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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/metrics/metricset.h>
#include <vespa/metrics/countmetric.h>
#include <vespa/metrics/valuemetric.h>
#include <vespa/metrics/summetric.h>
#include <mutex>
namespace storage::api { class ReturnCode; }
namespace storage::distributor {
class PersistenceFailuresMetricSet : public metrics::MetricSet
{
public:
explicit PersistenceFailuresMetricSet(metrics::MetricSet* owner);
~PersistenceFailuresMetricSet() override;
metrics::SumMetric<metrics::LongCountMetric> sum;
metrics::LongCountMetric notready;
metrics::LongCountMetric notconnected;
metrics::LongCountMetric wrongdistributor;
metrics::LongCountMetric safe_time_not_reached;
metrics::LongCountMetric storagefailure;
metrics::LongCountMetric timeout;
metrics::LongCountMetric busy;
metrics::LongCountMetric inconsistent_bucket;
metrics::LongCountMetric notfound;
metrics::LongCountMetric concurrent_mutations;
metrics::LongCountMetric test_and_set_failed;
MetricSet * clone(std::vector<Metric::UP>& ownerList, CopyType copyType,
metrics::MetricSet* owner, bool includeUnused) const override;
};
class PersistenceOperationMetricSet : public metrics::MetricSet
{
mutable std::mutex _mutex;
public:
metrics::DoubleAverageMetric latency;
metrics::LongCountMetric ok;
PersistenceFailuresMetricSet failures;
PersistenceOperationMetricSet(const std::string& name, metrics::MetricSet* owner);
explicit PersistenceOperationMetricSet(const std::string& name);
~PersistenceOperationMetricSet() override;
MetricSet * clone(std::vector<Metric::UP>& ownerList, CopyType copyType,
metrics::MetricSet* owner, bool includeUnused) const override;
/**
* Increments appropriate success/failure count metrics based on the return
* code provided in `result`.
*
* Does _not_ update latency metric.
*/
void updateFromResult(const api::ReturnCode& result);
class LockWrapper {
std::unique_lock<std::mutex> _lock;
PersistenceOperationMetricSet& _self;
public:
explicit LockWrapper(PersistenceOperationMetricSet& self)
: _lock(self._mutex),
_self(self)
{}
PersistenceOperationMetricSet* operator->() noexcept {
return &_self;
}
};
LockWrapper locked() noexcept {
return LockWrapper(*this);
}
};
}
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