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bec965b66f
- On-demand access to sumstats results through "return from" functions named SumStats::request and Sumstats::request_key. Both functions are tested in standalone and clustered modes. - $name field has returned to SumStats which simplifies cluster code and makes the on-demand access stuff possible. - Clustered results can only be collected for 1 minute from their time of creation now instead of time of last read. - Thresholds use doubles instead of counts everywhere now. - Calculation dependency resolution occurs at start up time now instead of doing it at observation time which provide a minor cpu performance improvement. A new plugin registration mechanism was created to support this change. - AppStats now has a minimal doc string and is broken into hook-based plugins. - AppStats and traceroute detection added to local.bro
53 lines
1.2 KiB
Text
53 lines
1.2 KiB
Text
@load ../main
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module SumStats;
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export {
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redef enum Calculation += {
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## Sums the values given. For string values,
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## this will be the number of strings given.
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SUM
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};
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redef record ResultVal += {
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## For numeric data, this tracks the sum of all values.
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sum: double &default=0.0;
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};
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#type threshold_function: function(key: SumStats::Key, result: SumStats::Result): count;
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#global sum_threshold: function(data_id: string): threshold_function;
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}
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#function sum_threshold(data_id: string): threshold_function
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# {
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# return function(key: SumStats::Key, result: SumStats::Result): count
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# {
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# print fmt("data_id: %s", data_id);
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# print result;
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# return double_to_count(result[data_id]$sum);
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# };
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# }
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hook init_resultval_hook(r: Reducer, rv: ResultVal)
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{
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if ( SUM in r$apply && ! rv?$sum )
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rv$sum = 0;
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}
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hook register_observe_plugins()
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{
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register_observe_plugin(SUM, function(r: Reducer, val: double, obs: Observation, rv: ResultVal)
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{
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rv$sum += val;
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});
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}
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hook compose_resultvals_hook(result: ResultVal, rv1: ResultVal, rv2: ResultVal)
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{
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if ( rv1?$sum || rv2?$sum )
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{
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result$sum = rv1?$sum ? rv1$sum : 0;
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if ( rv2?$sum )
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result$sum += rv2$sum;
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}
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}
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