19741624072

Committed 27 Nov 2025 03:45PM UTC coverage: 73.086% (+0.02%) from 73.065%

Build # 19741624072

Build Type

Pull #16570

github

Committed by

web-flow

Commit Message

Merge 08a2cdb1d into f94a3f63f

Pull Request Pull Request #16570: rec: rewrite all unwrap calls in web.rs

Run Details

38523 of 63408 branches covered (60.75%)

Branch coverage included in aggregate %.

128044 of 164496 relevant lines covered (77.84%)

6531485.83 hits per line

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80.43

/pdns/dnsdistdist/dnsdist-prometheus.hh

/*
 * This file is part of PowerDNS or dnsdist.
 * Copyright -- PowerDNS.COM B.V. and its contributors
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * In addition, for the avoidance of any doubt, permission is granted to
 * link this program with OpenSSL and to (re)distribute the binaries
 * produced as the result of such linking.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
#pragma once

namespace dnsdist::prometheus
{
struct PrometheusMetricDefinition
{
  const std::string& name;
  const std::string& type;
  const std::string& description;
  const std::string& customName;
};
}

#ifndef DISABLE_PROMETHEUS
// Metric types for Prometheus
enum class PrometheusMetricType: uint8_t {
    counter = 1,
    gauge = 2
};

// Keeps additional information about metrics
struct MetricDefinition {
  MetricDefinition(PrometheusMetricType _prometheusType, const std::string& _description, const std::string& customName_ = ""): description(_description), customName(customName_), prometheusType(_prometheusType) {
  }

  MetricDefinition() = default;

  // Metric description
  std::string description;
  // Custom name, if any
  std::string customName;
  // Metric type for Prometheus
  PrometheusMetricType prometheusType{PrometheusMetricType::counter};
};

struct MetricDefinitionStorage {
  // Return metric definition by name
  bool getMetricDetails(const std::string& metricName, MetricDefinition& metric) const {
    const auto& metricDetailsIter = metrics.find(metricName);

    if (metricDetailsIter == metrics.end()) {
      return false;
    }

    metric = metricDetailsIter->second;
    return true;
  };

  static bool addMetricDefinition(const dnsdist::prometheus::PrometheusMetricDefinition& def) {
    static const std::map<std::string, PrometheusMetricType> namesToTypes = {
      {"counter", PrometheusMetricType::counter},
      {"gauge",   PrometheusMetricType::gauge},
    };
    auto realtype = namesToTypes.find(def.type);
    if (realtype == namesToTypes.end()) {
      return false;
    }
    metrics.emplace(def.name, MetricDefinition{realtype->second, def.description, def.customName});
    return true;
  }

  // Return string representation of Prometheus metric type
  std::string getPrometheusStringMetricType(PrometheusMetricType metricType) const {
    switch (metricType) {
      case PrometheusMetricType::counter:
        return "counter";
        break;
      case PrometheusMetricType::gauge:
        return "gauge";
        break;
      default:
        return "";
        break;
    }
  };

  static std::map<std::string, MetricDefinition> metrics;
};
#endif /* DISABLE_PROMETHEUS */

1	/*
2	* This file is part of PowerDNS or dnsdist.
3	* Copyright -- PowerDNS.COM B.V. and its contributors
4	*
5	* This program is free software; you can redistribute it and/or modify
6	* it under the terms of version 2 of the GNU General Public License as
7	* published by the Free Software Foundation.
8	*
9	* In addition, for the avoidance of any doubt, permission is granted to
10	* link this program with OpenSSL and to (re)distribute the binaries
11	* produced as the result of such linking.
12	*
13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.
17	*
18	* You should have received a copy of the GNU General Public License
19	* along with this program; if not, write to the Free Software
20	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21	*/
22	#pragma once
23
24	namespace dnsdist::prometheus
25	{
26	struct PrometheusMetricDefinition
27	{
28	const std::string& name;
29	const std::string& type;
30	const std::string& description;
31	const std::string& customName;
32	};
33	}
34
35	#ifndef DISABLE_PROMETHEUS
36	// Metric types for Prometheus
37	enum class PrometheusMetricType: uint8_t {
38	counter = 1,
39	gauge = 2
40	};
41
42	// Keeps additional information about metrics
43	struct MetricDefinition {
44	MetricDefinition(PrometheusMetricType _prometheusType, const std::string& _description, const std::string& customName_ = ""): description(_description), customName(customName_), prometheusType(_prometheusType) {	62,701✔
45	}	62,701✔
46
47	MetricDefinition() = default;	171✔
48
49	// Metric description
50	std::string description;
51	// Custom name, if any
52	std::string customName;
53	// Metric type for Prometheus
54	PrometheusMetricType prometheusType{PrometheusMetricType::counter};
55	};
56
57	struct MetricDefinitionStorage {
58	// Return metric definition by name
59	bool getMetricDetails(const std::string& metricName, MetricDefinition& metric) const {	171✔
60	const auto& metricDetailsIter = metrics.find(metricName);	171✔
61
62	if (metricDetailsIter == metrics.end()) {	171✔
63	return false;	12✔
64	}	12✔
65
66	metric = metricDetailsIter->second;	159✔
67	return true;	159✔
68	};	171✔
69
70	static bool addMetricDefinition(const dnsdist::prometheus::PrometheusMetricDefinition& def) {	23✔
71	static const std::map<std::string, PrometheusMetricType> namesToTypes = {	23✔
72	{"counter", PrometheusMetricType::counter},	23✔
73	{"gauge", PrometheusMetricType::gauge},	23✔
74	};	23✔
75	auto realtype = namesToTypes.find(def.type);	23✔
76	if (realtype == namesToTypes.end()) {	23!
77	return false;	×
78	}	×
79	metrics.emplace(def.name, MetricDefinition{realtype->second, def.description, def.customName});	23✔
80	return true;	23✔
81	}	23✔
82
83	// Return string representation of Prometheus metric type
84	std::string getPrometheusStringMetricType(PrometheusMetricType metricType) const {	159✔
85	switch (metricType) {	159✔
86	case PrometheusMetricType::counter:	108✔
87	return "counter";	108✔
88	break;	×
89	case PrometheusMetricType::gauge:	51✔
90	return "gauge";	51✔
91	break;	×
92	default:	×
93	return "";	×
94	break;	×
95	}	159✔
96	};	159✔
97
98	static std::map<std::string, MetricDefinition> metrics;
99	};
100	#endif /* DISABLE_PROMETHEUS */

PowerDNS / pdns / 19741624072

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