syntax = "proto3";
package device;

import "context.proto";
import "kpi_manager.proto";
import "kpi_sample_types.proto";

service TelemetryFrontendService {
  rpc StartCollector  (Collector      ) returns (CollectorId  ) {}
  rpc StopCollector   (CollectorId    ) returns (context.Empty) {}
  rpc SelectCollectors(CollectorFilter) returns (CollectorList) {}
}

message CollectorId {
  context.Uuid collector_id = 1;
}

message Collector {
  CollectorId collector_id = 1; // The Collector ID
  kpi_manager.KpiId kpi_id = 2; // The KPI Id to be associated to the collected samples
  float duration_s         = 3; // Terminate data collection after duration[seconds]; duration==0 means indefinitely
  float interval_s         = 4; // Interval between collected samples
}

message CollectorFilter {
  // Collector that fulfill the filter are those that match ALL the following fields.
  // An empty list means: any value is accepted.
  // All fields empty means: list all Collectors
  repeated CollectorId                    collector_id    = 1;
  repeated kpi_manager.KpiId              kpi_id          = 2;
  repeated kpi_sample_types.KpiSampleType kpi_sample_type = 3;
  repeated context.DeviceId               device_id       = 4;
  repeated context.EndPointId             endpoint_id     = 5;
  repeated context.ServiceId              service_id      = 6;
  repeated context.SliceId                slice_id        = 7;
  repeated context.ConnectionId           connection_id   = 8;
  repeated context.LinkId                 link_id         = 9;
}

message CollectorList {
  repeated Collector collector_list = 1;
}