author | ohair |
Tue, 28 Dec 2010 15:53:50 -0800 | |
changeset 7668 | d4a77089c587 |
parent 7545 | 409091945418 |
child 9679 | d98ae8bc45fc |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.nio.ch; |
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import java.io.FileDescriptor; |
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import java.io.IOException; |
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import java.net.InetAddress; |
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import java.net.InetSocketAddress; |
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import java.net.SocketAddress; |
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import java.nio.channels.AlreadyBoundException; |
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import java.util.Set; |
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import java.util.HashSet; |
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import java.security.AccessController; |
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import sun.security.action.GetPropertyAction; |
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import com.sun.nio.sctp.SctpSocketOption; |
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import static com.sun.nio.sctp.SctpStandardSocketOption.*; |
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public class SctpNet { |
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static final String osName = AccessController.doPrivileged( |
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new GetPropertyAction("os.name")); |
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/* -- Miscellaneous SCTP utilities -- */ |
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private static boolean IPv4MappedAddresses() { |
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if ("SunOS".equals(osName)) { |
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/* Solaris supports IPv4Mapped Addresses with bindx */ |
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return true; |
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} /* else { //other OS/implementations */ |
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/* lksctp/linux requires Ipv4 addresses */ |
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return false; |
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} |
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static boolean throwAlreadyBoundException() throws IOException { |
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throw new AlreadyBoundException(); |
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} |
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static void listen(int fd, int backlog) throws IOException { |
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listen0(fd, backlog); |
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} |
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static int connect(int fd, InetAddress remote, int remotePort) |
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throws IOException { |
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return connect0(fd, remote, remotePort); |
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} |
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static void close(int fd) throws IOException { |
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close0(fd); |
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} |
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static void preClose(int fd) throws IOException { |
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preClose0(fd); |
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} |
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/** |
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* @param oneToOne |
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* if {@code true} returns a one-to-one sctp socket, otherwise |
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* returns a one-to-many sctp socket |
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*/ |
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static FileDescriptor socket(boolean oneToOne) throws IOException { |
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int nativefd = socket0(oneToOne); |
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return IOUtil.newFD(nativefd); |
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} |
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static void bindx(int fd, InetAddress[] addrs, int port, boolean add) |
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throws IOException { |
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bindx(fd, addrs, port, addrs.length, add, |
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IPv4MappedAddresses()); |
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} |
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static Set<SocketAddress> getLocalAddresses(int fd) |
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throws IOException { |
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HashSet<SocketAddress> set = null; |
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SocketAddress[] saa = getLocalAddresses0(fd); |
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if (saa != null) { |
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set = new HashSet<SocketAddress>(saa.length); |
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for (SocketAddress sa : saa) |
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set.add(sa); |
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} |
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return set; |
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} |
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static Set<SocketAddress> getRemoteAddresses(int fd, int assocId) |
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throws IOException { |
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HashSet<SocketAddress> set = null; |
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SocketAddress[] saa = getRemoteAddresses0(fd, assocId); |
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if (saa != null) { |
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set = new HashSet<SocketAddress>(saa.length); |
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for (SocketAddress sa : saa) |
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set.add(sa); |
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} |
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return set; |
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} |
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static void setSocketOption(int fd, |
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SctpSocketOption name, |
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Object value, |
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int assocId) |
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throws IOException { |
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if (value == null) |
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throw new IllegalArgumentException("Invalid option value"); |
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Class<?> type = name.type(); |
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if (!type.isInstance(value)) |
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throw new IllegalArgumentException("Invalid option value"); |
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if (name.equals(SCTP_INIT_MAXSTREAMS)) { |
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InitMaxStreams maxStreamValue = (InitMaxStreams)value; |
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SctpNet.setInitMsgOption0(fd, |
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maxStreamValue.maxInStreams(), maxStreamValue.maxOutStreams()); |
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} else if (name.equals(SCTP_PRIMARY_ADDR) || |
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name.equals(SCTP_SET_PEER_PRIMARY_ADDR)) { |
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SocketAddress addr = (SocketAddress) value; |
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if (addr == null) |
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throw new IllegalArgumentException("Invalid option value"); |
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Net.checkAddress(addr); |
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InetSocketAddress netAddr = (InetSocketAddress)addr; |
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if (name.equals(SCTP_PRIMARY_ADDR)) { |
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setPrimAddrOption0(fd, |
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assocId, |
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netAddr.getAddress(), |
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netAddr.getPort()); |
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} else { |
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setPeerPrimAddrOption0(fd, |
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assocId, |
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netAddr.getAddress(), |
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netAddr.getPort(), |
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IPv4MappedAddresses()); |
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} |
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} else if (name.equals(SCTP_DISABLE_FRAGMENTS) || |
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name.equals(SCTP_EXPLICIT_COMPLETE) || |
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name.equals(SCTP_FRAGMENT_INTERLEAVE) || |
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name.equals(SCTP_NODELAY) || |
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name.equals(SO_SNDBUF) || |
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name.equals(SO_RCVBUF) || |
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name.equals(SO_LINGER)) { |
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setIntOption(fd, name, value); |
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} else { |
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throw new AssertionError("Unknown socket option"); |
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} |
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} |
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static Object getSocketOption(int fd, SctpSocketOption name, int assocId) |
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throws IOException { |
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if (name.equals(SCTP_SET_PEER_PRIMARY_ADDR)) { |
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throw new IllegalArgumentException( |
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"SCTP_SET_PEER_PRIMARY_ADDR cannot be retrieved"); |
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} else if (name.equals(SCTP_INIT_MAXSTREAMS)) { |
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/* container for holding maxIn/Out streams */ |
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int[] values = new int[2]; |
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SctpNet.getInitMsgOption0(fd, values); |
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return InitMaxStreams.create(values[0], values[1]); |
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} else if (name.equals(SCTP_PRIMARY_ADDR)) { |
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return getPrimAddrOption0(fd, assocId); |
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} else if (name.equals(SCTP_DISABLE_FRAGMENTS) || |
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name.equals(SCTP_EXPLICIT_COMPLETE) || |
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name.equals(SCTP_FRAGMENT_INTERLEAVE) || |
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name.equals(SCTP_NODELAY) || |
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name.equals(SO_SNDBUF) || |
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name.equals(SO_RCVBUF) || |
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name.equals(SO_LINGER)) { |
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return getIntOption(fd, name); |
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} else { |
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throw new AssertionError("Unknown socket option"); |
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} |
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} |
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static void setIntOption(int fd, SctpSocketOption name, Object value) |
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throws IOException { |
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if (value == null) |
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throw new IllegalArgumentException("Invalid option value"); |
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202 |
Class<?> type = name.type(); |
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if (type != Integer.class && type != Boolean.class) |
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throw new AssertionError("Should not reach here"); |
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206 |
if (name == SO_RCVBUF || |
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name == SO_SNDBUF) |
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{ |
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209 |
int i = ((Integer)value).intValue(); |
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210 |
if (i < 0) |
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211 |
throw new IllegalArgumentException( |
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"Invalid send/receive buffer size"); |
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} else if (name == SO_LINGER) { |
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int i = ((Integer)value).intValue(); |
|
215 |
if (i < 0) |
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value = Integer.valueOf(-1); |
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if (i > 65535) |
|
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value = Integer.valueOf(65535); |
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} else if (name.equals(SCTP_FRAGMENT_INTERLEAVE)) { |
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220 |
int i = ((Integer)value).intValue(); |
|
221 |
if (i < 0 || i > 2) |
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throw new IllegalArgumentException( |
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223 |
"Invalid value for SCTP_FRAGMENT_INTERLEAVE"); |
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224 |
} |
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225 |
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226 |
int arg; |
|
227 |
if (type == Integer.class) { |
|
228 |
arg = ((Integer)value).intValue(); |
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229 |
} else { |
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230 |
boolean b = ((Boolean)value).booleanValue(); |
|
231 |
arg = (b) ? 1 : 0; |
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232 |
} |
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233 |
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234 |
setIntOption0(fd, ((SctpStdSocketOption)name).constValue(), arg); |
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235 |
} |
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236 |
||
237 |
static Object getIntOption(int fd, SctpSocketOption name) |
|
238 |
throws IOException { |
|
239 |
Class<?> type = name.type(); |
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240 |
||
241 |
if (type != Integer.class && type != Boolean.class) |
|
242 |
throw new AssertionError("Should not reach here"); |
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243 |
||
244 |
if (!(name instanceof SctpStdSocketOption)) |
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245 |
throw new AssertionError("Should not reach here"); |
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246 |
||
247 |
int value = getIntOption0(fd, |
|
248 |
((SctpStdSocketOption)name).constValue()); |
|
249 |
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250 |
if (type == Integer.class) { |
|
251 |
return Integer.valueOf(value); |
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252 |
} else { |
|
253 |
return (value == 0) ? Boolean.FALSE : Boolean.TRUE; |
|
254 |
} |
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255 |
} |
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256 |
||
257 |
static void shutdown(int fd, int assocId) |
|
258 |
throws IOException { |
|
259 |
shutdown0(fd, assocId); |
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260 |
} |
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static FileDescriptor branch(int fd, int assocId) throws IOException { |
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int nativefd = branch0(fd, assocId); |
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return IOUtil.newFD(nativefd); |
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} |
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/* Native Methods */ |
268 |
static native int socket0(boolean oneToOne) throws IOException; |
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static native void listen0(int fd, int backlog) throws IOException; |
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static native int connect0(int fd, InetAddress remote, int remotePort) |
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throws IOException; |
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static native void close0(int fd) throws IOException; |
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static native void preClose0(int fd) throws IOException; |
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static native void bindx(int fd, InetAddress[] addrs, int port, int length, |
280 |
boolean add, boolean preferIPv6) throws IOException; |
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281 |
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282 |
static native int getIntOption0(int fd, int opt) throws IOException; |
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284 |
static native void setIntOption0(int fd, int opt, int arg) |
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throws IOException; |
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286 |
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287 |
static native SocketAddress[] getLocalAddresses0(int fd) throws IOException; |
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static native SocketAddress[] getRemoteAddresses0(int fd, int assocId) |
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throws IOException; |
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static native int branch0(int fd, int assocId) throws IOException; |
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static native void setPrimAddrOption0(int fd, int assocId, InetAddress ia, |
295 |
int port) throws IOException; |
|
296 |
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297 |
static native void setPeerPrimAddrOption0(int fd, int assocId, |
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InetAddress ia, int port, boolean preferIPv6) throws IOException; |
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300 |
static native SocketAddress getPrimAddrOption0(int fd, int assocId) |
|
301 |
throws IOException; |
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302 |
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303 |
/* retVals [0] maxInStreams, [1] maxOutStreams */ |
|
304 |
static native void getInitMsgOption0(int fd, int[] retVals) throws IOException; |
|
305 |
||
306 |
static native void setInitMsgOption0(int fd, int arg1, int arg2) |
|
307 |
throws IOException; |
|
308 |
||
309 |
static native void shutdown0(int fd, int assocId); |
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static native void init(); |
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6915313: Reorganize implementation to make it more feasible to port to JDK6
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6915313: Reorganize implementation to make it more feasible to port to JDK6
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static { |
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6915313: Reorganize implementation to make it more feasible to port to JDK6
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init(); |
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} |
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} |
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