public override int EndRead(IAsyncResult r)
{
WebAsyncResult result = (WebAsyncResult)r;
if (result.EndCalled)
{
int xx = result.NBytes;
return((xx >= 0) ? xx : 0);
}
result.EndCalled = true;
if (!result.IsCompleted)
{
int nbytes = -1;
try
{
nbytes = cnc.EndRead(request, result);
}
catch (Exception exc)
{
lock (locker)
{
pendingReads--;
if (pendingReads == 0)
{
pending.Set();
}
}
nextReadCalled = true;
cnc.Close(true);
result.SetCompleted(false, exc);
result.DoCallback();
throw;
}
if (nbytes < 0)
{
nbytes = 0;
read_eof = true;
}
totalRead += nbytes;
result.SetCompleted(false, nbytes + result.NBytes);
result.DoCallback();
if (nbytes == 0)
{
contentLength = totalRead;
}
}
lock (locker)
{
pendingReads--;
if (pendingReads == 0)
{
pending.Set();
}
}
if (totalRead >= contentLength && !nextReadCalled)
{
ReadAll();
}
int nb = result.NBytes;
return((nb >= 0) ? nb : 0);
}
