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LUA dissector - combine data from 2 UDP packets, display issue

asked 2020-07-14 16:32:18 +0000

BMWE gravatar image

updated 2020-07-16 06:07:57 +0000

Hello,

Following my previous question on the issue, every time I select a packet that is based on combining data from previous packet and current packet, I'm getting an error on the packet details on the custom protocol section.

Only when I select previous packet and then the current packet, I can see the dissection as I expect and without any error

How to solve the issue?

(Unfortunately, I can't provide the screenshots as it is in my private network).

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answered 2021-03-01 10:04:40 +0000

TalH gravatar image

The wireshark dissector runs every time the packet need to be dissected (so every time you click the packet). Use pinfo.visted to check if the packet was visited or manage your memory and variable with your own system (depends on what you are trying to do, you can create a hash table using pinfo.number as the keys for example).

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Asked: 2020-07-14 16:32:18 +0000

Seen: 1,014 times

Last updated: Mar 01