protected override void EstablishContext()
{
A.CallTo(() => _contextFactory.Establish(SCardScope.System))
.Returns(_context);
A.CallTo(() => _context.IsValid())
.Returns(true);
A.CallTo(() => _context.Infinite)
.Returns(SCardContext.INFINITE);
// first call -> only one attached reader
A.CallTo(() => _context.GetReaders())
.Returns(new[] { READER_A });
A.CallTo(() => _context.GetStatusChange(SCardContext.INFINITE, A <SCardReaderState[]> .That.Matches(
states => MatchFirstCall(states))))
.ReturnsLazily(call => {
// second call -> two attached readers
A.CallTo(() => _context.GetReaders())
.Returns(new[] { READER_A, READER_B });
_getStatusChangeCall.Set();
return(SCardError.Success);
});
A.CallTo(() => _context.GetStatusChange(SCardContext.INFINITE, A <SCardReaderState[]> .That.Matches(
states => MatchSecondCall(states))))
.Returns(SCardError.Cancelled);
_sut = new DeviceMonitor(_contextFactory, SCardScope.System);
_monitorEvents = _sut.MonitorEvents();
}
public bool TryGetMonitor(object eventSource, out IEventMonitor eventMonitor)
{
IEventMonitor result = null;
ForEach(eventSource, pair => result = pair.Value);
eventMonitor = result;
return(eventMonitor != null);
}
/// <summary>
/// This method finds an instance of a monitored event, in the monitors collection.
/// If it is found, a message is broadcast to all clients.
/// </summary>
/// <param name="monitor"></param>
/// <param name="monitoredEventId"></param>
public static void PushMessage(IEventMonitor monitor, Guid monitoredEventId)
{
var monitoredEvent = monitor.MonitoredEvents.SingleOrDefault(x => x.Id == monitoredEventId);
if (monitoredEvent != null)
{
_Hub.Clients.All.broadcastMessage(monitoredEvent.Title, JsonConvert.SerializeObject(monitoredEvent));
}
}
public IEventMonitor this[object eventSource]
{
get
{
IEventMonitor result = null;
TryGetMonitor(eventSource, out result);
if (result == null)
{
throw new InvalidOperationException(string.Format(
"Object <{0}> is not being monitored for events or has already been garbage collected. " +
"Use the MonitorEvents() extension method to start monitoring events.", eventSource));
}
return(result);
}
}
public void Add(object eventSource, IEventMonitor recorder)
{
ForEach(eventSource, keyValuePair => map.Remove(keyValuePair.Key));
map.Add(new WeakReference(eventSource), recorder);
}
