21361274430

Committed 26 Jan 2026 02:28PM UTC coverage: 71.533% (+4.1%) from 67.39%

Build # 21361274430

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #16768 from rgacogne/and-in-the-darkness-bind-them

dnsdist: Implement sampling in our in-memory ring buffers

Coverage Stats

44772 of 77566 branches covered (57.72%)

Branch coverage included in aggregate %.

245 of 265 new or added lines in 12 files covered. (92.45%)

43 existing lines in 9 files now uncovered.

129243 of 165698 relevant lines covered (78.0%)

7830511.86 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

73.08

/pdns/statnode.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
#include "dnsname.hh"
#include <map>
#include "iputils.hh"

class StatNode
{
public:

  struct Stat
  {
    Stat() {};
    uint64_t queries{0};
    uint64_t noerrors{0};
    uint64_t nxdomains{0};
    uint64_t servfails{0};
    uint64_t drops{0};
    uint64_t bytes{0};
    uint64_t hits{0};
    using remotes_t = std::map<ComboAddress,int,ComboAddress::addressOnlyLessThan>;
    remotes_t remotes;

    Stat& operator+=(const Stat& rhs) {
      queries += rhs.queries;
      noerrors += rhs.noerrors;
      nxdomains += rhs.nxdomains;
      servfails += rhs.servfails;
      drops += rhs.drops;
      bytes += rhs.bytes;
      hits += rhs.hits;

      for (const remotes_t::value_type& rem : rhs.remotes) {
        remotes[rem.first] += rem.second;
      }
      return *this;
    }
  };

  using visitor_t = std::function<void(const StatNode*, const Stat& selfstat, const Stat& childstat)>;

  Stat s;
  std::string name;
  std::string fullname;
  uint8_t labelsCount{0};

  void submit(const DNSName& domain, int rcode, uint32_t bytes, bool hit, const std::optional<ComboAddress>& remote, size_t samplingRate);
  Stat print(unsigned int depth=0, Stat newstat=Stat(), bool silent=false) const;
  void visit(const visitor_t& visitor, Stat& newstat, unsigned int depth = 0) const;
  bool empty() const
  {
    return children.empty() && s.remotes.empty();
  }
  size_t size() const
  {
    return children.size();
  }

private:
  void submit(std::vector<string>::const_iterator end, std::vector<string>::const_iterator begin, const std::string& domain, int rcode, uint32_t bytes, const std::optional<ComboAddress>& remote, unsigned int count, bool hit, size_t samplingRate);

  using children_t = std::map<std::string, StatNode, CIStringCompare>;
  children_t children;
};

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	#include "dnsname.hh"
24	#include <map>
25	#include "iputils.hh"
26
27	class StatNode
28	{
29	public:
30
31	struct Stat
32	{
33	Stat() {};	1,497✔
34	uint64_t queries{0};
35	uint64_t noerrors{0};
36	uint64_t nxdomains{0};
37	uint64_t servfails{0};
38	uint64_t drops{0};
39	uint64_t bytes{0};
40	uint64_t hits{0};
41	using remotes_t = std::map<ComboAddress,int,ComboAddress::addressOnlyLessThan>;
42	remotes_t remotes;
43
44	Stat& operator+=(const Stat& rhs) {	1,072✔
45	queries += rhs.queries;	1,072✔
46	noerrors += rhs.noerrors;	1,072✔
47	nxdomains += rhs.nxdomains;	1,072✔
48	servfails += rhs.servfails;	1,072✔
49	drops += rhs.drops;	1,072✔
50	bytes += rhs.bytes;	1,072✔
51	hits += rhs.hits;	1,072✔
52
53	for (const remotes_t::value_type& rem : rhs.remotes) {	1,072!
54	remotes[rem.first] += rem.second;	×
55	}	×
56	return *this;	1,072✔
57	}	1,072✔
58	};
59
60	using visitor_t = std::function<void(const StatNode*, const Stat& selfstat, const Stat& childstat)>;
61
62	Stat s;
63	std::string name;
64	std::string fullname;
65	uint8_t labelsCount{0};
66
67	void submit(const DNSName& domain, int rcode, uint32_t bytes, bool hit, const std::optional<ComboAddress>& remote, size_t samplingRate);
68	Stat print(unsigned int depth=0, Stat newstat=Stat(), bool silent=false) const;
69	void visit(const visitor_t& visitor, Stat& newstat, unsigned int depth = 0) const;
70	bool empty() const
71	{	413✔
72	return children.empty() && s.remotes.empty();	413!
73	}	413✔
74	size_t size() const
NEW 75	{	×
NEW 76	return children.size();	×
NEW 77	}	×
78
79	private:
80	void submit(std::vector<string>::const_iterator end, std::vector<string>::const_iterator begin, const std::string& domain, int rcode, uint32_t bytes, const std::optional<ComboAddress>& remote, unsigned int count, bool hit, size_t samplingRate);
81
82	using children_t = std::map<std::string, StatNode, CIStringCompare>;
83	children_t children;
84	};

PowerDNS / pdns / 21361274430

Source File Press 'n' to go to next uncovered line, 'b' for previous

Source File
Press 'n' to go to next uncovered line, 'b' for previous