feat: logging support in ruleset

ruleset/interface.go

@@ -90,10 +90,17 @@ type Ruleset interface {
 	Analyzers(StreamInfo) []analyzer.Analyzer
 	// Match matches a stream against the ruleset and returns the result.
 	// It must be safe for concurrent use by multiple workers.
-	Match(StreamInfo) (MatchResult, error)
+	Match(StreamInfo) MatchResult
+}
+
+// Logger is the logging interface for the ruleset.
+type Logger interface {
+	Log(info StreamInfo, name string)
+	MatchError(info StreamInfo, name string, err error)
 }
 
 type BuiltinConfig struct {
+	Logger          Logger
 	GeoSiteFilename string
 	GeoIpFilename   string
 }