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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
/**
* @class storage::StatusMetricConsumer
* @ingroup common
*
* @brief Writes metrics to status page.
*/
#pragma once
#include "storagecomponent.h"
#include <vespa/storageframework/generic/status/statusreporter.h>
#include <vespa/vespalib/util/jsonstream.h>
namespace vespalib { class StringTokenizer; }
namespace metrics { class MetricManager; }
namespace storage {
class StatusMetricConsumer : public framework::StatusReporter,
private vespalib::JsonStreamTypes
{
public:
StatusMetricConsumer(StorageComponentRegister&, metrics::MetricManager&, const std::string& name = "status");
~StatusMetricConsumer() override;
// Metric reporting requires the "vespa.content.metrics_api" capability
CapabilitySet required_capabilities() const noexcept override {
return CapabilitySet::of({ Capability::content_metrics_api() });
}
vespalib::string getReportContentType(const framework::HttpUrlPath&) const override;
bool reportStatus(std::ostream& out, const framework::HttpUrlPath&) const override;
private:
metrics::MetricManager& _manager;
StorageComponent _component;
std::string _name;
mutable std::mutex _lock;
};
} // storage
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