author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:34:56 +0100 | |
branch | RCL_3 |
changeset 44 | 3e88ff8f41d5 |
parent 4 | 56f325a607ea |
permissions | -rw-r--r-- |
0 | 1 |
// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
2 |
// All rights reserved. |
|
3 |
// This component and the accompanying materials are made available |
|
4 |
// under the terms of the License "Eclipse Public License v1.0" |
|
5 |
// which accompanies this distribution, and is available |
|
6 |
// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
7 |
// |
|
8 |
// Initial Contributors: |
|
9 |
// Nokia Corporation - initial contribution. |
|
10 |
// |
|
11 |
// Contributors: |
|
12 |
// |
|
13 |
// Description: |
|
14 |
// f32\sfile\sf_notifier.cpp |
|
15 |
// |
|
16 |
// |
|
17 |
||
18 |
#include "sf_notifier.h" |
|
19 |
#include "sf_file_cache.h" |
|
20 |
||
21 |
CFsObjectCon* FsNotificationManager::iNotifyRequests = NULL; |
|
22 |
RFastLock FsNotificationManager::iChainLock; |
|
23 |
TInt FsNotificationManager::iFilterRegister[]; |
|
24 |
CFsPool<CFsNotificationBlock>* FsNotificationManager::iPool; |
|
25 |
||
26 |
||
27 |
CFsNotificationPathFilter* CFsNotificationPathFilter::NewL(const TDesC& aPath, const TDesC& aFilename) |
|
28 |
{ |
|
29 |
CFsNotificationPathFilter* self = new (ELeave) CFsNotificationPathFilter(); |
|
30 |
CleanupStack::PushL(self); |
|
31 |
self->ConstructL(aPath,aFilename); |
|
32 |
CleanupStack::Pop(self); |
|
33 |
return self; |
|
34 |
} |
|
35 |
||
36 |
void CFsNotificationPathFilter::ConstructL(const TDesC& aPath, const TDesC& aFilename) |
|
37 |
{ |
|
38 |
//Allocate the path and filename |
|
39 |
iPath = aPath.AllocL(); |
|
40 |
iFilename = aFilename.AllocL(); |
|
41 |
} |
|
42 |
||
43 |
CFsNotificationPathFilter::~CFsNotificationPathFilter() |
|
44 |
{ |
|
45 |
if(iFilename) |
|
46 |
delete iFilename; |
|
47 |
if(iPath) |
|
48 |
delete iPath; |
|
49 |
} |
|
50 |
||
51 |
CFsNotificationPathFilter::CFsNotificationPathFilter() |
|
52 |
: iPath(NULL), iFilename(NULL) |
|
53 |
{ |
|
54 |
} |
|
55 |
||
56 |
CFsNotifyRequest* CFsNotifyRequest::NewL() |
|
57 |
{ |
|
58 |
CFsNotifyRequest* self = new(ELeave) CFsNotifyRequest(); |
|
59 |
CleanupStack::PushL(self); |
|
60 |
self->ConstructL(); |
|
61 |
CleanupStack::Pop(); |
|
62 |
return self; |
|
63 |
} |
|
64 |
||
65 |
void CFsNotifyRequest::ConstructL() |
|
66 |
{ |
|
67 |
User::LeaveIfError(iClientSyncLock.CreateLocal()); |
|
68 |
User::LeaveIfError(iTailSemaphore.CreateLocal()); |
|
69 |
} |
|
70 |
||
71 |
CFsNotifyRequest::CFsNotifyRequest() |
|
72 |
{ |
|
73 |
SetActive(EInactive); |
|
74 |
} |
|
75 |
||
76 |
CFsNotifyRequest::~CFsNotifyRequest() |
|
77 |
{ |
|
78 |
__PRINT(_L("CFsNotifyRequest::~CFsNotifyRequest()")); |
|
79 |
||
80 |
RemoveFilters(); |
|
81 |
||
82 |
if(ClientMsgHandle()!=0) |
|
83 |
iClientMsg.Complete(KErrCancel); |
|
84 |
||
85 |
if(iBufferMsg.Handle()!=0) |
|
86 |
iBufferMsg.Complete(KErrCancel); |
|
87 |
||
88 |
iClientSyncLock.Close(); |
|
89 |
iTailSemaphore.Close(); |
|
90 |
} |
|
91 |
||
92 |
/* |
|
93 |
* Returns the Array of TypeFilters. |
|
94 |
* Each TFsNotificationTypeFilter matches to a particular TFsNotification::TFsNotificationType |
|
95 |
* and has a CFsNotificationFilter which stores the iPath and iName associated with this filter type. |
|
96 |
* |
|
97 |
* (These are speerated so that we can have multiple type filters for every name filter) |
|
98 |
*/ |
|
99 |
TFsNotificationTypeArray* CFsNotifyRequest::FilterTypeList(TInt aDrive,TInt aIndex) |
|
100 |
{ |
|
101 |
__ASSERT_DEBUG(aIndex < KNumRegisterableFilters,Fault(ENotificationFault)); |
|
102 |
||
103 |
TFsNotificationTypeDriveArray* filters = iDrivesTypesFiltersMap.Find(aDrive); |
|
104 |
if(filters) |
|
105 |
return &((*filters)[aIndex]); |
|
106 |
else |
|
107 |
return NULL; |
|
108 |
} |
|
109 |
||
110 |
//Sets filter's notification request status |
|
111 |
void CFsNotifyRequest::SetActive(TNotifyRequestStatus aValue) |
|
112 |
{ |
|
113 |
iNotifyRequestStatus = aValue; |
|
114 |
} |
|
115 |
||
116 |
CFsNotifyRequest::TNotifyRequestStatus CFsNotifyRequest::ActiveStatus() |
|
117 |
{ |
|
118 |
return (TNotifyRequestStatus)iNotifyRequestStatus; |
|
119 |
} |
|
120 |
||
121 |
//Completes and frees notification request |
|
122 |
//In case of KErrNone must be called with iChainLock already held |
|
123 |
void CFsNotifyRequest::CompleteClientRequest(TInt aReason,TBool aIsCancel) |
|
124 |
{ |
|
125 |
__PRINT(_L("CFsNotifyRequest::CompleteClientRequest()")); |
|
126 |
||
127 |
iClientSyncLock.Wait(); |
|
128 |
||
129 |
if(aReason==KErrNone) |
|
130 |
{ |
|
131 |
__PRINT(_L("CFsNotifyRequest::CompleteClientRequest() - Complete KErrNone")); |
|
132 |
//Synchronising the current iServerTail to the client. |
|
133 |
iClientHead = iClientTail; //Client has read all previous entries |
|
134 |
iClientTail = iServerTail; //Client's new tail is everything the server has been writing since this function was last called |
|
135 |
TInt clientTail = iClientTail; |
|
136 |
TPckg<TInt> tailDes(clientTail); |
|
137 |
iClientMsg.Write(KMsgPtr0,tailDes); |
|
138 |
} |
|
139 |
else if(aIsCancel) |
|
140 |
{ |
|
141 |
__PRINT(_L("CFsNotifyRequest::CompleteClientRequest() - Complete isCancel")); |
|
142 |
iServerTail = 0; |
|
143 |
iClientTail = 0; |
|
144 |
iClientHead = 0; |
|
145 |
TPckgBuf<TInt> tailDes(iClientTail); |
|
146 |
//Perhaps client has crashed so no point checking return: |
|
147 |
iClientMsg.Write(KMsgPtr0,tailDes); |
|
148 |
} |
|
149 |
__PRINT(_L("CFsNotifyRequest::CompleteClientRequest() - Complete Request")); |
|
150 |
iClientMsg.Complete(aReason); |
|
151 |
iClientSyncLock.Signal(); |
|
152 |
} |
|
153 |
||
154 |
TInt CFsNotifyRequest::SynchroniseBuffer(CFsNotificationBlock& aBlock,TInt aServerTail, TInt aNotificationSize) |
|
155 |
{ |
|
156 |
TPtrC8 blockDes((TText8*)aBlock.Data(),aNotificationSize); |
|
157 |
return iBufferMsg.Write(KMsgPtr0,blockDes,aServerTail); |
|
158 |
} |
|
159 |
||
160 |
//Removes all filters. |
|
161 |
//Deletes iPath, iFilename |
|
162 |
TInt CFsNotifyRequest::RemoveFilters() |
|
163 |
{ |
|
164 |
__PRINT(_L("CFsNotifyRequest::RemoveFilters()")); |
|
165 |
||
166 |
//For every drive with filters set... |
|
167 |
RHashMap<TInt,TFsNotificationTypeDriveArray>::TIter iterator(iDrivesTypesFiltersMap); |
|
168 |
TFsNotificationTypeDriveArray* currentDriveFilters = (TFsNotificationTypeDriveArray*)iterator.NextValue(); |
|
169 |
while(currentDriveFilters) |
|
170 |
{ |
|
171 |
//For every filter array (1 for each type of TFsNotificationType) |
|
172 |
for(TInt filterType = 0; filterType < KNumRegisterableFilters; filterType++) |
|
173 |
{ |
|
174 |
TFsNotificationTypeArray& filterList = (*currentDriveFilters)[filterType]; |
|
175 |
TInt filterTypeCount = filterList.Count(); |
|
176 |
if(filterTypeCount) |
|
177 |
{ |
|
178 |
//Remove this type from the filter register |
|
179 |
TFsNotification::TFsNotificationType type = FsNotificationHelper::NotificationType(filterType); |
|
180 |
FsNotificationManager::SetFilterRegister(type,EFalse,filterTypeCount); |
|
181 |
} |
|
182 |
filterList.Reset(); |
|
183 |
filterList.Close(); |
|
184 |
} |
|
185 |
currentDriveFilters->Reset(); |
|
186 |
currentDriveFilters->Close(); |
|
187 |
iterator.RemoveCurrent(); |
|
188 |
currentDriveFilters = (TFsNotificationTypeDriveArray*)iterator.NextValue(); |
|
189 |
} |
|
190 |
iDrivesTypesFiltersMap.Close(); |
|
191 |
iPathFilterList.ResetAndDestroy(); |
|
192 |
iPathFilterList.Close(); |
|
193 |
return KErrNone; |
|
194 |
} |
|
195 |
||
196 |
TInt CFsNotifyRequest::AddFilterL(CFsNotificationPathFilter* aFilter, TUint aMask) |
|
197 |
{ |
|
198 |
__PRINT(_L("CFsNotifyRequest::AddFilterL")); |
|
199 |
||
200 |
iPathFilterList.AppendL(aFilter); |
|
201 |
||
202 |
//Get the drive number to so know which drive array to add the filter(s) to. |
|
203 |
TInt driveNum = FsNotificationHelper::DriveNumber(aFilter->iPath->Des()); |
|
204 |
||
205 |
TInt notifyType = 1; |
|
206 |
TInt r = KErrNone; |
|
207 |
//Create/Add a TypeFilter for each type in aMask |
|
208 |
while((notifyType & KNotificationValidFiltersMask) && (aMask & KNotificationValidFiltersMask)) |
|
209 |
{ |
|
210 |
//If this notifyType is present in aMask |
|
211 |
if(aMask & notifyType) |
|
212 |
{ |
|
213 |
TFsNotificationTypeFilter typeFilter; |
|
214 |
typeFilter.iNotificationType = (TFsNotification::TFsNotificationType) notifyType; |
|
215 |
typeFilter.iPathFilter = aFilter; |
|
216 |
TInt index = FsNotificationHelper::TypeToIndex(typeFilter.iNotificationType); |
|
217 |
||
218 |
//If the per-drive-filterLists have not |
|
219 |
//been set up yet then do so now. |
|
220 |
TFsNotificationTypeDriveArray* driveArray = iDrivesTypesFiltersMap.Find(driveNum); |
|
221 |
if(!driveArray) |
|
222 |
{ |
|
223 |
TFsNotificationTypeDriveArray dArray; |
|
224 |
r = iDrivesTypesFiltersMap.Insert(driveNum,dArray); |
|
225 |
User::LeaveIfError(r); |
|
226 |
driveArray = iDrivesTypesFiltersMap.Find(driveNum); |
|
227 |
||
228 |
//Create filter arrays for every type |
|
229 |
for(TInt i =0; i< KNumRegisterableFilters; i++) |
|
230 |
{ |
|
231 |
TFsNotificationTypeArray filterArray; |
|
232 |
driveArray->Append(filterArray); |
|
233 |
} |
|
234 |
} |
|
235 |
TFsNotificationTypeArray& filterArray= (*driveArray)[index]; |
|
236 |
filterArray.Append(typeFilter); |
|
237 |
||
238 |
//Remove this type from our mask |
|
239 |
//and continue |
|
240 |
aMask ^= notifyType; |
|
241 |
} |
|
242 |
notifyType <<= 1; |
|
243 |
} |
|
244 |
return r; |
|
245 |
} |
|
246 |
||
247 |
TInt CFsNotifyRequest::SetClientMessage(const RMessage2& aClientMsg) |
|
248 |
{ |
|
249 |
__PRINT(_L("CFsNotifyRequest::SetClientMessage")); |
|
250 |
iClientMsg = aClientMsg; |
|
251 |
return KErrNone; |
|
252 |
} |
|
253 |
||
254 |
TInt CFsNotifyRequest::ClientMsgHandle() |
|
255 |
{ |
|
256 |
return iClientMsg.Handle(); |
|
257 |
} |
|
258 |
||
259 |
void CFsNotifyRequest::CloseNotification() |
|
260 |
{ |
|
261 |
__PRINT(_L("CFsNotifyRequest::CloseNotification()")); |
|
262 |
iBufferMsg.Complete(KErrNone); |
|
263 |
if(ClientMsgHandle()!=0) |
|
264 |
CompleteClientRequest(KErrCancel,EFalse); |
|
265 |
} |
|
266 |
||
267 |
//New notification request from client |
|
268 |
void FsNotificationManager::AddNotificationRequestL(CFsNotifyRequest* aNotificationRequest) |
|
269 |
{ |
|
270 |
__PRINT(_L("FsNotificationManager::AddNotificationRequestL")); |
|
271 |
Lock(); |
|
272 |
iNotifyRequests->AddL(aNotificationRequest,ETrue); |
|
273 |
Unlock(); |
|
274 |
} |
|
275 |
||
276 |
//Notification request cancelled |
|
277 |
//Must be called with iChainLock held |
|
278 |
void FsNotificationManager::RemoveNotificationRequest(CFsNotifyRequest* aNotificationRequest) |
|
279 |
{ |
|
280 |
__PRINT(_L("FsNotificationManager::RemoveNotificationRequest")); |
|
281 |
iNotifyRequests->Remove(aNotificationRequest,ETrue); |
|
282 |
} |
|
283 |
||
284 |
void FsNotificationManager::RemoveNotificationRequest(CSessionFs* aSession) |
|
285 |
{ |
|
286 |
__PRINT(_L("FsNotificationManager::RemoveNotificationRequest(CSessionFs*)")); |
|
287 |
||
288 |
TInt count = Count(); |
|
289 |
if(count) |
|
290 |
{ |
|
291 |
Lock(); |
|
292 |
count = Count(); //check again just incase it's changed before we got the lock |
|
293 |
if(count) |
|
294 |
{ |
|
295 |
for(TInt i=0; i < count; i++) |
|
296 |
{ |
|
297 |
//Remove all notification requests associated with this session. |
|
298 |
CFsNotifyRequest* notify = (CFsNotifyRequest*)(*iNotifyRequests)[i]; |
|
299 |
if(notify->iSession == aSession) |
|
300 |
{ |
|
301 |
RemoveNotificationRequest(notify); |
|
302 |
delete notify; |
|
303 |
} |
|
304 |
} |
|
305 |
if(!Count()) |
|
306 |
{ |
|
307 |
__PRINT(_L("FsNotificationManager::RemoveNotificationRequest(CSessionFs*) - Closing Manager")); |
|
308 |
Close(); |
|
309 |
} |
|
310 |
} |
|
311 |
Unlock(); |
|
312 |
} |
|
313 |
} |
|
314 |
||
315 |
TBool FsNotificationManager::IsInitialised() |
|
316 |
{ |
|
317 |
__PRINT(_L("FsNotificationManager::IsInitialised()")); |
|
318 |
return (TBool)iNotifyRequests; |
|
319 |
} |
|
320 |
||
321 |
void FsNotificationManager::OpenL() |
|
322 |
{ |
|
323 |
__PRINT(_L("FsNotificationManager::InitialiseL()")); |
|
324 |
if(!iNotifyRequests) |
|
325 |
{ |
|
326 |
if(iChainLock.Handle() == 0) |
|
327 |
{ |
|
328 |
User::LeaveIfError(iChainLock.CreateLocal()); |
|
329 |
} |
|
330 |
iNotifyRequests = TheContainer->CreateL(); |
|
331 |
iPool = CFsPool<CFsNotificationBlock>::New(KNotificationPoolSize); |
|
332 |
User::LeaveIfNull(iPool); |
|
333 |
} |
|
334 |
} |
|
335 |
||
336 |
void FsNotificationManager::SetFilterRegister(TUint aFilter, TBool aAdd, TInt aCount) |
|
337 |
{ |
|
338 |
__PRINT2(_L("FsNotificationManager::SetFilterRegister(aFilter=%u,aAdd=%d)"),aFilter,aAdd); |
|
339 |
TInt index = FsNotificationHelper::TypeToIndex((TFsNotification::TFsNotificationType)aFilter); |
|
340 |
TInt& fr = FsNotificationManager::FilterRegister(index); |
|
341 |
__ASSERT_DEBUG((aAdd) ? fr >= 0 : fr > 0,Fault(ENotificationFault)); |
|
342 |
fr+= aAdd ? aCount : -aCount; |
|
343 |
} |
|
344 |
||
345 |
void FsNotificationManager::SetFilterRegisterMask(TUint aMask,TBool aAdd) |
|
346 |
{ |
|
347 |
__PRINT(_L("FsNotificationManager::RegisterFilterMask()")); |
|
348 |
TInt notifyType = 1; |
|
349 |
||
350 |
while(notifyType & KNotificationValidFiltersMask && aMask & KNotificationValidFiltersMask) |
|
351 |
{ |
|
352 |
if(aMask & notifyType) |
|
353 |
{ |
|
354 |
SetFilterRegister(notifyType,aAdd); |
|
355 |
aMask ^= notifyType; |
|
356 |
} |
|
357 |
notifyType <<= 1; |
|
358 |
} |
|
359 |
} |
|
360 |
||
361 |
TInt& FsNotificationManager::FilterRegister(TInt aIndex) |
|
362 |
{ |
|
363 |
__PRINT(_L("FsNotificationManager::FilterRegister()")); |
|
364 |
__ASSERT_DEBUG(aIndex < KNumRegisterableFilters,Fault(ENotificationFault)); |
|
365 |
return iFilterRegister[aIndex]; |
|
366 |
} |
|
367 |
||
368 |
//Must be called with the iChainLock |
|
369 |
void FsNotificationManager::Close() |
|
370 |
{ |
|
371 |
__PRINT(_L("FsNotificationManager::Stop()")); |
|
372 |
CFsObjectCon*& request = iNotifyRequests; |
|
373 |
if(request) |
|
374 |
{ |
|
375 |
TheContainer->Delete(request); |
|
376 |
delete iPool; |
|
377 |
iPool = NULL; |
|
378 |
} |
|
379 |
request = NULL; |
|
380 |
} |
|
381 |
||
382 |
TInt FsNotificationManager::Count() |
|
383 |
{ |
|
384 |
__PRINT(_L("FsNotificationManager::Count()")); |
|
385 |
if(IsInitialised()) |
|
386 |
return iNotifyRequests->Count(); |
|
387 |
return 0; |
|
388 |
} |
|
389 |
||
390 |
void FsNotificationManager::Lock() |
|
391 |
{ |
|
392 |
__PRINT(_L("--->FsNotificationManager::Lock()")); |
|
393 |
iChainLock.Wait(); |
|
394 |
} |
|
395 |
||
396 |
void FsNotificationManager::Unlock() |
|
397 |
{ |
|
398 |
__PRINT(_L("<---FsNotificationManager::Unlock()")); |
|
399 |
iChainLock.Signal(); |
|
400 |
} |
|
401 |
||
402 |
//Get the notification type based on the TFsMessage function |
|
403 |
void FsNotificationHelper::NotificationType(TInt aFunction,TFsNotification::TFsNotificationType& aNotificationType) |
|
404 |
{ |
|
405 |
__PRINT(_L("FsNotificationHelper::NotificationType")); |
|
406 |
switch(aFunction) |
|
407 |
{ |
|
408 |
case EFsFileWrite: |
|
409 |
case EFsFileWriteDirty: |
|
410 |
case EFsFileSetSize: |
|
411 |
{ |
|
412 |
aNotificationType = TFsNotification::EFileChange; |
|
413 |
break; |
|
414 |
} |
|
415 |
case EFsRename: |
|
416 |
case EFsFileRename: |
|
417 |
case EFsReplace: |
|
418 |
{ |
|
419 |
aNotificationType = TFsNotification::ERename; |
|
420 |
break; |
|
421 |
} |
|
422 |
case EFsMkDir: |
|
423 |
case EFsFileCreate: |
|
424 |
case EFsFileReplace: |
|
425 |
{ |
|
426 |
aNotificationType = TFsNotification::ECreate; |
|
427 |
break; |
|
428 |
} |
|
429 |
case EFsFileSetAtt: |
|
430 |
case EFsFileSet: |
|
431 |
case EFsSetEntry: |
|
432 |
{ |
|
433 |
aNotificationType = TFsNotification::EAttribute; |
|
434 |
break; |
|
435 |
} |
|
436 |
case EFsDelete: |
|
437 |
case EFsRmDir: |
|
438 |
{ |
|
439 |
aNotificationType = TFsNotification::EDelete; |
|
440 |
break; |
|
441 |
} |
|
442 |
case EFsSetVolume: |
|
443 |
{ |
|
444 |
aNotificationType = TFsNotification::EVolumeName; |
|
445 |
break; |
|
446 |
} |
|
447 |
case EFsSetDriveName: |
|
448 |
{ |
|
449 |
aNotificationType = TFsNotification::EDriveName; |
|
450 |
break; |
|
451 |
} |
|
452 |
case EFsDismountFileSystem: |
|
453 |
case EFsMountFileSystem: |
|
454 |
case EFsFormatNext: |
|
455 |
case EFsRawDiskWrite: |
|
456 |
case EFsMountFileSystemScan: |
|
457 |
{ |
|
458 |
aNotificationType = TFsNotification::EMediaChange; |
|
459 |
break; |
|
460 |
} |
|
461 |
default: |
|
462 |
{ |
|
463 |
aNotificationType = (TFsNotification::TFsNotificationType)0; |
|
464 |
break; |
|
465 |
} |
|
466 |
} |
|
467 |
} |
|
468 |
||
469 |
//=====CFsNotificationBlock============================ |
|
470 |
// Uses CFsPool |
|
471 |
||
472 |
CFsNotificationBlock* CFsNotificationBlock::New() |
|
473 |
{ |
|
474 |
return new CFsNotificationBlock(); |
|
475 |
} |
|
476 |
CFsNotificationBlock::CFsNotificationBlock() |
|
477 |
{ |
|
478 |
} |
|
479 |
CFsNotificationBlock::~CFsNotificationBlock() |
|
480 |
{ |
|
481 |
//Nothing to do here |
|
482 |
} |
|
483 |
TAny* CFsNotificationBlock::Data() |
|
484 |
{ |
|
485 |
return (TAny*)&iData; |
|
486 |
} |
|
487 |
||
488 |
||
489 |
//=====FsNotificationManager=========================== |
|
490 |
||
491 |
//Get the path of the file, folder or drive name based on the TFsMessage function |
|
492 |
void FsNotificationHelper::PathName(CFsClientMessageRequest& aRequest, TDes& aPath) |
|
493 |
{ |
|
494 |
__PRINT(_L("FsNotificationHelper::PathName")); |
|
495 |
//Get the notification type |
|
496 |
TInt function = aRequest.Operation()->Function(); |
|
497 |
||
498 |
//Get the filename(s) |
|
499 |
switch(function) |
|
500 |
{ |
|
501 |
case EFsFileWrite: //EParseSrc | EFileShare |
|
502 |
case EFsFileSetSize: //EParseSrc | EFileShare |
|
503 |
case EFsFileSetAtt: //EParseDst | EParseSrc, - should not use these; has share. |
|
504 |
case EFsFileSet: |
|
505 |
case EFsFileWriteDirty: //EFileShare |
|
506 |
{ |
|
507 |
CFileShare* share = NULL; |
|
508 |
CFileCB* file = NULL; |
|
509 |
GetFileFromScratch(&aRequest,share,file); |
|
510 |
aPath.Append(file->DriveNumber() + 'A'); |
|
511 |
aPath.Append(':'); |
|
512 |
aPath.Append(file->FileName().Des()); |
|
513 |
break; |
|
514 |
} |
|
515 |
case EFsFileCreate: //EParseSrc |
|
516 |
case EFsDelete: //EParseSrc |
|
517 |
case EFsSetEntry: //EParseSrc, |
|
518 |
case EFsFileRename: //EParseDst | EParseSrc, |
|
519 |
case EFsRename: //EParseDst | EParseSrc, |
|
520 |
case EFsReplace: //EParseDst | EParseSrc, |
|
521 |
case EFsFileReplace: //EParseSrc |
|
522 |
{ |
|
523 |
aPath.Copy(aRequest.Src().FullName()); |
|
524 |
break; |
|
525 |
} |
|
526 |
case EFsRmDir: //EParseSrc |
|
527 |
case EFsMkDir: //EParseSrc |
|
528 |
{ |
|
529 |
aPath.Copy(aRequest.Src().DriveAndPath()); |
|
530 |
break; |
|
531 |
} |
|
532 |
case EFsFormatNext: //EParseSrc |
|
533 |
case EFsDismountFileSystem: //0 |
|
534 |
case EFsMountFileSystem: //0 |
|
535 |
case EFsSetVolume: //0 |
|
536 |
case EFsSetDriveName: //ESync |
|
537 |
case EFsRawDiskWrite: //EParseSrc |
|
538 |
case EFsMountFileSystemScan: |
|
539 |
{ |
|
540 |
_LIT(KFormatDrive,"?:"); |
|
541 |
TBuf<2> drive; |
|
542 |
drive.Append(KFormatDrive); |
|
543 |
drive[0] = TText(aRequest.Drive()->DriveNumber() + 'A'); |
|
544 |
aPath.Copy(drive); |
|
545 |
break; |
|
546 |
} |
|
547 |
default: |
|
548 |
ASSERT(0); |
|
549 |
break; |
|
550 |
} |
|
551 |
} |
|
552 |
||
553 |
//Get the new path of the file, folder or drive name based on the TFsMessage function |
|
554 |
void FsNotificationHelper::NewPathName(CFsClientMessageRequest& aRequest, TPtrC& aNewPath) |
|
555 |
{ |
|
556 |
__PRINT(_L("FsNotificationHelper::NewPathName")); |
|
557 |
//Get the notification type |
|
558 |
TInt function = aRequest.Operation()->Function(); |
|
559 |
||
560 |
//Get the filename(s) |
|
561 |
switch(function) |
|
562 |
{ |
|
563 |
case EFsFileRename: //EParseDst | EParseSrc, |
|
564 |
case EFsRename: //EParseDst | EParseSrc, |
|
565 |
case EFsReplace: //EParseDst | EParseSrc, |
|
566 |
{ |
|
567 |
aNewPath.Set(aRequest.Dest().FullName()); |
|
568 |
break; |
|
569 |
} |
|
570 |
case EFsSetDriveName: //ESync |
|
571 |
{ |
|
572 |
TFileName name; |
|
573 |
aRequest.ReadL(KMsgPtr1, name); |
|
574 |
aNewPath.Set(name); |
|
575 |
break; |
|
576 |
} |
|
577 |
case EFsSetVolume: //0 |
|
578 |
{ |
|
579 |
TFileName name; |
|
580 |
aRequest.ReadL(KMsgPtr0, name); |
|
581 |
aNewPath.Set(name); |
|
582 |
break; |
|
583 |
} |
|
584 |
default: |
|
585 |
{ |
|
586 |
ASSERT(0); |
|
587 |
break; |
|
588 |
} |
|
589 |
} |
|
590 |
} |
|
591 |
||
592 |
//Get the size of the notification based on its type |
|
593 |
TInt FsNotificationHelper::NotificationSize(CFsClientMessageRequest& aRequest, TFsNotification::TFsNotificationType aNotificationType, const TDesC& aName) |
|
594 |
{ |
|
595 |
__PRINT(_L("FsNotificationHelper::NotificationSize")); |
|
596 |
||
597 |
/* |
|
598 |
* If there are no new names, the order of the data in the buffer is: |
|
599 |
* Word1 : NotificationSize (2 bytes) , PathSize (2 bytes) |
|
600 |
* Word2 : NotificationType (Lower 2 bytes) |
|
601 |
* Word(s) : Path (TText8) , [Any sub-class members] |
|
602 |
* |
|
603 |
* Else for notification types ERename, EVolumeName and EDriveName the order is: |
|
604 |
* Word1 : NotificationSize (2 bytes) , PathSize (2 bytes) |
|
605 |
* Word2 : NewNameSize (2 bytes) , NotificationType (2 bytes) |
|
606 |
* Word(s) : Path (TText8) , NewName (TText8) |
|
607 |
* |
|
608 |
* EOverflow size: KNotificationHeaderSize |
|
609 |
*/ |
|
610 |
||
611 |
TInt size = KNotificationHeaderSize + Align4(aName.Size()); |
|
612 |
||
613 |
switch(aNotificationType) |
|
614 |
{ |
|
615 |
//NewName |
|
616 |
case TFsNotification::ERename: |
|
617 |
case TFsNotification::EVolumeName: |
|
618 |
case TFsNotification::EDriveName: |
|
619 |
{ |
|
620 |
TPtrC dest; |
|
621 |
NewPathName(aRequest,dest); |
|
622 |
size += Align4(dest.Size()); |
|
623 |
break; |
|
624 |
} |
|
625 |
case TFsNotification::EFileChange: |
|
626 |
{ |
|
627 |
size += sizeof(TInt64); |
|
628 |
break; |
|
629 |
} |
|
630 |
case TFsNotification::EAttribute: |
|
631 |
{ |
|
632 |
size += sizeof(TUint64); |
|
633 |
break; |
|
634 |
} |
|
635 |
case TFsNotification::ECreate: |
|
636 |
case TFsNotification::EDelete: |
|
637 |
case TFsNotification::EMediaChange: |
|
638 |
{ |
|
639 |
break; |
|
640 |
} |
|
641 |
default: |
|
642 |
{ |
|
643 |
ASSERT(0); |
|
644 |
break; |
|
645 |
} |
|
646 |
} |
|
647 |
return (TUint16) size; |
|
648 |
} |
|
649 |
||
650 |
TFsNotification::TFsNotificationType FsNotificationHelper::NotificationType(TInt& aIndex) |
|
651 |
{ |
|
652 |
__PRINT(_L("FsNotificationHelper::NotificationType(TInt)")); |
|
653 |
__ASSERT_DEBUG(aIndex < KNumRegisterableFilters, Fault(ENotificationFault)); |
|
654 |
||
655 |
switch(aIndex) //No break statements here on purpose |
|
656 |
{ |
|
657 |
case 7 : return TFsNotification::EMediaChange; |
|
658 |
case 6 : return TFsNotification::EDriveName; |
|
659 |
case 5 : return TFsNotification::EVolumeName; |
|
660 |
case 4 : return TFsNotification::EDelete; |
|
661 |
case 3 : return TFsNotification::EAttribute; |
|
662 |
case 2 : return TFsNotification::ECreate; |
|
663 |
case 1 : return TFsNotification::ERename; |
|
664 |
case 0 : return TFsNotification::EFileChange; |
|
665 |
default: ASSERT(0); return (TFsNotification::TFsNotificationType) 0; |
|
666 |
} |
|
667 |
} |
|
668 |
||
669 |
//Get the array index of the notification based on its type |
|
670 |
TInt FsNotificationHelper::TypeToIndex(TFsNotification::TFsNotificationType aType) |
|
671 |
{ |
|
672 |
__PRINT(_L("FsNotificationHelper::ArrayIndex")); |
|
673 |
||
674 |
TInt index = 0; |
|
675 |
switch(aType) //No break statements here on purpose |
|
676 |
{ |
|
677 |
case TFsNotification::EMediaChange: index++; |
|
678 |
case TFsNotification::EDriveName: index++; |
|
679 |
case TFsNotification::EVolumeName: index++; |
|
680 |
case TFsNotification::EDelete: index++; |
|
681 |
case TFsNotification::EAttribute: index++; |
|
682 |
case TFsNotification::ECreate: index++; |
|
683 |
case TFsNotification::ERename: index++; |
|
684 |
case TFsNotification::EFileChange: // skip; |
|
685 |
default: break; |
|
686 |
} |
|
687 |
__ASSERT_DEBUG(index < KNumRegisterableFilters, Fault(ENotificationFault)); |
|
688 |
return index; |
|
689 |
} |
|
690 |
||
691 |
TInt FsNotificationHelper::DriveNumber(const TPtrC& aPath) |
|
692 |
{ |
|
693 |
if(aPath.Length() >= 2 && ((TChar)aPath[1])==(TChar)':') |
|
694 |
{ |
|
695 |
TChar driveChar = ((TChar)aPath[0]); |
|
696 |
driveChar.UpperCase(); |
|
697 |
TInt driveNum = driveChar-(TChar)'A'; |
|
698 |
return driveNum; |
|
699 |
} |
|
700 |
else |
|
701 |
{ |
|
702 |
return KErrNotFound; |
|
703 |
} |
|
704 |
} |
|
705 |
||
706 |
//Get the attributes set and cleared |
|
707 |
void FsNotificationHelper::Attributes(CFsClientMessageRequest& aRequest, TUint& aSet, TUint& aClear) |
|
708 |
{ |
|
709 |
__PRINT(_L("FsNotificationHelper::Attributes")); |
|
710 |
||
711 |
TInt function = aRequest.Operation()->Function(); |
|
712 |
const RMessage2& msg = aRequest.Message(); |
|
713 |
||
714 |
switch(function) |
|
715 |
{ |
|
716 |
case EFsFileSet: |
|
717 |
{ |
|
718 |
aSet = msg.Int1(); |
|
719 |
aClear = msg.Int2(); |
|
720 |
break; |
|
721 |
} |
|
722 |
case EFsFileSetAtt: |
|
723 |
{ |
|
724 |
aSet = msg.Int0(); |
|
725 |
aClear = msg.Int1(); |
|
726 |
break; |
|
727 |
} |
|
728 |
case EFsSetEntry: |
|
729 |
{ |
|
730 |
aSet = msg.Int2(); |
|
731 |
aClear = msg.Int3(); |
|
732 |
break; |
|
733 |
} |
|
734 |
default: |
|
735 |
{ |
|
736 |
ASSERT(0); |
|
737 |
break; |
|
738 |
} |
|
739 |
} |
|
740 |
} |
|
741 |
||
742 |
||
743 |
TBool CFsNotifyRequest::ValidateNotification(TInt aNotificationSize, TInt& aServerTail) |
|
744 |
{ |
|
745 |
__PRINT(_L("CFsNotifyRequest::ValidateNotification")); |
|
746 |
//RDebug::Print(_L("CFsNotifyRequest::ValidateNotification - iServerTail=%d, aServerTail=%d, iClientTail=%d,iClientHead=%d, aNotificationSize=%d"),iServerTail,aServerTail,iClientTail,iClientHead,aNotificationSize); |
|
747 |
// |
|
748 |
//Start Validation |
|
749 |
// |
|
750 |
TBool overflow = EFalse; |
|
751 |
||
752 |
//Check that we have not filled the buffer |
|
4
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
753 |
if (aServerTail == iClientHead) |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
754 |
{ |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
755 |
// Buffer is empty when Client Tail = Client Head |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
756 |
if (iClientHead != iClientTail) |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
757 |
{ |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
758 |
overflow = ETrue; |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
759 |
return overflow; |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
760 |
} |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
761 |
} |
0 | 762 |
|
763 |
//Work out remaining size taking account of whether the end position is |
|
764 |
//before or after the overflow position. |
|
765 |
TInt remainingSize = (iClientHead > aServerTail) |
|
766 |
? iClientHead - aServerTail |
|
767 |
: iClientBufferSize - (aServerTail - iClientHead); |
|
4
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
768 |
|
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
769 |
TInt reservedSize = aNotificationSize; |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
770 |
// + Save additional space for OVERFLOW |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
771 |
reservedSize += KNotificationHeaderSize; |
0 | 772 |
|
4
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
773 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
774 |
// Have we wrapped around already? |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
775 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
776 |
if (iClientHead > aServerTail) |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
777 |
{ |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
778 |
// Yes, |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
779 |
// Buffer looks something like this: |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
780 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
781 |
// |CH |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
782 |
// [5678------1234] |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
783 |
// |ST |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
784 |
|
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
785 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
786 |
// Check if we can insert in the middle section: |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
787 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
788 |
if (remainingSize < reservedSize) |
0 | 789 |
{ |
790 |
overflow = ETrue; |
|
4
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
791 |
} |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
792 |
//else: |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
793 |
// { |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
794 |
// We add new notification to middle |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
795 |
// [5678***---1234] |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
796 |
// } |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
797 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
798 |
return overflow; |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
799 |
} |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
800 |
|
0 | 801 |
|
4
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
802 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
803 |
// We have not wrapped around yet.. |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
804 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
805 |
// Buffer looks something like this: |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
806 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
807 |
// |CH |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
808 |
// [--123456789--] |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
809 |
// |ST |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
810 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
811 |
|
0 | 812 |
|
813 |
// |
|
4
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
814 |
// Check up-front whether its possible for overflow to go at the beginning. |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
815 |
// If there is not enough space at the start for overflow then we need to |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
816 |
// check that's there's space for overflow at the end and must not rollover. |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
817 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
818 |
TBool canRollOver = ETrue; |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
819 |
|
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
820 |
if (iClientHead < KNotificationHeaderSize) |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
821 |
{ |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
822 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
823 |
// |CH |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
824 |
// [123456789----] |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
825 |
// |ST |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
826 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
827 |
// No space for overflow at the beginning of buffer. |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
828 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
829 |
canRollOver = EFalse; |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
830 |
} |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
831 |
|
0 | 832 |
// |
4
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
833 |
// IF: Cannot rollover |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
834 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
835 |
if (!canRollOver) |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
836 |
{ |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
837 |
//IF (notification + overflow) does not fit at the end overflow now. |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
838 |
if ((iClientBufferSize - aServerTail) < reservedSize) |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
839 |
{ |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
840 |
overflow = ETrue; |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
841 |
} |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
842 |
//Else |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
843 |
// { |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
844 |
// Add notification (**) to end [---12345678**---] |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
845 |
// } |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
846 |
|
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
847 |
} |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
848 |
else |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
849 |
// Can rollover |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
850 |
// - need to check that notification fits at the end |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
851 |
// or that notification+overflow fits at the beginning. |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
852 |
{ |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
853 |
// If not enough space at end, rollover |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
854 |
if ((iClientBufferSize - aServerTail) < aNotificationSize) |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
855 |
{ |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
856 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
857 |
// Add notification to start and fill end with Filler char |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
858 |
// [----0123456789#] |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
859 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
860 |
|
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
861 |
// IF we are not at the very end of the buffer, |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
862 |
// insert a KNotificationBufferFiller at iServerTail. |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
863 |
// When the client reads this, it sets iHead to 0 and reads from there. |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
864 |
if(iServerTail != iClientBufferSize) |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
865 |
{ |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
866 |
//If there is space it will always be at least 1 word big |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
867 |
TPtrC8 fillerDes((TText8*) &KNotificationBufferFiller, sizeof(TUint)); |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
868 |
iBufferMsg.Write(KMsgPtr0, fillerDes, aServerTail); |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
869 |
} |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
870 |
|
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
871 |
// Now that we have rolled over we need to check whether there is |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
872 |
// space at the beginning for notification + overflow |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
873 |
// We already know that overflow fits. |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
874 |
if (reservedSize > iClientHead) |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
875 |
{ |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
876 |
// [ov--0123456789-] |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
877 |
overflow = ETrue; |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
878 |
} |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
879 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
880 |
// Add notification/overflow to the beginning |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
881 |
// [**--0123456789(#)] |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
882 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
883 |
aServerTail = 0; |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
884 |
} |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
885 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
886 |
// else - notification fits at the end so there is nothing to do here. |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
887 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
888 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
889 |
} |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
890 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
891 |
//End Validation |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
892 |
// |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
893 |
return overflow; |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
894 |
} |
0 | 895 |
|
896 |
// Called from FsNotificationManager::HandleChange(). |
|
897 |
// Sends notifications into the client's buffer. |
|
898 |
// If there is a iClientMsg then this is the first time this |
|
899 |
// has been called since the client called RequestNotifications. |
|
900 |
// In this situation we complete the client request. |
|
901 |
TInt CFsNotifyRequest::NotifyChange(CFsClientMessageRequest* aRequest,const TDesC& aName, TFsNotification::TFsNotificationType aNotificationType, CFsNotificationBlock& aBlock) |
|
902 |
{ |
|
903 |
/* |
|
904 |
* Different notification types have different data associated with them. |
|
905 |
* |
|
906 |
* All types EXCEPT for ERename, EVolumeName and EDriveName have the following data |
|
907 |
* and are aligned in the buffer like so: |
|
908 |
* Word1 : NotificationSize (2 bytes) , PathSize (2 bytes) |
|
909 |
* Word2 : NotificationType (Lower 2 bytes) |
|
910 |
* Word(s) : Path (TText8) , [Any sub-class members] |
|
911 |
* |
|
912 |
* Else for notification types ERename, EVolumeName and EDriveName the order is: |
|
913 |
* Word1 : NotificationSize (2 bytes) , PathSize (2 bytes) |
|
914 |
* Word2 : NewNameSize (2 bytes) , NotificationType (2 bytes) |
|
915 |
* Word(s) : Path (TText8) , NewName (TText8) |
|
916 |
* |
|
917 |
* Overflow notification type doesn't have a name, so its namesize is 0 |
|
918 |
* and there will be no Word3. |
|
919 |
*/ |
|
920 |
||
921 |
__PRINT(_L("CFsNotifyRequest::NotifyChange()")); |
|
922 |
||
923 |
TInt notificationSize = FsNotificationHelper::NotificationSize(*aRequest,aNotificationType,aName); |
|
924 |
||
925 |
iClientSyncLock.Wait(); |
|
926 |
iTailSemaphore.Wait(); |
|
927 |
||
928 |
TInt tail = iServerTail; |
|
929 |
||
930 |
//Validation |
|
931 |
TBool overflow = ValidateNotification(notificationSize, tail); |
|
932 |
||
933 |
//Now that we know there is enough space in the buffer we can write |
|
934 |
//the standard attributes that all notifications have. |
|
935 |
||
936 |
//We can store the size of the notification |
|
937 |
//and the size of the name in the same word. |
|
938 |
||
939 |
TUint16 nameLen = 0; //Overflow has no name |
|
940 |
TInt notifSize = KNotificationHeaderSize; |
|
941 |
if(!overflow) |
|
942 |
{ |
|
943 |
nameLen = (TUint16)aName.Size(); |
|
944 |
notifSize = notificationSize; |
|
945 |
} |
|
946 |
else |
|
947 |
{ |
|
948 |
aNotificationType = TFsNotification::EOverflow; |
|
949 |
} |
|
950 |
||
951 |
iServerTail = tail + notifSize; |
|
952 |
iTailSemaphore.Signal(); |
|
953 |
||
954 |
TInt writeOffset = 0; //Where to write in the block |
|
955 |
||
956 |
//Store notification Size and NameSize (Word1) |
|
957 |
TUint sizeNameLen = (notifSize << 16) | nameLen; |
|
958 |
memcpy((TText8*)aBlock.Data()+writeOffset,&sizeNameLen,sizeof(TUint)); |
|
959 |
writeOffset+=sizeof(TUint); |
|
960 |
||
961 |
TPtrC newName; |
|
962 |
||
963 |
if (aNotificationType == TFsNotification::ERename || |
|
964 |
aNotificationType == TFsNotification::EVolumeName || |
|
965 |
aNotificationType == TFsNotification::EDriveName) |
|
966 |
{ |
|
967 |
FsNotificationHelper::NewPathName(*aRequest,newName); |
|
968 |
//Store NewNameSize and notification Type (Word2) |
|
969 |
TUint typeNewNameLen = ((TUint16)newName.Size() << 16) | (TUint16)aNotificationType; |
|
970 |
memcpy((TText8*)aBlock.Data()+writeOffset,&typeNewNameLen,sizeof(TUint)); |
|
971 |
} |
|
972 |
else |
|
973 |
{ |
|
974 |
//Store notification Type (Word2) |
|
975 |
memcpy((TText8*)aBlock.Data()+writeOffset,&aNotificationType,sizeof(TUint)); |
|
976 |
} |
|
977 |
writeOffset+=sizeof(TUint); |
|
978 |
||
979 |
CFileShare* share = NULL; |
|
980 |
CFileCB* file = NULL; |
|
981 |
if(aRequest) //Don't always have a request such as when called from localdrives. |
|
982 |
{ |
|
983 |
GetFileFromScratch(aRequest, share, file); |
|
984 |
} |
|
985 |
||
986 |
// |
|
987 |
//Store UID |
|
988 |
/* |
|
989 |
TUid uid; |
|
990 |
uid.iUid = KErrUnknown; |
|
991 |
if(aRequest && aRequest->Operation()->iFunction == EFsFileWriteDirty) |
|
992 |
{ |
|
993 |
uid = aRequest->iUID; |
|
994 |
} |
|
995 |
else if(aRequest) |
|
996 |
{ |
|
997 |
uid = aRequest->Message().Identity(); |
|
998 |
} |
|
999 |
memcpy((TText8*)aBlock.Data()+writeOffset,&uid.iUid,sizeof(TUint32)); |
|
1000 |
writeOffset+=sizeof(TUint32); |
|
1001 |
*/ |
|
1002 |
||
1003 |
if(!overflow) |
|
1004 |
{ |
|
1005 |
//Store Name (Word3) |
|
1006 |
memcpy((TText8*)aBlock.Data()+writeOffset,aName.Ptr(),aName.Size()); |
|
1007 |
writeOffset += Align4(aName.Size()); |
|
1008 |
||
1009 |
||
1010 |
switch (aNotificationType) |
|
1011 |
{ |
|
1012 |
case TFsNotification::EFileChange: |
|
1013 |
{ |
|
1014 |
TInt64 size = 0; |
|
1015 |
size = file->CachedSize64(); |
|
1016 |
memcpy((TText8*)aBlock.Data()+writeOffset,&size,sizeof(TInt64)); |
|
1017 |
writeOffset += sizeof(TInt64); |
|
1018 |
break; |
|
1019 |
} |
|
1020 |
case TFsNotification::ERename: |
|
1021 |
case TFsNotification::EVolumeName: |
|
1022 |
case TFsNotification::EDriveName: |
|
1023 |
{ |
|
1024 |
//Store NewName |
|
1025 |
memcpy((TText8*)aBlock.Data()+writeOffset,newName.Ptr(),newName.Size()); |
|
1026 |
writeOffset += Align4(newName.Size()); |
|
1027 |
break; |
|
1028 |
} |
|
1029 |
case TFsNotification::EAttribute: |
|
1030 |
{ |
|
1031 |
TUint set=0; |
|
1032 |
TUint clear=0; |
|
1033 |
FsNotificationHelper::Attributes(*aRequest,set,clear); |
|
1034 |
TUint64 att = MAKE_TUINT64(set,clear); |
|
1035 |
memcpy((TText8*)aBlock.Data()+writeOffset,&att,sizeof(TUint64)); |
|
1036 |
writeOffset += sizeof(TUint64); |
|
1037 |
break; |
|
1038 |
} |
|
1039 |
default: |
|
1040 |
{ |
|
1041 |
break; |
|
1042 |
} |
|
1043 |
} |
|
1044 |
} |
|
1045 |
||
1046 |
//Write to client buffer |
|
1047 |
TInt r = SynchroniseBuffer(aBlock,tail,notifSize); |
|
1048 |
||
1049 |
//Signal the iClientSyncLock. |
|
1050 |
//When all locks on this are signaled then CompleteClientRequest can be called. |
|
1051 |
//This signal moves when we have a cache system |
|
1052 |
iClientSyncLock.Signal(); |
|
1053 |
||
1054 |
//We need to complete if this was the first |
|
1055 |
//write to the client's buffer |
|
4
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1056 |
if (r == KErrNone) |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1057 |
{ |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1058 |
//We need to complete if this was the first |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1059 |
//write to the client's buffer |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1060 |
if(ClientMsgHandle()!=0) |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1061 |
{ |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1062 |
//RDebug::Print(_L("CFsNotifyRequest::NotifyChange iClientHead(%d) iClientTail(%d) iServerTail(%d) iClientBufferSize(%d)"),iClientHead,iClientTail,iServerTail,iClientBufferSize); |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1063 |
__PRINT4(_L("CFsNotifyRequest::NotifyChange iClientHead(%d) iClientTail(%d) iServerTail(%d) iClientBufferSize(%d)"),iClientHead,iClientTail,iServerTail,iClientBufferSize); |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1064 |
CompleteClientRequest(KErrNone); |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1065 |
} |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1066 |
else if(!overflow) |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1067 |
{ |
0 | 1068 |
SetActive(CFsNotifyRequest::EOutstanding); |
4
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1069 |
} |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1070 |
else //Overflow |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1071 |
{ |
0 | 1072 |
SetActive(CFsNotifyRequest::EOutstandingOverflow); |
4
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1073 |
} |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1074 |
} |
56f325a607ea
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1075 |
else // r!=KErrNone |
0 | 1076 |
{ |
1077 |
//RDebug::Print(_L("sf_notifier.cpp line %d function = %d, r = %d"),__LINE__, aRequest->FsFunction(),r); |
|
1078 |
//RDebug::Print(_L("iServerTail=%d, tail=%d, iClientBufferSize=%d, overflow=%d"),iServerTail,tail,iClientBufferSize,overflow); |
|
1079 |
} |
|
1080 |
return r; |
|
1081 |
} |
|
1082 |
||
1083 |
#ifdef SYMBIAN_F32_ENHANCED_CHANGE_NOTIFICATION |
|
1084 |
||
1085 |
//A change has occurred in f32 represented by this |
|
1086 |
//request object. Work out which CfsNotify’s are interested |
|
1087 |
// (if any) and call CfsNotifyRequest::NotifyChange. |
|
1088 |
void FsNotificationManager::HandleChange(CFsClientMessageRequest* aRequest,const TDesC& aOperationName, TFsNotification::TFsNotificationType aType) |
|
1089 |
{ |
|
1090 |
__PRINT2(_L("FsNotificationManager::HandleChange() aRequest=0x%x, aType=%d"),&aRequest,aType); |
|
1091 |
||
1092 |
Lock(); //ToDo: Read Lock (Read/Write Lock) |
|
1093 |
if(Count()) |
|
1094 |
{ |
|
1095 |
//Only search while there are filters of this type set up. |
|
1096 |
TInt index = FsNotificationHelper::TypeToIndex(aType); |
|
1097 |
TInt& filterCount = FsNotificationManager::FilterRegister(index); |
|
1098 |
TInt seenFilter = filterCount; //Number of requests set up for this type |
|
1099 |
||
1100 |
//Iterate CFsNotifyRequests |
|
1101 |
TInt count = iNotifyRequests->Count(); |
|
1102 |
||
1103 |
if(aType == TFsNotification::EMediaChange) |
|
1104 |
seenFilter = count; |
|
1105 |
||
1106 |
//If there aren't any requests then breakout |
|
1107 |
if(count == 0) |
|
1108 |
{ |
|
1109 |
Unlock(); |
|
1110 |
return; |
|
1111 |
} |
|
1112 |
||
1113 |
TInt driveNum = FsNotificationHelper::DriveNumber(aOperationName); |
|
1114 |
||
1115 |
//For every notification request. |
|
1116 |
for(TInt i=0; i<count && seenFilter; ++i) |
|
1117 |
{ |
|
1118 |
CFsNotifyRequest* notifyRequest = (CFsNotifyRequest*)(*iNotifyRequests)[i]; |
|
1119 |
CFsNotifyRequest::TNotifyRequestStatus status = notifyRequest->ActiveStatus(); |
|
1120 |
if(! (status==CFsNotifyRequest::EActive || |
|
1121 |
status==CFsNotifyRequest::EOutstanding)) |
|
1122 |
{ |
|
1123 |
//Not active; check next notification request |
|
1124 |
continue; |
|
1125 |
} |
|
1126 |
||
1127 |
//Check whether we are interested in this change. |
|
1128 |
//Get the filters associated with this operation on this drive |
|
1129 |
TFsNotificationTypeArray* filterList = notifyRequest->FilterTypeList(driveNum,index); |
|
1130 |
DoHandleChange(filterList,seenFilter,aRequest,notifyRequest,aOperationName,aType); |
|
1131 |
||
1132 |
if(aType==TFsNotification::EMediaChange) |
|
1133 |
continue; //next request |
|
1134 |
||
1135 |
//If there are still filters to check |
|
1136 |
if(seenFilter) |
|
1137 |
{ |
|
1138 |
//Check changes that are not tied to a particular drive |
|
1139 |
filterList = notifyRequest->FilterTypeList(KErrNotFound,index); |
|
1140 |
DoHandleChange(filterList,seenFilter,aRequest,notifyRequest,aOperationName,aType); |
|
1141 |
} |
|
1142 |
} |
|
1143 |
} |
|
1144 |
Unlock(); |
|
1145 |
} |
|
1146 |
||
1147 |
//A change has occurred in f32 represented by this |
|
1148 |
//request object. Work out which CfsNotify’s are interested |
|
1149 |
// (if any) and call CfsNotifyRequest::NotifyChange. |
|
1150 |
void FsNotificationManager::HandleChange(CFsClientMessageRequest& aRequest, TFsNotification::TFsNotificationType aType) |
|
1151 |
{ |
|
1152 |
__PRINT(_L("FsNotificationManager::HandleChange")); |
|
1153 |
TFileName currentOperationsName; |
|
1154 |
FsNotificationHelper::PathName(aRequest, currentOperationsName); |
|
1155 |
if(currentOperationsName.Length()) |
|
1156 |
HandleChange(&aRequest,currentOperationsName,aType); |
|
1157 |
} |
|
1158 |
||
1159 |
//A change has occurred in f32 represented by this |
|
1160 |
//request object. Work out which CfsNotify’s are interested |
|
1161 |
// (if any) and call CfsNotifyRequest::NotifyChange. |
|
1162 |
void FsNotificationManager::HandleChange(CFsClientMessageRequest& aRequest) |
|
1163 |
{ |
|
1164 |
if(Count() && aRequest.Message().Handle() != KLocalMessageHandle) |
|
1165 |
{ |
|
1166 |
__PRINT(_L("FsNotificationManager::HandleChange")); |
|
1167 |
TFsNotification::TFsNotificationType operationNotificationType; |
|
1168 |
FsNotificationHelper::NotificationType(aRequest.FsFunction(), operationNotificationType); |
|
1169 |
HandleChange(aRequest,operationNotificationType); |
|
1170 |
} |
|
1171 |
} |
|
1172 |
||
1173 |
||
1174 |
//// |
|
1175 |
#else |
|
1176 |
//// |
|
1177 |
||
1178 |
void FsNotificationManager::HandleChange(CFsClientMessageRequest* ,const TDesC&, TFsNotification::TFsNotificationType) |
|
1179 |
{ |
|
1180 |
return; |
|
1181 |
} |
|
1182 |
||
1183 |
void FsNotificationManager::HandleChange(CFsClientMessageRequest& , TFsNotification::TFsNotificationType) |
|
1184 |
{ |
|
1185 |
return; |
|
1186 |
} |
|
1187 |
||
1188 |
void FsNotificationManager::HandleChange(CFsClientMessageRequest&) |
|
1189 |
{ |
|
1190 |
return; |
|
1191 |
} |
|
1192 |
||
1193 |
#endif //SYMBIAN_F32_ENHANCED_CHANGE_NOTIFICATION |
|
1194 |
||
1195 |
//Called from FsNotificationManager::DoHandleChange |
|
1196 |
FsNotificationManager::TFsNotificationFilterMatch FsNotificationManager::DoMatchFilter(CFsClientMessageRequest* aRequest, const TDesC& aOperationName,CFsNotificationPathFilter& aFilter) |
|
1197 |
{ |
|
1198 |
TFsNotificationFilterMatch filterMatch = EDifferent; |
|
1199 |
TParsePtrC parseOp(aOperationName); |
|
1200 |
TPtrC pathOpDes = parseOp.DriveAndPath(); |
|
1201 |
TPtrC nameOpDes = parseOp.NameAndExt(); |
|
1202 |
TInt pathLength = aFilter.iPath->Des().Length(); |
|
1203 |
TInt nameLength = aFilter.iFilename->Des().Length(); |
|
1204 |
TInt paths = -1; |
|
1205 |
TInt names = -1; |
|
1206 |
if(pathLength != 0) |
|
1207 |
{ |
|
1208 |
paths = pathOpDes.MatchF(aFilter.iPath->Des()); |
|
1209 |
} |
|
1210 |
else //if no path filter was set up |
|
1211 |
// then we need to ensure we don't notify on data-caged areas which we shouldn't |
|
1212 |
{ |
|
1213 |
TInt r = PathCheck(aRequest,aOperationName.Mid(2),&KCapFsSysFileTemp,&KCapFsPriFileTemp,&KCapFsROFileTemp, __PLATSEC_DIAGNOSTIC_STRING("FsNotificationManager::DoHandleChange")); |
|
1214 |
if(r != KErrNone) |
|
1215 |
return EContinue; //next filter |
|
1216 |
} |
|
1217 |
||
1218 |
if(nameLength != 0) |
|
1219 |
{ |
|
1220 |
names = nameOpDes.MatchF(aFilter.iFilename->Des()); |
|
1221 |
} |
|
1222 |
//Check: Path & Names Match |
|
1223 |
if((paths == 0 || pathLength==0) && // paths match && |
|
1224 |
(names >= 0 || (nameLength==0 && nameOpDes.Length()==0))) // names match OR there are no names (i.e. operation is a dir and no filename filter) |
|
1225 |
{ |
|
1226 |
filterMatch = EMatch; |
|
1227 |
} |
|
1228 |
return filterMatch; |
|
1229 |
} |
|
1230 |
||
1231 |
// This is called on a per drive basis. |
|
1232 |
void FsNotificationManager::DoHandleChange(TFsNotificationTypeArray* aFilterTypeArray,TInt& aSeenFilter, CFsClientMessageRequest* aRequest, CFsNotifyRequest* aNotifyRequest, const TDesC& aOperationName, TFsNotification::TFsNotificationType& aType) |
|
1233 |
{ |
|
1234 |
__PRINT(_L("FsNotificationManager::DoHandleChange()")); |
|
1235 |
||
1236 |
if(!aFilterTypeArray) |
|
1237 |
return; |
|
1238 |
||
1239 |
TInt numFilters = aFilterTypeArray->Count(); |
|
1240 |
||
1241 |
if(aType == TFsNotification::EMediaChange) |
|
1242 |
numFilters = 1; //Only need to notify once per drive. |
|
1243 |
||
1244 |
//For every filter in this request |
|
1245 |
for(TInt j = 0; j < numFilters;++j) |
|
1246 |
{ |
|
1247 |
//Is the correct notification type |
|
1248 |
aSeenFilter--; |
|
1249 |
||
1250 |
TBool filterMatch = EDifferent; |
|
1251 |
if(aType != TFsNotification::EMediaChange) |
|
1252 |
{ |
|
1253 |
CFsNotificationPathFilter& filter = *(((*aFilterTypeArray)[j]).iPathFilter); |
|
1254 |
__PRINT2(_L("FsNotificationManager::DoHandleChange() operationName=%S, filterName=%S"),&aOperationName,filter.iPath); |
|
1255 |
||
1256 |
filterMatch = DoMatchFilter(aRequest,aOperationName,filter); |
|
1257 |
if(filterMatch == FsNotificationManager::EContinue) |
|
1258 |
continue; //triggers for data cages |
|
1259 |
||
1260 |
//We need to check for changes coming in to a directory when its rename |
|
1261 |
if(aType == TFsNotification::ERename && filterMatch==FsNotificationManager::EDifferent) |
|
1262 |
{ |
|
1263 |
TPtrC aDestinationNamePtrC; |
|
1264 |
FsNotificationHelper::NewPathName(*aRequest,aDestinationNamePtrC); |
|
1265 |
__PRINT2(_L("FsNotificationManager::DoHandleChange() destinationName=%S, filterName=%S"),&aDestinationNamePtrC,filter.iPath); |
|
1266 |
filterMatch = DoMatchFilter(aRequest,aDestinationNamePtrC,filter); |
|
1267 |
} |
|
1268 |
} |
|
1269 |
||
1270 |
if(filterMatch || (aType == TFsNotification::EMediaChange))//Match or MediaChange (report regardless of filters) |
|
1271 |
{ |
|
1272 |
//Matching - Handle change |
|
1273 |
||
1274 |
//Get a CFsNotificationBlock to use |
|
1275 |
//So that we can do IPC from a single place. |
|
1276 |
CFsNotificationBlock* block = iPool->Allocate(); |
|
1277 |
||
1278 |
TInt r = aNotifyRequest->NotifyChange(aRequest,aOperationName,aType,*block); |
|
1279 |
||
1280 |
//Free block |
|
1281 |
iPool->Free(block); |
|
1282 |
||
1283 |
if(r != KErrNone) |
|
1284 |
{ |
|
1285 |
//Something went wrong writing to the client's buffer |
|
1286 |
aNotifyRequest->SetActive(CFsNotifyRequest::EInactive); |
|
1287 |
if(aNotifyRequest->ClientMsgHandle()!=0) |
|
1288 |
aNotifyRequest->CompleteClientRequest(r,EFalse); |
|
1289 |
break; //Go to outer for (i.e. next request in HandleChange) |
|
1290 |
} |
|
1291 |
} |
|
1292 |
continue; //next filter |
|
1293 |
} |
|
1294 |
} |