move to untimestamped logs, tag the lots INFO and DEBUG. Update tests

logger/logger.go

@@ -4,43 +4,49 @@ package logger
 
 import (
 	"fmt"
-	"log"
 	"path/filepath"
 	"runtime"
 	
 	"govpp-snmp-agentx/config"
 )
 
-// logf logs a message with automatic caller information (file:function)
-func logf(format string, args ...interface{}) {
-	pc, file, _, ok := runtime.Caller(2)
+// getCallerInfo returns caller information in the format "file.go:function"
+func getCallerInfo() string {
+	pc, file, _, ok := runtime.Caller(2) // Skip getCallerInfo and Printf/Debugf
 	if !ok {
-		log.Printf(format, args...)
-		return
+		return "unknown:unknown"
 	}
 	
 	fn := runtime.FuncForPC(pc)
 	if fn == nil {
-		log.Printf(format, args...)
-		return
+		return "unknown:unknown"
 	}
 	
 	funcName := filepath.Base(fn.Name())
 	fileName := filepath.Base(file)
 	
-	prefix := fmt.Sprintf("%s:%s", fileName, funcName)
-	message := fmt.Sprintf(format, args...)
-	log.Printf("%s %s", prefix, message)
+	return fmt.Sprintf("%s:%s", fileName, funcName)
 }
 
-// Printf logs a message with caller information
+// Printf logs a message with caller information in SYSLOG style
 func Printf(format string, args ...interface{}) {
-	logf(format, args...)
+	caller := getCallerInfo()
+	message := fmt.Sprintf(format, args...)
+	syslogMessage := fmt.Sprintf("INFO %s %s", caller, message)
+	fmt.Println(syslogMessage)
 }
 
 // Debugf logs a debug message with caller information if global debug is enabled
 func Debugf(format string, args ...interface{}) {
 	if config.Debug {
-		logf(format, args...)
+		caller := getCallerInfo()
+		message := fmt.Sprintf(format, args...)
+		syslogMessage := fmt.Sprintf("DEBUG %s %s", caller, message)
+		fmt.Println(syslogMessage)
 	}
+}
+
+// Sync flushes any buffered log entries (no-op for fmt.Println)
+func Sync() {
+	// No buffering with fmt.Println, so this is a no-op
 }