private List <UpnpEngineDevice> SearchDevices(UpnpNt nt)
{
List <UpnpEngineDevice> foundDevices = new List <UpnpEngineDevice>();
lock (this.deviceLock)
{
foreach (UpnpEngineDevice device in this.devices)
{
if (nt == null || device.Device.DeviceNt.IsMatch(nt))
{
foundDevices.Add(device);
}
}
}
return(foundDevices);
}
private void OnRunnerDiscovery(HttpRequest request, IPEndPoint remoteEndpoint, IPEndPoint localEndpoint, IPAddress localInterfaceIpOfRemoteAddress)
{
HttpHeader searchFor = request.Headers.Get("ST", true);
if (searchFor == null)
{
throw new Exception("Invaild m-search quary (missing ST header)");
}
UpnpNt searchItem = UpnpNt.Parse(searchFor.Value);
Console.WriteLine($"Ssdp discovery search for {searchItem.ToString()} detected from {remoteEndpoint.ToString()} to {localEndpoint.ToString()} can response using {localInterfaceIpOfRemoteAddress?.ToString()}");
List <UpnpEngineDevice> foundDevices = this.SearchDevices(searchItem);
foreach (UpnpEngineDevice singleFoundDevice in foundDevices)
{
OnRunnerDisocveryForDevice(request, singleFoundDevice, searchItem, remoteEndpoint, localEndpoint, localInterfaceIpOfRemoteAddress);
}
}
public virtual bool IsMatch(UpnpNt searchObject) => this.UpnpType.Equal(searchObject);
internal UpnpFragmentWithType(UpnpNt upnpType)
{
UpnpType = upnpType;
}
public override bool IsMatch(UpnpNt searchObject) => (this.UpnpId.Equal(searchObject)) ? true : base.IsMatch(searchObject);
internal UpnpFragmentWithId(UpnpNt upnpType, UpnpNt upnpId) : base(upnpType)
{
UpnpId = upnpId;
}
private void OnRunnerDisocveryForDevice(HttpRequest request, UpnpEngineDevice device, UpnpNt searchId, IPEndPoint remoteEndpoint, IPEndPoint localEndpoint, IPAddress localInterfaceIpOfRemoteEndpoint)
{
Console.WriteLine("Sending response for disconvery");
HttpHeader sendDelay = request.Headers.Get("MX", true);
if (sendDelay != null && int.TryParse(sendDelay.Value, out int maxDelay))
{
int currentSleep = random.Next(1, maxDelay * 1000);
System.Threading.Thread.Sleep(currentSleep);
}
UpnpSsdpQueryResponse response = new UpnpSsdpQueryResponse(
(int)device.Device.NotificationInterval.TotalSeconds,
searchId, device.Device.IdUsn, this.GetDeviceHttpAddress(device, localInterfaceIpOfRemoteEndpoint));
this.Send(response, remoteEndpoint);
}
internal UpnpFragmentWithRoot(UpnpNt upnpType, UpnpNt upnpId, UpnpNt upnpRoot) : base(upnpType, upnpId)
{
UpnpRoot = upnpRoot;
}
