public void DispatchChannelAvailabilityChecked(IDispatchChannel <TKey> channel, DispatcherAvailability availability)
{
string message = string.Format(MonitorMessages.ChannelAvailabilityChecked,
DateTime.Now.ToLongTimeString(), channel.DeliveryType, availability);
Trace.WriteLine(message);
}
/// <summary>
/// Find DispatchChannel matching a signal.
/// </summary>
/// <param name="signal"></param>
/// <returns></returns>
public virtual IDispatchChannel <TKey> Match(SignalDispatch <TKey> signal)
{
IDispatchChannel <TKey> channel = _channels.FirstOrDefault(
p => p.DeliveryType == signal.DeliveryType);
if (channel == null)
{
_logger.LogError(SenderInternalMessages.Common_NoServiceWithKeyFound,
typeof(IDispatchChannel <TKey>), nameof(IDispatchChannel <TKey> .DeliveryType), signal.DeliveryType);
}
if (!channel.IsActive || channel.AvailableLimitCapacity == 0)
{
_logger.LogError(SenderInternalMessages.DispatchChannelRegistry_InactiveChannelRequested,
signal.DeliveryType, channel.AvailableLimitCapacity);
return(null);
}
return(channel);
}
//methods
public virtual bool Execute(SignalWrapper <SignalDispatch <TKey> > item)
{
//find Dispatcher by deliveryType
IDispatchChannel <TKey> channel = _channelRegistry.Match(item.Signal);
if (channel == null)
{
_dispatchQueue.ApplyResult(item, ProcessingResult.NoHandlerFound);
return(false);
}
//send with dispatcher
ProcessingResult sendResult = ProcessingResult.Fail;
Stopwatch sendTimer = Stopwatch.StartNew();
try
{
sendResult = channel.Send(item.Signal);
}
catch (Exception ex)
{
_logger.LogError(ex, null);
}
sendTimer.Stop();
//check dispatcher availability
DispatcherAvailability availability = CheckAvailability(channel, sendResult);
if (sendResult == ProcessingResult.Fail && availability == DispatcherAvailability.NotAvailable)
{
sendResult = ProcessingResult.Repeat;
}
_monitor.DispatchSent(item.Signal, sendResult, sendTimer.Elapsed);
channel.CountSendAttempt(item.Signal, sendResult, availability);
_dispatchQueue.ApplyResult(item, sendResult);
return(sendResult == ProcessingResult.Success);
}
protected virtual DispatcherAvailability CheckAvailability(IDispatchChannel <TKey> channel, ProcessingResult sendResult)
{
if (sendResult != ProcessingResult.Fail)
{
return(DispatcherAvailability.NotChecked);
}
DispatcherAvailability availability;
try
{
availability = channel.CheckAvailability();
}
catch (Exception ex)
{
availability = DispatcherAvailability.NotAvailable;
_logger.LogError(ex, null);
}
channel.CountAvailabilityCheck(availability);
_monitor.DispatchChannelAvailabilityChecked(channel, availability);
return(availability);
}
public void DispatchChannelAvailabilityChecked(IDispatchChannel <TKey> channel, DispatcherAvailability availability)
{
Console.WriteLine(MonitorMessages.ChannelAvailabilityChecked,
DateTime.Now.ToLongTimeString(), channel.DeliveryType, availability);
}