void BaseSocketManager::DoSelect(int pauseMicroSecs, int handleInput) {
timeval tv;
tv.tv_sec = 0;
tv.tv_usec = pauseMicroSecs;
fd_set inp_set, out_set, exc_set;
int maxDesc;
FD_ZERO(&inp_set);
FD_ZERO(&out_set);
FD_ZERO(&exc_set);
maxDesc = 0;
for (SocketList::iterator i = m_SockList.begin(); i != m_SockList.end(); ++i) {
NetSocket* pSock = *i;
if ((pSock->m_deleteFlag & 1) || pSock->m_sock == INVALID_SOCKET)
continue;
if (handleInput)
FD_SET(pSock->m_sock, &inp_set);
FD_SET(pSock->m_sock, &exc_set);
if (pSock->VHasOutput())
FD_SET(pSock->m_sock, &out_set);
if ((int)pSock->m_sock > maxDesc)
maxDesc = (int)pSock->m_sock;
}
int selRet = 0;
selRet = select(maxDesc + 1, &inp_set, &out_set, &exc_set, &tv);
if (selRet == SOCKET_ERROR) {
GCC_ERROR("Error in DoSelect!");
return;
}
if (selRet) {
for (SocketList::iterator i = m_SockList.begin(); i != m_SockList.end(); ++i) {
NetSocket* pSock = *i;
if ((pSock->m_deleteFlag & 1) || pSock->m_sock == INVALID_SOCKET)
continue;
if (FD_ISSET(pSock->m_sock, &exc_set))
pSock->HandleException();
if (!(pSock->m_deleteFlag & 1) && FD_ISSET(pSock->m_sock, &out_set))
pSock->VHandleOutput();
if (handleInput && !(pSock->m_deleteFlag & 1) && FD_ISSET(pSock->m_sock, &inp_set)) {
pSock->VHandleInput();
}
}
}
unsigned int timeNow = timeGetTime();
SocketList::iterator i = m_SockList.begin();
while (i != m_SockList.end()) {
NetSocket* pSock = *i;
if (pSock->m_timeOut && pSock->m_timeOut < timeNow)
pSock->VTimeOut();
if (pSock->m_deleteFlag & 1) {
switch (pSock->m_deleteFlag) {
case 1:
g_pSocketManager->RemoveSocket(pSock);
i = m_SockList.begin();
break;
case 3:
pSock->m_deleteFlag = 2;
if (pSock->m_sock != INVALID_SOCKET) {
closesocket(pSock->m_sock);
pSock->m_sock = INVALID_SOCKET;
}
break;
}
}
i++;
}
}
//
// BaseSocketManager::DoSelect - Chapter 19, page 679
//
void BaseSocketManager::DoSelect(int pauseMicroSecs, bool handleInput)
{
timeval tv;
tv.tv_sec = 0;
tv.tv_usec = pauseMicroSecs; // 100 microseconds is 0.1 milliseconds or .0001 seconds
fd_set inp_set, out_set, exc_set;
int maxdesc;
FD_ZERO(&inp_set);
FD_ZERO(&out_set);
FD_ZERO(&exc_set);
maxdesc = 0;
// set everything up for the select
for (SocketList::iterator i = m_SockList.begin(); i != m_SockList.end(); ++i)
{
NetSocket *pSock = *i;
if ((pSock->m_deleteFlag&1) || pSock->m_sock == INVALID_SOCKET)
continue;
if (handleInput)
FD_SET(pSock->m_sock, &inp_set);
FD_SET(pSock->m_sock, &exc_set);
if (pSock->VHasOutput())
FD_SET(pSock->m_sock, &out_set);
if ((int)pSock->m_sock > maxdesc)
maxdesc = (int)pSock->m_sock;
}
int selRet = 0;
// do the select (duration passed in as tv, NULL to block until event)
selRet = select(maxdesc+1, &inp_set, &out_set, &exc_set, &tv) ;
if (selRet == SOCKET_ERROR)
{
PrintError();
return;
}
// handle input, output, and exceptions
if (selRet)
{
for (SocketList::iterator i = m_SockList.begin(); i != m_SockList.end(); ++i)
{
NetSocket *pSock = *i;
if ((pSock->m_deleteFlag&1) || pSock->m_sock == INVALID_SOCKET)
continue;
if (FD_ISSET(pSock->m_sock, &exc_set))
{
pSock->HandleException();
}
if (!(pSock->m_deleteFlag&1) && FD_ISSET(pSock->m_sock, &out_set))
{
pSock->VHandleOutput();
}
if ( handleInput
&& !(pSock->m_deleteFlag&1) && FD_ISSET(pSock->m_sock, &inp_set))
{
pSock->VHandleInput();
}
}
}
unsigned int timeNow = GLUFGetTimeMs();
// handle deleting any sockets
SocketList::iterator i = m_SockList.begin();
while (i != m_SockList.end())
{
NetSocket *pSock = *i;
if (pSock->m_timeOut)
{
if (pSock->m_timeOut < timeNow)
{
pSock->VTimeOut();
}
}
if (pSock->m_deleteFlag&1)
{
switch (pSock->m_deleteFlag)
{
case 1:
g_pSocketManager->RemoveSocket(pSock);
i = m_SockList.begin();
break;
case 3:
pSock->m_deleteFlag = 2;
if (pSock->m_sock != INVALID_SOCKET)
{
closesocket(pSock->m_sock);
pSock->m_sock = INVALID_SOCKET;
}
break;
}
}
++i;
}
}