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//
// Authors:
// Alan McGovern alan.mcgovern@gmail.com
// Ben Motmans <ben.motmans@gmail.com>
// Nicholas Terry <nick.i.terry@gmail.com>
//
// Copyright (C) 2006 Alan McGovern
// Copyright (C) 2007 Ben Motmans
// Copyright (C) 2014 Nicholas Terry
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using Mono.Nat.Upnp;
using System.Diagnostics;
using System.Net.Sockets;
using System.Net.NetworkInformation;
using MediaBrowser.Common.Net;
using Microsoft.Extensions.Logging;
using MediaBrowser.Model.Dlna;
using System.Threading.Tasks;
namespace Mono.Nat
{
internal class UpnpSearcher : ISearcher
{
public event EventHandler<DeviceEventArgs> DeviceFound;
private DateTime nextSearch;
private readonly ILogger _logger;
private readonly IHttpClient _httpClient;
public UpnpSearcher(ILogger logger, IHttpClient httpClient)
{
_logger = logger;
_httpClient = httpClient;
}
public void Search()
{
}
public async Task Handle(IPAddress localAddress, UpnpDeviceInfo deviceInfo, IPEndPoint endpoint)
{
if (localAddress == null)
{
throw new ArgumentNullException(nameof(localAddress));
}
try
{
/* For UPnP Port Mapping we need ot find either WANPPPConnection or WANIPConnection.
* Any other device type is no good to us for this purpose. See the IGP overview paper
* page 5 for an overview of device types and their hierarchy.
* http://upnp.org/specs/gw/UPnP-gw-InternetGatewayDevice-v1-Device.pdf */
/* TODO: Currently we are assuming version 1 of the protocol. We should figure out which
* version it is and apply the correct URN. */
/* Some routers don't correctly implement the version ID on the URN, so we only search for the type
* prefix. */
// We have an internet gateway device now
var d = new UpnpNatDevice(localAddress, deviceInfo, endpoint, string.Empty, _logger, _httpClient);
await d.GetServicesList().ConfigureAwait(false);
OnDeviceFound(new DeviceEventArgs(d));
}
catch (Exception ex)
{
_logger.LogError(ex, "Error decoding device response");
}
}
public void Handle(IPAddress localAddress, byte[] response, IPEndPoint endpoint)
{
}
public DateTime NextSearch
{
get { return nextSearch; }
}
private void OnDeviceFound(DeviceEventArgs args)
{
if (DeviceFound != null)
DeviceFound(this, args);
}
public NatProtocol Protocol
{
get { return NatProtocol.Upnp; }
}
}
}
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