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KSnuffle provides event triggers which can control when packets are
displayed. Associated with each sniffer or replayer are
two event triggers, the start and stop triggers. These
are displayed on the Event Tigger page.
Each trigger is a packet filter, and is constructed in the same way
as the main packet filter. Note, however,
the the event packet filters are applied to packets independantly
of the main filter (ie., a packet can be passed by an event filter even
though it is not passed by the main filter).
There are five event setting:
- All packets
All packets which are accepted by the main packet filter are displayed,
and the event filters are ignored.
- Until stop
Packets are displayed until a packet is received which matches the
stop trigger. After this, no further packets are displayed.
- From start
No packets are displayed until a packet is received
which matches the start trigger. After this,
all packets are displayed.
- One shot
No packets are displayed until a packet is received
which matches the start trigger. After this,
all packets are displayed until one is received
which matches the stop trigger. From this point, no
further packets are displayed.
- Repeat
This is the same as One Shot, except that after the stop
trigger is matched, the sniffer or replayer returns to
waiting for the start trigger to be matched.
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