|
1 // Copyright (c) 2006-2009 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 "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 // |
|
15 |
|
16 #include <bautils.h> |
|
17 #include <mtp/cmtptypestring.h> |
|
18 #include <mtp/mtpdatatypeconstants.h> |
|
19 #include <mtp/mtpprotocolconstants.h> |
|
20 |
|
21 #include "cmtpdataprovidercontroller.h" |
|
22 #include "cmtpstoragemgr.h" |
|
23 |
|
24 // Class constants. |
|
25 __FLOG_STMT(_LIT8(KComponent,"StorageMgr");) |
|
26 |
|
27 // StorageID bit manipulation patterns. |
|
28 static const TUint32 KLogicalIdMask(0x0000FFFF); |
|
29 static const TUint32 KPhysicalIdMask(0xFFFF0000); |
|
30 |
|
31 static const TUint KLogicalNumberMask(0x000000FF); |
|
32 static const TUint KLogicalOwnerShift(8); |
|
33 static const TUint KPhysicalNumberShift(16); |
|
34 static const TUint KPhysicalOwnerShift(24); |
|
35 static const TUint8 KMaxOwnedStorages(0xFF); |
|
36 |
|
37 /** |
|
38 MTP data provider framework storage manager factory method. |
|
39 @return A pointer to an MTP data provider framework storage manager. Ownership |
|
40 IS transfered. |
|
41 @leave One of the system wide error codes, if a processing failure occurs. |
|
42 */ |
|
43 EXPORT_C CMTPStorageMgr* CMTPStorageMgr::NewL() |
|
44 { |
|
45 CMTPStorageMgr* self = new(ELeave) CMTPStorageMgr(); |
|
46 CleanupStack::PushL(self); |
|
47 self->ConstructL(); |
|
48 CleanupStack::Pop(self); |
|
49 return self; |
|
50 } |
|
51 |
|
52 /** |
|
53 Destructor. |
|
54 */ |
|
55 EXPORT_C CMTPStorageMgr::~CMTPStorageMgr() |
|
56 { |
|
57 __FLOG(_L8("~CMTPStorageMgr - Entry")); |
|
58 iPhysicalStorageNumbers.Reset(); |
|
59 iStorages.ResetAndDestroy(); |
|
60 iSingletons.Close(); |
|
61 __FLOG(_L8("~CMTPStorageMgr - Exit")); |
|
62 __FLOG_CLOSE; |
|
63 } |
|
64 |
|
65 /** |
|
66 Extracts the storage number of the logical storage ID encoded in the specified |
|
67 StorageID. |
|
68 @param aStorageId The storage ID. |
|
69 @return The storage number. |
|
70 */ |
|
71 EXPORT_C TUint CMTPStorageMgr::LogicalStorageNumber(TUint32 aStorageId) |
|
72 { |
|
73 return (aStorageId & KLogicalNumberMask); |
|
74 } |
|
75 |
|
76 /** |
|
77 Extracts the ID of the data provider responsible for the logical storage ID |
|
78 encoded in the specified StorageID. |
|
79 @param aStorageId The storage ID. |
|
80 @return The data provider owner ID. |
|
81 */ |
|
82 EXPORT_C TUint CMTPStorageMgr::LogicalStorageOwner(TUint32 aStorageId) |
|
83 { |
|
84 return ((aStorageId & KLogicalIdMask) >> KLogicalOwnerShift); |
|
85 } |
|
86 |
|
87 /** |
|
88 Extracts the storage number of the physical storage ID encoded in the specified |
|
89 StorageID. |
|
90 @param aStorageId The storage ID. |
|
91 @return The storage number. |
|
92 */ |
|
93 EXPORT_C TUint CMTPStorageMgr::PhysicalStorageNumber(TUint32 aStorageId) |
|
94 { |
|
95 return ((aStorageId & KPhysicalIdMask) >> KPhysicalNumberShift); |
|
96 } |
|
97 |
|
98 /** |
|
99 Extracts the ID of the data provider responsible for the physical storage ID |
|
100 encoded in the specified StorageID. |
|
101 @param aStorageId The storage ID. |
|
102 @return The data provider owner ID. |
|
103 */ |
|
104 EXPORT_C TUint CMTPStorageMgr::PhysicalStorageOwner(TUint32 aStorageId) |
|
105 { |
|
106 return ((aStorageId & KPhysicalIdMask) >> KPhysicalOwnerShift); |
|
107 } |
|
108 |
|
109 /** |
|
110 Sets the default MTP StorageID. This should be set once at start up and not |
|
111 subsequently changed. |
|
112 @param aStorageId The system default MTP StorageID. |
|
113 @panic USER 0, in debug builds only, if the default StorageID is set more than |
|
114 once. |
|
115 */ |
|
116 EXPORT_C void CMTPStorageMgr::SetDefaultStorageId(TUint32 aStorageId) |
|
117 { |
|
118 __FLOG(_L8("SetDefaultStorageId - Entry")); |
|
119 iDefaultStorageId = aStorageId; |
|
120 __FLOG_VA((_L8("Default StorageId = 0x%08X"), aStorageId)); |
|
121 __FLOG(_L8("SetDefaultStorageId - Exit")); |
|
122 } |
|
123 |
|
124 /** |
|
125 Creates a mapping between the specified Symbian OS drive number and MTP |
|
126 StorageID. |
|
127 @param aDriveNumber The Symbian OS drive number. |
|
128 @param aStorageId The MTP StorageID. |
|
129 @leave One of the sysem wide error codes, if a processing failure occurs. |
|
130 */ |
|
131 EXPORT_C void CMTPStorageMgr::SetDriveMappingL(TDriveNumber aDriveNumber, TUint32 aStorageId) |
|
132 { |
|
133 __FLOG(_L8("DefineDriveNumberMapping - Entry")); |
|
134 iMapDriveToStorage[aDriveNumber] = aStorageId; |
|
135 __FLOG_VA((_L8("Drive number %d = StorageID 0x%08X"), aDriveNumber, aStorageId)); |
|
136 __FLOG(_L8("DefineDriveNumberMapping - Exit")); |
|
137 } |
|
138 |
|
139 /** |
|
140 Sets the framework storages owner identifier. This should be set once at start |
|
141 up and not subsequently changed. |
|
142 @param aDataProviderId The framework storages owner identifier. |
|
143 @panic USER 0, in debug builds only, if the framework storages owner identifier |
|
144 is set more than once. |
|
145 */ |
|
146 EXPORT_C void CMTPStorageMgr::SetFrameworkId(TUint aDataProviderId) |
|
147 { |
|
148 __FLOG(_L8("SetFrameworkStoragesOwner - Entry")); |
|
149 __ASSERT_DEBUG((iFrameworkId == KErrNotFound), User::Invariant()); |
|
150 iFrameworkId = aDataProviderId; |
|
151 __FLOG_VA((_L8("System storages owner DP Id = %d"), aDataProviderId)); |
|
152 __FLOG(_L8("SetFrameworkStoragesOwner - Exit")); |
|
153 } |
|
154 |
|
155 EXPORT_C TUint32 CMTPStorageMgr::AllocateLogicalStorageIdL(TUint aDataProviderId, TDriveNumber aDriveNumber, const CMTPStorageMetaData& aStorage) |
|
156 { |
|
157 __FLOG(_L8("AllocateLogicalStorageIdL - Entry")); |
|
158 TUint id(AllocateLogicalStorageIdL(aDataProviderId, PhysicalStorageId(aDriveNumber), aStorage)); |
|
159 __FLOG(_L8("AllocateLogicalStorageIdL - Exit")); |
|
160 return id; |
|
161 } |
|
162 |
|
163 EXPORT_C TUint32 CMTPStorageMgr::AllocateLogicalStorageIdL(TUint aDataProviderId, TUint32 aPhysicalStorageId, const CMTPStorageMetaData& aStorage) |
|
164 { |
|
165 __FLOG(_L8("AllocateLogicalStorageIdL - Entry")); |
|
166 //if support uninstall DP, comment the below assert. |
|
167 //__ASSERT_DEBUG((aDataProviderId < iSingletons.DpController().Count()), User::Invariant()); |
|
168 |
|
169 // Resolve the physical storage. |
|
170 CMTPStorageMetaData& physical(StorageMetaDataL(aPhysicalStorageId)); |
|
171 // Validate the SUID and storage type. |
|
172 if (iStorages.Find(aStorage.DesC(CMTPStorageMetaData::EStorageSuid), StorageKeyMatchSuid) != KErrNotFound) |
|
173 { |
|
174 // SUID is not unique. |
|
175 User::Leave(KErrAlreadyExists); |
|
176 } |
|
177 else if (aStorage.Uint(CMTPStorageMetaData::EStorageSystemType) != physical.Uint(CMTPStorageMetaData::EStorageSystemType)) |
|
178 { |
|
179 // Physical/logical storage type mis-match. |
|
180 User::Leave(KErrArgument); |
|
181 } |
|
182 else if (aStorage.Uint(CMTPStorageMetaData::EStorageSystemType) == CMTPStorageMetaData::ESystemTypeDefaultFileSystem) |
|
183 { |
|
184 // Validate that the SUID path exists. |
|
185 if (!BaflUtils::PathExists(iSingletons.Fs(), aStorage.DesC(CMTPStorageMetaData::EStorageSuid))) |
|
186 { |
|
187 User::Leave(KErrPathNotFound); |
|
188 } |
|
189 |
|
190 // Validate that the SUID path corresponds to the physical storage drive. |
|
191 TInt storageDrive(DriveNumber(aPhysicalStorageId)); |
|
192 TParse p; |
|
193 User::LeaveIfError(p.Set(aStorage.DesC(CMTPStorageMetaData::EStorageSuid), NULL, NULL)); |
|
194 TInt suidDrive(0); |
|
195 User::LeaveIfError(iSingletons.Fs().CharToDrive(TChar(p.Drive()[0]), suidDrive)); |
|
196 if (suidDrive != storageDrive) |
|
197 { |
|
198 // SUID path/physical storage drive mis-match. |
|
199 User::Leave(KErrArgument); |
|
200 } |
|
201 } |
|
202 |
|
203 // Allocate a logical StorageId. |
|
204 TInt32 id(AllocateLogicalStorageId(aDataProviderId, aPhysicalStorageId)); |
|
205 User::LeaveIfError(id); |
|
206 |
|
207 // Create the logical storage meta-data. |
|
208 CMTPStorageMetaData* logical(CMTPStorageMetaData::NewLC(aStorage)); |
|
209 logical->SetUint(CMTPStorageMetaData::EStorageId, id); |
|
210 |
|
211 // Store the logical storage meta-data. |
|
212 iStorages.InsertInOrderL(logical, StorageOrder); |
|
213 CleanupStack::Pop(logical); |
|
214 |
|
215 // Associate the logical and physical storages. |
|
216 RArray<TUint> logicals; |
|
217 CleanupClosePushL(logicals); |
|
218 physical.GetUintArrayL(CMTPStorageMetaData::EStorageLogicalIds, logicals); |
|
219 logicals.InsertInOrderL(id); |
|
220 physical.SetUintArrayL(CMTPStorageMetaData::EStorageLogicalIds, logicals); |
|
221 CleanupStack::PopAndDestroy(&logicals); |
|
222 |
|
223 #ifdef __FLOG_ACTIVE |
|
224 HBufC8* buf(HBufC8::NewLC(aStorage.DesC(CMTPStorageMetaData::EStorageSuid).Length())); |
|
225 buf->Des().Copy(aStorage.DesC(CMTPStorageMetaData::EStorageSuid)); |
|
226 __FLOG_VA((_L8("Allocated logical StorageID 0x%08X for storage SUID %S"), id, buf)); |
|
227 CleanupStack::PopAndDestroy(buf); |
|
228 #endif // __FLOG_ACTIVE |
|
229 __FLOG(_L8("AllocateLogicalStorageIdL - Exit")); |
|
230 return id; |
|
231 } |
|
232 |
|
233 EXPORT_C TUint32 CMTPStorageMgr::AllocatePhysicalStorageIdL(TUint aDataProviderId, const CMTPStorageMetaData& aStorage) |
|
234 { |
|
235 __FLOG(_L8("AllocatePhysicalStorageIdL - Entry")); |
|
236 |
|
237 // Validate the SUID. |
|
238 if (iStorages.Find(aStorage.DesC(CMTPStorageMetaData::EStorageSuid), StorageKeyMatchSuid) != KErrNotFound) |
|
239 { |
|
240 // SUID is not unique. |
|
241 User::Leave(KErrAlreadyExists); |
|
242 } |
|
243 |
|
244 // Allocate a physical StorageId. |
|
245 TInt32 id(AllocatePhysicalStorageId(aDataProviderId)); |
|
246 User::LeaveIfError(id); |
|
247 |
|
248 // Create the physical storage meta-data. |
|
249 CMTPStorageMetaData* physical(CMTPStorageMetaData::NewLC(aStorage)); |
|
250 const RArray<TUint> noStorages; |
|
251 physical->SetUint(CMTPStorageMetaData::EStorageId, id); |
|
252 physical->SetUintArrayL(CMTPStorageMetaData::EStorageLogicalIds, noStorages); |
|
253 |
|
254 // Store the physical storage meta-data. |
|
255 iStorages.InsertInOrderL(physical, StorageOrder); |
|
256 CleanupStack::Pop(physical); |
|
257 |
|
258 __FLOG_VA((_L8("Allocated physical StorageID 0x%08X"), id)); |
|
259 __FLOG(_L8("AllocatePhysicalStorageIdL - Exit")); |
|
260 return id; |
|
261 } |
|
262 |
|
263 EXPORT_C TInt CMTPStorageMgr::DeallocateLogicalStorageId(TUint aDataProviderId, TUint32 aLogicalStorageId) |
|
264 { |
|
265 __FLOG(_L8("DeallocateLogicalStorageId - Entry")); |
|
266 TInt ret(KErrArgument); |
|
267 |
|
268 // Validate the StorageID. |
|
269 if (LogicalStorageId(aLogicalStorageId)) |
|
270 { |
|
271 ret = iStorages.FindInOrder(aLogicalStorageId, StorageOrder); |
|
272 if (ret != KErrNotFound) |
|
273 { |
|
274 // Validate the storage owner. |
|
275 if (LogicalStorageOwner(iStorages[ret]->Uint(CMTPStorageMetaData::EStorageId)) != aDataProviderId) |
|
276 { |
|
277 ret = KErrAccessDenied; |
|
278 } |
|
279 else |
|
280 { |
|
281 TRAPD(err, RemoveLogicalStorageL(ret)); |
|
282 ret = err; |
|
283 } |
|
284 } |
|
285 } |
|
286 __FLOG(_L8("DeallocateLogicalStorageId - Exit")); |
|
287 return ret; |
|
288 } |
|
289 |
|
290 EXPORT_C void CMTPStorageMgr::DeallocateLogicalStorageIds(TUint aDataProviderId, TUint32 aPhysicalStorageId) |
|
291 { |
|
292 __FLOG(_L8("DeallocateLogicalStorageIds - Entry")); |
|
293 TInt ret(iStorages.FindInOrder(aPhysicalStorageId, StorageOrder)); |
|
294 if (ret != KErrNotFound) |
|
295 { |
|
296 const RArray<TUint>& logicals(iStorages[ret]->UintArray(CMTPStorageMetaData::EStorageLogicalIds)); |
|
297 TUint count(logicals.Count()); |
|
298 while (count) |
|
299 { |
|
300 const TUint KIdx(count - 1); |
|
301 if (LogicalStorageOwner(logicals[KIdx]) == aDataProviderId) |
|
302 { |
|
303 DeallocateLogicalStorageId(aDataProviderId, logicals[KIdx]); |
|
304 } |
|
305 count--; |
|
306 } |
|
307 } |
|
308 __FLOG(_L8("DeallocateLogicalStorageIds - Exit")); |
|
309 } |
|
310 |
|
311 EXPORT_C TInt CMTPStorageMgr::DeallocatePhysicalStorageId(TUint aDataProviderId, TUint32 aPhysicalStorageId) |
|
312 { |
|
313 __FLOG(_L8("DeallocatePhysicalStorageId - Entry")); |
|
314 TInt ret(KErrArgument); |
|
315 |
|
316 // Validate the StorageID. |
|
317 if (!LogicalStorageId(aPhysicalStorageId)) |
|
318 { |
|
319 ret = iStorages.FindInOrder(aPhysicalStorageId, StorageOrder); |
|
320 if (ret != KErrNotFound) |
|
321 { |
|
322 // Validate the storage owner. |
|
323 if (PhysicalStorageOwner(iStorages[ret]->Uint(CMTPStorageMetaData::EStorageId)) != aDataProviderId) |
|
324 { |
|
325 ret = KErrAccessDenied; |
|
326 } |
|
327 else |
|
328 { |
|
329 // Deallocate all associated logical storages. |
|
330 const RArray<TUint>& logicals(iStorages[ret]->UintArray(CMTPStorageMetaData::EStorageLogicalIds)); |
|
331 TUint count(logicals.Count()); |
|
332 while (count) |
|
333 { |
|
334 const TUint KIdx(--count); |
|
335 DeallocateLogicalStorageId(aDataProviderId, logicals[KIdx]); |
|
336 } |
|
337 |
|
338 // Delete the storage. |
|
339 delete iStorages[ret]; |
|
340 iStorages.Remove(ret); |
|
341 } |
|
342 } |
|
343 } |
|
344 __FLOG(_L8("DeallocatePhysicalStorageId - Exit")); |
|
345 return ret; |
|
346 } |
|
347 |
|
348 EXPORT_C TUint32 CMTPStorageMgr::DefaultStorageId() const |
|
349 { |
|
350 __FLOG(_L8("DefaultStorageId - Entry")); |
|
351 __FLOG(_L8("DefaultStorageId - Exit")); |
|
352 return iDefaultStorageId; |
|
353 } |
|
354 |
|
355 EXPORT_C TInt CMTPStorageMgr::DriveNumber(TUint32 aStorageId) const |
|
356 { |
|
357 __FLOG(_L8("DriveNumber - Entry")); |
|
358 TInt drive(KErrNotFound); |
|
359 if (PhysicalStorageOwner(aStorageId) == iFrameworkId) |
|
360 { |
|
361 const TUint32 KPhysicalId(PhysicalStorageId(aStorageId)); |
|
362 const TUint KCount(iMapDriveToStorage.Count()); |
|
363 for (TUint i(0); ((i < KCount) && (drive == KErrNotFound)); i++) |
|
364 { |
|
365 if (PhysicalStorageId(iMapDriveToStorage[i]) == KPhysicalId) |
|
366 { |
|
367 drive = i; |
|
368 } |
|
369 } |
|
370 } |
|
371 __FLOG(_L8("DriveNumber - Exit")); |
|
372 return drive; |
|
373 } |
|
374 |
|
375 EXPORT_C TInt32 CMTPStorageMgr::FrameworkStorageId(TDriveNumber aDriveNumber) const |
|
376 { |
|
377 __FLOG(_L8("FrameworkStorageId - Entry")); |
|
378 TInt32 ret(KErrNotFound); |
|
379 TInt32 id(iMapDriveToStorage[aDriveNumber]); |
|
380 if ((id != KErrNotFound) && (LogicalStorageId(id))) |
|
381 { |
|
382 ret = id; |
|
383 } |
|
384 __FLOG(_L8("FrameworkStorageId - Exit")); |
|
385 return ret; |
|
386 } |
|
387 |
|
388 EXPORT_C void CMTPStorageMgr::GetAvailableDrivesL(RArray<TDriveNumber>& aDrives) const |
|
389 { |
|
390 __FLOG(_L8("GetAvailableDrivesL - Entry")); |
|
391 aDrives.Reset(); |
|
392 for (TUint i(0); (i < iMapDriveToStorage.Count()); i++) |
|
393 { |
|
394 if (iMapDriveToStorage[i] != KErrNotFound) |
|
395 { |
|
396 aDrives.AppendL(static_cast<TDriveNumber>(i)); |
|
397 } |
|
398 } |
|
399 __FLOG(_L8("GetAvailableDrivesL - Exit")); |
|
400 } |
|
401 |
|
402 EXPORT_C void CMTPStorageMgr::GetLogicalStoragesL(const TMTPStorageMgrQueryParams& aParams, RPointerArray<const CMTPStorageMetaData>& aStorages) const |
|
403 { |
|
404 __FLOG(_L8("GetLogicalStoragesL - Entry")); |
|
405 aStorages.Reset(); |
|
406 const TBool KAllStorages(aParams.StorageSuid() == KNullDesC); |
|
407 const TBool KAllStorageSystemTypes(aParams.StorageSystemType() == CMTPStorageMetaData::ESystemTypeUndefined); |
|
408 const TUint KCount(iStorages.Count()); |
|
409 for (TUint i(0); (i < KCount); i++) |
|
410 { |
|
411 const CMTPStorageMetaData& storage(*iStorages[i]); |
|
412 if (((KAllStorages) || (storage.DesC(CMTPStorageMetaData::EStorageSuid) == aParams.StorageSuid())) && |
|
413 ((KAllStorageSystemTypes) || (storage.Uint(CMTPStorageMetaData::EStorageSystemType) == aParams.StorageSystemType())) && |
|
414 (LogicalStorageId(storage.Uint(CMTPStorageMetaData::EStorageId)))) |
|
415 { |
|
416 aStorages.AppendL(iStorages[i]); |
|
417 } |
|
418 } |
|
419 __FLOG(_L8("GetLogicalStoragesL - Exit")); |
|
420 } |
|
421 |
|
422 EXPORT_C void CMTPStorageMgr::GetPhysicalStoragesL(const TMTPStorageMgrQueryParams& aParams, RPointerArray<const CMTPStorageMetaData>& aStorages) const |
|
423 { |
|
424 __FLOG(_L8("GetPhysicalStoragesL - Entry")); |
|
425 aStorages.Reset(); |
|
426 const TBool KAllStorages(aParams.StorageSuid() == KNullDesC); |
|
427 const TBool KAllStorageSystemTypes(aParams.StorageSystemType() == CMTPStorageMetaData::ESystemTypeUndefined); |
|
428 const TUint KCount(iStorages.Count()); |
|
429 for (TUint i(0); (i < KCount); i++) |
|
430 { |
|
431 const CMTPStorageMetaData& storage(*iStorages[i]); |
|
432 if (((KAllStorages) || (storage.DesC(CMTPStorageMetaData::EStorageSuid) == aParams.StorageSuid())) && |
|
433 ((KAllStorageSystemTypes) || (storage.Uint(CMTPStorageMetaData::EStorageSystemType) == aParams.StorageSystemType())) && |
|
434 (!LogicalStorageId(storage.Uint(CMTPStorageMetaData::EStorageId)))) |
|
435 { |
|
436 aStorages.AppendL(iStorages[i]); |
|
437 } |
|
438 } |
|
439 __FLOG(_L8("GetPhysicalStoragesL - Exit")); |
|
440 } |
|
441 |
|
442 EXPORT_C TUint32 CMTPStorageMgr::LogicalStorageId(TUint32 aStorageId) const |
|
443 { |
|
444 __FLOG(_L8("LogicalStorageId - Entry")); |
|
445 __FLOG(_L8("LogicalStorageId - Exit")); |
|
446 return (aStorageId & KLogicalIdMask); |
|
447 } |
|
448 |
|
449 EXPORT_C TInt32 CMTPStorageMgr::LogicalStorageId(const TDesC& aStorageSuid) const |
|
450 { |
|
451 __FLOG(_L8("LogicalStorageId - Entry")); |
|
452 TInt32 id(KErrNotFound); |
|
453 TInt idx(iStorages.Find(aStorageSuid, StorageKeyMatchSuid)); |
|
454 if (idx != KErrNotFound) |
|
455 { |
|
456 id = iStorages[idx]->Uint(CMTPStorageMetaData::EStorageId); |
|
457 if (!LogicalStorageId(id)) |
|
458 { |
|
459 id = KErrNotFound; |
|
460 } |
|
461 } |
|
462 __FLOG(_L8("LogicalStorageId - Exit")); |
|
463 return id; |
|
464 } |
|
465 |
|
466 EXPORT_C TInt32 CMTPStorageMgr::PhysicalStorageId(TDriveNumber aDriveNumber) const |
|
467 { |
|
468 __FLOG(_L8("PhysicalStorageId - Entry")); |
|
469 TInt32 storageId(iMapDriveToStorage[aDriveNumber]); |
|
470 if (storageId != KErrNotFound) |
|
471 { |
|
472 storageId = PhysicalStorageId(storageId); |
|
473 } |
|
474 __FLOG(_L8("PhysicalStorageId - Exit")); |
|
475 return storageId; |
|
476 } |
|
477 |
|
478 EXPORT_C TUint32 CMTPStorageMgr::PhysicalStorageId(TUint32 aStorageId) const |
|
479 { |
|
480 __FLOG(_L8("PhysicalStorageId - Entry")); |
|
481 __FLOG(_L8("PhysicalStorageId - Exit")); |
|
482 return (aStorageId & KPhysicalIdMask); |
|
483 } |
|
484 |
|
485 EXPORT_C const CMTPStorageMetaData& CMTPStorageMgr::StorageL(TUint32 aStorageId) const |
|
486 { |
|
487 __FLOG(_L8("StorageL - Entry")); |
|
488 TInt idx(iStorages.FindInOrder(aStorageId, StorageOrder)); |
|
489 User::LeaveIfError(idx); |
|
490 __FLOG(_L8("StorageL - Exit")); |
|
491 return *iStorages[idx]; |
|
492 } |
|
493 |
|
494 EXPORT_C TUint32 CMTPStorageMgr::StorageId(TUint32 aPhysicalStorageId, TUint32 aLogicalStorageId) const |
|
495 { |
|
496 __FLOG(_L8("StorageId - Entry")); |
|
497 __FLOG(_L8("StorageId - Exit")); |
|
498 return (aPhysicalStorageId | aLogicalStorageId); |
|
499 } |
|
500 |
|
501 EXPORT_C TBool CMTPStorageMgr::ValidStorageId(TUint32 aStorageId) const |
|
502 { |
|
503 __FLOG(_L8("ValidStorageId - Entry")); |
|
504 TInt idx(iStorages.FindInOrder(aStorageId, StorageOrder)); |
|
505 if(KErrNotFound == idx) |
|
506 { |
|
507 __FLOG(_L8("ValidStorageId - False Exit")); |
|
508 return EFalse; |
|
509 } |
|
510 |
|
511 _LIT(KSeperator,"\\"); |
|
512 TBool ret = ETrue; |
|
513 if(iStorages[idx]->Uint(CMTPStorageMetaData::EStorageSystemType) == CMTPStorageMetaData::ESystemTypeDefaultFileSystem) |
|
514 { |
|
515 const TDesC& KSuid(iStorages[idx]->DesC(CMTPStorageMetaData::EStorageSuid)); |
|
516 if(LogicalStorageId(aStorageId) || (KSuid.Right(1) == KSeperator)) |
|
517 { |
|
518 ret = BaflUtils::PathExists(iSingletons.Fs(), KSuid); |
|
519 } |
|
520 else if(KSuid.Length() >= KMaxFileName) |
|
521 { |
|
522 ret = EFalse; |
|
523 } |
|
524 else |
|
525 { |
|
526 TFileName buf; |
|
527 buf.Append(KSuid); |
|
528 buf.Append(KSeperator); |
|
529 |
|
530 ret = BaflUtils::PathExists(iSingletons.Fs(), buf); |
|
531 } |
|
532 } |
|
533 |
|
534 __FLOG(_L8("ValidStorageId - Exit")); |
|
535 |
|
536 return ret; |
|
537 } |
|
538 |
|
539 EXPORT_C CMTPTypeString* CMTPStorageMgr::VolumeIdL(TUint aDataProviderId, TUint32 aStorageId, const TDesC& aVolumeIdSuffix) const |
|
540 { |
|
541 __FLOG(_L8("VolumeIdL - Entry")); |
|
542 |
|
543 // Validate the StorageId. |
|
544 TUint owner(LogicalStorageId(aStorageId) ? LogicalStorageOwner(aStorageId) : PhysicalStorageOwner(aStorageId)); |
|
545 if (!ValidStorageId(aStorageId)) |
|
546 { |
|
547 User::Leave(KErrNotFound); |
|
548 } |
|
549 else if (aDataProviderId != owner) |
|
550 { |
|
551 User::Leave(KErrAccessDenied); |
|
552 } |
|
553 |
|
554 // Generate a unique volume ID. |
|
555 RBuf16 buffer; |
|
556 buffer.CreateL(KMTPMaxStringCharactersLength); |
|
557 CleanupClosePushL(buffer); |
|
558 buffer.Format(_L("%08X"), aStorageId); |
|
559 |
|
560 if (aVolumeIdSuffix.Length() != 0) |
|
561 { |
|
562 // Append the separator and suffix, truncating if necessary. |
|
563 buffer.Append(_L("-")); |
|
564 buffer.Append(aVolumeIdSuffix.Left(KMTPMaxStringCharactersLength - buffer.Length())); |
|
565 } |
|
566 |
|
567 CMTPTypeString* volumeId = CMTPTypeString::NewL(buffer); |
|
568 CleanupStack::PopAndDestroy(&buffer); |
|
569 __FLOG(_L8("VolumeIdL - Exit")); |
|
570 return volumeId; |
|
571 } |
|
572 |
|
573 /** |
|
574 Constructor. |
|
575 */ |
|
576 CMTPStorageMgr::CMTPStorageMgr() : |
|
577 iFrameworkId(KErrNotFound) |
|
578 { |
|
579 |
|
580 } |
|
581 |
|
582 /** |
|
583 Second phase constructor. |
|
584 @leave One of the system wide error code, if a processing failure occurs. |
|
585 */ |
|
586 void CMTPStorageMgr::ConstructL() |
|
587 { |
|
588 __FLOG_OPEN(KMTPSubsystem, KComponent); |
|
589 __FLOG(_L8("ConstructL - Entry")); |
|
590 iSingletons.OpenL(); |
|
591 for (TUint i(0); (i < KMaxDrives); i++) |
|
592 { |
|
593 iMapDriveToStorage[i] = KErrNotFound; |
|
594 } |
|
595 __FLOG(_L8("ConstructL - Exit")); |
|
596 } |
|
597 |
|
598 /** |
|
599 Allocates a new 32-bit logical StorageId for the storage owner as a partition |
|
600 of the specified physical MTP StorageID. |
|
601 @param aDataProviderId The storage owner data provider identifier. |
|
602 @param aPhysicalStorageId The physical MTP StorageID. |
|
603 @return The new logical StorageId. |
|
604 @return KErrNotFound, if the specified physical MTP StorageID does not exist |
|
605 @return KErrOverflow, if the maximum number of storages would be exceeded. |
|
606 */ |
|
607 TInt32 CMTPStorageMgr::AllocateLogicalStorageId(TUint aDataProviderId, TUint32 aPhysicalStorageId) |
|
608 { |
|
609 __FLOG_STATIC(KMTPSubsystem, KComponent, _L8("AllocateLogicalStorageId - Entry")); |
|
610 TInt ret(iStorages.FindInOrder(aPhysicalStorageId, StorageOrder)); |
|
611 if (ret != KErrNotFound) |
|
612 { |
|
613 // Scan for the first available storage number. |
|
614 const RArray<TUint>& logicalIds(iStorages[ret]->UintArray(CMTPStorageMetaData::EStorageLogicalIds)); |
|
615 TUint num(1); |
|
616 do |
|
617 { |
|
618 ret = EncodeLogicalStorageId(aPhysicalStorageId, aDataProviderId, num); |
|
619 } |
|
620 while ((logicalIds.FindInOrder(ret) != KErrNotFound) && |
|
621 (++num <= KMaxOwnedStorages)); |
|
622 |
|
623 if (num >= KMaxOwnedStorages) |
|
624 { |
|
625 ret = KErrOverflow; |
|
626 } |
|
627 } |
|
628 __FLOG_STATIC(KMTPSubsystem, KComponent, _L8("AllocateLogicalStorageId - Exit")); |
|
629 return ret; |
|
630 } |
|
631 |
|
632 /** |
|
633 Allocates a new 32-bit physical StorageId for the storage owner. |
|
634 @param aDataProviderId The storage owner data provider identifier. |
|
635 @return The new physical StorageId. |
|
636 @return KErrOverflow, if the maximum number of storages would be exceeded. |
|
637 @return One of the system wide error code, if a processing failure occurs. |
|
638 */ |
|
639 TInt32 CMTPStorageMgr::AllocatePhysicalStorageId(TUint aDataProviderId) |
|
640 { |
|
641 __FLOG_STATIC(KMTPSubsystem, KComponent, _L8("AllocatePhysicalStorageId - Entry")); |
|
642 TInt32 ret(KErrNone); |
|
643 while ((iPhysicalStorageNumbers.Count() < (aDataProviderId + 1)) && (ret == KErrNone)) |
|
644 { |
|
645 ret = iPhysicalStorageNumbers.Append(0); |
|
646 } |
|
647 |
|
648 if (ret == KErrNone) |
|
649 { |
|
650 if (iPhysicalStorageNumbers[aDataProviderId] < KMaxOwnedStorages) |
|
651 { |
|
652 ret = EncodePhysicalStorageId(aDataProviderId, ++iPhysicalStorageNumbers[aDataProviderId]); |
|
653 } |
|
654 else |
|
655 { |
|
656 ret = KErrOverflow; |
|
657 } |
|
658 } |
|
659 __FLOG_STATIC(KMTPSubsystem, KComponent, _L8("AllocatePhysicalStorageId - Exit")); |
|
660 return ret; |
|
661 } |
|
662 |
|
663 /** |
|
664 Encodes the specified physical MTP StorageID, data provider identifier, and |
|
665 storage number as a fully formed MTP StorageID. |
|
666 @param aPhysicalStorageId The physical MTP StorageID. |
|
667 @param aDataProviderId The data provider identifier. |
|
668 @param aStorageNumber The storage number. |
|
669 @return The fully formed MTP StorageID. |
|
670 */ |
|
671 TUint32 CMTPStorageMgr::EncodeLogicalStorageId(TUint32 aPhysicalStorageId, TUint aDataProviderId, TUint aStorageNumber) |
|
672 { |
|
673 return (StorageId(aPhysicalStorageId, (EncodeLogicalStorageOwner(aDataProviderId) | EncodeLogicalStorageNumber(aStorageNumber)))); |
|
674 } |
|
675 |
|
676 /** |
|
677 Encodes the storage identifier as the logical storage number in a fully formed |
|
678 MTP StorageID. |
|
679 @param aStorageNumber The storage number. |
|
680 @return The encoded logical storage number. |
|
681 */ |
|
682 TUint32 CMTPStorageMgr::EncodeLogicalStorageNumber(TUint aStorageNumber) |
|
683 { |
|
684 return (aStorageNumber); |
|
685 } |
|
686 |
|
687 /** |
|
688 Encodes the specified data provider identifier as the logical storage owner |
|
689 in a fully formed MTP StorageID. |
|
690 @param aDataProviderId The data provider identifier. |
|
691 @return The encoded logical storage owner. |
|
692 */ |
|
693 TUint32 CMTPStorageMgr::EncodeLogicalStorageOwner(TUint aDataProviderId) |
|
694 { |
|
695 return (aDataProviderId << KLogicalOwnerShift); |
|
696 } |
|
697 |
|
698 /** |
|
699 Encodes the specified data provider identifier and storage number as an |
|
700 physical MTP StorageID. |
|
701 @param aDataProviderId The data provider identifier. |
|
702 @param aStorageNumber The storage number. |
|
703 @return The encoded physical MTP StorageID. |
|
704 */ |
|
705 TUint32 CMTPStorageMgr::EncodePhysicalStorageId(TUint aDataProviderId, TUint aStorageNumber) |
|
706 { |
|
707 return (EncodePhysicalStorageOwner(aDataProviderId) | EncodePhysicalStorageNumber(aStorageNumber)); |
|
708 } |
|
709 |
|
710 /** |
|
711 Encodes the storage identifier as the physical storage number in a fully formed |
|
712 MTP StorageID. |
|
713 @param aStorageNumber The storage number. |
|
714 @return The encoded physical storage number. |
|
715 */ |
|
716 TUint32 CMTPStorageMgr::EncodePhysicalStorageNumber(TUint aStorageNumber) |
|
717 { |
|
718 return (aStorageNumber << KPhysicalNumberShift); |
|
719 } |
|
720 |
|
721 /** |
|
722 Encodes the specified data provider identifier as the physical storage owner |
|
723 in a fully formed MTP StorageID. |
|
724 @param aDataProviderId The data provider identifier. |
|
725 @return The encoded physical storage owner. |
|
726 */ |
|
727 TUint32 CMTPStorageMgr::EncodePhysicalStorageOwner(TUint aDataProviderId) |
|
728 { |
|
729 return (aDataProviderId << KPhysicalOwnerShift); |
|
730 } |
|
731 |
|
732 /** |
|
733 Removes the logical storages table entry at the specified index. |
|
734 @param aIdx The storages table index. |
|
735 @leave One of the system wide error codes, if a processing failure occurs. |
|
736 */ |
|
737 void CMTPStorageMgr::RemoveLogicalStorageL(TUint aIdx) |
|
738 { |
|
739 __FLOG(_L8("RemoveLogicalStorageL - Entry")); |
|
740 TUint32 id(iStorages[aIdx]->Uint(CMTPStorageMetaData::EStorageId)); |
|
741 |
|
742 // Disassociate the logical and physical storages. |
|
743 CMTPStorageMetaData& physical(StorageMetaDataL(PhysicalStorageId(id))); |
|
744 RArray<TUint> logicals; |
|
745 CleanupClosePushL(logicals); |
|
746 physical.GetUintArrayL(CMTPStorageMetaData::EStorageLogicalIds, logicals); |
|
747 logicals.Remove(logicals.FindInOrderL(id)); |
|
748 physical.SetUintArrayL(CMTPStorageMetaData::EStorageLogicalIds, logicals); |
|
749 CleanupStack::PopAndDestroy(&logicals); |
|
750 |
|
751 // Delete the storage. |
|
752 delete iStorages[aIdx]; |
|
753 iStorages.Remove(aIdx); |
|
754 __FLOG(_L8("RemoveLogicalStorageL - Entry")); |
|
755 } |
|
756 |
|
757 /** |
|
758 Provides a non-const reference to the storage meta-data for the specified |
|
759 logical MTP StorageID. |
|
760 @param aStorageId The physical or fully formed logical MTP StorageID. |
|
761 @leave KErrNotFound if the specified StorageID does not exist. |
|
762 @leave One of the system wide error codes, if a processing failure occurs. |
|
763 */ |
|
764 CMTPStorageMetaData& CMTPStorageMgr::StorageMetaDataL(TUint32 aStorageId) |
|
765 { |
|
766 __FLOG(_L8("StorageMetaDataL - Entry")); |
|
767 TInt idx(iStorages.FindInOrder(aStorageId, StorageOrder)); |
|
768 User::LeaveIfError(idx); |
|
769 __FLOG(_L8("StorageMetaDataL - Exit")); |
|
770 return *iStorages[idx]; |
|
771 } |
|
772 |
|
773 /** |
|
774 Implements a storage key match identity relation using |
|
775 @see CMTPStorageMetaData::EStorageSuid. |
|
776 @param aSuid The storage SUID key value. |
|
777 @param aStorage The storage meta-data. |
|
778 @return ETrue if the storage matches the key relation, otherwise EFalse. |
|
779 */ |
|
780 TBool CMTPStorageMgr::StorageKeyMatchSuid(const TDesC* aSuid, const CMTPStorageMetaData& aStorage) |
|
781 { |
|
782 return (*aSuid == aStorage.DesC(CMTPStorageMetaData::EStorageSuid)); |
|
783 } |
|
784 |
|
785 /** |
|
786 Implements an @see TLinearOrder function for @see CMTPStorageMetaData objects |
|
787 based on relative @see CMTPStorageMetaData::EStorageId. |
|
788 @param aL The first object instance. |
|
789 @param aR The second object instance. |
|
790 @return Zero, if the two objects are equal; A negative value, if the first |
|
791 object is less than the second, or; A positive value, if the first object is |
|
792 greater than the second. |
|
793 */ |
|
794 TInt CMTPStorageMgr::StorageOrder(const CMTPStorageMetaData& aL, const CMTPStorageMetaData& aR) |
|
795 { |
|
796 return (aL.Uint(CMTPStorageMetaData::EStorageId) - aR.Uint(CMTPStorageMetaData::EStorageId)); |
|
797 } |
|
798 |
|
799 /** |
|
800 Implements an @see CMTPStorageMetaData::EStorageId key order function. |
|
801 @param aKey The key value. |
|
802 @param aR The storage meta-data. |
|
803 @return Zero, if the two objects are equal; A negative value, if the first |
|
804 object is less than the second, or; A positive value, if the first object is |
|
805 greater than the second. |
|
806 */ |
|
807 TInt CMTPStorageMgr::StorageOrder(const TUint32* aKey, const CMTPStorageMetaData& aStorage) |
|
808 { |
|
809 return (*aKey - aStorage.Uint(CMTPStorageMetaData::EStorageId)); |
|
810 } |
|
811 |