파일에 직접 로깅하는 로거로 교체

shared/logger.go

@@ -0,0 +1,28 @@
+package shared
+
+import (
+	"log"
+	"os"
+	"path"
+)
+
+var defLogger *log.Logger
+
+func InitLogger() {
+	name, _ := os.Executable()
+	base := path.Base(name)
+
+	logfile, _ := os.OpenFile(base+".log", os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0666)
+	defLogger = log.New(logfile, "", log.LstdFlags)
+}
+
+func Logger() *log.Logger {
+	return defLogger
+}
+
+func CloseLogger() {
+	outfile := defLogger.Writer().(*os.File)
+	if outfile != nil {
+		outfile.Close()
+	}
+}