void mupnp_controlpoint_removedevicebyssdppacket(mUpnpControlPoint *ctrlPoint, mUpnpSSDPPacket *ssdpPkt)
{
const char *usn;
char udn[MUPNP_UDN_LEN_MAX];
mUpnpDevice *dev;
MUPNP_DEVICE_LISTENER listener = mupnp_controlpoint_getdevicelistener(ctrlPoint);
mupnp_log_debug_l4("Entering...\n");
usn = mupnp_ssdp_packet_getusn(ssdpPkt);
mupnp_usn_getudn(usn, udn, sizeof(udn));
mupnp_controlpoint_lock(ctrlPoint);
dev = mupnp_controlpoint_getdevicebyudn(ctrlPoint, udn);
if (dev == NULL) {
mupnp_controlpoint_unlock(ctrlPoint);
return;
}
if (listener != NULL)
{
mupnp_controlpoint_unlock(ctrlPoint);
listener(ctrlPoint, udn, mUpnpDeviceStatusRemoved);
mupnp_controlpoint_lock(ctrlPoint);
}
mupnp_device_delete(dev);
mupnp_controlpoint_unlock(ctrlPoint);
mupnp_log_debug_l4("Leaving...\n");
}
void SubscribeService(mUpnpControlPoint *ctrlPoint)
{
mUpnpDevice *selDev;
mUpnpService *selService;
bool subSuccess;
printf("Subscribe Device\n");
mupnp_controlpoint_lock(ctrlPoint);
selDev = SelectDevice(ctrlPoint);
if (selDev == NULL)
{
mupnp_controlpoint_unlock(ctrlPoint);
return;
}
selService = SelectService(selDev);
if (selService == NULL)
{
mupnp_controlpoint_unlock(ctrlPoint);
return;
}
subSuccess = mupnp_controlpoint_subscribe(ctrlPoint, selService, 300);
printf("Subscribe Result(%d) = %s\n",
(int)subSuccess,
(subSuccess == true) ? mupnp_service_getsubscriptionsid(selService) : "");
mupnp_controlpoint_unlock(ctrlPoint);
}
void mupnp_controlpoint_adddevicebyssdppacket(mUpnpControlPoint* ctrlPoint, mUpnpSSDPPacket* ssdpPkt)
{
mUpnpDevice* dev = NULL;
const char* usn = NULL;
char udn[MUPNP_UDN_LEN_MAX];
MUPNP_DEVICE_LISTENER listener = NULL;
mUpnpDeviceStatus status = 0;
mupnp_log_debug_l4("Entering...\n");
listener = mupnp_controlpoint_getdevicelistener(ctrlPoint);
usn = mupnp_ssdp_packet_getusn(ssdpPkt);
mupnp_usn_getudn(usn, udn, sizeof(udn));
mupnp_controlpoint_lock(ctrlPoint);
dev = mupnp_controlpoint_getdevicebyudn(ctrlPoint, udn);
if (dev != NULL) {
/* Device was found from local cache */
if (mupnp_device_updatefromssdppacket(dev, ssdpPkt) == true) {
mupnp_mutex_lock(ctrlPoint->expMutex);
mupnp_cond_signal(ctrlPoint->expCond);
mupnp_mutex_unlock(ctrlPoint->expMutex);
/* Device was successfully updated */
status = mUpnpDeviceStatusUpdated;
}
else { /* Problems occurred in device update */
status = mUpnpDeviceStatusInvalid;
}
}
else {
/* This is a new device */
dev = mupnp_controlpoint_createdevicefromssdkpacket(ssdpPkt);
if (dev == NULL) {
/* Problems occurred in device creation */
status = mUpnpDeviceStatusInvalid;
}
else {
mupnp_controlpoint_adddevice(ctrlPoint, dev);
/* Device added, wake up expirationhandler thread */
mupnp_mutex_lock(ctrlPoint->expMutex);
mupnp_cond_signal(ctrlPoint->expCond);
mupnp_mutex_unlock(ctrlPoint->expMutex);
status = mUpnpDeviceStatusAdded;
}
}
mupnp_controlpoint_unlock(ctrlPoint);
if (listener != NULL) {
listener(ctrlPoint, udn, status);
}
mupnp_log_debug_l4("Leaving...\n");
}
bool mupnp_controlpoint_ipchanged(mUpnpControlPoint *ctrlPoint)
{
mUpnpNetworkInterfaceList *current, *added, *removed;
mUpnpNetworkInterface *netIf;
mUpnpDevice *dev, *tmp;
mUpnpSSDPPacket *ssdpPkt;
char *address;
mupnp_log_debug_l4("Entering...\n");
current = mupnp_net_interfacelist_new();
added = mupnp_net_interfacelist_new();
removed = mupnp_net_interfacelist_new();
if (current == NULL || added == NULL || removed == NULL)
{
if (current != NULL) mupnp_net_interfacelist_delete(current);
if (added != NULL) mupnp_net_interfacelist_delete(added);
if (removed != NULL) mupnp_net_interfacelist_delete(removed);
return false;
}
/* Get Interface changes */
mupnp_net_gethostinterfaces(current);
mupnp_net_interfacelist_getchanges(ctrlPoint->ifCache, current,
added, removed);
/* Remove all devices registered through old interface */
for (netIf = mupnp_net_interfacelist_gets(removed);
netIf != NULL; netIf = mupnp_net_interface_next(netIf))
{
mupnp_controlpoint_lock(ctrlPoint);
tmp = mupnp_controlpoint_getdevices(ctrlPoint);
while (tmp != NULL)
{
dev = tmp; tmp = mupnp_device_next(dev);
ssdpPkt = mupnp_device_getssdppacket(dev);
address = mupnp_ssdp_packet_getlocaladdress(ssdpPkt);
if (address != NULL &&
mupnp_strcmp(address, mupnp_net_interface_getaddress(netIf)) == 0)
{
/* This device has been received from the
removed interface, so it does not exist */
mupnp_controlpoint_unlock(ctrlPoint);
mupnp_controlpoint_removedevicebyssdppacket(ctrlPoint,
ssdpPkt);
mupnp_controlpoint_lock(ctrlPoint);
address = NULL; dev = NULL; ssdpPkt = NULL;
}
}
mupnp_controlpoint_unlock(ctrlPoint);
}
/* Launch new M-SEARCH */
mupnp_controlpoint_search(ctrlPoint, MUPNP_ST_ROOT_DEVICE);
/**** Cache current interfaces ****/
mupnp_net_gethostinterfaces(ctrlPoint->ifCache);
mupnp_net_interfacelist_delete(current);
mupnp_net_interfacelist_delete(added);
mupnp_net_interfacelist_delete(removed);
mupnp_log_debug_l4("Leaving...\n");
return true;
}
/**
* Stop the control point. Stops sending/receiveing/responding to any messages.
*
* @param ctrlPoint The control point to stop
*
* @return true if successful; otherwise false
*
*/
bool mupnp_controlpoint_stop(mUpnpControlPoint *ctrlPoint)
{
mUpnpDevice *dev = NULL;
mUpnpSSDPServerList *ssdpServerList;
mUpnpSSDPResponseServerList *ssdpResServerList;
mUpnpHttpServerList *httpServerList;
const char *udn = NULL;
MUPNP_DEVICE_LISTENER listener = mupnp_controlpoint_getdevicelistener(ctrlPoint);
mupnp_log_debug_l4("Entering...\n");
/* Stop expiration handling */
mupnp_thread_stop_with_cond(ctrlPoint->expThread, ctrlPoint->expCond);
mupnp_log_debug_s("Expiration thread stopped.\n");
/**** SSDP Server ****/
ssdpServerList = mupnp_controlpoint_getssdpserverlist(ctrlPoint);
mupnp_log_debug_s("Stopping ssdp servers.\n");
mupnp_ssdp_serverlist_setlistener(ssdpServerList, NULL);
mupnp_ssdp_serverlist_setuserdata(ssdpServerList, NULL);
mupnp_ssdp_serverlist_stop(ssdpServerList);
mupnp_log_debug_s("Done\n");
mupnp_ssdp_serverlist_close(ssdpServerList);
mupnp_ssdp_serverlist_clear(ssdpServerList);
/**** SSDP Response Server ****/
ssdpResServerList = mupnp_controlpoint_getssdpresponseserverlist(ctrlPoint);
mupnp_log_debug_s("Stopping ssdp response servers.\n");
mupnp_ssdpresponse_serverlist_setlistener(ssdpResServerList, NULL);
mupnp_ssdpresponse_serverlist_setuserdata(ssdpResServerList, NULL);
mupnp_ssdpresponse_serverlist_stop(ssdpResServerList);
mupnp_log_debug_s("Done\n");
mupnp_ssdpresponse_serverlist_close(ssdpResServerList);
mupnp_ssdpresponse_serverlist_clear(ssdpResServerList);
/**** HTTP Server ****/
httpServerList = mupnp_controlpoint_gethttpserverlist(ctrlPoint);
mupnp_log_debug_s("Stopping http servers.\n");
mupnp_http_serverlist_setlistener(httpServerList, NULL);
mupnp_http_serverlist_stop(httpServerList);
mupnp_log_debug_s("Done\n");
mupnp_http_serverlist_close(httpServerList);
mupnp_http_serverlist_clear(httpServerList);
mupnp_controlpoint_lock(ctrlPoint);
mupnp_log_debug_s("Got controlpoint lock.\n");
/* Unsubscribe from all services */
for (dev = mupnp_controlpoint_getdevices(ctrlPoint);
dev != NULL;
dev = mupnp_device_next(dev))
{
udn = mupnp_device_getudn(dev);
/* Call device listener for each device */
if (udn != NULL && listener != NULL)
{
mupnp_controlpoint_unlock(ctrlPoint);
listener(ctrlPoint, udn, mUpnpDeviceStatusRemoved);
mupnp_controlpoint_lock(ctrlPoint);
}
}
/* Empty device cache */
mupnp_devicelist_clear(ctrlPoint->deviceList);
mupnp_log_debug_s("Device list cleared.\n");
mupnp_controlpoint_unlock(ctrlPoint);
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");
}