mirror of https://gitee.com/bigwinds/arangodb
100 lines
2.4 KiB
C++
100 lines
2.4 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 2004-2013 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 Dr. Frank Celler
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////////////////////////////////////////////////////////////////////////////////
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#include "LogThread.h"
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#include "Basics/ConditionLocker.h"
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#include "Logger/LogAppender.h"
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#include "Logger/Logger.h"
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using namespace arangodb;
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arangodb::basics::ConditionVariable* LogThread::CONDITION = nullptr;
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boost::lockfree::queue<LogMessage*>* LogThread::MESSAGES = nullptr;
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LogThread::LogThread(std::string const& name) : Thread(name), _messages(0) {
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MESSAGES = &_messages;
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CONDITION = &_condition;
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}
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LogThread::~LogThread() {
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Logger::_threaded = false;
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Logger::_active = false;
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beginShutdown();
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shutdown();
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}
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void LogThread::log(std::unique_ptr<LogMessage>& message) {
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if (MESSAGES->push(message.get())) {
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// only release message if adding to the queue succeeded
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// otherwise we would leak here
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message.release();
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}
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}
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void LogThread::flush() {
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int tries = 0;
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while (++tries < 500) {
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if (MESSAGES->empty()) {
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break;
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}
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CONDITION_LOCKER(guard, *CONDITION);
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guard.signal();
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}
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}
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void LogThread::wakeup() {
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CONDITION_LOCKER(guard, *CONDITION);
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guard.signal();
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}
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bool LogThread::hasMessages() { return (!MESSAGES->empty()); }
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void LogThread::run() {
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LogMessage* msg;
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while (!isStopping() && Logger::_active.load()) {
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while (_messages.pop(msg)) {
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try {
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LogAppender::log(msg);
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} catch (...) {
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}
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delete msg;
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}
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CONDITION_LOCKER(guard, *CONDITION);
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guard.wait(25 * 1000);
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}
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while (_messages.pop(msg)) {
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try {
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LogAppender::log(msg);
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} catch (...) {
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}
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delete msg;
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}
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}
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