| public Read ( RequestHeader requestHeader, double maxAge, TimestampsToReturn timestampsToReturn, ReadValueIdCollection nodesToRead, DataValueCollection &results, DiagnosticInfoCollection &diagnosticInfos ) : ResponseHeader | ||
| requestHeader | RequestHeader | The request header. |
| maxAge | double | The Maximum age of the value to be read in milliseconds. |
| timestampsToReturn | TimestampsToReturn | The type of timestamps to be returned for the requested Variables. |
| nodesToRead | ReadValueIdCollection | The list of Nodes and their Attributes to read. |
| results | DataValueCollection | The list of returned Attribute values |
| diagnosticInfos | DiagnosticInfoCollection | The diagnostic information for the results. |
| return | ResponseHeader | |
public override ResponseHeader Read(
RequestHeader requestHeader,
double maxAge,
TimestampsToReturn timestampsToReturn,
ReadValueIdCollection nodesToRead,
out DataValueCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
OperationContext context = ValidateRequest(requestHeader, RequestType.Read);
try
{
if (nodesToRead == null || nodesToRead.Count == 0)
{
throw new ServiceResultException(StatusCodes.BadNothingToDo);
}
m_serverInternal.NodeManager.Read(
context,
maxAge,
timestampsToReturn,
nodesToRead,
out results,
out diagnosticInfos);
return CreateResponse(requestHeader, context.StringTable);
}
catch (ServiceResultException e)
{
lock (ServerInternal.DiagnosticsLock)
{
ServerInternal.ServerDiagnostics.RejectedRequestsCount++;
if (IsSecurityError(e.StatusCode))
{
ServerInternal.ServerDiagnostics.SecurityRejectedRequestsCount++;
}
}
throw TranslateException(context, e);
}
finally
{
OnRequestComplete(context);
}
}
