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switch from httpclient to plain httpwebrequest

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This commit is contained in:
Luke Pulverenti 2013-11-30 01:07:25 -05:00
parent 9b9e5fc4e4
commit 0bdc8a49d5
7 changed files with 302 additions and 281 deletions
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5
MediaBrowser.Common.Implementations/BaseApplicationHost.cs
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@ -22,7 +22,6 @@ using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Reflection;
using System.Threading;
using System.Threading.Tasks;
@ -353,7 +352,7 @@ namespace MediaBrowser.Common.Implementations
FileSystemManager = CreateFileSystemManager();
RegisterSingleInstance(FileSystemManager);
HttpClient = new HttpClientManager.HttpClientManager(ApplicationPaths, Logger, CreateHttpClient, FileSystemManager);
HttpClient = new HttpClientManager.HttpClientManager(ApplicationPaths, Logger, FileSystemManager);
RegisterSingleInstance(HttpClient);
NetworkManager = CreateNetworkManager();
@ -378,8 +377,6 @@ namespace MediaBrowser.Common.Implementations
return new CommonFileSystem(Logger, true);
}
protected abstract HttpClient CreateHttpClient(bool enableHttpCompression);
/// <summary>
/// Gets a list of types within an assembly
/// This will handle situations that would normally throw an exception - such as a type within the assembly that depends on some other non-existant reference

6
MediaBrowser.Common.Implementations/HttpClientManager/HttpClientInfo.cs
View File

@ -1,5 +1,4 @@
using System;
using System.Net.Http;
namespace MediaBrowser.Common.Implementations.HttpClientManager
{
@ -8,11 +7,6 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
/// </summary>
public class HttpClientInfo
{
/// <summary>
/// Gets or sets the HTTP client.
/// </summary>
/// <value>The HTTP client.</value>
public HttpClient HttpClient { get; set; }
/// <summary>
/// Gets or sets the last timeout.
/// </summary>

521
MediaBrowser.Common.Implementations/HttpClientManager/HttpClientManager.cs
View File

@ -1,5 +1,4 @@
using System.Reflection;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.IO;
using MediaBrowser.Common.Net;
using MediaBrowser.Model.Logging;
@ -10,7 +9,10 @@ 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.Reflection;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
@ -32,9 +34,6 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
/// </summary>
private readonly IApplicationPaths _appPaths;
public delegate HttpClient GetHttpClientHandler(bool enableHttpCompression);
private readonly GetHttpClientHandler _getHttpClientHandler;
private readonly IFileSystem _fileSystem;
/// <summary>
@ -48,7 +47,7 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
/// or
/// logger
/// </exception>
public HttpClientManager(IApplicationPaths appPaths, ILogger logger, GetHttpClientHandler getHttpClientHandler, IFileSystem fileSystem)
public HttpClientManager(IApplicationPaths appPaths, ILogger logger, IFileSystem fileSystem)
{
if (appPaths == null)
{
@ -60,7 +59,6 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
}
_logger = logger;
_getHttpClientHandler = getHttpClientHandler;
_fileSystem = fileSystem;
_appPaths = appPaths;
}
@ -92,17 +90,58 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
if (!_httpClients.TryGetValue(key, out client))
{
client = new HttpClientInfo
{
client = new HttpClientInfo();
HttpClient = _getHttpClientHandler(enableHttpCompression)
};
_httpClients.TryAdd(key, client);
}
return client;
}
private PropertyInfo _httpBehaviorPropertyInfo;
private HttpWebRequest GetRequest(HttpRequestOptions options, string method, bool enableHttpCompression)
{
var request = HttpWebRequest.CreateHttp(options.Url);
if (!string.IsNullOrEmpty(options.AcceptHeader))
{
request.Accept = options.AcceptHeader;
}
request.AutomaticDecompression = enableHttpCompression ? DecompressionMethods.Deflate : DecompressionMethods.None;
request.CachePolicy = new RequestCachePolicy(RequestCacheLevel.Revalidate);
request.ConnectionGroupName = GetHostFromUrl(options.Url);
request.KeepAlive = true;
request.Method = method;
request.Pipelined = true;
request.Timeout = 20000;
if (!string.IsNullOrEmpty(options.UserAgent))
{
request.UserAgent = options.UserAgent;
}
var sp = request.ServicePoint;
if (_httpBehaviorPropertyInfo == null)
{
_httpBehaviorPropertyInfo = sp.GetType().GetProperty("HttpBehaviour", BindingFlags.Instance | BindingFlags.NonPublic);
}
_httpBehaviorPropertyInfo.SetValue(sp, (byte)0, null);
return request;
}
/// <summary>
/// Gets the response internal.
/// </summary>
/// <param name="options">The options.</param>
/// <param name="httpMethod">The HTTP method.</param>
/// <returns>Task{HttpResponseInfo}.</returns>
/// <exception cref="HttpException">
/// </exception>
public async Task<HttpResponseInfo> GetResponse(HttpRequestOptions options)
{
ValidateParams(options.Url, options.CancellationToken);
@ -116,75 +155,92 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
throw new HttpException(string.Format("Cancelling connection to {0} due to a previous timeout.", options.Url)) { IsTimedOut = true };
}
using (var message = GetHttpRequestMessage(options))
var httpWebRequest = GetRequest(options, "GET", options.EnableHttpCompression);
if (options.ResourcePool != null)
{
await options.ResourcePool.WaitAsync(options.CancellationToken).ConfigureAwait(false);
}
if ((DateTime.UtcNow - client.LastTimeout).TotalSeconds < 30)
{
if (options.ResourcePool != null)
{
await options.ResourcePool.WaitAsync(options.CancellationToken).ConfigureAwait(false);
options.ResourcePool.Release();
}
if ((DateTime.UtcNow - client.LastTimeout).TotalSeconds < 30)
throw new HttpException(string.Format("Connection to {0} timed out", options.Url)) { IsTimedOut = true };
}
_logger.Info("HttpClientManager.GET url: {0}", options.Url);
try
{
options.CancellationToken.ThrowIfCancellationRequested();
using (var response = await httpWebRequest.GetResponseAsync().ConfigureAwait(false))
{
if (options.ResourcePool != null)
{
options.ResourcePool.Release();
}
var httpResponse = (HttpWebResponse)response;
throw new HttpException(string.Format("Connection to {0} timed out", options.Url)) { IsTimedOut = true };
}
_logger.Info("HttpClientManager.Get url: {0}", options.Url);
try
{
options.CancellationToken.ThrowIfCancellationRequested();
var response = await client.HttpClient.SendAsync(message, HttpCompletionOption.ResponseContentRead, options.CancellationToken).ConfigureAwait(false);
EnsureSuccessStatusCode(response);
EnsureSuccessStatusCode(httpResponse);
options.CancellationToken.ThrowIfCancellationRequested();
return new HttpResponseInfo
using (var stream = httpResponse.GetResponseStream())
{
Content = await response.Content.ReadAsStreamAsync().ConfigureAwait(false),
var memoryStream = new MemoryStream();
StatusCode = response.StatusCode,
await stream.CopyToAsync(memoryStream).ConfigureAwait(false);
ContentType = response.Content.Headers.ContentType.MediaType
};
}
catch (OperationCanceledException ex)
{
var exception = GetCancellationException(options.Url, options.CancellationToken, ex);
memoryStream.Position = 0;
var httpException = exception as HttpException;
return new HttpResponseInfo
{
Content = memoryStream,
if (httpException != null && httpException.IsTimedOut)
{
client.LastTimeout = DateTime.UtcNow;
StatusCode = httpResponse.StatusCode,
ContentType = httpResponse.ContentType
};
}
throw exception;
}
catch (HttpRequestException ex)
{
_logger.ErrorException("Error getting response from " + options.Url, ex);
}
catch (OperationCanceledException ex)
{
var exception = GetCancellationException(options.Url, options.CancellationToken, ex);
throw new HttpException(ex.Message, ex);
}
catch (Exception ex)
{
_logger.ErrorException("Error getting response from " + options.Url, ex);
var httpException = exception as HttpException;
throw;
}
finally
if (httpException != null && httpException.IsTimedOut)
{
if (options.ResourcePool != null)
{
options.ResourcePool.Release();
}
client.LastTimeout = DateTime.UtcNow;
}
throw exception;
}
catch (HttpRequestException ex)
{
_logger.ErrorException("Error getting response from " + options.Url, ex);
throw new HttpException(ex.Message, ex);
}
catch (WebException ex)
{
_logger.ErrorException("Error getting response from " + options.Url, ex);
throw new HttpException(ex.Message, ex);
}
catch (Exception ex)
{
_logger.ErrorException("Error getting response from " + options.Url, ex);
throw;
}
finally
{
if (options.ResourcePool != null)
{
options.ResourcePool.Release();
}
}
}
@ -198,81 +254,9 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
/// <exception cref="MediaBrowser.Model.Net.HttpException"></exception>
public async Task<Stream> Get(HttpRequestOptions options)
{
ValidateParams(options.Url, options.CancellationToken);
var response = await GetResponse(options).ConfigureAwait(false);
options.CancellationToken.ThrowIfCancellationRequested();
var client = GetHttpClient(GetHostFromUrl(options.Url), options.EnableHttpCompression);
if ((DateTime.UtcNow - client.LastTimeout).TotalSeconds < 30)
{
throw new HttpException(string.Format("Cancelling connection to {0} due to a previous timeout.", options.Url)) { IsTimedOut = true };
}
using (var message = GetHttpRequestMessage(options))
{
if (options.ResourcePool != null)
{
await options.ResourcePool.WaitAsync(options.CancellationToken).ConfigureAwait(false);
}
if ((DateTime.UtcNow - client.LastTimeout).TotalSeconds < 30)
{
if (options.ResourcePool != null)
{
options.ResourcePool.Release();
}
throw new HttpException(string.Format("Connection to {0} timed out", options.Url)) { IsTimedOut = true };
}
_logger.Info("HttpClientManager.Get url: {0}", options.Url);
try
{
options.CancellationToken.ThrowIfCancellationRequested();
var response = await client.HttpClient.SendAsync(message, HttpCompletionOption.ResponseContentRead, options.CancellationToken).ConfigureAwait(false);
EnsureSuccessStatusCode(response);
options.CancellationToken.ThrowIfCancellationRequested();
return await response.Content.ReadAsStreamAsync().ConfigureAwait(false);
}
catch (OperationCanceledException ex)
{
var exception = GetCancellationException(options.Url, options.CancellationToken, ex);
var httpException = exception as HttpException;
if (httpException != null && httpException.IsTimedOut)
{
client.LastTimeout = DateTime.UtcNow;
}
throw exception;
}
catch (HttpRequestException ex)
{
_logger.ErrorException("Error getting response from " + options.Url, ex);
throw new HttpException(ex.Message, ex);
}
catch (Exception ex)
{
_logger.ErrorException("Error getting response from " + options.Url, ex);
throw;
}
finally
{
if (options.ResourcePool != null)
{
options.ResourcePool.Release();
}
}
}
return response.Content;
}
/// <summary>
@ -303,6 +287,96 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
return Get(url, null, cancellationToken);
}
/// <summary>
/// Performs a POST request
/// </summary>
/// <param name="options">The options.</param>
/// <param name="postData">Params to add to the POST data.</param>
/// <returns>stream on success, null on failure</returns>
/// <exception cref="HttpException">
/// </exception>
/// <exception cref="System.ArgumentNullException">postData</exception>
/// <exception cref="MediaBrowser.Model.Net.HttpException"></exception>
public async Task<Stream> Post(HttpRequestOptions options, Dictionary<string, string> postData)
{
ValidateParams(options.Url, options.CancellationToken);
options.CancellationToken.ThrowIfCancellationRequested();
var httpWebRequest = GetRequest(options, "POST", options.EnableHttpCompression);
var strings = postData.Keys.Select(key => string.Format("{0}={1}", key, postData[key]));
var postContent = string.Join("&", strings.ToArray());
var bytes = Encoding.UTF8.GetBytes(postContent);
httpWebRequest.ContentType = "application/x-www-form-urlencoded";
httpWebRequest.ContentLength = bytes.Length;
httpWebRequest.GetRequestStream().Write(bytes, 0, bytes.Length);
if (options.ResourcePool != null)
{
await options.ResourcePool.WaitAsync(options.CancellationToken).ConfigureAwait(false);
}
_logger.Info("HttpClientManager.POST url: {0}", options.Url);
try
{
options.CancellationToken.ThrowIfCancellationRequested();
using (var response = await httpWebRequest.GetResponseAsync().ConfigureAwait(false))
{
var httpResponse = (HttpWebResponse)response;
EnsureSuccessStatusCode(httpResponse);
options.CancellationToken.ThrowIfCancellationRequested();
using (var stream = httpResponse.GetResponseStream())
{
var memoryStream = new MemoryStream();
await stream.CopyToAsync(memoryStream).ConfigureAwait(false);
memoryStream.Position = 0;
return memoryStream;
}
}
}
catch (OperationCanceledException ex)
{
var exception = GetCancellationException(options.Url, options.CancellationToken, ex);
throw exception;
}
catch (HttpRequestException ex)
{
_logger.ErrorException("Error getting response from " + options.Url, ex);
throw new HttpException(ex.Message, ex);
}
catch (WebException ex)
{
_logger.ErrorException("Error getting response from " + options.Url, ex);
throw new HttpException(ex.Message, ex);
}
catch (Exception ex)
{
_logger.ErrorException("Error getting response from " + options.Url, ex);
throw;
}
finally
{
if (options.ResourcePool != null)
{
options.ResourcePool.Release();
}
}
}
/// <summary>
/// Performs a POST request
/// </summary>
@ -311,57 +385,15 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
/// <param name="resourcePool">The resource pool.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>stream on success, null on failure</returns>
/// <exception cref="System.ArgumentNullException">postData</exception>
/// <exception cref="MediaBrowser.Model.Net.HttpException"></exception>
public async Task<Stream> Post(string url, Dictionary<string, string> postData, SemaphoreSlim resourcePool, CancellationToken cancellationToken)
public Task<Stream> Post(string url, Dictionary<string, string> postData, SemaphoreSlim resourcePool, CancellationToken cancellationToken)
{
ValidateParams(url, cancellationToken);
if (postData == null)
return Post(new HttpRequestOptions
{
throw new ArgumentNullException("postData");
}
Url = url,
ResourcePool = resourcePool,
CancellationToken = cancellationToken
cancellationToken.ThrowIfCancellationRequested();
var strings = postData.Keys.Select(key => string.Format("{0}={1}", key, postData[key]));
var postContent = string.Join("&", strings.ToArray());
var content = new StringContent(postContent, Encoding.UTF8, "application/x-www-form-urlencoded");
if (resourcePool != null)
{
await resourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
}
_logger.Info("HttpClientManager.Post url: {0}", url);
try
{
cancellationToken.ThrowIfCancellationRequested();
var msg = await GetHttpClient(GetHostFromUrl(url), true).HttpClient.PostAsync(url, content, cancellationToken).ConfigureAwait(false);
EnsureSuccessStatusCode(msg);
return await msg.Content.ReadAsStreamAsync().ConfigureAwait(false);
}
catch (OperationCanceledException ex)
{
throw GetCancellationException(url, cancellationToken, ex);
}
catch (HttpRequestException ex)
{
_logger.ErrorException("Error getting response from " + url, ex);
throw new HttpException(ex.Message, ex);
}
finally
{
if (resourcePool != null)
{
resourcePool.Release();
}
}
}, postData);
}
/// <summary>
@ -392,6 +424,8 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
options.CancellationToken.ThrowIfCancellationRequested();
var httpWebRequest = GetRequest(options, "GET", options.EnableHttpCompression);
if (options.ResourcePool != null)
{
await options.ResourcePool.WaitAsync(options.CancellationToken).ConfigureAwait(false);
@ -399,60 +433,79 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
options.Progress.Report(0);
_logger.Info("HttpClientManager.GetTempFile url: {0}, temp file: {1}", options.Url, tempFile);
_logger.Info("HttpClientManager.GetTempFileResponse url: {0}", options.Url);
try
{
options.CancellationToken.ThrowIfCancellationRequested();
using (var message = GetHttpRequestMessage(options))
using (var response = await httpWebRequest.GetResponseAsync().ConfigureAwait(false))
{
using (var response = await GetHttpClient(GetHostFromUrl(options.Url), options.EnableHttpCompression).HttpClient.SendAsync(message, HttpCompletionOption.ResponseHeadersRead, options.CancellationToken).ConfigureAwait(false))
var httpResponse = (HttpWebResponse)response;
EnsureSuccessStatusCode(httpResponse);
options.CancellationToken.ThrowIfCancellationRequested();
var contentLength = GetContentLength(httpResponse);
if (!contentLength.HasValue)
{
EnsureSuccessStatusCode(response);
options.CancellationToken.ThrowIfCancellationRequested();
var contentLength = GetContentLength(response);
if (!contentLength.HasValue)
// We're not able to track progress
using (var stream = httpResponse.GetResponseStream())
{
// We're not able to track progress
using (var stream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false))
using (var fs = _fileSystem.GetFileStream(tempFile, FileMode.Create, FileAccess.Write, FileShare.Read, true))
{
using (var fs = _fileSystem.GetFileStream(tempFile, FileMode.Create, FileAccess.Write, FileShare.Read, true))
{
await stream.CopyToAsync(fs, StreamDefaults.DefaultCopyToBufferSize, options.CancellationToken).ConfigureAwait(false);
}
await stream.CopyToAsync(fs, StreamDefaults.DefaultCopyToBufferSize, options.CancellationToken).ConfigureAwait(false);
}
}
else
{
using (var stream = ProgressStream.CreateReadProgressStream(await response.Content.ReadAsStreamAsync().ConfigureAwait(false), options.Progress.Report, contentLength.Value))
{
using (var fs = _fileSystem.GetFileStream(tempFile, FileMode.Create, FileAccess.Write, FileShare.Read, true))
{
await stream.CopyToAsync(fs, StreamDefaults.DefaultCopyToBufferSize, options.CancellationToken).ConfigureAwait(false);
}
}
}
options.Progress.Report(100);
return new HttpResponseInfo
{
TempFilePath = tempFile,
StatusCode = response.StatusCode,
ContentType = response.Content.Headers.ContentType.MediaType
};
}
else
{
using (var stream = ProgressStream.CreateReadProgressStream(httpResponse.GetResponseStream(), options.Progress.Report, contentLength.Value))
{
using (var fs = _fileSystem.GetFileStream(tempFile, FileMode.Create, FileAccess.Write, FileShare.Read, true))
{
await stream.CopyToAsync(fs, StreamDefaults.DefaultCopyToBufferSize, options.CancellationToken).ConfigureAwait(false);
}
}
}
options.Progress.Report(100);
return new HttpResponseInfo
{
TempFilePath = tempFile,
StatusCode = httpResponse.StatusCode,
ContentType = httpResponse.ContentType
};
}
}
catch (OperationCanceledException ex)
{
var exception = GetCancellationException(options.Url, options.CancellationToken, ex);
throw exception;
}
catch (HttpRequestException ex)
{
_logger.ErrorException("Error getting response from " + options.Url, ex);
throw new HttpException(ex.Message, ex);
}
catch (WebException ex)
{
_logger.ErrorException("Error getting response from " + options.Url, ex);
throw new HttpException(ex.Message, ex);
}
catch (Exception ex)
{
throw GetTempFileException(ex, options, tempFile);
_logger.ErrorException("Error getting response from " + options.Url, ex);
throw;
}
finally
{
@ -522,6 +575,18 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
return long.Parse(string.Join(string.Empty, lengthValues.ToArray()), UsCulture);
}
private long? GetContentLength(HttpWebResponse response)
{
var length = response.ContentLength;
if (length == 0)
{
return null;
}
return length;
}
protected static readonly CultureInfo UsCulture = new CultureInfo("en-US");
/// <summary>
@ -614,11 +679,6 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
{
if (dispose)
{
foreach (var client in _httpClients.Values.ToList())
{
client.HttpClient.Dispose();
}
_httpClients.Clear();
}
}
@ -659,6 +719,17 @@ namespace MediaBrowser.Common.Implementations.HttpClientManager
}
}
private void EnsureSuccessStatusCode(HttpWebResponse response)
{
var statusCode = response.StatusCode;
var isSuccessful = statusCode >= HttpStatusCode.OK && statusCode <= (HttpStatusCode)299;
if (!isSuccessful)
{
throw new HttpException(response.StatusDescription) { StatusCode = response.StatusCode };
}
}
/// <summary>
/// Posts the specified URL.
/// </summary>

5
MediaBrowser.Common/Net/IHttpClient.cs
View File

@ -73,6 +73,11 @@ namespace MediaBrowser.Common.Net
/// <exception cref="MediaBrowser.Model.Net.HttpException"></exception>
Task<string> GetTempFile(HttpRequestOptions options);
/// <summary>
/// Gets the temporary file response.
/// </summary>
/// <param name="options">The options.</param>
/// <returns>Task{HttpResponseInfo}.</returns>
Task<HttpResponseInfo> GetTempFileResponse(HttpRequestOptions options);
}
}

10
MediaBrowser.ServerApplication/ApplicationHost.cs
View File

@ -702,16 +702,6 @@ namespace MediaBrowser.ServerApplication
OnApplicationUpdated(package.version);
}
/// <summary>
/// Creates the HTTP client.
/// </summary>
/// <param name="enableHttpCompression">if set to <c>true</c> [enable HTTP compression].</param>
/// <returns>HttpClient.</returns>
protected override HttpClient CreateHttpClient(bool enableHttpCompression)
{
return HttpClientFactory.GetHttpClient(enableHttpCompression);
}
protected override void ConfigureAutoRunAtStartup(bool autorun)
{
Autorun.Configure(autorun);

1
MediaBrowser.ServerApplication/MediaBrowser.ServerApplication.csproj
View File

@ -190,7 +190,6 @@
<Compile Include="FFMpeg\FFMpegInfo.cs" />
<Compile Include="IO\FileSystemFactory.cs" />
<Compile Include="Native\Assemblies.cs" />
<Compile Include="Native\HttpClientFactory.cs" />
<Compile Include="Native\NativeApp.cs" />
<Compile Include="IO\NativeFileSystem.cs" />
<Compile Include="Native\ServerAuthorization.cs" />

35
MediaBrowser.ServerApplication/Native/HttpClientFactory.cs
View File

@ -1,35 +0,0 @@
using System;
using System.Net;
using System.Net.Cache;
using System.Net.Http;
namespace MediaBrowser.ServerApplication.Native
{
/// <summary>
/// Class HttpClientFactory
/// </summary>
public static class HttpClientFactory
{
/// <summary>
/// Gets the HTTP client.
/// </summary>
/// <param name="enableHttpCompression">if set to <c>true</c> [enable HTTP compression].</param>
/// <returns>HttpClient.</returns>
public static HttpClient GetHttpClient(bool enableHttpCompression)
{
var client = new HttpClient(new WebRequestHandler
{
CachePolicy = new RequestCachePolicy(RequestCacheLevel.Revalidate),
AutomaticDecompression = enableHttpCompression ? DecompressionMethods.Deflate : DecompressionMethods.None
})
{
Timeout = TimeSpan.FromSeconds(20)
};
client.DefaultRequestHeaders.Add("Connection", "Keep-Alive");
return client;
}
}
}