package log import ( "context" "io" "os" "time" F "github.com/sagernet/sing/common/format" ) var _ Factory = (*simpleFactory)(nil) type simpleFactory struct { formatter Formatter writer io.Writer level Level } func NewFactory(formatter Formatter, writer io.Writer) Factory { return &simpleFactory{ formatter: formatter, writer: writer, level: LevelTrace, } } func (f *simpleFactory) Level() Level { return f.level } func (f *simpleFactory) SetLevel(level Level) { f.level = level } func (f *simpleFactory) Logger() ContextLogger { return f.NewLogger("") } func (f *simpleFactory) NewLogger(tag string) ContextLogger { return &simpleLogger{f, tag} } var _ ContextLogger = (*simpleLogger)(nil) type simpleLogger struct { *simpleFactory tag string } func (l *simpleLogger) Log(ctx context.Context, level Level, args []any) { if level > l.level { return } message := l.formatter.Format(ctx, level, l.tag, F.ToString(args...), time.Now()) if level == LevelPanic { panic(message) } l.writer.Write([]byte(message)) if level == LevelFatal { os.Exit(1) } } func (l *simpleLogger) Trace(args ...any) { l.TraceContext(context.Background(), args...) } func (l *simpleLogger) Debug(args ...any) { l.DebugContext(context.Background(), args...) } func (l *simpleLogger) Info(args ...any) { l.InfoContext(context.Background(), args...) } func (l *simpleLogger) Warn(args ...any) { l.WarnContext(context.Background(), args...) } func (l *simpleLogger) Error(args ...any) { l.ErrorContext(context.Background(), args...) } func (l *simpleLogger) Fatal(args ...any) { l.FatalContext(context.Background(), args...) } func (l *simpleLogger) Panic(args ...any) { l.PanicContext(context.Background(), args...) } func (l *simpleLogger) TraceContext(ctx context.Context, args ...any) { l.Log(ctx, LevelTrace, args) } func (l *simpleLogger) DebugContext(ctx context.Context, args ...any) { l.Log(ctx, LevelDebug, args) } func (l *simpleLogger) InfoContext(ctx context.Context, args ...any) { l.Log(ctx, LevelInfo, args) } func (l *simpleLogger) WarnContext(ctx context.Context, args ...any) { l.Log(ctx, LevelWarn, args) } func (l *simpleLogger) ErrorContext(ctx context.Context, args ...any) { l.Log(ctx, LevelError, args) } func (l *simpleLogger) FatalContext(ctx context.Context, args ...any) { l.Log(ctx, LevelFatal, args) } func (l *simpleLogger) PanicContext(ctx context.Context, args ...any) { l.Log(ctx, LevelPanic, args) }