mirror of https://github.com/Icinga/icinga2.git
314 lines
8.2 KiB
C++
314 lines
8.2 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/host.hpp"
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#include "icinga/host.tcpp"
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#include "icinga/service.hpp"
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#include "icinga/hostgroup.hpp"
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#include "icinga/pluginutility.hpp"
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#include "icinga/scheduleddowntime.hpp"
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#include "base/objectlock.hpp"
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#include "base/convert.hpp"
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#include "base/utility.hpp"
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#include "base/debug.hpp"
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#include "base/json.hpp"
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#include <boost/foreach.hpp>
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using namespace icinga;
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REGISTER_TYPE(Host);
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void Host::OnAllConfigLoaded(void)
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{
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ObjectImpl<Host>::OnAllConfigLoaded();
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String zoneName = GetZoneName();
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if (!zoneName.IsEmpty()) {
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Zone::Ptr zone = Zone::GetByName(zoneName);
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if (zone && zone->IsGlobal())
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BOOST_THROW_EXCEPTION(std::invalid_argument("Host '" + GetName() + "' cannot be put into global zone '" + zone->GetName() + "'."));
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}
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HostGroup::EvaluateObjectRules(this);
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Array::Ptr groups = GetGroups();
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if (groups) {
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groups = groups->ShallowClone();
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ObjectLock olock(groups);
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BOOST_FOREACH(const String& name, groups) {
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HostGroup::Ptr hg = HostGroup::GetByName(name);
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if (hg)
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hg->ResolveGroupMembership(this, true);
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}
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}
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}
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void Host::CreateChildObjects(const Type::Ptr& childType)
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{
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if (childType->GetName() == "ScheduledDowntime")
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ScheduledDowntime::EvaluateApplyRules(this);
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if (childType->GetName() == "Notification")
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Notification::EvaluateApplyRules(this);
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if (childType->GetName() == "Dependency")
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Dependency::EvaluateApplyRules(this);
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if (childType->GetName() == "Service")
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Service::EvaluateApplyRules(this);
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}
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void Host::Stop(bool runtimeRemoved)
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{
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ObjectImpl<Host>::Stop(runtimeRemoved);
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Array::Ptr groups = GetGroups();
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if (groups) {
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ObjectLock olock(groups);
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BOOST_FOREACH(const String& name, groups) {
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HostGroup::Ptr hg = HostGroup::GetByName(name);
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if (hg)
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hg->ResolveGroupMembership(this, false);
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}
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}
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// TODO: unregister slave services/notifications?
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}
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std::vector<Service::Ptr> Host::GetServices(void) const
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{
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boost::mutex::scoped_lock lock(m_ServicesMutex);
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std::vector<Service::Ptr> services;
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services.reserve(m_Services.size());
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typedef std::pair<String, Service::Ptr> ServicePair;
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BOOST_FOREACH(const ServicePair& kv, m_Services) {
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services.push_back(kv.second);
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}
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return services;
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}
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void Host::AddService(const Service::Ptr& service)
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{
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boost::mutex::scoped_lock lock(m_ServicesMutex);
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m_Services[service->GetShortName()] = service;
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}
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void Host::RemoveService(const Service::Ptr& service)
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{
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boost::mutex::scoped_lock lock(m_ServicesMutex);
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m_Services.erase(service->GetShortName());
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}
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int Host::GetTotalServices(void) const
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{
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return GetServices().size();
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}
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Service::Ptr Host::GetServiceByShortName(const Value& name)
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{
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if (name.IsScalar()) {
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{
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boost::mutex::scoped_lock lock(m_ServicesMutex);
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std::map<String, Service::Ptr>::const_iterator it = m_Services.find(name);
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if (it != m_Services.end())
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return it->second;
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}
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return Service::Ptr();
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} else if (name.IsObjectType<Dictionary>()) {
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Dictionary::Ptr dict = name;
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String short_name;
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return Service::GetByNamePair(dict->Get("host"), dict->Get("service"));
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} else {
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BOOST_THROW_EXCEPTION(std::invalid_argument("Host/Service name pair is invalid: " + JsonEncode(name)));
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}
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}
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HostState Host::CalculateState(ServiceState state)
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{
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switch (state) {
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case ServiceOK:
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case ServiceWarning:
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return HostUp;
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default:
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return HostDown;
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}
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}
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HostState Host::GetState(void) const
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{
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return CalculateState(GetStateRaw());
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}
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HostState Host::GetLastState(void) const
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{
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return CalculateState(GetLastStateRaw());
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}
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HostState Host::GetLastHardState(void) const
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{
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return CalculateState(GetLastHardStateRaw());
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}
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bool Host::IsStateOK(ServiceState state)
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{
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return Host::CalculateState(state) == HostUp;
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}
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void Host::SaveLastState(ServiceState state, double timestamp)
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{
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if (state == ServiceOK || state == ServiceWarning)
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SetLastStateUp(timestamp);
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else if (state == ServiceCritical)
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SetLastStateDown(timestamp);
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}
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HostState Host::StateFromString(const String& state)
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{
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if (state == "UP")
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return HostUp;
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else
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return HostDown;
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}
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String Host::StateToString(HostState state)
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{
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switch (state) {
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case HostUp:
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return "UP";
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case HostDown:
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return "DOWN";
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default:
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return "INVALID";
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}
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}
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StateType Host::StateTypeFromString(const String& type)
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{
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if (type == "SOFT")
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return StateTypeSoft;
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else
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return StateTypeHard;
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}
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String Host::StateTypeToString(StateType type)
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{
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if (type == StateTypeSoft)
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return "SOFT";
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else
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return "HARD";
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}
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bool Host::ResolveMacro(const String& macro, const CheckResult::Ptr&, Value *result) const
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{
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if (macro == "state") {
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*result = StateToString(GetState());
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return true;
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} else if (macro == "state_id") {
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*result = Convert::ToString(GetState());
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return true;
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} else if (macro == "state_type") {
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*result = StateTypeToString(GetStateType());
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return true;
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} else if (macro == "last_state") {
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*result = StateToString(GetLastState());
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return true;
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} else if (macro == "last_state_id") {
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*result = Convert::ToString(GetLastState());
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return true;
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} else if (macro == "last_state_type") {
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*result = StateTypeToString(GetLastStateType());
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return true;
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} else if (macro == "last_state_change") {
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*result = Convert::ToString((long)GetLastStateChange());
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return true;
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} else if (macro == "downtime_depth") {
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*result = Convert::ToString((long)GetDowntimeDepth());
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return true;
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} else if (macro == "duration_sec") {
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*result = Convert::ToString((long)(Utility::GetTime() - GetLastStateChange()));
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return true;
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} else if (macro == "num_services" || macro == "num_services_ok" || macro == "num_services_warning"
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|| macro == "num_services_unknown" || macro == "num_services_critical") {
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int filter = -1;
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int count = 0;
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if (macro == "num_services_ok")
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filter = ServiceOK;
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else if (macro == "num_services_warning")
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filter = ServiceWarning;
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else if (macro == "num_services_unknown")
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filter = ServiceUnknown;
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else if (macro == "num_services_critical")
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filter = ServiceCritical;
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BOOST_FOREACH(const Service::Ptr& service, GetServices()) {
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if (filter != -1 && service->GetState() != filter)
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continue;
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count++;
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}
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*result = Convert::ToString(count);
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return true;
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}
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CheckResult::Ptr cr = GetLastCheckResult();
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if (cr) {
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if (macro == "latency") {
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*result = Convert::ToString(cr->CalculateLatency());
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return true;
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} else if (macro == "execution_time") {
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*result = Convert::ToString(cr->CalculateExecutionTime());
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return true;
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} else if (macro == "output") {
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*result = cr->GetOutput();
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return true;
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} else if (macro == "perfdata") {
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*result = PluginUtility::FormatPerfdata(cr->GetPerformanceData());
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return true;
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} else if (macro == "last_check") {
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*result = Convert::ToString((long)cr->GetScheduleStart());
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return true;
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} else if (macro == "check_source") {
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*result = cr->GetCheckSource();
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return true;
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}
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}
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return false;
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}
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