// CONSTRUTOR
public DeviceMonitorSignaling()
{
CancelToken = new RulyCanceler();
searchingHandle = new AutoResetEvent(false);
monitoringHandle = new AutoResetEvent(false);
_monitoringThread = new Thread
(() =>
{
try { MonitorDeviceConnection(CancelToken); }
catch (OperationCanceledException)
{
Console.WriteLine("Canceled Search!");
}
});
_searchDeviceThread = new Thread(() =>
{
try { SearchDevices(CancelToken); }
catch (OperationCanceledException)
{
Console.WriteLine("Canceled Monitor!");
}
});
_monitoringThread.IsBackground = true;
}
/// <summary>
/// Once the device is detected
/// </summary>
/// <param name="cancelToken"></param>
void MonitorDeviceConnection(RulyCanceler cancelToken)
{
monitoringHandle.WaitOne();
Console.WriteLine("monitoring started.");
while (_monitoring)
{
cancelToken.ThrowIfCancellationRequested();
Thread.Sleep(1000);
if (device == null)
{
Console.WriteLine("Disconnected Invoking search.");
// Block monitoring thread and awake the device search.
ToggleMonitoringMode();
}
else
{
bool responding = device.isConnected;
Console.WriteLine("responding {0}", responding);
if (!responding)
{
Console.WriteLine("Not responding. Invoking search.");
device = null;
// Block monitoring thread and awake the device search.
ToggleMonitoringMode();
}
}
}
}
static void Work (RulyCanceler c)
{
while (true)
{
c.ThrowIfCancellationRequested();
// ...
try { OtherMethod (c); }
finally { /* any required cleanup */ }
}
}
static void Work(RulyCanceler c)
{
while (true)
{
c.ThrowIfCancellationRequested();
// ...
try { OtherMethod(c); }
finally { /* any required cleanup */ }
}
}
static void Main()
{
var canceler = new RulyCanceler();
new Thread (() => {
try { Work (canceler); }
catch (OperationCanceledException)
{
Console.WriteLine ("Canceled!");
}
}).Start();
Thread.Sleep (1000);
canceler.Cancel(); // Safely cancel worker.
}
static void Main()
{
var canceler = new RulyCanceler();
new Thread(() => {
try { Work(canceler); }
catch (OperationCanceledException)
{
Console.WriteLine("Canceled!");
}
}).Start();
Thread.Sleep(1000);
canceler.Cancel(); // Safely cancel worker.
}
/// <summary>
/// Method to search the device.
/// </summary>
/// <param name="cancelToken"></param>
void SearchDevices(RulyCanceler cancelToken)
{
while (_running)
{
cancelToken.ThrowIfCancellationRequested();
Console.WriteLine("Searching devices....");
Thread.Sleep(1000);
device = new Device(); // may be some logic to detect the device.
Console.WriteLine("Finished!!! Searching devices. Start monitoring.");
if (device != null)
{
// Block the search thread and start the monitoring thread.
ToggleMonitoringMode();
}
}
}
static void OtherMethod (RulyCanceler c)
{
// Do stuff...
c.ThrowIfCancellationRequested();
}
static void OtherMethod(RulyCanceler c)
{
// Do stuff...
c.ThrowIfCancellationRequested();
}
