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Handle config updates

This commit is contained in:
Gary Wilber 2020-12-02 23:07:51 -08:00
parent f4edca7c27
commit 26a05e6974
1 changed files with 35 additions and 7 deletions
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42
MediaBrowser.Controller/BaseItemManager/BaseItemManager.cs
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@ -1,6 +1,7 @@
using System;
using System.Linq;
using System.Threading;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller.Channels;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
@ -13,6 +14,8 @@ namespace MediaBrowser.Controller.BaseItemManager
{
private readonly IServerConfigurationManager _serverConfigurationManager;
private int _metadataRefreshConcurrency = 0;
/// <summary>
/// Initializes a new instance of the <see cref="BaseItemManager"/> class.
/// </summary>
@ -21,16 +24,18 @@ namespace MediaBrowser.Controller.BaseItemManager
{
_serverConfigurationManager = serverConfigurationManager;
MetadataRefreshThrottler = new Lazy<SemaphoreSlim>(() => {
var concurrency = _serverConfigurationManager.Configuration.LibraryMetadataRefreshConcurrency;
_metadataRefreshConcurrency = GetMetadataRefreshConcurrency();
SetupMetadataThrottler();
if (concurrency <= 0)
_serverConfigurationManager.ConfigurationUpdated += (object sender, EventArgs e) =>
{
int newMetadataRefreshConcurrency = GetMetadataRefreshConcurrency();
if (_metadataRefreshConcurrency != newMetadataRefreshConcurrency)
{
concurrency = Environment.ProcessorCount;
_metadataRefreshConcurrency = newMetadataRefreshConcurrency;
SetupMetadataThrottler();
}
return new SemaphoreSlim(concurrency);
});
};
}
/// <inheritdoc />
@ -97,5 +102,28 @@ namespace MediaBrowser.Controller.BaseItemManager
return itemConfig == null || !itemConfig.DisabledImageFetchers.Contains(name, StringComparer.OrdinalIgnoreCase);
}
/// <summary>
/// Creates the metadata refresh throttler.
/// </summary>
private void SetupMetadataThrottler()
{
MetadataRefreshThrottler = new Lazy<SemaphoreSlim>(() => new SemaphoreSlim(_metadataRefreshConcurrency));
}
/// <summary>
/// Returns the metadata refresh concurrency.
/// </summary>
private int GetMetadataRefreshConcurrency()
{
var concurrency = _serverConfigurationManager.Configuration.LibraryMetadataRefreshConcurrency;
if (concurrency <= 0)
{
concurrency = Environment.ProcessorCount;
}
return concurrency;
}
}
}