IDisposable SubscribeLocal(SecsEventSubscription subscription)
{
var handler = new Action <SecsMessage>(msg =>
{
#region event action
var filter = subscription.Filter;
try
{
if (msg.IsMatch(filter))
{
EapLogger.Info("event[" + filter.Name + "] >> EAP");
msg.Name = filter.Name;
subscription.Handle(msg);
}
}
catch (Exception ex)
{
EapLogger.Error("event[" + filter.Name + "] EAP process Error!", ex);
}
#endregion
});
_eventHandlers.AddHandler(subscription.GetKey(), handler);
EapLogger.Notice("EAP subscribe event " + subscription.Filter.Name);
return(new LocalDisposable(() =>
{
_eventHandlers.RemoveHandler(subscription.GetKey(), handler);
EapLogger.Notice("EAP unsubscribe event " + subscription.Filter.Name);
}));
}
async void btnSend_Click(object sender, EventArgs e)
{
if (_secsGem == null)
{
MessageBox.Show("SECS/GEM not enable!");
return;
}
try
{
EapLogger.Notice("Send by operator");
await _secsGem.SendAsync(txtMsg.Text.ToSecsMessage());
}
catch (Exception ex)
{
EapLogger.Error(ex);
}
}
IDisposable SubscribeRemote(SecsEventSubscription subscription)
{
var filter = subscription.Filter;
var description = filter.Name;
var handler = new Action <SecsMessage>(msg =>
{
try
{
if (msg.IsMatch(filter))
{
EapLogger.Info($"event[{description}] >> Z");
msg.Name = filter.Name;
subscription.Handle(msg);
}
}
catch (Exception ex)
{
EapLogger.Error($"event[{description}] Z process Error!", ex);
}
});
int key = subscription.GetKey();
string recoverQueuePath = $"FormatName:DIRECT=TCP:{subscription.ClientAddress} \\private$\\{subscription.Id}";
if (subscription.Recoverable)
{
return(new SerializableDisposable(subscription,
new RemoteDisposable(subscription,
subscribeAction: () =>
{
#region recover complete
_eventHandlers.AddHandler(key, handler);
EapLogger.Notice("Z subscribe event " + description);
Action <SecsMessage> recover = null;
if (_recoverEventHandlers.TryRemove(recoverQueuePath, out recover))
{
_eventHandlers.RemoveHandler(key, recover);
EapLogger.Notice($"Z recover completely event[{description}]");
}
#endregion
},
disposeAction: () =>
{
#region Dispose
_eventHandlers.RemoveHandler(key, handler);
EapLogger.Notice("Z unsubscribe event " + description);
var queue = new MessageQueue(recoverQueuePath, QueueAccessMode.Send)
{
Formatter = new BinaryMessageFormatter()
};
queue.DefaultPropertiesToSend.Recoverable = true;
var recover = new Action <SecsMessage>(msg =>
{
#region recover action
try
{
if (msg.IsMatch(filter))
{
EapLogger.Info("recoverable event[" + description + "]");
msg.Name = filter.Name;
queue.Send(msg);
}
}
catch (Exception ex)
{
EapLogger.Error(ex);
}
#endregion
});
if (_recoverEventHandlers.TryAdd(recoverQueuePath, recover))
{
EapLogger.Notice("Z subscribe event[" + description + "] for recovering.");
_eventHandlers.AddHandler(key, recover);
}
#endregion
})));
}
_eventHandlers.AddHandler(key, handler);
EapLogger.Notice("Z subscribe event " + description);
return(new SerializableDisposable(subscription,
new RemoteDisposable(subscription, null, () =>
{
_eventHandlers.RemoveHandler(key, handler);
EapLogger.Notice("Z unsubscribe event " + description);
})));
}
