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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.
30 lines
888 B
Text
30 lines
888 B
Text
@load ./dcc-send.bro
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@load base/utils/conn-ids
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@load base/frameworks/file-analysis/main
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module IRC;
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export {
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## Determines whether the default :bro:see:`get_file_handle` handler
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## is used to return file handles to the file analysis framework.
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## Redefine to true in order to provide a custom handler which overrides
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## the default for IRC.
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const disable_default_file_handle_provider: bool = F &redef;
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## Default file handle provider for IRC.
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function get_file_handle(c: connection, is_orig: bool): string
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{
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if ( is_orig ) return "";
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return cat(ANALYZER_IRC_DATA, " ", c$start_time, " ",
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id_string(c$id));
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}
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}
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module GLOBAL;
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event get_file_handle(tag: AnalyzerTag, c: connection, is_orig: bool)
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{
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if ( tag != ANALYZER_IRC_DATA ) return;
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if ( IRC::disable_default_file_handle_provider ) return;
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return_file_handle(IRC::get_file_handle(c, is_orig));
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}
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