/// <summary>
///
/// </summary>
/// <param name="address"></param>
/// <param name="defaultPort"></param>
/// <returns></returns>
internal static async Task <FritzDevice> CreateDeviceAsync(IPAddress address, int defaultPort)
{
FritzDevice device = new FritzDevice();
device.IPAddress = address;
var uriBuilder = new UriBuilder();
uriBuilder.Scheme = "http";
uriBuilder.Host = address.ToString();
uriBuilder.Port = defaultPort;
uriBuilder.Port = await new DeviceInfoClient(uriBuilder.Uri.ToString(), 10000).GetSecurityPortAsync();
uriBuilder.Scheme = "https";
device.BaseUrl = uriBuilder.ToString();
if (device.Location == null)
{
return(null);
}
else
{
return(device);
}
}
public async Task <Tr64Description> ReadDeviceInfoAsync(FritzDevice device)
{
var uri = CreateRequestUri(device);
var httpRequest = WebRequest.CreateHttp(uri);
httpRequest.Timeout = 10000;
try
{
using (var response = (HttpWebResponse)(await httpRequest.GetResponseAsync()))
{
if (response.StatusCode == HttpStatusCode.OK)
{
using (var responseStream = response.GetResponseStream())
using (var responseReader = new StreamReader(responseStream, Encoding.UTF8))
{
var data = await responseReader.ReadToEndAsync();
return(new Tr64Description(device, data));
}
}
else
{
throw new FritzDeviceException($"Failed to get device info for device {device.Location.Host}. Response {response.StatusCode} - {response.StatusDescription}.");
}
}
}
catch (WebException ex)
{
throw new FritzDeviceException($"Failed to get device info for device {device.Location.Host}.", ex);
}
}
/// <summary>
/// Method to receive async
/// </summary>
/// <param name="client">the udp client</param>
/// <returns>the result task</returns>
private async Task ReceiveAsync(UdpClient client, Action <FritzDevice> deviceCallback)
{
IPEndPoint endpoint = new IPEndPoint(IPAddress.Any, 1900);
// delay for 20 seconds
Task waitTask = Task.Delay(TimeSpan.FromSeconds(10));
var getDeviceInfoTasks = new List <Task <Tr64Description> >();
Dictionary <IPAddress, FritzDevice> discovered = new Dictionary <IPAddress, FritzDevice>();
var tr64DataReader = new Tr64DataReader();
while (!waitTask.IsCompleted)
{
var receiveTask = SafeReceiveAsync(client);
// check wat for tasks
Task finishedTask = await Task.WhenAny(receiveTask, waitTask);
if (finishedTask == receiveTask)
{
UdpReceiveResult result = await receiveTask;
// if there is data in buffer read and pars it
if (result.Buffer != null && result.Buffer.Length > 0)
{
string response = Encoding.ASCII.GetString(result.Buffer, 0, result.Buffer.Length);
// create device by endpoint data
FritzDevice device = FritzDevice.ParseResponse(result.RemoteEndPoint.Address, response);
if (!discovered.ContainsKey(result.RemoteEndPoint.Address))
{
if (device != null && device.Location != null && device.Location.Scheme != "unknown")
{
// fetch the device info
deviceCallback?.Invoke(device);
getDeviceInfoTasks.Add(tr64DataReader.ReadDeviceInfoAsync(device));
discovered.Add(result.RemoteEndPoint.Address, device);
}
}
}
}
}
if (getDeviceInfoTasks.Count > 0)
{
foreach (var task in getDeviceInfoTasks)
{
try
{
var description = await task;
description.Device.ParseTR64Desc(description.Data);
} catch (FritzDeviceException e)
{
Console.WriteLine(e.Message);
}
}
}
}
private Uri CreateRequestUri(FritzDevice device)
{
var uriBuilder = new UriBuilder();
uriBuilder.Scheme = "http";
uriBuilder.Host = device.Location.Host;
uriBuilder.Port = device.Location.Port;
uriBuilder.Path = "tr64desc.xml";
return(uriBuilder.Uri);
}
/// <summary>
/// Creates a single <see cref="FritzDevice"/>.
/// </summary>
/// <param name="address">The address the device can be found under.</param>
/// <returns>The ready-to-use device.</returns>
/// <exception cref="FritzDeviceException">Thrown if a device can not be created or if the data is incomplete.</exception>
public async Task <FritzDevice> CreateDeviceAsync(IPAddress address)
{
var locationBuilder = new UriBuilder("http", address.ToString(), _dataQueryPort);
var device = new FritzDevice(address, locationBuilder.Uri);
var tr64Reader = new Tr64DataReader();
var tr64Data = await tr64Reader.ReadDeviceInfoAsync(device);
device.ParseTR64Desc(tr64Data.Data);
return(device);
}
/// <summary>
/// Method to parse the udp response
/// </summary>
/// <param name="address"></param>
/// <param name="response"></param>
/// <returns></returns>
internal static FritzDevice ParseResponse(IPAddress address, string response)
{
FritzDevice device = new FritzDevice();
device.IPAddress = address;
device.Location = device.ParseResponse(response);
if (device.Location == null)
{
return(null);
}
else
{
return(device);
}
}
public Tr64Description(FritzDevice device, string data)
{
if (device == null)
{
throw new ArgumentNullException(nameof(device));
}
if (string.IsNullOrWhiteSpace(data))
{
throw new ArgumentException("message", nameof(data));
}
Device = device;
Data = data;
}
/// <summary>
/// Creates a single <see cref="FritzDevice"/>.
/// </summary>
/// <param name="address">The address the device can be found under.</param>
/// <param name="defaultPort">The Default pot for accessing the device.</param>
/// <returns>The ready-to-use device.</returns>
/// <exception cref="FritzDeviceException">Thrown if a device can not be created or if the data is incomplete.</exception>
public async Task <FritzDevice> CreateDeviceAsync(IPAddress address, int defaultPort)
{
return(await FritzDevice.CreateDeviceAsync(address, defaultPort));
}