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path: root/src/uscxml/plugins/invoker/heartbeat/HeartbeatInvoker.cpp
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#include "HeartbeatInvoker.h"
#include <glog/logging.h>

#ifdef BUILD_AS_PLUGINS
#include <Pluma/Connector.hpp>
#endif

namespace uscxml {

#ifdef BUILD_AS_PLUGINS
PLUMA_CONNECTOR
bool connect(pluma::Host& host) {
	host.add( new HeartbeatInvokerProvider() );
	return true;
}
#endif

HeartbeatInvoker::HeartbeatInvoker() {
}

HeartbeatInvoker::~HeartbeatInvoker() {
	cancel("");
};

boost::shared_ptr<IOProcessorImpl> HeartbeatInvoker::create(Interpreter* interpreter) {
	boost::shared_ptr<HeartbeatInvoker> invoker = boost::shared_ptr<HeartbeatInvoker>(new HeartbeatInvoker());
	invoker->_interpreter = interpreter;
	return invoker;
}

Data HeartbeatInvoker::getDataModelVariables() {
	Data data;
	return data;
}

void HeartbeatInvoker::send(const SendRequest& req) {
}

void HeartbeatInvoker::cancel(const std::string sendId) {
	HeartbeatDispatcher::getInstance()->cancelEvent(toStr(this));
}

void HeartbeatInvoker::invoke(const InvokeRequest& req) {
	_event.invokeid = _invokeId;
	std::string intervalStr;
	double interval = 0;
	unsigned long intervalMs = 0;
	InvokeRequest::params_t::const_iterator paramIter = req.params.begin();
	while(paramIter != req.params.end()) {
		if (boost::iequals(paramIter->first, "interval")) {
			intervalStr = paramIter->second;
			NumAttr intervalAttr(paramIter->second);
			interval = strTo<double>(intervalAttr.value);
			if (false) {
			} else if (boost::iequals(intervalAttr.unit, "s")) {
				intervalMs = interval * 1000;
			} else if (boost::iequals(intervalAttr.unit, "ms")) {
				intervalMs = interval;
			} else {
				intervalMs = interval;
			}
		}
		if (boost::iequals(paramIter->first, "eventname")) {
			_event.name = paramIter->second;
		}
		paramIter++;
	}
	if (_event.name.length() == 0)
		_event.name = std::string("heartbeat." + intervalStr);

	if (intervalMs > 0) {
		HeartbeatDispatcher::getInstance()->addEvent(toStr(this), HeartbeatInvoker::dispatch, intervalMs, this, true);
	}
}

void HeartbeatInvoker::dispatch(void* instance, std::string name) {
	HeartbeatInvoker* invoker = (HeartbeatInvoker*)instance;
	invoker->returnEvent(invoker->_event);
}

HeartbeatDispatcher* HeartbeatDispatcher::_instance = NULL;
HeartbeatDispatcher* HeartbeatDispatcher::getInstance() {
	if (_instance == NULL) {
		_instance = new HeartbeatDispatcher();
		_instance->start();
	}
	return _instance;
}

HeartbeatDispatcher::HeartbeatDispatcher() {}

}