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Checkin for caching the template matching for significant route finder performance improvements (#728)

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This commit is contained in:
Phil Proctor 2018-12-26 15:05:20 -05:00 committed by Marcelo Castagna
parent ac211886f1
commit 9bbb6364f2
7 changed files with 124 additions and 114 deletions
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2
src/Ocelot/DownstreamRouteFinder/Finder/DownstreamRouteFinder.cs
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@ -28,7 +28,7 @@ namespace Ocelot.DownstreamRouteFinder.Finder
foreach (var reRoute in applicableReRoutes)
{
var urlMatch = _urlMatcher.Match(upstreamUrlPath, upstreamQueryString, reRoute.UpstreamTemplatePattern.Template, reRoute.UpstreamTemplatePattern.ContainsQueryString);
var urlMatch = _urlMatcher.Match(upstreamUrlPath, upstreamQueryString, reRoute.UpstreamTemplatePattern);
if (urlMatch.Data.Match)
{

3
src/Ocelot/DownstreamRouteFinder/UrlMatcher/IUrlPathToUrlTemplateMatcher.cs
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@ -1,9 +1,10 @@
using Ocelot.Responses;
using Ocelot.Values;
namespace Ocelot.DownstreamRouteFinder.UrlMatcher
{
public interface IUrlPathToUrlTemplateMatcher
{
Response<UrlMatch> Match(string upstreamUrlPath, string upstreamQueryString, string upstreamUrlPathTemplate, bool containsQueryString);
Response<UrlMatch> Match(string upstreamUrlPath, string upstreamQueryString, UpstreamPathTemplate pathTemplate);
}
}

11
src/Ocelot/DownstreamRouteFinder/UrlMatcher/RegExUrlMatcher.cs
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@ -1,22 +1,21 @@
using System.Text.RegularExpressions;
using Ocelot.Responses;
using Ocelot.Values;
namespace Ocelot.DownstreamRouteFinder.UrlMatcher
{
public class RegExUrlMatcher : IUrlPathToUrlTemplateMatcher
{
public Response<UrlMatch> Match(string upstreamUrlPath, string upstreamQueryString, string upstreamUrlPathTemplate, bool containsQueryString)
public Response<UrlMatch> Match(string upstreamUrlPath, string upstreamQueryString, UpstreamPathTemplate pathTemplate)
{
var regex = new Regex(upstreamUrlPathTemplate);
if (!containsQueryString)
if (!pathTemplate.ContainsQueryString)
{
return regex.IsMatch(upstreamUrlPath)
return pathTemplate.Pattern.IsMatch(upstreamUrlPath)
? new OkResponse<UrlMatch>(new UrlMatch(true))
: new OkResponse<UrlMatch>(new UrlMatch(false));
}
return regex.IsMatch($"{upstreamUrlPath}{upstreamQueryString}")
return pathTemplate.Pattern.IsMatch($"{upstreamUrlPath}{upstreamQueryString}")
? new OkResponse<UrlMatch>(new UrlMatch(true))
: new OkResponse<UrlMatch>(new UrlMatch(false));
}

7
src/Ocelot/Values/UpstreamPathTemplate.cs
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@ -1,3 +1,5 @@
using System.Text.RegularExpressions;
namespace Ocelot.Values
{
public class UpstreamPathTemplate
@ -8,6 +10,9 @@ namespace Ocelot.Values
Priority = priority;
ContainsQueryString = containsQueryString;
OriginalValue = originalValue;
Pattern = template == null ?
new Regex("$^", RegexOptions.Compiled | RegexOptions.Singleline) :
new Regex(template, RegexOptions.Compiled | RegexOptions.Singleline);
}
public string Template { get; }
@ -17,5 +22,7 @@ namespace Ocelot.Values
public bool ContainsQueryString { get; }
public string OriginalValue { get; }
public Regex Pattern { get; }
}
}

7
test/Ocelot.Benchmarks/UrlPathToUrlPathTemplateMatcherBenchmarks.cs
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@ -5,6 +5,7 @@ using BenchmarkDotNet.Configs;
using BenchmarkDotNet.Diagnosers;
using BenchmarkDotNet.Validators;
using Ocelot.DownstreamRouteFinder.UrlMatcher;
using Ocelot.Values;
namespace Ocelot.Benchmarks
{
@ -12,8 +13,8 @@ namespace Ocelot.Benchmarks
public class UrlPathToUrlPathTemplateMatcherBenchmarks : ManualConfig
{
private RegExUrlMatcher _urlPathMatcher;
private UpstreamPathTemplate _pathTemplate;
private string _downstreamUrlPath;
private string _downstreamUrlPathTemplate;
private string _upstreamQuery;
public UrlPathToUrlPathTemplateMatcherBenchmarks()
@ -27,14 +28,14 @@ namespace Ocelot.Benchmarks
public void SetUp()
{
_urlPathMatcher = new RegExUrlMatcher();
_pathTemplate = new UpstreamPathTemplate("api/product/products/{productId}/variants/", 0, false, null);
_downstreamUrlPath = "api/product/products/1/variants/?soldout=false";
_downstreamUrlPathTemplate = "api/product/products/{productId}/variants/";
}
[Benchmark(Baseline = true)]
public void Baseline()
{
_urlPathMatcher.Match(_downstreamUrlPath, _upstreamQuery, _downstreamUrlPathTemplate, false);
_urlPathMatcher.Match(_downstreamUrlPath, _upstreamQuery, _pathTemplate);
}
// * Summary *

17
test/Ocelot.UnitTests/DownstreamRouteFinder/DownstreamRouteFinderTests.cs
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@ -624,7 +624,7 @@ namespace Ocelot.UnitTests.DownstreamRouteFinder
.And(x => x.GivenTheUrlMatcherReturns(new OkResponse<UrlMatch>(new UrlMatch(true))))
.And(x => x.GivenTheUpstreamHttpMethodIs("Get"))
.When(x => x.WhenICallTheFinder())
.And(x => x.ThenTheUrlMatcherIsCalledCorrectly(1))
.And(x => x.ThenTheUrlMatcherIsCalledCorrectly(1, 0))
.BDDfy();
}
@ -677,7 +677,8 @@ namespace Ocelot.UnitTests.DownstreamRouteFinder
.WithUpstreamPathTemplate(new UpstreamPathTemplate("someUpstreamPath", 1, false, "test"))
.Build()
)))
.And(x => x.ThenTheUrlMatcherIsCalledCorrectly(2))
.And(x => x.ThenTheUrlMatcherIsCalledCorrectly(1, 0))
.And(x => x.ThenTheUrlMatcherIsCalledCorrectly(1, 1))
.BDDfy();
}
@ -706,32 +707,32 @@ namespace Ocelot.UnitTests.DownstreamRouteFinder
private void ThenTheUrlMatcherIsCalledCorrectly()
{
_mockMatcher
.Verify(x => x.Match(_upstreamUrlPath, _upstreamQuery, _reRoutesConfig[0].UpstreamTemplatePattern.Template, _reRoutesConfig[0].UpstreamTemplatePattern.ContainsQueryString), Times.Once);
.Verify(x => x.Match(_upstreamUrlPath, _upstreamQuery, _reRoutesConfig[0].UpstreamTemplatePattern), Times.Once);
}
private void ThenTheUrlMatcherIsCalledCorrectly(int times)
private void ThenTheUrlMatcherIsCalledCorrectly(int times, int index = 0)
{
_mockMatcher
.Verify(x => x.Match(_upstreamUrlPath, _upstreamQuery, _reRoutesConfig[0].UpstreamTemplatePattern.OriginalValue, _reRoutesConfig[0].UpstreamTemplatePattern.ContainsQueryString), Times.Exactly(times));
.Verify(x => x.Match(_upstreamUrlPath, _upstreamQuery, _reRoutesConfig[index].UpstreamTemplatePattern), Times.Exactly(times));
}
private void ThenTheUrlMatcherIsCalledCorrectly(string expectedUpstreamUrlPath)
{
_mockMatcher
.Verify(x => x.Match(expectedUpstreamUrlPath, _upstreamQuery, _reRoutesConfig[0].UpstreamTemplatePattern.OriginalValue, _reRoutesConfig[0].UpstreamTemplatePattern.ContainsQueryString), Times.Once);
.Verify(x => x.Match(expectedUpstreamUrlPath, _upstreamQuery, _reRoutesConfig[0].UpstreamTemplatePattern), Times.Once);
}
private void ThenTheUrlMatcherIsNotCalled()
{
_mockMatcher
.Verify(x => x.Match(_upstreamUrlPath, _upstreamQuery, _reRoutesConfig[0].UpstreamTemplatePattern.OriginalValue, _reRoutesConfig[0].UpstreamTemplatePattern.ContainsQueryString), Times.Never);
.Verify(x => x.Match(_upstreamUrlPath, _upstreamQuery, _reRoutesConfig[0].UpstreamTemplatePattern), Times.Never);
}
private void GivenTheUrlMatcherReturns(Response<UrlMatch> match)
{
_match = match;
_mockMatcher
.Setup(x => x.Match(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<bool>()))
.Setup(x => x.Match(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<UpstreamPathTemplate>()))
.Returns(_match);
}

3
test/Ocelot.UnitTests/DownstreamRouteFinder/UrlMatcher/RegExUrlMatcherTests.cs
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@ -1,5 +1,6 @@
using Ocelot.DownstreamRouteFinder.UrlMatcher;
using Ocelot.Responses;
using Ocelot.Values;
using Shouldly;
using TestStack.BDDfy;
using Xunit;
@ -270,7 +271,7 @@ namespace Ocelot.UnitTests.DownstreamRouteFinder.UrlMatcher
private void WhenIMatchThePaths()
{
_result = _urlMatcher.Match(_path, _queryString, _downstreamPathTemplate, _containsQueryString);
_result = _urlMatcher.Match(_path, _queryString, new UpstreamPathTemplate(_downstreamPathTemplate, 0, _containsQueryString, _downstreamPathTemplate));
}
private void ThenTheResultIsTrue()