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add logical check before creating result: #4603 #4608

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merged 1 commit into from
Jan 10, 2024
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add logical check before creating result: #4603 #4608

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10 changes: 10 additions & 0 deletions pkg/protocols/protocols.go
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Original file line number Diff line number Diff line change
Expand Up @@ -215,9 +215,19 @@ type Request interface {
type OutputEventCallback func(result *output.InternalWrappedEvent)

func MakeDefaultResultEvent(request Request, wrapped *output.InternalWrappedEvent) []*output.ResultEvent {
// Note: operator result is generated if something was succesfull match/extract/dynamic-extract
// but results should not be generated if
// 1. no match was found and some dynamic values were extracted
// 2. if something was extracted (matchers exist but no match was found)
if len(wrapped.OperatorsResult.DynamicValues) > 0 && !wrapped.OperatorsResult.Matched {
return nil
}
// check if something was extracted (except dynamic values)
extracted := len(wrapped.OperatorsResult.Extracts) > 0 || len(wrapped.OperatorsResult.OutputExtracts) > 0
if extracted && len(wrapped.OperatorsResult.Operators.Matchers) > 0 && !wrapped.OperatorsResult.Matched {
// if extracted and matchers exist but no match was found then don't generate result
return nil
}

results := make([]*output.ResultEvent, 0, len(wrapped.OperatorsResult.Matches)+1)

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