1# Copyright 2016 gRPC authors.
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#     http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15require_relative '../pb/grpc/testing/metrics_pb.rb'
16require_relative '../pb/grpc/testing/metrics_services_pb.rb'
17
18class Gauge
19  def get_name
20    raise NoMethodError.new
21  end
22
23  def get_type
24    raise NoMethodError.new
25  end
26
27  def get_value
28    raise NoMethodError.new
29  end
30end
31
32class MetricsServiceImpl < Grpc::Testing::MetricsService::Service
33  include Grpc::Testing
34  @gauges
35
36  def initialize
37    @gauges = {}
38  end
39
40  def register_gauge(gauge)
41    @gauges[gauge.get_name] = gauge
42  end
43
44  def make_gauge_response(gauge)
45    response = GaugeResponse.new(:name => gauge.get_name)
46    value = gauge.get_value
47    case gauge.get_type
48    when 'long'
49      response.long_value = value
50    when 'double'
51      response.double_value = value
52    when 'string'
53      response.string_value = value
54    end
55    response
56  end
57
58  def get_all_gauges(_empty, _call)
59    @gauges.values.map do |gauge|
60      make_gauge_response gauge
61    end
62  end
63
64  def get_gauge(gauge_req, _call)
65    gauge = @gauges[gauge_req.name]
66    make_gauge_response gauge
67  end
68end
69