mirror of
https://github.com/ClickHouse/ClickHouse.git
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58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
#pragma once
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#include <condition_variable>
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#include <mutex>
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#include <string>
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#include <thread>
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#include <vector>
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#include <Common/ProfileEvents.h>
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#include <Common/ThreadPool.h>
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namespace DB
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{
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class AsynchronousMetrics;
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class Context;
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/** Automatically sends
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* - difference of ProfileEvents;
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* - values of CurrentMetrics;
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* - values of AsynchronousMetrics;
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* to Graphite at beginning of every minute.
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*/
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class MetricsTransmitter
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{
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public:
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MetricsTransmitter(Context & context_,
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const AsynchronousMetrics & async_metrics_,
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const std::string & config_name_)
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: context(context_)
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, async_metrics(async_metrics_)
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, config_name(config_name_)
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{
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}
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~MetricsTransmitter();
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private:
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void run();
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void transmit(std::vector<ProfileEvents::Count> & prev_counters);
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Context & context;
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const AsynchronousMetrics & async_metrics;
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const std::string config_name;
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bool quit = false;
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std::mutex mutex;
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std::condition_variable cond;
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ThreadFromGlobalPool thread{&MetricsTransmitter::run, this};
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static constexpr auto profile_events_path_prefix = "ClickHouse.ProfileEvents.";
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static constexpr auto current_metrics_path_prefix = "ClickHouse.Metrics.";
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static constexpr auto asynchronous_metrics_path_prefix = "ClickHouse.AsynchronousMetrics.";
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};
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}
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