/// <summary>
/// Writes the value
/// </summary>
private Variant WriteValue(Session session, NodeId nodeId)
{
// cast the value to a string.
object value = TypeInfo.Cast(ValueTB.Text, TypeInfo.Scalars.String, m_sourceType.BuiltInType);
// build list of attributes to read.
WriteValueCollection nodesToWrite = new WriteValueCollection();
WriteValue nodeToWrite = new WriteValue();
nodeToWrite.NodeId = nodeId;
nodeToWrite.AttributeId = Attributes.Value;
// using the WrappedValue instead of the Value property because we know the TypeInfo.
// this makes the assignment more efficient by avoiding reflection to determine type.
nodeToWrite.Value.WrappedValue = new Variant(value, m_sourceType);
nodesToWrite.Add(nodeToWrite);
// override the diagnostic masks (other parameters are set to defaults).
RequestHeader requestHeader = new RequestHeader();
requestHeader.ReturnDiagnostics = (uint)DiagnosticsMasks.All;
// read the attributes.
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
ResponseHeader responseHeader = session.Write(
requestHeader,
nodesToWrite,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, nodesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, nodesToWrite);
// check status.
if (StatusCode.IsBad(results[0]))
{
// embed the diagnostic information in a exception.
throw ServiceResultException.Create(results[0], 0, diagnosticInfos, responseHeader.StringTable);
}
// return valid value.
return nodeToWrite.Value.WrappedValue;
}
private void ChangeLogFileBTN_Click(object sender, EventArgs e)
{
if (m_session == null)
{
return;
}
try
{
// want to get error text for this call.
m_session.ReturnDiagnostics = DiagnosticsMasks.All;
WriteValue value = new WriteValue();
value.NodeId = m_logFileNodeId;
value.AttributeId = Attributes.Value;
value.Value.Value = LogFilePathTB.Text;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(value);
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
ResponseHeader responseHeader = m_session.Write(
null,
valuesToWrite,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, valuesToWrite);
if (StatusCode.IsBad(results[0]))
{
throw ServiceResultException.Create(results[0], 0, diagnosticInfos, responseHeader.StringTable);
}
}
catch (Exception exception)
{
ClientUtils.HandleException(this.Text, exception);
}
finally
{
m_session.ReturnDiagnostics = DiagnosticsMasks.None;
}
}
/// <summary>
/// Write a list of nodes to the Server
/// </summary>
public void WriteNodes()
{
if (m_session == null || m_session.Connected == false)
{
Console.WriteLine("Session not connected!");
return;
}
try
{
// Write the configured nodes
WriteValueCollection nodesToWrite = new WriteValueCollection();
// Int32 Node - Objects\CTT\Scalar\Scalar_Static\Int32
WriteValue intWriteVal = new WriteValue();
intWriteVal.NodeId = new NodeId("ns=2;s=Scalar_Static_Int32");
intWriteVal.AttributeId = Attributes.Value;
intWriteVal.Value = new DataValue();
intWriteVal.Value.Value = (int)100;
nodesToWrite.Add(intWriteVal);
// Float Node - Objects\CTT\Scalar\Scalar_Static\Float
WriteValue floatWriteVal = new WriteValue();
floatWriteVal.NodeId = new NodeId("ns=2;s=Scalar_Static_Float");
floatWriteVal.AttributeId = Attributes.Value;
floatWriteVal.Value = new DataValue();
floatWriteVal.Value.Value = (float)100.5;
nodesToWrite.Add(floatWriteVal);
// String Node - Objects\CTT\Scalar\Scalar_Static\String
WriteValue stringWriteVal = new WriteValue();
stringWriteVal.NodeId = new NodeId("ns=2;s=Scalar_Static_String");
stringWriteVal.AttributeId = Attributes.Value;
stringWriteVal.Value = new DataValue();
stringWriteVal.Value.Value = "String Test";
nodesToWrite.Add(stringWriteVal);
// Write the node attributes
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos;
Console.WriteLine("Writing nodes...");
// Call Write Service
m_session.Write(null,
nodesToWrite,
out results,
out diagnosticInfos);
// Validate the response
ClientBase.ValidateResponse(results, nodesToWrite);
// Display the results.
Console.WriteLine("Write Results :");
foreach (StatusCode writeResult in results)
{
Console.WriteLine(" {0}", writeResult);
}
}
catch (Exception ex)
{
// Log Error
string logMessage = String.Format("Write Nodes Error : {0}.", ex.Message);
Console.WriteLine(logMessage);
}
}
private void UpdateBTN_Click(object sender, EventArgs e)
{
try
{
WriteValue nodeToWrite = new WriteValue();
nodeToWrite.NodeId = m_variableId;
nodeToWrite.AttributeId = Attributes.Value;
nodeToWrite.Value = new DataValue();
nodeToWrite.Value.WrappedValue = GetValue();
WriteValueCollection nodesToWrite = new WriteValueCollection();
nodesToWrite.Add(nodeToWrite);
// read the attributes.
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
ResponseHeader responseHeader = m_session.Write(
null,
nodesToWrite,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, nodesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, nodesToWrite);
// check for error.
if (StatusCode.IsBad(results[0]))
{
throw ServiceResultException.Create(results[0], 0, diagnosticInfos, responseHeader.StringTable);
}
}
catch (Exception exception)
{
ClientUtils.HandleException(this.Text, exception);
}
}
/// <summary>
/// Handles a write operation.
/// </summary>
protected override void Write(
ServerSystemContext context,
IList<WriteValue> nodesToWrite,
IList<ServiceResult> errors,
List<NodeHandle> nodesToValidate,
IDictionary<NodeId, NodeState> cache)
{
WriteValueCollection requests = new WriteValueCollection();
List<int> indexes = new List<int>();
// validates the nodes and constructs requests for external nodes.
for (int ii = 0; ii < nodesToValidate.Count; ii++)
{
WriteValue nodeToWrite = nodesToWrite[ii];
NodeHandle handle = nodesToValidate[ii];
lock (Lock)
{
// validate node.
NodeState source = ValidateNode(context, handle, cache);
if (source == null)
{
continue;
}
// determine if a local node.
if (PredefinedNodes.ContainsKey(source.NodeId))
{
// write the attribute value.
errors[handle.Index] = source.WriteAttribute(
context,
nodeToWrite.AttributeId,
nodeToWrite.ParsedIndexRange,
nodeToWrite.Value);
// updates to source finished - report changes to monitored items.
source.ClearChangeMasks(context, false);
}
WriteValue request = (WriteValue)nodeToWrite.Clone();
request.NodeId = m_mapper.ToRemoteId(nodeToWrite.NodeId);
request.Value.WrappedValue = m_mapper.ToRemoteVariant(nodeToWrite.Value.WrappedValue);
requests.Add(request);
indexes.Add(ii);
}
}
// send request to external system.
try
{
Opc.Ua.Client.Session client = GetClientSession(context);
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
ResponseHeader responseHeader = client.Write(
null,
requests,
out results,
out diagnosticInfos);
// these do sanity checks on the result - make sure response matched the request.
ClientBase.ValidateResponse(results, requests);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, requests);
// set results.
for (int ii = 0; ii < requests.Count; ii++)
{
errors[indexes[ii]] = ServiceResult.Good;
if (results[ii] != StatusCodes.Good)
{
errors[indexes[ii]] = new ServiceResult(results[ii], ii, diagnosticInfos, responseHeader.StringTable);
}
}
}
catch (Exception e)
{
// handle unexpected communication error.
ServiceResult error = ServiceResult.Create(e, StatusCodes.BadUnexpectedError, "Could not access external system.");
for (int ii = 0; ii < requests.Count; ii++)
{
errors[indexes[ii]] = error;
}
}
}
/// <summary>
/// Parses the value and writes it to server. Closes the dialog if successful.
/// </summary>
private void OkBTN_Click(object sender, EventArgs e)
{
try
{
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = m_nodeId;
valueToWrite.AttributeId = m_attributeId;
valueToWrite.Value.Value = ChangeType();
valueToWrite.Value.StatusCode = StatusCodes.Good;
valueToWrite.Value.ServerTimestamp = DateTime.MinValue;
valueToWrite.Value.SourceTimestamp = DateTime.MinValue;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(valueToWrite);
// write current value.
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
m_session.Write(
null,
valuesToWrite,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, valuesToWrite);
if (StatusCode.IsBad(results[0]))
{
throw new ServiceResultException(results[0]);
}
DialogResult = DialogResult.OK;
}
catch (Exception exception)
{
ClientUtils.HandleException("Error Writing Value", exception);
}
}
/// <summary>
/// Removes nodes that are not actually writeable.
/// </summary>
private void InitialWrite()
{
WriteValueCollection nodesToWrite = new WriteValueCollection();
lock (m_variables)
{
for (int ii = 0; ii < m_variables.Count; ii++)
{
TestVariable variable = m_variables[ii];
WriteValue nodeToWrite = new WriteValue();
nodeToWrite.NodeId = variable.Variable.NodeId;
nodeToWrite.AttributeId = Attributes.Value;
DataValue value = new DataValue();
if (!m_useDeadbandValues)
{
bool different = false;
do
{
value.Value = m_generator.GetRandom(
variable.Variable.DataType,
variable.Variable.ValueRank,
variable.Variable.ArrayDimensions,
Session.TypeTree);
if (variable.EURange != null)
{
value.Value = EnsureInRange(value.Value, variable.Variable, variable.EURange);
}
different = true;
for (int jj = variable.Values.Count - 1; jj >= 0; jj--)
{
if (m_comparer.CompareVariant(value.WrappedValue, variable.Values[jj].WrappedValue))
{
different = false;
break;
}
if (variable.DataType == BuiltInType.Boolean)
{
break;
}
}
}
while (!different);
}
else
{
value.Value = IncrementValue(variable, m_deadbandCounter);
}
value.StatusCode = StatusCodes.Good;
value.ServerTimestamp = DateTime.MinValue;
value.SourceTimestamp = DateTime.MinValue;
nodeToWrite.Value = value;
nodeToWrite.Handle = variable.Values.Count;
nodesToWrite.Add(nodeToWrite);
variable.Values.Add(value);
variable.Timestamps.Add(DateTime.MinValue);
}
}
StatusCodeCollection results;
DiagnosticInfoCollection diagnosticInfos;
DateTime now = DateTime.UtcNow;
RequestHeader requestHeader = new RequestHeader();
requestHeader.ReturnDiagnostics = 0;
// need to check if the test completes and the next one starts while the write is in progress.
ResponseHeader responseHeader = Session.Write(
requestHeader,
nodesToWrite,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, nodesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, nodesToWrite);
// check diagnostics.
if (diagnosticInfos != null && diagnosticInfos.Count > 0)
{
Log("Returned non-empty DiagnosticInfos array during Write.");
return;
}
// check results.
lock (m_variables)
{
List<TestVariable> writeableVariables = new List<TestVariable>();
for (int ii = 0; ii < nodesToWrite.Count; ii++)
{
if (StatusCode.IsGood(results[ii]))
{
m_variables[ii].WriteError = false;
writeableVariables.Add(m_variables[ii]);
}
}
m_variables.Clear();
m_variables.AddRange(writeableVariables);
}
}
/// <summary>
/// Adds random values to write.
/// </summary>
private void AddWriteValues(
TestVariable variable,
WriteValueCollection nodesToWrite)
{
WriteValue nodeToWrite = new WriteValue();
nodeToWrite.NodeId = variable.Variable.NodeId;
nodeToWrite.AttributeId = Attributes.Value;
DataValue value = new DataValue();
value.Value = m_generator.GetRandom(
variable.Variable.DataType,
variable.Variable.ValueRank,
variable.Variable.ArrayDimensions,
Session.TypeTree);
value.StatusCode = StatusCodes.Good;
value.ServerTimestamp = DateTime.MinValue;
value.SourceTimestamp = DateTime.MinValue;
variable.Values.Add(value);
nodeToWrite.Value = value;
nodeToWrite.Handle = variable;
nodesToWrite.Add(nodeToWrite);
}
/// <summary>
/// IOPCSyncIO::Write - Writes values to one or more items in a group.
/// </summary>
public void Write(
int dwCount,
int[] phServer,
object[] pItemValues,
out System.IntPtr ppErrors)
{
// validate arguments.
if (dwCount == 0 || phServer == null || pItemValues == null || dwCount != phServer.Length || dwCount != pItemValues.Length)
{
throw ComUtils.CreateComException(ResultIds.E_INVALIDARG);
}
try
{
int[] errors = new int[dwCount];
// build list of values to write.
WriteValueCollection valuesToWrite = new WriteValueCollection();
lock (m_lock)
{
if (m_subscription == null) throw ComUtils.CreateComException(ResultIds.E_FAIL);
for (int ii = 0; ii < dwCount; ii++)
{
Item itemToWrite = null;
if (!m_items.TryGetValue(phServer[ii], out itemToWrite))
{
errors[ii] = ResultIds.E_INVALIDHANDLE;
continue;
}
VariableNode variable = itemToWrite.Variable;
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = variable.NodeId;
valueToWrite.IndexRange = null;
valueToWrite.AttributeId = Attributes.Value;
DataValue value = new DataValue();
int error = 0;
value.Value = m_server.VariantValueToValue(variable, pItemValues[ii], out error);
if (error != ResultIds.S_OK)
{
errors[ii] = error;
continue;
}
valueToWrite.Value = value;
// needed to correlate results to input.
valueToWrite.Handle = ii;
valuesToWrite.Add(valueToWrite);
}
}
// write values from server.
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
if (valuesToWrite.Count > 0)
{
m_session.Write(
null,
valuesToWrite,
out results,
out diagnosticInfos);
// validate response from the UA server.
ClientBase.ValidateResponse(results, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, valuesToWrite);
//Utils.Trace(
// "SyncWrite: GroupHandle={0}, ServerHandle={1}, Value={2}",
// m_clientHandle,
// phServer[0],
// valuesToWrite[0].Value.WrappedValue);
}
for (int ii = 0; ii < valuesToWrite.Count; ii++)
{
// get index in original array.
int index = (int)valuesToWrite[ii].Handle;
// map UA code to DA code.
errors[index] = Server.MapWriteStatusToErrorCode(results[ii]);
}
// marshal error codes.
ppErrors = ComUtils.GetInt32s(errors);
}
catch (Exception e)
{
Utils.Trace(e, "Error writing items.");
throw ComUtils.CreateComException(e);
}
}
/// <summary>
/// Writes the values for the specified item ids.
/// </summary>
/// <param name="itemIds">The item ids.</param>
/// <param name="values">The values.</param>
/// <returns>The results.</returns>
public int[] Write(string[] itemIds, DaValue[] values)
{
int[] results = new int[itemIds.Length];
WriteValueCollection valuesToWrite = new WriteValueCollection();
ComDaReadPropertiesRequest[] requests = new ComDaReadPropertiesRequest[values.Length];
// prepare request.
for (int ii = 0; ii < itemIds.Length; ii++)
{
ComDaReadPropertiesRequest request = requests[ii] = new ComDaReadPropertiesRequest();
request.ItemId = itemIds[ii];
}
// need to get the data type of the remote node.
m_browseManager.GetPropertyValues(Session, requests, PropertyIds.UaBuiltInType, PropertyIds.UaValueRank);
// validate items.
for (int ii = 0; ii < requests.Length; ii++)
{
ComDaReadPropertiesRequest request = requests[ii];
if (request.Error < 0)
{
results[ii] = request.Error;
continue;
}
int?builtInType = request.Values[0].Value as int?;
int?valueRank = request.Values[1].Value as int?;
if (builtInType == null || valueRank == null)
{
results[ii] = ResultIds.E_UNKNOWNITEMID;
continue;
}
// convert value to UA data type.
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = m_mapper.GetRemoteNodeId(itemIds[ii]);
valueToWrite.AttributeId = Attributes.Value;
valueToWrite.Handle = ii;
// convert value to UA data type.
try
{
TypeInfo remoteType = new TypeInfo((BuiltInType)builtInType.Value, valueRank.Value);
valueToWrite.Value = m_mapper.GetRemoteDataValue(values[ii], remoteType);
}
catch (Exception e)
{
results[ii] = ComUtils.GetErrorCode(e, ResultIds.E_BADTYPE);
continue;
}
valuesToWrite.Add(valueToWrite);
}
// check if nothing to do.
if (valuesToWrite.Count == 0)
{
return(results);
}
// write the values to the server.
int[] remoteResults = m_groupManager.Write(valuesToWrite);
// copy results.
for (int ii = 0; ii < valuesToWrite.Count; ii++)
{
results[(int)valuesToWrite[ii].Handle] = remoteResults[ii];
}
return(results);
}
private void button1_Click(object sender, EventArgs e)
{
try
{
int[] arr = { 1, 2 };
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = "ns=3;s=Actual_Mould";
valueToWrite.AttributeId = Attributes.Value;
if (comboBox1.SelectedIndex == 0)
{
valueToWrite.Value.Value = arr[0];
}
else if (comboBox1.SelectedIndex == 1)
{
valueToWrite.Value.Value = arr[1];
}
valueToWrite.Value.StatusCode = StatusCodes.Good;
valueToWrite.Value.ServerTimestamp = DateTime.MinValue;
valueToWrite.Value.SourceTimestamp = DateTime.MinValue;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(valueToWrite);
// write current value.
StatusCodeCollection results2 = null;
DiagnosticInfoCollection diagnosticInfos2 = null;
m_session.Write(
null,
valuesToWrite,
out results2,
out diagnosticInfos2);
ClientBase.ValidateResponse(results2, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos2, valuesToWrite);
if (StatusCode.IsBad(results2[0]))
{
throw new ServiceResultException(results2[0]);
}
}
catch (Exception exception)
{
ClientUtils.HandleException("Error Writing Value", exception);
}
//Start the production of the piece
DataValueCollection results = Read_Value("ns=3;s=Start_Piece");
bool Start_PieceValue = (bool)results[0].Value;
try
{
bool[] arr = { true, false };
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = "ns=3;s=Start_Piece";
valueToWrite.AttributeId = Attributes.Value;
if (Start_PieceValue)
{
valueToWrite.Value.Value = arr[1];
}
else
{
valueToWrite.Value.Value = arr[0];
}
valueToWrite.Value.StatusCode = StatusCodes.Good;
valueToWrite.Value.ServerTimestamp = DateTime.MinValue;
valueToWrite.Value.SourceTimestamp = DateTime.MinValue;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(valueToWrite);
// write current value.
StatusCodeCollection results2 = null;
DiagnosticInfoCollection diagnosticInfos2 = null;
m_session.Write(
null,
valuesToWrite,
out results2,
out diagnosticInfos2);
ClientBase.ValidateResponse(results2, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos2, valuesToWrite);
if (StatusCode.IsBad(results2[0]))
{
throw new ServiceResultException(results2[0]);
}
}
catch (Exception exception)
{
ClientUtils.HandleException("Error Writing Value", exception);
}
//Disable Start Piece button until piece is made
button1.Enabled = false;
//Assign a Serial Number to the pieces
if (comboBox1.SelectedIndex == 0)
{
try
{
int arr = Piece_SN_Value + 1;
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = "ns=3;s=Piece_SN";
valueToWrite.AttributeId = Attributes.Value;
valueToWrite.Value.Value = arr;
valueToWrite.Value.StatusCode = StatusCodes.Good;
valueToWrite.Value.ServerTimestamp = DateTime.MinValue;
valueToWrite.Value.SourceTimestamp = DateTime.MinValue;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(valueToWrite);
// write current value.
StatusCodeCollection results2 = null;
DiagnosticInfoCollection diagnosticInfos2 = null;
m_session.Write(
null,
valuesToWrite,
out results2,
out diagnosticInfos2);
ClientBase.ValidateResponse(results2, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos2, valuesToWrite);
if (StatusCode.IsBad(results2[0]))
{
throw new ServiceResultException(results2[0]);
}
}
catch (Exception exception)
{
ClientUtils.HandleException("Error Writing Value", exception);
}
DataValueCollection results1 = Read_Value("ns=3;s=Piece_SN");
Piece_SN_Value = (int)results1[0].Value;
}
else if (comboBox1.SelectedIndex == 1)
{
try
{
int arr = Piece_SN_Value + 1;
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = "ns=3;s=Piece_SN";
valueToWrite.AttributeId = Attributes.Value;
valueToWrite.Value.Value = arr;
valueToWrite.Value.StatusCode = StatusCodes.Good;
valueToWrite.Value.ServerTimestamp = DateTime.MinValue;
valueToWrite.Value.SourceTimestamp = DateTime.MinValue;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(valueToWrite);
// write current value.
StatusCodeCollection results2 = null;
DiagnosticInfoCollection diagnosticInfos2 = null;
m_session.Write(
null,
valuesToWrite,
out results2,
out diagnosticInfos2);
ClientBase.ValidateResponse(results2, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos2, valuesToWrite);
if (StatusCode.IsBad(results2[0]))
{
throw new ServiceResultException(results2[0]);
}
}
catch (Exception exception)
{
ClientUtils.HandleException("Error Writing Value", exception);
}
DataValueCollection results1 = Read_Value("ns=3;s=Piece_SN");
Piece_SN_Value = (int)results1[0].Value;
}
label6.Text = Piece_SN_Value.ToString();
//Read the value of the Serial Number of the Machine
DataValueCollection results4 = Read_Value("ns=3;s=Machine_SN");
string Machine_SN_Value = (string)results4[0].Value;
//Read the value of the Serial Number of the Mould
if (comboBox1.SelectedIndex == 0)
{
results3 = Read_Value("ns=3;s=Mould_1_SN");
try
{
int arr = 1;
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = "ns=3;s=Actual_Mould";
valueToWrite.AttributeId = Attributes.Value;
valueToWrite.Value.Value = arr;
valueToWrite.Value.StatusCode = StatusCodes.Good;
valueToWrite.Value.ServerTimestamp = DateTime.MinValue;
valueToWrite.Value.SourceTimestamp = DateTime.MinValue;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(valueToWrite);
// write current value.
StatusCodeCollection results2 = null;
DiagnosticInfoCollection diagnosticInfos2 = null;
m_session.Write(
null,
valuesToWrite,
out results2,
out diagnosticInfos2);
ClientBase.ValidateResponse(results2, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos2, valuesToWrite);
if (StatusCode.IsBad(results2[0]))
{
throw new ServiceResultException(results2[0]);
}
}
catch (Exception exception)
{
ClientUtils.HandleException("Error Writing Value", exception);
}
}
else if (comboBox1.SelectedIndex == 1)
{
results3 = Read_Value("ns=3;s=Mould_2_SN");
try
{
int arr = 2;
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = "ns=3;s=Actual_Mould";
valueToWrite.AttributeId = Attributes.Value;
valueToWrite.Value.Value = arr;
valueToWrite.Value.StatusCode = StatusCodes.Good;
valueToWrite.Value.ServerTimestamp = DateTime.MinValue;
valueToWrite.Value.SourceTimestamp = DateTime.MinValue;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(valueToWrite);
// write current value.
StatusCodeCollection results2 = null;
DiagnosticInfoCollection diagnosticInfos2 = null;
m_session.Write(
null,
valuesToWrite,
out results2,
out diagnosticInfos2);
ClientBase.ValidateResponse(results2, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos2, valuesToWrite);
if (StatusCode.IsBad(results2[0]))
{
throw new ServiceResultException(results2[0]);
}
}
catch (Exception exception)
{
ClientUtils.HandleException("Error Writing Value", exception);
}
}
string Mould_SN_Value = (string)results3[0].Value;
DataValueCollection read = Read_Value("ns=3;s=Operator_ID");
int Operator_ID_Value = (int)read[0].Value;
//when new piece is made then update DB
//format of convertion from real number to string
NumberFormatInfo nfi = new NumberFormatInfo();
nfi.NumberDecimalSeparator = ".";
nfi.NumberGroupSeparator = "";
nfi.NumberDecimalDigits = 2;
//Execute command
string query = Utils.Format("INSERT INTO db_project.table1 (Piece_SN, Machine_SN, Mould_SN, Operator_ID) VALUES({0},{1},{2},{3});",
Piece_SN_Value.ToString("N", nfi), Machine_SN_Value, Mould_SN_Value, Operator_ID_Value.ToString("N", nfi));
MySqlCommand cmd = new MySqlCommand(query, DB_connection);
cmd.ExecuteNonQuery();
}
private void comboBox1_SelectedIndexChanged_1(object sender, EventArgs e)
{
//Change Mould
string message = "Do you want to select this Mould?";
var result = MessageBox.Show(message, (string)"Change Mould", MessageBoxButtons.YesNo);
if (result == DialogResult.Yes)
{
//Show the Serial Number of the selected Mould
if (comboBox1.SelectedIndex == 0)
{
//Change the values of Change_Mould and Mould_Changed
try
{
bool arr = true;
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = "ns=3;s=Change_Mould";
valueToWrite.AttributeId = Attributes.Value;
valueToWrite.Value.Value = arr;
valueToWrite.Value.StatusCode = StatusCodes.Good;
valueToWrite.Value.ServerTimestamp = DateTime.MinValue;
valueToWrite.Value.SourceTimestamp = DateTime.MinValue;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(valueToWrite);
// write current value.
StatusCodeCollection results2 = null;
DiagnosticInfoCollection diagnosticInfos2 = null;
m_session.Write(
null,
valuesToWrite,
out results2,
out diagnosticInfos2);
ClientBase.ValidateResponse(results2, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos2, valuesToWrite);
if (StatusCode.IsBad(results2[0]))
{
throw new ServiceResultException(results2[0]);
}
}
catch (Exception exception)
{
ClientUtils.HandleException("Error Writing Value", exception);
}
try
{
bool arr = false;
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = "ns=3;s=Mould_Changed";
valueToWrite.AttributeId = Attributes.Value;
valueToWrite.Value.Value = arr;
valueToWrite.Value.StatusCode = StatusCodes.Good;
valueToWrite.Value.ServerTimestamp = DateTime.MinValue;
valueToWrite.Value.SourceTimestamp = DateTime.MinValue;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(valueToWrite);
// write current value.
StatusCodeCollection results2 = null;
DiagnosticInfoCollection diagnosticInfos2 = null;
m_session.Write(
null,
valuesToWrite,
out results2,
out diagnosticInfos2);
ClientBase.ValidateResponse(results2, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos2, valuesToWrite);
if (StatusCode.IsBad(results2[0]))
{
throw new ServiceResultException(results2[0]);
}
}
catch (Exception exception)
{
ClientUtils.HandleException("Error Writing Value", exception);
}
DataValueCollection values = Read_Value("ns=3;s=Mould_1_SN");
label8.Text = (string)values[0].Value;
//Update the value of Mould_tobeused
try
{
string arr = "1";
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = "ns=3;s=Mould_tobeused";
valueToWrite.AttributeId = Attributes.Value;
valueToWrite.Value.Value = arr;
valueToWrite.Value.StatusCode = StatusCodes.Good;
valueToWrite.Value.ServerTimestamp = DateTime.MinValue;
valueToWrite.Value.SourceTimestamp = DateTime.MinValue;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(valueToWrite);
// write current value.
StatusCodeCollection results2 = null;
DiagnosticInfoCollection diagnosticInfos2 = null;
m_session.Write(
null,
valuesToWrite,
out results2,
out diagnosticInfos2);
ClientBase.ValidateResponse(results2, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos2, valuesToWrite);
if (StatusCode.IsBad(results2[0]))
{
throw new ServiceResultException(results2[0]);
}
}
catch (Exception exception)
{
ClientUtils.HandleException("Error Writing Value", exception);
}
//Update the value of Actual_Mould
try
{
int arr = 1;
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = "ns=3;s=Actual_Mould";
valueToWrite.AttributeId = Attributes.Value;
valueToWrite.Value.Value = arr;
valueToWrite.Value.StatusCode = StatusCodes.Good;
valueToWrite.Value.ServerTimestamp = DateTime.MinValue;
valueToWrite.Value.SourceTimestamp = DateTime.MinValue;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(valueToWrite);
// write current value.
StatusCodeCollection results2 = null;
DiagnosticInfoCollection diagnosticInfos2 = null;
m_session.Write(
null,
valuesToWrite,
out results2,
out diagnosticInfos2);
ClientBase.ValidateResponse(results2, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos2, valuesToWrite);
if (StatusCode.IsBad(results2[0]))
{
throw new ServiceResultException(results2[0]);
}
}
catch (Exception exception)
{
ClientUtils.HandleException("Error Writing Value", exception);
}
}
else if (comboBox1.SelectedIndex == 1)
{
//Change the values of Change_Mould and Mould_Changed
try
{
bool arr = true;
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = "ns=3;s=Change_Mould";
valueToWrite.AttributeId = Attributes.Value;
valueToWrite.Value.Value = arr;
valueToWrite.Value.StatusCode = StatusCodes.Good;
valueToWrite.Value.ServerTimestamp = DateTime.MinValue;
valueToWrite.Value.SourceTimestamp = DateTime.MinValue;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(valueToWrite);
// write current value.
StatusCodeCollection results2 = null;
DiagnosticInfoCollection diagnosticInfos2 = null;
m_session.Write(
null,
valuesToWrite,
out results2,
out diagnosticInfos2);
ClientBase.ValidateResponse(results2, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos2, valuesToWrite);
if (StatusCode.IsBad(results2[0]))
{
throw new ServiceResultException(results2[0]);
}
}
catch (Exception exception)
{
ClientUtils.HandleException("Error Writing Value", exception);
}
try
{
bool arr = false;
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = "ns=3;s=Mould_Changed";
valueToWrite.AttributeId = Attributes.Value;
valueToWrite.Value.Value = arr;
valueToWrite.Value.StatusCode = StatusCodes.Good;
valueToWrite.Value.ServerTimestamp = DateTime.MinValue;
valueToWrite.Value.SourceTimestamp = DateTime.MinValue;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(valueToWrite);
// write current value.
StatusCodeCollection results2 = null;
DiagnosticInfoCollection diagnosticInfos2 = null;
m_session.Write(
null,
valuesToWrite,
out results2,
out diagnosticInfos2);
ClientBase.ValidateResponse(results2, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos2, valuesToWrite);
if (StatusCode.IsBad(results2[0]))
{
throw new ServiceResultException(results2[0]);
}
}
catch (Exception exception)
{
ClientUtils.HandleException("Error Writing Value", exception);
}
DataValueCollection values = Read_Value("ns=3;s=Mould_2_SN");
label8.Text = (string)values[0].Value;
//Update the value of Mould_tobeused
try
{
string arr = "2";
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = "ns=3;s=Mould_tobeused";
valueToWrite.AttributeId = Attributes.Value;
valueToWrite.Value.Value = arr;
valueToWrite.Value.StatusCode = StatusCodes.Good;
valueToWrite.Value.ServerTimestamp = DateTime.MinValue;
valueToWrite.Value.SourceTimestamp = DateTime.MinValue;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(valueToWrite);
// write current value.
StatusCodeCollection results2 = null;
DiagnosticInfoCollection diagnosticInfos2 = null;
m_session.Write(
null,
valuesToWrite,
out results2,
out diagnosticInfos2);
ClientBase.ValidateResponse(results2, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos2, valuesToWrite);
if (StatusCode.IsBad(results2[0]))
{
throw new ServiceResultException(results2[0]);
}
}
catch (Exception exception)
{
ClientUtils.HandleException("Error Writing Value", exception);
}
//Update the value of Actual_Mould
try
{
int arr = 2;
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = "ns=3;s=Actual_Mould";
valueToWrite.AttributeId = Attributes.Value;
valueToWrite.Value.Value = arr;
valueToWrite.Value.StatusCode = StatusCodes.Good;
valueToWrite.Value.ServerTimestamp = DateTime.MinValue;
valueToWrite.Value.SourceTimestamp = DateTime.MinValue;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(valueToWrite);
// write current value.
StatusCodeCollection results2 = null;
DiagnosticInfoCollection diagnosticInfos2 = null;
m_session.Write(
null,
valuesToWrite,
out results2,
out diagnosticInfos2);
ClientBase.ValidateResponse(results2, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos2, valuesToWrite);
if (StatusCode.IsBad(results2[0]))
{
throw new ServiceResultException(results2[0]);
}
}
catch (Exception exception)
{
ClientUtils.HandleException("Error Writing Value", exception);
}
}
button1.Enabled = false;
}
else if (result == DialogResult.No)
{
comboBox1.SelectedIndexChanged -= comboBox1_SelectedIndexChanged_1;
comboBox1.SelectedText = _comboBoxIndex;
comboBox1.Text = _comboBoxIndex;
comboBox1.SelectedIndexChanged += comboBox1_SelectedIndexChanged_1;
}
}
void monitoredItem_Notification(MonitoredItem monitoredItem, MonitoredItemNotificationEventArgs e)
{
//This part of the code is needed to manage issues related to windows forms
if (this.InvokeRequired)
{
this.BeginInvoke(new MonitoredItemNotificationEventHandler(monitoredItem_Notification), monitoredItem, e);
return;
}
MonitoredItemNotification notification = e.NotificationValue as MonitoredItemNotification;
if (notification == null)
{
return;
}
//is call because of atual_state?
if (monitoredItem.ClientHandle == Actual_State_handle)
{
double value = (double)notification.Value.WrappedValue.Value;
Actual_State = value;
//update screen
label4.Text = Actual_State.ToString();
if (Actual_State > 1)
{
try
{
bool arr = false;
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = "ns=3;s=Start_Piece";
valueToWrite.AttributeId = Attributes.Value;
valueToWrite.Value.Value = arr;
valueToWrite.Value.StatusCode = StatusCodes.Good;
valueToWrite.Value.ServerTimestamp = DateTime.MinValue;
valueToWrite.Value.SourceTimestamp = DateTime.MinValue;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(valueToWrite);
// write current value.
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
m_session.Write(
null,
valuesToWrite,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, valuesToWrite);
if (StatusCode.IsBad(results[0]))
{
throw new ServiceResultException(results[0]);
}
}
catch (Exception exception)
{
ClientUtils.HandleException("Error Writing Value", exception);
}
}
if (Actual_State == 8)
{
button1.Enabled = true;
}
}
//is call because of Change_Mould?
if (monitoredItem.ClientHandle == Change_Mould_handle)
{
bool value = (bool)notification.Value.WrappedValue.Value;
//update screen
if (value == false)
{
button1.Enabled = true;
}
}
}
private void WriteMI_Click(object sender, EventArgs e)
{
try
{
// get the current session.
Session session = Get <Session>(NodesTV.SelectedNode);
if (session == null || !session.Connected)
{
return;
}
// build list of nodes to read.
WriteValueCollection values = new WriteValueCollection();
MonitoredItem monitoredItem = Get <MonitoredItem>(NodesTV.SelectedNode);
if (monitoredItem != null)
{
WriteValue value = new WriteValue();
value.NodeId = monitoredItem.ResolvedNodeId;
value.AttributeId = monitoredItem.AttributeId;
value.IndexRange = monitoredItem.IndexRange;
MonitoredItemNotification datachange = monitoredItem.LastValue as MonitoredItemNotification;
if (datachange != null)
{
value.Value = (DataValue)Utils.Clone(datachange.Value);
}
values.Add(value);
}
else
{
Subscription subscription = Get <Subscription>(NodesTV.SelectedNode);
if (subscription != null)
{
foreach (MonitoredItem item in subscription.MonitoredItems)
{
WriteValue value = new WriteValue();
value.NodeId = item.ResolvedNodeId;
value.AttributeId = item.AttributeId;
value.IndexRange = item.IndexRange;
MonitoredItemNotification datachange = item.LastValue as MonitoredItemNotification;
if (datachange != null)
{
value.Value = (DataValue)Utils.Clone(datachange.Value);
}
values.Add(value);
}
}
}
// show form.
new WriteDlg().Show(session, values);
}
catch (Exception exception)
{
GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
}
}
/// <summary>
/// Handles a write request.
/// </summary>
public List<ServiceResult> Write(List<WriteRequest> requests)
{
if (m_session == null)
{
throw new ServiceResultException(StatusCodes.BadCommunicationError);
}
WriteValueCollection valuesToWrite = new WriteValueCollection();
for (int ii = 0; ii < requests.Count; ii++)
{
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = ExpandedNodeId.ToNodeId(requests[ii].RemoteId, m_session.NamespaceUris);
valueToWrite.AttributeId = requests[ii].WriteValue.AttributeId;
valueToWrite.IndexRange = requests[ii].WriteValue.IndexRange;
valueToWrite.Value = requests[ii].WriteValue.Value;
valuesToWrite.Add(valueToWrite);
}
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
ResponseHeader responseHeader = m_session.Write(
null,
valuesToWrite,
out results,
out diagnosticInfos);
Session.ValidateResponse(results, valuesToWrite);
Session.ValidateDiagnosticInfos(diagnosticInfos, valuesToWrite);
List<ServiceResult> errors = new List<ServiceResult>();
for (int ii = 0; ii < requests.Count; ii++)
{
if (results[ii] != StatusCodes.Good)
{
errors.Add(new ServiceResult(results[ii], ii, diagnosticInfos, responseHeader.StringTable));
}
else
{
errors.Add(null);
}
}
return errors;
}
/// <summary>
/// IOPCAsyncIO3::WriteVQT - Writes one or more values, qualities and timestamps for the items specified.
/// The results are returned via the client�s IOPCDataCallback connection established
/// through the server�s IConnectionPointContainer.
/// </summary>
public void WriteVQT(
int dwCount,
int[] phServer,
OPCITEMVQT[] pItemVQT,
int dwTransactionID,
out int pdwCancelID,
out System.IntPtr ppErrors)
{
pdwCancelID = 0;
// validate arguments.
if (dwCount == 0 || phServer == null || pItemVQT == null || dwCount != phServer.Length || dwCount != pItemVQT.Length)
{
throw ComUtils.CreateComException(ResultIds.E_INVALIDARG);
}
// get callback object - nothing more to do if missing.
IOPCDataCallback callback = (IOPCDataCallback)GetCallback(typeof(IOPCDataCallback).GUID);
if (callback == null)
{
throw ComUtils.CreateComException(ResultIds.CONNECT_E_NOCONNECTION);
}
try
{
int[] errors = new int[dwCount];
// build list of values to write.
WriteValueCollection valuesToWrite = new WriteValueCollection();
lock (m_lock)
{
if (m_subscription == null) throw ComUtils.CreateComException(ResultIds.E_FAIL);
CallbackValue[] conversionErrors = null;
for (int ii = 0; ii < dwCount; ii++)
{
Item itemToWrite = null;
if (!m_items.TryGetValue(phServer[ii], out itemToWrite))
{
errors[ii] = ResultIds.E_INVALIDHANDLE;
continue;
}
VariableNode variable = itemToWrite.Variable;
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = variable.NodeId;
valueToWrite.IndexRange = null;
valueToWrite.AttributeId = Attributes.Value;
DataValue value = new DataValue();
int error = 0;
value.Value = m_server.VariantValueToValue(variable, pItemVQT[ii].vDataValue, out error);
if (error != ResultIds.S_OK)
{
// only allocate this array when it is needed.
if (conversionErrors == null)
{
conversionErrors = new CallbackValue[dwCount];
}
// create the callback item.
CallbackValue conversionError = new CallbackValue();
conversionError.ClientHandle = itemToWrite.ClientHandle;
conversionError.Error = error;
conversionErrors[ii] = conversionError;
errors[ii] = error;
continue;
}
valueToWrite.Value = value;
if (pItemVQT[ii].bQualitySpecified != 0)
{
value.StatusCode = ComUtils.GetQualityCode(pItemVQT[ii].wQuality);
}
if (pItemVQT[ii].bTimeStampSpecified != 0)
{
value.SourceTimestamp = ComUtils.GetDateTime(pItemVQT[ii].ftTimeStamp);
}
// needed to correlate results to input.
valueToWrite.Handle = itemToWrite;
valuesToWrite.Add(valueToWrite);
}
// create transaction.
if (valuesToWrite.Count > 0 || conversionErrors != null)
{
pdwCancelID = Utils.IncrementIdentifier(ref m_nextHandle);
m_transactions[pdwCancelID] = new AsyncWriteTransaction(dwTransactionID, valuesToWrite);
}
// send conversion errors in the callback if no valid items available (CTT bug workaround).
if (valuesToWrite.Count == 0 && conversionErrors != null)
{
// must return S_OK from this function if sending the errors in the callback.
List<CallbackValue> errorsToSend = new List<CallbackValue>();
for (int ii = 0; ii < conversionErrors.Length; ii++)
{
if (conversionErrors[ii] != null)
{
errors[ii] = ResultIds.S_OK;
errorsToSend.Add(conversionErrors[ii]);
}
}
// queue the request.
CallbackRequest request = new CallbackRequest();
request.CallbackType = CallbackType.Write;
request.Callback = callback;
request.TransactionId = dwTransactionID;
request.GroupHandle = m_clientHandle;
request.ServerHandle = m_serverHandle;
request.Values = errorsToSend;
QueueCallbackRequest(request);
}
}
// write values from server.
if (valuesToWrite.Count > 0)
{
m_session.BeginWrite(
null,
valuesToWrite,
new AsyncCallback(OnWriteComplete),
pdwCancelID);
}
// marshal error codes.
ppErrors = ComUtils.GetInt32s(errors);
}
catch (Exception e)
{
Utils.Trace(e, "Error writing items.");
throw ComUtils.CreateComException(e);
}
}
/// <summary>
/// Write a given OPC node with the given value.
/// </summary>
public string WriteOpcNode(string nodeID, string newValue, Session session)
{
if (string.IsNullOrEmpty(nodeID) || string.IsNullOrEmpty(newValue) || (session == null))
{
return(null);
}
string[] delimiter = { "__$__" };
string[] nodeIDSplit = nodeID.Split(delimiter, 3, StringSplitOptions.None);
string node;
if (nodeIDSplit.Length == 1)
{
node = nodeIDSplit[0];
}
else
{
node = nodeIDSplit[1];
}
// Read the variable
DataValueCollection values = null;
DiagnosticInfoCollection readDiagnosticInfos = null;
ReadValueIdCollection nodesToRead = new ReadValueIdCollection();
foreach (uint attributeId in Attributes.GetIdentifiers())
{
ReadValueId valueId = new ReadValueId();
valueId.NodeId = new NodeId(node);
valueId.AttributeId = attributeId;
valueId.IndexRange = null;
valueId.DataEncoding = null;
nodesToRead.Add(valueId);
}
ResponseHeader responseHeader = session.Read(null, 0, TimestampsToReturn.Neither, nodesToRead,
out values, out readDiagnosticInfos);
// get DataType of the node
Node dataTypeIdNode = null;
NodeId dataTypeId = null;
int valueRank = 0;
for (int ii = 0; ii < nodesToRead.Count; ii++)
{
// check if node supports attribute
if (values[ii].StatusCode == StatusCodes.BadAttributeIdInvalid)
{
continue;
}
switch (nodesToRead[ii].AttributeId)
{
case Attributes.DataType:
dataTypeId = values[ii].Value as NodeId;
if (dataTypeId != null)
{
dataTypeIdNode = session.ReadNode(dataTypeId);
}
break;
case Attributes.ValueRank:
valueRank = (int)values[ii].Value;
break;
default:
break;
}
}
var nodesToWrite = new WriteValueCollection();
WriteValue writeValue = new WriteValue();
writeValue.NodeId = new NodeId(node);
writeValue.AttributeId = Attributes.Value;
writeValue.IndexRange = null;
Variant value = new Variant();
BuildDataValue(ref session, ref value, dataTypeId, valueRank, newValue);
writeValue.Value.Value = value;
nodesToWrite.Add(writeValue);
StatusCodeCollection results;
DiagnosticInfoCollection writeDiagnosticInfos;
session.Write(null, nodesToWrite, out results, out writeDiagnosticInfos);
return(results[0].ToString());
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////
#region IOPCItemIO Members
/// <summary>
/// IOPCItemIO::WriteVQT - Writes one or more values, qualities and timestamps for the items specified.
/// This is functionally similar to the IOPCSyncIO2::WriteVQT except that there is no associated group.
/// </summary>
public void WriteVQT(
int dwCount,
string[] pszItemIDs,
OPCITEMVQT[] pItemVQT,
out System.IntPtr ppErrors)
{
lock (m_lock)
{
if (m_session == null) throw ComUtils.CreateComException(ResultIds.E_FAIL);
// validate arguments.
if (dwCount == 0 || pszItemIDs == null || pItemVQT == null || dwCount != pszItemIDs.Length || dwCount != pItemVQT.Length)
{
throw ComUtils.CreateComException(ResultIds.E_INVALIDARG);
}
try
{
int[] errors = new int[dwCount];
// build list of values to write.
WriteValueCollection valuesToWrite = new WriteValueCollection();
for (int ii = 0; ii < dwCount; ii++)
{
NodeId nodeId = ItemIdToNodeId(pszItemIDs[ii]);
if (nodeId == null)
{
errors[ii] = ResultIds.E_INVALIDITEMID;
continue;
}
VariableNode variable = m_session.NodeCache.Find(nodeId) as VariableNode;
if (variable == null)
{
errors[ii] = ResultIds.E_UNKNOWNITEMID;
continue;
}
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = nodeId;
valueToWrite.IndexRange = null;
valueToWrite.AttributeId = Attributes.Value;
DataValue value = new DataValue();
int error = 0;
value.Value = VariantValueToValue(variable, pItemVQT[ii].vDataValue, out error);
if (error != ResultIds.S_OK)
{
errors[ii] = error;
continue;
}
if (pItemVQT[ii].bQualitySpecified != 0)
{
value.StatusCode = ComUtils.GetQualityCode(pItemVQT[ii].wQuality);
}
if (pItemVQT[ii].bTimeStampSpecified != 0)
{
value.SourceTimestamp = ComUtils.GetDateTime(pItemVQT[ii].ftTimeStamp);
}
valueToWrite.Value = value;
// needed to correlate results to input.
valueToWrite.Handle = ii;
valuesToWrite.Add(valueToWrite);
}
// write values from server.
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
if (valuesToWrite.Count > 0)
{
m_session.Write(
null,
valuesToWrite,
out results,
out diagnosticInfos);
// validate response from the UA server.
ClientBase.ValidateResponse(results, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, valuesToWrite);
}
for (int ii = 0; ii < valuesToWrite.Count; ii++)
{
// get index in original array.
int index = (int)valuesToWrite[ii].Handle;
// map UA code to DA code.
errors[index] = MapWriteStatusToErrorCode(results[ii]);
}
// marshal error codes.
ppErrors = ComUtils.GetInt32s(errors);
}
catch (Exception e)
{
throw ComUtils.CreateComException(e);
}
}
}
private bool WriteToKEPServer(Session AMSession, SenderJobProps job)
{
// Step 2 -- Read the value of a node representing a PI Point data under the hood
NodeId nodeToRead = new NodeId(job.Command /*Element*/, 2);
Node node = AMSession.NodeCache.Find(nodeToRead) as Node;
if (node != null)
{
DataValue value = AMSession.ReadValue(nodeToRead);
WriteValue Wvalue = new WriteValue();
Wvalue.NodeId = nodeToRead;
Wvalue.AttributeId = Attributes.Value;
if ((node.NodeClass & (NodeClass.Variable | NodeClass.VariableType)) == 0)
{
Wvalue.AttributeId = Attributes.DisplayName;
}
Wvalue.IndexRange = null;
Wvalue.Value = value;
Wvalue.Value.Value = ConvertToObject(job.CommandRule);
if (Wvalue.Value.Value != null)
{
WriteValueCollection nodesToWrite = new WriteValueCollection();
nodesToWrite.Add(Wvalue);
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
ResponseHeader responseHeader = AMSession.Write(
null,
nodesToWrite,
out results,
out diagnosticInfos);
Session.ValidateResponse(results, nodesToWrite);
//Session.ValidateDiagnosticInfos(diagnosticInfos, nodesToWrite);
if (results[0].Code == 0)
{
return(true);
}
else
{
SenderMonitorEvent.sendMonitorEvent(vpEventLog, String.Format("Can not send command to KEP Server. ErrorCode: {0}. ErrorText: {1}. Job order ID: {2}", results[0].Code, results[0].ToString(), job.JobOrderID), EventLogEntryType.Error);
return(false);
}
}
else
{
SenderMonitorEvent.sendMonitorEvent(vpEventLog, String.Format("Can not convert command value: {0}. Job order ID: {1}", job.CommandRule, job.JobOrderID), EventLogEntryType.Error);
return(false);
}
}
else
{
SenderMonitorEvent.sendMonitorEvent(vpEventLog, String.Format("Item not found: {0}. Job order ID: ", job.Command, job.JobOrderID), EventLogEntryType.Error);
return(false);
}
}
/// <summary>
/// Adds random values to write.
/// </summary>
private void AddWriteBadValues(
TestVariable variable,
WriteValueCollection nodesToWrite)
{
for (BuiltInType ii = BuiltInType.Null; ii < BuiltInType.DataValue; ii++)
{
if (variable.DataType != ii || variable.Variable.ValueRank >= 0)
{
// add random scalar.
WriteValue nodeToWrite = new WriteValue();
nodeToWrite.NodeId = variable.Variable.NodeId;
nodeToWrite.AttributeId = Attributes.Value;
DataValue value = new DataValue();
value.Value = m_generator.GetRandom(ii);
value.StatusCode = StatusCodes.Good;
value.ServerTimestamp = DateTime.MinValue;
value.SourceTimestamp = DateTime.MinValue;
variable.Values.Add(value);
nodeToWrite.Value = value;
nodeToWrite.Handle = variable;
nodesToWrite.Add(nodeToWrite);
}
if (variable.DataType != ii || variable.Variable.ValueRank == ValueRanks.Scalar)
{
// add random array.
WriteValue nodeToWrite = new WriteValue();
nodeToWrite.NodeId = variable.Variable.NodeId;
nodeToWrite.AttributeId = Attributes.Value;
DataValue value = new DataValue();
value.Value = m_generator.GetRandomArray(ii, true, 100, false);
value.StatusCode = StatusCodes.Good;
value.ServerTimestamp = DateTime.MinValue;
value.SourceTimestamp = DateTime.MinValue;
variable.Values.Add(value);
nodeToWrite.Value = value;
nodeToWrite.Handle = variable;
nodesToWrite.Add(nodeToWrite);
}
}
}
private async Task HandleSettingChanged(TwinCollection desiredProperties, object userContext)
{
var reportedProperties = new TwinCollection();
var opcSessions = Program.NodeConfiguration.OpcSessions;
foreach (var opcSession in opcSessions)
{
foreach (var opcSubscription in opcSession.OpcSubscriptions)
{
foreach (var opcMonitoredItem in opcSubscription.OpcMonitoredItems)
{
var key = opcMonitoredItem.Key;
try
{
if (!desiredProperties.Contains(key))
{
continue;
}
//Handle OPC UA Property overwrite and acknowledge setting change
//Get JSON Value of desired property which is reported by setting change from IoT Central
var jsonValue = new Newtonsoft.Json.Linq.JObject(desiredProperties[key])
.GetValue("value").ToString();
var session = opcSession.OpcUaClientSession.GetSession();
var nodesToRead = new ReadValueIdCollection {
new ReadValueId()
{
NodeId = opcMonitoredItem.ConfigNodeId, AttributeId = Attributes.DataType
}
};
session.Read(
null,
0,
TimestampsToReturn.Neither,
nodesToRead,
out DataValueCollection attributeResults,
out DiagnosticInfoCollection attributeDiagnostics);
ClientBase.ValidateResponse(attributeResults, nodesToRead);
ClientBase.ValidateDiagnosticInfos(attributeDiagnostics, nodesToRead);
var dataType = (uint)((NodeId)attributeResults.First().Value).Identifier;
var namespaceIndex = ((NodeId)attributeResults.First().Value).NamespaceIndex;
object value = null;
try
{
if (namespaceIndex == 0)
{
switch (dataType)
{
case DataTypes.Boolean: value = Convert.ToBoolean(jsonValue); break;
case DataTypes.Byte: value = Convert.ToByte(jsonValue); break;
case DataTypes.DateTime: value = Convert.ToDateTime(jsonValue); break;
case DataTypes.Double: value = Convert.ToDouble(jsonValue); break;
case DataTypes.Float: value = float.Parse(jsonValue); break;
case DataTypes.Guid: value = new Guid(jsonValue); break;
case DataTypes.Int16: value = Convert.ToInt16(jsonValue); break;
case DataTypes.Int32: value = Convert.ToInt32(jsonValue); break;
case DataTypes.Int64: value = Convert.ToInt64(jsonValue); break;
case DataTypes.Integer: value = Convert.ToInt32(jsonValue); break;
case DataTypes.Number: value = Convert.ToInt32(jsonValue); break;
case DataTypes.SByte: value = Convert.ToSByte(jsonValue); break;
case DataTypes.String: value = Convert.ToString(jsonValue); break;
case DataTypes.UInt16: value = Convert.ToUInt16(jsonValue); break;
case DataTypes.UInt32: value = Convert.ToUInt32(jsonValue); break;
case DataTypes.UInt64: value = Convert.ToUInt64(jsonValue); break;
case DataTypes.UInteger: value = Convert.ToUInt32(jsonValue); break;
default: throw new NotSupportedException("Data type is not supported.");
}
}
else
{
// custom data type - hope for the best
value = Convert.ToInt32(jsonValue);
_logger.Warning("Conversion into a custom data type ({DataType}). Int32 assumed.", dataType);
}
}
catch (Exception ex)
{
var dataTypeName = GetDataTypeName(dataType) ?? dataType.ToString();
string errorMessage = "Update of reported properties failed.";
if (ex is NotSupportedException)
{
errorMessage = $"Data type '{dataTypeName}' is not supported.";
}
else if (ex is FormatException || ex is OverflowException)
{
errorMessage = $"Conversion can not be executed. '{jsonValue}' is not of data type '{dataTypeName}'.";
}
_logger.Error(ex, $"{nameof(HandleSettingChanged)}: {errorMessage}");
reportedProperties[key] = new
{
value = desiredProperties[key]["value"],
desiredVersion = desiredProperties["$version"],
message = errorMessage,
status = "failed"
};
await UpdateReportedPropertiesAsync(reportedProperties);
continue;
}
//Create a new WriteValueCollection to write the new information to OPC UA Server
var valuesToWrite = new WriteValueCollection();
var newValueToWrite = new WriteValue
{
NodeId = opcMonitoredItem.ConfigNodeId,
AttributeId = opcMonitoredItem.AttributeId,
Value = new DataValue
{
Value = value,
ServerTimestamp = DateTime.MinValue,
SourceTimestamp = DateTime.MinValue
}
};
valuesToWrite.Add(newValueToWrite);
opcSubscription.OpcUaClientSubscription.Subscription.Session.Write(
null,
valuesToWrite,
out var results,
out var diagnosticInfos);
ClientBase.ValidateResponse(results, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, valuesToWrite);
string status, message;
if (StatusCode.IsBad(results[0]))
{
_logger.Error($"[{results[0].ToString()}]: Cannot write Setting value of Monitored Item with NodeId {opcMonitoredItem.Id} and Key {opcMonitoredItem.Key}");
status = IoTCentral_ReportedPropertyStatusFailed;
message = $"Failure during synchronizing OPC UA Values, Reason: {results[0].ToString()}";
}
else
{
status = IoTCentral_ReportedPropertyStatusCompleted;
message = string.Empty;
}
reportedProperties[key] = new
{
value = desiredProperties[key]["value"],
status,
desiredVersion = desiredProperties["$version"],
message
};
await UpdateReportedPropertiesAsync(reportedProperties);
}
catch (Exception e)
{
_logger.Error(e, "Error while updating reported Setting.");
reportedProperties[key] = new
{
value = desiredProperties[key]["value"],
desiredVersion = desiredProperties["$version"],
status = IoTCentral_ReportedPropertyStatusFailed,
message = $"Failure during synchronizing OPC UA Values, Reason: {e.Message}"
};
await UpdateReportedPropertiesAsync(reportedProperties);
}
}
}
}
}
/// <summary>
/// Reads the attributes, verifies the results and updates the nodes.
/// </summary>
private bool Write(int counter)
{
bool success = true;
m_deadbandCounter++;
WriteValueCollection nodesToWrite = new WriteValueCollection();
lock (m_variables)
{
if (m_stopped != 0 || counter != m_writeTimerCounter)
{
return true;
}
for (int ii = 0; ii < m_variables.Count; ii++)
{
TestVariable variable = m_variables[ii];
WriteValue nodeToWrite = new WriteValue();
nodeToWrite.NodeId = variable.Variable.NodeId;
nodeToWrite.AttributeId = Attributes.Value;
DataValue value = new DataValue();
if (!m_useDeadbandValues)
{
bool different = false;
do
{
value.Value = m_generator.GetRandom(
variable.Variable.DataType,
variable.Variable.ValueRank,
variable.Variable.ArrayDimensions,
Session.TypeTree);
if (variable.EURange != null)
{
value.Value = EnsureInRange(value.Value, variable.Variable, variable.EURange);
}
different = true;
for (int jj = variable.Values.Count-1; jj >= 0; jj--)
{
if (m_comparer.CompareVariant(value.WrappedValue, variable.Values[jj].WrappedValue))
{
different = false;
break;
}
if (variable.DataType == BuiltInType.Boolean)
{
break;
}
}
}
while (!different);
}
else
{
value.Value = IncrementValue(variable, m_deadbandCounter);
}
value.StatusCode = StatusCodes.Good;
value.ServerTimestamp = DateTime.MinValue;
value.SourceTimestamp = DateTime.MinValue;
nodeToWrite.Value = value;
nodeToWrite.Handle = variable.Values.Count;
nodesToWrite.Add(nodeToWrite);
variable.Values.Add(value);
variable.Timestamps.Add(DateTime.MinValue);
}
m_lastWriteTime = DateTime.UtcNow;
}
StatusCodeCollection results;
DiagnosticInfoCollection diagnosticInfos;
DateTime now = DateTime.UtcNow;
RequestHeader requestHeader = new RequestHeader();
requestHeader.ReturnDiagnostics = 0;
// need to check if the test completes and the next one starts while the write is in progress.
ResponseHeader responseHeader = Session.Write(
requestHeader,
nodesToWrite,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, nodesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, nodesToWrite);
// check diagnostics.
if (diagnosticInfos != null && diagnosticInfos.Count > 0)
{
Log("Returned non-empty DiagnosticInfos array during Write.");
return false;
}
// check results.
lock (m_variables)
{
if (m_lastWriteTime > DateTime.MinValue && (DateTime.UtcNow - m_lastWriteTime).TotalMilliseconds > 300)
{
m_writeDelayed = true;
Log("WARNING: A Write operation took {0}s. Test results may not be meaningful.", (DateTime.UtcNow - m_lastWriteTime).TotalSeconds);
}
m_lastWriteTime = DateTime.UtcNow;
if (m_stopped != 0 || counter != m_writeTimerCounter)
{
return true;
}
for (int ii = 0; ii < nodesToWrite.Count; ii++)
{
TestVariable variable = m_variables[ii];
if (StatusCode.IsBad(results[ii]))
{
if (results[ii] == StatusCodes.BadTypeMismatch || results[ii] == StatusCodes.BadOutOfRange)
{
variable.WriteError = true;
continue;
}
Log("Unexpected error during Write.");
return false;
}
WriteValue request = nodesToWrite[ii];
variable.Timestamps[(int)request.Handle] = responseHeader.Timestamp;
}
m_writeCount++;
}
return success;
}
/// <summary>
/// Returns the items in the control.
/// </summary>
public WriteValueCollection GetValues()
{
WriteValueCollection values = new WriteValueCollection();
foreach (ListViewItem item in ItemsLV.Items)
{
WriteValue value = item.Tag as WriteValue;
if (value != null)
{
value.Value.StatusCode = StatusCodes.Good;
value.Value.ServerTimestamp = DateTime.MinValue;
value.Value.SourceTimestamp = DateTime.MinValue;
values.Add(value);
}
}
return values;
}
private void WriteMI_Click(object sender, EventArgs e)
{
try
{
if (NodesTV.SelectedNode == null)
{
return;
}
ReferenceDescription reference = NodesTV.SelectedNode.Tag as ReferenceDescription;
if (reference == null || (reference.NodeClass & (NodeClass.Variable | NodeClass.VariableType)) == 0)
{
return;
}
Session session = m_browser.Session;
// build list of nodes to read.
WriteValueCollection values = new WriteValueCollection();
WriteValue value = new WriteValue();
value.NodeId = (NodeId)reference.NodeId;
value.AttributeId = Attributes.Value;
value.IndexRange = null;
value.Value = null;
values.Add(value);
// show form.
new WriteDlg().Show(session, values);
}
catch (Exception exception)
{
GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
}
}
/// <summary>
/// Adds index ranges to the collection.
/// </summary>
private void AddWriteValues(
Node node,
WriteValueCollection nodesToWrite,
params uint[] attributeIds)
{
if (attributeIds != null)
{
for (int ii = 0; ii < attributeIds.Length; ii++)
{
WriteValue nodeToWrite = new WriteValue();
nodeToWrite.NodeId = node.NodeId;
nodeToWrite.AttributeId = attributeIds[ii];
DataValue value = new DataValue();
ServiceResult result = node.Read(
null,
attributeIds[ii],
value);
value.StatusCode = StatusCodes.Good;
value.ServerTimestamp = DateTime.MinValue;
value.SourceTimestamp = DateTime.MinValue;
if (ServiceResult.IsBad(result))
{
value.Value = null;
}
nodeToWrite.Value = value;
nodeToWrite.Handle = node;
nodesToWrite.Add(nodeToWrite);
Array array = value.Value as Array;
if (array != null)
{
NumericRange range = new NumericRange(0, 1);
object subarray = array;
range.ApplyRange(ref subarray);
nodeToWrite = new WriteValue();
nodeToWrite.Value = new DataValue();
nodeToWrite.Value.Value = subarray;
nodeToWrite.Value.StatusCode = StatusCodes.Good;
nodeToWrite.Value.ServerTimestamp = DateTime.MinValue;
nodeToWrite.Value.SourceTimestamp = DateTime.MinValue;
nodeToWrite.NodeId = node.NodeId;
nodeToWrite.AttributeId = attributeIds[ii];
nodeToWrite.IndexRange = "0";
nodeToWrite.Handle = node;
nodesToWrite.Add(nodeToWrite);
}
nodeToWrite = new WriteValue();
nodeToWrite.Value = new DataValue();
nodeToWrite.Value.Value = value.Value;
nodeToWrite.Value.StatusCode = StatusCodes.Uncertain;
nodeToWrite.Value.ServerTimestamp = DateTime.MinValue;
nodeToWrite.Value.SourceTimestamp = DateTime.MinValue;
nodeToWrite.NodeId = node.NodeId;
nodeToWrite.AttributeId = attributeIds[ii];
nodeToWrite.Handle = node;
nodesToWrite.Add(nodeToWrite);
nodeToWrite = new WriteValue();
nodeToWrite.Value = new DataValue();
nodeToWrite.Value.Value = value.Value;
nodeToWrite.Value.StatusCode = StatusCodes.Good;
nodeToWrite.Value.ServerTimestamp = DateTime.UtcNow;
nodeToWrite.Value.SourceTimestamp = DateTime.MinValue;
nodeToWrite.NodeId = node.NodeId;
nodeToWrite.AttributeId = attributeIds[ii];
nodeToWrite.Handle = node;
nodesToWrite.Add(nodeToWrite);
nodeToWrite = new WriteValue();
nodeToWrite.Value = new DataValue();
nodeToWrite.Value.Value = value.Value;
nodeToWrite.Value.StatusCode = StatusCodes.Good;
nodeToWrite.Value.ServerTimestamp = DateTime.MinValue;
nodeToWrite.Value.SourceTimestamp = DateTime.UtcNow;
nodeToWrite.NodeId = node.NodeId;
nodeToWrite.AttributeId = attributeIds[ii];
nodeToWrite.Handle = node;
nodesToWrite.Add(nodeToWrite);
}
}
}
/// <summary>
/// Performs n synchronous write operation.
/// </summary>
/// <param name="serverHandles">The server handles.</param>
/// <param name="values">The values.</param>
/// <returns>Any errors.</returns>
public int[] SyncWrite(int[] serverHandles, DaValue[] values)
{
TraceState("SyncWrite", serverHandles.Length);
ThrowIfDisposed();
int[] results = new int[serverHandles.Length];
WriteValueCollection valuesToWrite = new WriteValueCollection();
lock (m_lock)
{
// validate items.
DaValue convertedValue = new DaValue();
for (int ii = 0; ii < serverHandles.Length; ii++)
{
ComDaGroupItem item = null;
if (!m_itemsByHandle.TryGetValue(serverHandles[ii], out item))
{
results[ii] = ResultIds.E_INVALIDHANDLE;
continue;
}
// apply the COM type conversion.
DaValue requestedValue = values[ii];
if (requestedValue.Value == null)
{
results[ii] = ResultIds.E_BADTYPE;
continue;
}
if (item.CanonicalDataType != (short)VarEnum.VT_EMPTY)
{
object value = null;
int error = ComUtils.ChangeTypeForCOM(requestedValue.Value, (VarEnum)item.CanonicalDataType, out value);
if (error < 0)
{
results[ii] = error;
continue;
}
// could happen if there is a problem reading the datatype from the server.
if (requestedValue.Value == null)
{
results[ii] = ResultIds.E_BADTYPE;
continue;
}
// copy all of the attributes into the converted value.
convertedValue.Value = value;
convertedValue.Quality = requestedValue.Quality;
convertedValue.Timestamp = requestedValue.Timestamp;
convertedValue.Error = requestedValue.Error;
requestedValue = convertedValue;
}
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = item.NodeId;
valueToWrite.AttributeId = Attributes.Value;
valueToWrite.Handle = ii;
// convert value to UA data type.
try
{
valueToWrite.Value = m_manager.Mapper.GetRemoteDataValue(requestedValue, item.RemoteDataType);
}
catch (Exception e)
{
results[ii] = ComUtils.GetErrorCode(e, ResultIds.E_BADTYPE);
continue;
}
valuesToWrite.Add(valueToWrite);
}
}
// check if nothing to do.
if (valuesToWrite.Count == 0)
{
return results;
}
// write the values to the server.
int[] remoteResults = m_manager.Write(valuesToWrite);
// copy results.
for (int ii = 0; ii < valuesToWrite.Count; ii++)
{
results[(int)valuesToWrite[ii].Handle] = remoteResults[ii];
}
return results;
}
/// <summary>
/// Reads the values displayed in the control and moves to the display results state.
/// </summary>
public void Write()
{
if (m_session == null)
{
throw new ServiceResultException(StatusCodes.BadNotConnected);
}
// build list of values to write.
WriteValueCollection nodesToWrite = new WriteValueCollection();
foreach (DataGridViewRow row in ResultsDV.Rows)
{
DataRowView source = row.DataBoundItem as DataRowView;
WriteValue value = (WriteValue)source.Row[0];
row.Selected = false;
nodesToWrite.Add(value);
}
// read the values.
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
m_session.Write(
null,
nodesToWrite,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, nodesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, nodesToWrite);
IndexRangeCH.Visible = false;
DataTypeCH.Visible = false;
ValueCH.Visible = false;
StatusCodeCH.Visible = false;
ResultCH.Visible = true;
// add the results to the display.
for (int ii = 0; ii < results.Count; ii++)
{
DataRowView source = ResultsDV.Rows[ii].DataBoundItem as DataRowView;
UpdateRow(source.Row, results[ii]);
}
}
/// <summary>
/// Writes the values for the specified item ids.
/// </summary>
/// <param name="itemIds">The item ids.</param>
/// <param name="values">The values.</param>
/// <returns>The results.</returns>
public int[] Write(string[] itemIds, DaValue[] values)
{
int[] results = new int[itemIds.Length];
WriteValueCollection valuesToWrite = new WriteValueCollection();
ComDaReadPropertiesRequest[] requests = new ComDaReadPropertiesRequest[values.Length];
// prepare request.
for (int ii = 0; ii < itemIds.Length; ii++)
{
ComDaReadPropertiesRequest request = requests[ii] = new ComDaReadPropertiesRequest();
request.ItemId = itemIds[ii];
}
// need to get the data type of the remote node.
m_browseManager.GetPropertyValues(Session, requests, PropertyIds.UaBuiltInType, PropertyIds.UaValueRank);
// validate items.
for (int ii = 0; ii < requests.Length; ii++)
{
ComDaReadPropertiesRequest request = requests[ii];
if (request.Error < 0)
{
results[ii] = request.Error;
continue;
}
int? builtInType = request.Values[0].Value as int?;
int? valueRank = request.Values[1].Value as int?;
if (builtInType == null || valueRank == null)
{
results[ii] = ResultIds.E_UNKNOWNITEMID;
continue;
}
// convert value to UA data type.
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = m_mapper.GetRemoteNodeId(itemIds[ii]);
valueToWrite.AttributeId = Attributes.Value;
valueToWrite.Handle = ii;
// convert value to UA data type.
try
{
TypeInfo remoteType = new TypeInfo((BuiltInType)builtInType.Value, valueRank.Value);
valueToWrite.Value = m_mapper.GetRemoteDataValue(values[ii], remoteType);
}
catch (Exception e)
{
results[ii] = ComUtils.GetErrorCode(e, ResultIds.E_BADTYPE);
continue;
}
valuesToWrite.Add(valueToWrite);
}
// check if nothing to do.
if (valuesToWrite.Count == 0)
{
return results;
}
// write the values to the server.
int[] remoteResults = m_groupManager.Write(valuesToWrite);
// copy results.
for (int ii = 0; ii < valuesToWrite.Count; ii++)
{
results[(int)valuesToWrite[ii].Handle] = remoteResults[ii];
}
return results;
}
/// <summary>
/// Adds index ranges to the collection.
/// </summary>
private void AddWriteValues(
Node node,
WriteValueCollection nodesToWrite,
params uint[] attributeIds)
{
if (attributeIds != null)
{
for (int ii = 0; ii < attributeIds.Length; ii++)
{
WriteValue nodeToWrite = new WriteValue();
nodeToWrite.NodeId = node.NodeId;
nodeToWrite.AttributeId = attributeIds[ii];
DataValue value = new DataValue();
ServiceResult result = node.Read(
null,
attributeIds[ii],
value);
value.StatusCode = StatusCodes.Good;
value.ServerTimestamp = DateTime.MinValue;
value.SourceTimestamp = DateTime.MinValue;
if (ServiceResult.IsBad(result))
{
value.Value = null;
}
nodeToWrite.Value = value;
nodeToWrite.Handle = node;
nodesToWrite.Add(nodeToWrite);
Array array = value.Value as Array;
if (array != null)
{
NumericRange range = new NumericRange(0, 1);
object subarray = array;
range.ApplyRange(ref subarray);
nodeToWrite = new WriteValue();
nodeToWrite.Value = new DataValue();
nodeToWrite.Value.Value = subarray;
nodeToWrite.Value.StatusCode = StatusCodes.Good;
nodeToWrite.Value.ServerTimestamp = DateTime.MinValue;
nodeToWrite.Value.SourceTimestamp = DateTime.MinValue;
nodeToWrite.NodeId = node.NodeId;
nodeToWrite.AttributeId = attributeIds[ii];
nodeToWrite.IndexRange = "0";
nodeToWrite.Handle = node;
nodesToWrite.Add(nodeToWrite);
}
nodeToWrite = new WriteValue();
nodeToWrite.Value = new DataValue();
nodeToWrite.Value.Value = value.Value;
nodeToWrite.Value.StatusCode = StatusCodes.Uncertain;
nodeToWrite.Value.ServerTimestamp = DateTime.MinValue;
nodeToWrite.Value.SourceTimestamp = DateTime.MinValue;
nodeToWrite.NodeId = node.NodeId;
nodeToWrite.AttributeId = attributeIds[ii];
nodeToWrite.Handle = node;
nodesToWrite.Add(nodeToWrite);
nodeToWrite = new WriteValue();
nodeToWrite.Value = new DataValue();
nodeToWrite.Value.Value = value.Value;
nodeToWrite.Value.StatusCode = StatusCodes.Good;
nodeToWrite.Value.ServerTimestamp = DateTime.UtcNow;
nodeToWrite.Value.SourceTimestamp = DateTime.MinValue;
nodeToWrite.NodeId = node.NodeId;
nodeToWrite.AttributeId = attributeIds[ii];
nodeToWrite.Handle = node;
nodesToWrite.Add(nodeToWrite);
nodeToWrite = new WriteValue();
nodeToWrite.Value = new DataValue();
nodeToWrite.Value.Value = value.Value;
nodeToWrite.Value.StatusCode = StatusCodes.Good;
nodeToWrite.Value.ServerTimestamp = DateTime.MinValue;
nodeToWrite.Value.SourceTimestamp = DateTime.UtcNow;
nodeToWrite.NodeId = node.NodeId;
nodeToWrite.AttributeId = attributeIds[ii];
nodeToWrite.Handle = node;
nodesToWrite.Add(nodeToWrite);
}
}
}