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update network cache

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Conflicts:
	MediaBrowser.Common.Implementations/Networking/BaseNetworkManager.cs
This commit is contained in:
Luke Pulverenti 2016-01-28 22:45:29 -05:00
parent 74d85e8b19
commit 83d96f9bda
1 changed files with 9 additions and 15 deletions
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24
MediaBrowser.Common.Implementations/Networking/BaseNetworkManager.cs
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@ -6,7 +6,6 @@ using System.Linq;
using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.Threading;
using MoreLinq;
namespace MediaBrowser.Common.Implementations.Networking
@ -14,22 +13,11 @@ namespace MediaBrowser.Common.Implementations.Networking
public abstract class BaseNetworkManager
{
protected ILogger Logger { get; private set; }
private Timer _clearCacheTimer;
private DateTime _lastRefresh;
protected BaseNetworkManager(ILogger logger)
{
Logger = logger;
// Can't use network change events due to a crash in Linux
_clearCacheTimer = new Timer(ClearCacheTimerCallback, null, TimeSpan.FromMinutes(1), TimeSpan.FromMinutes(1));
}
private void ClearCacheTimerCallback(object state)
{
lock (_localIpAddressSyncLock)
{
_localIpAddresses = null;
}
}
private volatile List<IPAddress> _localIpAddresses;
@ -41,15 +29,21 @@ namespace MediaBrowser.Common.Implementations.Networking
/// <returns>IPAddress.</returns>
public IEnumerable<IPAddress> GetLocalIpAddresses()
{
if (_localIpAddresses == null)
const int cacheMinutes = 3;
var forceRefresh = (DateTime.UtcNow - _lastRefresh).TotalMinutes >= cacheMinutes;
if (_localIpAddresses == null || forceRefresh)
{
lock (_localIpAddressSyncLock)
{
if (_localIpAddresses == null)
forceRefresh = (DateTime.UtcNow - _lastRefresh).TotalMinutes >= cacheMinutes;
if (_localIpAddresses == null || forceRefresh)
{
var addresses = GetLocalIpAddressesInternal().ToList();
_localIpAddresses = addresses;
_lastRefresh = DateTime.UtcNow;
return addresses;
}