public void TestAssertLiveliness()
{
// Initialize entities
DataWriterQos qos = new DataWriterQos();
qos.Liveliness.Kind = LivelinessQosPolicyKind.ManualByTopicLivelinessQos;
qos.Liveliness.LeaseDuration = new Duration
{
Seconds = 1,
};
DataWriter writer = _publisher.CreateDataWriter(_topic, qos);
Assert.IsNotNull(writer);
// Manually assert liveliness
for (int i = 0; i < 5; i++)
{
ReturnCode assertResult = writer.AssertLiveliness();
Assert.AreEqual(ReturnCode.Ok, assertResult);
System.Threading.Thread.Sleep(500);
}
//// Check that no liveliness has been lost
LivelinessLostStatus status = default;
ReturnCode result = writer.GetLivelinessLostStatus(ref status);
Assert.AreEqual(ReturnCode.Ok, result);
Assert.AreEqual(0, status.TotalCount);
Assert.AreEqual(0, status.TotalCountChange);
}
public void TestGetLivelinessLostStatus()
{
// Initialize entities
DataWriterQos dwQos = new DataWriterQos();
dwQos.Liveliness.Kind = LivelinessQosPolicyKind.ManualByTopicLivelinessQos;
dwQos.Liveliness.LeaseDuration = new Duration
{
Seconds = 1,
};
DataWriter writer = _publisher.CreateDataWriter(_topic, dwQos);
Assert.IsNotNull(writer);
TestStructDataWriter dataWriter = new TestStructDataWriter(writer);
Assert.IsNotNull(dataWriter);
// After half second liveliness should not be lost yet
System.Threading.Thread.Sleep(500);
LivelinessLostStatus status = default;
ReturnCode result = writer.GetLivelinessLostStatus(ref status);
Assert.AreEqual(ReturnCode.Ok, result);
Assert.AreEqual(0, status.TotalCount);
Assert.AreEqual(0, status.TotalCountChange);
// After one second and a half one liveliness should be lost
System.Threading.Thread.Sleep(1000);
result = writer.GetLivelinessLostStatus(ref status);
Assert.AreEqual(ReturnCode.Ok, result);
Assert.AreEqual(1, status.TotalCount);
Assert.AreEqual(1, status.TotalCountChange);
}
public ReturnCode GetLivelinessLostStatus(
ref LivelinessLostStatus status)
{
ReturnCode result;
ReportStack.Start();
if (this.rlReq_isAlive)
{
if (status == null)
{
status = new LivelinessLostStatus();
}
GCHandle statusGCHandle = GCHandle.Alloc(status, GCHandleType.Normal);
result = uResultToReturnCode(
User.Writer.GetLivelinessLostStatus(
rlReq_UserPeer, 1, LivelinessLostStatusMarshaler.CopyOut, GCHandle.ToIntPtr(statusGCHandle)));
status = statusGCHandle.Target as LivelinessLostStatus;
statusGCHandle.Free();
}
else
{
result = DDS.ReturnCode.AlreadyDeleted;
}
ReportStack.Flush(this, result != ReturnCode.Ok);
return(result);
}
private void PrivateLivelinessLost(IntPtr entityData, IntPtr writerPtr, LivelinessLostStatus status)
{
if (listener != null)
{
IDataWriter dataWriter = (IDataWriter)OpenSplice.SacsSuperClass.fromUserData(writerPtr);
listener.OnLivelinessLost(dataWriter, status);
}
}
private void PrivateLivelinessLost(IntPtr entityData, IntPtr writerPtr, LivelinessLostStatus status)
{
if (listener != null)
{
IDataWriter dataWriter = (IDataWriter)OpenSplice.SacsSuperClass.fromUserData(writerPtr);
listener.OnLivelinessLost(dataWriter, status);
}
}
public ReturnCode GetLivelinessLostStatus(
ref LivelinessLostStatus status)
{
if (status == null)
{
status = new LivelinessLostStatus();
}
return(Gapi.DataWriter.get_liveliness_lost_status(GapiPeer, status));
}
internal static V_RESULT CopyOut(IntPtr fromPtr, IntPtr toPtr)
{
v_livelinessLostInfo from = (v_livelinessLostInfo)Marshal.PtrToStructure(fromPtr, type);
GCHandle toGCHandle = GCHandle.FromIntPtr(toPtr);
LivelinessLostStatus to = toGCHandle.Target as LivelinessLostStatus;
V_RESULT result = CopyOut(ref from, to);
toGCHandle.Target = to;
return(result);
}
public override void OnLivelinessLost(DataWriter writer, LivelinessLostStatus status)
{
LivelinessLost?.Invoke(writer, status);
}
/*! This event is raised when the DataWriter failed to signal its liveliness
* within the time specified by the LivelinessQosPolicy */
public void OnLivelinessLostHendler(DataWriter dataWriter, LivelinessLostStatus status)
{
Console.WriteLine("Liveliness Lost on DataWriter: " + dataWriter.Name);
}
public static extern ReturnCode get_liveliness_lost_status(
IntPtr _this,
LivelinessLostStatus status
);
public static extern ReturnCode get_liveliness_lost_status(
IntPtr _this,
LivelinessLostStatus status
);
internal static V_RESULT CopyOut(ref v_livelinessLostInfo from, LivelinessLostStatus to)
{
to.TotalCount = from.totalCount;
to.TotalCountChange = from.totalChanged;
return(V_RESULT.OK);
}
