mirror of https://gitee.com/bigwinds/arangodb
124 lines
3.8 KiB
C++
124 lines
3.8 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS 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 Kaveh Vahedipour
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGOD_AGENCY_APPLICATION_AGENCY_H
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#define ARANGOD_AGENCY_APPLICATION_AGENCY_H 1
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#include "Basics/Common.h"
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#include "ApplicationServer/ApplicationFeature.h"
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#include "Agency/Agent.h"
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namespace arangodb {
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namespace rest {
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class Task;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief application server with agency
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////////////////////////////////////////////////////////////////////////////////
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using agent_t = consensus::Agent;
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class ApplicationAgency : virtual public arangodb::rest::ApplicationFeature {
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private:
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ApplicationAgency(ApplicationAgency const&);
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ApplicationAgency& operator=(ApplicationAgency const&);
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public:
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ApplicationAgency();
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~ApplicationAgency();
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public:
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//////////////////////////////////////////////////////////////////////////////
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/// @brief builds the dispatcher queue
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//////////////////////////////////////////////////////////////////////////////
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void buildStandardQueue(size_t nrThreads, size_t maxSize);
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//////////////////////////////////////////////////////////////////////////////
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/// @brief builds the additional AQL dispatcher queue
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//////////////////////////////////////////////////////////////////////////////
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void buildAQLQueue(size_t nrThreads, size_t maxSize);
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//////////////////////////////////////////////////////////////////////////////
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/// @brief builds an additional dispatcher queue
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//////////////////////////////////////////////////////////////////////////////
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void buildExtraQueue(size_t name, size_t nrThreads, size_t maxSize);
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//////////////////////////////////////////////////////////////////////////////
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/// @brief returns the number of used threads
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//////////////////////////////////////////////////////////////////////////////
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size_t size();
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//////////////////////////////////////////////////////////////////////////////
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/// @brief sets the processor affinity
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//////////////////////////////////////////////////////////////////////////////
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void setProcessorAffinity(std::vector<size_t> const& cores);
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void stop () override;
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public:
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void setupOptions(std::map<std::string,
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arangodb::basics::ProgramOptionsDescription>&) override final;
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bool prepare() override final;
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bool start() override final;
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bool open() override final;
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void close() override final;
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agent_t* agent() const;
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private:
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uint64_t _size; /**< @brief: agency size (default: 5)*/
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double _min_election_timeout; /**< @brief: min election timeout */
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double _max_election_timeout; /**< @brief: max election timeout */
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double _election_call_rate_mul; /**< @brief: */
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bool _notify;
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/**< @brief interval between retry to slaves*/
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std::vector<std::string> _agency_endpoints; /**< @brief agency adresses */
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std::unique_ptr<agent_t> _agent;
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uint32_t _agent_id;
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};
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}
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}
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#endif
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