/*

* Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.

* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.

*

*

*

*

*

*

*

*

*

*

*

*

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*

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*

*

*

*

*/

package java.net;

import java.io.IOException;

import java.util.Set;

import java.util.HashSet;

import java.util.Collections;

import jdk.net.*;

import static sun.net.ExtendedOptionsImpl.*;

/*

* On Unix systems we simply delegate to native methods.

*

* @author Chris Hegarty

*/

class PlainDatagramSocketImpl extends AbstractPlainDatagramSocketImpl

{

static {

init();

}

protected <T> void setOption(SocketOption<T> name, T value) throws IOException {

if (!name.equals(ExtendedSocketOptions.SO_FLOW_SLA)) {

super.setOption(name, value);

} else {

if (isClosed()) {

throw new SocketException("Socket closed");

}

checkSetOptionPermission(name);

checkValueType(value, SocketFlow.class);

setFlowOption(getFileDescriptor(), (SocketFlow)value);

}

}

protected <T> T getOption(SocketOption<T> name) throws IOException {

if (!name.equals(ExtendedSocketOptions.SO_FLOW_SLA)) {

return super.getOption(name);

}

if (isClosed()) {

throw new SocketException("Socket closed");

}

checkGetOptionPermission(name);

SocketFlow flow = SocketFlow.create();

getFlowOption(getFileDescriptor(), flow);

return (T)flow;

}

protected void socketSetOption(int opt, Object val) throws SocketException {

try {

socketSetOption0(opt, val);

} catch (SocketException se) {

if (!connected)

throw se;

}

}

protected synchronized native void bind0(int lport, InetAddress laddr)

throws SocketException;

protected native void send(DatagramPacket p) throws IOException;

protected synchronized native int peek(InetAddress i) throws IOException;

protected synchronized native int peekData(DatagramPacket p) throws IOException;

protected synchronized native void receive0(DatagramPacket p)

throws IOException;

protected native void setTimeToLive(int ttl) throws IOException;

protected native int getTimeToLive() throws IOException;

@Deprecated

protected native void setTTL(byte ttl) throws IOException;

@Deprecated

protected native byte getTTL() throws IOException;

protected native void join(InetAddress inetaddr, NetworkInterface netIf)

throws IOException;

protected native void leave(InetAddress inetaddr, NetworkInterface netIf)

throws IOException;

protected native void datagramSocketCreate() throws SocketException;

protected native void datagramSocketClose();

protected native void socketSetOption0(int opt, Object val)

throws SocketException;

protected native Object socketGetOption(int opt) throws SocketException;

protected native void connect0(InetAddress address, int port) throws SocketException;

protected native void disconnect0(int family);

native int dataAvailable();

/**

* Perform class load-time initializations.

*/

private native static void init();

}