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fix network methods not shutting down

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pull/1154/head
Luke Pulverenti 7 years ago
parent bcaf9bd19c
commit 5759ba8656
1 changed files with 107 additions and 82 deletions
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189
Mono.Nat/NatUtility.cs
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@ -41,26 +41,25 @@ using MediaBrowser.Model.Logging;
namespace Mono.Nat
{
public static class NatUtility
{
private static ManualResetEvent searching;
public static event EventHandler<DeviceEventArgs> DeviceFound;
public static event EventHandler<DeviceEventArgs> DeviceLost;
private static List<ISearcher> controllers;
private static bool verbose;
public static class NatUtility
{
public static event EventHandler<DeviceEventArgs> DeviceFound;
public static event EventHandler<DeviceEventArgs> DeviceLost;
private static List<ISearcher> controllers;
private static bool verbose;
public static List<NatProtocol> EnabledProtocols { get; set; }
public static ILogger Logger { get; set; }
public static ILogger Logger { get; set; }
public static IHttpClient HttpClient { get; set; }
public static bool Verbose
{
get { return verbose; }
set { verbose = value; }
}
{
get { return verbose; }
set { verbose = value; }
}
static NatUtility()
{
EnabledProtocols = new List<NatProtocol>
@ -68,8 +67,6 @@ namespace Mono.Nat
NatProtocol.Pmp
};
searching = new ManualResetEvent(false);
controllers = new List<ISearcher>();
controllers.Add(PmpSearcher.Instance);
@ -86,23 +83,19 @@ namespace Mono.Nat
DeviceLost(sender, args);
};
});
Task.Factory.StartNew(SearchAndListen, TaskCreationOptions.LongRunning);
}
internal static void Log(string format, params object[] args)
{
var logger = Logger;
if (logger != null)
logger.Debug(format, args);
}
internal static void Log(string format, params object[] args)
{
var logger = Logger;
if (logger != null)
logger.Debug(format, args);
}
private static async Task SearchAndListen()
private static async Task SearchAndListen(CancellationToken cancellationToken)
{
while (true)
while (!cancellationToken.IsCancellationRequested)
{
searching.WaitOne();
try
{
var enabledProtocols = EnabledProtocols.ToList();
@ -123,67 +116,99 @@ namespace Mono.Nat
}
catch (Exception e)
{
}
await Task.Delay(100).ConfigureAwait(false);
}
}
static async Task Receive (ISearcher searcher, List<UdpClient> clients)
{
foreach (UdpClient client in clients)
{
if (client.Available > 0)
{
IPAddress localAddress = ((IPEndPoint)client.Client.LocalEndPoint).Address;
var result = await client.ReceiveAsync().ConfigureAwait(false);
var data = result.Buffer;
var received = result.RemoteEndPoint;
searcher.Handle(localAddress, data, received);
}
}
static async Task Receive(ISearcher searcher, List<UdpClient> clients)
{
foreach (UdpClient client in clients)
{
if (client.Available > 0)
{
IPAddress localAddress = ((IPEndPoint)client.Client.LocalEndPoint).Address;
var result = await client.ReceiveAsync().ConfigureAwait(false);
var data = result.Buffer;
var received = result.RemoteEndPoint;
searcher.Handle(localAddress, data, received);
}
}
}
private static CancellationTokenSource _currentCancellationTokenSource;
private static object _runSyncLock = new object();
public static void StartDiscovery()
{
lock (_runSyncLock)
{
if (_currentCancellationTokenSource == null)
{
return;
}
var tokenSource = new CancellationTokenSource();
_currentCancellationTokenSource = tokenSource;
//Task.Factory.StartNew(() => SearchAndListen(tokenSource.Token), tokenSource.Token, TaskCreationOptions.LongRunning, TaskScheduler.Default);
}
}
public static void StartDiscovery ()
{
searching.Set();
}
public static void StopDiscovery ()
{
searching.Reset();
}
//checks if an IP address is a private address space as defined by RFC 1918
public static bool IsPrivateAddressSpace (IPAddress address)
{
byte[] ba = address.GetAddressBytes ();
switch ((int)ba[0]) {
case 10:
return true; //10.x.x.x
case 172:
return ((int)ba[1] & 16) != 0; //172.16-31.x.x
case 192:
return (int)ba[1] == 168; //192.168.x.x
default:
return false;
}
}
public static void Handle(IPAddress localAddress, byte[] response, IPEndPoint endpoint, NatProtocol protocol)
{
switch (protocol)
{
public static void StopDiscovery()
{
lock (_runSyncLock)
{
var tokenSource = _currentCancellationTokenSource;
if (tokenSource != null)
{
try
{
tokenSource.Cancel();
tokenSource.Dispose();
}
catch
{
}
_currentCancellationTokenSource = null;
}
}
}
//checks if an IP address is a private address space as defined by RFC 1918
public static bool IsPrivateAddressSpace(IPAddress address)
{
byte[] ba = address.GetAddressBytes();
switch ((int)ba[0])
{
case 10:
return true; //10.x.x.x
case 172:
return ((int)ba[1] & 16) != 0; //172.16-31.x.x
case 192:
return (int)ba[1] == 168; //192.168.x.x
default:
return false;
}
}
public static void Handle(IPAddress localAddress, byte[] response, IPEndPoint endpoint, NatProtocol protocol)
{
switch (protocol)
{
case NatProtocol.Upnp:
//UpnpSearcher.Instance.Handle(localAddress, response, endpoint);
break;
//UpnpSearcher.Instance.Handle(localAddress, response, endpoint);
break;
case NatProtocol.Pmp:
PmpSearcher.Instance.Handle(localAddress, response, endpoint);
break;
default:
throw new ArgumentException("Unexpected protocol: " + protocol);
}
PmpSearcher.Instance.Handle(localAddress, response, endpoint);
break;
default:
throw new ArgumentException("Unexpected protocol: " + protocol);
}
}
public static void Handle(IPAddress localAddress, UpnpDeviceInfo deviceInfo, IPEndPoint endpoint, NatProtocol protocol)

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