mirror of https://gitee.com/bigwinds/arangodb
95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief tasks used to handle periodic events
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2004-2012 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 triAGENS GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler
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/// @author Achim Brandt
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/// @author Copyright 2008-2012, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#include "PeriodicTask.h"
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#include "Scheduler/Scheduler.h"
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using namespace triagens::rest;
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// -----------------------------------------------------------------------------
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// constructors and destructors
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// -----------------------------------------------------------------------------
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PeriodicTask::PeriodicTask (double offset, double intervall)
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: Task("PeriodicTask"),
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watcher(0),
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offset(offset),
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intervall(intervall) {
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}
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PeriodicTask::~PeriodicTask () {
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if (watcher != 0) {
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scheduler->uninstallEvent(watcher);
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}
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}
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// -----------------------------------------------------------------------------
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// Task methods
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// -----------------------------------------------------------------------------
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void PeriodicTask::resetTimer (double offset, double intervall) {
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scheduler->rearmPeriodic(watcher, offset, intervall);
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}
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// -----------------------------------------------------------------------------
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// Task methods
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// -----------------------------------------------------------------------------
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bool PeriodicTask::setup (Scheduler* scheduler, EventLoop loop) {
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this->scheduler = scheduler;
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this->loop = loop;
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watcher = scheduler->installPeriodicEvent(loop, this, offset, intervall);
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if (watcher == -1) {
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return false;
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}
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return true;
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}
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void PeriodicTask::cleanup () {
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scheduler->uninstallEvent(watcher);
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watcher = 0;
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}
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bool PeriodicTask::handleEvent (EventToken token, EventType revents) {
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bool result = true;
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if (token == watcher && (revents & EVENT_PERIODIC)) {
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result = handlePeriod();
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}
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return result;
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}
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