    List<String> cmd = new ArrayList<String>();
    String executable = job.getJobExe();
    FileUtil.chmod(executable, "a+x");
    cmd.add(executable);

    process = runClient(cmd, env);
    clientSocket = serverSocket.accept();
    this.handler = new TaskHandler();
    this.downlink = new BinaryProtocol(clientSocket, handler);
    this.downlink.start();
}

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