// Process Port commands.
// Returns zero on success.
public override byte CommandHandler(MessageTransaction mtx)
{
PacketBuffer g = mtx.MsgBuffer;
Boolean isReply = ((g.flagsRS() & ProtocolConstants.MESSAGE_FLAGS_IS_REPLY) != 0);
if (((!isReply) && (g.command() < ProtocolConstants.MEDIATOR_CONTROL_CMD_BASE)) ||
(isReply && (g.senderId() == ProtocolConstants.IDENT_MEDIATOR)))
{
byte dataIndex = ProtocolConstants.GENERAL_DATA_ARRAY_OFFSET;
byte[] tmp;
switch (g.command())
{
// Standard device commands.
case ProtocolConstants.MEDIATOR_DEVICE_RESET: // Reset the module.
Manager.AppBabelDeviceReset();
break;
case ProtocolConstants.MEDIATOR_DEVICE_STATUS: // Get device status.
if (isReply)
{
return(1);
}
g.dataLength(Diagnostics.GetDeviceStatus(Manager, g.buffer));
mtx.ChangeDir = true;
mtx.Finish = MessageTransaction.FinishAction.Normal;
break;
case ProtocolConstants.MEDIATOR_DEVICE_TICKER: // Get device ticker count.
if (isReply)
{
return(1); // We've been sent a ticker count.
}
// Sender wants to know ticker count.
tmp = Primitives.UIntToByteArray(Primitives.GetBabelMilliTicker());
return(mtx.StoreMessageValue(tmp, (byte)(tmp.Length)));
case ProtocolConstants.MEDIATOR_DEVICE_ERASE: // TODO: erase eeprom and restart.
return(2);
case ProtocolConstants.MEDIATOR_DEVICE_READVAR:
return((MediatorReadCommand(mtx) == 0) ? (byte)1 : (byte)0);
case ProtocolConstants.MEDIATOR_DEVICE_WRITEVAR:
return((MediatorWriteCommand(mtx) == 0) ? (byte)1 : (byte)0);
case ProtocolConstants.MEDIATOR_DEVICE_ISOVAR:
return((MediatorIsoCommand(mtx) == 0) ? (byte)1 : (byte)0);
case ProtocolConstants.MEDIATOR_DEVICE_ISOMONVAR:
return((MediatorIsoCommand(mtx) == 0) ? (byte)1 : (byte)0);
case ProtocolConstants.MEDIATOR_DEVICE_ISOMSG:
return((MediatorIsoCommand(mtx) == 0) ? (byte)1 : (byte)0);
case ProtocolConstants.MEDIATOR_DEVICE_LOG:
if (!isReply)
{
if (Settings.LogOn)
{
uint ticks = (uint)Primitives.GetArrayValueU(g.buffer, dataIndex, 4);
string s;
byte logType = g.buffer[dataIndex + 4];
if (Settings.LogBinary || logType == 'B')
{
int start = dataIndex + 5;
int last = dataIndex + g.dataLength();
s = "(";
for (int k = start; k < last; k++)
{
s = s + g.buffer[k].ToString("X2") + " ";
}
s += ")";
}
else
{
s = Primitives.GetArrayStringValue(g.buffer, dataIndex + 5, g.dataLength() - 5);
}
Log.d("MediatorNetIf:" + Exchange.Id, ":" + ticks + ":" + s);
}
}
return(1);
// Connection specific commands.
case ProtocolConstants.MEDIATOR_DEVICE_GETSN: // Get SN of receiver device at end of link.
if (isReply) // We've been sent an SN for SPort.
{
g.buffer[dataIndex + g.dataLength()] = 0;
Manager.SerialNumberManager.UpdateSerialNumbers(g.buffer, dataIndex, g.dataLength(), g.iNetIf, g.sender());
if (mtx.MsgBuffer.iNetIf != ProtocolConstants.NETIF_USER_BASE) // Notify master of SN via connection attach command.
{
SendLinkMediatorCommand(this, true, ProtocolConstants.MEDIATOR_CONNECT_ATTACH, g.dataLength(), g.buffer, dataIndex);
}
break;
}
// Sender wants to know SN of master.
g.dataLength(Manager.SerialNumberManager.CopyMasterSerialNumber(g.buffer, dataIndex, g.iNetIf));
mtx.ChangeDir = true;
mtx.Finish = MessageTransaction.FinishAction.Normal;
break;
case ProtocolConstants.MEDIATOR_CONNECT_ATTACH: // TODO: Report attach and SN of device.
case ProtocolConstants.MEDIATOR_CONNECT_DETACH: // TODO: Report detach of device.
case ProtocolConstants.MEDIATOR_CONNECT_GATEWAY: // TODO: Register as a gateway.
return(10);
default:
// TODO: try handling via NETIF_MEDIATOR_PORT.
return(11);
}
return(0);
}
return(BabelMessage.ProcessIncomingRawMesssage(Exchange, mtx));
}
