mirror of https://gitee.com/bigwinds/arangodb
113 lines
4.0 KiB
C++
113 lines
4.0 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2016 ArangoDB GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler
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////////////////////////////////////////////////////////////////////////////////
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#ifndef APPLICATION_FEATURES_STATISTICS_FEATURE_H
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#define APPLICATION_FEATURES_STATISTICS_FEATURE_H 1
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#include <array>
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#include "ApplicationFeatures/ApplicationFeature.h"
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#include "Basics/Mutex.h"
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#include "Basics/Thread.h"
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#include "Rest/CommonDefines.h"
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#include "Statistics/figures.h"
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namespace arangodb {
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namespace basics {
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extern Mutex TRI_RequestsStatisticsMutex;
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extern std::vector<double> const TRI_BytesReceivedDistributionVectorStatistics;
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extern std::vector<double> const TRI_BytesSentDistributionVectorStatistics;
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extern std::vector<double> const TRI_ConnectionTimeDistributionVectorStatistics;
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extern std::vector<double> const TRI_RequestTimeDistributionVectorStatistics;
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extern StatisticsCounter TRI_AsyncRequestsStatistics;
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extern StatisticsCounter TRI_HttpConnectionsStatistics;
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extern StatisticsCounter TRI_TotalRequestsStatistics;
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constexpr size_t MethodRequestsStatisticsSize =
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((size_t)arangodb::rest::RequestType::ILLEGAL) + 1;
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extern std::array<StatisticsCounter, MethodRequestsStatisticsSize> TRI_MethodRequestsStatistics;
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extern StatisticsDistribution TRI_BytesReceivedDistributionStatistics;
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extern StatisticsDistribution TRI_BytesSentDistributionStatistics;
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extern StatisticsDistribution TRI_ConnectionTimeDistributionStatistics;
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extern StatisticsDistribution TRI_IoTimeDistributionStatistics;
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extern StatisticsDistribution TRI_QueueTimeDistributionStatistics;
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extern StatisticsDistribution TRI_RequestTimeDistributionStatistics;
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extern StatisticsDistribution TRI_TotalTimeDistributionStatistics;
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extern StatisticsDistribution TRI_BytesReceivedDistributionStatisticsUser;
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extern StatisticsDistribution TRI_BytesSentDistributionStatisticsUser;
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extern StatisticsDistribution TRI_IoTimeDistributionStatisticsUser;
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extern StatisticsDistribution TRI_QueueTimeDistributionStatisticsUser;
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extern StatisticsDistribution TRI_RequestTimeDistributionStatisticsUser;
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extern StatisticsDistribution TRI_TotalTimeDistributionStatisticsUser;
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} // namespace basics
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namespace stats {
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class Descriptions;
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}
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class StatisticsThread;
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class StatisticsWorker;
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class StatisticsFeature final : public application_features::ApplicationFeature {
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public:
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static bool enabled() {
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return STATISTICS != nullptr && STATISTICS->_statistics;
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}
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static double time() { return TRI_microtime(); }
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private:
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static StatisticsFeature* STATISTICS;
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public:
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explicit StatisticsFeature(application_features::ApplicationServer& server);
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void collectOptions(std::shared_ptr<options::ProgramOptions>) override final;
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void validateOptions(std::shared_ptr<options::ProgramOptions>) override final;
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void prepare() override final;
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void start() override final;
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void stop() override final;
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static stats::Descriptions const* descriptions() {
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if (STATISTICS != nullptr) {
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return STATISTICS->_descriptions.get();
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}
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return nullptr;
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}
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private:
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bool _statistics;
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bool _statisticsHistory;
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bool _statisticsHistoryTouched;
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std::unique_ptr<stats::Descriptions> _descriptions;
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std::unique_ptr<StatisticsThread> _statisticsThread;
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std::unique_ptr<StatisticsWorker> _statisticsWorker;
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};
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} // namespace arangodb
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#endif
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