fix context canceled recv error handling

Signed-off-by: Kuromesi <[email protected]>

Author: Kuromesi

pkg/epp/handlers/server.go

@@ -18,7 +18,6 @@ package handlers
 
 import (
 	"context"
-	"errors"
 	"io"
 	"time"
 
@@ -90,9 +89,13 @@ func (s *Server) Process(srv extProcPb.ExternalProcessor_ProcessServer) error {
 		}
 
 		req, recvErr := srv.Recv()
-		if recvErr == io.EOF || errors.Is(recvErr, context.Canceled) {
+		if recvErr == io.EOF {
 			return nil
 		}
+		if status.Code(recvErr) == codes.Canceled {
+			logger.V(logutil.DEBUG).Info("request context canceled")
+			return recvErr
+		}
 		if recvErr != nil {
 			// This error occurs very frequently, though it doesn't seem to have any impact.
 			// TODO Figure out if we can remove this noise.