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// 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";
package grpc.testing;
// Reponse 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);
}
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