CgUpnpPropertyList *cg_upnp_event_notify_request_getpropertylist(CgUpnpNotifyRequest *notifyReq)
{
CgUpnpPropertyList *propList;
CgXmlNode *propSetNode;
CgXmlNode *propNode;
CgXmlNode *varNode;
CgUpnpProperty *prop;
const char *sid;
size_t seq;
cg_log_debug_l4("Entering...\n");
sid = cg_upnp_event_notify_request_getsid(notifyReq);
seq = cg_upnp_event_notify_request_getseq(notifyReq);
propList = cg_upnp_event_notify_request_getpropertylistonly(notifyReq);
cg_upnp_propertylist_clear(propList);
propSetNode = cg_soap_request_getrootnoode(notifyReq);
if (propSetNode == NULL)
return propList;
for (propNode = cg_xml_node_getchildnodes(propSetNode); propNode != NULL; propNode = cg_xml_node_next(propNode)) {
varNode = cg_xml_node_getchildnodes(propNode);
prop = cg_upnp_property_createfromnode(varNode);
cg_upnp_property_setsid(prop, sid);
cg_upnp_property_setseq(prop, seq);
cg_upnp_propertylist_add(propList, prop);
}
cg_log_debug_l4("Leaving...\n");
return propList;
}
/**
* The function that calls all HTTP listener callback functions. Do not call
* this from applications.
*
* @param httpReq The received HTTP request
*/
void cg_upnp_controlpoint_httprequestreceived(CgHttpRequest *httpReq)
{
CgUpnpControlPoint *ctrlPoint = NULL;
CgUpnpNotifyRequest *notifyReq = NULL;
CgUpnpPropertyList *propList = NULL;
CgUpnpProperty *prop = NULL;
CgUpnpEventListenerList *eventListeners = NULL;
const char *sid = NULL;
long seq = 0;
long timeout = 0;
CgUpnpDevice *dev = NULL;
CgUpnpService *service = NULL;
int notifyListeners = 0;
cg_log_debug_l4("Entering...\n");
ctrlPoint = (CgUpnpControlPoint *)cg_http_request_getuserdata(httpReq);
cg_upnp_controlpoint_lock(ctrlPoint);
#if !defined(CG_UPNP_NOUSE_SUBSCRIPTION)
if (cg_http_request_isnotifyrequest(httpReq) == TRUE) {
notifyReq = cg_upnp_event_notify_request_new();
cg_upnp_event_notify_request_sethttprequest(notifyReq, httpReq);
/* Get service according to SID */
sid = cg_upnp_event_notify_request_getsid(notifyReq);
for (dev = cg_upnp_controlpoint_getdevices(ctrlPoint);
dev != NULL;
dev = cg_upnp_device_next(dev))
{
service = cg_upnp_device_getservicebysid(dev, sid);
if (service != NULL) break;
}
if (service != NULL) {
/* We found a service */
seq = cg_upnp_event_notify_request_getseq(notifyReq);
/* Check that event key = previous + 1 */
if (seq != 0 && seq != cg_upnp_service_geteventkey(service) + 1)
{
/* The sequence does not match, unsubscribe and subscribe */
timeout = cg_upnp_service_getsubscriptiontimeout(service);
cg_upnp_controlpoint_unsubscribe(ctrlPoint, service);
cg_upnp_controlpoint_subscribe(ctrlPoint, service, timeout);
} else {
/* Wrap seq, so that assertion is true next time */
if (seq == CG_UPNP_EVENT_MAX_SEQ) seq = 0;
/* Set event key */
cg_upnp_service_seteventkey(service, seq);
notifyListeners = 1;
propList = cg_upnp_event_notify_request_getpropertylist(notifyReq);
for (prop=cg_upnp_propertylist_gets(propList);
prop != NULL;
prop = cg_upnp_property_next(prop))
{
/* Update the service's state table from the event */
cg_upnp_controlpoint_updatestatetablefromproperty(service, prop);
}
}
}
eventListeners = cg_upnp_controlpoint_geteventlisteners(ctrlPoint);
cg_upnp_controlpoint_unlock(ctrlPoint);
if (notifyListeners && propList != NULL)
{
/* Notify listeners out of control point lock */
for (prop=cg_upnp_propertylist_gets(propList);
prop != NULL;
prop = cg_upnp_property_next(prop))
{
cg_upnp_eventlistenerlist_notify(eventListeners, prop);
}
}
cg_upnp_event_notify_request_delete(notifyReq);
cg_http_request_postokrequest(httpReq);
return;
}
#endif
cg_upnp_controlpoint_unlock(ctrlPoint);
cg_http_request_postbadrequest(httpReq);
cg_log_debug_l4("Leaving...\n");
}
