0
|
1 |
// Copyright (c) 1998-2009 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_prel.cpp
|
|
15 |
//
|
|
16 |
//
|
|
17 |
|
|
18 |
#include "sf_std.h"
|
|
19 |
#include "u32std.h"
|
|
20 |
#include <e32hal.h>
|
|
21 |
#include "sf_cache_man.h"
|
|
22 |
|
|
23 |
_LIT(KLitInitCompleteThread,"InitCompleteThread");
|
|
24 |
|
|
25 |
#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
|
|
26 |
_LIT(KCorruptFileNamesList,"CorruptFileNames.lst");
|
|
27 |
_LIT(KSysData,"\\sys\\data\\");
|
|
28 |
_LIT(KSystemData,"\\system\\data\\");
|
|
29 |
/**
|
|
30 |
ASCII text file reader constructor
|
|
31 |
This code is more or less lifted directly from estart.cpp
|
|
32 |
*/
|
|
33 |
TText8FileReader::TText8FileReader()
|
|
34 |
{
|
|
35 |
|
|
36 |
iBufPos=-1;
|
|
37 |
iFileDataBuf=NULL;
|
|
38 |
iFileSize=0;
|
|
39 |
}
|
|
40 |
|
|
41 |
/**
|
|
42 |
ASCII text file reader destructor
|
|
43 |
*/
|
|
44 |
TText8FileReader::~TText8FileReader()
|
|
45 |
{
|
|
46 |
|
|
47 |
delete[] iFileDataBuf;
|
|
48 |
}
|
|
49 |
|
|
50 |
/**
|
|
51 |
Supply an ASCII text file for the file reader.
|
|
52 |
This function reads the entire contents of this file into a buffer, converting to
|
|
53 |
unicode / folding each character. Subsequent parsing of the file data is all done from this
|
|
54 |
buffer.
|
|
55 |
@param aFile The file to be read. Must already be opened for read access in EFileStreamText mode.
|
|
56 |
@return KErrNone if no error.
|
|
57 |
*/
|
|
58 |
TInt TText8FileReader::Set(RFile& aFile)
|
|
59 |
{
|
|
60 |
|
|
61 |
iFile=aFile;
|
|
62 |
iBuf.Zero();
|
|
63 |
iBufPos=0;
|
|
64 |
|
|
65 |
// Read the size of the file
|
|
66 |
TInt r=iFile.Size(iFileSize);
|
|
67 |
if (r!=KErrNone || !iFileSize)
|
|
68 |
return(KErrGeneral);
|
|
69 |
|
|
70 |
// Allocate a buffer to read in the
|
|
71 |
iFileDataBuf=new TText[iFileSize+1]; // +1 in case need to NULL terminate the end of the last string
|
|
72 |
if (iFileDataBuf==NULL)
|
|
73 |
return(KErrNoMemory);
|
|
74 |
|
|
75 |
// Read the entire contents of the file into the buffer
|
|
76 |
TPtr fdata(NULL,0);
|
|
77 |
TInt pos=0;
|
|
78 |
r=iFile.Seek(ESeekStart,pos);
|
|
79 |
while (pos<iFileSize)
|
|
80 |
{
|
|
81 |
if ((r=iFile.Read(iBuf))!=KErrNone)
|
|
82 |
return(r);
|
|
83 |
fdata.Set((iFileDataBuf+pos),0,iBuf.Length());
|
|
84 |
fdata.Copy(iBuf);
|
|
85 |
fdata.Fold();
|
|
86 |
pos+=iBuf.Length();
|
|
87 |
}
|
|
88 |
return(KErrNone);
|
|
89 |
}
|
|
90 |
|
|
91 |
/**
|
|
92 |
Return the next record from the text file.
|
|
93 |
@param aPtr A TPtr which is setup with the address and length of the next record, referencing
|
|
94 |
the data in the reader's buffer.
|
|
95 |
@return KErrNone if a record is successfully loaded into the buffer, KErrEof if the end of the
|
|
96 |
file is encountered, KErrGeneral if a file hasn't been set.
|
|
97 |
*/
|
|
98 |
TInt TText8FileReader::Read(TPtr& aPtr)
|
|
99 |
{
|
|
100 |
|
|
101 |
// Check that Set() has been called.
|
|
102 |
if (iBufPos<0)
|
|
103 |
return(KErrGeneral);
|
|
104 |
|
|
105 |
// Check if we have run into the end of the file
|
|
106 |
TInt bufRemainder=(iFileSize-iBufPos);
|
|
107 |
if (!bufRemainder)
|
|
108 |
return(KErrEof);
|
|
109 |
|
|
110 |
// Setup the descriptor passed with the next record - don't include the record terminator
|
|
111 |
// The line terminators are CR + LF for DOS
|
|
112 |
// whereas only LF for Unix line endings
|
|
113 |
aPtr.Set((iFileDataBuf+iBufPos),bufRemainder,bufRemainder);
|
|
114 |
TInt len=aPtr.Locate('\n');
|
|
115 |
if (len != KErrNotFound)
|
|
116 |
{
|
|
117 |
iBufPos += len;
|
|
118 |
// Check for DOS line ending to support both DOS and Unix formats
|
|
119 |
if ((len != 0) && (iFileDataBuf[iBufPos-1] == '\r'))
|
|
120 |
{
|
|
121 |
len--;
|
|
122 |
}
|
|
123 |
aPtr.SetLength(len);
|
|
124 |
}
|
|
125 |
else
|
|
126 |
iBufPos=iFileSize;
|
|
127 |
|
|
128 |
// Point iBufPos to the next non-empty line
|
|
129 |
while (iBufPos<iFileSize && (iFileDataBuf[iBufPos]=='\n' || iFileDataBuf[iBufPos]=='\r'))
|
|
130 |
iBufPos++;
|
|
131 |
return(KErrNone);
|
|
132 |
}
|
|
133 |
|
|
134 |
/**
|
|
135 |
Parse a record and split it into filename, error code & use once flag
|
|
136 |
@param aLine, this a a record from read from the file
|
|
137 |
@param aName, this is the parsed filename component of the record
|
|
138 |
@param aReturnCode, the error code that will be returned when an attempt is made to open the file
|
|
139 |
@param aUseOnce, flag which states whether the error should persist over more than one open attempt
|
|
140 |
@return error code, if the record is malformed return KErrCorrupt (ironic, what?) else KErrNone
|
|
141 |
*/
|
|
142 |
TInt ParseCorruptNamesRecord(TPtr aLine, TPtr& aName, TInt& aReturnCode, TBool& aUseOnce)
|
|
143 |
{
|
|
144 |
aName.Set(NULL,0,0);
|
|
145 |
// Remove leading spaces
|
|
146 |
aLine.TrimLeft();
|
|
147 |
TPtr remainderPtr(aLine);
|
|
148 |
|
|
149 |
// collect pathname
|
|
150 |
TInt lenFileName=remainderPtr.Locate(',');
|
|
151 |
if(lenFileName<1)
|
|
152 |
return KErrCorrupt;
|
|
153 |
TPtr pathNamePtr(remainderPtr.LeftTPtr(lenFileName));
|
|
154 |
// Remove trailing spaces
|
|
155 |
pathNamePtr.TrimRight();
|
|
156 |
// Parse the pathname to see if it could be valid, do not allow wild cards
|
|
157 |
TParse fileParse;
|
|
158 |
TInt r=fileParse.SetNoWild(pathNamePtr,NULL,NULL);
|
|
159 |
if(r!=KErrNone)
|
|
160 |
return KErrCorrupt;
|
|
161 |
|
|
162 |
// move over delimiter to collect the user supplied return code
|
|
163 |
// see first if sufficient length in the record
|
|
164 |
TInt lenRemainder=remainderPtr.Length();
|
|
165 |
if(lenRemainder<lenFileName+2)
|
|
166 |
return KErrCorrupt;
|
|
167 |
|
|
168 |
remainderPtr.Set(remainderPtr.MidTPtr(lenFileName+1));
|
|
169 |
remainderPtr.TrimLeft();
|
|
170 |
TInt lenReturnCode=remainderPtr.Locate(',');
|
|
171 |
if(lenReturnCode<1)
|
|
172 |
return KErrCorrupt;
|
|
173 |
|
|
174 |
TPtr returnCodePtr(remainderPtr.LeftTPtr(lenReturnCode));
|
|
175 |
TLex lexLine(returnCodePtr);
|
|
176 |
TInt returnCode;
|
|
177 |
if(lexLine.Val(returnCode)!=KErrNone)
|
|
178 |
return KErrCorrupt;
|
|
179 |
|
|
180 |
lenRemainder=remainderPtr.Length();
|
|
181 |
if(lenRemainder<lenReturnCode+2)
|
|
182 |
return KErrCorrupt;
|
|
183 |
|
|
184 |
// collect the useOnce flag value
|
|
185 |
remainderPtr.Set(remainderPtr.MidTPtr(lenReturnCode+1));
|
|
186 |
remainderPtr.Trim();
|
|
187 |
TBool useOnce;
|
|
188 |
// This must either be "EVERY" or "ONCE"
|
|
189 |
if (remainderPtr.MatchF(_L("EVERY"))!=KErrNotFound)
|
|
190 |
useOnce=EFalse;
|
|
191 |
else if(remainderPtr.MatchF(_L("ONCE"))!=KErrNotFound)
|
|
192 |
useOnce=ETrue;
|
|
193 |
else
|
|
194 |
return KErrCorrupt;
|
|
195 |
|
|
196 |
// Everything has worked out, so set up output args
|
|
197 |
|
|
198 |
aName.Set(pathNamePtr);
|
|
199 |
aReturnCode=returnCode;
|
|
200 |
aUseOnce=useOnce;
|
|
201 |
return KErrNone;
|
|
202 |
}
|
|
203 |
|
|
204 |
/**
|
|
205 |
Open c:\CorruptFileNames.lst
|
|
206 |
File contains a set of text records
|
|
207 |
Each record has comma delimited fields and has the form:
|
|
208 |
<filename>, <errorCode>, <[ONCE,EVERY]>
|
|
209 |
e.g.
|
|
210 |
c:\system\bin\bt.lst, -6,EVERY
|
|
211 |
the filename should be fully qualified,
|
|
212 |
errorCode should be a literal not a symbol
|
|
213 |
EVERY means that every attempt to open the file will be failed
|
|
214 |
ONCE means that only the first access to the file will be failed
|
|
215 |
*/
|
|
216 |
|
|
217 |
TInt FindHitListFile(RFs aFs)
|
|
218 |
{
|
|
219 |
TFindFile finder(aFs);
|
|
220 |
TInt r=finder.FindByDir(KCorruptFileNamesList,_L("\\"));
|
|
221 |
if(r!=KErrNone)
|
|
222 |
{
|
|
223 |
r=finder.FindByDir(KCorruptFileNamesList,KSysData);
|
|
224 |
}
|
|
225 |
|
|
226 |
if(r!=KErrNone)
|
|
227 |
{
|
|
228 |
r=finder.FindByDir(KCorruptFileNamesList,KSystemData);
|
|
229 |
}
|
|
230 |
|
|
231 |
if(r==KErrNone)
|
|
232 |
{ // This is stored as a global because the name can be retrieved by a user api
|
|
233 |
gCorruptFileNamesListFile=finder.File().Alloc();
|
|
234 |
if(gCorruptFileNamesListFile==NULL)
|
|
235 |
{
|
|
236 |
r=KErrNoMemory;
|
|
237 |
}
|
|
238 |
}
|
|
239 |
return r;
|
|
240 |
}
|
|
241 |
|
|
242 |
void CreateCorruptFileNamesList()
|
|
243 |
{
|
|
244 |
RFs fs;
|
44
|
245 |
fs.Connect();
|
|
246 |
TInt r=FindHitListFile(fs);
|
0
|
247 |
if(r!=KErrNone)
|
|
248 |
return;
|
|
249 |
RFile f;
|
|
250 |
r=f.Open(fs,*gCorruptFileNamesListFile,EFileShareExclusive|EFileStreamText|EFileRead);
|
|
251 |
if(r!=KErrNone)
|
|
252 |
{
|
|
253 |
return;
|
|
254 |
}
|
|
255 |
// Create a corrupt filenames file reader and pass it the file object. This will also result in the copying of the contents of
|
|
256 |
// the file into reader's buffer. Filename information read from the file will include pointers to text strings in
|
|
257 |
// this buffer and so the reader object must not be deleted until processing is complete.
|
|
258 |
__PRINT1(_L("@@@@ Using Corrupt names file %S"),gCorruptFileNamesListFile);
|
|
259 |
|
|
260 |
TText8FileReader* namesFile=new TText8FileReader;
|
|
261 |
if (!namesFile)
|
|
262 |
{
|
|
263 |
f.Close();
|
|
264 |
return;
|
|
265 |
}
|
|
266 |
|
|
267 |
r=namesFile->Set(f);
|
|
268 |
f.Close();
|
|
269 |
fs.Close();
|
|
270 |
if(r==KErrNone)
|
|
271 |
{
|
|
272 |
// Parse each drive mapping record in turn, saving the information in an array of mapping structures - one for
|
|
273 |
// each valid record.
|
|
274 |
TPtr linePtr(NULL,0);
|
|
275 |
while ((r=namesFile->Read(linePtr))==KErrNone)
|
|
276 |
{
|
|
277 |
TInt returnCode;
|
|
278 |
TBool useOnce;
|
|
279 |
TPtr namePtr(NULL,0);
|
|
280 |
if (ParseCorruptNamesRecord(linePtr,namePtr,returnCode,useOnce)==KErrNone)
|
|
281 |
{
|
|
282 |
// Valid corrupt filename record found
|
|
283 |
TCorruptNameRec* newRec=new TCorruptNameRec;
|
|
284 |
if(!newRec)
|
|
285 |
{
|
|
286 |
break;
|
|
287 |
}
|
|
288 |
if(newRec->Construct(&namePtr,returnCode,useOnce,gCorruptFileNameList)!=KErrNone)
|
|
289 |
{
|
|
290 |
delete newRec;
|
|
291 |
newRec=NULL;
|
|
292 |
break;
|
|
293 |
}
|
|
294 |
|
|
295 |
gCorruptFileNameList=newRec;
|
|
296 |
}
|
|
297 |
else
|
|
298 |
{
|
|
299 |
__PRINT1(_L("@@@@@ Bad Parse corrupt file name record %S\n"),&linePtr);
|
|
300 |
}
|
|
301 |
}
|
|
302 |
}
|
|
303 |
|
|
304 |
delete namesFile;
|
|
305 |
}
|
|
306 |
#endif
|
|
307 |
|
|
308 |
TInt InitCompleteThread(TAny* aPtr)
|
|
309 |
{
|
|
310 |
__PRINT(KLitInitCompleteThread);
|
|
311 |
RMessagePtr2 message=*(RMessagePtr2*)aPtr;
|
|
312 |
RThread::Rendezvous(0);
|
|
313 |
|
|
314 |
|
|
315 |
//
|
|
316 |
#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
|
|
317 |
CreateCorruptFileNamesList();
|
|
318 |
#endif
|
|
319 |
|
|
320 |
TInt r = KErrNone;
|
|
321 |
message.Complete(r);
|
|
322 |
return(KErrNone);
|
|
323 |
}
|
|
324 |
|
|
325 |
|
|
326 |
TInt TFsStartupInitComplete::DoRequestL(CFsRequest *aRequest)
|
|
327 |
//
|
|
328 |
// do further initialisation once necessary startup init complete outside file server
|
|
329 |
//
|
|
330 |
{
|
|
331 |
if(StartupInitCompleted)
|
|
332 |
return(KErrAlreadyExists);
|
|
333 |
|
|
334 |
|
|
335 |
StartupInitCompleted=ETrue;
|
|
336 |
RMessagePtr2 msg=aRequest->Message();
|
|
337 |
RThread thread;
|
|
338 |
TInt r=thread.Create(KLitInitCompleteThread,InitCompleteThread,KDefaultStackSize,NULL,&msg);
|
|
339 |
if (KErrNone == r)
|
|
340 |
{
|
|
341 |
TRequestStatus s;
|
|
342 |
thread.Rendezvous(s);
|
|
343 |
if (s==KRequestPending)
|
|
344 |
thread.Resume();
|
|
345 |
else
|
|
346 |
thread.Kill(0);
|
|
347 |
thread.Close();
|
|
348 |
User::WaitForRequest(s);
|
|
349 |
r = s.Int();
|
|
350 |
}
|
|
351 |
return(KErrNone);
|
|
352 |
}
|
|
353 |
|
|
354 |
TInt TFsStartupInitComplete::Initialise(CFsRequest* /*aRequest*/)
|
|
355 |
//
|
|
356 |
//
|
|
357 |
//
|
|
358 |
{
|
|
359 |
return KErrNone;
|
|
360 |
}
|