/// <summary>
/// Create server handles for new items.
/// </summary>
private void DoRead()
{
// fetch the new trend parameters.
trendCtrl_.Update(mTrend_);
// create item (if necessary).
TsCHdaItem item = mTrend_.Items[mItem_];
if (item == null)
{
item = mTrend_.AddItem(mItem_);
}
// read data.
TsCHdaItemValueCollection[] results = mTrend_.Read(new TsCHdaItem[] { item });
if (results == null || results.Length != 1)
{
////throw new InvalidResponseException();
}
// save results.
mValues_ = results;
// display results.
valuesCtrl_.Initialize(mServer_, mValues_[0]);
}
/// <summary>
/// Create server handles for new items.
/// </summary>
private void DoRead()
{
// fetch the new trend parameters.
TrendCTRL.Update(m_trend);
// create item (if necessary).
TsCHdaItem item = m_trend.Items[m_item];
if (item == null)
{
item = m_trend.AddItem(m_item);
}
// read data.
TsCHdaItemValueCollection[] results = m_trend.Read(new TsCHdaItem[] { item });
if (results == null || results.Length != 1)
{
////throw new InvalidResponseException();
}
// save results.
m_values = results;
// display results.
ValuesCTRL.Initialize(m_server, m_values[0]);
}
/// <summary>
/// Creates a server handle for the selected item and reads the data.
/// </summary>
private void DoItemRead()
{
// create item (if necessary).
TsCHdaItem item = m_trend.Items[m_item];
if (item == null)
{
item = m_trend.AddItem(m_item);
}
// get request parameters from controls.
TrendCTRL.Update(m_trend);
if (m_synchronous)
{
// read data.
TsCHdaAnnotationValueCollection[] results = m_trend.ReadAnnotations(new TsCHdaItem[] { item });
if (results == null || results.Length != 1)
{
////throw new InvalidResponseException();
}
// display results.
ItemsCTRL.Initialize(results);
// save results.
m_results = results;
}
else
{
// check if already waiting for results.
if (m_asyncSent)
{
return;
}
// begin read data.
OpcItemResult[] results = m_trend.ReadAnnotations(
new TsCHdaItem[] { item },
null,
new TsCHdaReadAnnotationsCompleteEventHandler(OnReadComplete),
out m_request);
if (results == null || results.Length != 1)
{
////throw new InvalidResponseException();
}
// display initial results.
AsyncResultsCTRL.Initialize(m_server, results);
m_asyncSent = true;
}
}
/// <summary>
/// Creates a server handle for the selected item and reads the data.
/// </summary>
private void DoItemRead()
{
// create item (if necessary).
TsCHdaItem item = mTrend_.Items[mItem_];
if (item == null)
{
item = mTrend_.AddItem(mItem_);
}
// get request parameters from controls.
trendCtrl_.Update(mTrend_);
if (mSynchronous_)
{
// read data.
TsCHdaAnnotationValueCollection[] results = mTrend_.ReadAnnotations(new TsCHdaItem[] { item });
if (results == null || results.Length != 1)
{
////throw new InvalidResponseException();
}
// display results.
itemsCtrl_.Initialize(results);
// save results.
mResults_ = results;
}
else
{
// check if already waiting for results.
if (mAsyncSent_)
{
return;
}
// begin read data.
OpcItemResult[] results = mTrend_.ReadAnnotations(
new TsCHdaItem[] { item },
null,
new TsCHdaReadAnnotationsCompleteEventHandler(OnReadComplete),
out mRequest_);
if (results == null || results.Length != 1)
{
////throw new InvalidResponseException();
}
// display initial results.
asyncResultsCtrl_.Initialize(mServer_, results);
mAsyncSent_ = true;
}
}
/// <summary>
/// Creates a server handle for the selected item and reads the data.
/// </summary>
private void DoItemDelete()
{
// create item (if necessary).
TsCHdaItem item = m_trend.Items[m_item];
if (item == null)
{
item = m_trend.AddItem(m_item);
}
if (m_synchronous)
{
// delete data.
TsCHdaResultCollection[] results = SyncDelete(new TsCHdaItem[] { item });
if (results == null || results.Length != 1)
{
////throw new InvalidResponseException();
}
// display results.
ItemsCTRL.Initialize(results);
// save results.
m_results = results;
}
else
{
// check if already waiting for results.
if (m_asyncSent)
{
return;
}
// begin delete data.
OpcItemResult[] results = AsyncDelete(new TsCHdaItem[] { item });
if (results == null || results.Length != 1)
{
////throw new InvalidResponseException();
}
// display initial results.
AsyncResultsCTRL.Initialize(m_server, results);
m_asyncSent = true;
}
}
/// <summary>
/// Creates a server handle for the selected item and reads the data.
/// </summary>
private void DoItemDelete()
{
// create item (if necessary).
TsCHdaItem item = mTrend_.Items[mItem_];
if (item == null)
{
item = mTrend_.AddItem(mItem_);
}
if (mSynchronous_)
{
// delete data.
TsCHdaResultCollection[] results = SyncDelete(new TsCHdaItem[] { item });
if (results == null || results.Length != 1)
{
////throw new InvalidResponseException();
}
// display results.
itemsCtrl_.Initialize(results);
// save results.
mResults_ = results;
}
else
{
// check if already waiting for results.
if (mAsyncSent_)
{
return;
}
// begin delete data.
OpcItemResult[] results = AsyncDelete(new TsCHdaItem[] { item });
if (results == null || results.Length != 1)
{
////throw new InvalidResponseException();
}
// display initial results.
asyncResultsCtrl_.Initialize(mServer_, results);
mAsyncSent_ = true;
}
}
/// <summary>
/// Updates the values of the item.
/// </summary>
private void DoInsert()
{
// get the values to insert/replace.
mValues_ = new TsCHdaItemValueCollection[] { valuesCtrl_.GetValues() };
// check if there is nothing to do.
if (mValues_[0] == null || mValues_[0].Count == 0)
{
return;
}
// create item (if necessary).
TsCHdaItem item = mTrend_.Items[mItem_];
if (item == null)
{
item = mTrend_.AddItem(mItem_);
}
// add the item identifier information to the collection.
mValues_[0].ItemName = item.ItemName;
mValues_[0].ItemPath = item.ItemPath;
mValues_[0].ServerHandle = item.ServerHandle;
mValues_[0].ClientHandle = item.ClientHandle;
if (mSynchronous_)
{
// insert data.
TsCHdaResultCollection[] results = mServer_.Insert(mValues_, mReplace_);
if (results == null || results.Length != 1)
{
////throw new InvalidResponseException();
}
// display results.
resultsCtrl_.Initialize(mServer_, mValues_, results);
// save results.
mResults_ = results;
}
else
{
// check if already waiting for results.
if (mAsyncSent_)
{
return;
}
// begin insert data.
OpcItemResult[] results = mServer_.Insert(
mValues_,
mReplace_,
null,
new TsCHdaUpdateCompleteEventHandler(OnUpdateComplete),
out mRequest_);
if (results == null || results.Length != 1)
{
////throw new InvalidResponseException();
}
// display initial results.
asyncResultsCtrl_.Initialize(mServer_, results);
mAsyncSent_ = true;
}
}
/// <summary>
/// Creates a server handle for the selected item and reads the data.
/// </summary>
private void DoItemRead()
{
// get the attribute ids.
if (m_attributeIDs == null)
{
m_attributeIDs = AttributesCTRL.GetAttributeIDs(true);
return;
}
// create item (if necessary).
TsCHdaItem item = m_trend.Items[m_item];
if (item == null)
{
item = m_trend.AddItem(m_item);
}
// get the paramaters.
TrendCTRL.Update(m_trend);
// get the attributes.
m_attributeIDs = AttributesCTRL.GetAttributeIDs(true);
if (m_synchronous)
{
// read data.
TsCHdaItemAttributeCollection results = m_trend.ReadAttributes(item, m_attributeIDs);
if (results == null || results.Count != m_attributeIDs.Length)
{
////throw new InvalidResponseException();
}
// display results.
ResultsCTRL.Initialize(m_server, results);
// save results.
m_results = results;
}
else
{
// check if already waiting for results.
if (m_asyncSent)
{
return;
}
// begin read data.
TsCHdaResultCollection results = m_trend.ReadAttributes(
item,
m_attributeIDs,
null,
new TsCHdaReadAttributesCompleteEventHandler(OnReadComplete),
out m_request);
if (results == null || results.Count != m_attributeIDs.Length)
{
////throw new InvalidResponseException();
}
// display initial results.
AsyncResultsCTRL.Initialize(m_server, m_attributeIDs, results);
m_asyncSent = true;
}
}
public void Run()
{
try
{
const string serverUrl = "opchda://localhost/OPCSample.OpcHdaServer";
Console.WriteLine();
Console.WriteLine("Simple OPC HDA Client based on the OPC DA/AE/HDA Solution .NET");
Console.WriteLine("--------------------------------------------------------------");
Console.Write(" Press <Enter> to connect to "); Console.WriteLine(serverUrl);
Console.ReadLine();
Console.WriteLine(" Please wait...");
TsCHdaServer myHdaServer = new TsCHdaServer();
myHdaServer.Connect(serverUrl);
Console.WriteLine(" Connected, press <Enter> to add a trend.");
Console.ReadLine();
// Add a trend and set the properties for reading
TsCHdaTrend trend = new TsCHdaTrend(myHdaServer)
{
StartTime = new TsCHdaTime(new DateTime(2004, 01, 01, 00, 00, 00)), EndTime = new TsCHdaTime(new DateTime(2004, 01, 01, 06, 00, 00)), IncludeBounds = true, MaxValues = 1000
};
OpcItem itemId = new OpcItem("Static Data/Ramp [15 min]");
trend.Timestamps.Add(new DateTime(2016, 01, 01, 00, 00, 00));
trend.ReadRaw(new OpcItem[] { trend.AddItem(itemId) }, null, OnReadComplete, out _);
// read the historic data of the specified item
TsCHdaItemValueCollection[] items = trend.ReadRaw(new[] { trend.AddItem(itemId) });
foreach (TsCHdaItemValueCollection item in items)
{
Console.WriteLine($"{item.ItemName}");
foreach (TsCHdaItemValue val in item)
{
if ((val.Quality.GetCode() & (int)TsDaQualityMasks.QualityMask) != (int)TsDaQualityBits.Good)
{
Console.WriteLine($" {val.Timestamp}, {val.Quality}");
}
else
{
Console.WriteLine($" {val.Timestamp}, {val.Value}");
}
}
}
trend.Timestamps.Add(new DateTime(2016, 01, 01, 00, 00, 00));
items = trend.ReadAtTime(new[] { trend.AddItem(itemId) });
foreach (TsCHdaItemValueCollection item in items)
{
Console.WriteLine($"{item.ItemName}");
foreach (TsCHdaItemValue val in item)
{
if ((val.Quality.GetCode() & (int)TsDaQualityMasks.QualityMask) != (int)TsDaQualityBits.Good)
{
Console.WriteLine($" {val.Timestamp}, {val.Quality}");
}
else
{
Console.WriteLine($" {val.Timestamp}, {val.Value}");
}
}
}
Console.WriteLine(" Historical Data Trend read, press <Enter> to disconnect from the server.");
myHdaServer.Disconnect();
myHdaServer.Dispose();
Console.ReadLine();
Console.WriteLine(" Disconnected from the server.");
Console.WriteLine();
}
catch (OpcResultException e)
{
Console.WriteLine(" " + e.Message);
Console.ReadLine();
}
catch (Exception e)
{
Console.WriteLine(" " + e.Message);
Console.ReadLine();
}
}
/// <summary>
/// Creates a server handle for the selected item and reads the data.
/// </summary>
private void DoItemRead()
{
// get the attribute ids.
if (mAttributeIDs_ == null)
{
mAttributeIDs_ = attributesCtrl_.GetAttributeIDs(true);
return;
}
// create item (if necessary).
TsCHdaItem item = mTrend_.Items[mItem_];
if (item == null)
{
item = mTrend_.AddItem(mItem_);
}
// get the paramaters.
trendCtrl_.Update(mTrend_);
// get the attributes.
mAttributeIDs_ = attributesCtrl_.GetAttributeIDs(true);
if (mSynchronous_)
{
// read data.
TsCHdaItemAttributeCollection results = mTrend_.ReadAttributes(item, mAttributeIDs_);
if (results == null || results.Count != mAttributeIDs_.Length)
{
////throw new InvalidResponseException();
}
// display results.
resultsCtrl_.Initialize(mServer_, results);
// save results.
mResults_ = results;
}
else
{
// check if already waiting for results.
if (mAsyncSent_)
{
return;
}
// begin read data.
TsCHdaResultCollection results = mTrend_.ReadAttributes(
item,
mAttributeIDs_,
null,
new TsCHdaReadAttributesCompleteEventHandler(OnReadComplete),
out mRequest_);
if (results == null || results.Count != mAttributeIDs_.Length)
{
////throw new InvalidResponseException();
}
// display initial results.
asyncResultsCtrl_.Initialize(mServer_, mAttributeIDs_, results);
mAsyncSent_ = true;
}
}
/// <summary>
/// Updates the values of the item.
/// </summary>
private void DoInsert()
{
// get the values to insert/replace.
m_values = new TsCHdaItemValueCollection[] { ValuesCTRL.GetValues() };
// check if there is nothing to do.
if (m_values[0] == null || m_values[0].Count == 0)
{
return;
}
// create item (if necessary).
TsCHdaItem item = m_trend.Items[m_item];
if (item == null)
{
item = m_trend.AddItem(m_item);
}
// add the item identifier information to the collection.
m_values[0].ItemName = item.ItemName;
m_values[0].ItemPath = item.ItemPath;
m_values[0].ServerHandle = item.ServerHandle;
m_values[0].ClientHandle = item.ClientHandle;
if (m_synchronous)
{
// insert data.
TsCHdaResultCollection[] results = m_server.Insert(m_values, m_replace);
if (results == null || results.Length != 1)
{
////throw new InvalidResponseException();
}
// display results.
ResultsCTRL.Initialize(m_server, m_values, results);
// save results.
m_results = results;
}
else
{
// check if already waiting for results.
if (m_asyncSent)
{
return;
}
// begin insert data.
OpcItemResult[] results = m_server.Insert(
m_values,
m_replace,
null,
new TsCHdaUpdateCompleteEventHandler(OnUpdateComplete),
out m_request);
if (results == null || results.Length != 1)
{
////throw new InvalidResponseException();
}
// display initial results.
AsyncResultsCTRL.Initialize(m_server, results);
m_asyncSent = true;
}
}
///////////////////////////////////////////////////////////////////////
#region OPC Sample Functionality
void DoOPCCalls()
{
try
{
const string serverUrl = "opchda://localhost/OPCSample.OpcHdaServer";
Console.WriteLine();
Console.WriteLine("Simple OPC HDA Client based on the OPC DA/AE/HDA Client SDK .NET");
Console.WriteLine("----------------------------------------------------------------");
Console.Write(" Press <Enter> to connect to "); Console.WriteLine(serverUrl);
Console.ReadLine();
Console.WriteLine(" Please wait...");
//OpcBase.ValidateLicense("License Key");
TsCHdaServer myHdaServer = new TsCHdaServer();
myHdaServer.Connect(serverUrl);
Console.WriteLine(" Connected, press <Enter> to add a trend.");
Console.ReadLine();
// Add a trend and set the properties for reading
TsCHdaTrend trend = new TsCHdaTrend(myHdaServer)
{
StartTime = new TsCHdaTime(new DateTime(2004, 01, 01, 00, 00, 00)), EndTime = new TsCHdaTime(new DateTime(2004, 01, 01, 06, 00, 00)), IncludeBounds = true, MaxValues = 1000
};
OpcItem itemID = new OpcItem("Static Data/Ramp [15 min]");
trend.Timestamps.Add(new DateTime(2016, 01, 01, 00, 00, 00));
OpcItemResult[] results = null;
IOpcRequest request = null;
results = trend.ReadRaw(new TsCHdaItem[] { trend.AddItem(itemID) }, null, new TsCHdaReadValuesCompleteEventHandler(OnReadComplete), out request);
// read the historic data of the specified item
TsCHdaItemValueCollection[] items = trend.ReadRaw(new TsCHdaItem[] { trend.AddItem(itemID) });
foreach (TsCHdaItemValueCollection item in items)
{
Console.WriteLine(String.Format("{0}", item.ItemName));
foreach (TsCHdaItemValue val in item)
{
if (((int)val.Quality.GetCode() & (int)TsDaQualityMasks.QualityMask) != (int)TsDaQualityBits.Good)
{
Console.WriteLine(string.Format(" {0}, {1}", val.Timestamp, val.Quality));
}
else
{
Console.WriteLine(string.Format(" {0}, {1}", val.Timestamp, val.Value.ToString()));
}
}
}
trend.Timestamps.Add(new DateTime(2016, 01, 01, 00, 00, 00));
items = trend.ReadAtTime(new TsCHdaItem[] { trend.AddItem(itemID) });
foreach (TsCHdaItemValueCollection item in items)
{
Console.WriteLine(String.Format("{0}", item.ItemName));
foreach (TsCHdaItemValue val in item)
{
if (((int)val.Quality.GetCode() & (int)TsDaQualityMasks.QualityMask) != (int)TsDaQualityBits.Good)
{
Console.WriteLine(string.Format(" {0}, {1}", val.Timestamp, val.Quality));
}
else
{
Console.WriteLine(string.Format(" {0}, {1}", val.Timestamp, val.Value.ToString()));
}
}
}
Console.WriteLine(" Historical Data Trend read, press <Enter> to disconnect from the server.");
myHdaServer.Disconnect();
myHdaServer.Dispose();
Console.ReadLine();
Console.WriteLine(" Disconnected from the server.");
Console.WriteLine();
}
catch (OpcResultException e)
{
Console.WriteLine(" " + e.Message);
Console.ReadLine();
return;
}
catch (Exception e)
{
Console.WriteLine(" " + e.Message);
Console.ReadLine();
return;
}
}
