protected void OutputResponse(DataStorage dts)
{
int valPos = 0, valLeft = 0;
RefCountPtr* valData = null;
for (var oe = _clist; oe != null; )
{
var ds = dts.GetSegmentToRead(iBigBlockSize);
fixed (byte* bp = ds.Buffer)
{
byte* cp = bp + ds.Offset + ds.Count, ep = cp + ds.Size;
for (; oe != null; oe = oe->next)
{
if (valLeft == 0)
{
if (SkipResponse(oe)) continue;
// write response header information.
var xp = WritePacket(oe, cp, ep);
// check for boundary crossing in buffer.
if (xp == cp) break;
cp = xp;
if (oe->status != iSuccess) continue;
valLeft = oe->ValSize;
if (valLeft == 0) continue;
valData = oe->val_addr;
// quick path, small value copy to output.
if (valLeft < iBigBlockSize)
{
var bleft = (int)(ep - cp);
if (bleft >= valLeft)
{
_memcopy(cp, _skip(valData, 0), valLeft);
cp += valLeft;
valLeft = 0;
continue;
}
}
valPos = 0;
}
// copy value bytes into the buffer.
do
{
int dleft = (int)(ep - cp), sleft = iBigBlockSize - valPos;
if (sleft > valLeft) sleft = valLeft;
if (dleft <= sleft)
{
_memcopy(cp, _skip(valData, valPos), dleft);
valLeft -= dleft;
valPos += dleft;
cp += dleft;
break;
}
_memcopy(cp, _skip(valData, valPos), sleft);
cp += sleft;
valLeft -= sleft;
if (valLeft == 0) break;
valData = valData->Next;
valPos = 0;
} while (true);
// may need to switch the page.
if (valLeft != 0)
break;
}
// "commit" generated memcached responses.
var bytes = (int)(cp - bp) - ds.Offset;
if (bytes > 0)
dts.ReadCommit(bytes);
}
}
}
