new: add hiddifyrpc

v2/coreinfo.go

@@ -0,0 +1,44 @@
+package v2
+
+import (
+	"time"
+
+	pb "github.com/hiddify/libcore/hiddifyrpc"
+	"github.com/sagernet/sing/common/observable"
+)
+
+var coreInfoObserver = observable.Observer[pb.CoreInfoResponse]{}
+var CoreState = pb.CoreState_STOPPED
+
+func SetCoreStatus(state pb.CoreState, msgType pb.MessageType, message string) pb.CoreInfoResponse {
+	CoreState = state
+	info := pb.CoreInfoResponse{
+		CoreState:   state,
+		MessageType: msgType,
+		Message:     message,
+	}
+	coreInfoObserver.Emit(info)
+	return info
+
+}
+
+func (s *server) CoreInfoListener(stream pb.Hiddify_CoreInfoListenerServer) error {
+	coreSub, _, _ := coreInfoObserver.Subscribe()
+	defer coreInfoObserver.UnSubscribe(coreSub)
+	stopch := make(chan int)
+	go func() {
+		stream.Recv()
+		close(stopch)
+	}()
+	for {
+		select {
+		case <-stream.Context().Done():
+			break
+		case <-stopch:
+			break
+		case info := <-coreSub:
+			stream.Send(&info)
+		case <-time.After(500 * time.Millisecond):
+		}
+	}
+}