public void SendMessage(string NT, string USN, DvDevice rootDevice)
{
SimpleHTTPResponse response = new SimpleHTTPResponse(HTTPResponseCode.Ok);
response.SetHeader("CACHE-CONTROL", "max-age = " + _serverData.AdvertisementExpirationTime);
response.SetHeader("DATE", DateTime.Now.ToUniversalTime().ToString("R"));
response.SetHeader("EXT", string.Empty);
response.SetHeader("SERVER", UPnPConfiguration.UPnPMachineInfoHeader);
response.SetHeader("ST", NT);
response.SetHeader("USN", USN);
response.SetHeader("BOOTID.UPNP.ORG", _serverData.BootId.ToString());
response.SetHeader("CONFIGID.UPNP.ORG", _localEndpointConfiguration.ConfigId.ToString());
if (_localEndpointConfiguration.AddressFamily == AddressFamily.InterNetworkV6)
{
response.SetHeader("OPT", "\"http://schemas.upnp.org/upnp/1/0/\"; ns=01");
response.SetHeader("01-NLS", _serverData.BootId.ToString());
}
if (_localEndpointConfiguration.SSDPUsesSpecialSearchPort)
response.SetHeader("SEARCHPORT.UPNP.ORG", _localEndpointConfiguration.SSDPSearchPort.ToString());
response.SetHeader("LOCATION", _localEndpointConfiguration.GetRootDeviceDescriptionURL(rootDevice));
byte[] bytes = response.Encode();
Socket socket = _localEndpointConfiguration.SSDP_UDP_UnicastSocket;
if (socket != null)
NetworkHelper.SendData(socket, _receiverEndPoint, bytes, 1);
}
/// <summary>
/// Sends a NOTIFY packet "ssdp:update" to all UPnP endpoints.
/// </summary>
/// <param name="NT">Notification type.</param>
/// <param name="USN">Unique Service Name.</param>
/// <param name="rootDevice">Root device for that the message should be send.</param>
public void SendMessage(string NT, string USN, DvDevice rootDevice)
{
SimpleHTTPRequest response = new SimpleHTTPRequest("NOTIFY", "*");
response.SetHeader("NT", NT);
response.SetHeader("NTS", "ssdp:update");
response.SetHeader("USN", USN);
response.SetHeader("BOOTID.UPNP.ORG", _lastBootId.ToString());
response.SetHeader("NEXTBOOTID.UPNP.ORG", _nextBootId.ToString());
// Currently, we don't support SEARCHPORT.UPNP.ORG function and header
foreach (EndpointConfiguration config in _serverData.UPnPEndPoints)
{
if (config.AddressFamily == AddressFamily.InterNetworkV6)
{
response.SetHeader("OPT", "\"http://schemas.upnp.org/upnp/1/0/\"; ns=01");
response.SetHeader("01-NLS", _serverData.BootId.ToString());
}
response.SetHeader("CONFIGID.UPNP.ORG", config.ConfigId.ToString());
IPEndPoint ep = new IPEndPoint(config.SSDPMulticastAddress, UPnPConsts.SSDP_MULTICAST_PORT);
response.SetHeader("HOST", NetworkHelper.IPEndPointToString(ep));
if (config.SSDPUsesSpecialSearchPort)
response.SetHeader("SEARCHPORT.UPNP.ORG", config.SSDPSearchPort.ToString());
response.SetHeader("LOCATION", config.GetRootDeviceDescriptionURL(rootDevice));
byte[] bytes = response.Encode();
NetworkHelper.MulticastMessage(config.SSDP_UDP_UnicastSocket, config.SSDPMulticastAddress, bytes);
}
}
protected static void SendMessagesServices(DvDevice rootDevice, DvDevice device, ISSDPDiscoveryMessageSender messageSender)
{
ICollection<string> services = device.GetServiceTypeVersion_URNs();
foreach (string serviceTypeVersion_URN in services)
// One notification for each service
SendMessagesService(rootDevice, device, serviceTypeVersion_URN, messageSender);
}
protected static void SendMessagesEmbeddedDevicesRecursive(DvDevice rootDevice, DvDevice device, ISSDPDiscoveryMessageSender messageSender)
{
SendMessagesEmbeddedDevice(rootDevice, device, messageSender);
SendMessagesServices(rootDevice, device, messageSender);
foreach (DvDevice embeddedDevice in device.EmbeddedDevices)
SendMessagesEmbeddedDevicesRecursive(rootDevice, embeddedDevice, messageSender);
}
protected static void SendMessagesRootDevice(DvDevice rootDevice, ISSDPDiscoveryMessageSender messageSender)
{
string deviceUDN = rootDevice.UDN;
messageSender.SendMessage("upnp:rootdevice", deviceUDN + "::upnp:rootdevice", rootDevice);
messageSender.SendMessage(deviceUDN, deviceUDN, rootDevice);
messageSender.SendMessage(rootDevice.DeviceTypeVersion_URN, deviceUDN + "::" + rootDevice.DeviceTypeVersion_URN, rootDevice);
SendMessagesServices(rootDevice, rootDevice, messageSender);
foreach (DvDevice embeddedDevice in rootDevice.EmbeddedDevices)
SendMessagesEmbeddedDevicesRecursive(rootDevice, embeddedDevice, messageSender);
}
/// <summary>
/// Adds the specified embedded <paramref name="device"/>.
/// </summary>
/// <remarks>
/// Should be done at the time when the UPnP system is not bound to the network yet, but if the binding is already
/// established, the system will notify a configuration update.
/// Note that default devices (defined by a UPnP Forum working committee) must be added first.
/// </remarks>
/// <param name="device">Device to add to the embedded devices.</param>
public void AddEmbeddedDevice(DvDevice device)
{
device.ParentDevice = this;
_embeddedDevices.Add(device);
}
/// <summary>
/// Adds a new UPnP root device. Should be done before <see cref="Bind"/> is called.
/// </summary>
/// <param name="device">Device to add to the <see cref="RootDevices"/> collection.</param>
public void AddRootDevice(DvDevice device)
{
_rootDevices.Add(device);
}
/// <summary>
/// Returns an URL which points to the root device description of the given <paramref name="rootDevice"/> on this endpoint.
/// </summary>
/// <param name="rootDevice">Root device to get the description URL for.</param>
/// <returns>Absolute URL to the device description.</returns>
public string GetRootDeviceDescriptionURL(DvDevice rootDevice)
{
return GetEndpointHttpPrefixString() + _rootDeviceDescriptionPaths[rootDevice];
}
/// <summary>
/// Adds the specified embedded <paramref name="device"/>.
/// </summary>
/// <remarks>
/// Should be done at the time when the UPnP system is not bound to the network yet, but if the binding is already
/// established, the system will notify a configuration update.
/// Note that default devices (defined by a UPnP Forum working committee) must be added first.
/// </remarks>
/// <param name="device">Device to add to the embedded devices.</param>
public void AddEmbeddedDevice(DvDevice device)
{
device.ParentDevice = this;
_embeddedDevices.Add(device);
}
protected static void SendMessagesService(DvDevice rootDevice, DvDevice device, string serviceTypeVersion_URN,
ISSDPDiscoveryMessageSender messageSender)
{
string deviceUUID = device.UDN;
messageSender.SendMessage(serviceTypeVersion_URN, deviceUUID + "::" + serviceTypeVersion_URN, rootDevice);
}
protected static void SendMessagesEmbeddedDevice(DvDevice rootDevice, DvDevice device, ISSDPDiscoveryMessageSender messageSender)
{
string deviceUDN = device.UDN;
messageSender.SendMessage(deviceUDN, deviceUDN, rootDevice);
messageSender.SendMessage(device.DeviceTypeVersion_URN, deviceUDN + "::" + device.DeviceTypeVersion_URN, rootDevice);
}
