syntax = "proto3";
package monitoring;

import "context.proto";
//import "kpi_sample_types.proto";

service MonitoringService {
  // Old RPCs:
  rpc CreateKpi (CreateKpiRequest) returns (KpiId) {}
  rpc IncludeKpi (IncludeKpiRequest) returns (context.Empty) {}
  rpc MonitorKpi (MonitorKpiRequest) returns (context.Empty) {}
  rpc MonitorDeviceKpi (MonitorDeviceKpiRequest) returns (context.Empty) {}
  rpc GetStreamKpi ( KpiId ) returns (stream Kpi) {}
  rpc GetInstantKpi ( KpiId ) returns (Kpi) {}

  // New RPCs:
  //rpc CreateKpi       (KpiDescriptor    ) returns (KpiId        ) {}
  //rpc GetKpiDescriptor(KpiId            ) returns (KpiDescriptor) {}
  //rpc IncludeKpi      (Kpi              ) returns (context.Empty) {}
  //rpc MonitorKpi      (MonitorKpiRequest) returns (context.Empty) {}
  //rpc GetStreamKpi    (KpiId            ) returns (stream Kpi   ) {}
  //rpc GetInstantKpi   (KpiId            ) returns (Kpi          ) {}
}

message CreateKpiRequest /*New name: KpiDescriptor*/ {
  // Old fields:
  string kpiDescription = 1;
  context.DeviceId device_id = 2;
  KpiSampleType kpi_sample_type = 3;
  //  context.EndpointId endpoint_id = 4;  // others might be added
  //  context.ServiceId  service_id  = 5;  // for monitoring other
  //  context.SliceId    slice_id    = 6;  // entities

  // New fields:
  //string kpi_description = 1;
  //kpi_sample_types.KpiSampleType kpi_sample_type = 2;
  //context.DeviceId device_id = 3;
  //context.EndPointId endpoint_id = 4;
  //context.ServiceId  service_id  = 5;
  ////context.SliceId    slice_id    = 6; // to be used in future features
}

message MonitorKpiRequest{
  KpiId kpi_id = 1;

  // Old fields:
  uint32 connexion_time_s = 2;
  uint32 sample_rate_ms = 3;

  // New fields:
  //float sampling_duration_s = 2;
  //float sampling_interval_s = 3;
}

// Message to be removed:
message MonitorDeviceKpiRequest{
  Kpi kpi = 1;
  uint32 connexion_time_s = 2;
  uint32 sample_rate_ms = 3;
}

// Message to be removed:
message IncludeKpiRequest{
  KpiId kpi_id = 1;
  string time_stamp = 2;
  KpiValue kpi_value= 3;
}

message KpiId {
  context.Uuid kpi_id = 1;
}

message Kpi {
  KpiId kpi_id = 1;
  string timestamp = 2;
  string kpiDescription = 3;          // field to be removed
  KpiValue kpi_value = 4;             // field to be renumbered to 3
  KpiSampleType kpi_sample_type = 5;  // field to be removed
  context.DeviceId device_id = 6;     // field to be removed
  //  context.EndpointId endpoint_id = 7;  // others might be added // field to be removed
  //  context.ServiceId  service_id  = 8;  // for monitoring other  // field to be removed
  //  context.SliceId    slice_id    = 9;  // entities              // field to be removed
}

message KpiValue {
  oneof value {
    uint32 intVal = 1;      // field to be renamed to int_val
    float floatVal = 2;     // field to be renamed to float_val
    string stringVal = 3;   // field to be renamed to str_val
    bool boolVal = 4;       // field to be renamed to bool_val
  }
}

message KpiList {
  repeated Kpi kpiList = 1; // to be renamed to kpi_list
}

enum KpiSampleType {  // to be moved to file "kpi_sample_types.proto"
  UNKNOWN = 0;
  PACKETS_TRANSMITTED = 101;  // others might be added for
  PACKETS_RECEIVED    = 102;  // packet, optical, radio,...
  BYTES_TRANSMITTED   = 201;
  BYTES_RECEIVED      = 202;
}
