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			132 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/******************************************************************************
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 * Icinga 2                                                                   *
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 * Copyright (C) 2012-2016 Icinga Development Team (https://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.hpp"
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#include "icinga/dependency.hpp"
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#include "base/logger.hpp"
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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, "Checkable")
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		    << "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& checkable, GetParents()) {
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		if (!checkable->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 && parent.get() != this)
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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 && service.get() != this)
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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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