How to debug DOS packets?

selco · 11 November 2015, 15:37

I would like to see what DOS packets are sent to a certain handler and what is returned. The contents of the packages is also interesting.

How would I do that?
Is there a general way to do this in WinUAE?

regards
selco

thomas · 11 November 2015, 16:42

Not sure if this is what you are looking for, but SnoopDOS has the option to monitor packets.

selco · 11 November 2015, 22:46

Ideally I would like to see the contents of the packets, too.
If it were possible in WinUAE to go into debugger when a packet arrives at a certain process.

Snoopdos seems to work only with filesystem devices? And I can't inspect the contents of a packet, can I?

Toni Wilen · 12 November 2015, 08:34

I don't think there is any generic way to detect if Message is actually pointing to dospacket. Some programs may even send dos packets using exec/PutMsg() directly. (instead of using dos/SendPkt()/WaitPkt()/DoPkt())

I guess only possibly solution is to watch for specificed process(es) pr_MsgPort writes and check if new Message arrived or something like that..

11 November 2015, 15:37	#1
selco Registered User Join Date: Aug 2013 Location: Germany Posts: 81	How to debug DOS packets? I would like to see what DOS packets are sent to a certain handler and what is returned. The contents of the packages is also interesting. How would I do that? Is there a general way to do this in WinUAE? regards selco

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11 November 2015, 16:42	#2
thomas Registered User Join Date: Jan 2002 Location: Germany Posts: 7,026	Not sure if this is what you are looking for, but SnoopDOS has the option to monitor packets.

11 November 2015, 22:46	#3
selco Registered User Join Date: Aug 2013 Location: Germany Posts: 81	Ideally I would like to see the contents of the packets, too. If it were possible in WinUAE to go into debugger when a packet arrives at a certain process. Snoopdos seems to work only with filesystem devices? And I can't inspect the contents of a packet, can I?

12 November 2015, 08:34	#4
Toni Wilen WinUAE developer Join Date: Aug 2001 Location: Hämeenlinna/Finland Age: 49 Posts: 26,570	I don't think there is any generic way to detect if Message is actually pointing to dospacket. Some programs may even send dos packets using exec/PutMsg() directly. (instead of using dos/SendPkt()/WaitPkt()/DoPkt()) I guess only possibly solution is to watch for specificed process(es) pr_MsgPort writes and check if new Message arrived or something like that..

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