public Boolean CallFSM(SafeID tID, String tReturnID, params Object[] tArgs)
{
if (!this.Available)
{
return(false);
}
else if (!this.IsActive)
{
return(false);
}
lock (m_Locker)
{
State tTarget = m_FreeStateSet.Find(tID);
if (null != tTarget)
{
if (!tTarget.Available)
{
return(false);
}
if (tTarget.IsFSM)
{
IFSM tFSM = tTarget as IFSM;
if (null == tFSM)
{
return(false);
}
m_FreeStateSet.Remove(tID);
m_ActiveFSMSet.Add(tTarget);
tFSM.Reset();
do
{
miniFSM tminiFSM = tFSM as miniFSM;
if (null == tminiFSM)
{
break;
}
tminiFSM.m_ReturnStateID = tReturnID;
}while (false);
tFSM.Start(tArgs);
}
else
{
m_FreeStateSet.Remove(tID);
m_ActiveStateSet.Add(tTarget);
}
}
}
m_StateChanged = true;
RefreshState();
return(true);
}
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);
}
public miniFSM(String tID, AutoResetEvent tEvent, miniFSM tParent)
: base(tID, null, tEvent, tParent)
{
Initialize();
}
public miniFSM(String tID, AutoResetEvent tEvent, miniFSM tParent, params Object[] tArgs)
: base(tID, null, tEvent, tParent)
{
m_Args = tArgs;
Initialize();
}
public miniFSM(String tID, miniFSM tParent)
: base(tID, null, null, tParent)
{
Initialize();
}