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Merge pull request #848 from Bond-009/perf

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Minor changes to reduce allocations
This commit is contained in:
Joshua M. Boniface
2019-02-19 21:24:51 -05:00
committed by GitHub
parent b43317c5e1 4811e76860
commit 89d4ce309d
21 changed files with 303 additions and 304 deletions
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34
Emby.Server.Implementations/HttpServer/HttpResultFactory.cs
View File

@@ -90,7 +90,7 @@ namespace Emby.Server.Implementations.HttpServer
/// </summary>
private IHasHeaders GetHttpResult(IRequest requestContext, Stream content, string contentType, bool addCachePrevention, IDictionary<string, string> responseHeaders = null)
{
var result = new StreamWriter(content, contentType, _logger);
var result = new StreamWriter(content, contentType);
if (responseHeaders == null)
{
@@ -131,7 +131,7 @@ namespace Emby.Server.Implementations.HttpServer
content = Array.Empty<byte>();
}
result = new StreamWriter(content, contentType, contentLength, _logger);
result = new StreamWriter(content, contentType, contentLength);
}
else
{
@@ -143,7 +143,7 @@ namespace Emby.Server.Implementations.HttpServer
responseHeaders = new Dictionary<string, string>();
}
if (addCachePrevention && !responseHeaders.TryGetValue("Expires", out string expires))
if (addCachePrevention && !responseHeaders.TryGetValue("Expires", out string _))
{
responseHeaders["Expires"] = "-1";
}
@@ -175,7 +175,7 @@ namespace Emby.Server.Implementations.HttpServer
bytes = Array.Empty<byte>();
}
result = new StreamWriter(bytes, contentType, contentLength, _logger);
result = new StreamWriter(bytes, contentType, contentLength);
}
else
{
@@ -187,7 +187,7 @@ namespace Emby.Server.Implementations.HttpServer
responseHeaders = new Dictionary<string, string>();
}
if (addCachePrevention && !responseHeaders.TryGetValue("Expires", out string expires))
if (addCachePrevention && !responseHeaders.TryGetValue("Expires", out string _))
{
responseHeaders["Expires"] = "-1";
}
@@ -277,9 +277,10 @@ namespace Emby.Server.Implementations.HttpServer
private object ToOptimizedResultInternal<T>(IRequest request, T dto, IDictionary<string, string> responseHeaders = null)
{
var contentType = request.ResponseContentType;
// TODO: @bond use Span and .Equals
var contentType = request.ResponseContentType?.Split(';')[0].Trim().ToLowerInvariant();
switch (GetRealContentType(contentType))
switch (contentType)
{
case "application/xml":
case "text/xml":
@@ -333,13 +334,13 @@ namespace Emby.Server.Implementations.HttpServer
if (isHeadRequest)
{
var result = new StreamWriter(Array.Empty<byte>(), contentType, contentLength, _logger);
var result = new StreamWriter(Array.Empty<byte>(), contentType, contentLength);
AddResponseHeaders(result, responseHeaders);
return result;
}
else
{
var result = new StreamWriter(content, contentType, contentLength, _logger);
var result = new StreamWriter(content, contentType, contentLength);
AddResponseHeaders(result, responseHeaders);
return result;
}
@@ -348,13 +349,19 @@ namespace Emby.Server.Implementations.HttpServer
private byte[] Compress(byte[] bytes, string compressionType)
{
if (string.Equals(compressionType, "br", StringComparison.OrdinalIgnoreCase))
{
return CompressBrotli(bytes);
}
if (string.Equals(compressionType, "deflate", StringComparison.OrdinalIgnoreCase))
{
return Deflate(bytes);
}
if (string.Equals(compressionType, "gzip", StringComparison.OrdinalIgnoreCase))
{
return GZip(bytes);
}
throw new NotSupportedException(compressionType);
}
@@ -390,13 +397,6 @@ namespace Emby.Server.Implementations.HttpServer
}
}
public static string GetRealContentType(string contentType)
{
return contentType == null
? null
: contentType.Split(';')[0].ToLowerInvariant().Trim();
}
private static string SerializeToXmlString(object from)
{
using (var ms = new MemoryStream())
@@ -603,7 +603,7 @@ namespace Emby.Server.Implementations.HttpServer
}
}
var hasHeaders = new StreamWriter(stream, contentType, _logger)
var hasHeaders = new StreamWriter(stream, contentType)
{
OnComplete = options.OnComplete,
OnError = options.OnError

8
Emby.Server.Implementations/HttpServer/StreamWriter.cs
View File

@@ -14,8 +14,6 @@ namespace Emby.Server.Implementations.HttpServer
/// </summary>
public class StreamWriter : IAsyncStreamWriter, IHasHeaders
{
private ILogger Logger { get; set; }
private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
/// <summary>
@@ -45,7 +43,7 @@ namespace Emby.Server.Implementations.HttpServer
/// <param name="source">The source.</param>
/// <param name="contentType">Type of the content.</param>
/// <param name="logger">The logger.</param>
public StreamWriter(Stream source, string contentType, ILogger logger)
public StreamWriter(Stream source, string contentType)
{
if (string.IsNullOrEmpty(contentType))
{
@@ -53,7 +51,6 @@ namespace Emby.Server.Implementations.HttpServer
}
SourceStream = source;
Logger = logger;
Headers["Content-Type"] = contentType;
@@ -69,7 +66,7 @@ namespace Emby.Server.Implementations.HttpServer
/// <param name="source">The source.</param>
/// <param name="contentType">Type of the content.</param>
/// <param name="logger">The logger.</param>
public StreamWriter(byte[] source, string contentType, int contentLength, ILogger logger)
public StreamWriter(byte[] source, string contentType, int contentLength)
{
if (string.IsNullOrEmpty(contentType))
{
@@ -77,7 +74,6 @@ namespace Emby.Server.Implementations.HttpServer
}
SourceBytes = source;
Logger = logger;
Headers["Content-Type"] = contentType;