// Copyright 2022-2025 ETSI SDG TeraFlowSDN (TFS) (https://tfs.etsi.org/)
//
// 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 kpi_manager;

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

service KpiManagerService {
  rpc SetKpiDescriptor    (KpiDescriptor      ) returns (KpiId               ) {}
  rpc DeleteKpiDescriptor (KpiId              ) returns (context.Empty       ) {}
  rpc GetKpiDescriptor    (KpiId              ) returns (KpiDescriptor       ) {}
  rpc SelectKpiDescriptor (KpiDescriptorFilter) returns (KpiDescriptorList   ) {}
}

message KpiId {
  context.Uuid kpi_id = 1;
}

message KpiDescriptor {
  KpiId                          kpi_id          = 1;
  string                         kpi_description = 2;
  kpi_sample_types.KpiSampleType kpi_sample_type = 3;
  context.DeviceId               device_id       = 4;
  context.EndPointId             endpoint_id     = 5;
  context.ServiceId              service_id      = 6;
  context.SliceId                slice_id        = 7;
  context.ConnectionId           connection_id   = 8;
  context.LinkId                 link_id         = 9;
}

message KpiDescriptorFilter {
  // KPI Descriptors 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 KPI Descriptors
  repeated KpiId                          kpi_id          = 1;
  repeated kpi_sample_types.KpiSampleType kpi_sample_type = 2;
  repeated context.DeviceId               device_id       = 3;
  repeated context.EndPointId             endpoint_id     = 4;
  repeated context.ServiceId              service_id      = 5;
  repeated context.SliceId                slice_id        = 6;
  repeated context.ConnectionId           connection_id   = 7;
  repeated context.LinkId                 link_id         = 8;
}

message KpiDescriptorList {
  repeated KpiDescriptor kpi_descriptor_list = 1;
}