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#pragma once
#include <condition_variable>
#include <mutex>
#include <string>
#include <thread>
#include <vector>
#include <optional>
#include <Core/Types.h>
#include <Common/ThreadPool.h>
#include <Common/ProfileEvents.h>
namespace Poco
{
namespace Util
{
class AbstractConfiguration;
}
}
namespace DB
{
class AsynchronousMetrics;
/** Automatically sends
* - delta values of ProfileEvents;
* - cumulative values of ProfileEvents;
* - values of CurrentMetrics;
* - values of AsynchronousMetrics;
* to Graphite at beginning of every minute.
*/
class MetricsTransmitter
{
public:
MetricsTransmitter(const Poco::Util::AbstractConfiguration & config, const std::string & config_name_, const AsynchronousMetrics & async_metrics_);
~MetricsTransmitter();
private:
void run();
void transmit(std::vector<ProfileEvents::Count> & prev_counters);
const AsynchronousMetrics & async_metrics;
std::string config_name;
UInt32 interval_seconds;
bool send_events;
bool send_events_cumulative;
bool send_metrics;
bool send_asynchronous_metrics;
bool quit = false;
std::mutex mutex;
std::condition_variable cond;
std::optional<ThreadFromGlobalPool> thread;
static inline constexpr auto profile_events_path_prefix = "ClickHouse.ProfileEvents.";
static inline constexpr auto profile_events_cumulative_path_prefix = "ClickHouse.ProfileEventsCumulative.";
static inline constexpr auto current_metrics_path_prefix = "ClickHouse.Metrics.";
static inline constexpr auto asynchronous_metrics_path_prefix = "ClickHouse.AsynchronousMetrics.";
};
}
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