7.3. Icmp¶

Icmp dissector module.

Usage:

local icmp = require('protocol/icmp')

7.3.1. Dissector¶

dissector IcmpDissector¶

Name :	`'icmp'`
Extend :	`haka.helper.PacketDissector`

ICMP packet dissector.

icmp.create(ip[, init]) → icmp¶

Parameters:	ip (`Ipv4Dissector`) – IPv4 packet. init (table) – Optional initialization data.
Returns:	icmp (`IcmpDissector`) – Created packet.

Create a new ICMP packet on top of the given IP packet.

<IcmpDissector>.type¶

<IcmpDissector>.code¶

<IcmpDissector>.checksum¶

Type:	number

ICMP fields.

<IcmpDissector>.payload¶

Type:	`vbuffer`

Payload of the packet.

event tcp.events.receive_packet(pkt)¶

Parameters:	pkt (`IcmpDissector`) – ICMP packet.

Event that is triggered whenever a new packet is received.

event tcp.events.send_packet(pkt)¶

Parameters:	pkt (`IcmpDissector`) – ICMP packet.

Event that is triggered just before sending a packet on the network.