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avoid buffering http responses

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This commit is contained in:
Luke Pulverenti
2016-10-06 14:55:01 -04:00
parent 83606d82d5
commit a69ca6c55b
63 changed files with 448 additions and 267 deletions
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13
MediaBrowser.Server.Implementations/Persistence/DataExtensions.cs
View File

@@ -4,6 +4,7 @@ using MediaBrowser.Model.Serialization;
using System;
using System.Data;
using System.IO;
using MediaBrowser.Common.IO;
namespace MediaBrowser.Server.Implementations.Persistence
{
@@ -51,18 +52,16 @@ namespace MediaBrowser.Server.Implementations.Persistence
/// <summary>
/// Gets a stream from a DataReader at a given ordinal
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="ordinal">The ordinal.</param>
/// <returns>Stream.</returns>
/// <exception cref="System.ArgumentNullException">reader</exception>
public static Stream GetMemoryStream(this IDataReader reader, int ordinal)
public static Stream GetMemoryStream(this IDataReader reader, int ordinal, IMemoryStreamProvider streamProvider)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
var memoryStream = new MemoryStream();
var memoryStream = streamProvider.CreateNew();
var num = 0L;
var array = new byte[4096];
long bytes;
@@ -132,18 +131,16 @@ namespace MediaBrowser.Server.Implementations.Persistence
/// <summary>
/// Serializes to bytes.
/// </summary>
/// <param name="json">The json.</param>
/// <param name="obj">The obj.</param>
/// <returns>System.Byte[][].</returns>
/// <exception cref="System.ArgumentNullException">obj</exception>
public static byte[] SerializeToBytes(this IJsonSerializer json, object obj)
public static byte[] SerializeToBytes(this IJsonSerializer json, object obj, IMemoryStreamProvider streamProvider)
{
if (obj == null)
{
throw new ArgumentNullException("obj");
}
using (var stream = new MemoryStream())
using (var stream = streamProvider.CreateNew())
{
json.SerializeToStream(obj, stream);
return stream.ToArray();

14
MediaBrowser.Server.Implementations/Persistence/SqliteDisplayPreferencesRepository.cs
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@@ -10,6 +10,7 @@ using System.Data;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.IO;
namespace MediaBrowser.Server.Implementations.Persistence
{
@@ -18,10 +19,13 @@ namespace MediaBrowser.Server.Implementations.Persistence
/// </summary>
public class SqliteDisplayPreferencesRepository : BaseSqliteRepository, IDisplayPreferencesRepository
{
public SqliteDisplayPreferencesRepository(ILogManager logManager, IJsonSerializer jsonSerializer, IApplicationPaths appPaths, IDbConnector dbConnector)
private readonly IMemoryStreamProvider _memoryStreamProvider;
public SqliteDisplayPreferencesRepository(ILogManager logManager, IJsonSerializer jsonSerializer, IApplicationPaths appPaths, IDbConnector dbConnector, IMemoryStreamProvider memoryStreamProvider)
: base(logManager, dbConnector)
{
_jsonSerializer = jsonSerializer;
_memoryStreamProvider = memoryStreamProvider;
DbFilePath = Path.Combine(appPaths.DataPath, "displaypreferences.db");
}
@@ -82,7 +86,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
cancellationToken.ThrowIfCancellationRequested();
var serialized = _jsonSerializer.SerializeToBytes(displayPreferences);
var serialized = _jsonSerializer.SerializeToBytes(displayPreferences, _memoryStreamProvider);
using (var connection = await CreateConnection().ConfigureAwait(false))
{
@@ -166,7 +170,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
foreach (var displayPreference in displayPreferences)
{
var serialized = _jsonSerializer.SerializeToBytes(displayPreference);
var serialized = _jsonSerializer.SerializeToBytes(displayPreference, _memoryStreamProvider);
using (var cmd = connection.CreateCommand())
{
@@ -246,7 +250,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
{
if (reader.Read())
{
using (var stream = reader.GetMemoryStream(0))
using (var stream = reader.GetMemoryStream(0, _memoryStreamProvider))
{
return _jsonSerializer.DeserializeFromStream<DisplayPreferences>(stream);
}
@@ -283,7 +287,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
{
while (reader.Read())
{
using (var stream = reader.GetMemoryStream(0))
using (var stream = reader.GetMemoryStream(0, _memoryStreamProvider))
{
list.Add(_jsonSerializer.DeserializeFromStream<DisplayPreferences>(stream));
}

9
MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
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@@ -19,6 +19,7 @@ using System.Text;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.IO;
using MediaBrowser.Controller.Channels;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Playlists;
@@ -95,11 +96,12 @@ namespace MediaBrowser.Server.Implementations.Persistence
private IDbCommand _updateInheritedTagsCommand;
public const int LatestSchemaVersion = 109;
private readonly IMemoryStreamProvider _memoryStreamProvider;
/// <summary>
/// Initializes a new instance of the <see cref="SqliteItemRepository"/> class.
/// </summary>
public SqliteItemRepository(IServerConfigurationManager config, IJsonSerializer jsonSerializer, ILogManager logManager, IDbConnector connector)
public SqliteItemRepository(IServerConfigurationManager config, IJsonSerializer jsonSerializer, ILogManager logManager, IDbConnector connector, IMemoryStreamProvider memoryStreamProvider)
: base(logManager, connector)
{
if (config == null)
@@ -113,6 +115,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
_config = config;
_jsonSerializer = jsonSerializer;
_memoryStreamProvider = memoryStreamProvider;
_criticReviewsPath = Path.Combine(_config.ApplicationPaths.DataPath, "critic-reviews");
DbFilePath = Path.Combine(_config.ApplicationPaths.DataPath, "library.db");
@@ -724,7 +727,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
_saveItemCommand.GetParameter(index++).Value = item.Id;
_saveItemCommand.GetParameter(index++).Value = item.GetType().FullName;
_saveItemCommand.GetParameter(index++).Value = _jsonSerializer.SerializeToBytes(item);
_saveItemCommand.GetParameter(index++).Value = _jsonSerializer.SerializeToBytes(item, _memoryStreamProvider);
_saveItemCommand.GetParameter(index++).Value = item.Path;
@@ -1075,7 +1078,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
BaseItem item = null;
using (var stream = reader.GetMemoryStream(1))
using (var stream = reader.GetMemoryStream(1, _memoryStreamProvider))
{
try
{

9
MediaBrowser.Server.Implementations/Persistence/SqliteUserRepository.cs
View File

@@ -9,6 +9,7 @@ using System.Data;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.IO;
namespace MediaBrowser.Server.Implementations.Persistence
{
@@ -18,10 +19,12 @@ namespace MediaBrowser.Server.Implementations.Persistence
public class SqliteUserRepository : BaseSqliteRepository, IUserRepository
{
private readonly IJsonSerializer _jsonSerializer;
private readonly IMemoryStreamProvider _memoryStreamProvider;
public SqliteUserRepository(ILogManager logManager, IServerApplicationPaths appPaths, IJsonSerializer jsonSerializer, IDbConnector dbConnector) : base(logManager, dbConnector)
public SqliteUserRepository(ILogManager logManager, IServerApplicationPaths appPaths, IJsonSerializer jsonSerializer, IDbConnector dbConnector, IMemoryStreamProvider memoryStreamProvider) : base(logManager, dbConnector)
{
_jsonSerializer = jsonSerializer;
_memoryStreamProvider = memoryStreamProvider;
DbFilePath = Path.Combine(appPaths.DataPath, "users.db");
}
@@ -75,7 +78,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
cancellationToken.ThrowIfCancellationRequested();
var serialized = _jsonSerializer.SerializeToBytes(user);
var serialized = _jsonSerializer.SerializeToBytes(user, _memoryStreamProvider);
cancellationToken.ThrowIfCancellationRequested();
@@ -150,7 +153,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
{
var id = reader.GetGuid(0);
using (var stream = reader.GetMemoryStream(1))
using (var stream = reader.GetMemoryStream(1, _memoryStreamProvider))
{
var user = _jsonSerializer.DeserializeFromStream<User>(stream);
user.Id = id;