/*******************************************************************************
* This file is part of OpenNMS(R).
*
* Copyright (C) 2011 The OpenNMS Group, Inc.
* OpenNMS(R) is Copyright (C) 1999-2011 The OpenNMS Group, Inc.
*
* OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
*
* OpenNMS(R) is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* OpenNMS(R) 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenNMS(R). If not, see:
* http://www.gnu.org/licenses/
*
* For more information contact:
* OpenNMS(R) Licensing <license@opennms.org>
* http://www.opennms.org/
* http://www.opennms.com/
*******************************************************************************/
package org.opennms.jicmp.jna;
import java.net.InetAddress;
import java.net.UnknownHostException;
import com.sun.jna.Structure;
public class sockaddr_in6 extends Structure {
public short sin6_family;
public byte[] sin6_port = new byte[2]; /* Transport layer port # (in_port_t)*/
public byte[] sin6_flowinfo = new byte[4]; /* IP6 flow information */
public byte[] sin6_addr = new byte[16]; /* IP6 address */
public byte[] sin6_scope_id = new byte[4]; /* scope zone index */
public sockaddr_in6(int family, byte[] addr, byte[] port) {
sin6_family = (short)(0xffff & family);
assertLen("port", port, 2);
sin6_port = port;
sin6_flowinfo = new byte[4];
assertLen("address", addr, 16);
sin6_addr = addr;
sin6_scope_id = new byte[4];
}
public sockaddr_in6() {
this((byte)0, new byte[16], new byte[2]);
}
public sockaddr_in6(InetAddress address, int port) {
this(NativeDatagramSocket.AF_INET6,
address.getAddress(),
new byte[] {(byte)(0xff & (port >> 8)), (byte)(0xff & port)});
}
private void assertLen(String field, byte[] addr, int len) {
if (addr.length != len) {
throw new IllegalArgumentException(field+" length must be "+len+" bytes but was " + addr.length + " bytes.");
}
}
public InetAddress getAddress() {
try {
return InetAddress.getByAddress(sin6_addr);
} catch (UnknownHostException ex) {
// this can never happen as sin6_addr is always 16 bytes long.
return null;
}
}
public void setAddress(InetAddress address) {
byte[] addr = address.getAddress();
assertLen("address", addr, 16);
sin6_addr = addr;
}
public int getPort() {
int port = 0;
for(int i = 0; i < 2; i++) {
port = ((port << 8) | (sin6_port[i] & 0xff));
}
return port;
}
public void setPort(int port) {
byte[] p = new byte[] {(byte)(0xff & (port >> 8)), (byte)(0xff & port)};
assertLen("port", p, 2);
sin6_port = p;
}
}