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Merge pull request #127 from fakefloordiv/master
Optimized HTTP parser by approx. 0.5gb/s
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,66 @@ | ||
package method | ||
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//go:generate stringer -type=Method | ||
type Method uint8 | ||
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const ( | ||
Unknown Method = iota | ||
GET | ||
HEAD | ||
POST | ||
PUT | ||
DELETE | ||
CONNECT | ||
OPTIONS | ||
TRACE | ||
PATCH | ||
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// Count is the last one enum, so contains the greatest integer value of all the | ||
// methods. So real number of methods is lower by 1 | ||
Count = iota - 1 | ||
) | ||
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func Parse(str string) Method { | ||
switch len(str) { | ||
case 3: | ||
if str == "GET" { | ||
return GET | ||
} else if str == "PUT" { | ||
return PUT | ||
} | ||
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return Unknown | ||
case 4: | ||
if str == "POST" { | ||
return POST | ||
} else if str == "HEAD" { | ||
return HEAD | ||
} | ||
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return Unknown | ||
case 5: | ||
if str == "PATCH" { | ||
return PATCH | ||
} else if str == "TRACE" { | ||
return TRACE | ||
} | ||
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return Unknown | ||
case 6: | ||
if str == "DELETE" { | ||
return DELETE | ||
} | ||
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return Unknown | ||
case 7: | ||
if str == "CONNECT" { | ||
return CONNECT | ||
} else if str == "OPTIONS" { | ||
return OPTIONS | ||
} | ||
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return Unknown | ||
} | ||
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return Unknown | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,23 @@ | ||
package method | ||
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import "testing" | ||
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func BenchmarkMethod(b *testing.B) { | ||
var parsed Method | ||
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for i := Unknown; i <= Count; i++ { | ||
b.Run(i.String(), func(b *testing.B) { | ||
m := i.String() | ||
b.SetBytes(int64(len(m))) | ||
b.ResetTimer() | ||
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for j := 0; j < b.N; j++ { | ||
parsed = Parse(m) | ||
} | ||
}) | ||
} | ||
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keepalive(parsed) | ||
} | ||
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func keepalive(Method) {} |
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