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update locking

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This commit is contained in:
Luke Pulverenti 2016-02-24 00:36:58 -05:00
parent 94fa4dce4d
commit f5df8253ae
3 changed files with 23 additions and 39 deletions
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24
MediaBrowser.Common.Implementations/Networking/BaseNetworkManager.cs
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@ -20,7 +20,7 @@ namespace MediaBrowser.Common.Implementations.Networking
Logger = logger;
}
private volatile List<IPAddress> _localIpAddresses;
private List<IPAddress> _localIpAddresses;
private readonly object _localIpAddressSyncLock = new object();
/// <summary>
@ -29,24 +29,20 @@ namespace MediaBrowser.Common.Implementations.Networking
/// <returns>IPAddress.</returns>
public IEnumerable<IPAddress> GetLocalIpAddresses()
{
const int cacheMinutes = 3;
var forceRefresh = (DateTime.UtcNow - _lastRefresh).TotalMinutes >= cacheMinutes;
const int cacheMinutes = 5;
if (_localIpAddresses == null || forceRefresh)
lock (_localIpAddressSyncLock)
{
lock (_localIpAddressSyncLock)
var forceRefresh = (DateTime.UtcNow - _lastRefresh).TotalMinutes >= cacheMinutes;
if (_localIpAddresses == null || forceRefresh)
{
forceRefresh = (DateTime.UtcNow - _lastRefresh).TotalMinutes >= cacheMinutes;
var addresses = GetLocalIpAddressesInternal().ToList();
if (_localIpAddresses == null || forceRefresh)
{
var addresses = GetLocalIpAddressesInternal().ToList();
_localIpAddresses = addresses;
_lastRefresh = DateTime.UtcNow;
_localIpAddresses = addresses;
_lastRefresh = DateTime.UtcNow;
return addresses;
}
return addresses;
}
}