Example usage for java.net ServerSocket setReuseAddress

Introduction

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

Prototype

public void setReuseAddress(boolean on) throws SocketException 

Source Link

Document

Enable/disable the SocketOptions#SO_REUSEADDR SO_REUSEADDR socket option.

Usage

From source file:org.apache.marmotta.platform.core.test.base.JettyMarmotta.java

public static boolean isPortAvailable(final int port) {
    ServerSocket ss = null;
    try {/*from  www. j a  v  a 2 s.c  o m*/
        ss = new ServerSocket(port);
        ss.setReuseAddress(true);
        return true;
    } catch (final IOException e) {

    } finally {
        if (ss != null) {
            try {
                ss.close();
            } catch (IOException e) {

            }
        }
    }
    return false;
}

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From source file:it.geosolutions.geostore.services.rest.SecurityTest.java

/**
 * Checks if a network host / port is already occupied.
 * //from  ww w . ja  v  a 2s  .  c o m
 * @param host
 * @param port
 * @return
 */
private static boolean portIsBusy(String host, int port) {
    ServerSocket ss = null;
    DatagramSocket ds = null;
    try {
        ss = new ServerSocket(port);
        ss.setReuseAddress(true);
        ds = new DatagramSocket(port);
        ds.setReuseAddress(true);
        return false;
    } catch (IOException e) {
    } finally {
        if (ds != null) {
            ds.close();
        }
        if (ss != null) {
            try {
                ss.close();
            } catch (IOException e) {
                /* should not be thrown */
            }
        }
    }
    return true;
}

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From source file:org.exoplatform.addons.es.integration.BaseIntegrationTest.java

/**
 * Get a random available port/*from   w  w w.  jav a 2 s  .c o  m*/
 * @return
 * @throws IOException
 */
private static int getAvailablePort() throws IOException {
    ServerSocket ss = null;
    DatagramSocket ds = null;
    try {
        ss = new ServerSocket(0);
        ss.setReuseAddress(true);
        ds = new DatagramSocket(0);
        ds.setReuseAddress(true);
        return ss.getLocalPort();
    } finally {
        if (ds != null) {
            ds.close();
        }

        if (ss != null) {
            try {
                ss.close();
            } catch (IOException e) {
                /* should not be thrown */
            }
        }
    }
}

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From source file:org.apache.tajo.rpc.NettyServerBase.java

private static boolean available(int port) throws IOException {
    if (port < 1024 || port > 65535) {
        throw new IllegalArgumentException("Port Number Out of Bound: " + port);
    }/*from  ww  w.  ja va 2  s .  c o  m*/

    ServerSocket ss = null;
    DatagramSocket ds = null;

    try {
        ss = new ServerSocket(port);
        ss.setReuseAddress(true);

        ds = new DatagramSocket(port);
        ds.setReuseAddress(true);

        return true;

    } catch (IOException e) {
        return false;
    } finally {
        if (ss != null) {
            ss.close();
        }

        if (ds != null) {
            ds.close();
        }
    }
}

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From source file:org.kiji.schema.cassandra.TestingCassandraFactory.java

/**
 * Find an available port./* w  w  w . j a va  2  s. c om*/
 *
 * @return an open port number.
 * @throws IllegalArgumentException if it can't find an open port.
 */
private static int findOpenPort() {
    try {
        ServerSocket serverSocket = new ServerSocket(0);
        int portNumber = serverSocket.getLocalPort();
        serverSocket.setReuseAddress(true);
        serverSocket.close();
        LOG.debug("Found usable port {}", portNumber);
        return portNumber;
    } catch (IOException ioe) {
        throw new RuntimeException("Could not find open port.");
    }
}

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From source file:ubicrypt.core.TestUtils.java

/**
 * Returns a free port number on localhost.
 *
 * <p>Heavily inspired from org.eclipse.jdt.launching.SocketUtil (to avoid a dependency to JDT
 * just because of this). Slightly improved with stop() missing in JDT. And throws exception
 * instead of returning -1./*from  w  w w  . j a v a2  s.c o  m*/
 *
 * @return a free port number on localhost
 * @throws IllegalStateException if unable to find a free port
 */
public static int findFreePort() {
    ServerSocket socket = null;
    do {
        try {
            final int port = ThreadLocalRandom.current().nextInt(49152, 65535 + 1);
            socket = new ServerSocket(port);
            socket.setReuseAddress(false);
            try {
                socket.close();
            } catch (final IOException e) {
                // Ignore IOException on stop()
            }
            return port;
        } catch (final IOException e) {
        } finally {
            if (socket != null) {
                try {
                    socket.close();
                } catch (final IOException e) {
                }
            }
        }
    } while (true);
}

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From source file:fr.fastconnect.factory.tibco.bw.maven.bwengine.AbstractServiceEngineMojo.java

public static boolean available(int port, int minPort, int maxPort) {
    if (port < minPort || port > maxPort || port > 65535) {
        throw new IllegalArgumentException("Invalid start port: " + port);
    }//w ww .j  av a  2s  .  co m

    ServerSocket ss = null;
    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) {
                /* should not be thrown */
            }
        }
    }

    return false;
}

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

private static void startListening(final Selector connectSelector, final int port) throws IOException {
    ServerSocketChannel serverChannel = ServerSocketChannel.open();
    serverChannel.configureBlocking(false);

    ServerSocket servSocket = serverChannel.socket();
    servSocket.setReuseAddress(true);
    servSocket.bind(new InetSocketAddress(port));

    serverChannel.register(connectSelector, SelectionKey.OP_ACCEPT);
    if (LOG.isInfoEnabled()) {
        LOG.info("GridNioServer is started at port: " + port);
    }//from   w ww .  j av a 2 s  . co  m
}

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From source file:io.github.kitarek.elasthttpd.server.networking.HttpConfiguredServerSocket.java

private static void setSocketReuseAddress(final SocketConfiguration socketConfiguration,
        final ServerSocket serverSocket) {
    socketConfiguration.getAddressAndPortReusePolicy().map(new OptionalMapper<AddressAndPortReusePolicy>() {
        public void present(AddressAndPortReusePolicy addressAndPortReusePolicy) {
            try {
                serverSocket.setReuseAddress(
                        addressAndPortReusePolicy == REUSE_PORT_AND_IP_ADDRESS_RISKING_DELIVERY_OF_OLD_PACKETS);
            } catch (SocketException e) {
                throw new IllegalStateException("Cannot set socket receive buffer size", e);
            }/*from  w w w  . j  a  v  a2 s . c om*/
        }
    });
}

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From source file:org.jumpmind.util.AppUtils.java

/**
 * Checks to see if a specific port is available.
 *
 * @param port/*w w  w  .j  ava2 s  .  c o m*/
 *            the port to check for availability
 */
public static boolean isPortAvailable(int port) {
    if (port < 1 || port > 65535) {
        throw new IllegalArgumentException("Invalid start port: " + port);
    }

    ServerSocket ss = null;
    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) {
                /* should not be thrown */
            }
        }
    }

    return false;
}

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