internal void FromNative(DataReaderQosWrapper wrapper)
{
Deadline = wrapper.Deadline;
DestinationOrder = wrapper.DestinationOrder;
Durability = wrapper.Durability;
LatencyBudget = wrapper.LatencyBudget;
Liveliness = wrapper.Liveliness;
Ownership = wrapper.Ownership;
Reliability = wrapper.Reliability;
History = wrapper.History;
ResourceLimits = wrapper.ResourceLimits;
TimeBasedFilter = wrapper.TimeBasedFilter;
ReaderDataLifecycle = wrapper.ReaderDataLifecycle;
if (UserData == null)
{
UserData = new UserDataQosPolicy();
}
UserData.FromNative(wrapper.UserData);
if (Representation == null)
{
Representation = new DataRepresentationQosPolicy();
}
Representation.FromNative(wrapper.Representation);
}
internal DataReaderQosWrapper ToNative()
{
var data = new DataReaderQosWrapper
{
Deadline = Deadline,
DestinationOrder = DestinationOrder,
Durability = Durability,
LatencyBudget = LatencyBudget,
Liveliness = Liveliness,
Ownership = Ownership,
Reliability = Reliability,
History = History,
ResourceLimits = ResourceLimits,
TimeBasedFilter = TimeBasedFilter,
ReaderDataLifecycle = ReaderDataLifecycle,
};
if (UserData != null)
{
data.UserData = UserData.ToNative();
}
if (Representation != null)
{
data.Representation = Representation.ToNative();
}
return(data);
}
/// <summary>
/// Creates a new <see cref="DataReader" /> with the desired QoS policies and attaches to it the specified <see cref="DataReaderListener" />.
/// </summary>
/// <remarks>
/// <para>The returned <see cref="DataReader" /> will be attached and belong to the <see cref="Subscriber" />.</para>
/// <para>The <see cref="ITopicDescription"/> passed to this operation must have been created from the same <see cref="DomainParticipant" /> that was used to
/// create this <see cref="Subscriber" />. If the <see cref="ITopicDescription"/> was created from a different <see cref="DomainParticipant" />, the operation will fail and
/// return a <see langword="null"/> result.</para>
/// </remarks>
/// <param name="topicDescription">The <see cref="ITopicDescription" /> that the <see cref="DataReader" /> will be associated with.</param>
/// <param name="qos">The <see cref="DataReaderQos" /> policies to be used for creating the new <see cref="DataReader" />.</param>
/// <param name="listener">The <see cref="DataReaderListener" /> to be attached to the newly created <see cref="DataReader" />.</param>
/// <param name="statusMask">The <see cref="StatusMask" /> of which status changes the listener should be notified.</param>
/// <returns>The newly created <see cref="DataReader" /> on success, otherwise <see langword="null"/>.</returns>
public DataReader CreateDataReader(ITopicDescription topicDescription, DataReaderQos qos, DataReaderListener listener, StatusMask statusMask)
{
if (topicDescription is null)
{
throw new ArgumentNullException(nameof(topicDescription));
}
DataReaderQosWrapper qosWrapper = default;
if (qos is null)
{
qos = new DataReaderQos();
var ret = GetDefaultDataReaderQos(qos);
if (ret == ReturnCode.Ok)
{
qosWrapper = qos.ToNative();
}
}
else
{
qosWrapper = qos.ToNative();
}
IntPtr nativeListener = IntPtr.Zero;
if (listener != null)
{
nativeListener = listener.ToNative();
}
IntPtr td = topicDescription.ToNativeTopicDescription();
IntPtr native = UnsafeNativeMethods.CreateDataReader(_native, td, qosWrapper, nativeListener, statusMask);
qos.Release();
if (native.Equals(IntPtr.Zero))
{
return(null);
}
var dr = new DataReader(native)
{
Listener = listener,
};
EntityManager.Instance.Add((dr as Entity).ToNative(), dr);
ContainedEntities.Add(dr);
return(dr);
}
/// <summary>
/// Gets the <see cref="DataReader" /> QoS policies.
/// </summary>
/// <param name="qos">The <see cref="DataReaderQos" /> to be filled up.</param>
/// <returns>The <see cref="ReturnCode" /> that indicates the operation result.</returns>
public ReturnCode GetQos(DataReaderQos qos)
{
if (qos == null)
{
return(ReturnCode.BadParameter);
}
DataReaderQosWrapper qosWrapper = default;
var ret = UnsafeNativeMethods.GetQos(_native, ref qosWrapper);
if (ret == ReturnCode.Ok)
{
qos.FromNative(qosWrapper);
}
qos.Release();
return(ret);
}
public static extern ReturnCode SetQos(IntPtr dr, [MarshalAs(UnmanagedType.Struct), In] DataReaderQosWrapper qos);
public static extern ReturnCode GetDefaultDataReaderQos(IntPtr sub, [MarshalAs(UnmanagedType.Struct), In, Out] ref DataReaderQosWrapper qos);
public static extern IntPtr CreateDataReader(IntPtr sub, IntPtr topic, [MarshalAs(UnmanagedType.Struct), In] DataReaderQosWrapper qos, IntPtr a_listener, uint mask);