void nua_stack_deinit(su_root_t *root, nua_t *nua)
{
enter;
su_timer_destroy(nua->nua_shutdown_timer), nua->nua_shutdown_timer = NULL;
nta_agent_destroy(nua->nua_nta), nua->nua_nta = NULL;
}
/** @internal Shut down stack. */
void nua_stack_shutdown(nua_t *nua)
{
nua_handle_t *nh, *nh_next;
int busy = 0;
sip_time_t now = sip_now();
int status;
char const *phrase;
enter;
if (!nua->nua_shutdown)
nua->nua_shutdown = now;
for (nh = nua->nua_handles; nh; nh = nh_next) {
nua_dialog_state_t *ds = nh->nh_ds;
nh_next = nh->nh_next;
busy += nua_dialog_repeat_shutdown(nh, ds);
if (nh->nh_soa) {
soa_destroy(nh->nh_soa), nh->nh_soa = NULL;
}
if (nua_client_request_pending(ds->ds_cr))
busy++;
if (nh_notifier_shutdown(nh, NULL, NEATAG_REASON("noresource"), TAG_END()))
busy++;
}
if (!busy)
SET_STATUS(200, "Shutdown successful");
else if (now == nua->nua_shutdown)
SET_STATUS(100, "Shutdown started");
else if (now - nua->nua_shutdown < 30)
SET_STATUS(101, "Shutdown in progress");
else
SET_STATUS(500, "Shutdown timeout");
if (status >= 200) {
for (nh = nua->nua_handles; nh; nh = nh_next) {
nh_next = nh->nh_next;
while (nh->nh_ds && nh->nh_ds->ds_usage) {
nua_dialog_usage_remove(nh, nh->nh_ds, nh->nh_ds->ds_usage, NULL, NULL);
}
}
su_timer_destroy(nua->nua_timer), nua->nua_timer = NULL;
nta_agent_destroy(nua->nua_nta), nua->nua_nta = NULL;
}
nua_stack_event(nua, NULL, NULL, nua_r_shutdown, status, phrase, NULL);
}
static int luasofia_nta_agent_destroy(lua_State* L)
{
/* get and check first argument (should be a luasofia_nua_handle_t) */
luasofia_nta_agent_t *agent = (luasofia_nta_agent_t*)luaL_checkudata(L, -1, NTA_AGENT_MTABLE);
if (agent->agent) {
/* remove userdata_table[nta_agent_lightudata] = nta_agent_fulludata */
luasofia_userdata_table_remove(L, agent->agent);
nta_agent_destroy(agent->agent);
agent->agent = NULL;
/* unref the lua callback function */
luaL_unref(L, LUA_REGISTRYINDEX, agent->callback_ref);
}
return 0;
}