/// <summary>
/// Handle recieved data. This should be called when data is recieved from TCP or Serial handler
/// </summary>
/// <param name="pData"></param>
public void OnDataRecieved(byte[] pData)
{
lock (lockQue) {
//create MBMsg object based on RTU setting
MBMsg msg;
if (IsRTU)
{
msg = new MBMsgRTU();
}
else
{
msg = new MBMsgTCP();
}
//make a Message from the buffer
if (msg.FromArray(pData)) //if message from array success
{
_que[0].Cmd.HandleMsg(msg); //forward msg to first cmd in buffer
}
if (!IsRTU && ((MBMsgTCP)msg).TransactionID != ((MBMsgTCP)(_que[0].Msg)).TransactionID)
{
_OnError("Lost transaction");
}
_que.RemoveAt(0); //remove from que, either successfully handled or something wrong with incomming data. Either way, this transaction is done
}
}
/*
* public MBController()
* : this("default") {
* }
*/
#endregion
/// <summary>
/// Que a new message in the buffer
/// </summary>
/// <param name="nUnitID"></param>
/// <param name="nFuncID"></param>
/// <param name="pMsgData"></param>
/// <param name="cmd"></param>
public void QueMsg(byte nUnitID, MBFunctionType nFuncID, byte[] pMsgData, MBCommand cmd)
{
MBMsg msg;
lock (lockQue) {
//create a message
if (IsRTU)
{
msg = new MBMsgRTU(nUnitID, nFuncID, pMsgData);
}
else
{
msg = new MBMsgTCP(nUnitID, nFuncID, pMsgData)
{
TransactionID = _nTransactionID
}
};
_nTransactionID++; //increment transaction id
//add to que
_que.Add(new MBMsgCmdItem(msg, cmd));
if (_que.Count > MAX_QUE)
{
int nRemove = _rnd.Next(MAX_QUE - 1) + 1;
_que.RemoveAt(nRemove); //remove at random to avoid any kind of pattern, not 0, since 0 may be in the process of beeing send. 1 never is (due to lock on buffer)
_OnError("Buffer full, removing item " + nRemove.ToString());
}
}
}