set_request_filter
Description:
Sets up a filter to determine the log level for a given request.
For each HTTP request this will invoke request_filter to determine how much (if any) of that
request to log. (If you do not set a request filter, this will just always log requests at the level passed to
[ctor@Logger.new].)
Parameters:
| this |
a Logger |
| request_filter |
the callback for request debugging |
| destroy |
a DestroyNotify to free |
| filter_data |
data to pass to the callback |