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improve package guid

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This commit is contained in:
John Guo 2022-04-19 16:18:49 +08:00
parent 7fd0e5b3bc
commit ac5d399906
2 changed files with 5 additions and 5 deletions
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2
encoding/ghash/ghash_z_bench_test.go
View File

@ -48,7 +48,7 @@ func Benchmark_RS(b *testing.B) {
}
}
func Benchmark_SRS64(b *testing.B) {
func Benchmark_RS64(b *testing.B) {
for i := 0; i < b.N; i++ {
ghash.RS64(str)
}

8
util/guid/guid.go
View File

@ -40,7 +40,7 @@ func init() {
macAddrBytes = append(macAddrBytes, []byte(mac)...)
}
b := []byte{'0', '0', '0', '0', '0', '0', '0'}
s := strconv.FormatUint(uint64(ghash.DJB(macAddrBytes)), 36)
s := strconv.FormatUint(uint64(ghash.SDBM(macAddrBytes)), 36)
copy(b, s)
macAddrStr = string(b)
}
@ -63,8 +63,8 @@ func init() {
// be token by random string.
//
// The returned string is composed with:
// 1. Default: MAC(7) + PID(4) + TimestampNano(12) + Sequence(3) + RandomString(6)
// 2. CustomData: Data(7/14) + TimestampNano(12) + Sequence(3) + RandomString(3/10)
// 1. Default: MACHash(7) + PID(4) + TimestampNano(12) + Sequence(3) + RandomString(6)
// 2. CustomData: DataHash(7/14) + TimestampNano(12) + Sequence(3) + RandomString(3/10)
//
// Note that：
// 1. The returned length is fixed to 32 bytes for performance purpose.
@ -129,7 +129,7 @@ func getRandomStr(n int) []byte {
// getDataHashStr creates and returns hash bytes in 7 bytes with given data bytes.
func getDataHashStr(data []byte) []byte {
b := []byte{'0', '0', '0', '0', '0', '0', '0'}
s := strconv.FormatUint(uint64(ghash.DJB(data)), 36)
s := strconv.FormatUint(uint64(ghash.SDBM(data)), 36)
copy(b, s)
return b
}