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/*
* Copyright 2014 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.cli.net;
import org.onlab.packet.ICMP6;
/**
* Known values for ICMPv6 type field that can be supplied to the CLI.
*/
public enum Icmp6Type {
/** Destination Unreachable. */
DEST_UNREACH(ICMP6.DEST_UNREACH),
/** Packet Too Big. */
PKT_TOO_BIG(ICMP6.PKT_TOO_BIG),
/** Time Exceeded. */
TIME_EXCEED(ICMP6.TIME_EXCEED),
/** Parameter Problem. */
PARAM_ERR(ICMP6.PARAM_ERR),
/** Echo Request. */
ECHO_REQUEST(ICMP6.ECHO_REQUEST),
/** Echo Reply. */
ECHO_REPLY(ICMP6.ECHO_REPLY),
/** Multicast Listener Query. */
MCAST_QUERY(ICMP6.MCAST_QUERY),
/** Multicast Listener Report. */
MCAST_REPORT(ICMP6.MCAST_REPORT),
/** Multicast Listener Done. */
MCAST_DONE(ICMP6.MCAST_DONE),
/** Router Solicitation. */
ROUTER_SOLICITATION(ICMP6.ROUTER_SOLICITATION),
/** Router Advertisement. */
ROUTER_ADVERTISEMENT(ICMP6.ROUTER_ADVERTISEMENT),
/** Neighbor Solicitation. */
NEIGHBOR_SOLICITATION(ICMP6.NEIGHBOR_SOLICITATION),
/** Neighbor Advertisement. */
NEIGHBOR_ADVERTISEMENT(ICMP6.NEIGHBOR_ADVERTISEMENT),
/** Redirect Message. */
REDIRECT(ICMP6.REDIRECT);
private byte value;
/**
* Constructs an Icmp6Type with the given value.
*
* @param value value to use when this Icmp6Type is seen
*/
private Icmp6Type(byte value) {
this.value = value;
}
/**
* Gets the value to use for this Icmp6Type.
*
* @return short value to use for this Icmp6Type
*/
public byte value() {
return this.value;
}
/**
* Parse a string input that could contain an Icmp6Type value. The value
* may appear in the string either as a known type name (one of the
* values of this enum), or a numeric type value.
*
* @param input the input string to parse
* @return the numeric value of the parsed ICMPv6 type
* @throws IllegalArgumentException if the input string does not contain a
* value that can be parsed into an ICMPv6 type
*/
public static byte parseFromString(String input) {
try {
return valueOf(input).value();
} catch (IllegalArgumentException e) {
// The input is not a known ICMPv6 type name, let's see if it's an ICMP6
// type value (byte). We parse with Byte to handle unsigned values
// correctly.
try {
return Byte.parseByte(input);
} catch (NumberFormatException e1) {
throw new IllegalArgumentException(
"Icmp6Type value must be either a string type name"
+ " or an 8-bit type value");
}
}
}
}
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