mirror of
https://github.com/Icinga/icinga2.git
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463 lines
14 KiB
C++
463 lines
14 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/notification.h"
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#include "icinga/notificationcommand.h"
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#include "icinga/macroprocessor.h"
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#include "icinga/service.h"
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#include "config/configcompilercontext.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/utility.h"
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#include "base/convert.h"
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#include "base/exception.h"
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#include "base/initialize.h"
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#include "base/scriptvariable.h"
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#include "base/scriptfunction.h"
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#include <boost/foreach.hpp>
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using namespace icinga;
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REGISTER_TYPE(Notification);
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REGISTER_SCRIPTFUNCTION(ValidateNotificationFilters, &Notification::ValidateFilters);
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INITIALIZE_ONCE(&Notification::StaticInitialize);
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boost::signals2::signal<void (const Notification::Ptr&, double, const String&)> Notification::OnNextNotificationChanged;
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String NotificationNameComposer::MakeName(const String& shortName, const Dictionary::Ptr props) const
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{
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if (!props)
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return "";
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String name = props->Get("host_name");
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if (props->Contains("service_name"))
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name += "!" + props->Get("service_name");
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name += "!" + shortName;
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return name;
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}
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void Notification::StaticInitialize(void)
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{
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ScriptVariable::Set("OK", StateFilterOK, true, true);
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ScriptVariable::Set("Warning", StateFilterWarning, true, true);
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ScriptVariable::Set("Critical", StateFilterCritical, true, true);
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ScriptVariable::Set("Unknown", StateFilterUnknown, true, true);
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ScriptVariable::Set("Up", StateFilterUp, true, true);
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ScriptVariable::Set("Down", StateFilterDown, true, true);
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ScriptVariable::Set("DowntimeStart", 1 << NotificationDowntimeStart, true, true);
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ScriptVariable::Set("DowntimeEnd", 1 << NotificationDowntimeEnd, true, true);
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ScriptVariable::Set("DowntimeRemoved", 1 << NotificationDowntimeRemoved, true, true);
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ScriptVariable::Set("Custom", 1 << NotificationCustom, true, true);
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ScriptVariable::Set("Acknowledgement", 1 << NotificationAcknowledgement, true, true);
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ScriptVariable::Set("Problem", 1 << NotificationProblem, true, true);
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ScriptVariable::Set("Recovery", 1 << NotificationRecovery, true, true);
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ScriptVariable::Set("FlappingStart", 1 << NotificationFlappingStart, true, true);
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ScriptVariable::Set("FlappingEnd", 1 << NotificationFlappingEnd, true, true);
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}
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void Notification::OnConfigLoaded(void)
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{
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SetTypeFilter(FilterArrayToInt(GetTypes(), ~0));
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SetStateFilter(FilterArrayToInt(GetStates(), ~0));
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Checkable::Ptr obj = GetCheckable();
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if (obj)
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obj->AddNotification(GetSelf());
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}
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void Notification::Start(void)
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{
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DynamicObject::Start();
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Checkable::Ptr obj = GetCheckable();
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if (obj)
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obj->AddNotification(GetSelf());
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}
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void Notification::Stop(void)
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{
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DynamicObject::Stop();
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Checkable::Ptr obj = GetCheckable();
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if (obj)
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obj->RemoveNotification(GetSelf());
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}
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Checkable::Ptr Notification::GetCheckable(void) const
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{
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Host::Ptr host = Host::GetByName(GetHostName());
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if (GetServiceName().IsEmpty())
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return host;
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else
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return host->GetServiceByShortName(GetServiceName());
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}
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NotificationCommand::Ptr Notification::GetCommand(void) const
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{
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return NotificationCommand::GetByName(GetCommandRaw());
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}
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std::set<User::Ptr> Notification::GetUsers(void) const
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{
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std::set<User::Ptr> result;
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Array::Ptr users = GetUsersRaw();
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if (users) {
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ObjectLock olock(users);
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BOOST_FOREACH(const String& name, users) {
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User::Ptr user = User::GetByName(name);
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if (!user)
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continue;
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result.insert(user);
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}
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}
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return result;
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}
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std::set<UserGroup::Ptr> Notification::GetUserGroups(void) const
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{
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std::set<UserGroup::Ptr> result;
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Array::Ptr groups = GetUserGroupsRaw();
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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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UserGroup::Ptr ug = UserGroup::GetByName(name);
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if (!ug)
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continue;
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result.insert(ug);
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}
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}
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return result;
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}
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TimePeriod::Ptr Notification::GetPeriod(void) const
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{
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return TimePeriod::GetByName(GetPeriodRaw());
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}
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double Notification::GetNextNotification(void) const
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{
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return GetNextNotificationRaw();
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}
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/**
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* Sets the timestamp when the next periodical notification should be sent.
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* This does not affect notifications that are sent for state changes.
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*/
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void Notification::SetNextNotification(double time, const String& authority)
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{
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SetNextNotificationRaw(time);
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OnNextNotificationChanged(GetSelf(), time, authority);
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}
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void Notification::UpdateNotificationNumber(void)
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{
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SetNotificationNumber(GetNotificationNumber() + 1);
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}
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void Notification::ResetNotificationNumber(void)
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{
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SetNotificationNumber(0);
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}
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String Notification::NotificationTypeToString(NotificationType type)
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{
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switch (type) {
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case NotificationDowntimeStart:
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return "DOWNTIMESTART";
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case NotificationDowntimeEnd:
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return "DOWNTIMEEND";
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case NotificationDowntimeRemoved:
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return "DOWNTIMECANCELLED";
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case NotificationCustom:
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return "CUSTOM";
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case NotificationAcknowledgement:
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return "ACKNOWLEDGEMENT";
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case NotificationProblem:
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return "PROBLEM";
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case NotificationRecovery:
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return "RECOVERY";
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case NotificationFlappingStart:
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return "FLAPPINGSTART";
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case NotificationFlappingEnd:
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return "FLAPPINGEND";
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default:
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return "UNKNOWN_NOTIFICATION";
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}
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}
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void Notification::BeginExecuteNotification(NotificationType type, const CheckResult::Ptr& cr, bool force, const String& author, const String& text)
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{
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ASSERT(!OwnsLock());
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Checkable::Ptr checkable = GetCheckable();
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if (!force) {
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TimePeriod::Ptr tp = GetPeriod();
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if (tp && !tp->IsInside(Utility::GetTime())) {
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Log(LogInformation, "icinga", "Not sending notifications for notification object '" + GetName() + "': not in timeperiod");
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return;
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}
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double now = Utility::GetTime();
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Dictionary::Ptr times = GetTimes();
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if (type == NotificationProblem) {
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if (times && times->Contains("begin") && now < checkable->GetLastHardStateChange() + times->Get("begin")) {
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Log(LogInformation, "icinga", "Not sending notifications for notification object '" + GetName() + "': before escalation range");
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return;
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}
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if (times && times->Contains("end") && now > checkable->GetLastHardStateChange() + times->Get("end")) {
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Log(LogInformation, "icinga", "Not sending notifications for notification object '" + GetName() + "': after escalation range");
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return;
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}
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}
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unsigned long ftype = 1 << type;
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Log(LogDebug, "icinga", "FType=" + Convert::ToString(ftype) + ", TypeFilter=" + Convert::ToString(GetTypeFilter()));
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if (!(ftype & GetTypeFilter())) {
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Log(LogInformation, "icinga", "Not sending notifications for notification object '" + GetName() + "': type filter does not match");
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return;
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}
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Host::Ptr host;
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Service::Ptr service;
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tie(host, service) = GetHostService(checkable);
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unsigned long fstate;
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if (service)
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fstate = ServiceStateToFilter(service->GetState());
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else
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fstate = HostStateToFilter(host->GetState());
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if (!(fstate & GetStateFilter())) {
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Log(LogInformation, "icinga", "Not sending notifications for notification object '" + GetName() + "': state filter does not match");
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return;
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}
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}
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{
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ObjectLock olock(this);
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double now = Utility::GetTime();
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SetLastNotification(now);
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if (type == NotificationProblem)
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SetLastProblemNotification(now);
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}
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std::set<User::Ptr> allUsers;
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std::set<User::Ptr> users = GetUsers();
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std::copy(users.begin(), users.end(), std::inserter(allUsers, allUsers.begin()));
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BOOST_FOREACH(const UserGroup::Ptr& ug, GetUserGroups()) {
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std::set<User::Ptr> members = ug->GetMembers();
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std::copy(members.begin(), members.end(), std::inserter(allUsers, allUsers.begin()));
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}
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Service::OnNotificationSendStart(GetSelf(), checkable, allUsers, type, cr, author, text);
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std::set<User::Ptr> allNotifiedUsers;
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BOOST_FOREACH(const User::Ptr& user, allUsers) {
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if (!CheckNotificationUserFilters(type, user, force))
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continue;
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Log(LogDebug, "icinga", "Sending notification for user '" + user->GetName() + "'");
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Utility::QueueAsyncCallback(boost::bind(&Notification::ExecuteNotificationHelper, this, type, user, cr, force, author, text));
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/* collect all notified users */
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allNotifiedUsers.insert(user);
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}
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/* used in db_ido for notification history */
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Service::OnNotificationSentToAllUsers(GetSelf(), checkable, allNotifiedUsers, type, cr, author, text);
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}
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bool Notification::CheckNotificationUserFilters(NotificationType type, const User::Ptr& user, bool force)
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{
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ASSERT(!OwnsLock());
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if (!force) {
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TimePeriod::Ptr tp = user->GetPeriod();
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if (tp && !tp->IsInside(Utility::GetTime())) {
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Log(LogInformation, "icinga", "Not sending notifications for notification object '" +
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GetName() + " and user '" + user->GetName() + "': user not in timeperiod");
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return false;
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}
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unsigned long ftype = 1 << type;
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if (!(ftype & user->GetTypeFilter())) {
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Log(LogInformation, "icinga", "Not sending notifications for notification object '" +
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GetName() + " and user '" + user->GetName() + "': type filter does not match");
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return false;
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}
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Checkable::Ptr checkable = GetCheckable();
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Host::Ptr host;
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Service::Ptr service;
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tie(host, service) = GetHostService(checkable);
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unsigned long fstate;
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if (service)
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fstate = ServiceStateToFilter(service->GetState());
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else
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fstate = HostStateToFilter(host->GetState());
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if (!(fstate & user->GetStateFilter())) {
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Log(LogInformation, "icinga", "Not sending notifications for notification object '" +
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GetName() + " and user '" + user->GetName() + "': state filter does not match");
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return false;
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}
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}
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return true;
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}
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void Notification::ExecuteNotificationHelper(NotificationType type, const User::Ptr& user, const CheckResult::Ptr& cr, bool force, const String& author, const String& text)
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{
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ASSERT(!OwnsLock());
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try {
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NotificationCommand::Ptr command = GetCommand();
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if (!command) {
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Log(LogDebug, "icinga", "No notification_command found for notification '" + GetName() + "'. Skipping execution.");
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return;
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}
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command->Execute(GetSelf(), user, cr, type, author, text);
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{
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ObjectLock olock(this);
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UpdateNotificationNumber();
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SetLastNotification(Utility::GetTime());
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}
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/* required by compatlogger */
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Service::OnNotificationSentToUser(GetSelf(), GetCheckable(), user, type, cr, author, text, command->GetName());
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Log(LogInformation, "icinga", "Completed sending notification for object '" + GetCheckable()->GetName() + "'");
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} catch (const std::exception& ex) {
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std::ostringstream msgbuf;
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msgbuf << "Exception occured during notification for object '"
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<< GetCheckable()->GetName() << "': " << DiagnosticInformation(ex);
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Log(LogWarning, "icinga", msgbuf.str());
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}
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}
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int icinga::ServiceStateToFilter(ServiceState state)
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{
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switch (state) {
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case ServiceOK:
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return StateFilterOK;
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case ServiceWarning:
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return StateFilterWarning;
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case ServiceCritical:
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return StateFilterCritical;
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case ServiceUnknown:
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return StateFilterUnknown;
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default:
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VERIFY(!"Invalid state type.");
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}
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}
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int icinga::HostStateToFilter(HostState state)
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{
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switch (state) {
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case HostUp:
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return StateFilterUp;
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case HostDown:
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return StateFilterDown;
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default:
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VERIFY(!"Invalid state type.");
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}
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}
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int icinga::FilterArrayToInt(const Array::Ptr& typeFilters, int defaultValue)
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{
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Value resultTypeFilter;
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if (!typeFilters)
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return defaultValue;
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resultTypeFilter = 0;
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ObjectLock olock(typeFilters);
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BOOST_FOREACH(const Value& typeFilter, typeFilters) {
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resultTypeFilter = resultTypeFilter | typeFilter;
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}
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return resultTypeFilter;
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}
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void Notification::ValidateFilters(const String& location, const Dictionary::Ptr& attrs)
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{
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int sfilter = FilterArrayToInt(attrs->Get("states"), 0);
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if (!attrs->Contains("service_name") && (sfilter & ~(StateFilterUp | StateFilterDown)) != 0) {
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ConfigCompilerContext::GetInstance()->AddMessage(true, "Validation failed for " +
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location + ": State filter is invalid.");
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}
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if (attrs->Contains("service_name") && (sfilter & ~(StateFilterOK | StateFilterWarning | StateFilterCritical | StateFilterUnknown)) != 0) {
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ConfigCompilerContext::GetInstance()->AddMessage(true, "Validation failed for " +
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location + ": State filter is invalid.");
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}
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int tfilter = FilterArrayToInt(attrs->Get("types"), 0);
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if ((tfilter & ~(1 << NotificationDowntimeStart | 1 << NotificationDowntimeEnd | 1 << NotificationDowntimeRemoved |
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1 << NotificationCustom | 1 << NotificationAcknowledgement | 1 << NotificationProblem | 1 << NotificationRecovery |
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1 << NotificationFlappingStart | 1 << NotificationFlappingEnd)) != 0) {
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ConfigCompilerContext::GetInstance()->AddMessage(true, "Validation failed for " +
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location + ": Type filter is invalid.");
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}
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}
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