jellyfin/MediaBrowser.Api/SystemService.cs

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using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.IO;
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using MediaBrowser.Controller;
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using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.IO;
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using MediaBrowser.Model.Configuration;
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using MediaBrowser.Model.Serialization;
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using MediaBrowser.Model.System;
using ServiceStack.ServiceHost;
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using System;
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using System.IO;
using System.Threading.Tasks;
namespace MediaBrowser.Api
{
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/// <summary>
/// Class GetSystemInfo
/// </summary>
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[Route("/System/Info", "GET")]
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[Api(Description = "Gets information about the server")]
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public class GetSystemInfo : IReturn<SystemInfo>
{
}
/// <summary>
/// Class RestartApplication
/// </summary>
[Route("/System/Restart", "POST")]
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[Api(("Restarts the application, if needed"))]
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public class RestartApplication
{
}
[Route("/System/Shutdown", "POST")]
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[Api(("Shuts down the application"))]
public class ShutdownApplication
{
}
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/// <summary>
/// Class GetConfiguration
/// </summary>
[Route("/System/Configuration", "GET")]
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[Api(("Gets application configuration"))]
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public class GetConfiguration : IReturn<ServerConfiguration>
{
}
/// <summary>
/// Class UpdateConfiguration
/// </summary>
[Route("/System/Configuration", "POST")]
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[Api(("Updates application configuration"))]
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public class UpdateConfiguration : ServerConfiguration, IReturnVoid
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{
}
/// <summary>
/// Class SystemInfoService
/// </summary>
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public class SystemService : BaseApiService
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{
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/// <summary>
/// The _json serializer
/// </summary>
private readonly IJsonSerializer _jsonSerializer;
/// <summary>
/// The _app host
/// </summary>
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private readonly IServerApplicationHost _appHost;
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/// <summary>
/// The _configuration manager
/// </summary>
private readonly IServerConfigurationManager _configurationManager;
private readonly IFileSystem _fileSystem;
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/// <summary>
/// Initializes a new instance of the <see cref="SystemService" /> class.
/// </summary>
/// <param name="jsonSerializer">The json serializer.</param>
/// <param name="appHost">The app host.</param>
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/// <param name="configurationManager">The configuration manager.</param>
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/// <exception cref="System.ArgumentNullException">jsonSerializer</exception>
public SystemService(IJsonSerializer jsonSerializer, IServerApplicationHost appHost, IServerConfigurationManager configurationManager, IFileSystem fileSystem)
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: base()
{
if (jsonSerializer == null)
{
throw new ArgumentNullException("jsonSerializer");
}
if (appHost == null)
{
throw new ArgumentNullException("appHost");
}
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_appHost = appHost;
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_configurationManager = configurationManager;
_fileSystem = fileSystem;
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_jsonSerializer = jsonSerializer;
}
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/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetSystemInfo request)
{
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var result = _appHost.GetSystemInfo();
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return ToOptimizedResult(result);
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetConfiguration request)
{
var dateModified = _fileSystem.GetLastWriteTimeUtc(_configurationManager.ApplicationPaths.SystemConfigurationFilePath);
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var cacheKey = (_configurationManager.ApplicationPaths.SystemConfigurationFilePath + dateModified.Ticks).GetMD5();
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return ToOptimizedResultUsingCache(cacheKey, dateModified, null, () => _configurationManager.Configuration);
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}
/// <summary>
/// Posts the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Post(RestartApplication request)
{
Task.Run(async () =>
{
await Task.Delay(100).ConfigureAwait(false);
await _appHost.Restart().ConfigureAwait(false);
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});
}
/// <summary>
/// Posts the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Post(ShutdownApplication request)
{
Task.Run(async () =>
{
await Task.Delay(100).ConfigureAwait(false);
await _appHost.Shutdown().ConfigureAwait(false);
});
}
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/// <summary>
/// Posts the specified configuraiton.
/// </summary>
/// <param name="request">The request.</param>
public void Post(UpdateConfiguration request)
{
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// Silly, but we need to serialize and deserialize or the XmlSerializer will write the xml with an element name of UpdateConfiguration
var json = _jsonSerializer.SerializeToString(request);
var config = _jsonSerializer.DeserializeFromString<ServerConfiguration>(json);
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_configurationManager.ReplaceConfiguration(config);
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}
}
}