增加调试代码

agent/internal/grpc/io.go

@@ -60,10 +60,14 @@ func (s *Service) SendStream(server agtrpc.Agent_SendStreamServer) error {
 
 	pr, pw := io.Pipe()
 
+	rb := io2.RingBuffer(pr, 16*1024)
+	rb.UpstreamName = fmt.Sprintf("GRPC(send) input")
+	rb.DownstreamName = fmt.Sprintf("GRPC(send) output %v", msg.VarID)
+
 	varID := exec.VarID(msg.VarID)
 	sw.PutVars(&exec.StreamVar{
 		ID:     varID,
-		Stream: pr,
+		Stream: rb,
 	})
 
 	// 然后读取文件数据

common/pkgs/ioswitch2/ops2/ipfs.go

@@ -44,7 +44,10 @@ func (o *IPFSRead) Execute(ctx context.Context, e *exec.Executor) error {
 	defer file.Close()
 
 	fut := future.NewSetVoid()
-	o.Output.Stream = io2.AfterReadClosedOnce(file, func(closer io.ReadCloser) {
+	rb := io2.RingBuffer(file, 16*1024)
+	rb.UpstreamName = "IPFS"
+	rb.DownstreamName = fmt.Sprintf("IPFS output %v", o.Output.ID)
+	o.Output.Stream = io2.AfterReadClosedOnce(rb, func(closer io.ReadCloser) {
 		fut.SetVoid()
 	})
 	e.PutVars(o.Output)