private void FindWritePacketOrCreate(PacketMap pm, WriteDataServiceRequest request)
{
try
{
//The data is already broken up into appropriately sized chunks, we just have
//to find a place to put it...
int rSize = request.Size;
for (int i = 0; i < _writeMsrPackets.Count; i++)
{
if (_writeMsrPackets[i].Size + rSize < MAX_MSR_SIZE)
{
//This one will fit the packet
int svc = _writeMsrPackets[i].AddService(request.Pack());
pm.PacketIndex.Add(i);
pm.ServiceIndex.Add(i);
return;
}
}
//If we got here, we have to create a new one...
MultiServiceRequest msr = new MultiServiceRequest();
pm.PacketIndex.Add(_writeMsrPackets.Count);
_writeMsrPackets.Add(msr);
pm.ServiceIndex.Add(msr.AddService(request.Pack()));
}
catch (Exception ex)
{
_logger.LogError("LogixTagGroup FindWritePacketOrCreate: " + ex.Message + " " + ex.StackTrace);
}
}
private int[] FindPacketOrCreate(byte[] request, ushort replySize)
{
//We'll go through all the packets and find one that can fit both the
//request size and the reply size...
int[] retVal = new int[2]; //Packet Number, Service Number
for (int i = 0; i < _msrPackets.Count; i++)
{
if (_msrPackets[i].ReplySize + replySize <= MAX_MSR_SIZE)
{
//Possible candidate, let's see if we can put the request in it...
if (_msrPackets[i].Size + request.Length <= MAX_MSR_SIZE)
{
//Got one!
retVal[0] = i;
retVal[1] = _msrPackets[i].AddService(request);
_msrPackets[i].ReplySize += replySize;
return(retVal);
}
}
}
//If we got here, we need to create one...
MultiServiceRequest newPacket = new MultiServiceRequest();
retVal[0] = _msrPackets.Count;
_msrPackets.Add(newPacket);
retVal[1] = _msrPackets[retVal[0]].AddService(request);
_msrPackets[retVal[0]].ReplySize += replySize;
return(retVal);
}
