public void SubscribeToTagChange(int publishingInterval, string tagName, object clientHandle, TagValueChanged callback)
{
lock (this.syncRoot)
{
this.baseClient.SubscribeToTagChange(publishingInterval, tagName, clientHandle, callback);
}
}
public void SubscribeToTagChange(int publishingInterval, string tagName, object clientHandle, TagValueChanged callback)
{
if (!this.callbacks.ContainsKey(tagName))
{
this.callbacks.Add(tagName, new List<Action>());
}
this.callbacks[tagName].Add(() =>
{
callback(tagName, clientHandle, this.currentValues[tagName]);
});
}
public void SubscribeToTagChange(int publishingInterval, string tagName, object clientHandle, TagValueChanged callback)
{
throw new NotImplementedException();
//if (!this.subscriptions.ContainsKey(publishingInterval))
//{
// this.subscriptions.Add(publishingInterval, this.opcClient.AddSubscription(publishingInterval));
//}
//object serverHandle;
//var eventKey = Guid.NewGuid();
//this.subscriptions[publishingInterval].AddDataMonitoredItem(
// new NodeId(tagName),
// clientHandle,
// (o, dv) =>
// {
// if (!StatusCode.IsGood(dv.StatusCode))
// {
// // ignore all not good changes
// return;
// }
// lock (this.eventValues)
// {
// // First Event occurance of every tag should be ignored
// if (!this.eventValues.ContainsKey(eventKey))
// {
// this.eventValues.Add(eventKey, dv.Value);
// return;
// }
// var previousValue = this.eventValues[eventKey];
// var currentValue = dv.Value;
// // Raise event only if values are truly different
// if (Equals(previousValue, currentValue))
// {
// return;
// }
// this.eventValues[eventKey] = dv.Value;
// }
// callback(o, dv.Value);
// },
// (uint)publishingInterval,
// out serverHandle);
}
private void _socket_MessageReceived(MessageWebSocket sender, MessageWebSocketMessageReceivedEventArgs args)
{
using (DataReader reader = args.GetDataReader())
{
reader.UnicodeEncoding = Windows.Storage.Streams.UnicodeEncoding.Utf8;
try
{
string message = reader.ReadString(reader.UnconsumedBufferLength);
TagValueChanged?.Invoke(this, JsonConvert.DeserializeObject <Tag>(message));
}
catch (Exception ex)
{
LogService.AddEntry(this.GetType().Name, ex);
}
}
}
