Quelle NetHooks.java Sprache: JAVA

/*
* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.  Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/

package sun.net;

import java.net.InetAddress;
import java.io.FileDescriptor;
import java.io.IOException;

/**
* Defines static methods to be invoked prior to binding or connecting TCP sockets.
*/

public final class NetHooks {

    /**
     * A provider with hooks to allow sockets be converted prior to binding or
     * connecting a TCP socket.
     *
     * <p> Concrete implementations of this class should define a zero-argument
     * constructor and implement the abstract methods specified below.
     */
    public abstract static class Provider {
        /**
         * Initializes a new instance of this class.
         */
        protected Provider() {}

        /**
         * Invoked prior to binding a TCP socket.
         */
        public abstract void implBeforeTcpBind(FileDescriptor fdObj,
                                               InetAddress address,
                                               int port)
            throws IOException;

        /**
         * Invoked prior to connecting an unbound TCP socket.
         */
        public abstract void implBeforeTcpConnect(FileDescriptor fdObj,
                                                 InetAddress address,
                                                 int port)
            throws IOException;
    }

    /**
     * For now, we load the SDP provider on Solaris. In the future this may
     * be changed to use the ServiceLoader facility to allow the deployment of
     * other providers.
     */
    private static final Provider provider = new sun.net.sdp.SdpProvider();

    /**
     * Invoke prior to binding a TCP socket.
     */
    public static void beforeTcpBind(FileDescriptor fdObj,
                                     InetAddress address,
                                     int port)
        throws IOException
    {
        provider.implBeforeTcpBind(fdObj, address, port);
    }

    /**
     * Invoke prior to connecting an unbound TCP socket.
     */
    public static void beforeTcpConnect(FileDescriptor fdObj,
                                        InetAddress address,
                                        int port)
        throws IOException
    {
        provider.implBeforeTcpConnect(fdObj, address, port);
    }
}

quality93%

¤ Dauer der Verarbeitung: 0.0 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.