/// <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>
/// Handles a method call.
/// </summary>
private ServiceResult DoGenerateRandomValues(
ISystemContext context,
MethodState method,
IList <object> inputArguments,
IList <object> outputArguments)
{
ComDaClientManager system = (ComDaClientManager)this.SystemContext.SystemHandle;
ComDaClient client = system.SelectClient((ServerSystemContext)context, false);
Opc.Ua.Test.DataGenerator generator = new Opc.Ua.Test.DataGenerator(null);
IDaElementBrowser browser = client.CreateBrowser((string)method.Handle);
// create write requests.
WriteRequestCollection requests = new WriteRequestCollection();
try
{
for (DaElement element = browser.Next(); element != null; element = browser.Next())
{
if (element.ElementType == DaElementType.Branch)
{
continue;
}
// generate a random value of the correct data tyoe.
bool isArray = false;
NodeId dataTypeId = ComUtils.GetDataTypeId(element.DataType, out isArray);
object value = generator.GetRandom(
dataTypeId,
(isArray)?ValueRanks.OneDimension:ValueRanks.Scalar,
null,
context.TypeTable);
// create a request.
requests.Add(new Opc.Ua.Com.Client.WriteRequest(element.ItemId, new DataValue(new Variant(value)), 0));
}
}
finally
{
browser.Dispose();
}
// write values.
client.Write(requests);
return(ServiceResult.Good);
}
private object GetNewValue(BaseVariableState variable)
{
if (generator_ == null)
{
generator_ = new Opc.Ua.Test.DataGenerator(null)
{
BoundaryValueFrequency = 0
};
}
object value = null;
var retryCount = 0;
while (value == null && retryCount < 10)
{
value = generator_.GetRandom(variable.DataType, variable.ValueRank, new uint[] { 10 }, opcServer_.NodeManager.ServerData.TypeTree);
retryCount++;
}
return(value);
}
//geting new value for the variable
private object GetNewValue(BaseVariableState variable)
{
if (m_generator == null)
{
m_generator = new Opc.Ua.Test.DataGenerator(null)
{
BoundaryValueFrequency = 0
};
}
object value = null;
int retryCount = 0;
while (value == null && retryCount < 10)
{
value = m_generator.GetRandom(variable.DataType, variable.ValueRank, new uint[] { 10 }, Server.TypeTree);
retryCount++;
}
System.Console.WriteLine("into generationg new value " + value);
return(value);
}
/// <summary>
/// Creates new data.
/// </summary>
public void CreateData(ArchiveItem item)
{
// get the data set to use.
var dataset = item.DataSet;
if (dataset == null)
{
dataset = CreateDataSet();
}
// generate one hour worth of data by default.
var startTime = DateTime.UtcNow.AddHours(-1);
startTime = new DateTime(startTime.Year, startTime.Month, startTime.Day, startTime.Hour, 0, 0, DateTimeKind.Utc);
// check for existing data.
if (dataset.Tables[0].Rows.Count > 0)
{
var index = dataset.Tables[0].DefaultView.Count;
var endTime = (DateTime)dataset.Tables[0].DefaultView[index - 1].Row[0];
endTime = startTime.AddMilliseconds(item.SamplingInterval);
}
var currentTime = startTime;
var generator = new Opc.Ua.Test.DataGenerator(null);
while (currentTime < DateTime.UtcNow)
{
var dataValue = new DataValue {
SourceTimestamp = currentTime,
ServerTimestamp = currentTime.AddSeconds(generator.GetRandomByte()),
StatusCode = StatusCodes.Good
};
// generate random value.
if (item.ValueRank < 0)
{
dataValue.Value = generator.GetRandom(item.DataType);
}
else
{
dataValue.Value = generator.GetRandomArray(item.DataType, false, 10, false);
}
// add record to table.
var row = dataset.Tables[0].NewRow();
row[0] = dataValue.SourceTimestamp;
row[1] = dataValue.ServerTimestamp;
row[2] = dataValue;
row[3] = dataValue.WrappedValue.TypeInfo.BuiltInType;
row[4] = dataValue.WrappedValue.TypeInfo.ValueRank;
dataset.Tables[0].Rows.Add(row);
// increment timestamp.
currentTime = currentTime.AddMilliseconds(item.SamplingInterval);
}
dataset.AcceptChanges();
item.DataSet = dataset;
}
/// <summary>
/// Adds random parameters
/// </summary>
private void AddMethodCall(
TestMethod method,
CallMethodRequestCollection methodsToCall,
bool testErrors)
{
VariantCollection inputArguments = new VariantCollection();
for (int ii = 0; ii < method.InputArguments.Count; ii++)
{
Argument argument = method.InputArguments[ii];
object value = m_generator.GetRandom(
argument.DataType,
argument.ValueRank,
argument.ArrayDimensions,
Session.TypeTree);
inputArguments.Add(new Variant(value));
}
CallMethodRequest request = null;
// add valid method.
if (!testErrors)
{
request = new CallMethodRequest();
request.ObjectId = method.Parent.NodeId;
request.MethodId = method.Method.NodeId;
request.Handle = method;
request.InputArguments = new VariantCollection(inputArguments);
methodsToCall.Add(request);
return;
}
// add invalid object.
request = new CallMethodRequest();
request.ObjectId = Objects.RootFolder;
request.MethodId = method.Method.NodeId;
request.Handle = method;
request.InputArguments = new VariantCollection(inputArguments);
methodsToCall.Add(request);
if (inputArguments.Count > 0)
{
// add too few parameters.
request = new CallMethodRequest();
request.ObjectId = method.Parent.NodeId;
request.MethodId = method.Method.NodeId;
request.Handle = method;
request.InputArguments = new VariantCollection(inputArguments);
request.InputArguments.RemoveAt(request.InputArguments.Count - 1);
methodsToCall.Add(request);
// add invalid parameter.
request = new CallMethodRequest();
request.ObjectId = method.Parent.NodeId;
request.MethodId = method.Method.NodeId;
request.Handle = method;
request.InputArguments = new VariantCollection(inputArguments);
Argument argument = method.InputArguments[inputArguments.Count / 2];
if (TypeInfo.GetBuiltInType(argument.DataType, Session.TypeTree) != BuiltInType.Variant)
{
TypeInfo typeInfo = null;
do
{
Variant arg = (Variant)m_generator.GetRandom(BuiltInType.Variant);
typeInfo = TypeInfo.IsInstanceOfDataType(
arg.Value,
argument.DataType,
argument.ValueRank,
Session.NamespaceUris,
Session.TypeTree);
if (typeInfo == null)
{
request.InputArguments[inputArguments.Count / 2] = arg;
methodsToCall.Add(request);
break;
}
}while (typeInfo != null);
}
}
// add extra parameters.
request = new CallMethodRequest();
request.ObjectId = method.Parent.NodeId;
request.MethodId = method.Method.NodeId;
request.Handle = method;
request.InputArguments = new VariantCollection(inputArguments);
request.InputArguments.Add(new Variant(m_generator.GetRandom(BuiltInType.Variant)));
methodsToCall.Add(request);
}
/// <summary>
/// Handles a method call.
/// </summary>
private ServiceResult DoGenerateRandomValues(
ISystemContext context,
MethodState method,
IList<object> inputArguments,
IList<object> outputArguments)
{
ComDaClientManager system = (ComDaClientManager)this.SystemContext.SystemHandle;
ComDaClient client = system.SelectClient((ServerSystemContext)context, false);
Opc.Ua.Test.DataGenerator generator = new Opc.Ua.Test.DataGenerator(null);
IDaElementBrowser browser = client.CreateBrowser((string)method.Handle);
// create write requests.
WriteRequestCollection requests = new WriteRequestCollection();
try
{
for (DaElement element = browser.Next(); element != null; element = browser.Next())
{
if (element.ElementType == DaElementType.Branch)
{
continue;
}
// generate a random value of the correct data tyoe.
bool isArray = false;
NodeId dataTypeId = ComUtils.GetDataTypeId(element.DataType, out isArray);
object value = generator.GetRandom(
dataTypeId,
(isArray)?ValueRanks.OneDimension:ValueRanks.Scalar,
null,
context.TypeTable);
// create a request.
requests.Add(new Opc.Ua.Com.Client.WriteRequest(element.ItemId, new DataValue(new Variant(value)), 0));
}
}
finally
{
browser.Dispose();
}
// write values.
client.Write(requests);
return ServiceResult.Good;
}
/// <summary>
/// Creates new data.
/// </summary>
public void CreateData(ArchiveItem item)
{
// get the data set to use.
DataSet dataset = item.DataSet;
if (dataset == null)
{
dataset = CreateDataSet();
}
// generate one hour worth of data by default.
DateTime startTime = DateTime.UtcNow.AddHours(-1);
startTime = new DateTime(startTime.Year, startTime.Month, startTime.Day, startTime.Hour, 0, 0, DateTimeKind.Utc);
// check for existing data.
if (dataset.Tables[0].Rows.Count > 0)
{
int index = dataset.Tables[0].DefaultView.Count;
DateTime endTime = (DateTime)dataset.Tables[0].DefaultView[index-1].Row[0];
endTime = startTime.AddMilliseconds(item.SamplingInterval);
}
DateTime currentTime = startTime;
Opc.Ua.Test.DataGenerator generator = new Opc.Ua.Test.DataGenerator(null);
while (currentTime < DateTime.UtcNow)
{
DataValue dataValue = new DataValue();
dataValue.SourceTimestamp = currentTime;
dataValue.ServerTimestamp = currentTime.AddSeconds(generator.GetRandomByte());
dataValue.StatusCode = StatusCodes.Good;
// generate random value.
if (item.ValueRank < 0)
{
dataValue.Value = generator.GetRandom(item.DataType);
}
else
{
dataValue.Value = generator.GetRandomArray(item.DataType, false, 10, false);
}
// add record to table.
DataRow row = dataset.Tables[0].NewRow();
row[0] = dataValue.SourceTimestamp;
row[1] = dataValue.ServerTimestamp;
row[2] = dataValue;
row[3] = dataValue.WrappedValue.TypeInfo.BuiltInType;
row[4] = dataValue.WrappedValue.TypeInfo.ValueRank;
dataset.Tables[0].Rows.Add(row);
// increment timestamp.
currentTime = currentTime.AddMilliseconds(item.SamplingInterval);
}
dataset.AcceptChanges();
item.DataSet = dataset;
}