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/*
* 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 <cinttypes>
#include <optional>
#include <string>
#include <string_view>
#include <variant>
#include "lock.hh"
#include "stat_t.hh"
namespace dnsdist::metrics
{
using Error = std::string;
[[nodiscard]] std::optional<Error> declareCustomMetric(const std::string& name, const std::string& type, const std::string& description, std::optional<std::string> customName);
[[nodiscard]] std::variant<uint64_t, Error> incrementCustomCounter(const std::string_view& name, uint64_t step);
[[nodiscard]] std::variant<uint64_t, Error> decrementCustomCounter(const std::string_view& name, uint64_t step);
[[nodiscard]] std::variant<double, Error> setCustomGauge(const std::string_view& name, const double value);
[[nodiscard]] std::variant<double, Error> getCustomMetric(const std::string_view& name);
using pdns::stat_t;
struct Stats
{
Stats();
stat_t responses{0};
stat_t servfailResponses{0};
stat_t queries{0};
stat_t frontendNXDomain{0};
stat_t frontendServFail{0};
stat_t frontendNoError{0};
stat_t nonCompliantQueries{0};
stat_t nonCompliantResponses{0};
stat_t rdQueries{0};
stat_t emptyQueries{0};
stat_t aclDrops{0};
stat_t dynBlocked{0};
stat_t ruleDrop{0};
stat_t ruleNXDomain{0};
stat_t ruleRefused{0};
stat_t ruleServFail{0};
stat_t ruleTruncated{0};
stat_t selfAnswered{0};
stat_t downstreamTimeouts{0};
stat_t downstreamSendErrors{0};
stat_t truncFail{0};
stat_t noPolicy{0};
stat_t cacheHits{0};
stat_t cacheMisses{0};
stat_t latency0_1{0}, latency1_10{0}, latency10_50{0}, latency50_100{0}, latency100_1000{0}, latencySlow{0}, latencySum{0}, latencyCount{0};
stat_t securityStatus{0};
stat_t dohQueryPipeFull{0};
stat_t dohResponsePipeFull{0};
stat_t doqResponsePipeFull{0};
stat_t doh3ResponsePipeFull{0};
stat_t outgoingDoHQueryPipeFull{0};
stat_t proxyProtocolInvalid{0};
stat_t tcpQueryPipeFull{0};
stat_t tcpCrossProtocolQueryPipeFull{0};
stat_t tcpCrossProtocolResponsePipeFull{0};
double latencyAvg100{0}, latencyAvg1000{0}, latencyAvg10000{0}, latencyAvg1000000{0};
double latencyTCPAvg100{0}, latencyTCPAvg1000{0}, latencyTCPAvg10000{0}, latencyTCPAvg1000000{0};
double latencyDoTAvg100{0}, latencyDoTAvg1000{0}, latencyDoTAvg10000{0}, latencyDoTAvg1000000{0};
double latencyDoHAvg100{0}, latencyDoHAvg1000{0}, latencyDoHAvg10000{0}, latencyDoHAvg1000000{0};
double latencyDoQAvg100{0}, latencyDoQAvg1000{0}, latencyDoQAvg10000{0}, latencyDoQAvg1000000{0};
double latencyDoH3Avg100{0}, latencyDoH3Avg1000{0}, latencyDoH3Avg10000{0}, latencyDoH3Avg1000000{0};
using statfunction_t = std::function<uint64_t(const std::string&)>;
using entry_t = std::variant<stat_t*, pdns::stat_t_trait<double>*, double*, statfunction_t>;
struct EntryPair
{
std::string d_name;
entry_t d_value;
};
SharedLockGuarded<std::vector<EntryPair>> entries;
};
extern struct Stats g_stats;
}
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