new: add hiddifyrpc

v2/logproto.go

@@ -0,0 +1,41 @@
+package v2
+
+import (
+	"time"
+
+	pb "github.com/hiddify/libcore/hiddifyrpc"
+	"github.com/sagernet/sing/common/observable"
+)
+
+var logObserver = observable.Observer[pb.LogMessage]{}
+
+func Log(level pb.LogLevel, typ pb.LogType, message string) {
+	logObserver.Emit(pb.LogMessage{
+		Level:   level,
+		Type:    typ,
+		Message: message,
+	})
+
+}
+
+func (s *server) LogListener(stream pb.Hiddify_LogListenerServer) error {
+	logSub, _, _ := logObserver.Subscribe()
+	defer logObserver.UnSubscribe(logSub)
+
+	stopch := make(chan int)
+	go func() {
+		stream.Recv()
+		close(stopch)
+	}()
+	for {
+		select {
+		case <-stream.Context().Done():
+			break
+		case <-stopch:
+			break
+		case info := <-logSub:
+			stream.Send(&info)
+		case <-time.After(500 * time.Millisecond):
+		}
+	}
+}