private void dataReturned(object sender, EventArgs e)
{
MonitoredItem monitoredItem = (MonitoredItem)sender;
foreach (var value in monitoredItem.DequeueValues())
{
string message = string.Format("{0}={1}\t[Source Time: {2}, Status: {3}]", monitoredItem.DisplayName, value.Value, value.SourceTimestamp.ToString("yyyy-MM-dd HH:mm:ss.fff"), value.StatusCode);
log.Info(message);
tagDB.UpdateTagValue(monitoredItem.DisplayName, value.Value.ToString());
if (monitoredItem.DisplayName.EndsWith("Trigger")) // == "Camera01Trigger")
{
if ((bool)value.Value == true)
{
// Reset trigger
opcuaClient.WriteValueToPath(string.Format("{0}/{1}", TagPath, monitoredItem.DisplayName), false);
string tagRoot = monitoredItem.DisplayName.Substring(0, monitoredItem.DisplayName.Length - "Trigger".Length);
string CameraUriTag = tagRoot + "CameraURI";
// If the tag exists and has a valid value, attempt a callup
if (tagDB.Tags.Exists(x => x.name == CameraUriTag))
{
var tagValue = tagDB.Tags.Find(item => item.name == CameraUriTag).value;
if (tagValue != null && tagValue != "")
{
int viewerNum = int.Parse(tagRoot.Substring(tagRoot.Length - 2, 2)) - 1;
callupDelegate(new Uri(tagValue), viewerNum);
}
}
else
{
// Tag not yet assigned
log.Warn(string.Format("Tag not found [{0}]. Callup cannot be performed.", CameraUriTag));
}
}
}
else if (monitoredItem.DisplayName.EndsWith("CameraURI"))
{
string tagRoot = monitoredItem.DisplayName.Substring(0, monitoredItem.DisplayName.Length - "CameraURI".Length);
// If the tag exists and has a valid value, attempt a callup
if (tagDB.Tags.Exists(x => x.name == monitoredItem.DisplayName))
{
var tagValue = tagDB.Tags.Find(item => item.name == monitoredItem.DisplayName).value;
if (tagValue != null && tagValue != "")
{
int viewerNum = int.Parse(tagRoot.Substring(tagRoot.Length - 2, 2)) - 1;
callupDelegate(new Uri(tagValue), viewerNum);
}
}
else
{
// Tag not yet assigned
log.Warn(string.Format("Tag not found [{0}]. Callup cannot be performed.", monitoredItem.DisplayName));
}
}
}
}
