void IDataDistributionChannelCallbackLow.OnUnderlyingEvent(IntPtr opaque, IntPtr channelHandle, UnderlyingEvent uEvent)
{
if (uEvent.IsDataAvailable)
{
Timestamp = uEvent.Timestamp;
Offset = uEvent.Offset;
byte[] data = null;
if (uEvent.Buffer != IntPtr.Zero)
{
data = new byte[uEvent.BufferLength.ToInt64()];
Marshal.Copy(uEvent.Buffer, data, 0, data.Length);
}
string key = null;
byte[] keyData = null;
if (uEvent.Key != IntPtr.Zero)
{
keyData = new byte[uEvent.KeyLen.ToInt64()];
Marshal.Copy(uEvent.Key, keyData, 0, keyData.Length);
try
{
key = Encoding.ASCII.GetString(keyData);
}
catch (Exception ex)
{
OnConditionOrError(OPERATION_RESULT.DDM_INVALID_DATA, 0, ex.Message);
key = null;
}
}
OnDataAvailable(key, data);
DataAvailable?.Invoke(this, new DataAvailableEventArgs(this, key, data));
}
else
{
OnConditionOrError(uEvent.Condition, uEvent.NativeCode, uEvent.SubSystemReason);
ConditionOrError?.Invoke(this, new ConditionOrErrorEventArgs(this, uEvent.Condition, uEvent.NativeCode, uEvent.SubSystemReason));
}
}
void IDataDistributionChannelCallbackLow.OnUnderlyingEvent(IntPtr opaque, IntPtr channelHandle, UnderlyingEvent uEvent)
{
if (uEvent.IsDataAvailable)
{
byte[] data = new byte[uEvent.BufferLength.ToInt64()];
Marshal.Copy(uEvent.Buffer, data, 0, data.Length);
byte[] keyData = new byte[uEvent.KeyLen.ToInt64()];
Marshal.Copy(uEvent.Key, keyData, 0, keyData.Length);
string key = string.Empty;
try
{
key = System.Text.Encoding.ASCII.GetString(keyData);
}
catch (Exception ex) { key = ex.Message; }
OnDataAvailable(uEvent.ChannelName, key, data);
DataAvailable?.Invoke(this, new DataAvailableEventArgs(uEvent.ChannelName, key, data));
}
else
{
OnConditionOrError(uEvent.ChannelName, uEvent.Condition, uEvent.NativeCode, uEvent.SubSystemReason);
ConditionOrError?.Invoke(this, new ConditionOrErrorEventArgs(uEvent.ChannelName, uEvent.Condition, uEvent.NativeCode, uEvent.SubSystemReason));
}
}