int send_and_recv_wrapper(struct nl_cb *nl_cb,
struct nl_handle *nl_handle, struct nl_msg *msg,
int (*valid_handler)(struct nl_msg *, void *),
void *valid_data)
{
struct nl_cb *cb;
int err = -ENOMEM;
cb = nl_cb_clone(nl_cb);
if (!cb)
goto out;
err = nl_send_wrapper(nl_handle, msg);
if (err < 0)
goto out;
err = 1;
nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
if (valid_handler)
nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
valid_handler, valid_data);
while (err > 0)
nl_recv_wrapper(nl_handle, cb);
out:
nl_cb_put(cb);
nlmsg_free(msg);
return err;
}
static void nl80211_event_receive(int sock, void *eloop_ctx,
void *handle)
{
struct nl_cb *cb = eloop_ctx;
wpa_printf(MSG_DEBUG, "nl80211: Event message available");
nl_recv_wrapper(handle, cb);
}