/**@internal * Timer routine. * * Go through all active handles and execute pending tasks */ void nua_stack_timer(nua_t *nua, su_timer_t *t, su_timer_arg_t *a) { nua_handle_t *nh, *nh_next; sip_time_t now = sip_now(); su_root_t *root = su_timer_root(t); su_timer_set(t, nua_stack_timer, a); if (nua->nua_shutdown) { nua_stack_shutdown(nua); return; } for (nh = nua->nua_handles; nh; nh = nh_next) { nh_next = nh->nh_next; nh_call_pending(nh, now); su_root_yield(root); /* Handle received packets */ } }
/**@internal * Timer routine for graceful shutdown. */ void nua_stack_shutdown_timer(nua_t *nua, su_timer_t *t, su_timer_arg_t *a) { if (nua->nua_shutdown) { nua_stack_shutdown(nua); } }
/* ---------------------------------------------------------------------- * Receiving events from client */ static void nua_stack_signal(nua_t *nua, su_msg_r msg, nua_ee_data_t *ee) { nua_event_data_t *e = ee->ee_data; nua_handle_t *nh = e->e_nh; tagi_t *tags = e->e_tags; nua_event_t event; int error = 0; if (nh) { if (!nh->nh_prev) nh_append(nua, nh); if (!nh->nh_ref_by_stack) { /* Mark handle as used by stack */ nh->nh_ref_by_stack = 1; nua_handle_ref(nh); } } if (nua_log->log_level >= 5) { char const *name = nua_event_name((enum nua_event_e)e->e_event); if (e->e_status == 0) SU_DEBUG_5(("nua(%p): %s signal %s\n", (void *)nh, "recv", name + 4)); else SU_DEBUG_5(("nua(%p): recv signal %s %u %s\n", (void *)nh, name + 4, e->e_status, e->e_phrase ? e->e_phrase : "")); } su_msg_save(nua->nua_signal, msg); event = (enum nua_event_e)e->e_event; if (nua->nua_shutdown && !e->e_always) { /* Shutting down */ nua_stack_event(nua, nh, NULL, event, 901, "Stack is going down", NULL); } else switch (event) { case nua_r_get_params: nua_stack_get_params(nua, nh ? nh : nua->nua_dhandle, event, tags); break; case nua_r_set_params: nua_stack_set_params(nua, nh ? nh : nua->nua_dhandle, event, tags); break; case nua_r_shutdown: nua_stack_shutdown(nua); break; case nua_r_register: case nua_r_unregister: nua_stack_register(nua, nh, event, tags); break; case nua_r_invite: error = nua_stack_invite(nua, nh, event, tags); break; case nua_r_cancel: error = nua_stack_cancel(nua, nh, event, tags); break; case nua_r_bye: error = nua_stack_bye(nua, nh, event, tags); break; case nua_r_options: error = nua_stack_options(nua, nh, event, tags); break; case nua_r_refer: error = nua_stack_refer(nua, nh, event, tags); break; case nua_r_publish: case nua_r_unpublish: error = nua_stack_publish(nua, nh, event, tags); break; case nua_r_info: error = nua_stack_info(nua, nh, event, tags); break; case nua_r_prack: error = nua_stack_prack(nua, nh, event, tags); break; case nua_r_update: error = nua_stack_update(nua, nh, event, tags); break; case nua_r_message: error = nua_stack_message(nua, nh, event, tags); break; case nua_r_subscribe: case nua_r_unsubscribe: error = nua_stack_subscribe(nua, nh, event, tags); break; case nua_r_notify: error = nua_stack_notify(nua, nh, event, tags); break; case nua_r_notifier: nua_stack_notifier(nua, nh, event, tags); break; case nua_r_terminate: nua_stack_terminate(nua, nh, event, tags); break; case nua_r_method: error = nua_stack_method(nua, nh, event, tags); break; case nua_r_authenticate: nua_stack_authenticate(nua, nh, event, tags); break; case nua_r_authorize: nua_stack_authorize(nua, nh, event, tags); break; case nua_r_ack: error = nua_stack_ack(nua, nh, event, tags); break; case nua_r_respond: nua_stack_respond(nua, nh, e->e_status, e->e_phrase, tags); break; case nua_r_destroy: nua_stack_destroy_handle(nua, nh, tags); su_msg_destroy(nua->nua_signal); return; default: break; } if (error < 0) { nua_stack_event(nh->nh_nua, nh, NULL, event, NUA_ERROR_AT(__FILE__, __LINE__), NULL); } su_msg_destroy(nua->nua_signal); }