Example usage for java.net Socket bind

Introduction

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

Prototype

public void bind(SocketAddress bindpoint) throws IOException 

Source Link

Document

Binds the socket to a local address.

Usage

From source file:org.apache.hadoop.net.TestNetUtils.java

/**
 * Test that we can't accidentally connect back to the connecting socket due
 * to a quirk in the TCP spec.//w ww . j  ava  2 s.  c  o  m
 *
 * This is a regression test for HADOOP-6722.
 */
@Test
public void testAvoidLoopbackTcpSockets() throws Exception {
    Configuration conf = new Configuration();

    Socket socket = NetUtils.getDefaultSocketFactory(conf).createSocket();
    socket.bind(new InetSocketAddress("localhost", 0));
    System.err.println("local address: " + socket.getLocalAddress());
    System.err.println("local port: " + socket.getLocalPort());
    try {
        NetUtils.connect(socket, new InetSocketAddress(socket.getLocalAddress(), socket.getLocalPort()), 20000);
        socket.close();
        fail("Should not have connected");
    } catch (ConnectException ce) {
        System.err.println("Got exception: " + ce);
        assertTrue(ce.getMessage().contains("resulted in a loopback"));
    } catch (SocketException se) {
        // Some TCP stacks will actually throw their own Invalid argument
        // exception here. This is also OK.
        assertTrue(se.getMessage().contains("Invalid argument"));
    }
}

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From source file:org.apache.hama.util.BSPNetUtils.java

/**
 * Like {@link NetUtils#connect(Socket, SocketAddress, int)} but also takes a
 * local address and port to bind the socket to.
 * /*from www. j  a v a  2s  .  c  o m*/
 * @param socket
 * @param endpoint the remote address
 * @param localAddr the local address to bind the socket to
 * @param timeout timeout in milliseconds
 */
public static void connect(Socket socket, SocketAddress endpoint, SocketAddress localAddr, int timeout)
        throws IOException {
    if (socket == null || endpoint == null || timeout < 0) {
        throw new IllegalArgumentException("Illegal argument for connect()");
    }

    SocketChannel ch = socket.getChannel();

    if (localAddr != null) {
        socket.bind(localAddr);
    }

    if (ch == null) {
        // let the default implementation handle it.
        socket.connect(endpoint, timeout);
    } else {
        SocketIOWithTimeout.connect(ch, endpoint, timeout);
    }

    // There is a very rare case allowed by the TCP specification, such that
    // if we are trying to connect to an endpoint on the local machine,
    // and we end up choosing an ephemeral port equal to the destination port,
    // we will actually end up getting connected to ourself (ie any data we
    // send just comes right back). This is only possible if the target
    // daemon is down, so we'll treat it like connection refused.
    if (socket.getLocalPort() == socket.getPort() && socket.getLocalAddress().equals(socket.getInetAddress())) {
        LOG.info("Detected a loopback TCP socket, disconnecting it");
        socket.close();
        throw new ConnectException("Localhost targeted connection resulted in a loopback. "
                + "No daemon is listening on the target port.");
    }
}

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From source file:org.apache.jmeter.util.HttpSSLProtocolSocketFactory.java

/**
 * Attempts to get a new socket connection to the given host within the given time limit.
 *
 * @param host the host name/IP// w  w  w.j ava  2 s  .c om
 * @param port the port on the host
 * @param localAddress the local host name/IP to bind the socket to
 * @param localPort the port on the local machine
 * @param params {@link HttpConnectionParams Http connection parameters}
 *
 * @return Socket a new socket
 *
 * @throws IOException if an I/O error occurs while creating the socket
 * @throws UnknownHostException if the IP address of the host cannot be
 * determined
 */
@Override
public Socket createSocket(final String host, final int port, final InetAddress localAddress,
        final int localPort, final HttpConnectionParams params)
        throws IOException, UnknownHostException, ConnectTimeoutException {
    if (params == null) {
        throw new IllegalArgumentException("Parameters may not be null");
    }
    int timeout = params.getConnectionTimeout();

    SSLSocketFactory sslfac = getSSLSocketFactory();
    Socket socket;
    if (timeout == 0) {
        socket = sslfac.createSocket(host, port, localAddress, localPort);
    } else {
        socket = sslfac.createSocket();
        SocketAddress localaddr = new InetSocketAddress(localAddress, localPort);
        SocketAddress remoteaddr = new InetSocketAddress(host, port);
        socket.bind(localaddr);
        socket.connect(remoteaddr, timeout);
    }
    setSocket(socket);
    return wrapSocket(socket);
}

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From source file:org.archive.modules.fetcher.HeritrixProtocolSocketFactory.java

/**
 * Attempts to get a new socket connection to the given host within the
 * given time limit.//  ww  w  .j ava  2  s .  co m
 * <p>
 * This method employs several techniques to circumvent the limitations
 * of older JREs that do not support connect timeout. When running in
 * JRE 1.4 or above reflection is used to call
 * Socket#connect(SocketAddress endpoint, int timeout) method. When
 * executing in older JREs a controller thread is executed. The
 * controller thread attempts to create a new socket within the given
 * limit of time. If socket constructor does not return until the
 * timeout expires, the controller terminates and throws an
 * {@link ConnectTimeoutException}
 * </p>
 *
 * @param host the host name/IP
 * @param port the port on the host
 * @param localAddress the local host name/IP to bind the socket to
 * @param localPort the port on the local machine
 * @param params {@link HttpConnectionParams Http connection parameters}
 *
 * @return Socket a new socket
 *
 * @throws IOException if an I/O error occurs while creating the socket
 * @throws UnknownHostException if the IP address of the host cannot be
 * @throws IOException if an I/O error occurs while creating the socket
 * @throws UnknownHostException if the IP address of the host cannot be
 * determined
 * @throws ConnectTimeoutException if socket cannot be connected within the
 *  given time limit
 *
 * @since 3.0
 */
public Socket createSocket(final String host, final int port, final InetAddress localAddress,
        final int localPort, final HttpConnectionParams params)
        throws IOException, UnknownHostException, ConnectTimeoutException {
    // Below code is from the DefaultSSLProtocolSocketFactory#createSocket
    // method only it has workarounds to deal with pre-1.4 JVMs.  I've
    // cut these out.
    if (params == null) {
        throw new IllegalArgumentException("Parameters may not be null");
    }
    Socket socket = null;
    int timeout = params.getConnectionTimeout();
    if (timeout == 0) {
        socket = createSocket(host, port, localAddress, localPort);
    } else {
        socket = new Socket();

        InetAddress hostAddress;
        Thread current = Thread.currentThread();
        if (current instanceof HostResolver) {
            HostResolver resolver = (HostResolver) current;
            hostAddress = resolver.resolve(host);
        } else {
            hostAddress = null;
        }
        InetSocketAddress address = (hostAddress != null) ? new InetSocketAddress(hostAddress, port)
                : new InetSocketAddress(host, port);
        socket.bind(new InetSocketAddress(localAddress, localPort));
        try {
            socket.connect(address, timeout);
        } catch (SocketTimeoutException e) {
            // Add timeout info. to the exception.
            throw new SocketTimeoutException(
                    e.getMessage() + ": timeout set at " + Integer.toString(timeout) + "ms.");
        }
        assert socket.isConnected() : "Socket not connected " + host;
    }
    return socket;
}

---

From source file:org.archive.modules.fetcher.HeritrixSSLProtocolSocketFactory.java

public synchronized Socket createSocket(String host, int port, InetAddress localAddress, int localPort,
        HttpConnectionParams params) throws IOException, UnknownHostException {
    // Below code is from the DefaultSSLProtocolSocketFactory#createSocket
    // method only it has workarounds to deal with pre-1.4 JVMs.  I've
    // cut these out.
    if (params == null) {
        throw new IllegalArgumentException("Parameters may not be null");
    }/*from ww w. ja  va 2 s  .  com*/
    Socket socket = null;
    int timeout = params.getConnectionTimeout();
    if (timeout == 0) {
        socket = createSocket(host, port, localAddress, localPort);
    } else {
        SSLSocketFactory factory = (SSLSocketFactory) params.getParameter(FetchHTTP.SSL_FACTORY_KEY);
        SSLSocketFactory f = (factory != null) ? factory : this.sslDefaultFactory;
        socket = f.createSocket();

        Thread current = Thread.currentThread();
        InetAddress hostAddress;
        if (current instanceof HostResolver) {
            HostResolver resolver = (HostResolver) current;
            hostAddress = resolver.resolve(host);
        } else {
            hostAddress = null;
        }
        InetSocketAddress address = (hostAddress != null) ? new InetSocketAddress(hostAddress, port)
                : new InetSocketAddress(host, port);
        socket.bind(new InetSocketAddress(localAddress, localPort));
        try {
            socket.connect(address, timeout);
        } catch (SocketTimeoutException e) {
            // Add timeout info. to the exception.
            throw new SocketTimeoutException(
                    e.getMessage() + ": timeout set at " + Integer.toString(timeout) + "ms.");
        }
        assert socket.isConnected() : "Socket not connected " + host;
    }
    return socket;
}

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From source file:org.candlepin.client.AbstractSLLProtocolSocketFactory.java

public Socket createSocket(final String host, final int port, final InetAddress localAddress,
        final int localPort, final HttpConnectionParams params)
        throws IOException, UnknownHostException, ConnectTimeoutException {

    if (params == null) {
        throw new IllegalArgumentException("Parameters may not be null");
    }/* w w w .  j a  v  a 2 s .  c o m*/
    int timeout = params.getConnectionTimeout();
    SocketFactory socketfactory = getSSLContext().getSocketFactory();
    if (timeout == 0) {
        return socketfactory.createSocket(host, port, localAddress, localPort);
    } else {
        Socket socket = socketfactory.createSocket();
        SocketAddress localaddr = new InetSocketAddress(localAddress, localPort);
        SocketAddress remoteaddr = new InetSocketAddress(host, port);
        socket.bind(localaddr);
        socket.connect(remoteaddr, timeout);
        return socket;
    }
}

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From source file:org.codeartisans.proxilet.EasySSLProtocolSocketFactory.java

@Override
public Socket createSocket(String host, int port, InetAddress localAddress, int localPort,
        HttpConnectionParams params) throws IOException, UnknownHostException, ConnectTimeoutException {
    if (params == null) {
        throw new IllegalArgumentException("Parameters may not be null");
    }/*from w  ww. j  av  a2  s.  c om*/
    int timeout = params.getConnectionTimeout();
    SocketFactory socketfactory = getSSLContext().getSocketFactory();
    if (timeout == 0) {
        return socketfactory.createSocket(host, port, localAddress, localPort);
    } else {
        Socket socket = socketfactory.createSocket();
        SocketAddress localaddr = new InetSocketAddress(localAddress, localPort);
        SocketAddress remoteaddr = new InetSocketAddress(host, port);
        socket.bind(localaddr);
        socket.connect(remoteaddr, timeout);
        return socket;
    }
}

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From source file:org.conqat.engine.bugzilla.lib.SimpleSSLSocketFactory.java

/** {@inheritDoc} */
@Override/*from   w  w  w. java 2s .com*/
public Socket createSocket(String host, int port, InetAddress localAddress, int localPort)
        throws IOException, UnknownHostException {
    // work-around for bug in Java 7 (see
    // http://stackoverflow.com/questions/7615645/ssl-handshake-alert-unrecognized-name-error-since-upgrade-to-java-1-7-0
    // and http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7127374 for
    // details)
    Socket socket = sc.getSocketFactory().createSocket();
    socket.bind(new InetSocketAddress(localAddress, localPort));
    socket.connect(new InetSocketAddress(host, port));
    return socket;
}

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From source file:org.devproof.portal.core.module.common.util.httpclient.ssl.EasySSLProtocolSocketFactory.java

/**
 * Attempts to get a new socket connection to the given host within the
 * given time limit.//ww w. j ava2  s.co m
 * <p>
 * To circumvent the limitations of older JREs that do not support connect
 * timeout a controller thread is executed. The controller thread attempts
 * to create a new socket within the given limit of time. If socket
 * constructor does not return until the timeout expires, the controller
 * terminates and throws an {@link ConnectTimeoutException}
 * </p>
 *
 * @param host         the host name/IP
 * @param port         the port on the host
 * @param localAddress the local host name/IP to bind the socket to
 * @param localPort    the port on the local machine
 * @param params       {@link HttpConnectionParams Http connection parameters}
 * @return Socket a new socket
 * @throws IOException          if an I/O error occurs while creating the socket
 * @throws UnknownHostException if the IP address of the host cannot be determined
 */
public Socket createSocket(String host, int port, InetAddress localAddress, int localPort,
        HttpConnectionParams params) throws IOException {
    if (params == null) {
        throw new IllegalArgumentException("Parameters may not be null");
    }
    int timeout = params.getConnectionTimeout();
    SocketFactory socketfactory = getSSLContext().getSocketFactory();
    if (timeout == 0) {
        return socketfactory.createSocket(host, port, localAddress, localPort);
    } else {
        Socket socket = socketfactory.createSocket();
        SocketAddress localaddr = new InetSocketAddress(localAddress, localPort);
        SocketAddress remoteaddr = new InetSocketAddress(host, port);
        socket.bind(localaddr);
        socket.connect(remoteaddr, timeout);
        return socket;
    }
}

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From source file:org.eclipse.mylyn.internal.commons.net.PollingProtocolSocketFactory.java

public Socket createSocket(String host, int port, InetAddress localAddress, int localPort,
        HttpConnectionParams params) throws IOException, UnknownHostException, ConnectTimeoutException {
    if (params == null) {
        throw new IllegalArgumentException("Parameters may not be null"); //$NON-NLS-1$
    }//from  w w w . j av a 2 s  .  c  om

    int timeout = params.getConnectionTimeout();
    Socket socket = factory.createSocket();
    socket.bind(new InetSocketAddress(localAddress, localPort));
    MonitoredRequest.connect(socket, new InetSocketAddress(host, port), timeout);
    return socket;
}

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