Examples of java.net.Socket.bind()

java.net.Socket.bind()
Binds the socket to a local address.
If the address is null, then the system will pick up an ephemeral port and a valid local address to bind the socket. @param bindpoint the SocketAddress to bind to @throws IOException if the bind operation fails, or if the socketis already bound. @throws IllegalArgumentException if bindpoint is aSocketAddress subclass not supported by this socket @since 1.4 @see #isBound

                        "babudb.repl.participant." + number + ".port", null)) != null) {
            
            if (address == null) {
                s = new Socket();
                try {
                    s.bind(addrs);
                    address = addrs;
                } catch (Throwable t) {
                    // even if a participant's address is not reachable, or cannot
                    // be resolved, it never will be ignored completely, because
                    // it may become available later

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                validateAddress(request.getRemoteAddress());
                
                if (request.getLocalAddress() != null) {
                    Socket sock = socketChannel.socket();
                    sock.setReuseAddress(HttpConnectionParams.getSoReuseaddr(this.params));
                    sock.bind(request.getLocalAddress());
                }
                boolean connected = socketChannel.connect(request.getRemoteAddress());
                if (connected) {
                    prepareSocket(socketChannel.socket());
                    ChannelEntry entry = new ChannelEntry(socketChannel, request);

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        // Address we cannot bind to
        Socket theSocket = new Socket();
        InetSocketAddress bogusAddress = new InetSocketAddress(InetAddress
                .getByAddress(Support_Configuration.nonLocalAddressBytes), 42);
        try {
            theSocket.bind(bogusAddress);
            fail("No exception when binding to bad address");
        } catch (IOException ex) {
            // Expected
        }
        theSocket.close();

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        }
        theSocket.close();


        // Now create a socket that is not bound and then bind it
        theSocket = new Socket();
        theSocket.bind(new InetSocketAddress(InetAddress.getLocalHost(), 0));
        int portNumber = theSocket.getLocalPort();


        // Validate that the localSocketAddress reflects the address we
        // bound to
        assertEquals("Local address not correct after bind",

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        theAddress = new InetSocketAddress(InetAddress.getLocalHost(), 0);
        theSocket.bind(theAddress);


        Socket theSocket2 = new Socket();
        try {
            theSocket2.bind(theSocket.getLocalSocketAddress());
            fail("No exception binding to address that is not available");
        } catch (IOException ex) {
            // Expected
        }
        theSocket.close();

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        Proxy proxy = new Proxy(Proxy.Type.SOCKS, new InetSocketAddress(
                "127.0.0.1", 0));
        Socket socket = new Socket(proxy);


        InetAddress address = InetAddress.getByName("localhost");
        socket.bind(new InetSocketAddress(address, 0));


        assertEquals(address, socket.getLocalAddress());
        assertTrue(0 != socket.getLocalPort());


        socket.close();

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        client.close();


        // now create one that is not connected and validate that we get the
        // right answer
        Socket theSocket = new Socket();
        theSocket.bind(new InetSocketAddress(InetAddress.getLocalHost(), 0));
        assertNull("Returned incorrect InetSocketAddress -unconnected socket:",
                theSocket.getRemoteSocketAddress());


        // now connect and validate we get the right answer
        theSocket.connect(new InetSocketAddress(InetAddress.getLocalHost(),

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        try {
            Socket theSocket = new Socket();
            theSocket.setReuseAddress(false);
            // Bind to any available port on the given address
            theSocket
                    .bind(new InetSocketAddress(InetAddress.getLocalHost(), 0));
            InetSocketAddress localAddress1 = new InetSocketAddress(theSocket
                    .getLocalAddress(), theSocket.getLocalPort());


            Socket theSocket2 = new Socket();

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             * Try to invoke a bind while the port is busy (TIME_WAIT). Note
             * that we may not succeed, which will cause the test to pass
             * without testing the reuseaddr behavior.
             */
            theSocket.close();
            theSocket2.bind(localAddress1);


            theSocket2.close();


            ensureExceptionThrownIfOptionIsUnsupportedOnOS(SO_REUSEADDR);
        } catch (Exception e) {

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                .getProperty("java.net.preferIPv4Stack");
        String preferIPv6AddressesValue = System
                .getProperty("java.net.preferIPv6Addresses");


        client = new Socket();
        client.bind(new InetSocketAddress(InetAddress.getByName("0.0.0.0"), 0));


        if (((preferIPv4StackValue == null) || preferIPv4StackValue
                .equalsIgnoreCase("false"))
                && (preferIPv6AddressesValue != null)
                && (preferIPv6AddressesValue.equals("true"))) {

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