icinga2/lib/remote/apiclient-heartbeat.cpp

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/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#include "remote/apiclient.hpp"
#include "remote/messageorigin.hpp"
#include "remote/apifunction.hpp"
#include "base/initialize.hpp"
#include "base/dynamictype.hpp"
#include <boost/foreach.hpp>
using namespace icinga;
REGISTER_APIFUNCTION(Heartbeat, event, &ApiClient::HeartbeatAPIHandler);
static Timer::Ptr l_HeartbeatTimer;
static void StartHeartbeatTimer(void)
{
l_HeartbeatTimer = new Timer();
l_HeartbeatTimer->OnTimerExpired.connect(boost::bind(&ApiClient::HeartbeatTimerHandler));
l_HeartbeatTimer->SetInterval(10);
l_HeartbeatTimer->Start();
}
INITIALIZE_ONCE(StartHeartbeatTimer);
void ApiClient::HeartbeatTimerHandler(void)
{
BOOST_FOREACH(const Endpoint::Ptr& endpoint, DynamicType::GetObjectsByType<Endpoint>()) {
BOOST_FOREACH(const ApiClient::Ptr& client, endpoint->GetClients()) {
if (client->m_NextHeartbeat != 0 && client->m_NextHeartbeat < Utility::GetTime()) {
client->Disconnect();
continue;
}
Dictionary::Ptr request = new Dictionary();
request->Set("jsonrpc", "2.0");
request->Set("method", "event::Heartbeat");
Dictionary::Ptr params = new Dictionary();
params->Set("timeout", 30);
request->Set("params", params);
client->SendMessage(request);
}
}
}
Value ApiClient::HeartbeatAPIHandler(const MessageOrigin& origin, const Dictionary::Ptr& params)
{
Value vtimeout = params->Get("timeout");
if (!vtimeout.IsEmpty())
origin.FromClient->m_NextHeartbeat = Utility::GetTime() + vtimeout;
}