// 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 = "proto3";
package scheduler;

message Request {
  int32 node_idx = 1;
  int32 sample_num = 2;
  int32 shard_num = 3;
  int32 node_num = 4;
  int32 min_ins_num = 5;
  string date = 6;
}

message UserList {
  repeated string uids = 1;
  repeated float weight = 2;
}

message Param {
  string name = 1;
  repeated float weight = 2;
  repeated int32 shape = 3;
}

message GlobalParams {
  repeated Param global_params = 1;
  int32 err_code = 2;
}

message UserInstNum {
  string uid = 1;
  int32 inst_num = 2;
}

message UserInstInfo {
  repeated UserInstNum inst_nums = 1;
  int32 shard_num = 2;
  string date = 3;
}

message Res { int32 err_code = 1; }

message SchedulerServerEmptyInput {}

service SchedulerServer {
  // (Method definitions not shown)
  rpc SampleUsersToTrain(Request) returns (UserInstInfo) {}
  rpc FixedUsersToTrain(Request) returns (UserInstInfo) {}
  rpc GetGlobalParams(Request) returns (GlobalParams) {}
  rpc UpdateGlobalParams(GlobalParams) returns (Res) {}
  rpc FedAvgUpdate(GlobalParams) returns (Res) {}
  rpc UpdateUserInstNum(UserInstInfo) returns (Res) {}
  rpc Exit(SchedulerServerEmptyInput) returns (Res) {}
  rpc SampleUsersToTest(Request) returns (UserInstInfo) {}
  rpc SampleUsersWithHash(Request) returns (UserInstInfo) {}
}