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improved update staggering

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This commit is contained in:
Luke Pulverenti
2013-08-30 10:05:44 -04:00
parent 6d31204bcc
commit b9ab69f051
2 changed files with 25 additions and 23 deletions
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25
MediaBrowser.Common.Implementations/Updates/InstallationManager.cs
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@@ -1,5 +1,4 @@
using System.Security.Cryptography;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Events;
using MediaBrowser.Common.Net;
using MediaBrowser.Common.Plugins;
@@ -14,6 +13,7 @@ using System.Collections.Concurrent;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Threading;
using System.Threading.Tasks;
@@ -104,6 +104,7 @@ namespace MediaBrowser.Common.Implementations.Updates
private readonly IJsonSerializer _jsonSerializer;
private readonly ISecurityManager _securityManager;
private readonly INetworkManager _networkManager;
private readonly IConfigurationManager _config;
/// <summary>
/// Gets the application host.
@@ -111,7 +112,7 @@ namespace MediaBrowser.Common.Implementations.Updates
/// <value>The application host.</value>
private readonly IApplicationHost _applicationHost;
public InstallationManager(ILogger logger, IApplicationHost appHost, IApplicationPaths appPaths, IHttpClient httpClient, IJsonSerializer jsonSerializer, ISecurityManager securityManager, INetworkManager networkManager)
public InstallationManager(ILogger logger, IApplicationHost appHost, IApplicationPaths appPaths, IHttpClient httpClient, IJsonSerializer jsonSerializer, ISecurityManager securityManager, INetworkManager networkManager, IConfigurationManager config)
{
if (logger == null)
{
@@ -127,6 +128,7 @@ namespace MediaBrowser.Common.Implementations.Updates
_jsonSerializer = jsonSerializer;
_securityManager = securityManager;
_networkManager = networkManager;
_config = config;
_logger = logger;
}
@@ -153,6 +155,8 @@ namespace MediaBrowser.Common.Implementations.Updates
}
}
private Tuple<List<PackageInfo>, DateTime> _lastPackageListResult;
/// <summary>
/// Gets all available packages.
/// </summary>
@@ -164,12 +168,27 @@ namespace MediaBrowser.Common.Implementations.Updates
PackageType? packageType = null,
Version applicationVersion = null)
{
if (_lastPackageListResult != null)
{
// Let dev users get results more often for testing purposes
var cacheLength = _config.CommonConfiguration.SystemUpdateLevel == PackageVersionClass.Dev
? TimeSpan.FromMinutes(10)
: TimeSpan.FromHours(12);
if ((DateTime.UtcNow - _lastPackageListResult.Item2) < cacheLength)
{
return _lastPackageListResult.Item1;
}
}
using (var json = await _httpClient.Get(Constants.Constants.MbAdminUrl + "service/MB3Packages.json", cancellationToken).ConfigureAwait(false))
{
cancellationToken.ThrowIfCancellationRequested();
var packages = _jsonSerializer.DeserializeFromStream<List<PackageInfo>>(json).ToList();
_lastPackageListResult = new Tuple<List<PackageInfo>, DateTime>(packages, DateTime.UtcNow);
return FilterPackages(packages, packageType, applicationVersion);
}
}