From c9fa5eb4ab6cb575408882d2fbc85903c4066ba0 Mon Sep 17 00:00:00 2001
From: Simon Ruderich <simon.ruderich@fau.de>
Date: Tue, 25 Nov 2025 08:08:19 +0100
Subject: client: add Logger interface to give programs more control

See https://codeberg.org/eduVPN/eduvpn-common/issues/102
---
 internal/log/log.go | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

(limited to 'internal')

diff --git a/internal/log/log.go b/internal/log/log.go
index 6a48ad7..91eaed8 100644
--- a/internal/log/log.go
+++ b/internal/log/log.go
@@ -9,12 +9,11 @@ import (
 	"path"
 )
 
-// Init initializes the logger by setting a max level 'level' and a directory 'directory' where the log should be stored
-// internally, it uses slog, so any package just imports slog
-// This can be done as this function sets the logger as the default logger in slog
-// It returns the log file and the error
-// This log file should be closed at the end
-func Init(lvl slog.Level, dir string) (*FileRotater, error) {
+type Logger struct {
+	fr *FileRotater
+}
+
+func (l *Logger) Init(dir string) (*slog.Logger, error) {
 	err := os.MkdirAll(dir, 0o700)
 	if err != nil {
 		return nil, err
@@ -25,11 +24,14 @@ func Init(lvl slog.Level, dir string) (*FileRotater, error) {
 	if err != nil {
 		return nil, fmt.Errorf("failed creating log rotater: %w", err)
 	}
+	l.fr = fr
 	multi := io.MultiWriter(os.Stdout, fr)
 	handler := slog.NewTextHandler(multi, &slog.HandlerOptions{
-		Level: lvl,
+		Level: slog.LevelDebug,
 	})
-	logger := slog.New(handler)
-	slog.SetDefault(logger)
-	return fr, nil
+	return slog.New(handler), nil
+}
+
+func (l *Logger) Close() error {
+	return l.fr.Close()
 }
-- 
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