59 lines
980 B
Go
59 lines
980 B
Go
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package converter
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import (
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"strconv"
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"strings"
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)
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func CidrToInt64(cidr string) int64 {
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bits := strings.Split(cidr, ".")
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b0, _ := strconv.Atoi(bits[0])
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b1, _ := strconv.Atoi(bits[1])
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b2, _ := strconv.Atoi(bits[2])
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//b3, _ := strconv.Atoi(bits[3])
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masks := strings.Split(bits[3], "/")
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bb3 := masks[0]
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bb4 := masks[1]
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b3, _ := strconv.Atoi(bb3)
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b4, _ := strconv.Atoi(bb4)
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var sum int64
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sum += int64(b0) << 32
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sum += int64(b1) << 24
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sum += int64(b2) << 16
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sum += int64(b3) << 8
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sum += int64(b4)
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return sum
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}
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func Int64ToCidr(cidrInt int64) string {
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c1 := cidrInt & 0xFF
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c2 := (cidrInt >> 8) & 0xFF
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c3 := (cidrInt >> 16) & 0xFF
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c4 := (cidrInt >> 24) & 0xFF
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c5 := (cidrInt >> 32) & 0xFF
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var cidr string
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cidr += strconv.FormatInt(c5, 10)
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cidr += "."
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cidr += strconv.FormatInt(c4, 10)
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cidr += "."
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cidr += strconv.FormatInt(c3, 10)
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cidr += "."
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cidr += strconv.FormatInt(c2, 10)
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cidr += "/"
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cidr += strconv.FormatInt(c1, 10)
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return cidr
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}
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