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syntax = "proto3";

package aerospike.vector;

option go_package = "aerospike.com/vector/protos/";
option java_package = "com.aerospike.vector.client";
option java_multiple_files = true;

import "google/protobuf/empty.proto";

// The about request message.
message AboutRequest {
  // Empty for now.
}

// The about response message.
message AboutResponse {
  // Proximus server version.
  string version = 1;
}

// Cluster Id
message ClusterId {
  uint64 id = 1;
}

// A server node Id
message NodeId {
  uint64 id = 1;
}

// Server endpoint.
message ServerEndpoint {
  // IP address or DNS name.
  string address = 1;

  // Listening port.
  uint32 port = 2;

  // Indicates if this is a TLS enabled port.
  bool isTls = 3;
}

// Server endpoint.
message ServerEndpointList {
  // List of server endpoints.
  repeated ServerEndpoint endpoints = 1;
}

// Cluster endpoint.
message ClusterNodeEndpoints {
  map endpoints = 1;
}

// Cluster endpoint.
message ClusterNodeEndpointsRequest {
  // Optional name of the listener.
  // If not specified the "default" listener endpoints are returned.
  optional string listenerName = 1;
}

message OwnedPartitions {
  repeated uint64 ownedPartitions = 1;
}

// Cluster partition ownership.
message ClusterPartitions {
  // A map from node-ids to owned partition list.
  map partitions = 1;
}

// Information about the service.
service About {
  rpc Get (AboutRequest) returns (AboutResponse) {}
}

// Vector DB cluster service.
service ClusterInfo {
  // Get the internal cluster node-Id for this server.
  rpc GetNodeId(google.protobuf.Empty) returns (NodeId) {}

  // Get current cluster-Id for the current cluster.
  rpc GetClusterId(google.protobuf.Empty) returns (ClusterId) {}

  // Get the advertised/listening endpoints for all nodes in the cluster, given a listener name.
  rpc GetClusterEndpoints(ClusterNodeEndpointsRequest) returns(ClusterNodeEndpoints) {}

  // Get per-node owned partition list for all nodes in the cluster.
  rpc GetOwnedPartitions(google.protobuf.Empty) returns(ClusterPartitions) {}
}