beaconEmitter and handler (not finished)

pvAccessApp/remote/beaconHandler.cpp

@@ -0,0 +1,109 @@
+/*
+ * beaconHandler.cpp
+ */
+
+#include "beaconHandler.h"
+
+using namespace std;
+
+namespace epics { namespace pvAccess {
+
+BeaconHandler::BeaconHandler(const ClientContextImpl* context, const osiSockAddr* responseFrom): _context(context), _responseFrom(responseFrom), _mutex(Mutex())
+{
+
+}
+
+BeaconHandler::BeaconHandler(const osiSockAddr* responseFrom):  _responseFrom(responseFrom), _mutex(Mutex())
+{
+
+}
+
+BeaconHandler::~BeaconHandler()
+{
+
+}
+
+void BeaconHandler::beaconNotify(osiSockAddr* from, int8 remoteTransportRevision,
+							 int64 timestamp, TimeStamp* startupTime, int32 sequentalID,
+							 PVFieldPtr data)
+{
+	bool networkChanged = updateBeacon(remoteTransportRevision, timestamp, startupTime, sequentalID);
+	if(networkChanged)
+	{
+		changedTransport();
+	}
+}
+
+bool BeaconHandler::updateBeacon(int8 remoteTransportRevision, int64 timestamp,
+												  TimeStamp* startupTime, int32 sequentalID)
+{
+	Lock guard(&_mutex);
+	// first beacon notification check
+	if (_serverStartupTime == NULL)
+	{
+		_serverStartupTime = startupTime;
+
+		// new server up..
+		//TODO
+		//_context->beaconAnomalyNotify();
+
+		// notify corresponding transport(s)
+		beaconArrivalNotify();
+
+		return false;
+	}
+
+	bool networkChange = !(*_serverStartupTime == *startupTime);
+	if (networkChange)
+	{
+		//TODO
+		//_context->beaconAnomalyNotify();
+	}
+	else
+	{
+		beaconArrivalNotify();
+	}
+
+	return networkChange;
+}
+
+void BeaconHandler::beaconArrivalNotify()
+{
+	int32 size;
+	//TODO TCP name must be get from somewhere not hardcoded
+	//TODO
+	Transport** transports  = NULL;//_context->getTransportRegistry().get("TCP", _responseFrom, size);
+	if (transports == NULL)
+	{
+		return;
+	}
+
+	// notify all
+	for (int i = 0; i < size; i++)
+	{
+		transports[i]->aliveNotification();
+	}
+	delete transports;
+}
+
+void BeaconHandler::changedTransport()
+{
+	int32 size;
+	//TODO TCP name must be get from somewhere not hardcoded
+	//TODO
+	Transport** transports = NULL;//_context->getTransportRegistry().get("TCP", _responseFrom, size);
+	if (transports == NULL)
+	{
+		return;
+	}
+
+	// notify all
+	for (int i = 0; i < size; i++)
+	{
+		transports[i]->changedTransport();
+	}
+	delete transports;
+}
+
+}}
+