public async Task <UaValue> ReadUaValueAsync(string serverUrl, VariableNode variableNode)
{
Session session = await GetSessionAsync(serverUrl);
var typeManager = new DataTypeManager(session);
return(typeManager.GetUaValue(variableNode));
}
private void OnMonitorNotification(MonitoredItem monitoreditem, MonitoredItemNotificationEventArgs e)
{
VariableNode varNode = (VariableNode)monitoreditem.Subscription.Session.ReadNode(monitoreditem.StartNodeId);
foreach (var value in monitoreditem.DequeueValues())
{
Console.WriteLine("Got a value");
var typeManager = new DataTypeManager(monitoreditem.Subscription.Session);
UaValue opcvalue = typeManager.GetUaValue(varNode, value, false);
dynamic monitorInfoPair;
lock (_monitorPublishInfo)
{
monitorInfoPair = _monitorPublishInfo
.SelectMany(pair => pair.Value, (parent, child) => new { ServerUrl = parent.Key, Info = child })
.First(couple => couple.Info.Subscription == monitoreditem.Subscription);
}
var message = $"[TOPIC: {monitorInfoPair.Info.Topic}] \t ({monitoreditem.DisplayName}): {opcvalue.Value}";
monitorInfoPair.Info.Forward(message);
Console.WriteLine(message);
}
}