private static void SendBack(string connId, string result, Action <float> report)
{
int rd = 0, rdt = result.Length;
while (rd < rdt)
{
// 128Kb
int len = Math.Min(128 * 1024, rdt - rd);
ProcessingHub.ReceiveData(connId, result.Substring(rd, len), len, rdt);
rd += len;
report((float)rd / rdt);
}
}
