tsai
/
squidex
mirror of https://github.com/Squidex/squidex.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

Limit the number of parallel requests in GraphQL.

release/4.x
Sebastian 5 years ago
parent
7f36460ddc
commit
195d99aca7
2 changed files with 82 additions and 18 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 88
      backend/src/Squidex.Domain.Apps.Entities/Contents/Queries/QueryExecutionContext.cs
  2. 12
      backend/src/Squidex.Infrastructure/Assets/ImageSharp/ImageSharpAssetThumbnailGenerator.cs

88
backend/src/Squidex.Domain.Apps.Entities/Contents/Queries/QueryExecutionContext.cs
View File

@ -9,6 +9,7 @@ using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Squidex.Domain.Apps.Entities.Assets;
using Squidex.Infrastructure;
@ -17,6 +18,7 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries
{
public class QueryExecutionContext : Dictionary<string, object>
{
private readonly SemaphoreSlim maxRequests = new SemaphoreSlim(10);
private readonly ConcurrentDictionary<Guid, IEnrichedContentEntity?> cachedContents = new ConcurrentDictionary<Guid, IEnrichedContentEntity?>();
private readonly ConcurrentDictionary<Guid, IEnrichedAssetEntity?> cachedAssets = new ConcurrentDictionary<Guid, IEnrichedAssetEntity?>();
private readonly IContentQueryService contentQuery;
@ -45,7 +47,15 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries
if (asset == null)
{
asset = await assetQuery.FindAssetAsync(context, id);
await maxRequests.WaitAsync();
try
{
asset = await assetQuery.FindAssetAsync(context, id);
}
finally
{
maxRequests.Release();
}
if (asset != null)
{
@ -62,7 +72,15 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries
if (content == null)
{
content = await contentQuery.FindContentAsync(context, schemaId.ToString(), id);
await maxRequests.WaitAsync();
try
{
content = await contentQuery.FindContentAsync(context, schemaId.ToString(), id);
}
finally
{
maxRequests.Release();
}
if (content != null)
{
@ -77,7 +95,17 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries
{
var q = Q.Empty.WithODataQuery(odata);
var assets = await assetQuery.QueryAsync(context, null, q);
IResultList<IEnrichedAssetEntity> assets;
await maxRequests.WaitAsync();
try
{
assets = await assetQuery.QueryAsync(context, null, q);
}
finally
{
maxRequests.Release();
}
foreach (var asset in assets)
{
@ -91,14 +119,24 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries
{
var q = Q.Empty.WithODataQuery(odata);
var result = await contentQuery.QueryAsync(context, schemaIdOrName, q);
IResultList<IEnrichedContentEntity> contents;
await maxRequests.WaitAsync();
try
{
contents = await contentQuery.QueryAsync(context, schemaIdOrName, q);
}
finally
{
maxRequests.Release();
}
foreach (var content in result)
foreach (var content in contents)
{
cachedContents[content.Id] = content;
}
return result;
return contents;
}
public virtual async Task<IReadOnlyList<IEnrichedAssetEntity>> GetReferencedAssetsAsync(ICollection<Guid> ids)
@ -109,7 +147,17 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries
if (notLoadedAssets.Count > 0)
{
var assets = await assetQuery.QueryAsync(context, null, Q.Empty.WithIds(notLoadedAssets));
IResultList<IEnrichedAssetEntity> assets;
await maxRequests.WaitAsync();
try
{
assets = await assetQuery.QueryAsync(context, null, Q.Empty.WithIds(notLoadedAssets));
}
finally
{
maxRequests.Release();
}
foreach (var asset in assets)
{
@ -128,9 +176,19 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries
if (notLoadedContents.Count > 0)
{
var result = await contentQuery.QueryAsync(context, notLoadedContents);
IResultList<IEnrichedContentEntity> contents;
await maxRequests.WaitAsync();
try
{
contents = await contentQuery.QueryAsync(context, notLoadedContents);
}
finally
{
maxRequests.Release();
}
foreach (var content in result)
foreach (var content in contents)
{
cachedContents[content.Id] = content;
}
@ -139,11 +197,19 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries
return ids.Select(cachedContents.GetOrDefault).NotNull().ToList();
}
public Task<IResultList<IEnrichedContentEntity>> QueryReferencingContentsAsync(string schemaIdOrName, string odata, Guid reference)
public async Task<IResultList<IEnrichedContentEntity>> QueryReferencingContentsAsync(string schemaIdOrName, string odata, Guid reference)
{
var q = Q.Empty.WithODataQuery(odata).WithReference(reference);
return contentQuery.QueryAsync(context, schemaIdOrName, q);
await maxRequests.WaitAsync();
try
{
return await contentQuery.QueryAsync(context, schemaIdOrName, q);
}
finally
{
maxRequests.Release();
}
}
}
}

12
backend/src/Squidex.Infrastructure/Assets/ImageSharp/ImageSharpAssetThumbnailGenerator.cs
View File

@ -24,7 +24,7 @@ namespace Squidex.Infrastructure.Assets.ImageSharp
{
public sealed class ImageSharpAssetThumbnailGenerator : IAssetThumbnailGenerator
{
private readonly SemaphoreSlim semaphoreSlim = new SemaphoreSlim(Math.Max(Environment.ProcessorCount / 4, 1));
private readonly SemaphoreSlim maxTasks = new SemaphoreSlim(Math.Max(Environment.ProcessorCount / 4, 1));
public async Task CreateThumbnailAsync(Stream source, Stream destination, ResizeOptions options)
{
@ -42,8 +42,7 @@ namespace Squidex.Infrastructure.Assets.ImageSharp
var w = options.Width ?? 0;
var h = options.Height ?? 0;
await semaphoreSlim.WaitAsync();
await maxTasks.WaitAsync();
try
{
using (var image = Image.Load(source, out var format))
@ -89,7 +88,7 @@ namespace Squidex.Infrastructure.Assets.ImageSharp
}
finally
{
semaphoreSlim.Release();
maxTasks.Release();
}
}
@ -156,8 +155,7 @@ namespace Squidex.Infrastructure.Assets.ImageSharp
Guard.NotNull(source, nameof(source));
Guard.NotNull(destination, nameof(destination));
await semaphoreSlim.WaitAsync();
await maxTasks.WaitAsync();
try
{
using (var image = Image.Load(source, out var format))
@ -178,7 +176,7 @@ namespace Squidex.Infrastructure.Assets.ImageSharp
}
finally
{
semaphoreSlim.Release();
maxTasks.Release();
}
}

Write Preview
Loading…
Cancel
Save