/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.net.ipv4.icmp;
import java.net.SocketException;
import org.jnode.net.SocketBuffer;
public class ICMPHeaderFactory {
/**
* Create a type specific ICMP header. The type is read from the first first
* in the skbuf.
*
* @param skbuf
* @throws SocketException
*/
public static ICMPHeader createHeader(SocketBuffer skbuf) throws SocketException {
final ICMPType type = ICMPType.getType(skbuf.get(0));
switch (type) {
case ICMP_DEST_UNREACH:
return new ICMPUnreachableHeader(skbuf);
case ICMP_TIMESTAMP:
case ICMP_TIMESTAMPREPLY:
return new ICMPTimestampHeader(skbuf);
case ICMP_ADDRESS:
case ICMP_ADDRESSREPLY:
return new ICMPAddressMaskHeader(skbuf);
case ICMP_ECHOREPLY:
case ICMP_ECHO:
return new ICMPEchoHeader(skbuf);
case ICMP_SOURCE_QUENCH:
case ICMP_REDIRECT:
case ICMP_TIME_EXCEEDED:
case ICMP_PARAMETERPROB:
case ICMP_INFO_REQUEST:
case ICMP_INFO_REPLY:
throw new SocketException("Not implemented");
default:
throw new SocketException("Unknown ICMP type " + type);
}
}
}