icinga2/lib/icinga/scheduleddowntime.cpp

165 lines
4.8 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#include "icinga/scheduleddowntime.h"
#include "icinga/legacytimeperiod.h"
#include "icinga/downtime.h"
#include "icinga/service.h"
#include "base/timer.h"
#include "base/dynamictype.h"
#include "base/initialize.h"
#include "base/utility.h"
#include "base/objectlock.h"
#include "base/convert.h"
#include "base/logger_fwd.h"
#include "base/exception.h"
#include <boost/foreach.hpp>
using namespace icinga;
REGISTER_TYPE(ScheduledDowntime);
INITIALIZE_ONCE(&ScheduledDowntime::StaticInitialize);
static Timer::Ptr l_Timer;
String ScheduledDowntimeNameComposer::MakeName(const String& shortName, const Dictionary::Ptr props) const
{
if (!props)
return "";
String name = props->Get("host_name");
if (props->Contains("service_name"))
name += "!" + props->Get("service_name");
name += "!" + shortName;
return name;
}
void ScheduledDowntime::StaticInitialize(void)
{
l_Timer = make_shared<Timer>();
l_Timer->SetInterval(60);
l_Timer->OnTimerExpired.connect(boost::bind(&ScheduledDowntime::TimerProc));
l_Timer->Start();
}
void ScheduledDowntime::Start(void)
{
DynamicObject::Start();
CreateNextDowntime();
}
void ScheduledDowntime::TimerProc(void)
{
BOOST_FOREACH(const ScheduledDowntime::Ptr& sd, DynamicType::GetObjects<ScheduledDowntime>()) {
sd->CreateNextDowntime();
}
}
Checkable::Ptr ScheduledDowntime::GetCheckable(void) const
{
Host::Ptr host = Host::GetByName(GetHostName());
if (GetServiceName().IsEmpty())
return host;
else
return host->GetServiceByShortName(GetServiceName());
}
std::pair<double, double> ScheduledDowntime::FindNextSegment(void)
{
time_t refts = Utility::GetTime();
tm reference = Utility::LocalTime(refts);
Log(LogDebug, "icinga", "Finding next scheduled downtime segment for time " + Convert::ToString(static_cast<long>(refts)));
Dictionary::Ptr ranges = GetRanges();
Array::Ptr segments = make_shared<Array>();
Dictionary::Ptr bestSegment;
double bestBegin;
double now = Utility::GetTime();
ObjectLock olock(ranges);
BOOST_FOREACH(const Dictionary::Pair& kv, ranges) {
Dictionary::Ptr segment = LegacyTimePeriod::FindNextSegment(kv.first, kv.second, &reference);
if (!segment)
continue;
double begin = segment->Get("begin");
if (begin < now)
continue;
if (!bestSegment || begin < bestBegin) {
bestSegment = segment;
bestBegin = begin;
}
}
if (bestSegment)
return std::make_pair(bestSegment->Get("begin"), bestSegment->Get("end"));
else
return std::make_pair(0, 0);
}
void ScheduledDowntime::CreateNextDowntime(void)
{
Dictionary::Ptr downtimes = GetCheckable()->GetDowntimes();
{
ObjectLock dlock(downtimes);
BOOST_FOREACH(const Dictionary::Pair& kv, downtimes) {
Downtime::Ptr downtime = kv.second;
if (downtime->GetScheduledBy() != GetName() ||
downtime->GetStartTime() < Utility::GetTime())
continue;
/* We've found a downtime that is owned by us and that hasn't started yet - we're done. */
return;
}
}
std::pair<double, double> segment = FindNextSegment();
if (segment.first == 0 && segment.second == 0) {
tm reference = Utility::LocalTime(Utility::GetTime());
reference.tm_mday++;
reference.tm_hour = 0;
reference.tm_min = 0;
reference.tm_sec = 0;
return;
}
String uid = GetCheckable()->AddDowntime(GetAuthor(), GetComment(),
segment.first, segment.second,
GetFixed(), String(), GetDuration(), GetName());
Downtime::Ptr downtime = Checkable::GetDowntimeByID(uid);
downtime->SetConfigOwner(GetName());
}