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package io.pkts.protocol;
import io.pkts.framer.Framer;
import io.pkts.framer.FramerManager;
/**
* @author [email protected]
*/
public enum Protocol {
ICMP("icmp", Layer.LAYER_3), IGMP("igmp", Layer.LAYER_3), TLS("tcp", Layer.LAYER_7), TCP("tcp", Layer.LAYER_4), UDP(
"udp", Layer.LAYER_4), SCTP("sctp", Layer.LAYER_4), SIP("sip", Layer.LAYER_7), SDP("sdp", Layer.LAYER_7), ETHERNET_II(
"eth", Layer.LAYER_2), SLL("sll", Layer.LAYER_2), IPv4("ip", Layer.LAYER_3), PCAP("pcap", Layer.LAYER_1), RTP(
"rtp", Layer.LAYER_7), RTCP("rtcp", Layer.LAYER_7), UNKNOWN("unknown", null);
private final String name;
private final Layer layer;
private Protocol(final String name, final Layer layer) {
this.name = name;
this.layer = layer;
}
/**
* The short name of this protocol. Similar to what Wireshark shows in its
* short description of all the known protocols within its "super" frame.
* E.g., if you "click" on the Pcap Frame it will have a field called
* "protocols in frame" and will display something like
* "eth:ip:udp:sip:sdp", this function will return a short name like that.
*
* @return
*/
public String getName() {
return this.name;
}
@Override
public String toString() {
return this.name;
}
/**
* Each {@link Protocol} operates within a particular {@link Layer} in the
* ISO stack. This is mainly used by the {@link FramerManager} when trying
* to determine which {@link Framer}s it should consult when trying to
* figure out which framer to use.
*
* @return
*/
public Layer getProtocolLayer() {
return this.layer;
}
/**
* Get a protocol based on it's defined byte code. This is only true for
* some protocols
*
* For a full list: http://en.wikipedia.org/wiki/List_of_IP_protocol_numbers
*
* @param code
* @return
*/
public static Protocol valueOf(final byte code) {
switch (code) {
case (byte) 0x01:
return ICMP;
case (byte) 0x02:
return IGMP;
case (byte) 0x06:
return TCP;
case (byte) 0x11:
return UDP;
case (byte) 0x84:
return SCTP;
default:
return null;
}
}
public static enum Layer {
LAYER_1, LAYER_2, LAYER_3, LAYER_4, LAYER_7;
}
}
