mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
2338f747bf
etcd currently generates a few UUID style identifiers using approaches like `fmt.Sprintf("client-%s", strconv.FormatInt(time.Now().UnixNano(), 36))`.
But these can collide on machine architectures with larger timestamp steps (see https://github.com/etcd-io/etcd/issues/10035).
38 lines
895 B
Go
38 lines
895 B
Go
// Copyright 2016 Google Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package uuid
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import "fmt"
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// MarshalText implements encoding.TextMarshaler.
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func (uuid UUID) MarshalText() ([]byte, error) {
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var js [36]byte
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encodeHex(js[:], uuid)
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return js[:], nil
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}
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// UnmarshalText implements encoding.TextUnmarshaler.
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func (uuid *UUID) UnmarshalText(data []byte) error {
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id, err := ParseBytes(data)
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if err == nil {
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*uuid = id
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}
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return err
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}
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// MarshalBinary implements encoding.BinaryMarshaler.
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func (uuid UUID) MarshalBinary() ([]byte, error) {
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return uuid[:], nil
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}
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// UnmarshalBinary implements encoding.BinaryUnmarshaler.
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func (uuid *UUID) UnmarshalBinary(data []byte) error {
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if len(data) != 16 {
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return fmt.Errorf("invalid UUID (got %d bytes)", len(data))
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}
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copy(uuid[:], data)
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return nil
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}
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