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FileAnalysis: optimize get_file_handle event queueing.

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When a file handle is needed and the last event in the queue is also
a get_file_handle event with the same arguments, instead of queueing
a new event, just remember to cache/re-use the resulting handle from
the previous event.  This depends on get_file_handle handlers not
changing global state that is also used to derive the file handle
string.
This commit is contained in:
Jon Siwek 2013-04-02 16:21:51 -05:00
parent 390358b70c
commit fc267d010d
10 changed files with 88 additions and 37 deletions
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8
scripts/base/protocols/http/file-analysis.bro
View file

@ -18,11 +18,11 @@ export {
if ( ! c?$http ) return "";
if ( c$http$range_request )
return fmt("%s %s %s %s", ANALYZER_HTTP, is_orig, c$id$orig_h,
build_url(c$http));
return cat(ANALYZER_HTTP, " ", is_orig, " ", c$id$orig_h,
" ", build_url(c$http));
return fmt("%s %s %s %s %s", ANALYZER_HTTP, c$start_time, is_orig,
c$http$trans_depth, id_string(c$id));
return cat(ANALYZER_HTTP, " ", c$start_time, " ", is_orig,
" ", c$http$trans_depth, " ", id_string(c$id));
}
}