How to filter protocol event according to a string

Purpose

The String Filter feature can be used to display only certain messages (by their displayed decoded type, a precise value of a decoded field, ...)

Defining an ASCII character string
Setting ON the String Filter feature

1) Using selection menus at the top of the Event-Editor window:

  • Use Edit->String Filter to reach the definition panel, and get access to the editing of the current string used for the String Filter feature.
    If the result string is a null string, the string filtering feature is self-disable.
  • Use View->String Filter  or <F7> key to enable the String Filter feature, allowing the display of the only events which include the currently saved filtering string.

2) Using the mouse:

  • By the cursor highlighting, select a string of characters within the displayed events.
  • using right button, choose the String Filter option.
    The selected characters are saved as the currently used filtering string and the String Filter feature is self-enable.

Setting OFF the String Filter feature

Use View->String Filter (selection menu at the top of the Event-Editor window) or <F7> key, to disable the String Filter feature, and get the full display of events.

This action can be used in a toggle mode to set alternativelly ON or OFF the String Filter feature.

Application to quickly count a number of messages

Following optionally a string filter action, the event-editor allows  to count a range of events displayed on the screen:

  • the beginning of the range is defined by a marker
  • the end of the range is defined by the event under the cursor

Then, if only certain message events are kept displayed, the followings steps allow to count their total number:

1) Place the cursor on the first message event for example, and use Edit->Event Date (selection menu at the top of the Event-Editor window) or <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 <CTRL> <F5> keys, to display the total number of message events.

Application to quickly count the time duration elapsed between two messages

Following optionally a string filter action, the event-editor allows to count the time duration between the first and the last events of a 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 under the cursor

Use Edit->Event Delay or <SHIFT> <F5> keys.

 


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updated:  27-Feb-04