// Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto2";

message ChannelData {
  repeated Inst insts = 1;
  required int32 id = 2;
  optional string type = 3
      [ default = "CD" ]; // CD(channel data), CF(channel futures)
  required int32 is_error = 4;
  optional string error_info = 5;
}

message Inst {
  required bytes data = 1;
  required string name = 2;
}