public int selectEx(ref UDTSOCKET[] fds, ref UDTSOCKET[] readfds, ref UDTSOCKET[] writefds, ref UDTSOCKET[] exceptfds, Int64 msTimeOut)
{
Int64 entertime = CClock.getTime();
Int64 to;
if (msTimeOut >= 0)
to = msTimeOut * 1000;
else
to = 0xFFFFFFFFFFFFFFFF;
// initialize results
int count = 0;
if (null != readfds)
readfds.clear();
if (null != writefds)
writefds.clear();
if (null != exceptfds)
exceptfds.clear();
do
{
//for (vector<UDTSOCKET>::const_iterator i = fds.begin(); i != fds.end(); ++ i)
foreach (UDTSOCKET i in fds)
{
UdtSocket s = locate(i);
if ((null == s) || s.m_pUDT.m_bBroken || (s.m_Status == UDTSTATUS.CLOSED))
{
if (null != exceptfds)
{
exceptfds.push_back(i);
++count;
}
continue;
}
if (null != readfds)
{
if ((s.m_pUDT.m_bConnected && (s.m_pUDT.m_pRcvBuffer.getRcvDataSize() > 0) && ((s.m_pUDT.m_iSockType == UDT_STREAM) || (s.m_pUDT.m_pRcvBuffer.getRcvMsgNum() > 0)))
|| (s.m_pUDT.m_bListening && (s.m_pQueuedSockets.size() > 0)))
{
readfds.push_back(s.m_SocketID);
++count;
}
}
if (null != writefds)
{
if (s.m_pUDT.m_bConnected && (s.m_pUDT.m_pSndBuffer.getCurrBufSize() < s.m_pUDT.m_iSndBufSize))
{
writefds.push_back(s.m_SocketID);
++count;
}
}
}
if (count > 0)
break;
CClock.waitForEvent();
} while (to > CClock.getTime() - entertime);
return count;
}