/// <summary>
/// Initializes a new instance of the <see cref="UPnPDevicesDiscovery{TDevice}" /> class.
/// </summary>
/// <param name="targetDeviceType">
/// The type of the devices to discover.
/// </param>
/// <param name="ssdpServer">
/// The implementation of the SSDP protocol to use for discovering the UPnP devices.
/// </param>
/// <param name="logManager">
/// The <see cref="ILogManager"/> to use for logging the debug information.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="targetDeviceType"/> is <c>null</c> or <see cref="string.Empty"/> -OR-
/// <paramref name="ssdpServer"/> is <c>null</c> -OR-
/// <paramref name="logManager"/> is <c>null</c>.
/// </exception>
internal UPnPDevicesDiscovery(string targetDeviceType, ISSDPServer ssdpServer, ILogManager logManager = null)
{
targetDeviceType.EnsureNotNull("targetDevices");
ssdpServer.EnsureNotNull("ssdpServer");
this.targetDeviceType = targetDeviceType;
this.ssdpServer = ssdpServer;
this.logManager = logManager;
if (this.logManager != null)
{
this.logger = this.logManager.GetLogger(this.GetType());
this.logger.Instance().Info("Started listening for upnp devices", "TargetDevices".As(targetDeviceType));
}
var targetDevicesNotifications = from notification in this.ssdpServer.NotifyMessages
where string.Compare(notification.NotificationType, targetDeviceType, StringComparison.OrdinalIgnoreCase) == 0
select notification;
targetDevicesNotifications.Where(m => m.NotificationSubtype == NotifyMessageType.Alive).Subscribe(this.TryAddDevice);
targetDevicesNotifications.Where(m => m.NotificationSubtype == NotifyMessageType.Update).Subscribe(this.TryUpdateDevice);
targetDevicesNotifications.Where(m => m.NotificationSubtype == NotifyMessageType.ByeBye).Subscribe(m => this.TryRemoveDevice(m.UDN));
this.ScanAsync();
}
/// <summary>
/// Initializes a new instance of the <see cref="UPnPDevicesDiscovery{TDevice}" /> class.
/// </summary>
/// <param name="targetDeviceType">
/// The type of the devices to discover.
/// </param>
/// <param name="ssdpServer">
/// The implementation of the SSDP protocol to use for discovering the UPnP devices.
/// </param>
/// <param name="loggerFactory">
/// The <see cref="ILogManager"/> to use for logging the debug information.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="targetDeviceType"/> is <c>null</c> or <see cref="string.Empty"/> -OR-
/// <paramref name="ssdpServer"/> is <c>null</c> -OR-
/// <paramref name="logManager"/> is <c>null</c>.
/// </exception>
internal UPnPDevicesDiscovery(string targetDeviceType, ISSDPServer ssdpServer, ILoggerFactory loggerFactory)
{
targetDeviceType.EnsureNotNull("targetDevices");
ssdpServer.EnsureNotNull("ssdpServer");
System.Text.Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
this.targetDeviceType = targetDeviceType;
this.ssdpServer = ssdpServer;
this.loggerFactory = loggerFactory;
this.logger = loggerFactory.CreateLogger(this.GetType());
this.logger.LogInformation("Started listening for upnp devices", "TargetDevices".As(targetDeviceType));
var targetDevicesNotifications = from notification in this.ssdpServer.NotifyMessages
where string.Compare(notification.NotificationType, targetDeviceType, StringComparison.OrdinalIgnoreCase) == 0
select notification;
targetDevicesNotifications.Where(m => m.NotificationSubtype == NotifyMessageType.Alive).Subscribe(this.TryAddDevice);
targetDevicesNotifications.Where(m => m.NotificationSubtype == NotifyMessageType.Update).Subscribe(this.TryUpdateDevice);
targetDevicesNotifications.Where(m => m.NotificationSubtype == NotifyMessageType.ByeBye).Subscribe(m => this.TryRemoveDevice(m.UDN));
this.ScanAsync();
}