org.eclipse.linuxtools.pcap.core/src/org/eclipse/linuxtools/internal/pcap/core/util/IPProtocolNumberHelper.java

   1 /*******************************************************************************
   2  * Copyright (c) 2014 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Vincent Perot - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.internal.pcap.core.util;
  14
  15 import org.eclipse.linuxtools.internal.pcap.core.protocol.PcapProtocol;
  16
  17 // TODO finish this
  18 // TODO maybe match it to protocol instead of string.
  19
  20 /**
  21  * Helper that is used to help mapping a certain protocol number to a particular
  22  * protocol (i.e. TCP). This is used when finding the child packet of an IPv4
  23  * packet, for instance.
  24  *
  25  * See http://en.wikipedia.org/wiki/List_of_IP_protocol_numbers
  26  *
  27  * @author Vincent Perot
  28  */
  29 public final class IPProtocolNumberHelper {
  30
  31     /** Protocol Number ICMP */
  32     public static final int PROTOCOL_NUMBER_ICMP = 1;
  33
  34     /** Protocol Number IGMP */
  35     public static final int PROTOCOL_NUMBER_IGMP = 2;
  36
  37     /** Protocol Number TCP */
  38     public static final int PROTOCOL_NUMBER_TCP = 6;
  39
  40     /** Protocol Number UDP */
  41     public static final int PROTOCOL_NUMBER_UDP = 17;
  42
  43     /** Protocol Number Encapsulated IPv6 */
  44     public static final int PROTOCOL_NUMBER_ENCAP_IPV6 = 41;
  45
  46     /** Protocol Number OSPF */
  47     public static final int PROTOCOL_NUMBER_OSPF = 89;
  48
  49     /** Protocol Number SCTP */
  50     public static final int PROTOCOL_NUMBER_SCTP = 132;
  51
  52     private IPProtocolNumberHelper() {}
  53
  54     /**
  55      * Method that match the protocol number to a protocol as a string.
  56      *
  57      * @param protocolNumber
  58      *            The protocol number as an int.
  59      * @return The protocol as a string.
  60      */
  61     public static String toString(int protocolNumber) {
  62         switch (protocolNumber) {
  63         case PROTOCOL_NUMBER_ICMP:
  64             return "ICMP"; //$NON-NLS-1$
  65         case PROTOCOL_NUMBER_IGMP:
  66             return "IGMP"; //$NON-NLS-1$
  67         case PROTOCOL_NUMBER_TCP:
  68             return PcapProtocol.TCP.getName();
  69         case PROTOCOL_NUMBER_UDP:
  70             return PcapProtocol.UDP.getName();
  71         case PROTOCOL_NUMBER_ENCAP_IPV6:
  72             return "IPv6"; //$NON-NLS-1$
  73         case PROTOCOL_NUMBER_OSPF:
  74             return "OSPF"; //$NON-NLS-1$
  75         case PROTOCOL_NUMBER_SCTP:
  76             return "SCTP"; //$NON-NLS-1$
  77         default:
  78             return "Unknown"; //$NON-NLS-1$
  79         }
  80     }
  81 }