bool G2048::move_up(){
bool moved = false;
for (size_t j = 0; j < 4; ++j){
for (size_t i = 0; i < 4; ++i){
if (!game[i][j]){
size_t t = up_swap(i, j);
if (game[t][j]){
swap(game[i][j], game[t][j]);
moved = true;
}
}
}
}
if (up_add()){
move_up();
moved = true;
}
if (moved) return true;
else return false;
}
int
up_generate(struct rde_peer *peer, struct rde_aspath *asp,
struct bgpd_addr *addr, u_int8_t prefixlen)
{
struct update_attr *ua = NULL;
struct update_prefix *up;
if (asp) {
ua = calloc(1, sizeof(struct update_attr));
if (ua == NULL)
fatal("up_generate");
if (up_generate_attr(peer, ua, asp, addr->aid) == -1) {
log_warnx("generation of bgp path attributes failed");
free(ua);
return (-1);
}
/*
* use aspath_hash as attr_hash, this may be unoptimal
* but currently I don't care.
*/
ua->attr_hash = hash32_buf(ua->attr, ua->attr_len, HASHINIT);
if (ua->mpattr)
ua->attr_hash = hash32_buf(ua->mpattr, ua->mpattr_len,
ua->attr_hash);
}
up = calloc(1, sizeof(struct update_prefix));
if (up == NULL)
fatal("up_generate");
up->prefix = *addr;
up->prefixlen = prefixlen;
if (up_add(peer, up, ua) == -1)
return (-1);
return (0);
}
