public override Status Task(params object[] tArgs)
{
if (!this.Available)
{
return(m_Status);
}
do
{
switch (m_Status)
{
case Status.FSM_STARTING:
m_Status = Status.FSM_WORKING;
break;
case Status.FSM_CLOSING:
case Status.FSM_PENDING:
case Status.FSM_WORKING:
break;
case Status.FSM_ERROR:
case Status.FSM_INVALID:
case Status.FSM_CANCELLED:
case Status.FSM_CLOSED:
case Status.FSM_IDLE:
default:
return(m_Status);
}
//! stop event
if (m_Event.WaitOne(0))
{
lock (m_Locker)
{
foreach (State tItem in m_ActiveStateSet)
{
if (null == tItem)
{
continue;
}
else if (!tItem.Available)
{
continue;
}
if ((tItem.IsActive) || (tItem.Status == Status.FSM_IDLE))
{
tItem.StopSignal.Set();
}
}
foreach (State tItem in m_ActiveFSMSet)
{
if (null == tItem)
{
continue;
}
else if (!tItem.Available)
{
continue;
}
IFSM tFSM = tItem as IFSM;
if (null == tFSM)
{
continue;
}
if ((tFSM.IsActive) || (tFSM.Status == Status.FSM_IDLE))
{
tFSM.RequestStop();
}
}
m_Event.Reset();
}
}
m_StateChanged = false; //!< reset state change flag
lock (m_Locker)
{
State[] tActiveStates = m_ActiveStateSet.ToArray();
foreach (State tItem in tActiveStates)
{
if (null == tItem)
{
continue;
}
else if (!tItem.Available)
{
continue;
}
switch (tItem.Task(m_Args))
{
case Status.FSM_PENDING:
case Status.FSM_CLOSING:
case Status.FSM_STARTING:
case Status.FSM_WORKING:
break;
case Status.FSM_ERROR:
//! encountered an unhandled error
if (ErrorHandler(m_Args))
{
continue;
}
m_Status = Status.FSM_ERROR;
return(m_Status);
case Status.FSM_INVALID:
case Status.FSM_CANCELLED:
case Status.FSM_CLOSED:
case Status.FSM_IDLE:
default:
m_FreeStateSet.Add(tItem);
m_ActiveStateSet.Remove(tItem.ID);
m_StateChanged = true;
break;
}
}
tActiveStates = m_ActiveFSMSet.ToArray();
foreach (State tItem in tActiveStates)
{
if (null == tItem)
{
continue;
}
else if (!tItem.Available)
{
continue;
}
switch (tItem.Task(m_Args))
{
case Status.FSM_ERROR:
m_Status = Status.FSM_ERROR;
return(m_Status);
case Status.FSM_CLOSING:
case Status.FSM_PENDING:
case Status.FSM_STARTING:
case Status.FSM_WORKING:
break;
case Status.FSM_INVALID:
case Status.FSM_CANCELLED:
case Status.FSM_CLOSED:
case Status.FSM_IDLE:
default:
m_FreeStateSet.Add(tItem);
m_ActiveFSMSet.Remove(tItem.ID);
m_StateChanged = true;
IFSM tFSM = tItem as IFSM;
if (null != tFSM)
{
tFSM.Reset();
}
do
{
miniFSM tminiFSM = tItem as miniFSM;
if (null == tminiFSM)
{
break;
}
else if (null == tminiFSM.ReturnStateID)
{
break;
}
this.TriggerFSM(tminiFSM.ReturnStateID, m_Args);
}while (false);
break;
}
}
}
RefreshState();
}while (m_StateChanged);
return(m_Status);
}
