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 SetServiceTypePropertiesFromFullDeviceType(SsdpService service, string value)
{
if (String.IsNullOrEmpty(value) || !value.Contains(":"))
{
service.ServiceType = value;
}
else
{
var parts = value.Split(':');
if (parts.Length == 5)
{
int serviceVersion = 1;
if (Int32.TryParse(parts[4], out serviceVersion))
{
service.ServiceTypeNamespace = parts[1];
service.ServiceType = parts[3];
service.ServiceVersion = serviceVersion;
}
else
{
service.ServiceType = value;
}
}
else
{
service.ServiceType = value;
}
}
}
private bool SetPropertyFromReader(XmlReader reader, SsdpService service)
{
switch (reader.LocalName)
{
case "serviceType":
SetServiceTypePropertiesFromFullDeviceType(service, reader.ReadElementContentAsString());
break;
case "serviceId":
SetServiceIdPropertiesFromFullServiceId(service, reader.ReadElementContentAsString());
break;
case "SCPDURL":
this.ScpdUrl = StringToUri(reader.ReadElementContentAsString());
break;
case "controlURL":
this.ControlUrl = StringToUri(reader.ReadElementContentAsString());
break;
case "eventSubURL":
this.EventSubUrl = StringToUri(reader.ReadElementContentAsString());
break;
default:
return(false);
}
return(true);
}
/// <summary>
/// Constructs a new instance for the specified <see cref="SsdpService"/>.
/// </summary>
/// <param name="service">The <see cref="SsdpService"/> associated with the event this argument class is being used for.</param>
/// <exception cref="System.ArgumentNullException">Thrown if the <paramref name="service"/> argument is null.</exception>
public ServiceEventArgs(SsdpService service)
{
if (service == null)
{
throw new ArgumentNullException(nameof(service));
}
_Service = service;
}
/// <summary>
/// Raises the <see cref="ServiceRemoved"/> event.
/// </summary>
/// <param name="service">The <see cref="SsdpService"/> instance removed from the <see cref="Services"/> collection.</param>
/// <seealso cref="RemoveService"/>
/// <see cref="ServiceRemoved"/>
protected virtual void OnServiceRemoved(SsdpService service)
{
var handlers = this.ServiceRemoved;
if (handlers != null)
{
handlers(this, new ServiceEventArgs(service));
}
}
private static void WriteService(XmlWriter writer, SsdpService service)
{
writer.WriteStartElement("service");
WriteNodeIfNotEmpty(writer, "serviceType", service.FullServiceType);
WriteNodeIfNotEmpty(writer, "serviceId", service.ServiceId);
WriteNodeIfNotEmpty(writer, "SCPDURL", service.ScpdUrl);
WriteNodeIfNotEmpty(writer, "controlURL", service.ControlUrl);
WriteNodeIfNotEmpty(writer, "eventSubURL", service.EventSubUrl);
writer.WriteEndElement();
}
private void LoadServiceProperties(XmlReader reader, SsdpService service)
{
ReadUntilServiceNode(reader);
while (!reader.EOF)
{
if (reader.NodeType == XmlNodeType.EndElement && reader.Name == "service")
{
reader.Read();
break;
}
if (!SetPropertyFromReader(reader, service))
{
reader.Read();
}
}
}
private static void SetServiceIdPropertiesFromFullServiceId(SsdpService service, string value)
{
if (String.IsNullOrEmpty(value) || !value.Contains(":"))
{
service.ServiceType = value;
}
else
{
var parts = value.Split(':');
if (parts.Length == 4)
{
service.Uuid = parts[3];
}
else
{
service.Uuid = value;
}
}
}
/// <summary>
/// Removes a service from the <see cref="Services"/> collection.
/// </summary>
/// <param name="service">The <see cref="SsdpService"/> instance to remove.</param>
/// <remarks>
/// <para>If the service is not a member of the <see cref="Services"/> collection, this method does nothing.</para>
/// </remarks>
/// <exception cref="System.ArgumentNullException">Thrown if the <paramref name="service"/> argument is null.</exception>
/// <seealso cref="ServiceRemoved"/>
public void RemoveService(SsdpService service)
{
if (service == null)
{
throw new ArgumentNullException(nameof(service));
}
bool wasRemoved = false;
lock (_Services)
{
wasRemoved = _Services.Remove(service);
}
if (wasRemoved)
{
OnServiceRemoved(service);
}
}
/// <summary>
/// Adds a service to the <see cref="Services"/> collection.
/// </summary>
/// <param name="service">The <see cref="SsdpService"/> instance to add.</param>
/// <remarks>
/// <para>If the service is already a member of the <see cref="Services"/> collection, this method does nothing.</para>
/// <para>Services should be added to the device before it is added to a publisher.</para>
/// </remarks>
/// <exception cref="System.ArgumentNullException">Thrown if the <paramref name="service"/> argument is null.</exception>
/// <seealso cref="ServiceAdded"/>
public void AddService(SsdpService service)
{
if (service == null)
{
throw new ArgumentNullException(nameof(service));
}
bool wasAdded = false;
lock (_Services)
{
if (!ChildServiceExists(service))
{
_Services.Add(service);
wasAdded = true;
}
}
if (wasAdded)
{
OnServiceAdded(service);
}
}
private bool ChildServiceExists(SsdpService service)
{
return((from s in _Services where service.Uuid == s.Uuid select s).Any());
}
