root / trunk / Pithos.Core / PithosMonitor.cs @ c636df1f
History | View | Annotate | Download (20.6 kB)
1 |
#region |
---|---|
2 |
/* ----------------------------------------------------------------------- |
3 |
* <copyright file="PithosMonitor.cs" company="GRNet"> |
4 |
* |
5 |
* Copyright 2011-2012 GRNET S.A. All rights reserved. |
6 |
* |
7 |
* Redistribution and use in source and binary forms, with or |
8 |
* without modification, are permitted provided that the following |
9 |
* conditions are met: |
10 |
* |
11 |
* 1. Redistributions of source code must retain the above |
12 |
* copyright notice, this list of conditions and the following |
13 |
* disclaimer. |
14 |
* |
15 |
* 2. Redistributions in binary form must reproduce the above |
16 |
* copyright notice, this list of conditions and the following |
17 |
* disclaimer in the documentation and/or other materials |
18 |
* provided with the distribution. |
19 |
* |
20 |
* |
21 |
* THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS |
22 |
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
23 |
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
24 |
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR |
25 |
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
26 |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
27 |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
28 |
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
29 |
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
30 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
31 |
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
32 |
* POSSIBILITY OF SUCH DAMAGE. |
33 |
* |
34 |
* The views and conclusions contained in the software and |
35 |
* documentation are those of the authors and should not be |
36 |
* interpreted as representing official policies, either expressed |
37 |
* or implied, of GRNET S.A. |
38 |
* </copyright> |
39 |
* ----------------------------------------------------------------------- |
40 |
*/ |
41 |
#endregion |
42 |
using System; |
43 |
using System.Collections.Generic; |
44 |
using System.ComponentModel.Composition; |
45 |
using System.Diagnostics.Contracts; |
46 |
using System.IO; |
47 |
using System.Linq; |
48 |
using System.Threading; |
49 |
using System.Threading.Tasks; |
50 |
using Pithos.Core.Agents; |
51 |
using Pithos.Interfaces; |
52 |
using Pithos.Network; |
53 |
using log4net; |
54 |
|
55 |
namespace Pithos.Core |
56 |
{ |
57 |
[Export(typeof(PithosMonitor))] |
58 |
public class PithosMonitor:IDisposable |
59 |
{ |
60 |
private int _blockSize; |
61 |
private string _blockHash; |
62 |
|
63 |
[Import] |
64 |
public IPithosSettings Settings{get;set;} |
65 |
|
66 |
private IStatusKeeper _statusKeeper; |
67 |
|
68 |
[Import] |
69 |
public IStatusKeeper StatusKeeper |
70 |
{ |
71 |
get { return _statusKeeper; } |
72 |
set |
73 |
{ |
74 |
_statusKeeper = value; |
75 |
FileAgent.StatusKeeper = value; |
76 |
} |
77 |
} |
78 |
|
79 |
|
80 |
private IPithosWorkflow _workflow; |
81 |
|
82 |
[Import] |
83 |
public IPithosWorkflow Workflow |
84 |
{ |
85 |
get { return _workflow; } |
86 |
set |
87 |
{ |
88 |
_workflow = value; |
89 |
FileAgent.Workflow = value; |
90 |
} |
91 |
} |
92 |
|
93 |
public ICloudClient CloudClient { get; set; } |
94 |
|
95 |
public IStatusNotification StatusNotification { get; set; } |
96 |
|
97 |
//[Import] |
98 |
public FileAgent FileAgent { get; private set; } |
99 |
|
100 |
private WorkflowAgent _workflowAgent; |
101 |
|
102 |
[Import] |
103 |
public WorkflowAgent WorkflowAgent |
104 |
{ |
105 |
get { return _workflowAgent; } |
106 |
set |
107 |
{ |
108 |
_workflowAgent = value; |
109 |
FileAgent.WorkflowAgent = value; |
110 |
} |
111 |
} |
112 |
|
113 |
[Import] |
114 |
public NetworkAgent NetworkAgent { get; set; } |
115 |
[Import] |
116 |
public PollAgent PollAgent { get; set; } |
117 |
|
118 |
public string UserName { get; set; } |
119 |
private string _apiKey; |
120 |
public string ApiKey |
121 |
{ |
122 |
get { return _apiKey; } |
123 |
set |
124 |
{ |
125 |
_apiKey = value; |
126 |
if (_accountInfo != null) |
127 |
_accountInfo.Token = value; |
128 |
} |
129 |
} |
130 |
|
131 |
private AccountInfo _accountInfo; |
132 |
|
133 |
|
134 |
|
135 |
|
136 |
private static readonly ILog Log = LogManager.GetLogger(typeof(PithosMonitor)); |
137 |
|
138 |
|
139 |
public bool Pause |
140 |
{ |
141 |
get { return FileAgent.Pause; } |
142 |
set |
143 |
{ |
144 |
FileAgent.Pause = value; |
145 |
if (value) |
146 |
{ |
147 |
StatusKeeper.SetPithosStatus(PithosStatus.SyncPaused); |
148 |
StatusNotification.NotifyChange("Paused"); |
149 |
} |
150 |
else |
151 |
{ |
152 |
StatusKeeper.SetPithosStatus(PithosStatus.InSynch); |
153 |
StatusNotification.NotifyChange("Synchronizing"); |
154 |
} |
155 |
} |
156 |
} |
157 |
|
158 |
private string _rootPath; |
159 |
public string RootPath |
160 |
{ |
161 |
get { return _rootPath; } |
162 |
set |
163 |
{ |
164 |
_rootPath = String.IsNullOrWhiteSpace(value) |
165 |
? String.Empty |
166 |
: value.ToLower(); |
167 |
} |
168 |
} |
169 |
|
170 |
|
171 |
CancellationTokenSource _cancellationSource; |
172 |
|
173 |
public PithosMonitor() |
174 |
{ |
175 |
FileAgent = new FileAgent(); |
176 |
|
177 |
} |
178 |
private bool _started; |
179 |
|
180 |
public void Start() |
181 |
{ |
182 |
if (String.IsNullOrWhiteSpace(ApiKey)) |
183 |
throw new InvalidOperationException("The ApiKey is empty"); |
184 |
if (String.IsNullOrWhiteSpace(UserName)) |
185 |
throw new InvalidOperationException("The UserName is empty"); |
186 |
if (String.IsNullOrWhiteSpace(AuthenticationUrl)) |
187 |
throw new InvalidOperationException("The Authentication url is empty"); |
188 |
Contract.EndContractBlock(); |
189 |
|
190 |
//If the account doesn't have a valid path, don't start monitoring but don't throw either |
191 |
if (String.IsNullOrWhiteSpace(RootPath)) |
192 |
//TODO; Warn user? |
193 |
return; |
194 |
|
195 |
WorkflowAgent.StatusNotification = StatusNotification; |
196 |
|
197 |
StatusNotification.NotifyChange("Starting"); |
198 |
if (_started) |
199 |
{ |
200 |
if (!_cancellationSource.IsCancellationRequested) |
201 |
return; |
202 |
} |
203 |
_cancellationSource = new CancellationTokenSource(); |
204 |
|
205 |
|
206 |
CloudClient = new CloudFilesClient(UserName, ApiKey) |
207 |
{UsePithos = true, AuthenticationUrl = AuthenticationUrl}; |
208 |
|
209 |
|
210 |
_accountInfo = CloudClient.Authenticate(); |
211 |
_accountInfo.SiteUri = AuthenticationUrl; |
212 |
_accountInfo.AccountPath = RootPath; |
213 |
|
214 |
|
215 |
var pithosFolder = Path.Combine(RootPath, FolderConstants.PithosContainer); |
216 |
if (!Directory.Exists(pithosFolder)) |
217 |
Directory.CreateDirectory(pithosFolder); |
218 |
//Create the cache folder and ensure it is hidden |
219 |
CreateHiddenFolder(RootPath, FolderConstants.CacheFolder); |
220 |
|
221 |
var policy=CloudClient.GetAccountPolicies(_accountInfo); |
222 |
|
223 |
StatusNotification.NotifyAccount(policy); |
224 |
EnsurePithosContainers(); |
225 |
|
226 |
StatusKeeper.BlockHash = _blockHash; |
227 |
StatusKeeper.BlockSize = _blockSize; |
228 |
|
229 |
StatusKeeper.StartProcessing(_cancellationSource.Token); |
230 |
IndexLocalFiles(); |
231 |
//Extract the URIs from the string collection |
232 |
var settings = Settings.Accounts.First(s => s.AccountName == _accountInfo.UserName); |
233 |
var selectiveUrls=settings.SelectiveFolders.Cast<string>().Select(url => new Uri(url)).ToArray(); |
234 |
|
235 |
SetSelectivePaths(selectiveUrls,null,null); |
236 |
|
237 |
StartWatcherAgent(); |
238 |
|
239 |
StartNetworkAgent(); |
240 |
|
241 |
WorkflowAgent.RestartInterruptedFiles(_accountInfo); |
242 |
_started = true; |
243 |
} |
244 |
|
245 |
private void EnsurePithosContainers() |
246 |
{ |
247 |
|
248 |
//Create the two default containers if they are missing |
249 |
var pithosContainers = new List<string>{ FolderConstants.TrashContainer,FolderConstants.PithosContainer}; |
250 |
foreach (var container in pithosContainers) |
251 |
{ |
252 |
var info=CloudClient.GetContainerInfo(UserName, container); |
253 |
if (info == ContainerInfo.Empty) |
254 |
{ |
255 |
CloudClient.CreateContainer(UserName, container); |
256 |
info = CloudClient.GetContainerInfo(UserName, container); |
257 |
} |
258 |
_blockSize = info.BlockSize; |
259 |
_blockHash = info.BlockHash; |
260 |
_accountInfo.BlockSize = _blockSize; |
261 |
_accountInfo.BlockHash = _blockHash; |
262 |
} |
263 |
} |
264 |
|
265 |
public string AuthenticationUrl { get; set; } |
266 |
|
267 |
private void IndexLocalFiles() |
268 |
{ |
269 |
StatusNotification.NotifyChange("Indexing Local Files"); |
270 |
using (ThreadContext.Stacks["Monitor"].Push("Indexing local files")) |
271 |
{ |
272 |
Log.Info("START"); |
273 |
try |
274 |
{ |
275 |
var cachePath = Path.Combine(RootPath, FolderConstants.CacheFolder); |
276 |
var directory = new DirectoryInfo(RootPath); |
277 |
var files = |
278 |
from file in directory.EnumerateFiles("*", SearchOption.AllDirectories) |
279 |
where !file.FullName.StartsWith(cachePath, StringComparison.InvariantCultureIgnoreCase) && |
280 |
!file.Extension.Equals("ignore", StringComparison.InvariantCultureIgnoreCase) |
281 |
select file; |
282 |
StatusKeeper.ProcessExistingFiles(files); |
283 |
|
284 |
} |
285 |
catch (Exception exc) |
286 |
{ |
287 |
Log.Error("[ERROR]", exc); |
288 |
} |
289 |
finally |
290 |
{ |
291 |
Log.Info("[END]"); |
292 |
} |
293 |
} |
294 |
} |
295 |
|
296 |
|
297 |
|
298 |
|
299 |
|
300 |
/* private void StartWorkflowAgent() |
301 |
{ |
302 |
WorkflowAgent.StatusNotification = StatusNotification; |
303 |
|
304 |
/* //On Vista and up we can check for a network connection |
305 |
bool connected=Environment.OSVersion.Version.Major < 6 || NetworkListManager.IsConnectedToInternet; |
306 |
//If we are not connected retry later |
307 |
if (!connected) |
308 |
{ |
309 |
Task.Factory.StartNewDelayed(10000, StartWorkflowAgent); |
310 |
return; |
311 |
}#1# |
312 |
|
313 |
try |
314 |
{ |
315 |
WorkflowAgent.Start(); |
316 |
} |
317 |
catch (Exception) |
318 |
{ |
319 |
//Faild to authenticate due to network or account error |
320 |
//Retry after a while |
321 |
Task.Factory.StartNewDelayed(10000, StartWorkflowAgent); |
322 |
} |
323 |
}*/ |
324 |
|
325 |
internal class LocalFileComparer:EqualityComparer<CloudAction> |
326 |
{ |
327 |
public override bool Equals(CloudAction x, CloudAction y) |
328 |
{ |
329 |
if (x.Action != y.Action) |
330 |
return false; |
331 |
if (x.LocalFile != null && y.LocalFile != null && !x.LocalFile.FullName.Equals(y.LocalFile.FullName)) |
332 |
return false; |
333 |
if (x.CloudFile != null && y.CloudFile != null ) |
334 |
{ |
335 |
if (x.CloudFile.Hash == null & y.CloudFile.Hash != null) |
336 |
return false; |
337 |
if (x.CloudFile.Hash != null & y.CloudFile.Hash == null) |
338 |
return false; |
339 |
if (x.CloudFile.Hash == null & y.CloudFile.Hash == null) |
340 |
return (x.CloudFile.Name == y.CloudFile.Name); |
341 |
if (!x.CloudFile.Hash.Equals(y.CloudFile.Hash)) |
342 |
return false; |
343 |
} |
344 |
if (x.CloudFile == null ^ y.CloudFile == null || |
345 |
x.LocalFile == null ^ y.LocalFile == null) |
346 |
return false; |
347 |
return true; |
348 |
} |
349 |
|
350 |
public override int GetHashCode(CloudAction obj) |
351 |
{ |
352 |
if (obj == null) |
353 |
return 0; |
354 |
var hash1 = (obj.LocalFile == null) ? int.MaxValue : obj.LocalFile.FullName.GetHashCode(); |
355 |
var hash2 = (obj.CloudFile == null) ? int.MaxValue : (obj.CloudFile.Hash ?? obj.CloudFile.Name??"").GetHashCode(); |
356 |
var hash3 = obj.Action.GetHashCode(); |
357 |
return hash1 ^ hash2 & hash3; |
358 |
} |
359 |
} |
360 |
|
361 |
private void StartNetworkAgent() |
362 |
{ |
363 |
|
364 |
NetworkAgent.AddAccount(_accountInfo); |
365 |
|
366 |
NetworkAgent.StatusNotification = StatusNotification; |
367 |
|
368 |
NetworkAgent.Start(); |
369 |
|
370 |
PollAgent.AddAccount(_accountInfo); |
371 |
|
372 |
PollAgent.StatusNotification = StatusNotification; |
373 |
|
374 |
PollAgent.PollRemoteFiles(); |
375 |
} |
376 |
|
377 |
//Make sure a hidden cache folder exists to store partial downloads |
378 |
private static void CreateHiddenFolder(string rootPath, string folderName) |
379 |
{ |
380 |
if (String.IsNullOrWhiteSpace(rootPath)) |
381 |
throw new ArgumentNullException("rootPath"); |
382 |
if (!Path.IsPathRooted(rootPath)) |
383 |
throw new ArgumentException("rootPath"); |
384 |
if (String.IsNullOrWhiteSpace(folderName)) |
385 |
throw new ArgumentNullException("folderName"); |
386 |
Contract.EndContractBlock(); |
387 |
|
388 |
var folder = Path.Combine(rootPath, folderName); |
389 |
if (!Directory.Exists(folder)) |
390 |
{ |
391 |
var info = Directory.CreateDirectory(folder); |
392 |
info.Attributes |= FileAttributes.Hidden; |
393 |
|
394 |
Log.InfoFormat("Created cache Folder: {0}", folder); |
395 |
} |
396 |
else |
397 |
{ |
398 |
var info = new DirectoryInfo(folder); |
399 |
if ((info.Attributes & FileAttributes.Hidden) == 0) |
400 |
{ |
401 |
info.Attributes |= FileAttributes.Hidden; |
402 |
Log.InfoFormat("Reset cache folder to hidden: {0}", folder); |
403 |
} |
404 |
} |
405 |
} |
406 |
|
407 |
|
408 |
|
409 |
|
410 |
private void StartWatcherAgent() |
411 |
{ |
412 |
AgentLocator<FileAgent>.Register(FileAgent,RootPath); |
413 |
|
414 |
FileAgent.StatusKeeper = StatusKeeper; |
415 |
FileAgent.Workflow = Workflow; |
416 |
FileAgent.CachePath = Path.Combine(RootPath, FolderConstants.CacheFolder); |
417 |
FileAgent.Start(_accountInfo, RootPath); |
418 |
} |
419 |
|
420 |
public void Stop() |
421 |
{ |
422 |
AgentLocator<FileAgent>.Remove(RootPath); |
423 |
|
424 |
if (FileAgent!=null) |
425 |
FileAgent.Stop(); |
426 |
FileAgent = null; |
427 |
} |
428 |
|
429 |
|
430 |
~PithosMonitor() |
431 |
{ |
432 |
Dispose(false); |
433 |
} |
434 |
|
435 |
public void Dispose() |
436 |
{ |
437 |
Dispose(true); |
438 |
GC.SuppressFinalize(this); |
439 |
} |
440 |
|
441 |
protected virtual void Dispose(bool disposing) |
442 |
{ |
443 |
if (disposing) |
444 |
{ |
445 |
Stop(); |
446 |
} |
447 |
} |
448 |
|
449 |
|
450 |
public void MoveFileStates(string oldPath, string newPath) |
451 |
{ |
452 |
if (String.IsNullOrWhiteSpace(oldPath)) |
453 |
throw new ArgumentNullException("oldPath"); |
454 |
if (!Path.IsPathRooted(oldPath)) |
455 |
throw new ArgumentException("oldPath must be an absolute path","oldPath"); |
456 |
if (string.IsNullOrWhiteSpace(newPath)) |
457 |
throw new ArgumentNullException("newPath"); |
458 |
if (!Path.IsPathRooted(newPath)) |
459 |
throw new ArgumentException("newPath must be an absolute path","newPath"); |
460 |
Contract.EndContractBlock(); |
461 |
|
462 |
StatusKeeper.ChangeRoots(oldPath, newPath); |
463 |
} |
464 |
|
465 |
public void SetSelectivePaths(Uri[] uris,Uri[] added, Uri[] removed) |
466 |
{ |
467 |
//Convert the uris to paths |
468 |
var selectivePaths = UrisToFilePaths(uris); |
469 |
|
470 |
FileAgent.SelectivePaths=selectivePaths; |
471 |
PollAgent.SetSyncUris(uris); |
472 |
|
473 |
var removedPaths = UrisToFilePaths(removed); |
474 |
UnversionSelectivePaths(removedPaths); |
475 |
|
476 |
} |
477 |
|
478 |
/// <summary> |
479 |
/// Mark all unselected paths as Unversioned |
480 |
/// </summary> |
481 |
/// <param name="removed"></param> |
482 |
private void UnversionSelectivePaths(List<string> removed) |
483 |
{ |
484 |
if (removed == null) |
485 |
return; |
486 |
|
487 |
//Ensure we remove any file state below the deleted folders |
488 |
FileState.UnversionPaths(removed); |
489 |
} |
490 |
|
491 |
|
492 |
/// <summary> |
493 |
/// Return a list of absolute filepaths from a list of Uris |
494 |
/// </summary> |
495 |
/// <param name="uris"></param> |
496 |
/// <returns></returns> |
497 |
private List<string> UrisToFilePaths(IEnumerable<Uri> uris) |
498 |
{ |
499 |
if (uris == null) |
500 |
return new List<string>(); |
501 |
|
502 |
return (from uri in uris |
503 |
let relativePath = _accountInfo.StorageUri |
504 |
.MakeRelativeUri(uri) |
505 |
.RelativeUriToFilePath() |
506 |
//Trim the account name |
507 |
select Path.Combine(RootPath, relativePath.After(_accountInfo.UserName + '\\'))).ToList(); |
508 |
} |
509 |
|
510 |
|
511 |
public ObjectInfo GetObjectInfo(string filePath) |
512 |
{ |
513 |
if (String.IsNullOrWhiteSpace(filePath)) |
514 |
throw new ArgumentNullException("filePath"); |
515 |
Contract.EndContractBlock(); |
516 |
|
517 |
var file=new FileInfo(filePath); |
518 |
string relativeUrl;//=file.AsRelativeUrlTo(this.RootPath); |
519 |
var relativePath = file.AsRelativeTo(RootPath); |
520 |
|
521 |
string accountName,container; |
522 |
|
523 |
var parts=relativePath.Split('\\'); |
524 |
|
525 |
var accountInfo = _accountInfo; |
526 |
if (relativePath.StartsWith(FolderConstants.OthersFolder)) |
527 |
{ |
528 |
accountName = parts[1]; |
529 |
container = parts[2]; |
530 |
relativeUrl = String.Join("/", parts.Splice(3)); |
531 |
//Create the root URL for the target account |
532 |
var oldName = UserName; |
533 |
var absoluteUri = _accountInfo.StorageUri.AbsoluteUri; |
534 |
var nameIndex=absoluteUri.IndexOf(oldName, StringComparison.Ordinal); |
535 |
var root=absoluteUri.Substring(0, nameIndex); |
536 |
|
537 |
accountInfo = new AccountInfo |
538 |
{ |
539 |
UserName = accountName, |
540 |
AccountPath = Path.Combine(accountInfo.AccountPath, parts[0], parts[1]), |
541 |
StorageUri = new Uri(root + accountName), |
542 |
BlockHash=accountInfo.BlockHash, |
543 |
BlockSize=accountInfo.BlockSize, |
544 |
Token=accountInfo.Token |
545 |
}; |
546 |
} |
547 |
else |
548 |
{ |
549 |
accountName = UserName; |
550 |
container = parts[0]; |
551 |
relativeUrl = String.Join("/", parts.Splice(1)); |
552 |
} |
553 |
|
554 |
var client = new CloudFilesClient(accountInfo); |
555 |
var objectInfo=client.GetObjectInfo(accountName, container, relativeUrl); |
556 |
return objectInfo; |
557 |
} |
558 |
|
559 |
public Task<ContainerInfo> GetContainerInfo(string filePath) |
560 |
{ |
561 |
if (String.IsNullOrWhiteSpace(filePath)) |
562 |
throw new ArgumentNullException("filePath"); |
563 |
Contract.EndContractBlock(); |
564 |
|
565 |
var file=new FileInfo(filePath); |
566 |
var relativePath = file.AsRelativeTo(RootPath); |
567 |
|
568 |
string accountName,container; |
569 |
|
570 |
var parts=relativePath.Split('\\'); |
571 |
|
572 |
var accountInfo = _accountInfo; |
573 |
if (relativePath.StartsWith(FolderConstants.OthersFolder)) |
574 |
{ |
575 |
accountName = parts[1]; |
576 |
container = parts[2]; |
577 |
//Create the root URL for the target account |
578 |
var oldName = UserName; |
579 |
var absoluteUri = _accountInfo.StorageUri.AbsoluteUri; |
580 |
var nameIndex=absoluteUri.IndexOf(oldName, StringComparison.Ordinal); |
581 |
var root=absoluteUri.Substring(0, nameIndex); |
582 |
|
583 |
accountInfo = new AccountInfo |
584 |
{ |
585 |
UserName = accountName, |
586 |
AccountPath = Path.Combine(accountInfo.AccountPath, parts[0], parts[1]), |
587 |
StorageUri = new Uri(root + accountName), |
588 |
BlockHash=accountInfo.BlockHash, |
589 |
BlockSize=accountInfo.BlockSize, |
590 |
Token=accountInfo.Token |
591 |
}; |
592 |
} |
593 |
else |
594 |
{ |
595 |
accountName = UserName; |
596 |
container = parts[0]; |
597 |
} |
598 |
|
599 |
return Task.Factory.StartNew(() => |
600 |
{ |
601 |
var client = new CloudFilesClient(accountInfo); |
602 |
var containerInfo = client.GetContainerInfo(accountName, container); |
603 |
return containerInfo; |
604 |
}); |
605 |
} |
606 |
} |
607 |
} |