icinga2/lib/remote/authority.cpp

92 lines
3.1 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2016 Icinga Development Team (https://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 "remote/zone.hpp"
#include "remote/apilistener.hpp"
#include "base/configtype.hpp"
#include "base/utility.hpp"
#include "base/initialize.hpp"
#include "base/timer.hpp"
#include <boost/foreach.hpp>
using namespace icinga;
static Timer::Ptr l_AuthorityTimer;
static bool ObjectNameLessComparer(const ConfigObject::Ptr& a, const ConfigObject::Ptr& b)
{
return a->GetName() < b->GetName();
}
void ApiListener::UpdateObjectAuthority(void)
{
Zone::Ptr my_zone = Zone::GetLocalZone();
std::vector<Endpoint::Ptr> endpoints;
Endpoint::Ptr my_endpoint;
if (my_zone) {
my_endpoint = Endpoint::GetLocalEndpoint();
int num_total = 0;
BOOST_FOREACH(const Endpoint::Ptr& endpoint, my_zone->GetEndpoints()) {
num_total++;
if (endpoint != my_endpoint && !endpoint->GetConnected())
continue;
endpoints.push_back(endpoint);
}
double mainTime = Application::GetMainTime();
if (num_total > 1 && endpoints.size() <= 1 && (mainTime == 0 || Utility::GetTime() - mainTime < 60))
return;
std::sort(endpoints.begin(), endpoints.end(), ObjectNameLessComparer);
}
BOOST_FOREACH(const ConfigType::Ptr& type, ConfigType::GetTypes()) {
BOOST_FOREACH(const ConfigObject::Ptr& object, type->GetObjects()) {
if (object->GetHAMode() != HARunOnce)
continue;
bool authority;
if (!my_zone)
authority = true;
else
authority = endpoints[Utility::SDBM(object->GetName()) % endpoints.size()] == my_endpoint;
object->SetAuthority(authority);
}
}
}
static void StaticInitialize(void)
{
l_AuthorityTimer = new Timer();
l_AuthorityTimer->OnTimerExpired.connect(boost::bind(&ApiListener::UpdateObjectAuthority));
l_AuthorityTimer->SetInterval(30);
l_AuthorityTimer->Start();
}
INITIALIZE_ONCE(StaticInitialize);