sLine *GetCommand(LPSTR Param)
{
for(int x = 0; x < aCommand.GetSize(); x++)
if(!_strcmpi(aCommand[x]->Param,Param))
return aCommand[x];
return 0;
}
GENERIC_PACKET *CPacketConn::Read(UINT Message, int Cookie, DWORD Timeout)
{
CArrayEx<MSG, MSG&> Reject;
GENERIC_PACKET *pPacket = NULL;
DWORD Start = GetTickCount(); // milliseconds since system started
DWORD Elapsed = 0;
while (Elapsed < Timeout) {
DWORD Remaining = Timeout - Elapsed;
DWORD retc = MsgWaitForMultipleObjects(0, NULL, FALSE,
Remaining, QS_POSTMESSAGE); // wait for posted message
if (retc == WAIT_OBJECT_0) { // if we have a posted message
MSG msg; // if message is a received packet, dequeue it
if (PeekMessage(&msg, m_hWnd, UWM_RCVPACKET, UWM_RCVPACKET, PM_REMOVE)) {
GENERIC_PACKET *pp = (GENERIC_PACKET *)msg.wParam;
// if dequeued packet matches caller's specifications
if (pp->Message == Message && Cookie == msg.lParam) {
pPacket = pp; // success
break; // end loop
} else // caller doesn't want this packet
Reject.Add(msg); // store it and repost it later
}
} else // wait timeout or error
break; // abort loop
DWORD Now = GetTickCount();
if (Now >= Start) // usual case
Elapsed = Now - Start;
else // assume tick count wrapped around to zero
Elapsed = Now + (UINT_MAX - Start);
}
// repost any packets that were dequeued and rejected
for (int i = 0; i < Reject.GetSize(); i++) {
MSG& rm = Reject[i];
PostMessage(m_hWnd, rm.message, rm.wParam, rm.lParam);
}
return(pPacket); // caller is responsible for deleting packet
}