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优化UserAgent解析

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This commit is contained in:
GoEdgeLab
2022-01-01 21:47:59 +08:00
parent be412f5740
commit e67b56f685
4 changed files with 148 additions and 5 deletions
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51
internal/stats/user_agent_parser_test.go Normal file
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// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
package stats
import (
"github.com/iwind/TeaGo/rands"
"github.com/iwind/TeaGo/types"
"runtime"
"runtime/debug"
"testing"
)
func TestUserAgentParser_Parse(t *testing.T) {
var parser = NewUserAgentParser()
t.Log(parser.Parse("Mozilla/5.0 (Windows NT 10.0; WOW64; rv:49.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.96 Safari/537.36 Test/1"))
t.Log(parser.Parse("Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36"))
}
func TestUserAgentParser_Parse_Unknown(t *testing.T) {
var parser = NewUserAgentParser()
t.Log(parser.Parse("Mozilla/5.0 (Wind 10.0; WOW64; rv:49.0) Apple/537.36 (KHTML, like Gecko) Chr/88.0.4324.96 Sa/537.36 Test/1"))
t.Log(parser.Parse(""))
}
func TestUserAgentParser_Memory(t *testing.T) {
var stat1 = &runtime.MemStats{}
runtime.ReadMemStats(stat1)
var parser = NewUserAgentParser()
for i := 0; i < 1_000_000; i++ {
parser.Parse("Mozilla/5.0 (Windows NT 10.0; WOW64; rv:49.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.96 Safari/537.36 Test/" + types.String(rands.Int(0, 100_000)))
}
runtime.GC()
debug.FreeOSMemory()
var stat2 = &runtime.MemStats{}
runtime.ReadMemStats(stat2)
t.Log("max cache items:", parser.maxCacheItems)
t.Log("cache1:", len(parser.cacheMap1), "cache2:", len(parser.cacheMap2), "cache3:", (stat2.HeapInuse-stat1.HeapInuse)/1024/1024, "MB")
}
func BenchmarkUserAgentParser_Parse(b *testing.B) {
var parser = NewUserAgentParser()
for i := 0; i < b.N; i++ {
parser.Parse("Mozilla/5.0 (Windows NT 10.0; WOW64; rv:49.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.96 Safari/537.36 Test/" + types.String(rands.Int(0, 40000)))
}
b.Log(len(parser.cacheMap1), len(parser.cacheMap2))
}