internal virtual ReturnCode init(Subscriber subscriber, DataReaderQos drQos, ITopicDescriptionImpl aTopic, string drName)
{
ReturnCode result = DDS.ReturnCode.Ok;
MyDomainId = subscriber.MyDomainId;
using (OpenSplice.CustomMarshalers.DataReaderQosMarshaler qosMarshaler =
new OpenSplice.CustomMarshalers.DataReaderQosMarshaler())
{
result = qosMarshaler.CopyIn(drQos);
if (result == ReturnCode.Ok)
{
using (SequenceStringToCValueArrMarshaler paramsMarshaler = new SequenceStringToCValueArrMarshaler())
{
string[] _params = aTopic.rlReq_TopicExpressionParameters;
result = paramsMarshaler.CopyIn(_params);
if (result == ReturnCode.Ok)
{
IntPtr uReader = User.DataReader.NewBySQL(
subscriber.rlReq_UserPeer,
drName,
aTopic.rlReq_TopicExpression,
paramsMarshaler.UserPtr,
_params == null ? 0 : Convert.ToUInt32(_params.Length),
qosMarshaler.UserPtr);
if (uReader != IntPtr.Zero)
{
result = base.init(uReader);
}
else
{
ReportStack.Report(result, "Could not allocate memory.");
result = DDS.ReturnCode.OutOfResources;
}
}
else
{
ReportStack.Report(result, "Could not create DataReader.");
}
}
}
else
{
ReportStack.Report(result, "Could not copy DataReaderQos.");
}
}
if (result == ReturnCode.Ok)
{
this.subscriber = subscriber;
this.topic = aTopic;
aTopic.wlReq_IncrNrUsers();
}
return(result);
}
internal ReturnCode ValidateFilter(string filterExpression, string[] filterParameters)
{
ReturnCode result = DDS.ReturnCode.BadParameter;
int length = (filterParameters != null) ? filterParameters.Length : 0;
IntPtr qExpr = IntPtr.Zero;
IntPtr qParams = IntPtr.Zero;
ReportStack.Start();
if (length < 100)
{
qExpr = DDS.OpenSplice.Kernel.Parser.parse(filterExpression);
if (qExpr != IntPtr.Zero && length > 0)
{
SequenceStringToCValueArrMarshaler.CopyIn(filterParameters, ref qParams);
}
else
{
ReportStack.Report(result, "ContentFilteredTopic cannot be created. Invalid expression: " + filterExpression);
}
}
else
{
ReportStack.Report(result, "ContentFilteredTopic cannot be created. Too many parameters " + length + " (max = 99)");
}
if (qExpr != IntPtr.Zero)
{
if (User.Topic.ContentFilterValidate2(rlReq_UserPeer, qExpr, qParams) != 0)
{
result = DDS.ReturnCode.Ok;
}
else
{
ReportStack.Report(result, "ContentFilteredTopic cannot be created. Filter invalid: " + filterExpression);
}
if (qParams != IntPtr.Zero)
{
SequenceStringToCValueArrMarshaler.CleanupIn(ref qParams, length);
}
q.dispose(qExpr);
}
ReportStack.Flush(this, result != ReturnCode.Ok);
return(result);
}
