private void ProcessQueue(object state)
{
if (m_InProcessValues)
{
return;
}
if (m_closing)
{
return;
}
m_InProcessValues = true;
ClassTagValues[] arrTagValues = new ClassTagValues[0];
Int32 numberOfTagValues = 0;
lock (m_DataValuesQueue.SyncRoot)
{
if (m_DataValuesQueue.Count < 1)
{
m_InProcessValues = false;
return; // There is nothing to do
}
numberOfTagValues = m_DataValuesQueue.Count;
arrTagValues = new ClassTagValues[numberOfTagValues];
m_DataValuesQueue.CopyTo(arrTagValues, 0);
m_DataValuesQueue.Clear();
}
Int32 allTagValuesIndex = 0;
ClassTagValues allTagValues = null;
string[] tagNames = null;
object[] tagValues = null;
bool[] tagQualities = null;
DateTime[] tagTimeStamps = null;
Int32 tagIndex = 0;
Int32 numberOfTags = 0;
System.Text.StringBuilder UpdateString = new System.Text.StringBuilder();
double ValueDouble = 0;
int ValueInteger = 0;
bool ValueBoolean = false;
string ValueString = null;
ValueDouble = 0;
ValueInteger = 0;
ValueBoolean = false;
ValueString = "";
for (allTagValuesIndex = 0; allTagValuesIndex < numberOfTagValues; allTagValuesIndex++)
{
// Obtain arrays of tags and values from the tag values class previously stored in the OpcSystemsData_ValuesChangedAll event
allTagValues = arrTagValues[allTagValuesIndex];
tagNames = allTagValues.TagNames;
tagValues = allTagValues.Values;
tagQualities = allTagValues.Qualities;
tagTimeStamps = allTagValues.TimeStamps;
numberOfTags = tagNames.GetLength(0);
TagList tagList = new TagList();
string value = null;
for (tagIndex = 0; tagIndex < numberOfTags; tagIndex++)
{
if (tagQualities[tagIndex])
{
if (object.ReferenceEquals(tagValues[tagIndex].GetType(), typeof(double)))
{
value = Convert.ToDouble(tagValues[tagIndex]).ToString();
}
else if (object.ReferenceEquals(tagValues[tagIndex].GetType(), typeof(int)))
{
value = Convert.ToInt32(tagValues[tagIndex]).ToString();
}
else if (object.ReferenceEquals(tagValues[tagIndex].GetType(), typeof(bool)))
{
value = Convert.ToBoolean(tagValues[tagIndex]).ToString();
}
else if (object.ReferenceEquals(tagValues[tagIndex].GetType(), typeof(string)))
{
value = tagValues[tagIndex].ToString();
}
if (DataType == "Grid")
{
_hubContext.Clients.All.SendAsync("updateTagValue", new TagList {
TagId = tagNames[tagIndex], TagName = simplifyTagName(tagNames[tagIndex]), TimeStamp = tagTimeStamps[tagIndex], Value = value
});
}
if (tagNames[tagIndex] == "Random.Value")
{
_hubContext.Clients.All.SendAsync("insertChartData", new ChartData {
TagName = tagNames[tagIndex].Substring(0, tagNames[tagIndex].IndexOf(".")), TimeStamp = tagTimeStamps[tagIndex], Value = Convert.ToDouble(value)
});
_hubContext.Clients.All.SendAsync("updateGaugeValue", Convert.ToDouble(value));
}
}
}
lock (m_DataValuesHashtable.SyncRoot)
{
for (tagIndex = 0; tagIndex < numberOfTags; tagIndex++)
{
try
{
UpdateString.Append(tagTimeStamps[tagIndex].ToString("HH:mm:ss.fff") + " ");
}
catch (Exception ex)
{
UpdateString.Append("Unknown Time ");
}
UpdateString.Append(tagNames[tagIndex] + " = ");
if (tagQualities[tagIndex]) // The Tag quality is good
{
// Store value to a hashtable so you can access it from your own routines
if (m_DataValuesHashtable.Contains(tagNames[tagIndex]))
{
m_DataValuesHashtable[tagNames[tagIndex]] = tagValues[tagIndex];
}
else
{
m_DataValuesHashtable.Add(tagNames[tagIndex], tagValues[tagIndex]);
}
try
{
if (object.ReferenceEquals(tagValues[tagIndex].GetType(), typeof(double)))
{
ValueDouble = Convert.ToDouble(tagValues[tagIndex]);
UpdateString.Append(ValueDouble.ToString());
}
else if (object.ReferenceEquals(tagValues[tagIndex].GetType(), typeof(int)))
{
ValueInteger = Convert.ToInt32(tagValues[tagIndex]);
UpdateString.Append(ValueInteger.ToString());
}
else if (object.ReferenceEquals(tagValues[tagIndex].GetType(), typeof(bool)))
{
ValueBoolean = Convert.ToBoolean(tagValues[tagIndex]);
UpdateString.Append(ValueBoolean.ToString());
}
else if (object.ReferenceEquals(tagValues[tagIndex].GetType(), typeof(string)))
{
ValueString = tagValues[tagIndex].ToString();
UpdateString.Append(ValueString);
}
}
catch (Exception ex)
{
UpdateString.Append("Error");
}
}
else // The Tag quality is bad
{
// Remove the value from the hashtable so you know the value is bad from your own routines
if (m_DataValuesHashtable.Contains(tagNames[tagIndex]))
{
m_DataValuesHashtable.Remove(tagNames[tagIndex]);
}
UpdateString.Append("Bad Quality");
}
UpdateString.Append("\r" + "\n");
try
{
//foreach(var i in tagListModel)
//{
// Debug.WriteLine("TagListModel tagName: " + i.TagName);
//}
//_hubContext.Clients.All.SendAsync("updateTagValues", tagListModel);
//Debug.WriteLine(UpdateString.ToString());
UpdateString.Remove(0, UpdateString.Length);
}
catch (Exception ex)
{
}
}
}
}
m_InProcessValues = false;
}
private void TimerToProcessValues_Tick(object sender, System.EventArgs e)
{
if (m_InProcessValues)
{
return;
}
if (m_Closing)
{
return;
}
m_InProcessValues = true;
ClassTagValues[] arrTagValues = new ClassTagValues[0];
Int32 numberOfTagValues = 0;
lock (m_DataValuesQueue.SyncRoot)
{
if (m_DataValuesQueue.Count < 1)
{
m_InProcessValues = false;
return; // There is nothing to do
}
numberOfTagValues = m_DataValuesQueue.Count;
arrTagValues = new ClassTagValues[numberOfTagValues];
m_DataValuesQueue.CopyTo(arrTagValues, 0);
m_DataValuesQueue.Clear();
}
Int32 allTagValuesIndex = 0;
ClassTagValues allTagValues = null;
string[] tagNames = null;
object[] tagValues = null;
bool[] tagQualities = null;
DateTime[] tagTimeStamps = null;
Int32 tagIndex = 0;
Int32 numberOfTags = 0;
System.Text.StringBuilder UpdateString = new System.Text.StringBuilder();
double ValueDouble = 0;
int ValueInteger = 0;
bool ValueBoolean = false;
string ValueString = null;
ValueDouble = 0;
ValueInteger = 0;
ValueBoolean = false;
ValueString = "";
for (allTagValuesIndex = 0; allTagValuesIndex < numberOfTagValues; allTagValuesIndex++)
{
// Obtain arrays of tags and values from the tag values class previously stored in the OpcSystemsData_ValuesChangedAll event
allTagValues = arrTagValues[allTagValuesIndex];
tagNames = allTagValues.TagNames;
tagValues = allTagValues.Values;
tagQualities = allTagValues.Qualities;
tagTimeStamps = allTagValues.TimeStamps;
numberOfTags = tagNames.GetLength(0);
lock (m_DataValuesHashtable.SyncRoot)
{
for (tagIndex = 0; tagIndex < numberOfTags; tagIndex++)
{
try
{
UpdateString.Append(tagTimeStamps[tagIndex].ToString("HH:mm:ss.fff") + " ");
}
catch (Exception ex)
{
UpdateString.Append("Unknown Time ");
}
UpdateString.Append(tagNames[tagIndex] + " = ");
if (tagQualities[tagIndex]) // The Tag quality is good
{
// Store value to a hashtable so you can access it from your own routines
if (m_DataValuesHashtable.Contains(tagNames[tagIndex]))
{
m_DataValuesHashtable[tagNames[tagIndex]] = tagValues[tagIndex];
}
else
{
m_DataValuesHashtable.Add(tagNames[tagIndex], tagValues[tagIndex]);
}
try
{
if (object.ReferenceEquals(tagValues[tagIndex].GetType(), typeof(double)))
{
ValueDouble = Convert.ToDouble(tagValues[tagIndex]);
UpdateString.Append(ValueDouble.ToString());
}
else if (object.ReferenceEquals(tagValues[tagIndex].GetType(), typeof(int)))
{
ValueInteger = Convert.ToInt32(tagValues[tagIndex]);
UpdateString.Append(ValueInteger.ToString());
}
else if (object.ReferenceEquals(tagValues[tagIndex].GetType(), typeof(bool)))
{
ValueBoolean = Convert.ToBoolean(tagValues[tagIndex]);
UpdateString.Append(ValueBoolean.ToString());
}
else if (object.ReferenceEquals(tagValues[tagIndex].GetType(), typeof(string)))
{
ValueString = tagValues[tagIndex].ToString();
UpdateString.Append(ValueString);
}
}
catch (Exception ex)
{
UpdateString.Append("Error");
}
}
else // The Tag quality is bad
{
// Remove the value from the hashtable so you know the value is bad from your own routines
if (m_DataValuesHashtable.Contains(tagNames[tagIndex]))
{
m_DataValuesHashtable.Remove(tagNames[tagIndex]);
}
UpdateString.Append("Bad Quality");
}
UpdateString.Append("\r" + "\n");
try
{
if (!(m_Closing))
{
//if (TextBoxValues.Text.Length > (TextBoxValues.MaxLength - 100))
//{
// TextBoxValues.Text = "";
//}
//TextBoxValues.AppendText(UpdateString.ToString());
UpdateString.Remove(0, UpdateString.Length);
}
}
catch (Exception ex)
{
}
}
}
}
m_InProcessValues = false;
}
