void CIntGraph::Connect (DWORD dwFromID, DWORD dwToID)
// Connect
//
// Connects the two nodes
{
SNode *pFrom = GetNode((int)dwFromID);
SNode *pTo = GetNode((int)dwToID);
// Add the forward connection
int iConnection = AllocConnection();
SConnection *pConnection = GetConnection(iConnection);
pConnection->iFrom = (int)dwFromID;
pConnection->iTo = (int)dwToID;
pConnection->iNext = pFrom->iFirstForward;
pFrom->iFirstForward = iConnection;
// Add the backwards connection
iConnection = AllocConnection();
pConnection = GetConnection(iConnection);
pConnection->iFrom = (int)dwToID;
pConnection->iTo = (int)dwFromID;
pConnection->iNext = pTo->iFirstBackward;
pTo->iFirstBackward = iConnection;
}
static int CompletionLoop(SOCKET acceptor)
{
struct sockaddr_in addr;
int addrlen = sizeof(addr);
SOCKET socknew = accept(acceptor, (struct sockaddr*)&addr, &addrlen);
if (socknew != INVALID_SOCKET)
{
connection_t* data = AllocConnection(socknew);
fprintf(stderr, ("socket %d accepted at %s.\n"), socknew, Now());
if (data)
{
PostRecvRequest(data);
}
}
else
{
if (WSAGetLastError() != WSAEWOULDBLOCK)
{
fprintf(stderr, ("accept() failed, %s"), LAST_ERROR_MSG);
return -1;
}
else
{
SleepEx(50, TRUE); /* make current thread alertable */
}
}
return 0;
}