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 "notification/notificationcomponent.h"
  21 #include "icinga/service.h"
  22 #include "base/dynamictype.h"
  23 #include "base/objectlock.h"
  24 #include "base/logger_fwd.h"
  25 #include "base/utility.h"
  26 #include <boost/smart_ptr/make_shared.hpp>
  27 #include <boost/foreach.hpp>
  28
  29 using namespace icinga;
  30
  31 REGISTER_TYPE(NotificationComponent);
  32
  33 NotificationComponent::NotificationComponent(const Dictionary::Ptr& serializedUpdate)
  34         : DynamicObject(serializedUpdate)
  35 { }
  36
  37 /**
  38  * Starts the component.
  39  */
  40 void NotificationComponent::Start(void)
  41 {
  42         m_Endpoint = Endpoint::MakeEndpoint("notification", false);
  43         m_Endpoint->RegisterTopicHandler("icinga::SendNotifications",
  44             boost::bind(&NotificationComponent::SendNotificationsRequestHandler, this, _2,
  45             _3));
  46
  47         m_NotificationTimer = boost::make_shared<Timer>();
  48         m_NotificationTimer->SetInterval(5);
  49         m_NotificationTimer->OnTimerExpired.connect(boost::bind(&NotificationComponent::NotificationTimerHandler, this));
  50         m_NotificationTimer->Start();
  51 }
  52
  53 /**
  54  * Stops the component.
  55  */
  56 void NotificationComponent::Stop(void)
  57 {
  58         m_Endpoint->Unregister();
  59 }
  60
  61 /**
  62  * Periodically sends notifications.
  63  *
  64  * @param - Event arguments for the timer.
  65  */
  66 void NotificationComponent::NotificationTimerHandler(void)
  67 {
  68         double now = Utility::GetTime();
  69
  70         BOOST_FOREACH(const DynamicObject::Ptr& object, DynamicType::GetObjects("Notification")) {
  71                 Notification::Ptr notification = dynamic_pointer_cast<Notification>(object);
  72
  73                 if (notification->GetNotificationInterval() <= 0)
  74                         continue;
  75
  76                 if (notification->GetNextNotification() > now)
  77                         continue;
  78
  79                 Service::Ptr service = notification->GetService();
  80                 bool reachable = service->IsReachable();
  81
  82                 {
  83                         ObjectLock olock(notification);
  84                         notification->SetNextNotification(Utility::GetTime() + notification->GetNotificationInterval());
  85                 }
  86
  87                 bool send_notification;
  88
  89                 {
  90                         ObjectLock olock(service);
  91
  92                         if (service->GetStateType() == StateTypeSoft)
  93                                 continue;
  94
  95                         if (service->GetState() == StateOK)
  96                                 continue;
  97
  98                         if (!reachable || service->IsInDowntime() || service->IsAcknowledged())
  99                                 continue;
 100                 }
 101
 102                 try {
 103                         Log(LogInformation, "notification", "Sending reminder notification for service '" + service->GetName() + "'");
 104                         notification->BeginExecuteNotification(NotificationProblem, service->GetLastCheckResult(), false);
 105                 } catch (const std::exception& ex) {
 106                         std::ostringstream msgbuf;
 107                         msgbuf << "Exception occured during notification for service '"
 108                                << GetName() << "': " << boost::diagnostic_information(ex);
 109                         String message = msgbuf.str();
 110
 111                         Log(LogWarning, "icinga", message);
 112                 }
 113         }
 114 }
 115
 116 /**
 117  * Processes icinga::SendNotifications messages.
 118  */
 119 void NotificationComponent::SendNotificationsRequestHandler(const Endpoint::Ptr& sender,
 120     const RequestMessage& request)
 121 {
 122         MessagePart params;
 123         if (!request.GetParams(&params))
 124                 return;
 125
 126         String svc;
 127         if (!params.Get("service", &svc))
 128                 return;
 129
 130         int type;
 131         if (!params.Get("type", &type))
 132                 return;
 133
 134         Dictionary::Ptr cr;
 135         if (!params.Get("check_result", &cr))
 136                 return;
 137
 138         Service::Ptr service = Service::GetByName(svc);
 139
 140         if (!service)
 141                 return;
 142
 143         String author;
 144         params.Get("author", &author);
 145         String text;
 146         params.Get("text", &text);
 147
 148         service->SendNotifications(static_cast<NotificationType>(type), cr, author, text);
 149 }