// Copyright 2019 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

syntax = "proto3";

package rte;

service RTE {
  rpc Repair(RepairRequest) returns (RepairResponse);
  rpc Provision(ProvisionRequest) returns (ProvisionResponse);
  // Runs a shell command with the default shell.
  // Does not spawn a tty.
  rpc DutShell(DutShellRequest) returns (stream DutShellResponse);

  rpc GetDeviceConfig(GetDeviceConfigRequest) returns (GetDeviceConfigResponse);
  rpc GetDeviceState(GetDeviceStateRequest) returns (GetDeviceStateResponse);
  rpc SetDeviceState(SetDeviceStateRequest) returns (SetDeviceStateResponse);

  rpc AvailableServices(AvailableServicesRequest) returns (AvailableServicesResponse);
}

message RepairRequest {}
message RepairResponse {
  enum Status {
    STATUS_UNKNOWN = 0;
    STATUS_OK = 1;
    STATUS_REPAIRED = 2;
    STATUS_FAILED = 3;
  }
  Status status = 1;
  string explanation = 2;
}

message ProvisionRequest {
  Image image = 1;
}
message ProvisionResponse {
  enum Status {
    STATUS_UNKNOWN = 0;
    STATUS_OK = 1;
    STATUS_FAIL_DUT_ALREADY_BAD = 2;
    STATUS_FAIL_DOWNLOAD_IMAGE = 3;
    STATUS_FAIL_TRANSFER_IMAGE = 4;
    STATUS_FAIL_WRITE_PARTITIONS = 5;
    STATUS_FAIL_DUT_GONE_AFTER_REBOOT = 6;
  }
  Status status = 1;
  string explanation = 2;
}

message Image {}

message DutShellRequest {
  string command = 1;
}
message DutShellResponse {
  int32 status = 1;
  // exited will be true for the last response in stream.
  // status will be set.
  // No more output follows.
  bool exited = 2;
  bytes output = 3;
}

message GetDeviceConfigRequest {}
message GetDeviceConfigResponse {}

message GetDeviceStateRequest {}
message GetDeviceStateResponse {}

message SetDeviceStateRequest {}
message SetDeviceStateResponse {}

message DeviceState {
  Image installed_image = 1;
  enum State {
    STATE_NEEDS_REPAIR = 0;
  }
  State state = 2;
}

message AvailableServicesRequest {}
message AvailableServicesResponse {
  enum Service {
    SERVICE_UNKNOWN = 0;
    SERVICE_SERVO = 1;
    SERVICE_RPM = 2;
    SERVICE_CHAMELEON = 3;
  }
  repeated Service service = 1;
}