public ThingBrowser(string thingPropertiesURI)
{
DataRiver = DataRiver.GetInstance();
// Add listener for discovery of Things
CustomDispatcher = new Dispatcher();
NewThingListener = new NewThingDiscoveredListener(DataRiver);
DataRiver.AddListener(NewThingListener, CustomDispatcher);
Thing = CreateThing(DataRiver, thingPropertiesURI);
Stop = false;
Console.CancelKeyPress += this.CtrlCHandler;
Console.WriteLine("ThingBrowser started");
}
public int Run(ulong runningTime, string barcodeFilePath)
{
StartTimestamp = DateTime.Now;
int barcodeIndex = 0;
DateTime barcodeTimestamp = StartTimestamp.AddMilliseconds(-BarcodeIntervalMS);
// Get barcodes
List <string> barcodes = ReadBarCodes(barcodeFilePath);
if (barcodes.Count == 0)
{
Console.WriteLine("Error: no barcodes found");
return(1);
}
// Add listener for new Things
var cameraDiscoveredListener = new CameraThingDiscoveredListener(this);
DataRiver.AddListener(cameraDiscoveredListener);
// Add listener for lost Things
var cameraLostListener = new CameraThingLostListener(this);
DataRiver.AddListener(cameraLostListener);
// Check for related camera already in the discovered things registry
System.Threading.Thread.Sleep(CameraInitialDelayMS);
CheckRegistryForRelatedCameras();
do
{
var now = DateTime.Now;
// Check if next barcode should be read
if (barcodeIndex < barcodes.Count &&
((now.Subtract(barcodeTimestamp).TotalSeconds * 1000) > BarcodeIntervalMS))
{
string barcode = barcodes[barcodeIndex];
barcodeIndex++;
// Randomly skip some of the barcodes
if (StaticRandom.Rand(0, 100) > BarcodeSkipPercentage)
{
ParameterizedThreadStart pts = new ParameterizedThreadStart(BarcodeTask);
Thread t = new Thread(pts);
Threads.Add(t);
t.Start(barcode);
}
// Update timestamp
barcodeTimestamp = now;
}
// Sleep for some time
System.Threading.Thread.Sleep(CameraDelayMS);
} while (!Stop && SecondsExecuting(StartTimestamp) < runningTime);
// Remove listeners
DataRiver.RemoveListener(cameraLostListener);
DataRiver.RemoveListener(cameraDiscoveredListener);
return(0);
}