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//
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// Authors:
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// Nicholas Terry <nick.i.terry@gmail.com>
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//
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// Copyright (C) 2014 Nicholas Terry
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Net;
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using System.Net.Sockets;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Model.Logging;
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namespace Mono.Nat.Upnp.Mappers
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{
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internal class UpnpMapper : Upnp, IMapper
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{
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public event EventHandler<DeviceEventArgs> DeviceFound;
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public UdpClient Client { get; set; }
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public UpnpMapper(ILogger logger, IHttpClient httpClient)
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: base(logger, httpClient)
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{
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//Bind to local port 1900 for ssdp responses
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Client = new UdpClient(1900);
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}
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public void Map(IPAddress gatewayAddress)
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{
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//Get the httpu request payload
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byte[] data = DiscoverDeviceMessage.EncodeUnicast(gatewayAddress);
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Client.Send(data, data.Length, new IPEndPoint(gatewayAddress, 1900));
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new Thread(Receive).Start();
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}
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public async void Receive()
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{
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while (true)
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{
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IPEndPoint received = new IPEndPoint(IPAddress.Parse("192.168.0.1"), 5351);
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if (Client.Available > 0)
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{
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IPAddress localAddress = ((IPEndPoint)Client.Client.LocalEndPoint).Address;
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byte[] data = Client.Receive(ref received);
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await Handle(localAddress, data, received);
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}
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}
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}
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public void Handle(IPAddress localAddres, byte[] response)
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{
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}
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public override async Task<UpnpNatDevice> Handle(IPAddress localAddress, byte[] response, IPEndPoint endpoint)
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{
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// No matter what, this method should never throw an exception. If something goes wrong
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// we should still be in a position to handle the next reply correctly.
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try
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{
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var d = await base.Handle(localAddress, response, endpoint).ConfigureAwait(false);
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var result = await d.GetServicesList().ConfigureAwait(false);
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if (result)
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{
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DeviceSetupComplete(d);
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}
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return d;
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}
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catch (Exception ex)
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{
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Logger.ErrorException("Error mapping port. Data string: {0}", ex, Encoding.UTF8.GetString(response));
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return null;
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}
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}
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private void DeviceSetupComplete(INatDevice device)
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{
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OnDeviceFound(new DeviceEventArgs(device));
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}
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private void OnDeviceFound(DeviceEventArgs args)
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{
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if (DeviceFound != null)
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DeviceFound(this, args);
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}
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}
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}
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