Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 8089] New Dissector - SEL (Schweitzer Engineering Laboratories) Fast Message

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Comment # 21 on bug 8089 from Evan Huus

(In reply to comment #20)
> /* if it's a packet we haven't seen yet */
> if (!pinfo->fd->flags.visited) {
> 
>   /* find an existing conversation or create a new one as necessary */
>   conversation = find_or_create_conversation();
> 
>   /* get the data for this conversation */
>   data = ""
> 
>   /* if this conversation doesn't have any data yet, this is the first packet
>    * in the conversation, so create a new structure for it and add it to
>    * the conversation data */
>   if (data == NULL) {
>     data = ""
>     conversation_add_proto_data();
>   }
> 
>   /* now that data is guaranteed to exist, do whatever logic is necessary
>    * to add the current frame to it's stored information (appending it to a
>    * list or what have you) */
>   update_data_for_new_packet();
> }

Note that this code won't actually compile or run - I didn't bother filling in
any necessary casts, function parameters, etc. but it should give you the idea.

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