private String CheckConditionsBeforeSendPending(String pending)
{
if (!LastSent.IsOnTheFly())
{
string md = GetMessagingDevice();
if (md == MessagingDevice.Garmin && BaseDeviceCommand.createFrom(pending, this, null).isGarminMessage())
{
if (IsGarminConnected == null || !IsGarminConnected.Value)
{
// var mid = NextSequence;
// pending = GarminFmi.EncodePing().ToTraxFm<String>(mid, this);
// LastSent = new INodeMessage(mid, pending, DateTime.UtcNow) { IsOnTheFly = true };
// STrace.Debug(typeof(IFoteable).FullName, this.GetDeviceId(), "GARMIN PING Sent");
LastSent = null;
return(null);
}
}
else
{
ulong mid = ParserUtils.GetMsgIdTaip(pending);
if (pending.StartsWith(Reporte.WriteGgPrefix) &&
!_sdSession)
{
//si quiero escribir en la sd tengo que abrir sesion antes, y antes tengo que pedir la password para abrir sesion
STrace.Debug(typeof(Parser).FullName, Id, "Sesion de escritura en sd QUERING");
mid = NextSequence;
pending = Mensaje.Factory(mid, this, Reporte.QuerySdSessionPassword.TrimStart('>'));
LastSent = new INodeMessage(mid, pending, DateTime.UtcNow)
{
IsOnTheFly = true
};
}
}
}
return(pending);
}
// TODO: unificar GTEDeviceCommand e INodeMessage si se puede
private void SendPendingFota(ref IMessage msg)
{
string pending = Fota.Peek(this);
if (String.IsNullOrEmpty(pending))
{
return;
}
if (CheckImageSession(pending))
{
return;
}
//procesar primero el pendiente
pending = CheckConditionsBeforeSendPending(pending);
if (String.IsNullOrEmpty(pending))
{
return;
}
#region SendPending
var gteDC = BaseDeviceCommand.createFrom(pending, this, null);
pending = gteDC.ToString(true);
msg = (msg ?? new UserMessage(Id, 0));
msg.AddStringToPostSend(pending);
if (LastSent == null || LastSent.GetText(null) != pending)
{
LastSent = new INodeMessage((ulong)Id, pending, DateTime.UtcNow);
}
#endregion SendPending
}
private bool CheckLastSentAndDequeueIt(String buffer, ulong msgId, ref IMessage salida)
{
var result = true;
string LastCmd = LastSent.GetText(String.Empty);
ulong LastId = LastSent.GetId();
if (buffer.StartsWith(Reporte.SdLocked))
{
_sdSession = false;
STrace.Debug(typeof(Parser).FullName, Id, "Sesion de escritura en sd BORRANDO_POR_LOCKED");
}
else if (buffer.StartsWith(Reporte.SdPassword))
{
//Debug.Assert(LastSent.IsOnTheFly() == true);
if (LastCmd.StartsWith(Reporte.StartGgWriteSession) && (LastId == msgId))
{
LastSent = null;
_sdSession = true;
STrace.Debug(typeof(Parser).FullName, Id, "Sesion de escritura en sd ABIERTA");
}
else if (_sdSession)
{
STrace.Debug(typeof(Parser).FullName, Id, "Sesion de escritura en sd NO_MANEJADO");
}
else if (LastId == msgId)
{
ulong mid = NextSequence;
LastSent = new INodeMessage(mid,
Mensaje.Factory(mid, this,
String.Format("{0}{1}",
Reporte.StartGgWriteSession.TrimStart('>'),
buffer.Substring(8, 8))),
DateTime.MinValue)
{
IsOnTheFly = true
};
salida.AddStringToSend(LastSent.Text);
STrace.Debug(typeof(Parser).FullName, Id, "Sesion de escritura en sd ABRIENDO");
}
else
{
STrace.Debug(typeof(Parser).FullName, Id,
String.Format("Sesion de escritura en sd NADA (LastSent.GetId()={0} msgId={1})",
LastSent.GetId(), msgId));
}
}
else
if (LastSent != null)
{
if (LastSent.IsExpired())
{
LastSent = null;
}
else
{
var lastDC = BaseDeviceCommand.createFrom(LastCmd, this, null);
var respStatus = lastDC.isExpectedResponse(BaseDeviceCommand.createFrom(buffer, this, null));
switch (respStatus)
{
case DeviceCommandResponseStatus.Valid:
result = true;
Fota.Dequeue(this, lastDC.MessageId ?? null);
break;
case DeviceCommandResponseStatus.Invalid:
result = false;
break;
case DeviceCommandResponseStatus.Exception:
Fota.RollbackLastTransaction(this, lastDC.MessageId ?? null);
result = false;
break;
}
}
}
return(result);
}
