/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * 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 profiler.proto;

import "io.proto";

service InternalIoService {
  rpc TrackIoSessionStart(IoSessionStartRequest) returns (EmptyIoReply) {}
  rpc TrackIoCall(IoCallRequest) returns (EmptyIoReply) {}
  rpc TrackIoSessionEnd(IoSessionEndRequest) returns (EmptyIoReply) {}
}

// Tracks an I/O call either reading or writing. Contains info about
// number of bytes read or written, timestamp when the reading or
// writing started and the timestamp when it ended.
message IoCallRequest {
  int32 process_id = 1;
  int64 io_session_id = 2;
  IoType type = 3;
  int32 bytes_count = 4;
  int64 start_timestamp = 5;
  int64 end_timestamp = 6;
}

// Tracks an I/O session starting. Contains info about the path of the file
// read from or written to, and the timestamp when the
// session started.
message IoSessionStartRequest {
  int32 process_id = 1;
  int64 io_session_id = 2;
  string file_path = 3;
  int64 timestamp = 4;
}

// Tracks an I/O session ending.
// Contains the timestamp when the session ended.
message IoSessionEndRequest {
  int32 process_id = 1;
  int64 io_session_id = 2;
  int64 timestamp = 3;
}

message EmptyIoReply {}