// SPDX-FileCopyrightText: 2020 The Magma Authors.
// SPDX-FileCopyrightText: 2022 Open Networking Foundation <support@opennetworking.org>
//
// SPDX-License-Identifier: BSD-3-Clause

syntax = "proto3";
package magma.orc8r;

import "orc8r/protos/common.proto";
import "orc8r/protos/metricsd.proto";
import "google/protobuf/wrappers.proto";

option go_package = "magma/orc8r/lib/go/protos";

// --------------------------------------------------------------------------
// Service status messages
// --------------------------------------------------------------------------

message EnodebdStatus {
  // For bools, parameter is not set if result can't be determined
  google.protobuf.BoolValue enodeb_connected = 1;
  google.protobuf.BoolValue opstate_enabled = 2;
  google.protobuf.BoolValue rf_tx_on = 3;
  google.protobuf.BoolValue gps_connected = 4;
  google.protobuf.BoolValue ptp_connected = 5;
  google.protobuf.BoolValue mme_connected = 6;
  google.protobuf.BoolValue enodeb_configured = 7;
  google.protobuf.FloatValue gps_latitude = 8;
  google.protobuf.FloatValue gps_longitude = 9;
  google.protobuf.BoolValue rf_tx_desired = 10;
}

message ServiceStatus {
  // Metadata from the services that will be sent to the cloud through checkin
  map<string, string> meta = 2;
}

message ServiceInfo {
  string name = 1;

  string version = 2;

  enum ServiceState {
    UNKNOWN = 0;
    STARTING = 1;
    ALIVE = 2;
    STOPPING = 3;
    STOPPED = 4;
  }
  ServiceState state = 3;

  ServiceStatus status = 4;

  // Gives information about whether the application is usable. Though the
  // process may have started, the connections may not be set up. APP_HEALTHY in
  // this case means the application is entirely usable
  enum ApplicationHealth {
    APP_UNKNOWN = 0;
    APP_UNHEALTHY = 1;
    APP_HEALTHY = 2;
  }
  ApplicationHealth health = 5;

  // Time when the service was started (in seconds since epoch)
  uint64 start_time_secs = 6;
}

message LogLevelMessage {
    LogLevel level = 1;
}

message LogVerbosity {
  int32 verbosity = 1;
}

message ReloadConfigResponse {
  enum ReloadConfigResult {
    RELOAD_UNKNOWN = 0;
    RELOAD_SUCCESS = 1;
    RELOAD_FAILURE = 2;
    RELOAD_UNSUPPORTED = 3;
  }
  ReloadConfigResult result = 1;
}

message State {
    // Type determines how the value is deserialized and validated on the cloud service side
    string type = 1;
    string deviceID = 2;
    // Value contains the operational state json-serialized.
    bytes value = 3;
    uint64 version = 4;
}

message GetOperationalStatesResponse {
  repeated State states = 1;
}

// --------------------------------------------------------------------------
// Service303 interface definition.
//
// Service303 is named after fb303, which was named after TB-303
// https://en.wikipedia.org/wiki/Roland_TB-303.
//
// The Service303 interface implements a set of functionalities which
// all Magma services expose.
// --------------------------------------------------------------------------
service Service303 {

  // Returns the service level info like name, version, state, status, etc.
  //
  rpc GetServiceInfo (Void) returns (ServiceInfo) {}

  // Request to stop the service gracefully.
  //
  rpc StopService (Void) returns (Void) {}

  // Collects metrics from the service
  rpc GetMetrics (Void) returns (MetricsContainer) {}

  // Set logging level
  rpc SetLogLevel (LogLevelMessage) returns (Void) {}

  // Set logging verbosity The larger, the more verbose. default 0
  rpc SetLogVerbosity (LogVerbosity) returns (Void) {}

  // Requests service reloads config files loaded on startup (<servicename>.yml)
  rpc ReloadServiceConfig (Void) returns (ReloadConfigResponse) {}

  // Returns the  operational states of devices managed by this service.
  rpc GetOperationalStates (Void) returns (GetOperationalStatesResponse) {}
}