// Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (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 pathcomp;

import "context.proto";

service PathCompService {
  rpc Compute(PathCompRequest) returns (PathCompReply) {}
}

message Algorithm_ShortestPath {}

message Algorithm_KShortestPath {
  uint32 k_inspection = 1;
  uint32 k_return     = 2;
}

message Algorithm_KDisjointPath {
  uint32 num_disjoint = 1;
}

message PathCompRequest {
  repeated context.Service services = 1;
  oneof algorithm {
    Algorithm_ShortestPath  shortest_path   = 10;
    Algorithm_KShortestPath k_shortest_path = 11;
    Algorithm_KDisjointPath k_disjoint_path = 12;
  }
}

message PathCompReply {
  // Services requested completed with possible missing fields, and
  // sub-services required for supporting requested services on the
  // underlying layers.
  repeated context.Service services = 1;

  // Connections supporting the requested services and sub-services
  // required for the underlying layers.
  repeated context.Connection connections = 2;
}