private MaslConnection(IMaslConnectionObserver observer, RsspEndPoint rsspEP)
{
_observer = observer;
_rsspEndPoint = rsspEP;
_currentState = this.GetInitialState();
_macCalculator = new TrippleDesMacCalculator(rsspEP.AuthenticationKeys);
_auMsgBuilder = new AuMessageBuilder(rsspEP, _macCalculator);
_handshakeTimeoutMgr = new HandshakeTimeoutManager(MaslConnection.HandshakeTimeout, this);
}
/// <summary>
/// 处理MASL连接变化事件。
/// </summary>
/// <param name="connected">true表示MASL由断到连，false表示MASL由连到断。</param>
private void OnConnectionChanged(bool connected)
{
try
{
if (connected)
{
_currentState = new MaslConnectedState(this);
_observer.OnMaslConnected();
}
else
{
_currentState = this.GetInitialState();
_observer.OnMaslDisconnected();
_macCalculator.InitRandomNumber();
}
}
catch (System.Exception ex)
{
LogUtility.Error(ex.ToString());
}
}
void IAleConnectionObserver.OnAleUserDataArrival(byte[] aleUserData)
{
try
{
var maslFrame = MaslFrame.Parse(aleUserData, 0, aleUserData.Length - 1);
if (maslFrame.FrameType == MaslFrameType.AU1)
{
LogUtility.Info(string.Format("{0}: Masl层当前状态{1}，处理AU1。",
_rsspEndPoint.ID, _currentState.GetType().Name));
_currentState.HandleAu1Frame(maslFrame as MaslAu1Frame);
}
else if (maslFrame.FrameType == MaslFrameType.AU2)
{
LogUtility.Info(string.Format("{0}: Masl层当前状态{1}，处理AU2。",
_rsspEndPoint.ID, _currentState.GetType().Name));
_currentState.HandleAu2Frame(maslFrame as MaslAu2Frame);
}
else if (maslFrame.FrameType == MaslFrameType.AU3)
{
LogUtility.Info(string.Format("{0}: Masl层当前状态{1}，处理AU3。",
_rsspEndPoint.ID, _currentState.GetType().Name));
_currentState.HandleAu3Frame(maslFrame as MaslAu3Frame);
}
else if (maslFrame.FrameType == MaslFrameType.AR)
{
LogUtility.Info(string.Format("{0}: Masl层当前状态{1}，处理AR。",
_rsspEndPoint.ID, _currentState.GetType().Name));
_currentState.HandleArFrame(maslFrame as MaslArFrame);
}
else if (maslFrame.FrameType == MaslFrameType.DT)
{
if (!(_currentState is MaslConnectedState))
{
LogUtility.Error(string.Format("{0}: Masl层当前状态{1}，处理DT。",
_rsspEndPoint.ID, _currentState.GetType().Name));
}
_currentState.HandleDtFrame(maslFrame as MaslDtFrame);
}
else if (maslFrame.FrameType == MaslFrameType.DI)
{
LogUtility.Info(string.Format("{0}: Masl层当前状态{1}，处理DI。",
_rsspEndPoint.ID, _currentState.GetType().Name));
_currentState = this.GetInitialState();
this.Connected = false;
//_currentState.HandleDiFrame(maslFrame as MaslDiFrame);
}
}
catch (MaslException ex)
{
this.Disconnect(ex.MajorReason, ex.MinorReason);
LogUtility.Error(ex.ToString());
}
catch (Exception ex)
{
this.Disconnect(MaslErrorCode.NotDefined, 0);
LogUtility.Error(ex.ToString());
}
}
void IAleConnectionObserver.OnAleDisconnected()
{
_currentState = this.GetInitialState();
this.Connected = false;
}
public void Disconnect(MaslErrorCode majorReason, byte minorReason)
{
_currentState.Disconnect(majorReason, minorReason);
_currentState = this.GetInitialState();
}
