/// <summary>
/// Tests the connection to the given target-proxy object
/// </summary>
/// <returns>a value indicating whether the connection is OK</returns>
protected override bool Test()
{
if (connected || !initCalled)
{
if (!connection.Initialized)
{
try
{
connection.Initialize();
if (isBidirectional != IsBidirectional)
{
throw new Exception("Failed to Register return-channel. Check permissions on server.");
}
}
finally
{
initCalled = true;
}
}
if (!connection.Operational)
{
ConnectivityChanged(null, null);
return(connected = false);
}
return(connected = connection.DiscoverService(targetService));
}
else
{
try
{
ReConnectClient();
//return Test();
}
catch
{
connection?.Dispose();
connection = null;
connected = false;
}
}
return(false);
}
/// <summary>
/// Invokes a test-method on the event-subscribing client
/// </summary>
/// <param name="sessionId">the session id for which to check whether the client is still present</param>
/// <returns>a value indicating whether the client is still active</returns>
protected override bool Test(string sessionId)
{
return(hubClient.DiscoverService(sessionId));
}
