granicus.if.org Git - icinga2/blob - components/demo/democomponent.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-demo.h"
  21
  22 using namespace icinga;
  23
  24 /**
  25  * Returns the name of the component.
  26  *
  27  * @returns The name.
  28  */
  29 string DemoComponent::GetName(void) const
  30 {
  31         return "democomponent";
  32 }
  33
  34 /**
  35  * Starts the component.
  36  */
  37 void DemoComponent::Start(void)
  38 {
  39         m_DemoEndpoint = make_shared<VirtualEndpoint>();
  40         m_DemoEndpoint->RegisterTopicHandler("demo::HelloWorld",
  41             bind_weak(&DemoComponent::HelloWorldRequestHandler, shared_from_this()));
  42         m_DemoEndpoint->RegisterPublication("demo::HelloWorld");
  43         GetEndpointManager()->RegisterEndpoint(m_DemoEndpoint);
  44
  45         m_DemoTimer = make_shared<Timer>();
  46         m_DemoTimer->SetInterval(5);
  47         m_DemoTimer->OnTimerExpired += bind_weak(&DemoComponent::DemoTimerHandler, shared_from_this());
  48         m_DemoTimer->Start();
  49 }
  50
  51 /**
  52  * Stops the component.
  53  */
  54 void DemoComponent::Stop(void)
  55 {
  56         IcingaApplication::Ptr app = GetIcingaApplication();
  57
  58         if (app) {
  59                 EndpointManager::Ptr endpointManager = app->GetEndpointManager();
  60                 endpointManager->UnregisterEndpoint(m_DemoEndpoint);
  61         }
  62 }
  63
  64 /**
  65  * Periodically sends a demo::HelloWorld message.
  66  *
  67  * @param - Event arguments for the timer.
  68  * @returns 0
  69  */
  70 int DemoComponent::DemoTimerHandler(const TimerEventArgs&)
  71 {
  72         Application::Log("Sending multicast 'hello world' message.");
  73
  74         RequestMessage request;
  75         request.SetMethod("demo::HelloWorld");
  76
  77         EndpointManager::Ptr endpointManager = GetIcingaApplication()->GetEndpointManager();
  78         endpointManager->SendMulticastMessage(m_DemoEndpoint, request);
  79
  80         return 0;
  81 }
  82
  83 /**
  84  * Processes demo::HelloWorld messages.
  85  */
  86 int DemoComponent::HelloWorldRequestHandler(const NewRequestEventArgs& nrea)
  87 {
  88         Application::Log("Got 'hello world' from address=" + nrea.Sender->GetAddress() + ", identity=" + nrea.Sender->GetIdentity());
  89
  90         return 0;
  91 }
  92
  93 EXPORT_COMPONENT(demo, DemoComponent);