How to Filter Protocol Events According to a String
Purpose
The String Filter feature can be used to select certain message events
for display e.g. by their displayed decoding type or a precise value within
a decoded field, whilst suppressing all others from the display.
The string filter is a toggle on/off function.
Defining an ASCII character string
Turning the string filter feature on
1) On the main menu at the top of the Event Editor window:-
- Go to Edit=>String Filter to open the definition
dialogue, where you can edit the filter string.
If the current filter string is zero-length, the string filtering feature
will be automatically disabled.
- Use View=>String Filter or the F7
key to enable the String Filter feature, allowing the display of only
those events which include the current filter string.
2) Using the mouse:-
- Highlight the string of characters you wish to use as a filter string
from the Event Editor window.
- Right click to display the context menu, and select String
Filter.
The string filter option will automatically be enabled using the selected
text as the current filter string.
Turning off the String Filter feature
Select View=>String Filter from the main menu
in the Event Editor or press the F7 key, to disable the String
Filter feature.
Application to quickly count a number of messages
Following a string filter action, it is possible to count the number
of events occurring within a user-defined range displayed on the screen:-
- The beginning of the range is defined by a marker.
- The end of the range is defined by the event currently indicated by
the cursor.
With the following steps it is possible to count the total number of
events within the defined range which have not been suppressed by the
string filter:-
1) Place the cursor on the first message you wish to count, and select
Edit=>Event Date from the main menu or press
the F5 key, to set a first marker displayed at the beginning of
the event.
2) Place the cursor on the last message event, and use Edit=>Event
Count or press Ctrl+F5, to display the total number
of message events occurring within the defined range.
Application to quickly count the time duration elapsed between two messages
Following a string filter action, it is possible to count the time
duration between the first and the last events of a user-defined range
displayed on the screen:-
- The beginning of the range is defined by a marker
- The end of the range is defined by the event currently indicated by
the cursor
Use Edit=>Event Delay or press Shift+F5.
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