/// <summary>
/// Updates the UPnP server advertisements.
/// </summary>
/// <remarks>
/// Has to be called when the set of UPnP endpoints changes.
/// </remarks>
public void Update()
{
int nextBootId = _serverData.BootId + 1;
DeviceTreeNotificationProducer.SendMessagesServer(_serverData.Server, new UpdateMessageSender(_serverData, _serverData.BootId, nextBootId));
_serverData.BootId = nextBootId;
}
protected void ProcessSearchRequest(PendingSearchRequest ps)
{
lock (_serverData.SyncObj)
{
SearchResultMessageSender srms = new SearchResultMessageSender(_serverData, ps.LocalEndpointConfiguration, ps.RequesterEndPoint);
if (ps.ST == "ssdp:all")
{
DeviceTreeNotificationProducer.SendMessagesServer(_serverData.Server, srms);
}
else if (ps.ST == "upnp:rootdevice")
{ // Search root device
foreach (DvDevice rootDevice in _serverData.Server.RootDevices)
{
string deviceUDN = rootDevice.UDN;
srms.SendMessage("upnp:rootdevice", deviceUDN + "::upnp:rootdevice", rootDevice);
}
}
else if (ps.ST.StartsWith("uuid:"))
{ // Search by device id
string deviceUDN = ps.ST;
DvDevice device = _serverData.Server.FindDeviceByUDN(deviceUDN);
if (device != null)
{
srms.SendMessage(deviceUDN, deviceUDN, device.RootDevice);
}
}
else if (ps.ST.StartsWith("urn:") && (ps.ST.IndexOf(":device:") > -1 || ps.ST.IndexOf(":service:") > -1))
{ // Search by device type or service type and version
string type;
int version;
if (!ParserHelper.TryParseTypeVersion_URN(ps.ST, out type, out version))
{
UPnPConfiguration.LOGGER.Debug("SSDPServerController: Problem parsing incoming packet, UPnP device or service search query '{0}'", ps.ST);
return;
}
if (type.IndexOf(":device:") > -1)
{
IEnumerable <DvDevice> devices = _serverData.Server.FindDevicesByDeviceTypeAndVersion(
type, version, true);
foreach (DvDevice device in devices)
{
srms.SendMessage(device.DeviceTypeVersion_URN, device.UDN + "::" + device.DeviceTypeVersion_URN, device.RootDevice);
}
}
else if (type.IndexOf(":service:") > -1)
{
foreach (DvDevice rootDevice in _serverData.Server.RootDevices)
{
IEnumerable <DvService> services = rootDevice.FindServicesByServiceTypeAndVersion(
type, version, true);
foreach (DvService service in services)
{
srms.SendMessage(service.ServiceTypeVersion_URN, service.ParentDevice.UDN + "::" + service.ServiceTypeVersion_URN, service.ParentDevice.RootDevice);
}
}
}
}
}
}
/// <summary>
/// Revokes all UPnP server advertisements.
/// </summary>
public void RevokeAdvertisements()
{
DeviceTreeNotificationProducer.SendMessagesServer(_serverData.Server, new ByeByeMessageSender(_serverData));
}
/// <summary>
/// Advertises the UPnP server to the network.
/// </summary>
/// <remarks>
/// Has to be called:
/// <list type="bullet">
/// <item>Periodically</item>
/// <item>After the set of UPnP endpoints has changed</item>
/// <item>When the underlaying UPnP server changes its configuration</item>
/// </list>
/// </remarks>
public void Advertise()
{
DeviceTreeNotificationProducer.SendMessagesServer(_serverData.Server, new AliveMessageSender(_serverData));
}