// Make a copy of message for task handler.
// If pktLen!=0, sets idx and copy pktLen to that.
// Returns new index if successful.
int CopyMessage(int idx, byte pktLen)
{
int ioIndex = Manager.IoBuffersFreeHeap.Allocate();
if (ioIndex != -1)
{
PacketBuffer a = Manager.IoBuffers[idx];
PacketBuffer b = Manager.IoBuffers[ioIndex];
if (pktLen == 0)
{
pktLen = (byte)(ProtocolConstants.GENERAL_OVERHEADS_SIZE + a.dataLength());
}
else
{
a.pktLen = pktLen;
}
b.meta(a);
Array.Copy(a.buffer, 0, b.buffer, 0, pktLen);
}
return(ioIndex);
}
