/**
* Release a previously locked control point mutex.
* See @ref cg_upnp_controlpoint_lock for a more detailed description on
* the control point locking mechanism.
*
* @param ctrlPoint The control point in question
*/
BOOL cg_upnp_controlpoint_unlock(CgUpnpControlPoint *ctrlPoint)
{
cg_log_debug_l4("Entering...\n");
return cg_mutex_unlock(ctrlPoint->mutex);
cg_log_debug_l4("Leaving...\n");
}
void cg_http_persistentconnection_unlock(void)
{
cg_log_debug_l4("Entering...\n");
if (persistent_connection_mutex == NULL) return;
cg_mutex_unlock(persistent_connection_mutex);
cg_log_debug_l4("Leaving...\n");
}
void cg_upnp_controlpoint_adddevicebyssdppacket(CgUpnpControlPoint *ctrlPoint, CgUpnpSSDPPacket *ssdpPkt)
{
CgUpnpDevice *dev = NULL;
const char *usn = NULL;
char udn[CG_UPNP_UDN_LEN_MAX];
CG_UPNP_DEVICE_LISTENER listener = NULL;
CgUpnpDeviceStatus status = 0;
cg_log_debug_l4("Entering...\n");
listener = cg_upnp_controlpoint_getdevicelistener(ctrlPoint);
usn = cg_upnp_ssdp_packet_getusn(ssdpPkt);
cg_upnp_usn_getudn(usn, udn, sizeof(udn));
cg_upnp_controlpoint_lock(ctrlPoint);
dev = cg_upnp_controlpoint_getdevicebyudn(ctrlPoint, udn);
if (dev != NULL)
{
/* Device was found from local cache */
if (cg_upnp_device_updatefromssdppacket(dev, ssdpPkt) == TRUE)
{
cg_mutex_lock(ctrlPoint->expMutex);
cg_cond_signal(ctrlPoint->expCond);
cg_mutex_unlock(ctrlPoint->expMutex);
/* Device was successfully updated */
status = CgUpnpDeviceStatusUpdated;
}
else
{ /* Problems occurred in device update */
status = CgUpnpDeviceStatusInvalid;
}
}
else
{
/* This is a new device */
dev = cg_upnp_controlpoint_createdevicefromssdkpacket(ssdpPkt);
if (dev == NULL)
{
/* Problems occurred in device creation */
status = CgUpnpDeviceStatusInvalid;
}
else
{
cg_upnp_controlpoint_adddevice(ctrlPoint, dev);
/* Device added, wake up expirationhandler thread */
cg_mutex_lock(ctrlPoint->expMutex);
cg_cond_signal(ctrlPoint->expCond);
cg_mutex_unlock(ctrlPoint->expMutex);
status = CgUpnpDeviceStatusAdded;
}
}
cg_upnp_controlpoint_unlock(ctrlPoint);
if (listener != NULL)
{
listener(ctrlPoint, udn, status);
}
cg_log_debug_l4("Leaving...\n");
}