/// <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>
/// Validates the nodes and writes the value to the underlying system.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="nodesToWrite">The nodes to write.</param>
/// <param name="errors">The errors.</param>
/// <param name="nodesToValidate">The nodes to validate.</param>
/// <param name="cache">The cache.</param>
protected override void Write(
ServerSystemContext context,
IList<WriteValue> nodesToWrite,
IList<ServiceResult> errors,
List<NodeHandle> nodesToValidate,
IDictionary<NodeId, NodeState> cache)
{
ComDaClientManager system = (ComDaClientManager)this.SystemContext.SystemHandle;
ComDaClient client = system.SelectClient((ServerSystemContext)SystemContext, false);
WriteRequestCollection requests = new WriteRequestCollection();
// validates the nodes and queues an write requests.
for (int ii = 0; ii < nodesToValidate.Count; ii++)
{
NodeHandle handle = nodesToValidate[ii];
lock (Lock)
{
// validate node.
NodeState source = ValidateNode(context, handle, cache);
if (source == null)
{
continue;
}
// determine if request can be sent to the server.
bool queued = false;
WriteValue nodeToWrite = nodesToWrite[handle.Index];
errors[handle.Index] = requests.Add(source, nodeToWrite, handle.Index, out queued);
if (queued)
{
continue;
}
// 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);
}
}
// write to the server.
client.Write(requests);
// get the results from the requests sent to the server.
for (int ii = 0; ii < requests.Count; ii++)
{
WriteRequest request = requests[ii];
errors[request.Index] = request.GetResult();
}
}
/// <summary>
/// Writes the item and property values to the server.
/// </summary>
/// <param name="requests">The requests.</param>
public void Write(WriteRequestCollection requests)
{
if (m_supportsIOPCItemIO)
{
Da30WriteItemValues(requests);
}
else
{
Da20WriteItemValues(requests);
}
}
/// <summary>
/// Writes the item and property values to the server.
/// </summary>
/// <param name="requests">The requests.</param>
public void Write(WriteRequestCollection requests)
{
WriteItemValues(requests);
}
/// <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;
}
