Comment # 6
on bug 9303
from Matthieu Patou
(In reply to comment #5)
> Why does this need to be persistent (either via a global or p_set_proto_data
> or etc)? It's all within the same function, so doesn't a plain old local
> variable do just as well?
The thing is that we go back and force between multiple dissectors (ie. TCP and
DCERPC) so the plain old local variable is not a solution.
Why are we going back and force ? Because DCE dissector ask TCP to desegment so
tvb with just the desegmented data is passed first to the DCE dissector when
the dissector finish the control goes back to the TCP dissector which then
realize that there is remaining bytes in the TCP payload of this packet.
The TCP dissector will call each dissectors one more time to know if one can
handle the remaining chunk.
HTH
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