/* * Copyright (c) 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.sdp;import java.io.IOException;import java.io.FileDescriptor;import java.security.AccessController;import sun.misc.SharedSecrets;import sun.misc.JavaIOFileDescriptorAccess;/** * This class defines methods for creating SDP sockets or "converting" existing * file descriptors, referencing (unbound) TCP sockets, to SDP. */public final class SdpSupport { private static final String os = AccessController .doPrivileged(new sun.security.action.GetPropertyAction("os.name")); private static final boolean isSupported = (os.equals("SunOS") || (os.equals("Linux"))); private static final JavaIOFileDescriptorAccess fdAccess = SharedSecrets.getJavaIOFileDescriptorAccess(); private SdpSupport() { } /** * Creates a SDP socket, returning file descriptor referencing the socket. */ public static FileDescriptor createSocket() throws IOException { if (!isSupported) throw new UnsupportedOperationException("SDP not supported on this platform"); int fdVal = create0(); FileDescriptor fd = new FileDescriptor(); fdAccess.set(fd, fdVal); return fd; } /** * Converts an existing file descriptor, that references an unbound TCP socket, * to SDP. */ public static void convertSocket(FileDescriptor fd) throws IOException { if (!isSupported) throw new UnsupportedOperationException("SDP not supported on this platform"); int fdVal = fdAccess.get(fd); convert0(fdVal); } private static native int create0() throws IOException; private static native void convert0(int fd) throws IOException; static { AccessController.doPrivileged( new sun.security.action.LoadLibraryAction("net")); }}
/*
* Copyright (c) 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.sdp;
import java.io.IOException;
import java.io.FileDescriptor;
import java.security.AccessController;
import sun.misc.SharedSecrets;
import sun.misc.JavaIOFileDescriptorAccess;
/**
* This class defines methods for creating SDP sockets or "converting" existing
* file descriptors, referencing (unbound) TCP sockets, to SDP.
*/
public final class SdpSupport {
private static final String os = AccessController
.doPrivileged(new sun.security.action.GetPropertyAction("os.name"));
private static final boolean isSupported = (os.equals("SunOS") || (os.equals("Linux")));
private static final JavaIOFileDescriptorAccess fdAccess =
SharedSecrets.getJavaIOFileDescriptorAccess();
private SdpSupport() { }
/**
* Creates a SDP socket, returning file descriptor referencing the socket.
*/
public static FileDescriptor createSocket() throws IOException {
if (!isSupported)
throw new UnsupportedOperationException("SDP not supported on this platform");
int fdVal = create0();
FileDescriptor fd = new FileDescriptor();
fdAccess.set(fd, fdVal);
return fd;
}
/**
* Converts an existing file descriptor, that references an unbound TCP socket,
* to SDP.
*/
public static void convertSocket(FileDescriptor fd) throws IOException {
if (!isSupported)
throw new UnsupportedOperationException("SDP not supported on this platform");
int fdVal = fdAccess.get(fd);
convert0(fdVal);
}
private static native int create0() throws IOException;
private static native void convert0(int fd) throws IOException;
static {
AccessController.doPrivileged(
new sun.security.action.LoadLibraryAction("net"));
}
}