Example #1
0
// Insert a record into a list in the proper location
// Order records ascending by their order
// Look at ascPref for records with the same order
bool DnsRecord::insert(ObjList& list, DnsRecord* rec, bool ascPref)
{
    if (!rec || list.find(rec))
	return false;
    XDebug(DebugAll,"DnsRecord::insert(%p) order=%d pref=%d",rec,rec->order(),rec->pref());
    ObjList* o = list.skipNull();
    for (; o; o = o->skipNext()) {
	DnsRecord* crt = static_cast<DnsRecord*>(o->get());
	if (rec->order() > crt->order())
	    continue;
	if (rec->order() == crt->order()) {
	    for (; o; o = o->skipNext()) {
		DnsRecord* crt = static_cast<DnsRecord*>(o->get());
		if (crt->order() != rec->order())
		    break;
		if (crt->pref() == rec->pref())
		    continue;
		if (ascPref == (rec->pref() < crt->pref()))
		    break;
	    }
	}
	break;
    }
    if (o)
	o->insert(rec);
    else
	list.append(rec);
    return true;
}
Example #2
0
bool MessageDispatcher::install(MessageHandler* handler)
{
    DDebug(DebugAll,"MessageDispatcher::install(%p)",handler);
    if (!handler)
	return false;
    Lock lock(this);
    ObjList *l = m_handlers.find(handler);
    if (l)
	return false;
    unsigned p = handler->priority();
    int pos = 0;
    for (l=&m_handlers; l; l=l->next(),pos++) {
	MessageHandler *h = static_cast<MessageHandler *>(l->get());
	if (!h)
	    continue;
	if (h->priority() < p)
	    continue;
	if (h->priority() > p)
	    break;
	// at the same priority we sort them in pointer address order
	if (h > handler)
	    break;
    }
    m_changes++;
    if (l) {
	XDebug(DebugAll,"Inserting handler [%p] on place #%d",handler,pos);
	l->insert(handler);
    }
    else {
	XDebug(DebugAll,"Appending handler [%p] on place #%d",handler,pos);
	m_handlers.append(handler);
    }
    handler->m_dispatcher = this;
    if (handler->null())
	Debug(DebugInfo,"Registered broadcast message handler %p",handler);
    return true;
}
Example #3
0
void ExpEvaluator::pushOne(ObjList& stack, ExpOperation* oper)
{
    if (oper)
	stack.insert(oper);
}