51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
package domain64
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type Domain64 struct {
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// The TLD is FF
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TLD int64
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// The Domain is FFFFFF, so the uint16 is the closest we'll get
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Domain int64
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// Subdomains are FF
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Subdomain int64
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// Paths are, again, FFFFFF
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Path int64
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}
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/*
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```mermaid
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packet-beta
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0-7: "FF | TLD"
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8-31: "FFFFFF | Domain"
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32-39: "FF | Subdomain"
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40-63: "FFFFFF | Path"
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```
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*/
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const SHIFT_TLD = (64 - 8)
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const SHIFT_DOMAIN = (64 - (8 + 24))
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const SHIFT_SUBDOMAIN = (64 - (8 + 24 + 8))
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const SHIFT_PATH = (64 - (8 + 24 + 8 + 24))
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const MASK_TLD = 0xFF0000000000000
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const MASK_DOMAIN = 0x00FFFFFF00000000
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const MASK_SUBDOMAIN = 0x00000000FF000000
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const MASK_PATH = 0x0000000000FFFFFF
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func (d64 Domain64) ToInt64() int64 {
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var result int64 = 0
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result = result | (int64(d64.TLD) << SHIFT_TLD)
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result = result | (int64(d64.Domain) << SHIFT_DOMAIN)
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result = result | (int64(d64.Subdomain) << SHIFT_SUBDOMAIN)
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result = result | (int64(d64.Path) << SHIFT_PATH)
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return result
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}
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func IntToDomain64(i int64) Domain64 {
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d64 := Domain64{}
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d64.TLD = (i & MASK_TLD) >> SHIFT_TLD
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d64.Domain = (i & MASK_DOMAIN) >> SHIFT_DOMAIN
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d64.Subdomain = (i & MASK_SUBDOMAIN) >> SHIFT_SUBDOMAIN
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d64.Path = i & MASK_PATH
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return d64
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}
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