public void StopPlayer()
{
Interlocked.CompareExchange(ref _isPlayerOpen, 0, 1);
_lastPlayerChannel = null;
_playerCallback = null;
}
public bool Load(UserIdentity userIdentity, string uniqueName, int slideId, bool autoPrepare)
{
// если кэширование в процессе - отлуп
//if (Interlocked.CompareExchange(ref _nowInPreparationProgress, 1, 0) == 1) return false;
_showPreparator.AutoPrepare = autoPrepare; // Пусть подготовится автоматически, если надо.
bool isSuccess = _showPreparator.StartPreparation(userIdentity, uniqueName, slideId,
AskClientForNotEnoughFreeSpace,
_showPreparator_OnPreparationFinish,
_showPreparator_OnResourceTransmit,
_showPreparator_OnReceiveAgentResourcesList,
_showPreparator_OnUploadSpeed,
_showPreparator_OnPreparationForDisplayEnded,
_showPreparator_OnLogMessage);
if (isSuccess)
{
_callback = OperationContext.Current.GetCallbackChannel<IShowNotifier>();
}
return isSuccess;
}
public bool StartPlayer()
{
bool retValue = Interlocked.CompareExchange(ref _isPlayerOpen, 1, 0) == 0;
if (!retValue)
{
if (_lastPlayerChannel != null
&& _lastPlayerChannel.State != CommunicationState.Closed
&& _lastPlayerChannel.State != CommunicationState.Closing
&& _lastPlayerChannel.State != CommunicationState.Faulted)
{
try
{
if (_playerCallback != null)
_playerCallback.Ping();
}
catch (Exception ex)
{
_config.EventLog.WriteWarning(string.Format("ShowService.StartPlayer: Мертвый канал ранне запущенного плеера, новый запуск разрешен\n {0}", ex));
_lastPlayerChannel = OperationContext.Current.Channel;
_playerInstanceRemoteAddress = GetRemoteAddress(OperationContext.Current);
_playerCallback = OperationContext.Current.GetCallbackChannel<IShowNotifier>();
return true;
}
_config.EventLog.WriteInformation(string.Format("ShowService.StartPlayer: Запущен другой экземпляр плеера по адресу: {0}", _playerInstanceRemoteAddress));
return false;
}
else
{
_lastPlayerChannel = OperationContext.Current.Channel;
_playerInstanceRemoteAddress = GetRemoteAddress(OperationContext.Current);
_playerCallback = OperationContext.Current.GetCallbackChannel<IShowNotifier>();
return true;
}
}
else
{
_lastPlayerChannel = OperationContext.Current.Channel;
_playerInstanceRemoteAddress = GetRemoteAddress(OperationContext.Current);
_playerCallback = OperationContext.Current.GetCallbackChannel<IShowNotifier>();
return true;
}
}
