/** * Post a notification to an event subscriber. This is called in a device. * * @param sub The event subscriber * @param statVar The evented state variable * @return true if succesful; otherwise false */ static bool mupnp_subscriber_notifymain(mUpnpSubscriber* sub, mUpnpService* service, mUpnpStateVariable* statVar) { char* host; int port; mUpnpNotifyRequest* notifyReq; mUpnpNotifyResponse* notifyRes; bool notifySuccess; mupnp_log_debug_l4("Entering...\n"); host = mupnp_subscriber_getdeliveryhost(sub); port = mupnp_subscriber_getdeliveryport(sub); notifyReq = mupnp_event_notify_request_new(); mupnp_event_notify_request_setpropertysetnode(notifyReq, sub, service, statVar); notifyRes = mupnp_event_notify_request_post(notifyReq, host, port); notifySuccess = mupnp_event_notify_response_issuccessful(notifyRes); mupnp_http_request_print(notifyReq->httpReq); mupnp_http_response_print(notifyRes->httpRes); mupnp_event_notify_request_delete(notifyReq); if (notifySuccess == false) return false; mupnp_subscriber_incrementnotifycount(sub); mupnp_log_debug_l4("Leaving...\n"); return true; }
/** * The function that calls all HTTP listener callback functions. Do not call * this from applications. * * @param httpReq The received HTTP request */ void mupnp_controlpoint_httprequestreceived(mUpnpHttpRequest *httpReq) { mUpnpControlPoint *ctrlPoint = NULL; mUpnpNotifyRequest *notifyReq = NULL; mUpnpPropertyList *propList = NULL; mUpnpProperty *prop = NULL; mUpnpEventListenerList *eventListeners = NULL; const char *sid = NULL; long seq = 0; long timeout = 0; mUpnpDevice *dev = NULL; mUpnpService *service = NULL; int notifyListeners = 0; mupnp_log_debug_l4("Entering...\n"); ctrlPoint = (mUpnpControlPoint *)mupnp_http_request_getuserdata(httpReq); mupnp_controlpoint_lock(ctrlPoint); #if !defined(MUPNP_NOUSE_SUBSCRIPTION) if (mupnp_http_request_isnotifyrequest(httpReq) == true) { notifyReq = mupnp_event_notify_request_new(); mupnp_event_notify_request_sethttprequest(notifyReq, httpReq); /* Get service according to SID */ sid = mupnp_event_notify_request_getsid(notifyReq); for (dev = mupnp_controlpoint_getdevices(ctrlPoint); dev != NULL; dev = mupnp_device_next(dev)) { service = mupnp_device_getservicebysid(dev, sid); if (service != NULL) break; } if (service != NULL) { /* We found a service */ seq = mupnp_event_notify_request_getseq(notifyReq); /* Check that event key = previous + 1 */ if (seq != 0 && seq != mupnp_service_geteventkey(service) + 1) { /* The sequence does not match, unsubscribe and subscribe */ timeout = mupnp_service_getsubscriptiontimeout(service); mupnp_controlpoint_unsubscribe(ctrlPoint, service); mupnp_controlpoint_subscribe(ctrlPoint, service, timeout); } else { /* Wrap seq, so that assertion is true next time */ if (seq == MUPNP_EVENT_MAX_SEQ) seq = 0; /* Set event key */ mupnp_service_seteventkey(service, seq); notifyListeners = 1; propList = mupnp_event_notify_request_getpropertylist(notifyReq); for (prop=mupnp_propertylist_gets(propList); prop != NULL; prop = mupnp_property_next(prop)) { /* Update the service's state table from the event */ mupnp_controlpoint_updatestatetablefromproperty(service, prop); } } } eventListeners = mupnp_controlpoint_geteventlisteners(ctrlPoint); mupnp_controlpoint_unlock(ctrlPoint); if (notifyListeners && propList != NULL) { /* Notify listeners out of control point lock */ for (prop=mupnp_propertylist_gets(propList); prop != NULL; prop = mupnp_property_next(prop)) { // printf("\n%s\n%s\n%s\n", prop->name->value, prop->sid->value, prop->value->value); mupnp_eventlistenerlist_notify(ctrlPoint, eventListeners, prop); } } mupnp_event_notify_request_delete(notifyReq); mupnp_http_request_postokrequest(httpReq); return; } #endif mupnp_controlpoint_unlock(ctrlPoint); mupnp_http_request_postbadrequest(httpReq); mupnp_log_debug_l4("Leaving...\n"); }