-
Notifications
You must be signed in to change notification settings - Fork 99
/
util.go
692 lines (591 loc) · 15.3 KB
/
util.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
package lib
import (
"bytes"
"fmt"
"hash"
"io/ioutil"
"math/rand"
"os"
"os/exec"
"os/user"
"path/filepath"
"runtime"
"strconv"
"strings"
"time"
oss "github.com/aliyun/aliyun-oss-go-sdk/oss"
)
var sys_name string
var sys_release string
var sys_machine string
func init() {
sys_name = runtime.GOOS
sys_release = "-"
sys_machine = runtime.GOARCH
if out, err := exec.Command("uname", "-s").CombinedOutput(); err == nil {
sys_name = string(bytes.TrimSpace(out))
}
if out, err := exec.Command("uname", "-r").CombinedOutput(); err == nil {
sys_release = string(bytes.TrimSpace(out))
}
if out, err := exec.Command("uname", "-m").CombinedOutput(); err == nil {
sys_machine = string(bytes.TrimSpace(out))
}
}
// Output print input string to stdout and add '\n'
func Output(str string) {
fmt.Println(str)
}
// FindPos find the elem position in a string array
func FindPos(elem string, elemArray []string) int {
for p, v := range elemArray {
if v == elem {
return p
}
}
return -1
}
// FindPosCaseInsen find the elem position in a string array, ignore case
func FindPosCaseInsen(elem string, elemArray []string) int {
for p, v := range elemArray {
if strings.EqualFold(v, elem) {
return p
}
}
return -1
}
func getBinaryPath() (string, string) {
filePath, _ := exec.LookPath(os.Args[0])
if path, err := os.Readlink(filePath); err == nil {
filePath = path
}
fileName := filepath.Base(filePath)
renameFilePath := ".temp_" + fileName
return filePath, renameFilePath
}
type sysInfo struct {
name string // 操作系统名称windows/Linux
release string // 操作系统版本 2.6.32-220.23.2.ali1089.el5.x86_64等
machine string // 机器类型amd64/x86_64
}
// Get system info
// 获取操作系统信息、机器类型
func getSysInfo() sysInfo {
return sysInfo{name: sys_name, release: sys_release, machine: sys_machine}
}
func getUserAgent() string {
sys := getSysInfo()
return fmt.Sprintf("aliyun-sdk-go/%s (%s/%s/%s;%s)/%s-%s", oss.Version, sys.name, sys.release, sys.machine, runtime.Version(), Package, Version)
}
func utcToLocalTime(utc time.Time) time.Time {
return utc.In(time.Local)
}
func max(a, b int64) int64 {
if a >= b {
return a
}
return b
}
func getSizeString(size int64) string {
prefix := ""
str := fmt.Sprintf("%d", size)
if size < 0 {
prefix = "-"
str = str[1:]
}
len := len(str)
strList := []string{}
i := len % 3
if i != 0 {
strList = append(strList, str[0:i])
}
for ; i < len; i += 3 {
strList = append(strList, str[i:i+3])
}
return fmt.Sprintf("%s%s", prefix, strings.Join(strList, ","))
}
// Returns a new slice containing all strings in the
// slice that satisfy the predicate `f`.
func filter(vs []string, f func(string) bool) []string {
vsf := make([]string, 0)
for _, v := range vs {
if f(v) {
vsf = append(vsf, v)
}
}
return vsf
}
// predicate `f` has 2 parameters
func filter2(vs []string, s string, f func(_, _ string) bool) []string {
vsf := make([]string, 0)
for _, v := range vs {
if f(v, s) {
vsf = append(vsf, v)
}
}
return vsf
}
func filterStr(v string, s string, f func(string, string) bool) bool {
return f(v, s)
}
func filterStrWithPattern(v, p string) bool {
_, name := filepath.Split(v)
res, _ := filepath.Match(p, name)
return res
}
func filterStrsWithPattern(vs []string, p string) []string {
vsf := make([]string, 0)
for _, v := range vs {
_, name := filepath.Split(v)
res, _ := filepath.Match(p, name)
if res {
vsf = append(vsf, v)
}
}
return vsf
}
func filterObjectsFromListResultWithPattern(lor oss.ListObjectsResult, pattern string) []string {
objs := make([]string, 0)
for _, obj := range lor.Objects {
objs = append(objs, obj.Key)
}
return filterStrsWithPattern(objs, pattern)
}
func filterObjectsFromChanWithPattern(srcCh <-chan string, pattern string, dstCh chan<- string) {
for obj := range srcCh {
if filterStrWithPattern(obj, pattern) {
dstCh <- obj
}
}
defer close(dstCh)
}
// Following for strings
func getFilter(cmdline []string) (bool, []filterOptionType) {
filters := make([]filterOptionType, 0)
for i, item := range cmdline {
var strTag = ""
if strings.Index(item, IncludePrompt) == 0 {
strTag = IncludePrompt
} else if strings.Index(item, ExcludePrompt) == 0 {
strTag = ExcludePrompt
}
if strTag != "" {
var filter filterOptionType
var strArg string
filter.name = strTag
if item == strTag {
strArg = cmdline[i+1]
} else if item[len(strTag)] == '=' {
strArg = item[len(strTag)+1:]
}
if strArg == "" {
continue
}
// To support standard glob
filter.pattern = strings.Replace(strArg, "[!", "[^", -1)
dir, _ := filepath.Split(filter.pattern)
if dir != "" {
return false, filters
}
filters = append(filters, filter)
}
}
return true, filters
}
func containsInStrsSlice(vs []string, t string) bool {
if len(vs) == 0 {
return false
}
for _, v := range vs {
if v == t {
return true
}
}
return false
}
func filterSingleStr(v, p string, include bool) bool {
_, name := filepath.Split(v)
res, _ := filepath.Match(p, name)
if include {
return res
} else {
return !res
}
}
func filterStrsWithInclude(vs []string, p string) []string {
vsf := make([]string, 0)
for _, v := range vs {
_, name := filepath.Split(v)
res, _ := filepath.Match(p, name)
if res {
vsf = append(vsf, v)
}
}
return vsf
}
func filterStrsWithExclude(vs []string, p string) []string {
vsf := make([]string, 0)
for _, v := range vs {
_, name := filepath.Split(v)
res, _ := filepath.Match(p, name)
if !res {
vsf = append(vsf, v)
}
}
return vsf
}
func matchFiltersForStr(str string, filters []filterOptionType) bool {
if len(filters) == 0 {
return true
}
var res bool
if filters[0].name == IncludePrompt {
res = filterSingleStr(str, filters[0].pattern, true)
} else {
res = filterSingleStr(str, filters[0].pattern, false)
}
for _, filter := range filters[1:] {
if filter.name == IncludePrompt {
res = res || filterSingleStr(str, filter.pattern, true)
} else {
res = res && filterSingleStr(str, filter.pattern, false)
}
}
return res
}
func matchFiltersForStrs(strs []string, filters []filterOptionType) []string {
if len(filters) == 0 {
return strs
}
vsf := make([]string, 0)
for _, str := range strs {
if matchFiltersForStr(str, filters) {
vsf = append(vsf, str)
}
}
return vsf
}
func matchFiltersForStrsInArray(strs []string, filters []filterOptionType) []string {
if len(filters) == 0 {
return strs
}
vsf := make([]string, 0)
if filters[0].name == IncludePrompt {
vsf = append(vsf, filterStrsWithInclude(strs, filters[0].pattern)...)
} else {
vsf = append(vsf, filterStrsWithExclude(strs, filters[0].pattern)...)
}
for _, filter := range filters[1:] {
if filter.name == IncludePrompt {
vsf = append(vsf, filterStrsWithInclude(strs, filter.pattern)...)
} else {
vsf = filterStrsWithExclude(vsf, filter.pattern)
}
}
return vsf
}
// Following for files
func doesSingleFileMatchPatterns(filename string, filters []filterOptionType) bool {
if len(filters) == 0 {
return true
}
files := []string{filename}
vsf := matchFiltersForStrs(files, filters)
if len(vsf) > 0 {
return true
}
return false
}
func containsInFileSlice(vs []fileInfoType, t fileInfoType) bool {
if len(vs) == 0 {
return false
}
for _, v := range vs {
if v == t {
return true
}
}
return false
}
func filterFilesWithInclude(vs []fileInfoType, p string) []fileInfoType {
vsf := make([]fileInfoType, 0)
for _, v := range vs {
_, filename := filepath.Split(v.filePath)
res, _ := filepath.Match(p, filename)
if res {
vsf = append(vsf, v)
}
}
return vsf
}
func filterFilesWithExclude(vs []fileInfoType, p string) []fileInfoType {
vsf := make([]fileInfoType, 0)
for _, v := range vs {
_, filename := filepath.Split(v.filePath)
res, _ := filepath.Match(p, filename)
if !res {
vsf = append(vsf, v)
}
}
return vsf
}
// Following for objects
func doesSingleObjectMatchPatterns(object string, filters []filterOptionType) bool {
if len(filters) == 0 {
return true
}
return doesSingleFileMatchPatterns(object, filters)
}
func getObjectsFromChanToArray(chObjects <-chan objectInfoType) []objectInfoType {
objects := make([]objectInfoType, 0)
for f := range chObjects {
objects = append(objects, f)
}
return objects
}
func filterObjectsWithInclude(vs []objectInfoType, p string) []objectInfoType {
vsf := make([]objectInfoType, 0)
for _, v := range vs {
_, key := filepath.Split(v.relativeKey)
//_, key := filepath.Split(v.key)
res, _ := filepath.Match(p, key)
if res {
vsf = append(vsf, v)
}
}
return vsf
}
func filterObjectsWithExclude(vs []objectInfoType, p string) []objectInfoType {
vsf := make([]objectInfoType, 0)
for _, v := range vs {
_, key := filepath.Split(v.relativeKey)
//_, key := filepath.Split(v.key)
res, _ := filepath.Match(p, key)
if !res {
vsf = append(vsf, v)
}
}
return vsf
}
func matchFiltersForObjects(objects []objectInfoType, filters []filterOptionType) []objectInfoType {
if len(filters) == 0 {
return objects
}
vsf := make([]objectInfoType, 0)
for i, filter := range filters {
if filter.name == IncludePrompt {
vsf = append(vsf, filterObjectsWithInclude(objects, filter.pattern)...)
} else {
if i == 0 {
vsf = append(vsf, filterObjectsWithExclude(objects, filter.pattern)...)
} else {
vsf = filterObjectsWithExclude(vsf, filter.pattern)
}
}
}
return vsf
}
func makeObjectChanFromArray(objects []objectInfoType, chObjs chan<- objectInfoType) {
for _, f := range objects {
chObjs <- f
}
}
func filterObjectsFromChanWithPatterns(chObjects <-chan objectInfoType, filters []filterOptionType, dstObjs chan<- objectInfoType) {
objects := getObjectsFromChanToArray(chObjects)
vsf := matchFiltersForObjects(objects, filters)
makeObjectChanFromArray(vsf, dstObjs)
defer close(dstObjs)
}
func GetCloudUrl(strlUrl, encodingType string) (*CloudURL, error) {
bucketUrL, err := StorageURLFromString(strlUrl, encodingType)
if err != nil {
return nil, err
}
if !bucketUrL.IsCloudURL() {
return nil, fmt.Errorf("parameter is not a cloud url,url is %s", bucketUrL.ToString())
}
cloudUrl := bucketUrL.(CloudURL)
if cloudUrl.bucket == "" {
return nil, fmt.Errorf("bucket name is empty,url is %s", bucketUrL.ToString())
}
return &cloudUrl, nil
}
func matchHash(fnvIns hash.Hash64, key string, modeValue int, countValue int) bool {
fnvIns.Reset()
fnvIns.Write([]byte(key))
if fnvIns.Sum64()%uint64(countValue) == uint64(modeValue) {
return true
}
return false
}
var letters = []rune("0123456789abcdefghijklmnopqrstuvwxyz")
func randStr(n int) string {
b := make([]rune, n)
r := rand.New(rand.NewSource(time.Now().UnixNano()))
for i := range b {
b[i] = letters[r.Intn(len(letters))]
}
return string(b)
}
func currentHomeDir() string {
homeDir := ""
homeDrive := os.Getenv("HOMEDRIVE")
homePath := os.Getenv("HOMEPATH")
if runtime.GOOS == "windows" && homeDrive != "" && homePath != "" {
homeDir = homeDrive + string(os.PathSeparator) + homePath
}
if homeDir != "" {
return homeDir
}
usr, _ := user.Current()
if usr != nil {
homeDir = usr.HomeDir
} else {
homeDir = os.Getenv("HOME")
}
return homeDir
}
func getCurrentDirFileListCommon(dpath string, chFiles chan<- fileInfoType, filters []filterOptionType) error {
if !strings.HasSuffix(dpath, string(os.PathSeparator)) {
dpath += string(os.PathSeparator)
}
fileList, err := ioutil.ReadDir(dpath)
if err != nil {
return err
}
for _, fileInfo := range fileList {
if !fileInfo.IsDir() {
realInfo, errF := os.Stat(dpath + fileInfo.Name())
if errF == nil && realInfo.IsDir() {
// for symlink
continue
}
if doesSingleFileMatchPatterns(fileInfo.Name(), filters) {
chFiles <- fileInfoType{fileInfo.Name(), dpath}
}
}
}
return nil
}
func getFileListCommon(dpath string, chFiles chan<- fileInfoType, onlyCurrentDir bool, disableAllSymlink bool,
enableSymlinkDir bool, filters []filterOptionType) error {
defer close(chFiles)
if onlyCurrentDir {
return getCurrentDirFileListCommon(dpath, chFiles, filters)
}
name := dpath
symlinkDiretorys := []string{dpath}
walkFunc := func(fpath string, f os.FileInfo, err error) error {
if f == nil {
return err
}
dpath = filepath.Clean(dpath)
fpath = filepath.Clean(fpath)
fileName, err := filepath.Rel(dpath, fpath)
if err != nil {
return fmt.Errorf("list file error: %s, info: %s", fpath, err.Error())
}
if f.IsDir() {
if fpath != dpath {
if strings.HasSuffix(fileName, "\\") || strings.HasSuffix(fileName, "/") {
chFiles <- fileInfoType{fileName, name}
} else {
chFiles <- fileInfoType{fileName + string(os.PathSeparator), name}
}
}
return nil
}
if disableAllSymlink && (f.Mode()&os.ModeSymlink) != 0 {
return nil
}
if enableSymlinkDir && (f.Mode()&os.ModeSymlink) != 0 {
// there is difference between os.Stat and os.Lstat in filepath.Walk
realInfo, err := os.Stat(fpath)
if err != nil {
return err
}
if realInfo.IsDir() {
// it's symlink dir
// if linkDir has suffix os.PathSeparator,os.Lstat determine it is a dir
if !strings.HasSuffix(name, string(os.PathSeparator)) {
name += string(os.PathSeparator)
}
linkDir := name + fileName + string(os.PathSeparator)
symlinkDiretorys = append(symlinkDiretorys, linkDir)
return nil
}
}
if doesSingleFileMatchPatterns(fileName, filters) {
chFiles <- fileInfoType{fileName, name}
}
return nil
}
var err error
for {
symlinks := symlinkDiretorys
symlinkDiretorys = []string{}
for _, v := range symlinks {
err = filepath.Walk(v, walkFunc)
if err != nil {
return err
}
}
if len(symlinkDiretorys) == 0 {
break
}
}
return err
}
func getObjectListCommon(bucket *oss.Bucket, cloudURL CloudURL, chObjects chan<- objectInfoType,
onlyCurrentDir bool, filters []filterOptionType, payerOptions []oss.Option) error {
defer close(chObjects)
pre := oss.Prefix(cloudURL.object)
marker := oss.Marker("")
//while the src object is end with "/", use object key as marker, exclude the object itself
if strings.HasSuffix(cloudURL.object, "/") {
marker = oss.Marker(cloudURL.object)
}
del := oss.Delimiter("")
if onlyCurrentDir {
del = oss.Delimiter("/")
}
listOptions := append(payerOptions, pre, marker, del, oss.MaxKeys(1000))
for {
lor, err := bucket.ListObjects(listOptions...)
if err != nil {
return err
}
for _, object := range lor.Objects {
prefix := ""
relativeKey := object.Key
index := strings.LastIndex(cloudURL.object, "/")
if index > 0 {
prefix = object.Key[:index+1]
relativeKey = object.Key[index+1:]
}
if doesSingleObjectMatchPatterns(object.Key, filters) {
if strings.ToLower(object.Type) == "symlink" {
props, err := bucket.GetObjectDetailedMeta(object.Key, payerOptions...)
if err != nil {
LogError("ossGetObjectStatRetry error info:%s\n", err.Error())
return err
}
size, err := strconv.ParseInt(props.Get(oss.HTTPHeaderContentLength), 10, 64)
if err != nil {
LogError("strconv.ParseInt error info:%s\n", err.Error())
return err
}
object.Size = size
}
chObjects <- objectInfoType{prefix, relativeKey, int64(object.Size), object.LastModified}
}
}
pre = oss.Prefix(lor.Prefix)
marker = oss.Marker(lor.NextMarker)
listOptions = append(payerOptions, pre, marker, oss.MaxKeys(1000))
if !lor.IsTruncated {
break
}
}
return nil
}