优化IP库内存

pkg/iplibrary/ip_item.go

@@ -5,16 +5,22 @@ package iplibrary
 import (
 	"bytes"
 	"encoding/binary"
+	"github.com/iwind/TeaGo/types"
 )
 
 type ipItem struct {
+	IPFrom uint64
+	IPTo   uint64
+
+	Region *ipRegion
+}
+
+type ipRegion struct {
 	CountryId  uint32
 	ProvinceId uint32
 	CityId     uint32
 	TownId     uint32
 	ProviderId uint32
-	IPFrom     uint64
-	IPTo       uint64
 }
 
 func (this *ipItem) AsBinary() ([]byte, error) {
@@ -25,3 +31,21 @@ func (this *ipItem) AsBinary() ([]byte, error) {
 	}
 	return buf.Bytes(), nil
 }
+
+func HashRegion(countryId uint32, provinceId uint32, cityId uint32, townId uint32, providerId uint32) string {
+	var providerHash = ""
+	if providerId > 0 {
+		providerHash = "_" + types.String(providerId)
+	}
+
+	if townId > 0 {
+		return "t" + types.String(townId) + providerHash
+	}
+	if cityId > 0 {
+		return "c" + types.String(cityId) + providerHash
+	}
+	if provinceId > 0 {
+		return "p" + types.String(provinceId) + providerHash
+	}
+	return "a" + types.String(countryId) + providerHash
+}