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adjust discovery of local ip addresses

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pull/702/head
Luke Pulverenti 10 years ago
parent 5363cb2719
commit 6130cb2403
6 changed files with 106 additions and 41 deletions
Show Stats Download Patch File Download Diff File

26
MediaBrowser.Common.Implementations/Networking/BaseNetworkManager.cs
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@ -24,14 +24,32 @@ namespace MediaBrowser.Common.Implementations.Networking
/// <returns>IPAddress.</returns>
public IEnumerable<string> GetLocalIpAddresses()
{
var list = GetIPsDefault().Where(i => !IPAddress.IsLoopback(i)).Select(i => i.ToString()).ToList();
var list = GetIPsDefault()
.Where(i => !IPAddress.IsLoopback(i))
.Select(i => i.ToString())
.ToList();
if (list.Count > 0)
try
{
return list;
var listFromDns = Dns.GetHostAddresses(Dns.GetHostName())
.Where(i => i.AddressFamily == AddressFamily.InterNetwork)
.Where(i => !IPAddress.IsLoopback(i))
.Select(i => i.ToString())
.ToList();
if (listFromDns.Count > 0)
{
return listFromDns
.OrderBy(i => (list.Contains(i, StringComparer.OrdinalIgnoreCase) ? 0 : 1))
.ToList();
}
}
catch
{
return GetLocalIpAddressesFallback();
}
return list;
}
public bool IsInLocalNetwork(string endpoint)

9
MediaBrowser.Controller/IServerApplicationHost.cs
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@ -1,4 +1,5 @@
using MediaBrowser.Common;
using System.Collections.Generic;
using MediaBrowser.Common;
using MediaBrowser.Model.System;
using System;
@ -46,5 +47,11 @@ namespace MediaBrowser.Controller
/// </summary>
/// <value>The name of the friendly.</value>
string FriendlyName { get; }
/// <summary>
/// Gets the HTTP server ip addresses.
/// </summary>
/// <value>The HTTP server ip addresses.</value>
IEnumerable<string> HttpServerIpAddresses { get; }
}
}

2
MediaBrowser.Dlna/Main/DlnaEntryPoint.cs
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@ -111,7 +111,7 @@ namespace MediaBrowser.Dlna.Main
_ssdpHandler.Start();
_deviceDiscovery = new DeviceDiscovery(_logger, _config, _httpClient, _ssdpHandler, _network);
_deviceDiscovery = new DeviceDiscovery(_logger, _config, _ssdpHandler, _appHost);
_deviceDiscovery.Start();
}

40
MediaBrowser.Dlna/Ssdp/DeviceDiscovery.cs
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@ -1,5 +1,6 @@
using MediaBrowser.Common.Events;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Model.Logging;
using System;
@ -21,21 +22,19 @@ namespace MediaBrowser.Dlna.Ssdp
private readonly IServerConfigurationManager _config;
private readonly SsdpHandler _ssdpHandler;
private readonly CancellationTokenSource _tokenSource;
private readonly IHttpClient _httpClient;
private readonly INetworkManager _networkManager;
private readonly IServerApplicationHost _appHost;
public event EventHandler<SsdpMessageEventArgs> DeviceDiscovered;
public event EventHandler<SsdpMessageEventArgs> DeviceLeft;
public DeviceDiscovery(ILogger logger, IServerConfigurationManager config, IHttpClient httpClient, SsdpHandler ssdpHandler, INetworkManager networkManager)
public DeviceDiscovery(ILogger logger, IServerConfigurationManager config, SsdpHandler ssdpHandler, IServerApplicationHost appHost)
{
_tokenSource = new CancellationTokenSource();
_logger = logger;
_config = config;
_httpClient = httpClient;
_ssdpHandler = ssdpHandler;
_networkManager = networkManager;
_appHost = appHost;
}
public void Start()
@ -48,21 +47,21 @@ namespace MediaBrowser.Dlna.Ssdp
if (!network.SupportsMulticast || OperationalStatus.Up != network.OperationalStatus || !network.GetIPProperties().MulticastAddresses.Any())
continue;
var ipV4 = network.GetIPProperties().GetIPv4Properties();
if (null == ipV4)
continue;
var localIp = network.GetIPProperties().UnicastAddresses
var localIps = network.GetIPProperties().UnicastAddresses
.Where(i => i.Address.AddressFamily == AddressFamily.InterNetwork)
.Select(i => i.Address)
.FirstOrDefault();
.ToList();
if (localIp != null)
foreach (var localIp in localIps)
{
try
{
CreateListener(localIp, ipV4.Index);
CreateListener(localIp);
}
catch (Exception e)
{
@ -71,7 +70,7 @@ namespace MediaBrowser.Dlna.Ssdp
}
}
}
void _ssdpHandler_MessageReceived(object sender, SsdpMessageEventArgs e)
{
string nts;
@ -87,9 +86,9 @@ namespace MediaBrowser.Dlna.Ssdp
try
{
var ip = _networkManager.GetLocalIpAddresses().FirstOrDefault();
var ip = _appHost.HttpServerIpAddresses.FirstOrDefault();
if (ip != null)
if (!string.IsNullOrWhiteSpace(ip))
{
e.LocalIp = IPAddress.Parse(ip);
TryCreateDevice(e);
@ -116,19 +115,17 @@ namespace MediaBrowser.Dlna.Ssdp
return new List<NetworkInterface>();
}
}
private void CreateListener(IPAddress localIp, int networkInterfaceIndex)
private void CreateListener(IPAddress localIp)
{
Task.Factory.StartNew(async (o) =>
{
try
{
var socket = GetMulticastSocket(networkInterfaceIndex);
var endPoint = new IPEndPoint(localIp, 1900);
socket.Bind(endPoint);
var socket = GetMulticastSocket(localIp, endPoint);
_logger.Info("Creating SSDP listener on {0}, network interface index {1}", localIp, networkInterfaceIndex);
_logger.Info("Creating SSDP listener on {0}", localIp);
var receiveBuffer = new byte[64000];
@ -188,12 +185,15 @@ namespace MediaBrowser.Dlna.Ssdp
}
private Socket GetMulticastSocket(int networkInterfaceIndex)
private Socket GetMulticastSocket(IPAddress localIpAddress, EndPoint localEndpoint)
{
var socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, new MulticastOption(IPAddress.Parse("239.255.255.250"), networkInterfaceIndex));
socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, new MulticastOption(IPAddress.Parse("239.255.255.250"), localIpAddress));
socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastTimeToLive, 4);
socket.Bind(localEndpoint);
return socket;
}

28
MediaBrowser.Server.Implementations/HttpServer/HttpListenerHost.cs
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@ -14,7 +14,6 @@ using ServiceStack.Host.HttpListener;
using ServiceStack.Logging;
using ServiceStack.Web;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.IO;
using System.Linq;
@ -40,15 +39,26 @@ namespace MediaBrowser.Server.Implementations.HttpServer
public event EventHandler<WebSocketConnectEventArgs> WebSocketConnected;
private readonly ConcurrentDictionary<string, string> _localEndPoints = new ConcurrentDictionary<string, string>(StringComparer.OrdinalIgnoreCase);
private readonly List<string> _localEndpoints = new List<string>();
private readonly ReaderWriterLockSlim _localEndpointLock = new ReaderWriterLockSlim();
/// <summary>
/// Gets the local end points.
/// </summary>
/// <value>The local end points.</value>
public IEnumerable<string> LocalEndPoints
{
get { return _listener == null ? new List<string>() : _localEndPoints.Keys.ToList(); }
get
{
_localEndpointLock.EnterReadLock();
var list = _localEndpoints.ToList();
_localEndpointLock.ExitReadLock();
return list;
}
}
public HttpListenerHost(IApplicationHost applicationHost, ILogManager logManager, string serviceName, string handlerPath, string defaultRedirectPath, params Assembly[] assembliesWithServices)
@ -156,7 +166,15 @@ namespace MediaBrowser.Server.Implementations.HttpServer
private void OnRequestReceived(string localEndPoint)
{
_localEndPoints.GetOrAdd(localEndPoint, localEndPoint);
if (_localEndpointLock.TryEnterWriteLock(100))
{
var list = _localEndpoints.ToList();
list.Remove(localEndPoint);
list.Insert(0, localEndPoint);
_localEndpointLock.ExitWriteLock();
}
}
/// <summary>

42
MediaBrowser.ServerApplication/ApplicationHost.cs
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@ -950,17 +950,8 @@ namespace MediaBrowser.ServerApplication
/// <returns>System.String.</returns>
private string GetLocalIpAddress()
{
var localAddresses = NetworkManager.GetLocalIpAddresses().ToList();
// Cross-check the local ip addresses with addresses that have been received on with the http server
var matchedAddress = HttpServer.LocalEndPoints
.ToList()
.Select(i => i.Split(':').FirstOrDefault())
.Where(i => !string.IsNullOrEmpty(i))
.FirstOrDefault(i => localAddresses.Contains(i, StringComparer.OrdinalIgnoreCase));
// Return the first matched address, if found, or the first known local address
var address = matchedAddress ?? localAddresses.FirstOrDefault();
var address = HttpServerIpAddresses.FirstOrDefault();
if (!string.IsNullOrWhiteSpace(address))
{
@ -972,6 +963,37 @@ namespace MediaBrowser.ServerApplication
return address;
}
public IEnumerable<string> HttpServerIpAddresses
{
get
{
var localAddresses = NetworkManager.GetLocalIpAddresses()
.ToList();
if (localAddresses.Count < 2)
{
return localAddresses;
}
var httpServerAddresses = HttpServer.LocalEndPoints
.Select(i => i.Split(':').FirstOrDefault())
.Where(i => !string.IsNullOrEmpty(i))
.ToList();
// Cross-check the local ip addresses with addresses that have been received on with the http server
var matchedAddresses = httpServerAddresses
.Where(i => localAddresses.Contains(i, StringComparer.OrdinalIgnoreCase))
.ToList();
if (matchedAddresses.Count == 0)
{
return localAddresses.Take(1);
}
return matchedAddresses;
}
}
public string FriendlyName
{
get

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