static struct userlist_user *
allocate_login_on_pool(
struct uldb_mysql_state *state,
int user_id)
{
struct users_cache *uc = &state->users;
struct userlist_user *u;
struct xml_tree *u_xml, *l, *r;
if (user_id <= 0) return 0;
if (user_id > EJ_MAX_USER_ID) return 0;
if (user_id >= uc->size) {
int new_size = uc->size;
struct userlist_user **new_map;
if (!new_size) new_size = 1024;
while (user_id >= new_size) new_size *= 2;
XCALLOC(new_map, new_size);
if (uc->size > 0)
memcpy(new_map, uc->user_map, uc->size * sizeof(uc->user_map[0]));
xfree(uc->user_map);
uc->size = new_size;
uc->user_map = new_map;
}
if ((u = uc->user_map[user_id])) {
// don't even try to free nested cntsregs and cookies
if (u->contests) {
u->contests->first_down = u->contests->last_down = 0;
}
if (u->cookies) {
u->cookies->first_down = u->cookies->last_down = 0;
}
u_xml = (struct xml_tree*) u;
l = u_xml->left;
r = u_xml->right;
userlist_elem_free_data(u_xml);
u->id = user_id;
u_xml->left = l;
u_xml->right = r;
MOVE_TO_FRONT(u_xml, uc->first, uc->last, left, right);
return u;
}
if (uc->count == USERS_POOL_SIZE) {
do_remove_login_from_pool(uc, (struct userlist_user*) uc->last);
}
u = (struct userlist_user*) userlist_node_alloc(USERLIST_T_USER);
u->id = user_id;
u_xml = (struct xml_tree*) u;
LINK_FIRST(u_xml, uc->first, uc->last, left, right);
uc->user_map[user_id] = u;
uc->count++;
return u;
}
static void
group_cache_add(struct uldb_mysql_state *state, struct userlist_group *grp)
{
int new_size = 0;
struct userlist_group **new_map = 0;
if (!grp) return;
ASSERT(grp->group_id > 0);
if (grp->group_id < state->groups.size
&& state->groups.group_map[grp->group_id] == grp)
return;
if (grp->group_id < state->groups.size
&& state->groups.group_map[grp->group_id]) {
// cache descync?
group_cache_drop(state);
}
if (grp->group_id >= state->groups.size) {
if (!(new_size = state->groups.size)) new_size = 32;
while (new_size <= grp->group_id) {
new_size *= 2;
}
XCALLOC(new_map, new_size);
if (state->groups.size > 0) {
memcpy(new_map, state->groups.group_map,
state->groups.size * sizeof(new_map[0]));
}
xfree(state->groups.group_map);
state->groups.size = new_size;
state->groups.group_map = new_map;
}
state->groups.group_map[grp->group_id] = grp;
LINK_FIRST(&grp->b, state->groups.first, state->groups.last, left, right);
state->groups.count++;
}