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22 lines
400 B
Go
22 lines
400 B
Go
package proxy
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import (
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"encoding/binary"
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"github.com/spaolacci/murmur3"
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"unsafe"
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)
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func Hash32_Bytes(b []byte) (uint32, error) {
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h := murmur3.New32()
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if _, err := h.Write(b); err != nil {
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return 0, err
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}
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return h.Sum32() & 0x7fffffff, nil
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}
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func Hash32_Uint64(v uint64) (uint32, error) {
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b := make([]byte, unsafe.Sizeof(v))
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binary.LittleEndian.PutUint64(b, v)
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return Hash32_Bytes(b)
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}
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