int udp_listener_init(struct udp_listener *u, struct poller *p, const endpoint_t *ep,
udp_listener_callback_t func, struct obj *obj)
{
struct poller_item i;
struct udp_listener_callback *cb;
cb = obj_alloc("udp_listener_callback", sizeof(*cb), NULL);
cb->func = func;
cb->p = obj_get_o(obj);
cb->ul = u;
if (open_socket(&u->sock, SOCK_DGRAM, ep->port, &ep->address))
goto fail;
ipv6only(u->sock.fd, 1);
ZERO(i);
i.fd = u->sock.fd;
i.closed = udp_listener_closed;
i.readable = udp_listener_incoming;
i.obj = &cb->obj;
if (poller_add_item(p, &i))
goto fail;
return 0;
fail:
close_socket(&u->sock);
obj_put_o(obj);
obj_put(cb);
return -1;
}
int udp_listener_init(struct udp_listener *u, struct poller *p, struct in6_addr ip, u_int16_t port, udp_listener_callback_t func, struct obj *obj) {
struct sockaddr_in6 sin;
struct poller_item i;
struct udp_listener_callback *cb;
cb = obj_alloc("udp_listener_callback", sizeof(*cb), NULL);
cb->func = func;
cb->p = obj_get_o(obj);
u->fd = socket(AF_INET6, SOCK_DGRAM, 0);
if (u->fd == -1)
goto fail;
nonblock(u->fd);
reuseaddr(u->fd);
ipv6only(u->fd, 0);
ZERO(sin);
sin.sin6_family = AF_INET6;
sin.sin6_addr = ip;
sin.sin6_port = htons(port);
if (bind(u->fd, (struct sockaddr *) &sin, sizeof(sin)))
goto fail;
ZERO(i);
i.fd = u->fd;
i.closed = udp_listener_closed;
i.readable = udp_listener_incoming;
i.obj = &cb->obj;
if (poller_add_item(p, &i))
goto fail;
return 0;
fail:
if (u->fd != -1)
close(u->fd);
obj_put_o(obj);
obj_put(cb);
return -1;
}
