| // Copyright 2015-2016 gRPC authors. |
| // |
| // 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. |
| |
| // Contains the definitions for a metrics service and the type of metrics |
| // exposed by the service. |
| // |
| // Currently, 'Gauge' (i.e a metric that represents the measured value of |
| // something at an instant of time) is the only metric type supported by the |
| // service. |
| syntax = "proto3"; |
| |
| option go_package = "google.golang.org/grpc/stress/grpc_testing"; |
| |
| package grpc.testing; |
| |
| // Response message containing the gauge name and value |
| message GaugeResponse { |
| string name = 1; |
| oneof value { |
| int64 long_value = 2; |
| double double_value = 3; |
| string string_value = 4; |
| } |
| } |
| |
| // Request message containing the gauge name |
| message GaugeRequest { |
| string name = 1; |
| } |
| |
| message EmptyMessage {} |
| |
| service MetricsService { |
| // Returns the values of all the gauges that are currently being maintained by |
| // the service |
| rpc GetAllGauges(EmptyMessage) returns (stream GaugeResponse); |
| |
| // Returns the value of one gauge |
| rpc GetGauge(GaugeRequest) returns (GaugeResponse); |
| } |