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1 | /* |
2 | * Copyright (c) 2017 Uber Technologies, Inc. | |
3 | * | |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | ||
17 | #include "jaegertracing/metrics/Metrics.h" | |
18 | #include "jaegertracing/metrics/Counter.h" | |
19 | #include "jaegertracing/metrics/Gauge.h" | |
20 | #include "jaegertracing/metrics/NullStatsFactory.h" | |
21 | #include <iterator> | |
22 | #include <map> | |
23 | #include <sstream> | |
24 | #include <utility> | |
25 | ||
26 | namespace jaegertracing { | |
27 | namespace metrics { | |
28 | ||
29 | std::unique_ptr<Metrics> Metrics::makeNullMetrics() | |
30 | { | |
31 | metrics::NullStatsFactory factory; | |
32 | return std::unique_ptr<Metrics>(new Metrics(factory)); | |
33 | } | |
34 | ||
35 | std::string Metrics::addTagsToMetricName( | |
36 | const std::string& name, | |
37 | const std::unordered_map<std::string, std::string>& tags) | |
38 | { | |
39 | std::ostringstream buffer; | |
40 | buffer << name; | |
41 | const std::map<std::string, std::string> orderedMap(std::begin(tags), | |
42 | std::end(tags)); | |
43 | for (auto&& pair : orderedMap) { | |
44 | buffer << '.' << pair.first << '=' << pair.second; | |
45 | } | |
46 | return buffer.str(); | |
47 | } | |
48 | ||
49 | Metrics::~Metrics() = default; | |
50 | ||
51 | } // namespace metrics | |
52 | } // namespace jaegertracing |