From 064d7249f5cf8c09c0cb9b7e3978cc56295cc8ab Mon Sep 17 00:00:00 2001
From: Darien Raymond <admin@v2ray.com>
Date: Sun, 5 Nov 2017 23:39:47 +0100
Subject: [PATCH] banchmark IPNetTable

---
 common/net/ipnet_test.go | 73 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)

diff --git a/common/net/ipnet_test.go b/common/net/ipnet_test.go
index 5c22c8332..572c4ed18 100644
--- a/common/net/ipnet_test.go
+++ b/common/net/ipnet_test.go
@@ -2,8 +2,16 @@ package net_test
 
 import (
 	"net"
+	"os"
+	"path/filepath"
 	"testing"
 
+	proto "github.com/golang/protobuf/proto"
+	"v2ray.com/core/app/router"
+	"v2ray.com/core/common/platform"
+
+	"v2ray.com/ext/sysio"
+
 	"v2ray.com/core/common"
 	. "v2ray.com/core/common/net"
 	. "v2ray.com/ext/assert"
@@ -43,3 +51,68 @@ func TestIPNet(t *testing.T) {
 	assert(ipNet.Contains(ParseIP("2001:cdba::3257:9652")), IsFalse)
 	assert(ipNet.Contains(ParseIP("91.108.255.254")), IsTrue)
 }
+
+func loadGeoIP(country string) ([]*router.CIDR, error) {
+	geoipBytes, err := sysio.ReadAsset("geoip.dat")
+	if err != nil {
+		return nil, err
+	}
+	var geoipList router.GeoIPList
+	if err := proto.Unmarshal(geoipBytes, &geoipList); err != nil {
+		return nil, err
+	}
+
+	for _, geoip := range geoipList.Entry {
+		if geoip.CountryCode == country {
+			return geoip.Cidr, nil
+		}
+	}
+
+	panic("country not found: " + country)
+}
+
+func BenchmarkIPNetQuery(b *testing.B) {
+	common.Must(sysio.CopyFile(platform.GetAssetLocation("geoip.dat"), filepath.Join(os.Getenv("GOPATH"), "src", "v2ray.com", "core", "tools", "release", "config", "geoip.dat")))
+
+	ips, err := loadGeoIP("CN")
+	common.Must(err)
+
+	ipNet := NewIPNetTable()
+	for _, ip := range ips {
+		ipNet.AddIP(ip.Ip, byte(ip.Prefix))
+	}
+
+	b.ResetTimer()
+
+	for i := 0; i < b.N; i++ {
+		ipNet.Contains([]byte{8, 8, 8, 8})
+	}
+}
+
+func BenchmarkCIDRQuery(b *testing.B) {
+	common.Must(sysio.CopyFile(platform.GetAssetLocation("geoip.dat"), filepath.Join(os.Getenv("GOPATH"), "src", "v2ray.com", "core", "tools", "release", "config", "geoip.dat")))
+
+	ips, err := loadGeoIP("CN")
+	common.Must(err)
+
+	ipNet := make([]*net.IPNet, 0, 1024)
+	for _, ip := range ips {
+		if len(ip.Ip) != 4 {
+			continue
+		}
+		ipNet = append(ipNet, &net.IPNet{
+			IP:   net.IP(ip.Ip),
+			Mask: net.CIDRMask(int(ip.Prefix), 32),
+		})
+	}
+
+	b.ResetTimer()
+
+	for i := 0; i < b.N; i++ {
+		for _, n := range ipNet {
+			if n.Contains([]byte{8, 8, 8, 8}) {
+				break
+			}
+		}
+	}
+}