mirror of https://github.com/Icinga/icinga2.git
137 lines
4.2 KiB
C++
137 lines
4.2 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2014 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 "icinga/dependency.h"
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#include "config/configitembuilder.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/foreach.hpp>
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using namespace icinga;
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void Checkable::AddDependency(const Dependency::Ptr& dep)
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{
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boost::mutex::scoped_lock lock(m_DependencyMutex);
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m_Dependencies.insert(dep);
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}
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void Checkable::RemoveDependency(const Dependency::Ptr& dep)
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{
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boost::mutex::scoped_lock lock(m_DependencyMutex);
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m_Dependencies.erase(dep);
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}
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std::set<Dependency::Ptr> Checkable::GetDependencies(void) const
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{
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boost::mutex::scoped_lock lock(m_DependencyMutex);
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return m_Dependencies;
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}
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void Checkable::AddReverseDependency(const Dependency::Ptr& dep)
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{
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boost::mutex::scoped_lock lock(m_DependencyMutex);
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m_ReverseDependencies.insert(dep);
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}
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void Checkable::RemoveReverseDependency(const Dependency::Ptr& dep)
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{
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boost::mutex::scoped_lock lock(m_DependencyMutex);
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m_ReverseDependencies.erase(dep);
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}
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std::set<Dependency::Ptr> Checkable::GetReverseDependencies(void) const
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{
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boost::mutex::scoped_lock lock(m_DependencyMutex);
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return m_ReverseDependencies;
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}
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bool Checkable::IsReachable(DependencyType dt, Dependency::Ptr *failedDependency, int rstack) const
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{
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if (rstack > 20) {
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Log(LogWarning, "icinga", "Too many nested dependencies for service '" + GetName() + "': Dependency failed.");
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return false;
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}
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BOOST_FOREACH(const Checkable::Ptr& service, GetParents()) {
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if (!service->IsReachable(dt, failedDependency, rstack + 1))
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return false;
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}
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/* implicit dependency on host if this is a service */
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const Service *service = dynamic_cast<const Service *>(this);
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if (service && (dt == DependencyState || dt == DependencyNotification)) {
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Host::Ptr host = service->GetHost();
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if (host && host->GetState() != HostUp && host->GetStateType() == StateTypeHard) {
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if (failedDependency)
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*failedDependency = Dependency::Ptr();
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return false;
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}
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}
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BOOST_FOREACH(const Dependency::Ptr& dep, GetDependencies()) {
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if (!dep->IsAvailable(dt)) {
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if (failedDependency)
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*failedDependency = dep;
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return false;
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}
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}
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if (failedDependency)
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*failedDependency = Dependency::Ptr();
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return true;
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}
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std::set<Checkable::Ptr> Checkable::GetParents(void) const
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{
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std::set<Checkable::Ptr> parents;
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BOOST_FOREACH(const Dependency::Ptr& dep, GetDependencies()) {
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Checkable::Ptr parent = dep->GetParent();
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if (parent)
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parents.insert(parent);
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}
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return parents;
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}
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std::set<Checkable::Ptr> Checkable::GetChildren(void) const
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{
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std::set<Checkable::Ptr> parents;
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BOOST_FOREACH(const Dependency::Ptr& dep, GetReverseDependencies()) {
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Checkable::Ptr service = dep->GetChild();
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if (service)
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parents.insert(service);
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}
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return parents;
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}
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