blob: 1412be2a241cb2bd18e9d56b0c6389a7e545bd0e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
using MediaBrowser.Common.Kernel;
using MediaBrowser.Common.Logging;
using MediaBrowser.Common.Updates;
using MediaBrowser.Model.Tasks;
using System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.Deployment.Application;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Common.ScheduledTasks.Tasks
{
/// <summary>
/// Plugin Update Task
/// </summary>
[Export(typeof(IScheduledTask))]
public class SystemUpdateTask : BaseScheduledTask<IKernel>
{
/// <summary>
/// Creates the triggers that define when the task will run
/// </summary>
/// <returns>IEnumerable{BaseTaskTrigger}.</returns>
protected override IEnumerable<BaseTaskTrigger> GetDefaultTriggers()
{
return new BaseTaskTrigger[] {
// 1am
new DailyTrigger { TimeOfDay = TimeSpan.FromHours(1) },
new IntervalTrigger { Interval = TimeSpan.FromHours(2)}
};
}
/// <summary>
/// Returns the task to be executed
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="progress">The progress.</param>
/// <returns>Task.</returns>
protected override async Task ExecuteInternal(CancellationToken cancellationToken, IProgress<TaskProgress> progress)
{
if (!ApplicationDeployment.IsNetworkDeployed) return;
EventHandler<TaskProgress> innerProgressHandler = (sender, e) => progress.Report(new TaskProgress { PercentComplete = e.PercentComplete * .1 });
// Create a progress object for the update check
var innerProgress = new Progress<TaskProgress>();
innerProgress.ProgressChanged += innerProgressHandler;
var updateInfo = await new ApplicationUpdateCheck().CheckForApplicationUpdate(cancellationToken, innerProgress).ConfigureAwait(false);
// Release the event handler
innerProgress.ProgressChanged -= innerProgressHandler;
progress.Report(new TaskProgress { PercentComplete = 10 });
if (!updateInfo.UpdateAvailable)
{
progress.Report(new TaskProgress { PercentComplete = 100 });
return;
}
cancellationToken.ThrowIfCancellationRequested();
if (Kernel.Configuration.EnableAutoUpdate)
{
Logger.Info("Update Revision {0} available. Updating...", updateInfo.AvailableVersion);
innerProgressHandler = (sender, e) => progress.Report(new TaskProgress { PercentComplete = (e.PercentComplete * .9) + .1 });
innerProgress = new Progress<TaskProgress>();
innerProgress.ProgressChanged += innerProgressHandler;
await new ApplicationUpdater().UpdateApplication(cancellationToken, innerProgress).ConfigureAwait(false);
// Release the event handler
innerProgress.ProgressChanged -= innerProgressHandler;
Kernel.OnApplicationUpdated(updateInfo.AvailableVersion);
}
else
{
Logger.Info("A new version of Media Browser is available.");
}
progress.Report(new TaskProgress { PercentComplete = 100 });
}
/// <summary>
/// Gets the name of the task
/// </summary>
/// <value>The name.</value>
public override string Name
{
get { return "Check for application updates"; }
}
/// <summary>
/// Gets the description.
/// </summary>
/// <value>The description.</value>
public override string Description
{
get { return "Downloads and installs application updates."; }
}
}
}
|
