protected override long CalcEcTimeDelay(SaiEcFrame ecFrame)
{
var actualRemoteEcValue = ecFrame.EcValue;
var delta = (long)_remoteCounter.CurrentValue - (long)actualRemoteEcValue;
if (delta > 3)
{
_state3Count++;
}
// 如果Delta小于0或者连接5个周期Delta差值在3以上，则执行修正程序。
if (delta < 0)
{
return(0);
}
else if (_state3Count > 5)
{
_remoteCounter.UpdateCurrentValue(actualRemoteEcValue);
_state3Count = 0;
return(0);
}
else
{
return((delta * _remoteCounter.ExcutionCycle) / 10);
}
}
protected override void HandleEcFrame(SaiEcFrame ecFrame)
{
if (ecFrame.FrameType == SaiFrameType.EC_Start)
{
this.Context.RsspEP.DefenseTech = MessageDelayDefenseTech.EC;
var strategy = new EcDefenseStrategy(this.Context.RsspEP.LocalID, this.Context.RsspEP.EcInterval);
this.Context.DefenseStrategy = strategy;
this.Context.CurrentState = new EcWaitingforStart1State(this.Context, strategy);
this.Context.CurrentState.HandleFrame(ecFrame);
}
else
{
throw new Exception("SaiInvalideState状态时，收到的第一条帧不是ECStart。");
}
}
protected override void HandleEcFrame(SaiEcFrame ecFrame)
{
if (ecFrame.FrameType == SaiFrameType.EC_Start)
{
this.HandleEcStartFrame(ecFrame as SaiEcFrameStart);
}
else if (ecFrame.FrameType == SaiFrameType.EC_AppDataAskForAck)
{
this.HandleEcAskForAckFrame(ecFrame as SaiEcFrameAskForAck);
}
else if (ecFrame.FrameType == SaiFrameType.EC_AppDataAcknowlegment)
{
this.HandleEcAcknowlegmentFrame(ecFrame as SaiEcFrameAcknowlegment);
}
else if (ecFrame.FrameType == SaiFrameType.EC_AppData)
{
this.HandleEcAppFrame(ecFrame as SaiEcFrameApplication);
}
else
{
LogUtility.Error(string.Format("{0}: {1} 中收到非Ec帧。",
this.Context.RsspEP.ID, this.GetType().Name));
}
}
protected virtual long CalcEcTimeDelay(SaiEcFrame ecFrame)
{
return(0);
}
protected virtual void HandleEcFrame(SaiEcFrame ecFrame)
{
LogUtility.Error(string.Format("{0}: {1}.{2} not implement!",
this.Context.RsspEP.ID, this.GetType().Name,
new StackFrame(0).GetMethod().Name.Split('.').Last()));
}
