granicus.if.org Git - icinga2/blob - components/notification/notificationcomponent.cpp

   1 /******************************************************************************
   2  * Icinga 2                                                                   *
   3  * Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/)        *
   4  *                                                                            *
   5  * This program is free software; you can redistribute it and/or              *
   6  * modify it under the terms of the GNU General Public License                *
   7  * as published by the Free Software Foundation; either version 2             *
   8  * of the License, or (at your option) any later version.                     *
   9  *                                                                            *
  10  * This program is distributed in the hope that it will be useful,            *
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
  13  * GNU General Public License for more details.                               *
  14  *                                                                            *
  15  * You should have received a copy of the GNU General Public License          *
  16  * along with this program; if not, write to the Free Software Foundation     *
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
  18  ******************************************************************************/
  19
  20 #include "i2-notification.h"
  21
  22 using namespace icinga;
  23
  24 REGISTER_COMPONENT("notification", NotificationComponent);
  25
  26 /**
  27  * Starts the component.
  28  */
  29 void NotificationComponent::Start(void)
  30 {
  31         m_Endpoint = Endpoint::MakeEndpoint("notification", false);
  32         m_Endpoint->RegisterTopicHandler("icinga::SendNotifications",
  33             boost::bind(&NotificationComponent::SendNotificationsRequestHandler, this, _2,
  34             _3));
  35
  36         m_NotificationTimer = boost::make_shared<Timer>();
  37         m_NotificationTimer->SetInterval(5);
  38         m_NotificationTimer->OnTimerExpired.connect(boost::bind(&NotificationComponent::NotificationTimerHandler, this));
  39         m_NotificationTimer->Start();
  40 }
  41
  42 /**
  43  * Stops the component.
  44  */
  45 void NotificationComponent::Stop(void)
  46 {
  47         m_Endpoint->Unregister();
  48 }
  49
  50 /**
  51  * Periodically sends a notification::HelloWorld message.
  52  *
  53  * @param - Event arguments for the timer.
  54  */
  55 void NotificationComponent::NotificationTimerHandler(void)
  56 {
  57         double now = Utility::GetTime();
  58
  59         BOOST_FOREACH(const DynamicObject::Ptr& object, DynamicType::GetObjects("Service")) {
  60                 Service::Ptr service = dynamic_pointer_cast<Service>(object);
  61                 bool reachable = service->IsReachable();
  62
  63                 bool send_notification;
  64
  65                 {
  66                         ObjectLock olock(service);
  67
  68                         if (service->GetStateType() == StateTypeSoft)
  69                                 continue;
  70
  71                         if (service->GetState() == StateOK)
  72                                 continue;
  73
  74                         if (service->GetNotificationInterval() <= 0)
  75                                 continue;
  76
  77                         if (service->GetLastNotification() > now - service->GetNotificationInterval())
  78                                 continue;
  79
  80                         send_notification = reachable && !service->IsInDowntime() && !service->IsAcknowledged();
  81                 }
  82
  83                 if (send_notification)
  84                         service->RequestNotifications(NotificationProblem, service->GetLastCheckResult());
  85         }
  86 }
  87
  88 /**
  89  * Processes icinga::SendNotifications messages.
  90  */
  91 void NotificationComponent::SendNotificationsRequestHandler(const Endpoint::Ptr& sender,
  92     const RequestMessage& request)
  93 {
  94         MessagePart params;
  95         if (!request.GetParams(&params))
  96                 return;
  97
  98         String svc;
  99         if (!params.Get("service", &svc))
 100                 return;
 101
 102         int type;
 103         if (!params.Get("type", &type))
 104                 return;
 105
 106         Dictionary::Ptr cr;
 107         if (!params.Get("check_result", &cr))
 108                 return;
 109
 110         Service::Ptr service = Service::GetByName(svc);
 111
 112         if (!service)
 113                 return;
 114
 115         service->SendNotifications(static_cast<NotificationType>(type), cr);
 116 }