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30 lines
529 B
Go

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