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reduce use of timers throughout the system

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This commit is contained in:
Luke Pulverenti
2016-01-28 22:40:21 -05:00
parent 8ff5d4af47
commit 3510ef3d2b
8 changed files with 97 additions and 91 deletions
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15
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
@@ -14,14 +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)
@@ -41,15 +37,20 @@ namespace MediaBrowser.Common.Implementations.Networking
/// <returns>IPAddress.</returns>
public IEnumerable<IPAddress> GetLocalIpAddresses()
{
if (_localIpAddresses == null)
var forceRefresh = (DateTime.UtcNow - _lastRefresh).TotalMinutes >= 1;
if (_localIpAddresses == null || forceRefresh)
{
lock (_localIpAddressSyncLock)
{
if (_localIpAddresses == null)
forceRefresh = (DateTime.UtcNow - _lastRefresh).TotalMinutes >= 1;
if (_localIpAddresses == null || forceRefresh)
{
var addresses = GetLocalIpAddressesInternal().ToList();
_localIpAddresses = addresses;
_lastRefresh = DateTime.UtcNow;
return addresses;
}