mirror of https://github.com/Icinga/icinga2.git
316 lines
8.5 KiB
C++
316 lines
8.5 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2013 Icinga Development Team (http://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "icinga/service.h"
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#include "base/dynamictype.h"
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#include "base/objectlock.h"
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#include "base/logger_fwd.h"
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#include "base/timer.h"
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#include "base/utility.h"
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#include "base/convert.h"
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#include <boost/tuple/tuple.hpp>
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#include <boost/foreach.hpp>
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using namespace icinga;
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static int l_NextDowntimeID = 1;
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static boost::mutex l_DowntimeMutex;
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static std::map<int, String> l_LegacyDowntimesCache;
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static std::map<String, Service::WeakPtr> l_DowntimesCache;
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static Timer::Ptr l_DowntimesExpireTimer;
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boost::signals2::signal<void (const Service::Ptr&, const Downtime::Ptr&, const String&)> Service::OnDowntimeAdded;
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boost::signals2::signal<void (const Service::Ptr&, const Downtime::Ptr&, const String&)> Service::OnDowntimeRemoved;
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boost::signals2::signal<void (const Service::Ptr&, const Downtime::Ptr&)> Service::OnDowntimeTriggered;
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int Service::GetNextDowntimeID(void)
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{
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boost::mutex::scoped_lock lock(l_DowntimeMutex);
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return l_NextDowntimeID;
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}
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String Service::AddDowntime(const String& author, const String& comment,
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double startTime, double endTime, bool fixed,
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const String& triggeredBy, double duration, const String& id, const String& authority)
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{
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String uid;
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if (id.IsEmpty())
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uid = Utility::NewUniqueID();
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else
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uid = id;
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Downtime::Ptr downtime = make_shared<Downtime>();
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downtime->SetId(uid);
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downtime->SetEntryTime(Utility::GetTime());
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downtime->SetAuthor(author);
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downtime->SetComment(comment);
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downtime->SetStartTime(startTime);
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downtime->SetEndTime(endTime);
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downtime->SetFixed(fixed);
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downtime->SetDuration(duration);
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downtime->SetTriggeredBy(triggeredBy);
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int legacy_id;
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{
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boost::mutex::scoped_lock lock(l_DowntimeMutex);
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legacy_id = l_NextDowntimeID++;
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}
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downtime->SetLegacyId(legacy_id);
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if (!triggeredBy.IsEmpty()) {
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Service::Ptr otherOwner = GetOwnerByDowntimeID(triggeredBy);
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Dictionary::Ptr otherDowntimes = otherOwner->GetDowntimes();
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Downtime::Ptr otherDowntime = otherDowntimes->Get(triggeredBy);
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Dictionary::Ptr triggers = otherDowntime->GetTriggers();
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{
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ObjectLock olock(otherOwner);
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triggers->Set(triggeredBy, triggeredBy);
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}
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}
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GetDowntimes()->Set(uid, downtime);
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{
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boost::mutex::scoped_lock lock(l_DowntimeMutex);
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l_LegacyDowntimesCache[legacy_id] = uid;
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l_DowntimesCache[uid] = GetSelf();
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}
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Log(LogWarning, "icinga", "added downtime with ID '" + Convert::ToString(downtime->GetLegacyId()) + "'.");
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OnDowntimeAdded(GetSelf(), downtime, authority);
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return uid;
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}
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void Service::RemoveDowntime(const String& id, bool cancelled, const String& authority)
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{
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Service::Ptr owner = GetOwnerByDowntimeID(id);
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if (!owner)
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return;
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Dictionary::Ptr downtimes = owner->GetDowntimes();
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Downtime::Ptr downtime = downtimes->Get(id);
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if (!downtime)
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return;
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int legacy_id = downtime->GetLegacyId();
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downtimes->Remove(id);
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{
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boost::mutex::scoped_lock lock(l_DowntimeMutex);
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l_LegacyDowntimesCache.erase(legacy_id);
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l_DowntimesCache.erase(id);
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}
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downtime->SetWasCancelled(cancelled);
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Log(LogWarning, "icinga", "removed downtime with ID '" + Convert::ToString(downtime->GetLegacyId()) + "' from service '" + owner->GetName() + "'.");
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OnDowntimeRemoved(owner, downtime, authority);
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}
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void Service::TriggerDowntimes(void)
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{
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Dictionary::Ptr downtimes = GetDowntimes();
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std::vector<String> ids;
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{
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ObjectLock olock(downtimes);
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String id;
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BOOST_FOREACH(boost::tie(id, boost::tuples::ignore), downtimes) {
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ids.push_back(id);
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}
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}
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BOOST_FOREACH(const String& id, ids) {
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TriggerDowntime(id);
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}
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}
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void Service::TriggerDowntime(const String& id)
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{
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Service::Ptr owner = GetOwnerByDowntimeID(id);
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Downtime::Ptr downtime = GetDowntimeByID(id);
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if (!downtime)
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return;
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if (downtime->IsActive() && downtime->IsTriggered()) {
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Log(LogDebug, "icinga", "Not triggering downtime with ID '" + Convert::ToString(downtime->GetLegacyId()) + "': already triggered.");
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return;
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}
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if (downtime->IsExpired()) {
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Log(LogDebug, "icinga", "Not triggering downtime with ID '" + Convert::ToString(downtime->GetLegacyId()) + "': expired.");
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return;
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}
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Log(LogDebug, "icinga", "Triggering downtime with ID '" + Convert::ToString(downtime->GetLegacyId()) + "'.");
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if (downtime->GetTriggerTime() == 0)
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downtime->SetTriggerTime(Utility::GetTime());
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Dictionary::Ptr triggers = downtime->GetTriggers();
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ObjectLock olock(triggers);
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String tid;
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BOOST_FOREACH(boost::tie(tid, boost::tuples::ignore), triggers) {
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TriggerDowntime(tid);
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}
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OnDowntimeTriggered(owner, downtime);
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}
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String Service::GetDowntimeIDFromLegacyID(int id)
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{
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boost::mutex::scoped_lock lock(l_DowntimeMutex);
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std::map<int, String>::iterator it = l_LegacyDowntimesCache.find(id);
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if (it == l_LegacyDowntimesCache.end())
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return Empty;
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return it->second;
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}
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Service::Ptr Service::GetOwnerByDowntimeID(const String& id)
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{
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boost::mutex::scoped_lock lock(l_DowntimeMutex);
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return l_DowntimesCache[id].lock();
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}
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Downtime::Ptr Service::GetDowntimeByID(const String& id)
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{
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Service::Ptr owner = GetOwnerByDowntimeID(id);
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if (!owner)
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return Downtime::Ptr();
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Dictionary::Ptr downtimes = owner->GetDowntimes();
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if (downtimes)
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return downtimes->Get(id);
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return Downtime::Ptr();
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}
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void Service::StartDowntimesExpiredTimer(void)
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{
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if (!l_DowntimesExpireTimer) {
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l_DowntimesExpireTimer = make_shared<Timer>();
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l_DowntimesExpireTimer->SetInterval(60);
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l_DowntimesExpireTimer->OnTimerExpired.connect(boost::bind(&Service::DowntimesExpireTimerHandler));
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l_DowntimesExpireTimer->Start();
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}
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}
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void Service::AddDowntimesToCache(void)
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{
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Log(LogDebug, "icinga", "Updating Service downtimes cache.");
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Dictionary::Ptr downtimes = GetDowntimes();
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boost::mutex::scoped_lock lock(l_DowntimeMutex);
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ObjectLock olock(downtimes);
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String id;
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Downtime::Ptr downtime;
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BOOST_FOREACH(boost::tie(id, downtime), downtimes) {
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int legacy_id = downtime->GetLegacyId();
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if (legacy_id >= l_NextDowntimeID)
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l_NextDowntimeID = legacy_id + 1;
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l_LegacyDowntimesCache[legacy_id] = id;
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l_DowntimesCache[id] = GetSelf();
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}
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}
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void Service::RemoveExpiredDowntimes(void)
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{
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Dictionary::Ptr downtimes = GetDowntimes();
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std::vector<String> expiredDowntimes;
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{
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ObjectLock olock(downtimes);
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String id;
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Downtime::Ptr downtime;
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BOOST_FOREACH(boost::tie(id, downtime), downtimes) {
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if (downtime->IsExpired())
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expiredDowntimes.push_back(id);
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}
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}
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BOOST_FOREACH(const String& id, expiredDowntimes) {
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RemoveDowntime(id, false);
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}
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}
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void Service::DowntimesExpireTimerHandler(void)
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{
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BOOST_FOREACH(const Service::Ptr& service, DynamicType::GetObjects<Service>()) {
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service->RemoveExpiredDowntimes();
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}
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}
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bool Service::IsInDowntime(void) const
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{
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Dictionary::Ptr downtimes = GetDowntimes();
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ObjectLock olock(downtimes);
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Downtime::Ptr downtime;
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BOOST_FOREACH(boost::tie(boost::tuples::ignore, downtime), downtimes) {
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if (downtime->IsActive())
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return true;
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}
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return false;
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}
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int Service::GetDowntimeDepth(void) const
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{
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int downtime_depth = 0;
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Dictionary::Ptr downtimes = GetDowntimes();
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ObjectLock olock(downtimes);
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Downtime::Ptr downtime;
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BOOST_FOREACH(boost::tie(boost::tuples::ignore, downtime), downtimes) {
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if (downtime->IsActive())
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downtime_depth++;
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}
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return downtime_depth;
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}
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