ducky/devices
2015-11-12
Parent:b6494e1a499e
ducky/devices/vendor/code.google.com/p/go-uuid/uuid/version1.go
Fix happy path test for getting devices. We forgot to create the Devices in the Storer tests, so our GetDevices happy path test was invalid. Add the call, and we're ok.
1 // Copyright 2011 Google Inc. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
5 package uuid
7 import (
8 "encoding/binary"
9 )
11 // NewUUID returns a Version 1 UUID based on the current NodeID and clock
12 // sequence, and the current time. If the NodeID has not been set by SetNodeID
13 // or SetNodeInterface then it will be set automatically. If the NodeID cannot
14 // be set NewUUID returns nil. If clock sequence has not been set by
15 // SetClockSequence then it will be set automatically. If GetTime fails to
16 // return the current NewUUID returns nil.
17 func NewUUID() UUID {
18 if nodeID == nil {
19 SetNodeInterface("")
20 }
22 now, seq, err := GetTime()
23 if err != nil {
24 return nil
25 }
27 uuid := make([]byte, 16)
29 time_low := uint32(now & 0xffffffff)
30 time_mid := uint16((now >> 32) & 0xffff)
31 time_hi := uint16((now >> 48) & 0x0fff)
32 time_hi |= 0x1000 // Version 1
34 binary.BigEndian.PutUint32(uuid[0:], time_low)
35 binary.BigEndian.PutUint16(uuid[4:], time_mid)
36 binary.BigEndian.PutUint16(uuid[6:], time_hi)
37 binary.BigEndian.PutUint16(uuid[8:], seq)
38 copy(uuid[10:], nodeID)
40 return uuid
41 }