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This commit is contained in:
Seth Hall 2013-03-13 22:55:03 -04:00
parent 09cbaa7ccc
commit 8778761c07
30 changed files with 833 additions and 848 deletions
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35
scripts/base/frameworks/measurement/plugins/average.bro Normal file
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module Metrics;
export {
redef enum Calculation += {
## Calculate the average of the values.
AVERAGE
};
redef record ResultVal += {
## For numeric data, this calculates the average of all values.
average: double &log &optional;
};
}
hook add_to_calculation(filter: Filter, val: double, data: DataPoint, result: ResultVal)
{
if ( AVERAGE in filter$measure )
{
if ( ! result?$average )
result$average = val;
else
result$average += (val - result$average) / result$num;
}
}
hook plugin_merge_measurements(result: ResultVal, rv1: ResultVal, rv2: ResultVal)
{
if ( rv1?$average && rv2?$average )
result$average = ((rv1$average*rv1$num) + (rv2$average*rv2$num))/(rv1$num+rv2$num);
else if ( rv1?$average )
result$average = rv1$average;
else if ( rv2?$average )
result$average = rv2$average;
}