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keystore.go
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keystore.go
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// Copyright (c) 2023, donnie <donnie4w@gmail.com>
// All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//
// github.com/donnie4w/wfs
//
package keystore
import (
"bytes"
"fmt"
"os"
"strconv"
"github.com/donnie4w/wfs/sys"
. "github.com/donnie4w/gofer/keystore"
. "github.com/donnie4w/gofer/util"
)
func init() {
sys.KeyStoreInit = Init
}
func Init(dir string) {
if dir == "" {
dir, _ = os.Getwd()
}
if err := InitAdmin(dir + "/logs"); err != nil {
fmt.Println("keystore init failed:", err.Error())
sys.Wfs.Close()
os.Exit(1)
}
sys.FmtLog("wfs", sys.VERSION, " uuid[", sys.UUID, "]")
}
func InitAdmin(dir string) (err error) {
if KeyStore, err = NewKeyStore(dir, "keystore.tdb"); err == nil {
Admin.Load()
if v, ok := Admin.GetOther("WFSUUID"); ok {
id, _ := strconv.ParseUint(v, 10, 64)
sys.UUID = int64(id)
} else {
sys.UUID = int64(uuid())
Admin.PutOther("WFSUUID", fmt.Sprint(sys.UUID))
}
}
return
}
func LoadAdmin(dir string) (err error) {
if KeyStore, err = LoadKeyStore(dir, "keystore.tdb"); err == nil {
Admin.Load()
}
return
}
func uuid() uint32 {
buf := bytes.NewBuffer([]byte{})
buf.Write(Int64ToBytes(int64(os.Getpid())))
for i := 0; i < 100; i++ {
buf.Write(Int64ToBytes(RandId()))
}
if _r, err := RandStrict(1 << 31); err == nil && _r > 0 {
buf.Write(Int64ToBytes(_r))
}
return CRC32(buf.Bytes())
}