mirror of
https://github.com/SagerNet/sing-box.git
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143 lines
3.3 KiB
Go
143 lines
3.3 KiB
Go
package log
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import (
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"context"
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"io"
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"os"
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"time"
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"github.com/sagernet/sing/common"
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F "github.com/sagernet/sing/common/format"
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"github.com/sagernet/sing/common/observable"
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)
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var _ Factory = (*observableFactory)(nil)
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type observableFactory struct {
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formatter Formatter
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writer io.Writer
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level Level
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subscriber *observable.Subscriber[Entry]
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observer *observable.Observer[Entry]
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}
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func NewObservableFactory(formatter Formatter, writer io.Writer) ObservableFactory {
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factory := &observableFactory{
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formatter: formatter,
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writer: writer,
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level: LevelTrace,
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subscriber: observable.NewSubscriber[Entry](128),
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}
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factory.observer = observable.NewObserver[Entry](factory.subscriber, 64)
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return factory
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}
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func (f *observableFactory) Level() Level {
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return f.level
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}
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func (f *observableFactory) SetLevel(level Level) {
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f.level = level
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}
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func (f *observableFactory) Logger() ContextLogger {
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return f.NewLogger("")
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}
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func (f *observableFactory) NewLogger(tag string) ContextLogger {
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return &observableLogger{f, tag}
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}
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func (f *observableFactory) Subscribe() (subscription observable.Subscription[Entry], done <-chan struct{}, err error) {
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return f.observer.Subscribe()
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}
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func (f *observableFactory) UnSubscribe(sub observable.Subscription[Entry]) {
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f.observer.UnSubscribe(sub)
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}
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func (f *observableFactory) Close() error {
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return common.Close(
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f.writer,
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f.observer,
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)
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}
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var _ ContextLogger = (*observableLogger)(nil)
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type observableLogger struct {
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*observableFactory
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tag string
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}
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func (l *observableLogger) Log(ctx context.Context, level Level, args []any) {
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if level > l.level {
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return
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}
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message, messageSimple := l.formatter.FormatWithSimple(ctx, level, l.tag, F.ToString(args...), time.Now())
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if level == LevelPanic {
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panic(message)
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}
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l.writer.Write([]byte(message))
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if level == LevelFatal {
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os.Exit(1)
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}
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l.subscriber.Emit(Entry{level, messageSimple})
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}
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func (l *observableLogger) Trace(args ...any) {
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l.TraceContext(context.Background(), args...)
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}
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func (l *observableLogger) Debug(args ...any) {
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l.DebugContext(context.Background(), args...)
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}
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func (l *observableLogger) Info(args ...any) {
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l.InfoContext(context.Background(), args...)
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}
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func (l *observableLogger) Warn(args ...any) {
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l.WarnContext(context.Background(), args...)
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}
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func (l *observableLogger) Error(args ...any) {
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l.ErrorContext(context.Background(), args...)
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}
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func (l *observableLogger) Fatal(args ...any) {
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l.FatalContext(context.Background(), args...)
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}
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func (l *observableLogger) Panic(args ...any) {
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l.PanicContext(context.Background(), args...)
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}
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func (l *observableLogger) TraceContext(ctx context.Context, args ...any) {
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l.Log(ctx, LevelTrace, args)
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}
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func (l *observableLogger) DebugContext(ctx context.Context, args ...any) {
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l.Log(ctx, LevelDebug, args)
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}
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func (l *observableLogger) InfoContext(ctx context.Context, args ...any) {
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l.Log(ctx, LevelInfo, args)
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}
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func (l *observableLogger) WarnContext(ctx context.Context, args ...any) {
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l.Log(ctx, LevelWarn, args)
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}
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func (l *observableLogger) ErrorContext(ctx context.Context, args ...any) {
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l.Log(ctx, LevelError, args)
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}
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func (l *observableLogger) FatalContext(ctx context.Context, args ...any) {
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l.Log(ctx, LevelFatal, args)
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}
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func (l *observableLogger) PanicContext(ctx context.Context, args ...any) {
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l.Log(ctx, LevelPanic, args)
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}
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