Refactor log

log/factory.go

@@ -0,0 +1,45 @@
+package log
+
+import (
+	"context"
+
+	"github.com/sagernet/sing/common/observable"
+)
+
+type Factory interface {
+	Level() Level
+	SetLevel(level Level)
+	Logger() ContextLogger
+	NewLogger(tag string) ContextLogger
+}
+
+type ObservableFactory interface {
+	Factory
+	observable.Observable[Entry]
+}
+
+type Entry struct {
+	Level   Level
+	Message string
+}
+
+type Logger interface {
+	Trace(args ...any)
+	Debug(args ...any)
+	Info(args ...any)
+	Warn(args ...any)
+	Error(args ...any)
+	Fatal(args ...any)
+	Panic(args ...any)
+}
+
+type ContextLogger interface {
+	Logger
+	TraceContext(ctx context.Context, args ...any)
+	DebugContext(ctx context.Context, args ...any)
+	InfoContext(ctx context.Context, args ...any)
+	WarnContext(ctx context.Context, args ...any)
+	ErrorContext(ctx context.Context, args ...any)
+	FatalContext(ctx context.Context, args ...any)
+	PanicContext(ctx context.Context, args ...any)
+}