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removed superfluous GetMemoryStream

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This commit is contained in:
Luke Pulverenti 2013-04-20 18:19:55 -04:00
parent 14a806b900
commit 58c77529d2
7 changed files with 255 additions and 83 deletions
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2
MediaBrowser.Common.Implementations/BaseApplicationHost.cs
View file

@ -273,7 +273,7 @@ namespace MediaBrowser.Common.Implementations
RegisterSingleInstance(TaskManager);
HttpClient = new HttpClientManager.HttpClientManager(ApplicationPaths, Logger);
HttpClient = new HttpClientManager.HttpClientManager(ApplicationPaths, Logger, JsonSerializer);
RegisterSingleInstance(HttpClient);
NetworkManager = new NetworkManager();

245
MediaBrowser.Common.Implementations/HttpClientManager/HttpClientManager.cs
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@ -1,14 +1,17 @@
using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.IO;
using MediaBrowser.Common.Net;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Net;
using MediaBrowser.Model.Serialization;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Cache;
using System.Net.Http;
using System.Text;
@ -31,13 +34,22 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
/// The _app paths
/// </summary>
private readonly IApplicationPaths _appPaths;
private readonly IJsonSerializer _jsonSerializer;
//private readonly FileSystemRepository _cacheRepository;
/// <summary>
/// Initializes a new instance of the <see cref="HttpClientManager" /> class.
/// </summary>
/// <param name="appPaths">The kernel.</param>
/// <param name="logger">The logger.</param>
public HttpClientManager(IApplicationPaths appPaths, ILogger logger)
/// <param name="jsonSerializer">The json serializer.</param>
/// <exception cref="System.ArgumentNullException">
/// appPaths
/// or
/// logger
/// </exception>
public HttpClientManager(IApplicationPaths appPaths, ILogger logger, IJsonSerializer jsonSerializer)
{
if (appPaths == null)
{
@ -47,9 +59,12 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
{
throw new ArgumentNullException("logger");
}
_logger = logger;
_jsonSerializer = jsonSerializer;
_appPaths = appPaths;
//_cacheRepository = new FileSystemRepository(Path.Combine(_appPaths.CachePath, "http"));
}
/// <summary>
@ -77,8 +92,7 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
{
var handler = new WebRequestHandler
{
//AutomaticDecompression = DecompressionMethods.Deflate,
CachePolicy = new RequestCachePolicy(RequestCacheLevel.Revalidate)
CachePolicy = new RequestCachePolicy(RequestCacheLevel.BypassCache)
};
client = new HttpClient(handler);
@ -102,10 +116,42 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
{
ValidateParams(url, cancellationToken);
//var urlHash = url.GetMD5().ToString();
//var infoPath = _cacheRepository.GetResourcePath(urlHash + ".js");
//var responsePath = _cacheRepository.GetResourcePath(urlHash + ".dat");
//HttpResponseInfo cachedInfo = null;
//try
//{
// cachedInfo = _jsonSerializer.DeserializeFromFile<HttpResponseInfo>(infoPath);
//}
//catch (FileNotFoundException)
//{
//}
//if (cachedInfo != null && !cachedInfo.MustRevalidate && cachedInfo.Expires.HasValue && cachedInfo.Expires.Value > DateTime.UtcNow)
//{
// return GetCachedResponse(responsePath);
//}
cancellationToken.ThrowIfCancellationRequested();
var message = new HttpRequestMessage(HttpMethod.Get, url);
//if (cachedInfo != null)
//{
// if (!string.IsNullOrEmpty(cachedInfo.Etag))
// {
// message.Headers.Add("If-None-Match", cachedInfo.Etag);
// }
// else if (cachedInfo.LastModified.HasValue)
// {
// message.Headers.IfModifiedSince = new DateTimeOffset(cachedInfo.LastModified.Value);
// }
//}
if (resourcePool != null)
{
await resourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
@ -123,6 +169,20 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
cancellationToken.ThrowIfCancellationRequested();
//cachedInfo = UpdateInfoCache(cachedInfo, url, infoPath, response);
//if (response.StatusCode == HttpStatusCode.NotModified)
//{
// return GetCachedResponse(responsePath);
//}
//if (!string.IsNullOrEmpty(cachedInfo.Etag) || cachedInfo.LastModified.HasValue || (cachedInfo.Expires.HasValue && cachedInfo.Expires.Value > DateTime.UtcNow))
//{
// await UpdateResponseCache(response, responsePath).ConfigureAwait(false);
// return GetCachedResponse(responsePath);
//}
return await response.Content.ReadAsStreamAsync().ConfigureAwait(false);
}
}
@ -150,7 +210,108 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
}
}
}
/// <summary>
/// Gets the cached response.
/// </summary>
/// <param name="responsePath">The response path.</param>
/// <returns>Stream.</returns>
private Stream GetCachedResponse(string responsePath)
{
return File.OpenRead(responsePath);
}
/// <summary>
/// Updates the cache.
/// </summary>
/// <param name="cachedInfo">The cached info.</param>
/// <param name="url">The URL.</param>
/// <param name="path">The path.</param>
/// <param name="response">The response.</param>
private HttpResponseInfo UpdateInfoCache(HttpResponseInfo cachedInfo, string url, string path, HttpResponseMessage response)
{
var fileExists = true;
if (cachedInfo == null)
{
cachedInfo = new HttpResponseInfo();
fileExists = false;
}
cachedInfo.Url = url;
var etag = response.Headers.ETag;
if (etag != null)
{
cachedInfo.Etag = etag.Tag;
}
var modified = response.Content.Headers.LastModified;
if (modified.HasValue)
{
cachedInfo.LastModified = modified.Value.UtcDateTime;
}
else if (response.Headers.Age.HasValue)
{
cachedInfo.LastModified = DateTime.UtcNow.Subtract(response.Headers.Age.Value);
}
var expires = response.Content.Headers.Expires;
if (expires.HasValue)
{
cachedInfo.Expires = expires.Value.UtcDateTime;
}
else
{
var cacheControl = response.Headers.CacheControl;
if (cacheControl != null)
{
if (cacheControl.MaxAge.HasValue)
{
var baseline = cachedInfo.LastModified ?? DateTime.UtcNow;
cachedInfo.Expires = baseline.Add(cacheControl.MaxAge.Value);
}
cachedInfo.MustRevalidate = cacheControl.MustRevalidate;
}
}
if (string.IsNullOrEmpty(cachedInfo.Etag) && !cachedInfo.Expires.HasValue && !cachedInfo.LastModified.HasValue)
{
// Nothing to cache
if (fileExists)
{
File.Delete(path);
}
}
else
{
_jsonSerializer.SerializeToFile(cachedInfo, path);
}
return cachedInfo;
}
/// <summary>
/// Updates the response cache.
/// </summary>
/// <param name="response">The response.</param>
/// <param name="path">The path.</param>
/// <returns>Task.</returns>
private async Task UpdateResponseCache(HttpResponseMessage response, string path)
{
using (var stream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false))
{
using (var fs = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read, StreamDefaults.DefaultFileStreamBufferSize, FileOptions.Asynchronous))
{
await stream.CopyToAsync(fs).ConfigureAwait(false);
}
}
}
/// <summary>
/// Performs a POST request
/// </summary>
@ -259,10 +420,9 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
options.CancellationToken.ThrowIfCancellationRequested();
IEnumerable<string> lengthValues;
var contentLength = GetContentLength(response);
if (!response.Headers.TryGetValues("content-length", out lengthValues) &&
!response.Content.Headers.TryGetValues("content-length", out lengthValues))
if (!contentLength.HasValue)
{
// We're not able to track progress
using (var stream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false))
@ -275,9 +435,7 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
}
else
{
var length = long.Parse(string.Join(string.Empty, lengthValues.ToArray()), UsCulture);
using (var stream = ProgressStream.CreateReadProgressStream(await response.Content.ReadAsStreamAsync().ConfigureAwait(false), options.Progress.Report, length))
using (var stream = ProgressStream.CreateReadProgressStream(await response.Content.ReadAsStreamAsync().ConfigureAwait(false), options.Progress.Report, contentLength.Value))
{
using (var fs = new FileStream(tempFile, FileMode.Create, FileAccess.Write, FileShare.Read, StreamDefaults.DefaultFileStreamBufferSize, FileOptions.Asynchronous))
{
@ -306,6 +464,23 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
return tempFile;
}
/// <summary>
/// Gets the length of the content.
/// </summary>
/// <param name="response">The response.</param>
/// <returns>System.Nullable{System.Int64}.</returns>
private long? GetContentLength(HttpResponseMessage response)
{
IEnumerable<string> lengthValues;
if (!response.Headers.TryGetValues("content-length", out lengthValues) && !response.Content.Headers.TryGetValues("content-length", out lengthValues))
{
return null;
}
return long.Parse(string.Join(string.Empty, lengthValues.ToArray()), UsCulture);
}
protected static readonly CultureInfo UsCulture = new CultureInfo("en-US");
/// <summary>
@ -348,41 +523,6 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
throw ex;
}
/// <summary>
/// Downloads the contents of a given url into a MemoryStream
/// </summary>
/// <param name="url">The URL.</param>
/// <param name="resourcePool">The resource pool.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{MemoryStream}.</returns>
/// <exception cref="MediaBrowser.Model.Net.HttpException"></exception>
public async Task<MemoryStream> GetMemoryStream(string url, SemaphoreSlim resourcePool, CancellationToken cancellationToken)
{
ValidateParams(url, cancellationToken);
cancellationToken.ThrowIfCancellationRequested();
_logger.Info("HttpClientManager.GetMemoryStream url: {0}", url);
var ms = new MemoryStream();
try
{
using (var stream = await Get(url, resourcePool, cancellationToken).ConfigureAwait(false))
{
await stream.CopyToAsync(ms, StreamDefaults.DefaultCopyToBufferSize, cancellationToken).ConfigureAwait(false);
}
return ms;
}
catch
{
ms.Dispose();
throw;
}
}
/// <summary>
/// Validates the params.
@ -499,16 +639,5 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
{
return Post(url, postData, null, cancellationToken);
}
/// <summary>
/// Gets the memory stream.
/// </summary>
/// <param name="url">The URL.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{MemoryStream}.</returns>
public Task<MemoryStream> GetMemoryStream(string url, CancellationToken cancellationToken)
{
return GetMemoryStream(url, null, cancellationToken);
}
}
}

40
MediaBrowser.Common.Implementations/HttpClientManager/HttpResponseInfo.cs Normal file
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@ -0,0 +1,40 @@
using System;
namespace MediaBrowser.Common.Implementations.HttpClientManager
{
/// <summary>
/// Class HttpResponseOutput
/// </summary>
public class HttpResponseInfo
{
/// <summary>
/// Gets or sets the URL.
/// </summary>
/// <value>The URL.</value>
public string Url { get; set; }
/// <summary>
/// Gets or sets the etag.
/// </summary>
/// <value>The etag.</value>
public string Etag { get; set; }
/// <summary>
/// Gets or sets the last modified.
/// </summary>
/// <value>The last modified.</value>
public DateTime? LastModified { get; set; }
/// <summary>
/// Gets or sets the expires.
/// </summary>
/// <value>The expires.</value>
public DateTime? Expires { get; set; }
/// <summary>
/// Gets or sets a value indicating whether [must revalidate].
/// </summary>
/// <value><c>true</c> if [must revalidate]; otherwise, <c>false</c>.</value>
public bool MustRevalidate { get; set; }
}
}

1
MediaBrowser.Common.Implementations/MediaBrowser.Common.Implementations.csproj
View file

@ -65,6 +65,7 @@
<Compile Include="BaseApplicationPaths.cs" />
<Compile Include="Configuration\BaseConfigurationManager.cs" />
<Compile Include="HttpClientManager\HttpClientManager.cs" />
<Compile Include="HttpClientManager\HttpResponseInfo.cs" />
<Compile Include="Logging\LogHelper.cs" />
<Compile Include="Logging\NLogger.cs" />
<Compile Include="Logging\NlogManager.cs" />

18
MediaBrowser.Common/Net/IHttpClient.cs
View file

@ -58,23 +58,5 @@ namespace MediaBrowser.Common.Net
/// <exception cref="System.ArgumentNullException">progress</exception>
/// <exception cref="MediaBrowser.Model.Net.HttpException"></exception>
Task<string> GetTempFile(HttpRequestOptions options);
/// <summary>
/// Downloads the contents of a given url into a MemoryStream
/// </summary>
/// <param name="url">The URL.</param>
/// <param name="resourcePool">The resource pool.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{MemoryStream}.</returns>
/// <exception cref="MediaBrowser.Model.Net.HttpException"></exception>
Task<MemoryStream> GetMemoryStream(string url, SemaphoreSlim resourcePool, CancellationToken cancellationToken);
/// <summary>
/// Gets the memory stream.
/// </summary>
/// <param name="url">The URL.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{MemoryStream}.</returns>
Task<MemoryStream> GetMemoryStream(string url, CancellationToken cancellationToken);
}
}

2
MediaBrowser.Controller/Providers/Movies/TmdbPersonProvider.cs
View file

@ -335,7 +335,7 @@ namespace MediaBrowser.Controller.Providers.Movies
var localPath = Path.Combine(item.MetaLocation, targetName);
if (!item.ResolveArgs.ContainsMetaFileByName(targetName))
{
using (var sourceStream = await HttpClient.GetMemoryStream(source, MovieDbProvider.Current.MovieDbResourcePool, cancellationToken).ConfigureAwait(false))
using (var sourceStream = await HttpClient.Get(source, MovieDbProvider.Current.MovieDbResourcePool, cancellationToken).ConfigureAwait(false))
{
await ProviderManager.SaveToLibraryFilesystem(item, localPath, sourceStream, cancellationToken).ConfigureAwait(false);

30
MediaBrowser.Server.Implementations/Providers/ProviderManager.cs
View file

@ -202,7 +202,7 @@ namespace MediaBrowser.Server.Implementations.Providers
{
item.ProviderData[_supportedProvidersKey] = supportedProvidersInfo;
}
return result || providersChanged;
}
@ -282,7 +282,7 @@ namespace MediaBrowser.Server.Implementations.Providers
}
catch (ObjectDisposedException)
{
}
}
@ -358,7 +358,7 @@ namespace MediaBrowser.Server.Implementations.Providers
Path.Combine(item.MetaLocation, targetName) :
_remoteImageCache.GetResourcePath(item.GetType().FullName + item.Path.ToLower(), targetName);
var img = await _httpClient.GetMemoryStream(source, resourcePool, cancellationToken).ConfigureAwait(false);
var img = await _httpClient.Get(source, resourcePool, cancellationToken).ConfigureAwait(false);
if (ConfigurationManager.Configuration.SaveLocalMeta) // queue to media directories
{
@ -422,12 +422,32 @@ namespace MediaBrowser.Server.Implementations.Providers
throw new ArgumentNullException();
}
cancellationToken.ThrowIfCancellationRequested();
if (cancellationToken.IsCancellationRequested)
{
dataToSave.Dispose();
cancellationToken.ThrowIfCancellationRequested();
}
//Tell the watchers to ignore
_directoryWatchers.TemporarilyIgnore(path);
dataToSave.Position = 0;
if (dataToSave.CanSeek)
{
dataToSave.Position = 0;
}
if (!(dataToSave is MemoryStream || dataToSave is FileStream))
{
var ms = new MemoryStream();
using (var input = dataToSave)
{
await input.CopyToAsync(ms).ConfigureAwait(false);
}
ms.Position = 0;
dataToSave = ms;
}
try
{