LRESULT HaliteDialog::DialogListView::OnGetDispInfo(int, LPNMHDR pnmh, BOOL&)
{
hal::mutex_t::scoped_lock l(list_class_t::mutex_);
NMLVDISPINFO* pdi = (NMLVDISPINFO*)pnmh;
HAL_DEV_MSG(hal::wform(L"OnGetDispInfo index = %1% size = %2%") % pdi->item.iItem % peer_details_.size());
if (pdi->item.iItem >= 0 && peer_details_.size() >= numeric_cast<unsigned>(pdi->item.iItem))
{
hal::peer_details_vec::optional_type pd = peer_details_.find_peer(key_from_index(pdi->item.iItem));
if (pd && pdi->item.mask & LVIF_TEXT)
{
wstring str = pd->to_wstring(pdi->item.iSubItem);
size_t len = str.copy(pdi->item.pszText, min(pdi->item.cchTextMax - 1, static_cast<int>(str.size())));
pdi->item.pszText[len] = '\0';
}
}
return 0;
}
/* Get the key af an item */
static nbr_table_key_t *
key_from_item(nbr_table_t *table, const nbr_table_item_t *item)
{
return key_from_index(index_from_item(table, item));
}
/*---------------------------------------------------------------------------*/
static nbr_table_key_t *
nbr_table_allocate(nbr_table_reason_t reason, void *data)
{
nbr_table_key_t *key;
int least_used_count = 0;
nbr_table_key_t *least_used_key = NULL;
key = memb_alloc(&neighbor_addr_mem);
if(key != NULL) {
return key;
} else {
#ifdef NBR_TABLE_FIND_REMOVABLE
const linkaddr_t *lladdr;
lladdr = NBR_TABLE_FIND_REMOVABLE(reason, data);
if(lladdr == NULL) {
/* Nothing found that can be deleted - return NULL to indicate failure */
PRINTF("*** Not removing entry to allocate new\n");
return NULL;
} else {
/* used least_used_key to indicate what is the least useful entry */
int index;
int locked = 0;
if((index = index_from_lladdr(lladdr)) != -1) {
least_used_key = key_from_index(index);
locked = locked_map[index];
}
/* Allow delete of locked item? */
if(least_used_key != NULL && locked) {
PRINTF("Deleting locked item!\n");
locked_map[index] = 0;
}
}
#endif /* NBR_TABLE_FIND_REMOVABLE */
if(least_used_key == NULL) {
/* No more space, try to free a neighbor.
* The replacement policy is the following: remove neighbor that is:
* (1) not locked
* (2) used by fewest tables
* (3) oldest (the list is ordered by insertion time)
* */
/* Get item from first key */
key = list_head(nbr_table_keys);
while(key != NULL) {
int item_index = index_from_key(key);
int locked = locked_map[item_index];
/* Never delete a locked item */
if(!locked) {
int used = used_map[item_index];
int used_count = 0;
/* Count how many tables are using this item */
while(used != 0) {
if((used & 1) == 1) {
used_count++;
}
used >>= 1;
}
/* Find least used item */
if(least_used_key == NULL || used_count < least_used_count) {
least_used_key = key;
least_used_count = used_count;
if(used_count == 0) { /* We won't find any least used item */
break;
}
}
}
key = list_item_next(key);
}
}