// Copyright (C) 2020 Storj Labs, Inc.
// See LICENSE for copying information.

syntax = "proto3";
option go_package = "storj.io/storj/private/multinodepb";

package multinode;

import "gogo.proto";
import "google/protobuf/timestamp.proto";

message RequestHeader {
  bytes api_key = 1;
}

service Storage {
  rpc DiskSpace(DiskSpaceRequest) returns (DiskSpaceResponse);
}

message DiskSpaceRequest {
  RequestHeader header = 1;
}

message DiskSpaceResponse {
  int64 allocated = 1;
  int64 used_pieces = 2;
  int64 used_trash = 3;
  int64 free = 4;
  int64 available = 5;
  int64 overused = 6;
}

service Bandwidth {
  rpc MonthSummary(BandwidthMonthSummaryRequest) returns (BandwidthMonthSummaryResponse);
}

message BandwidthMonthSummaryRequest {
  RequestHeader header = 1;
}

message BandwidthMonthSummaryResponse {
  int64 used = 1;
}

service Node {
  rpc Version(VersionRequest) returns (VersionResponse);
  rpc LastContact(LastContactRequest) returns (LastContactResponse);
}

message VersionRequest {
  RequestHeader header = 1;
}

message VersionResponse {
  string version = 1; // must be semver formatted
}

message LastContactRequest {
  RequestHeader header = 1;
}

message LastContactResponse {
  google.protobuf.Timestamp last_contact = 1 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
}