mirror of https://gitee.com/bigwinds/arangodb
95 lines
2.2 KiB
C++
95 lines
2.2 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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#include "Compactor.h"
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#include "Basics/ConditionLocker.h"
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#include "Agency/Agent.h"
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using namespace arangodb::consensus;
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// @brief Construct with agent
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Compactor::Compactor(Agent* agent) :
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Thread("Compactor"), _agent(agent), _wakeupCompactor(false), _waitInterval(1000000) {
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}
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/// Dtor shuts down thread
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Compactor::~Compactor() {
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if (!isStopping()) {
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shutdown();
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}
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}
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// @brief Run
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void Compactor::run() {
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LOG_TOPIC(DEBUG, Logger::AGENCY) << "Starting compactor personality";
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while (true) {
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{
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CONDITION_LOCKER(guard, _cv);
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if (!_wakeupCompactor) {
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_cv.wait(5000000); // just in case we miss a wakeup call!
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}
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_wakeupCompactor = false;
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}
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if (this->isStopping()) {
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break;
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}
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try {
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_agent->compact(); // Note that this checks nextCompactionAfter again!
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}
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catch (std::exception const& e) {
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LOG_TOPIC(ERR, Logger::AGENCY) << "Expection during compaction, details: "
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<< e.what();
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}
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}
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}
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// @brief Wake up compaction
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void Compactor::wakeUp() {
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CONDITION_LOCKER(guard, _cv);
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_wakeupCompactor = true;
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_cv.signal();
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}
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// @brief Begin shutdown
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void Compactor::beginShutdown() {
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LOG_TOPIC(DEBUG, Logger::AGENCY) << "Shutting down compactor personality";
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Thread::beginShutdown();
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wakeUp();
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}
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