protected void CacheTransmission(byte[] request, byte[] response, EdiabasNet.ErrorCodes errorCode)
{
if (!EnableTransmitCache)
{
return;
}
if (errorCode == EdiabasNet.ErrorCodes.EDIABAS_IFH_0003)
{
return;
}
if (request.Length > 0)
{
StoreWriteTransaction();
WriteTransaction = new TransmitStorage(request, response, errorCode);
}
else
{
if (WriteTransaction != null)
{
if (response != null && response.Length > 0)
{
byte[] buffer = new byte[response.Length];
Array.Copy(response, buffer, response.Length);
WriteTransaction.ResponseList.Add(buffer);
}
if (errorCode != EdiabasNet.ErrorCodes.EDIABAS_ERR_NONE && WriteTransaction.ErrorCode == EdiabasNet.ErrorCodes.EDIABAS_ERR_NONE)
{
WriteTransaction.ErrorCode = errorCode;
}
}
}
}
protected void StoreWriteTransaction()
{
if (WriteTransaction != null)
{
if (TransmitCacheDict.ContainsKey(WriteTransaction.Key))
{
TransmitCacheDict.Remove(WriteTransaction.Key);
}
TransmitCacheDict.Add(WriteTransaction.Key, WriteTransaction);
WriteTransaction = null;
}
}
protected bool ReadCachedTransmission(byte[] request, out byte[] response, out EdiabasNet.ErrorCodes errorCode)
{
response = null;
errorCode = EdiabasNet.ErrorCodes.EDIABAS_IFH_0009;
if (!EnableTransmitCache)
{
return(false);
}
if (request.Length > 0)
{
StoreWriteTransaction();
ReadTransaction = null;
ReadTransactionPos = 0;
TransmitCacheDict.TryGetValue(BitConverter.ToString(request), out ReadTransaction);
}
if (ReadTransaction == null)
{
return(false);
}
if (request.Length > 0)
{
Ediabas.LogData(EdiabasNet.EdLogLevel.Ifh, request, 0, request.Length, "Send Cache");
}
if ((ReadTransaction.Request.Length > 0) && ((ReadTransaction.Request[0] & 0xC0) == 0xC0))
{ // functional address
if (ReadTransaction.ErrorCode == EdiabasNet.ErrorCodes.EDIABAS_ERR_NONE)
{ // transmission not completed
Ediabas.LogString(EdiabasNet.EdLogLevel.Ifh, "Incomplete cached response");
return(false);
}
}
if (ReadTransaction.ResponseList.Count > ReadTransactionPos)
{
response = ReadTransaction.ResponseList[ReadTransactionPos++];
errorCode = EdiabasNet.ErrorCodes.EDIABAS_ERR_NONE;
Ediabas.LogData(EdiabasNet.EdLogLevel.Ifh, response, 0, response.Length, "Resp Cache");
}
else
{
if (ReadTransaction.ErrorCode != EdiabasNet.ErrorCodes.EDIABAS_ERR_NONE)
{
errorCode = ReadTransaction.ErrorCode;
}
}
return(true);
}
