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74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
// Copyright (c) 2014-2017 Statoshi Developers
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// Copyright (c) 2020-2023 The Dash Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_STATSD_CLIENT_H
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#define BITCOIN_STATSD_CLIENT_H
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#include <random.h>
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#include <threadsafety.h>
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#include <util/sock.h>
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#include <string>
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#include <memory>
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static constexpr bool DEFAULT_STATSD_ENABLE{false};
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static constexpr uint16_t DEFAULT_STATSD_PORT{8125};
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static const std::string DEFAULT_STATSD_HOST{"127.0.0.1"};
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static const std::string DEFAULT_STATSD_HOSTNAME{""};
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static const std::string DEFAULT_STATSD_NAMESPACE{""};
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// schedule periodic measurements, in seconds: default - 1 minute, min - 5 sec, max - 1h.
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static constexpr int DEFAULT_STATSD_PERIOD{60};
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static constexpr int MIN_STATSD_PERIOD{5};
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static constexpr int MAX_STATSD_PERIOD{60 * 60};
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namespace statsd {
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class StatsdClient {
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public:
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explicit StatsdClient(const std::string& host, const std::string& nodename, uint16_t port,
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const std::string& ns, bool enabled);
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public:
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bool inc(const std::string& key, float sample_rate = 1.f);
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bool dec(const std::string& key, float sample_rate = 1.f);
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bool count(const std::string& key, int64_t value, float sample_rate = 1.f);
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bool gauge(const std::string& key, int64_t value, float sample_rate = 1.f);
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bool gaugeDouble(const std::string& key, double value, float sample_rate = 1.f);
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bool timing(const std::string& key, int64_t ms, float sample_rate = 1.f);
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/* (Low Level Api) manually send a message
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* type = "c", "g" or "ms"
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*/
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bool send(std::string key, int64_t value, const std::string& type, float sample_rate);
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bool sendDouble(std::string key, double value, const std::string& type, float sample_rate);
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private:
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/**
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* (Low Level Api) manually send a message
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* which might be composed of several lines.
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*/
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bool send(const std::string& message);
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void cleanup(std::string& key);
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bool ShouldSend(float sample_rate);
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private:
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mutable Mutex cs;
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mutable FastRandomContext insecure_rand GUARDED_BY(cs);
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std::unique_ptr<Sock> m_sock{nullptr};
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std::pair<struct sockaddr_storage, socklen_t> m_server{{}, sizeof(struct sockaddr_storage)};
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const uint16_t m_port;
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const std::string m_host;
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const std::string m_nodename;
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const std::string m_ns;
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};
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} // namespace statsd
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extern std::unique_ptr<statsd::StatsdClient> g_stats_client;
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#endif // BITCOIN_STATSD_CLIENT_H
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