2021-01-18 12:35:39 +08:00
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package utils
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import (
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"encoding/binary"
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2021-02-02 15:26:00 +08:00
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"github.com/cespare/xxhash"
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"math"
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2021-01-18 12:35:39 +08:00
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"net"
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2021-02-02 15:26:00 +08:00
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"strings"
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2021-01-18 12:35:39 +08:00
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)
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2021-07-20 19:01:37 +08:00
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// IP2Long 将IP转换为整型
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2021-02-02 15:26:00 +08:00
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// 注意IPv6没有顺序
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func IP2Long(ip string) uint64 {
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2021-02-02 19:32:19 +08:00
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if len(ip) == 0 {
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return 0
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}
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2021-01-18 12:35:39 +08:00
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s := net.ParseIP(ip)
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2021-02-02 19:32:19 +08:00
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if len(s) == 0 {
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2021-01-18 12:35:39 +08:00
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return 0
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}
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2021-02-02 15:26:00 +08:00
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if strings.Contains(ip, ":") {
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2021-02-02 19:32:19 +08:00
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return math.MaxUint32 + xxhash.Sum64(s)
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2021-01-18 12:35:39 +08:00
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}
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2021-02-02 15:26:00 +08:00
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return uint64(binary.BigEndian.Uint32(s.To4()))
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2021-01-18 12:35:39 +08:00
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}
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