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/*
Copyright (C) 2012 Intel Corporation
Copyright (C) 2015 AWTC Europe
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "chrony.h"
#include "ambplugin.h"
#include "abstractroutingengine.h"
#include "debugout.h"
#include "listplusplus.h"
#include <glib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/time.h>
#include <math.h>
extern "C" void create(AbstractRoutingEngine* routingEngine, map<string, string> config)
{
auto plugin = new AmbPlugin<ChronySink>(routingEngine, config);
plugin->init();
}
ChronySink::ChronySink(AbstractRoutingEngine* re, const std::map<std::string, std::string>& config, AbstractSource& parent)
:AmbPluginImpl(re, config, parent)
{
}
void ChronySink::init()
{
routingEngine->subscribeToProperty("GpsTime", &source);
}
PropertyList ChronySink::subscriptions()
{
}
void ChronySink::propertyChanged(AbstractPropertyType *value)
{
int sockfd;
struct sockaddr_un s;
struct chrony_sock_sample chronydata;
sockfd = socket(AF_UNIX, SOCK_DGRAM, 0);
if (sockfd < 0) return;
s.sun_family = AF_UNIX;
strcpy(s.sun_path, CHRONYD_SOCKET );
if(connect(sockfd, (struct sockaddr *)&s, sizeof(s)) == -1)
{
return;
}
gettimeofday(&(chronydata.tv), NULL);
chronydata.offset = (value->value<double>() - chronydata.tv.tv_sec) - (chronydata.tv.tv_usec / 1000000.0);
chronydata.offset -= (amb::currentTime()-value->timestamp);
chronydata.pulse = 0;
chronydata.leap = 0;
chronydata.magic = 0x534f434b;
send(sockfd,&chronydata,sizeof(chronydata),0);
close(sockfd);
}
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