big refactor. make compatible v2 and v1 interface

v2/logproto.go

@@ -1,15 +1,21 @@
 package v2
 
 import (
+	"fmt"
 	"time"
 
 	pb "github.com/hiddify/libcore/hiddifyrpc"
 	"github.com/sagernet/sing/common/observable"
 )
 
-var logObserver = observable.Observer[pb.LogMessage]{}
+func NewObserver[T any](listenerBufferSize int) *observable.Observer[T] {
+	return observable.NewObserver[T](&observable.Subscriber[T]{}, listenerBufferSize)
+}
+
+var logObserver = NewObserver[pb.LogMessage](10)
 
 func Log(level pb.LogLevel, typ pb.LogType, message string) {
+	fmt.Printf("%s %s %s\n", level, typ, message)
 	logObserver.Emit(pb.LogMessage{
 		Level:   level,
 		Type:    typ,
@@ -18,7 +24,7 @@ func Log(level pb.LogLevel, typ pb.LogType, message string) {
 
 }
 
-func (s *server) LogListener(stream pb.Hiddify_LogListenerServer) error {
+func (s *CoreService) LogListener(stream pb.Core_LogListenerServer) error {
 	logSub, _, _ := logObserver.Subscribe()
 	defer logObserver.UnSubscribe(logSub)
 
@@ -30,9 +36,7 @@ func (s *server) LogListener(stream pb.Hiddify_LogListenerServer) error {
 	for {
 		select {
 		case <-stream.Context().Done():
-			break
-		case <-stopch:
-			break
+			return nil
 		case info := <-logSub:
 			stream.Send(&info)
 		case <-time.After(500 * time.Millisecond):