private static void LoadIcons(XmlReader reader, SsdpDevice device)
{
while (!reader.EOF && reader.NodeType != XmlNodeType.Element)
{
reader.Read();
}
while (!reader.EOF)
{
while (!reader.EOF && reader.NodeType != XmlNodeType.Element && !(reader.NodeType == XmlNodeType.EndElement && reader.Name == "iconList"))
{
reader.Read();
}
if (reader.LocalName == "icon")
{
var icon = new SsdpDeviceIcon();
LoadIconProperties(reader, icon);
device.Icons.Add(icon);
}
else
{
break;
}
}
}
private static void SetDeviceTypePropertiesFromFullDeviceType(SsdpDevice device, string value)
{
if (String.IsNullOrEmpty(value) || !value.Contains(":"))
{
device.DeviceType = value;
}
else
{
var parts = value.Split(':');
if (parts.Length == 5)
{
int deviceVersion = 1;
if (Int32.TryParse(parts[4], out deviceVersion))
{
device.DeviceTypeNamespace = parts[1];
device.DeviceType = parts[3];
device.DeviceVersion = deviceVersion;
}
else
{
device.DeviceType = value;
}
}
else
{
device.DeviceType = value;
}
}
}
private static void AddCustomProperty(XmlReader reader, SsdpDevice device)
{
var newProp = new SsdpDeviceProperty()
{
Namespace = reader.Prefix, Name = reader.LocalName
};
int depth = reader.Depth;
reader.Read();
while (reader.NodeType == XmlNodeType.Whitespace || reader.NodeType == XmlNodeType.Comment)
{
reader.Read();
}
if (reader.NodeType != XmlNodeType.CDATA && reader.NodeType != XmlNodeType.Text)
{
while (!reader.EOF && (reader.NodeType != XmlNodeType.EndElement || reader.Name != newProp.Name || reader.Prefix != newProp.Namespace || reader.Depth != depth))
{
reader.Read();
}
if (!reader.EOF)
{
reader.Read();
}
return;
}
newProp.Value = reader.Value;
// We don't support complex nested types or repeat/multi-value properties
if (!device.CustomProperties.Contains(newProp.FullName))
{
device.CustomProperties.Add(newProp);
}
}
private static void LoadServices(XmlReader reader, SsdpDevice device)
{
while (!reader.EOF && reader.NodeType != XmlNodeType.Element)
{
reader.Read();
}
while (!reader.EOF)
{
while (!reader.EOF && reader.NodeType != XmlNodeType.Element && !(reader.NodeType == XmlNodeType.EndElement && reader.Name == "serviceList"))
{
reader.Read();
}
if (reader.LocalName == "service")
{
var service = new SsdpService(reader.ReadOuterXml());
device.AddService(service);
}
else
{
break;
}
}
}
private static void WriteCustomProperties(XmlWriter writer, SsdpDevice device)
{
foreach (var prop in device.CustomProperties)
{
writer.WriteElementString(prop.Namespace, prop.Name, SsdpConstants.SsdpDeviceDescriptionXmlNamespace, prop.Value);
}
}
private void LoadChildDevices(XmlReader reader, SsdpDevice device)
{
while (!reader.EOF && reader.NodeType != XmlNodeType.Element)
{
reader.Read();
}
while (!reader.EOF)
{
while (!reader.EOF && reader.NodeType != XmlNodeType.Element)
{
reader.Read();
}
if (reader.LocalName == "device")
{
var childDevice = new SsdpEmbeddedDevice();
LoadDeviceProperties(reader, childDevice);
device.AddDevice(childDevice);
}
else
{
break;
}
}
}
/// <summary>
/// Constructs a new instance for the specified <see cref="SsdpDevice"/>.
/// </summary>
/// <param name="device">The <see cref="SsdpDevice"/> associated with the event this argument class is being used for.</param>
/// <exception cref="ArgumentNullException">Thrown if the <paramref name="device"/> argument is null.</exception>
public DeviceEventArgs(SsdpDevice device)
{
if (device == null)
{
throw new ArgumentNullException(nameof(device));
}
_Device = device;
}
private static void SetUuidFromUdn(SsdpDevice device)
{
if (device.Udn != null && device.Udn.StartsWith("uuid:", StringComparison.OrdinalIgnoreCase))
{
device.Uuid = device.Udn.Substring(5).Trim();
}
else
{
device.Uuid = device.Udn;
}
}
private static void WriteServices(XmlWriter writer, SsdpDevice device)
{
if (device.Services.Any())
{
writer.WriteStartElement("serviceList");
foreach (var service in device.Services)
{
WriteService(writer, service);
}
writer.WriteEndElement();
}
}
private static void AddCustomProperty(XmlReader reader, SsdpDevice device)
{
var newProp = new SsdpDeviceProperty()
{
Namespace = reader.Prefix, Name = reader.LocalName, Value = reader.ReadElementContentAsString()
};
// We don't support complex nested types or repeat/multi-value properties
if (!device.CustomProperties.Contains(newProp.FullName))
{
device.CustomProperties.Add(newProp);
}
}
private void WriteChildDevices(XmlWriter writer, SsdpDevice parentDevice)
{
if (parentDevice.Devices.Any())
{
writer.WriteStartElement("deviceList");
foreach (var device in parentDevice.Devices)
{
WriteDeviceDescriptionXml(writer, device);
}
writer.WriteEndElement();
}
}
/// <summary>
/// Returns the root device associated with a device instance derived from <see cref="SsdpDevice"/>.
/// </summary>
/// <param name="device">The device instance to find the <see cref="SsdpRootDevice"/> for.</param>
/// <remarks>
/// <para>The <paramref name="device"/> must be or inherit from <see cref="SsdpRootDevice"/> or <see cref="SsdpEmbeddedDevice"/>, otherwise an <see cref="System.InvalidCastException"/> will occur.</para>
/// <para>May return null if the <paramref name="device"/> instance is an embedded device not yet associated with a <see cref="SsdpRootDevice"/> instance yet.</para>
/// <para>If <paramref name="device"/> is an instance of <see cref="SsdpRootDevice"/> (or derives from it), returns the same instance cast to <see cref="SsdpRootDevice"/>.</para>
/// </remarks>
/// <returns>The <see cref="SsdpRootDevice"/> instance associated with the device instance specified, or null otherwise.</returns>
/// <exception cref="System.ArgumentNullException">Thrown if <paramref name="device"/> is null.</exception>
/// <exception cref="System.InvalidCastException">Thrown if <paramref name="device"/> is not an instance of or dervied from either <see cref="SsdpRootDevice"/> or <see cref="SsdpEmbeddedDevice"/>.</exception>
public static SsdpRootDevice ToRootDevice(this SsdpDevice device)
{
if (device == null)
{
throw new System.ArgumentNullException("device");
}
var rootDevice = device as SsdpRootDevice;
if (rootDevice == null)
{
rootDevice = ((SsdpEmbeddedDevice)device).RootDevice;
}
return(rootDevice);
}
private void LoadDeviceProperties(XmlReader reader, SsdpDevice device)
{
ReadUntilDeviceNode(reader);
while (!reader.EOF)
{
if (reader.NodeType == XmlNodeType.EndElement && reader.Name == "device")
{
reader.Read();
break;
}
if (!SetPropertyFromReader(reader, device))
{
reader.Read();
}
}
}
private static void WriteIcons(XmlWriter writer, SsdpDevice device)
{
if (device.Icons.Any())
{
writer.WriteStartElement("iconList");
foreach (var icon in device.Icons)
{
writer.WriteStartElement("icon");
writer.WriteElementString("mimetype", icon.MimeType);
writer.WriteElementString("width", icon.Width.ToString());
writer.WriteElementString("height", icon.Height.ToString());
writer.WriteElementString("depth", icon.ColorDepth.ToString());
writer.WriteElementString("url", icon.Url.ToString());
writer.WriteEndElement();
}
writer.WriteEndElement();
}
}
/// <summary>
/// Writes this device to the specified <see cref="System.Xml.XmlWriter"/> as a device node and it's content.
/// </summary>
/// <param name="writer">The <see cref="System.Xml.XmlWriter"/> to output to.</param>
/// <param name="device">The <see cref="SsdpDevice"/> to write out.</param>
/// <exception cref="System.ArgumentNullException">Thrown if the <paramref name="writer"/> or <paramref name="device"/> argument is null.</exception>
protected virtual void WriteDeviceDescriptionXml(XmlWriter writer, SsdpDevice device)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (device == null)
{
throw new ArgumentNullException("device");
}
writer.WriteStartElement("device");
if (!String.IsNullOrEmpty(device.FullDeviceType))
{
WriteNodeIfNotEmpty(writer, "deviceType", device.FullDeviceType);
}
WriteNodeIfNotEmpty(writer, "friendlyName", device.FriendlyName);
WriteNodeIfNotEmpty(writer, "manufacturer", device.Manufacturer);
WriteNodeIfNotEmpty(writer, "manufacturerURL", device.ManufacturerUrl);
WriteNodeIfNotEmpty(writer, "modelDescription", device.ModelDescription);
WriteNodeIfNotEmpty(writer, "modelName", device.ModelName);
WriteNodeIfNotEmpty(writer, "modelNumber", device.ModelNumber);
WriteNodeIfNotEmpty(writer, "modelURL", device.ModelUrl);
WriteNodeIfNotEmpty(writer, "presentationURL", device.PresentationUrl);
WriteNodeIfNotEmpty(writer, "serialNumber", device.SerialNumber);
WriteNodeIfNotEmpty(writer, "UDN", device.Udn);
WriteNodeIfNotEmpty(writer, "UPC", device.Upc);
WriteCustomProperties(writer, device);
WriteIcons(writer, device);
WriteChildDevices(writer, device);
WriteServices(writer, device);
writer.WriteEndElement();
}
private static void SetDeviceTypePropertiesFromFullDeviceType(SsdpDevice device, string value)
{
if (String.IsNullOrEmpty(value) || !value.Contains(":"))
device.DeviceType = value;
else
{
var parts = value.Split(':');
if (parts.Length == 5)
{
int deviceVersion = 1;
if (Int32.TryParse(parts[4], out deviceVersion))
{
device.DeviceTypeNamespace = parts[1];
device.DeviceType = parts[3];
device.DeviceVersion = deviceVersion;
}
else
device.DeviceType = value;
}
else
device.DeviceType = value;
}
}
private ReceivedUdpData GetMockSearchResponseWithCustomCacheHeader(SsdpDevice device, string stHeader, string cacheHeader)
{
var responseText = String.Format(@"HTTP/1.1 200 OK
EXT:
DATE: {4}{0}
ST:{1}
SERVER: TestOS/1.0 UPnP/1.0 RSSDP/1.0
USN:{2}
LOCATION:{3}
", //Blank line at end important, do not remove.
String.IsNullOrEmpty(cacheHeader) ? String.Empty : Environment.NewLine + cacheHeader,
stHeader,
String.Format("{0}:{1}", device.Udn, device.FullDeviceType),
device.ToRootDevice().Location,
DateTime.UtcNow.ToString("r")
);
var retVal = new ReceivedUdpData()
{
Buffer = System.Text.ASCIIEncoding.UTF8.GetBytes(responseText),
ReceivedFrom = new UdpEndPoint() { IPAddress = SsdpConstants.MulticastLocalAdminAddress, Port = SsdpConstants.MulticastPort }
};
retVal.ReceivedBytes = retVal.Buffer.Length;
return retVal;
}
private ReceivedUdpData GetMockSearchResponse(SsdpDevice device, string stHeader)
{
return GetMockSearchResponseWithCustomCacheHeader(device, stHeader, String.Format("CACHE-CONTROL: public, max-age={0}", device.ToRootDevice().CacheLifetime.TotalSeconds));
}
private ReceivedUdpData GetMockByeByeNotification(SsdpDevice device)
{
var data = String.Format(@"NOTIFY * HTTP/1.1
HOST: 239.255.255.250:1900
DATE: {0}
NT: {1}
NTS: ssdp:byebye
SERVER: TestOS/1.0 UPnP/1.0 RSSDP/1.0
USN: {2}
",
DateTime.UtcNow.ToString("r"),
device.Udn,
String.Format("{0}::{1}", device.Udn, device.FullDeviceType)
);
var retVal = new ReceivedUdpData()
{
Buffer = System.Text.UTF8Encoding.UTF8.GetBytes(data),
ReceivedFrom = new UdpEndPoint()
{
IPAddress = SsdpConstants.MulticastLocalAdminAddress,
Port = 1900
}
};
retVal.ReceivedBytes = retVal.Buffer.Length;
return retVal;
}
private ReceivedUdpData GetMockAliveNotification(SsdpDevice device)
{
var rootDevice = device.ToRootDevice();
var data = String.Format(@"NOTIFY * HTTP/1.1
HOST: 239.255.255.250:1900
Date: {0}
NT: {1}
NTS: ssdp:alive
SERVER: TestOS/1.0 UPnP/1.0 RSSDP/1.0
USN: {2}
LOCATION: {3}
CACHE-CONTROL: public, max-age={4}
",
DateTime.UtcNow.ToString("r"),
device.Udn,
String.Format("{0}::{1}", device.Udn, device.FullDeviceType),
rootDevice.Location,
rootDevice.CacheLifetime.TotalSeconds
);
var retVal = new ReceivedUdpData()
{
Buffer = System.Text.UTF8Encoding.UTF8.GetBytes(data),
ReceivedFrom = new UdpEndPoint()
{
IPAddress = SsdpConstants.MulticastLocalAdminAddress,
Port = 1900
}
};
retVal.ReceivedBytes = retVal.Buffer.Length;
return retVal;
}
private void LoadChildDevices(XmlReader reader, SsdpDevice device)
{
while (!reader.EOF && reader.NodeType != XmlNodeType.Element)
{
reader.Read();
}
while (!reader.EOF)
{
while (!reader.EOF && reader.NodeType != XmlNodeType.Element)
{
reader.Read();
}
if (reader.LocalName == "device")
{
var childDevice = new SsdpEmbeddedDevice();
LoadDeviceProperties(reader, childDevice);
device.AddDevice(childDevice);
}
else
break;
}
}
private bool SetPropertyFromReader(XmlReader reader, SsdpDevice device)
{
switch (reader.LocalName)
{
case "friendlyName":
device.FriendlyName = reader.ReadElementContentAsString();
break;
case "manufacturer":
device.Manufacturer = reader.ReadElementContentAsString();
break;
case "manufacturerURL":
device.ManufacturerUrl = StringToUri(reader.ReadElementContentAsString());
break;
case "modelDescription":
device.ModelDescription = reader.ReadElementContentAsString();
break;
case "modelName":
device.ModelName = reader.ReadElementContentAsString();
break;
case "modelNumber":
device.ModelNumber = reader.ReadElementContentAsString();
break;
case "modelURL":
device.ModelUrl = StringToUri(reader.ReadElementContentAsString());
break;
case "presentationURL":
device.PresentationUrl = StringToUri(reader.ReadElementContentAsString());
break;
case "serialNumber":
device.SerialNumber = reader.ReadElementContentAsString();
break;
case "UDN":
device.Udn = reader.ReadElementContentAsString();
SetUuidFromUdn(device);
break;
case "UPC":
device.Upc = reader.ReadElementContentAsString();
break;
case "deviceType":
SetDeviceTypePropertiesFromFullDeviceType(device, reader.ReadElementContentAsString());
break;
case "iconList":
reader.Read();
LoadIcons(reader, device);
break;
case "deviceList":
reader.Read();
LoadChildDevices(reader, device);
break;
case "serviceList":
reader.Skip();
break;
default:
if (reader.NodeType == XmlNodeType.Element && reader.Name != "device" && reader.Name != "icon")
{
AddCustomProperty(reader, device);
break;
}
else
return false;
}
return true;
}
private bool SetPropertyFromReader(XmlReader reader, SsdpDevice device)
{
switch (reader.LocalName)
{
case "friendlyName":
device.FriendlyName = reader.ReadElementContentAsString();
break;
case "manufacturer":
device.Manufacturer = reader.ReadElementContentAsString();
break;
case "manufacturerURL":
device.ManufacturerUrl = StringToUri(reader.ReadElementContentAsString());
break;
case "modelDescription":
device.ModelDescription = reader.ReadElementContentAsString();
break;
case "modelName":
device.ModelName = reader.ReadElementContentAsString();
break;
case "modelNumber":
device.ModelNumber = reader.ReadElementContentAsString();
break;
case "modelURL":
device.ModelUrl = StringToUri(reader.ReadElementContentAsString());
break;
case "presentationURL":
device.PresentationUrl = StringToUri(reader.ReadElementContentAsString());
break;
case "serialNumber":
device.SerialNumber = reader.ReadElementContentAsString();
break;
case "UDN":
device.Udn = reader.ReadElementContentAsString();
SetUuidFromUdn(device);
break;
case "UPC":
device.Upc = reader.ReadElementContentAsString();
break;
case "deviceType":
SetDeviceTypePropertiesFromFullDeviceType(device, reader.ReadElementContentAsString());
break;
case "iconList":
reader.Read();
LoadIcons(reader, device);
break;
case "deviceList":
reader.Read();
LoadChildDevices(reader, device);
break;
case "serviceList":
reader.Skip();
break;
default:
if (reader.NodeType == XmlNodeType.Element && reader.Name != "device" && reader.Name != "icon")
{
AddCustomProperty(reader, device);
break;
}
else
{
return(false);
}
}
return(true);
}
/// <summary>
/// Writes this device to the specified <see cref="System.Xml.XmlWriter"/> as a device node and it's content.
/// </summary>
/// <param name="writer">The <see cref="System.Xml.XmlWriter"/> to output to.</param>
/// <param name="device">The <see cref="SsdpDevice"/> to write out.</param>
/// <exception cref="System.ArgumentNullException">Thrown if the <paramref name="writer"/> or <paramref name="device"/> argument is null.</exception>
protected virtual void WriteDeviceDescriptionXml(XmlWriter writer, SsdpDevice device)
{
if (writer == null) throw new ArgumentNullException("writer");
if (device == null) throw new ArgumentNullException("device");
writer.WriteStartElement("device");
if (!String.IsNullOrEmpty(device.FullDeviceType))
WriteNodeIfNotEmpty(writer, "deviceType", device.FullDeviceType);
WriteNodeIfNotEmpty(writer, "friendlyName", device.FriendlyName);
WriteNodeIfNotEmpty(writer, "manufacturer", device.Manufacturer);
WriteNodeIfNotEmpty(writer, "manufacturerURL", device.ManufacturerUrl);
WriteNodeIfNotEmpty(writer, "modelDescription", device.ModelDescription);
WriteNodeIfNotEmpty(writer, "modelName", device.ModelName);
WriteNodeIfNotEmpty(writer, "modelNumber", device.ModelNumber);
WriteNodeIfNotEmpty(writer, "modelURL", device.ModelUrl);
WriteNodeIfNotEmpty(writer, "presentationURL", device.PresentationUrl);
WriteNodeIfNotEmpty(writer, "serialNumber", device.SerialNumber);
WriteNodeIfNotEmpty(writer, "UDN", device.Udn);
WriteNodeIfNotEmpty(writer, "UPC", device.Upc);
WriteCustomProperties(writer, device);
WriteIcons(writer, device);
WriteChildDevices(writer, device);
writer.WriteEndElement();
}
private static void WriteCustomProperties(XmlWriter writer, SsdpDevice device)
{
foreach (var prop in device.CustomProperties)
{
writer.WriteElementString(prop.Namespace, prop.Name, SsdpConstants.SsdpDeviceDescriptionXmlNamespace, prop.Value);
}
}
private static void LoadIcons(XmlReader reader, SsdpDevice device)
{
while (!reader.EOF)
{
while (!reader.EOF && reader.NodeType != XmlNodeType.Element)
{
reader.Read();
}
if (reader.LocalName != "icon") break;
while (reader.Name == "icon")
{
var icon = new SsdpDeviceIcon();
LoadIconProperties(reader, icon);
device.Icons.Add(icon);
reader.Read();
}
}
}
private static void WriteIcons(XmlWriter writer, SsdpDevice device)
{
if (device.Icons.Any())
{
writer.WriteStartElement("iconList");
foreach (var icon in device.Icons)
{
writer.WriteStartElement("icon");
writer.WriteElementString("mimetype", icon.MimeType);
writer.WriteElementString("width", icon.Width.ToString());
writer.WriteElementString("height", icon.Height.ToString());
writer.WriteElementString("depth", icon.ColorDepth.ToString());
writer.WriteElementString("url", icon.Url.ToString());
writer.WriteEndElement();
}
writer.WriteEndElement();
}
}
private bool ChildDeviceExists(SsdpDevice device)
{
return (from d in _Devices where device.Uuid == d.Uuid select d).Any();
}
private void WriteChildDevices(XmlWriter writer, SsdpDevice parentDevice)
{
if (parentDevice.Devices.Any())
{
writer.WriteStartElement("deviceList");
foreach (var device in parentDevice.Devices)
{
WriteDeviceDescriptionXml(writer, device);
}
writer.WriteEndElement();
}
}
static SsdpDevice CreateSsdpDeviceModel(DiscoveredSsdpDevice discoveredSsdpDevice, Rssdp.SsdpDevice ssdpDevice)
{
return(new SsdpDevice
{
Usn = discoveredSsdpDevice.Usn,
DescriptionLocation = discoveredSsdpDevice.DescriptionLocation?.ToString(),
CacheLifetime = discoveredSsdpDevice.CacheLifetime,
DeviceType = ssdpDevice.DeviceType,
NotificationType = discoveredSsdpDevice.NotificationType,
DeviceTypeNamespace = ssdpDevice.DeviceTypeNamespace,
});
}
private static void SetUuidFromUdn(SsdpDevice device)
{
if (device.Udn != null && device.Udn.StartsWith("uuid:", StringComparison.OrdinalIgnoreCase))
device.Uuid = device.Udn.Substring(5).Trim();
else
device.Uuid = device.Udn;
}
private static void AddCustomProperty(XmlReader reader, SsdpDevice device)
{
var newProp = new SsdpDeviceProperty() { Namespace = reader.Prefix, Name = reader.LocalName, Value = reader.ReadElementContentAsString() };
// We don't support complex nested types or repeat/multi-value properties
if (!device.CustomProperties.Contains(newProp.FullName))
device.CustomProperties.Add(newProp);
}
private void LoadDeviceProperties(XmlReader reader, SsdpDevice device)
{
ReadUntilDeviceNode(reader);
while (!reader.EOF)
{
if (reader.NodeType == XmlNodeType.EndElement && reader.Name == "device")
{
reader.Read();
break;
}
if (!SetPropertyFromReader(reader, device))
reader.Read();
}
}
public void DoInvalidWrite(XmlWriter writer, SsdpDevice device)
{
this.WriteDeviceDescriptionXml(writer, device);
}
protected override void WriteDeviceDescriptionXml(System.Xml.XmlWriter writer, SsdpDevice device)
{
base.WriteDeviceDescriptionXml(writer, device);
}
private bool ChildDeviceExists(SsdpDevice device)
{
return((from d in _Devices where device.Uuid == d.Uuid select d).Any());
}
private string AdditionalHeaders(SsdpDevice device)
{
if (device.CustomResponseHeaders.Count == 0) return String.Empty;
StringBuilder returnValue = new StringBuilder();
foreach (var header in device.CustomResponseHeaders)
{
returnValue.Append("\r\n");
returnValue.Append(header.ToString());
}
return returnValue.ToString();
}
/// <summary>
/// Constructs a new instance for the specified <see cref="SsdpDevice"/>.
/// </summary>
/// <param name="device">The <see cref="SsdpDevice"/> associated with the event this argument class is being used for.</param>
/// <exception cref="System.ArgumentNullException">Thrown if the <paramref name="device"/> argument is null.</exception>
public DeviceEventArgs(SsdpDevice device)
{
if (device == null) throw new ArgumentNullException("device");
_Device = device;
}
private void SetProperies(SsdpDevice device, string fullDeviceType)
{
var service = fullDeviceType.Replace("urn:", string.Empty).Replace(":1", string.Empty);
var serviceParts = service.Split(':');
var deviceTypeNamespace = serviceParts[0].Replace('.', '-');
device.DeviceTypeNamespace = deviceTypeNamespace;
device.DeviceClass = serviceParts[1];
device.DeviceType = serviceParts[2];
}
