From 1f725abec29ad465f3c73c28c360818139761212 Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Fri, 03 Jul 2026 05:28:17 +0800
Subject: [PATCH] Record R221 2.2.2 release candidate
---
C1.source/privatevoice.src/internal/logger/logger.go | 109 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 109 insertions(+), 0 deletions(-)
diff --git a/C1.source/privatevoice.src/internal/logger/logger.go b/C1.source/privatevoice.src/internal/logger/logger.go
new file mode 100755
index 0000000..2041c29
--- /dev/null
+++ b/C1.source/privatevoice.src/internal/logger/logger.go
@@ -0,0 +1,109 @@
+package logger
+
+import (
+ "fmt"
+ "os"
+ "path/filepath"
+ "sync"
+ "time"
+ "voicesnap/internal/paths"
+)
+
+var (
+ mu sync.Mutex
+ logFile *os.File
+)
+
+const (
+ maxLogBytes = 10 * 1024 * 1024
+ maxLogBackups = 3
+)
+
+// Init initializes the file logger in the persistent app data directory.
+func Init() {
+ mu.Lock()
+ if logFile != nil {
+ logFile.Close()
+ logFile = nil
+ }
+ mu.Unlock()
+
+ dir := paths.AppSupportDir()
+ if err := os.MkdirAll(dir, 0755); err != nil {
+ fmt.Fprintf(os.Stderr, "failed to create log dir: %v\n", err)
+ return
+ }
+ path := filepath.Join(dir, "app.log")
+ if err := rotateIfNeeded(path); err != nil {
+ fmt.Fprintf(os.Stderr, "failed to rotate log file: %v\n", err)
+ }
+
+ f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644)
+ if err != nil {
+ fmt.Fprintf(os.Stderr, "failed to open log file: %v\n", err)
+ return
+ }
+ mu.Lock()
+ defer mu.Unlock()
+ logFile = f
+}
+
+func rotateIfNeeded(path string) error {
+ info, err := os.Stat(path)
+ if err != nil {
+ if os.IsNotExist(err) {
+ return nil
+ }
+ return err
+ }
+ if info.Size() < maxLogBytes {
+ return nil
+ }
+
+ oldest := fmt.Sprintf("%s.%d", path, maxLogBackups)
+ if err := os.Remove(oldest); err != nil && !os.IsNotExist(err) {
+ return err
+ }
+ for i := maxLogBackups - 1; i >= 1; i-- {
+ from := fmt.Sprintf("%s.%d", path, i)
+ to := fmt.Sprintf("%s.%d", path, i+1)
+ if err := os.Rename(from, to); err != nil && !os.IsNotExist(err) {
+ return err
+ }
+ }
+ return os.Rename(path, path+".1")
+}
+
+func write(level, format string, args ...interface{}) {
+ msg := fmt.Sprintf(format, args...)
+ ts := time.Now().Format("2006-01-02 15:04:05")
+ line := fmt.Sprintf("[%s] %s %s\n", ts, level, msg)
+
+ mu.Lock()
+ defer mu.Unlock()
+
+ if logFile != nil {
+ logFile.WriteString(line)
+ }
+ fmt.Fprint(os.Stderr, line)
+}
+
+// Info logs an informational message.
+func Info(format string, args ...interface{}) {
+ write("INFO", format, args...)
+}
+
+// Error logs an error message.
+func Error(format string, args ...interface{}) {
+ write("ERROR", format, args...)
+}
+
+// Close closes the log file.
+func Close() {
+ mu.Lock()
+ defer mu.Unlock()
+ if logFile != nil {
+ logFile.Close()
+ logFile = nil
+ }
+}
--
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