author | igerasim |
Wed, 09 Sep 2015 16:33:19 +0300 | |
changeset 32503 | 1478c9130534 |
parent 30963 | 88469d06e03f |
child 32649 | 2ee9017c7597 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007, 2015, 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 java.net; |
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import java.io.IOException; |
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import java.util.Set; |
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import java.util.HashSet; |
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import java.util.Collections; |
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import jdk.net.*; |
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import static sun.net.ExtendedOptionsImpl.*; |
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/* |
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* On Unix systems we simply delegate to native methods. |
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* |
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* @author Chris Hegarty |
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*/ |
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class PlainDatagramSocketImpl extends AbstractPlainDatagramSocketImpl |
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{ |
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static { |
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init(); |
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} |
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protected <T> void setOption(SocketOption<T> name, T value) throws IOException { |
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if (!name.equals(ExtendedSocketOptions.SO_FLOW_SLA)) { |
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super.setOption(name, value); |
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} else { |
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if (isClosed()) { |
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throw new SocketException("Socket closed"); |
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} |
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checkSetOptionPermission(name); |
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checkValueType(value, SocketFlow.class); |
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setFlowOption(getFileDescriptor(), (SocketFlow)value); |
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} |
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} |
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@SuppressWarnings("unchecked") |
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protected <T> T getOption(SocketOption<T> name) throws IOException { |
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if (!name.equals(ExtendedSocketOptions.SO_FLOW_SLA)) { |
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return super.getOption(name); |
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} |
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if (isClosed()) { |
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throw new SocketException("Socket closed"); |
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} |
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checkGetOptionPermission(name); |
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SocketFlow flow = SocketFlow.create(); |
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getFlowOption(getFileDescriptor(), flow); |
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return (T)flow; |
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} |
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protected Set<SocketOption<?>> supportedOptions() { |
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HashSet<SocketOption<?>> options = new HashSet<>( |
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super.supportedOptions()); |
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if (flowSupported()) { |
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options.add(ExtendedSocketOptions.SO_FLOW_SLA); |
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} |
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return options; |
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} |
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protected void socketSetOption(int opt, Object val) throws SocketException { |
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try { |
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socketSetOption0(opt, val); |
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} catch (SocketException se) { |
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if (!connected) |
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throw se; |
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} |
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} |
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protected synchronized native void bind0(int lport, InetAddress laddr) |
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throws SocketException; |
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protected native void send(DatagramPacket p) throws IOException; |
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protected synchronized native int peek(InetAddress i) throws IOException; |
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protected synchronized native int peekData(DatagramPacket p) throws IOException; |
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protected synchronized native void receive0(DatagramPacket p) |
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throws IOException; |
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protected native void setTimeToLive(int ttl) throws IOException; |
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protected native int getTimeToLive() throws IOException; |
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@Deprecated |
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protected native void setTTL(byte ttl) throws IOException; |
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@Deprecated |
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protected native byte getTTL() throws IOException; |
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protected native void join(InetAddress inetaddr, NetworkInterface netIf) |
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throws IOException; |
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protected native void leave(InetAddress inetaddr, NetworkInterface netIf) |
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throws IOException; |
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protected native void datagramSocketCreate() throws SocketException; |
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protected native void datagramSocketClose(); |
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protected native void socketSetOption0(int opt, Object val) |
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throws SocketException; |
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protected native Object socketGetOption(int opt) throws SocketException; |
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protected native void connect0(InetAddress address, int port) throws SocketException; |
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protected native void disconnect0(int family); |
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native int dataAvailable(); |
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/** |
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* Perform class load-time initializations. |
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*/ |
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private native static void init(); |
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} |