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30 lines
509 B
Go
30 lines
509 B
Go
10 years ago
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package main
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import (
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"crypto/md5"
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"os"
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)
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var global struct {
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hostname string
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machineId []byte
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pid int
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idCounter uint32
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}
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func init() {
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global.pid = os.Getpid()
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var err error
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global.hostname, err = os.Hostname()
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if err != nil {
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panic("failed to get hostname: " + err.Error())
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}
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hw := md5.New()
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if _, err := hw.Write([]byte(global.hostname)); err != nil {
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panic("unable to md5 hostname: " + err.Error())
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}
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global.machineId = make([]byte, 3)
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copy(global.machineId, hw.Sum(nil))
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}
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