internal TypeSupportFactory GetTypeSupportFactory(string registeredName)
{
TypeSupportFactory tsFactory = null;
IntPtr gapiPtr = Gapi.DomainParticipant.get_typesupport(
GapiPeer,
registeredName);
if (gapiPtr != IntPtr.Zero)
{
tsFactory = TypeSupportFactory.fromUserData(gapiPtr);
}
return(tsFactory);
}
internal static TypeSupportFactory fromUserData(IntPtr gapiPtr)
{
TypeSupportFactory tsFactory = null;
// Check whether the gapiPtr contains a valid pointer.
if (gapiPtr != IntPtr.Zero)
{
// get the user data out of the gapi object
IntPtr managedIntPtr = Gapi.Entity.get_user_data(gapiPtr);
// Check whether the userData contains a valid pointer.
if (managedIntPtr != IntPtr.Zero)
{
// If so, get the relevant C# Object.
GCHandle tmpGCHandle = GCHandle.FromIntPtr(managedIntPtr);
tsFactory = tmpGCHandle.Target as TypeSupportFactory;
}
}
return(tsFactory);
}
/*
* Constructor for a TypeSupport that uses the specified (custom) Marshaler.
*/
public TypeSupport(Type dataType, TypeSupportFactory tsFactory)
{
this.dataType = dataType;
System.Text.StringBuilder descriptor = new System.Text.StringBuilder();
foreach (string s in Description)
{
descriptor.Append(s);
}
this.dummyOperationDelegate = new DummyOperationDelegate(DummyOperation);
this.gapiPeer = Gapi.FooTypeSupport.alloc(
TypeName, // Original IDL type name
KeyList,
descriptor.ToString(),
IntPtr.Zero, // type_load
dummyOperationDelegate, // copyIn: delay initialization until marshaler present
dummyOperationDelegate, // copyOut: delay initialization until marshaler present
0, // alloc_size
IntPtr.Zero, // alloc buffer
IntPtr.Zero, // writer copy
dummyOperationDelegate); // reader copy: delay initialization until marshaler present
// Base class handles everything.
if (GapiPeer != IntPtr.Zero)
{
tsFactory.SetPeer(GapiPeer);
}
else
{
// Gapi already logged that the TypeSupport has not been created
// successfully. Now create a deliberate null pointer exception
// to let the current constructor fail.
throw new System.NullReferenceException("gapi_fooTypeSupport__alloc returned a NULL pointer.");
}
}
/*
* Constructor for a TypeSupport that uses the specified (custom) Marshaler.
*/
public TypeSupport(Type dataType, TypeSupportFactory tsFactory)
{
this.dataType = dataType;
System.Text.StringBuilder descriptor = new System.Text.StringBuilder();
foreach (string s in Description) {
descriptor.Append(s);
}
this.dummyOperationDelegate = new DummyOperationDelegate(DummyOperation);
this.gapiPeer = Gapi.FooTypeSupport.alloc(
TypeName, // Original IDL type name
KeyList,
descriptor.ToString(),
IntPtr.Zero, // type_load
dummyOperationDelegate, // copyIn: delay initialization until marshaler present
dummyOperationDelegate, // copyOut: delay initialization until marshaler present
0, // alloc_size
IntPtr.Zero, // alloc buffer
IntPtr.Zero, // writer copy
dummyOperationDelegate); // reader copy: delay initialization until marshaler present
// Base class handles everything.
if (GapiPeer != IntPtr.Zero)
{
tsFactory.SetPeer(GapiPeer);
}
else
{
// Gapi already logged that the TypeSupport has not been created
// successfully. Now create a deliberate null pointer exception
// to let the current constructor fail.
throw new System.NullReferenceException("gapi_fooTypeSupport__alloc returned a NULL pointer.");
}
}
public IDataReader CreateDataReader(
ITopicDescription topic,
IDataReaderListener listener,
StatusKind mask)
{
DataReader dataReader = null;
if (topic != null)
{
SacsSuperClass superObj = (SacsSuperClass)topic;
if (listener != null)
{
OpenSplice.Gapi.gapi_dataReaderListener gapiListener;
DataReaderListenerHelper listenerHelper = new DataReaderListenerHelper();
listenerHelper.Listener = listener;
listenerHelper.CreateListener(out gapiListener);
using (DataReaderListenerMarshaler listenerMarshaler =
new DataReaderListenerMarshaler(ref gapiListener))
{
IntPtr gapiPtr = Gapi.Subscriber.create_datareader(
GapiPeer,
superObj.GapiPeer,
IntPtr.Zero,
listenerMarshaler.GapiPtr,
mask);
if (gapiPtr != IntPtr.Zero)
{
DDS.OpenSplice.DomainParticipant participantImpl;
participantImpl = topic.Participant as DDS.OpenSplice.DomainParticipant;
TypeSupportFactory tsFactory = participantImpl.GetTypeSupportFactory(topic.TypeName);
dataReader = tsFactory.CreateDataReader(gapiPtr);
dataReader.SetListener(listenerHelper);
}
}
}
else
{
IntPtr gapiPtr = Gapi.Subscriber.create_datareader(
GapiPeer,
superObj.GapiPeer,
IntPtr.Zero,
IntPtr.Zero,
StatusKind.Any);
if (gapiPtr != IntPtr.Zero)
{
DDS.OpenSplice.DomainParticipant participantImpl;
participantImpl = topic.Participant as DDS.OpenSplice.DomainParticipant;
TypeSupportFactory tsFactory = participantImpl.GetTypeSupportFactory(topic.TypeName);
dataReader = tsFactory.CreateDataReader(gapiPtr);
}
}
}
if (dataReader != null)
{
SubscriberQos subQos = null;
ReturnCode result = GetQos(ref subQos);
if (result == ReturnCode.Ok)
{
if (subQos.EntityFactory.AutoenableCreatedEntities)
{
dataReader.Enable();
}
}
}
return(dataReader);
}
public IDataWriter CreateDataWriter(
ITopic topic,
IDataWriterListener listener,
StatusKind mask)
{
DataWriter dataWriter = null;
Topic topicObj = topic as Topic;
if (listener != null)
{
// Note: we use the same gapi lister as the DataWriter since the
// publisher doesn't add anything unique
OpenSplice.Gapi.gapi_publisherDataWriterListener gapiListener;
PublisherDataWriterListenerHelper listenerHelper = new PublisherDataWriterListenerHelper();
listenerHelper.Listener = listener;
listenerHelper.CreateListener(out gapiListener);
using (PublisherDataWriterListenerMarshaler listenerMarshaler =
new PublisherDataWriterListenerMarshaler(ref gapiListener))
{
IntPtr gapiPtr = Gapi.Publisher.create_datawriter(
GapiPeer,
topicObj.GapiPeer,
Gapi.NativeConstants.GapiDataWriterQosDefault,
listenerMarshaler.GapiPtr,
mask);
if (gapiPtr != IntPtr.Zero)
{
DDS.OpenSplice.DomainParticipant participantImpl;
participantImpl = topic.Participant as DDS.OpenSplice.DomainParticipant;
TypeSupportFactory tsFactory = participantImpl.GetTypeSupportFactory(topic.TypeName);
dataWriter = tsFactory.CreateDataWriter(gapiPtr);
dataWriter.SetListener(listenerHelper);
}
}
}
else
{
IntPtr gapiPtr = Gapi.Publisher.create_datawriter(
GapiPeer,
topicObj.GapiPeer,
Gapi.NativeConstants.GapiDataWriterQosDefault,
IntPtr.Zero,
mask);
if (gapiPtr != IntPtr.Zero)
{
DDS.OpenSplice.DomainParticipant participantImpl;
participantImpl = topic.Participant as DDS.OpenSplice.DomainParticipant;
TypeSupportFactory tsFactory = participantImpl.GetTypeSupportFactory(topic.TypeName);
dataWriter = tsFactory.CreateDataWriter(gapiPtr);
}
}
if (dataWriter != null)
{
PublisherQos pubQos = null;
ReturnCode result = GetQos(ref pubQos);
if (result == ReturnCode.Ok)
{
if (pubQos.EntityFactory.AutoenableCreatedEntities)
{
dataWriter.Enable();
}
}
}
return(dataWriter);
}
