/*
** Open an jt file handle.
*/
static int jtOpen(
sqlite3_vfs *pVfs,
const char *zName,
sqlite3_file *pFile,
int flags,
int *pOutFlags
){
int rc;
jt_file *p = (jt_file *)pFile;
pFile->pMethods = 0;
p->pReal = (sqlite3_file *)&p[1];
p->pReal->pMethods = 0;
rc = sqlite3OsOpen(g.pVfs, zName, p->pReal, flags, pOutFlags);
assert( rc==SQLITE_OK || p->pReal->pMethods==0 );
if( rc==SQLITE_OK ){
pFile->pMethods = &jt_io_methods;
p->eLock = 0;
p->zName = zName;
p->flags = flags;
p->pNext = 0;
p->pWritable = 0;
p->aCksum = 0;
enterJtMutex();
if( zName ){
p->pNext = g.pList;
g.pList = p;
}
leaveJtMutex();
}
return rc;
}
/*
** Open a crash-file file handle.
**
** The caller will have allocated pVfs->szOsFile bytes of space
** at pFile. This file uses this space for the CrashFile structure
** and allocates space for the "real" file structure using
** sqlite3_malloc(). The assumption here is (pVfs->szOsFile) is
** equal or greater than sizeof(CrashFile).
*/
static int cfOpen(
sqlite3_vfs *pCfVfs,
const char *zName,
sqlite3_file *pFile,
int flags,
int *pOutFlags
){
sqlite3_vfs *pVfs = (sqlite3_vfs *)pCfVfs->pAppData;
int rc;
CrashFile *pWrapper = (CrashFile *)pFile;
sqlite3_file *pReal = (sqlite3_file*)&pWrapper[1];
memset(pWrapper, 0, sizeof(CrashFile));
rc = sqlite3OsOpen(pVfs, zName, pReal, flags, pOutFlags);
if( rc==SQLITE_OK ){
i64 iSize;
pWrapper->pMethod = &CrashFileVtab;
pWrapper->zName = (char *)zName;
pWrapper->pRealFile = pReal;
rc = sqlite3OsFileSize(pReal, &iSize);
pWrapper->iSize = (int)iSize;
pWrapper->flags = flags;
}
if( rc==SQLITE_OK ){
pWrapper->nData = (4096 + pWrapper->iSize);
pWrapper->zData = crash_malloc(pWrapper->nData);
if( pWrapper->zData ){
/* os_unix.c contains an assert() that fails if the caller attempts
** to read data from the 512-byte locking region of a file opened
** with the SQLITE_OPEN_MAIN_DB flag. This region of a database file
** never contains valid data anyhow. So avoid doing such a read here.
*/
const int isDb = (flags&SQLITE_OPEN_MAIN_DB);
i64 iChunk = pWrapper->iSize;
if( iChunk>PENDING_BYTE && isDb ){
iChunk = PENDING_BYTE;
}
memset(pWrapper->zData, 0, pWrapper->nData);
rc = sqlite3OsRead(pReal, pWrapper->zData, iChunk, 0);
if( SQLITE_OK==rc && pWrapper->iSize>(PENDING_BYTE+512) && isDb ){
i64 iOff = PENDING_BYTE+512;
iChunk = pWrapper->iSize - iOff;
rc = sqlite3OsRead(pReal, &pWrapper->zData[iOff], iChunk, iOff);
}
}else{
rc = SQLITE_NOMEM;
}
}
if( rc!=SQLITE_OK && pWrapper->pMethod ){
sqlite3OsClose(pFile);
}
return rc;
}
/*
** Open a crash-file file handle.
**
** The caller will have allocated pVfs->szOsFile bytes of space
** at pFile. This file uses this space for the CrashFile structure
** and allocates space for the "real" file structure using
** sqlite3_malloc(). The assumption here is (pVfs->szOsFile) is
** equal or greater than sizeof(CrashFile).
*/
static int cfOpen(
sqlite3_vfs *pCfVfs,
const char *zName,
sqlite3_file *pFile,
int flags,
int *pOutFlags
){
sqlite3_vfs *pVfs = (sqlite3_vfs *)pCfVfs->pAppData;
int rc;
CrashFile *pWrapper = (CrashFile *)pFile;
sqlite3_file *pReal = (sqlite3_file*)&pWrapper[1];
memset(pWrapper, 0, sizeof(CrashFile));
rc = sqlite3OsOpen(pVfs, zName, pReal, flags, pOutFlags);
if( rc==SQLITE_OK ){
i64 iSize;
pWrapper->pMethod = &CrashFileVtab;
pWrapper->zName = (char *)zName;
pWrapper->pRealFile = pReal;
rc = sqlite3OsFileSize(pReal, &iSize);
pWrapper->iSize = (int)iSize;
pWrapper->flags = flags;
}
if( rc==SQLITE_OK ){
pWrapper->nData = (int)(4096 + pWrapper->iSize);
pWrapper->zData = crash_malloc(pWrapper->nData);
if( pWrapper->zData ){
/* os_unix.c contains an assert() that fails if the caller attempts
** to read data from the 512-byte locking region of a file opened
** with the SQLITE_OPEN_MAIN_DB flag. This region of a database file
** never contains valid data anyhow. So avoid doing such a read here.
**
** UPDATE: It also contains an assert() verifying that each call
** to the xRead() method reads less than 128KB of data.
*/
i64 iOff;
memset(pWrapper->zData, 0, pWrapper->nData);
for(iOff=0; iOff<pWrapper->iSize; iOff += 512){
int nRead = (int)(pWrapper->iSize - iOff);
if( nRead>512 ) nRead = 512;
rc = sqlite3OsRead(pReal, &pWrapper->zData[iOff], nRead, iOff);
}
}else{
rc = SQLITE_NOMEM;
}
}
if( rc!=SQLITE_OK && pWrapper->pMethod ){
sqlite3OsClose(pFile);
}
return rc;
}
/*
** Open an devsym file handle.
*/
static int devsymOpen(
sqlite3_vfs *pVfs,
const char *zName,
sqlite3_file *pFile,
int flags,
int *pOutFlags
){
devsym_file *p = (devsym_file *)pFile;
pFile->pMethods = &devsym_io_methods;
p->pReal = (sqlite3_file *)&p[1];
return sqlite3OsOpen(g.pVfs, zName, p->pReal, flags, pOutFlags);
}
void VfsOpenTempFileFileIoErrTest()
{
//Delete all temp files in this test private data cage.
TInt err = DoDeleteTempFiles();
TEST(err == KErrNone || err == KErrNotFound);
sqlite3_vfs* vfs = sqlite3_vfs_find(NULL);
TEST(vfs != NULL);
sqlite3_file* osFile = (sqlite3_file*)User::Alloc(vfs->szOsFile);
TEST(osFile != NULL);
err = SQLITE_ERROR;
TInt cnt = 1;
while(err != SQLITE_OK)
{
TInt processHandleCnt = 0;
TInt threadHandleCnt = 0;
RThread().HandleCount(processHandleCnt, threadHandleCnt);
TInt allocCellsCnt = User::CountAllocCells();
TheTest.Printf(_L("%d "), cnt);
(void)TheFs.SetErrorCondition(KErrGeneral, cnt);
int outFlags = 0;
err = sqlite3OsOpen(vfs, NULL, osFile, SQLITE_OPEN_READWRITE, &outFlags);
if(err == SQLITE_OK)
{
//Since this is a temp file, its creation will be delayed till the first file write operation.
err = sqlite3OsWrite(osFile, "1234", 4, 0);
(void)sqlite3OsClose(osFile);
}
(void)TheFs.SetErrorCondition(KErrNone);
if(err != SQLITE_OK)
{
TInt processHandleCnt2 = 0;
TInt threadHandleCnt2 = 0;
RThread().HandleCount(processHandleCnt2, threadHandleCnt2);
TEST2(processHandleCnt2, processHandleCnt);
TEST2(threadHandleCnt2, threadHandleCnt);
TInt allocCellsCnt2 = User::CountAllocCells();
TEST2(allocCellsCnt2, allocCellsCnt);
++cnt;
}
//If the iteration has failed, then no temp file should exist in the test private data cage.
//If the iteration has succeeded, then sqlite3OsClose() should have deleted the temp file.
TInt err2 = DoDeleteTempFiles();
TEST2(err2, KErrNotFound);
}
TEST2(err, SQLITE_OK);
TheTest.Printf(_L("\r\n=== TVfs::Open(<temp file>) file I/O error simulation test succeeded at iteration %d\r\n"), cnt);
User::Free(osFile);
}
/*
** If it does not already exists, create and populate the on-disk file
** for JournalFile p.
*/
static int createFile(JournalFile *p){
int rc = SQLITE_OK;
if( !p->pReal ){
sqlite3_file *pReal = (sqlite3_file *)&p[1];
rc = sqlite3OsOpen(p->pVfs, p->zJournal, pReal, p->flags, 0);
if( rc==SQLITE_OK ){
p->pReal = pReal;
if( p->iSize>0 ){
assert(p->iSize<=p->nBuf);
rc = sqlite3OsWrite(p->pReal, p->zBuf, p->iSize, 0);
}
}
}
return rc;
}
//Lock/unlock tests
void Test5()
{
sqlite3_vfs* vfs = sqlite3_vfs_find(KSymbianVfsNameZ);
TEST(vfs != NULL);
sqlite3_file* osFile = (sqlite3_file*)User::Alloc(vfs->szOsFile);
TEST(osFile != NULL);
//Creating a new file
int res = 0;
int err = sqlite3OsAccess(vfs, KTestFile1Z, SQLITE_ACCESS_EXISTS, &res);
TEST2(err, SQLITE_OK);
TEST2(res, 0);
err = sqlite3OsOpen(vfs, KTestFile1Z, osFile, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, 0);
TEST2(err, SQLITE_OK);
//Lock/unlock
//SHARED_LOCK
err = sqlite3OsLock(osFile, SHARED_LOCK);
TEST2(err, SQLITE_OK);
err = sqlite3OsCheckReservedLock(osFile, &res);
TEST2(err, SQLITE_OK);
TEST2(res, 0);
//RESERVED_LOCK
err = sqlite3OsLock(osFile, RESERVED_LOCK);
TEST2(err, SQLITE_OK);
err = sqlite3OsCheckReservedLock(osFile, &res);
TEST2(err, SQLITE_OK);
TEST2(res, 1);
//PENDING_LOCK
err = sqlite3OsLock(osFile, PENDING_LOCK);
TEST2(err, SQLITE_OK);
//EXCLUSIVE_LOCK
err = sqlite3OsLock(osFile, EXCLUSIVE_LOCK);
TEST2(err, SQLITE_OK);
//back to SHARED_LOCK
err = sqlite3OsLock(osFile, SHARED_LOCK);
TEST2(err, SQLITE_OK);
//UNLOCK
err = sqlite3OsUnlock(osFile, NO_LOCK);
//Close the file
err = sqlite3OsClose(osFile);
TEST2(err, SQLITE_OK);
//
err = sqlite3OsDelete(vfs, KTestFile1Z, 0);
TEST2(err, SQLITE_OK);
User::Free(osFile);
}
void VfsOpenTempFileOomTest()
{
//Delete all temp files in this test private data cage.
TInt err = DoDeleteTempFiles();
TEST(err == KErrNone || err == KErrNotFound);
sqlite3_vfs* vfs = sqlite3_vfs_find(NULL);
TEST(vfs != NULL);
sqlite3_file* osFile = (sqlite3_file*)User::Alloc(vfs->szOsFile);
TEST(osFile != NULL);
TheTest.Printf(_L("Iteration: "));
TInt failingAllocNum = 0;
err = SQLITE_IOERR_NOMEM;
while(err == SQLITE_IOERR_NOMEM)
{
++failingAllocNum;
TheTest.Printf(_L("%d "), failingAllocNum);
OomPreStep(failingAllocNum);
int outFlags = 0;
err = sqlite3OsOpen(vfs, NULL, osFile, SQLITE_OPEN_READWRITE, &outFlags);
if(err == SQLITE_OK)
{
//Since this is a temp file, its creation will be delayed till the first file write operation.
err = sqlite3OsWrite(osFile, "1234", 4, 0);
(void)sqlite3OsClose(osFile);
}
OomPostStep();
if(err != SQLITE_OK)
{
TEST2(err, SQLITE_IOERR_NOMEM);
}
//If the iteration has failed, then no temp file should exist in the test private data cage.
//If the iteration has succeeded, then sqlite3OsClose() should have deleted the temp file.
TInt err2 = DoDeleteTempFiles();
TEST2(err2, KErrNotFound);
}
TEST2(err, SQLITE_OK);
TheTest.Printf(_L("\r\n=== TVfs::Open(<temp file>) OOM test succeeded at allcoation %d\r\n"), failingAllocNum);
User::Free(osFile);
}
int sqlite3OsOpenMalloc(
sqlite3_vfs *pVfs,
const char *zFile,
sqlite3_file **ppFile,
int flags,
int *pOutFlags
){
int rc = SQLITE_NOMEM;
sqlite3_file *pFile;
pFile = (sqlite3_file *)sqlite3Malloc(pVfs->szOsFile);
if( pFile ){
rc = sqlite3OsOpen(pVfs, zFile, pFile, flags, pOutFlags);
if( rc!=SQLITE_OK ){
sqlite3_free(pFile);
}else{
*ppFile = pFile;
}
}
return rc;
}
/*
** Open a crash-file file handle.
**
** The caller will have allocated pVfs->szOsFile bytes of space
** at pFile. This file uses this space for the CrashFile structure
** and allocates space for the "real" file structure using
** sqlite3_malloc(). The assumption here is (pVfs->szOsFile) is
** equal or greater than sizeof(CrashFile).
*/
static int cfOpen(
sqlite3_vfs *pCfVfs,
const char *zName,
sqlite3_file *pFile,
int flags,
int *pOutFlags
){
sqlite3_vfs *pVfs = (sqlite3_vfs *)pCfVfs->pAppData;
int rc;
CrashFile *pWrapper = (CrashFile *)pFile;
sqlite3_file *pReal = (sqlite3_file*)&pWrapper[1];
memset(pWrapper, 0, sizeof(CrashFile));
rc = sqlite3OsOpen(pVfs, zName, pReal, flags, pOutFlags);
if( rc==SQLITE_OK ){
i64 iSize;
pWrapper->pMethod = &CrashFileVtab;
pWrapper->zName = (char *)zName;
pWrapper->pRealFile = pReal;
rc = sqlite3OsFileSize(pReal, &iSize);
pWrapper->iSize = (int)iSize;
}
if( rc==SQLITE_OK ){
pWrapper->nData = (4096 + pWrapper->iSize);
pWrapper->zData = sqlite3_malloc(pWrapper->nData);
if( pWrapper->zData ){
memset(pWrapper->zData, 0, pWrapper->nData);
rc = sqlite3OsRead(pReal, pWrapper->zData, pWrapper->iSize, 0);
}else{
rc = SQLITE_NOMEM;
}
}
if( rc!=SQLITE_OK && pWrapper->pMethod ){
sqlite3OsClose(pFile);
}
return rc;
}
void VfsCreateDeleteOnCloseFileOomTest()
{
sqlite3_vfs* vfs = sqlite3_vfs_find(NULL);
TEST(vfs != NULL);
sqlite3_file* osFile = (sqlite3_file*)User::Alloc(vfs->szOsFile);
TEST(osFile != NULL);
TheTest.Printf(_L("Iteration: "));
TInt failingAllocNum = 0;
TInt err = SQLITE_IOERR_NOMEM;
while(err == SQLITE_IOERR_NOMEM)
{
++failingAllocNum;
TheTest.Printf(_L("%d "), failingAllocNum);
OomPreStep(failingAllocNum);
int outFlags = 0;
err = sqlite3OsOpen(vfs, KTestFile4Z, osFile, SQLITE_OPEN_CREATE | SQLITE_OPEN_DELETEONCLOSE, &outFlags);
if(err == SQLITE_OK)
{
err = sqlite3OsClose(osFile);
}
OomPostStep();
if(err != SQLITE_OK)
{
TEST2(err, SQLITE_IOERR_NOMEM);
}
//Whether the iteration has failed or succeeded, the file should not exist.
TPtrC8 ptrname((const TUint8*)KTestFile4Z);
TBuf<50> fname;
fname.Copy(ptrname);
TInt err2 = TheFs.Delete(fname);
TEST2(err2, KErrNotFound);
}
TEST2(err, SQLITE_OK);
TheTest.Printf(_L("\r\n=== TVfs::Open(<delete on close file>) OOM test succeeded at allcoation %d\r\n"), failingAllocNum);
User::Free(osFile);
}
/*
** Open a journal file.
*/
int sqlite3JournalOpen(
sqlite3_vfs *pVfs, /* The VFS to use for actual file I/O */
const char *zName, /* Name of the journal file */
sqlite3_file *pJfd, /* Preallocated, blank file handle */
int flags, /* Opening flags */
int nBuf /* Bytes buffered before opening the file */
){
JournalFile *p = (JournalFile *)pJfd;
memset(p, 0, sqlite3JournalSize(pVfs));
if( nBuf>0 ){
p->zBuf = sqlite3MallocZero(nBuf);
if( !p->zBuf ){
return SQLITE_NOMEM;
}
}else{
return sqlite3OsOpen(pVfs, zName, pJfd, flags, 0);
}
p->pMethod = &JournalFileMethods;
p->nBuf = nBuf;
p->flags = flags;
p->zJournal = zName;
p->pVfs = pVfs;
return SQLITE_OK;
}
void NegativeTest()
{
TInt err = sqlite3SymbianLibInit();
TEST2(err, KErrNone);
sqlite3_vfs* vfs = sqlite3_vfs_find(KSymbianVfsNameZ);
TEST(vfs != NULL);
sqlite3_file* osFile = (sqlite3_file*)User::Alloc(vfs->szOsFile);
TEST(osFile != NULL);
//Creating a new file - the name is too long
const char* KLongFileNameZ = "c:\\test\\0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789-0123456789.bin";
int outFlags = 0;
err = sqlite3OsOpen(vfs, KLongFileNameZ, osFile, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, &outFlags);
TEST2(err, SQLITE_CANTOPEN);
//Open a file - the name contains the '|', but not at position 0 (private database - bad name)
const char* KBadFileNameZ = "c:\\test\\01|23456.bin";
err = sqlite3OsOpen(vfs, KBadFileNameZ, osFile, SQLITE_OPEN_READWRITE, &outFlags);
TEST2(err, SQLITE_CANTOPEN);
//FullPathName() - the output buffer is too small
const char* KFileNameZ = "c:\\test\\0123456.bin";
char buf[5];
err = vfs->xFullPathname(vfs, KFileNameZ, 5, buf);
TEST2(err, SQLITE_ERROR);
//FullPathName() - NULL output buffer
err = vfs->xFullPathname(vfs, KFileNameZ, 5, NULL);
TEST2(err, SQLITE_ERROR);
//FullPathName() - NULL file name
err = vfs->xFullPathname(vfs, NULL, 5, buf);
TEST2(err, SQLITE_ERROR);
//FullPathName() - the file name is too long
err = vfs->xFullPathname(vfs, KLongFileNameZ, 5, buf);
TEST2(err, SQLITE_ERROR);
//FullPathName() - NULL file name
err = vfs->xFullPathname(vfs, NULL, 5, buf);
TEST2(err, SQLITE_ERROR);
//Dellete file - NULL file name
err = vfs->xDelete(vfs, 0, 0);
TEST2(err, SQLITE_ERROR);
//Delete file - the output buffer for the unicode file name is too small
err = vfs->xDelete(vfs, KLongFileNameZ, 0);
TEST2(err, SQLITE_ERROR);
//Open file - NULL file name - this is a temp file name
err = sqlite3OsOpen(vfs, NULL, osFile, SQLITE_OPEN_READWRITE, &outFlags);
TEST2(err, SQLITE_OK);
err = osFile->pMethods->xClose(osFile);
TEST2(err, SQLITE_OK);
//xAccess - too long file name
int res = -1;
err = vfs->xAccess(vfs, KLongFileNameZ, SQLITE_ACCESS_EXISTS, &res);
TEST2(err, SQLITE_IOERR_ACCESS);
//xAccess - NULL file name
err = vfs->xAccess(vfs, 0, SQLITE_ACCESS_EXISTS, &res);
TEST2(err, SQLITE_IOERR_ACCESS);
User::Free(osFile);
}
//Read/Write/Seek/Truncate test
void Test2()
{
sqlite3_vfs* vfs = sqlite3_vfs_find(KSymbianVfsNameZ);
TEST(vfs != NULL);
sqlite3_file* osFile = (sqlite3_file*)User::Alloc(vfs->szOsFile);
TEST(osFile != NULL);
//Creating a new file
int err = sqlite3OsDelete(vfs, KTestFile1Z, 0);
TEST2(err, SQLITE_OK);
int res = 0;
err = sqlite3OsAccess(vfs, KTestFile1Z, SQLITE_ACCESS_EXISTS, &res);
TEST2(err, SQLITE_OK);
TEST2(res, 0);
err = sqlite3OsOpen(vfs, KTestFile1Z, osFile, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, 0);
TEST2(err, SQLITE_OK);
//Writing at the beginning of the file
err = sqlite3OsWrite(osFile, "123456", 6, 0);
TEST2(err, SQLITE_OK);
//Verify the written data
char data[20];
err = sqlite3OsRead(osFile, data, 6, 0);
TEST2(err, SQLITE_OK);
err = memcmp(data, "123456", 6);
TEST2(err, 0);
//Writing at beyond the end of the file
err = sqlite3OsWrite(osFile, "abcdefgh", 8, 100);
TEST2(err, SQLITE_OK);
//Verify the written data
err = sqlite3OsRead(osFile, data, 8, 100);
TEST2(err, SQLITE_OK);
err = memcmp(data, "abcdefgh", 8);
TEST2(err, 0);
//Truncate the file
err = sqlite3OsTruncate(osFile, 3);
TEST2(err, SQLITE_OK);
//Write more data
err = sqlite3OsWrite(osFile, "xyz", 3, 3);
TEST2(err, SQLITE_OK);
//Verify the written data
err = sqlite3OsRead(osFile, data, 6, 0);
TEST2(err, SQLITE_OK);
err = memcmp(data, "123xyz", 6);
TEST2(err, 0);
//Check the file size
TInt64 fileSize = 0;
err = sqlite3OsFileSize(osFile, &fileSize);
TEST2(err, SQLITE_OK);
TEST(fileSize == 6);
//FileControl - lock type
int lockType = -1;
err = osFile->pMethods->xFileControl(osFile, SQLITE_FCNTL_LOCKSTATE, &lockType);
TEST2(err, SQLITE_OK);
TEST2(lockType, NO_LOCK);
//FileControl - set callback - NULL callback
err = osFile->pMethods->xFileControl(osFile, KSqlFcntlRegisterFreePageCallback, 0);
TEST2(err, SQLITE_ERROR);
//FileControl - set callback - invalid callback object
TSqlFreePageCallback cbck;
err = osFile->pMethods->xFileControl(osFile, KSqlFcntlRegisterFreePageCallback, &cbck);
TEST2(err, SQLITE_ERROR);
//FileControl - invalid op-code
err = osFile->pMethods->xFileControl(osFile, 90234, 0);
TEST2(err, SQLITE_ERROR);
//Close the file
err = sqlite3OsClose(osFile);
TEST2(err, SQLITE_OK);
//
err = sqlite3OsDelete(vfs, KTestFile1Z, 0);
TEST2(err, SQLITE_OK);
User::Free(osFile);
}
//Create/open/close/delete a file
void Test1()
{
sqlite3_vfs* vfs = sqlite3_vfs_find(KSymbianVfsNameZ);
TEST(vfs != NULL);
sqlite3_file* osFile = (sqlite3_file*)User::Alloc(vfs->szOsFile);
TEST(osFile != NULL);
//Creating a new file
int outFlags = 0;
int err = sqlite3OsOpen(vfs, KTestFile1Z, osFile, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, &outFlags);
TEST2(err, SQLITE_OK);
TEST(outFlags & SQLITE_OPEN_READWRITE);
err = sqlite3OsClose(osFile);
TEST2(err, SQLITE_OK);
//Opening an existing file for R/W
err = sqlite3OsOpen(vfs, KTestFile1Z, osFile, SQLITE_OPEN_READWRITE, &outFlags);
TEST2(err, SQLITE_OK);
TEST(outFlags & SQLITE_OPEN_READWRITE);
err = sqlite3OsClose(osFile);
TEST2(err, SQLITE_OK);
//Opening a read-only file
err = sqlite3OsOpen(vfs, KTestFile2Z, osFile, SQLITE_OPEN_READWRITE, &outFlags);
TEST2(err, SQLITE_OK);
TEST(outFlags & SQLITE_OPEN_READONLY);
//Truncate a read-only file
err = osFile->pMethods->xTruncate(osFile, 0);
TEST2(err, SQLITE_IOERR);
//xAccess - read-only file
int res = 0;
err = vfs->xAccess(vfs, KTestFile2Z, SQLITE_ACCESS_READ, &res);
TEST2(err, SQLITE_OK);
TEST(res != 0);
//xAccess - invalid request
res = 0;
err = vfs->xAccess(vfs, KTestFile2Z, 122, &res);
TEST2(err, SQLITE_OK);
TEST2(res, 0);
//
err = sqlite3OsClose(osFile);
TEST2(err, SQLITE_OK);
//Creating a new file
err = sqlite3OsOpen(vfs, KTestFile3Z, osFile, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, &outFlags);
TEST2(err, SQLITE_OK);
TEST(outFlags & SQLITE_OPEN_READWRITE);
err = sqlite3OsClose(osFile);
TEST2(err, SQLITE_OK);
//Open a file for a read-only access
err = sqlite3OsOpen(vfs, KTestFile1Z, osFile, SQLITE_OPEN_READONLY, &outFlags);
TEST2(err, SQLITE_OK);
TEST(outFlags & SQLITE_OPEN_READONLY);
err = sqlite3OsWrite(osFile, "1234", 4, 0);
TEST(err != SQLITE_OK);
err = sqlite3SymbianLastOsError();
TEST2(err, KErrAccessDenied);
err = vfs->xGetLastError(vfs, 0, 0);
TEST2(err, 0);//Default implementation
err = sqlite3OsClose(osFile);
TEST2(err, SQLITE_OK);
//Delete KTestFile3Z file
err = sqlite3OsDelete(vfs, KTestFile3Z, 0);
TEST2(err, SQLITE_OK);
res = 0;
err = sqlite3OsAccess(vfs, KTestFile3Z, SQLITE_ACCESS_EXISTS, &res);
TEST2(err, SQLITE_OK);
TEST2(res, 0);
//Open a file for an exclusive access
err = sqlite3OsOpen(vfs, KTestFile3Z, osFile, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_DELETEONCLOSE | SQLITE_OPEN_EXCLUSIVE, &outFlags);
TEST2(err, SQLITE_OK);
err = sqlite3OsClose(osFile);
TEST2(err, SQLITE_OK);
//The file should not exist now
err = sqlite3OsAccess(vfs, KTestFile3Z, SQLITE_ACCESS_EXISTS, &res);
TEST2(err, SQLITE_OK);
TEST2(res, 0);
//Open a file for an exclusive access without deleting it after
err = sqlite3OsOpen(vfs, KTestFile3Z, osFile, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_EXCLUSIVE, &outFlags);
TEST2(err, SQLITE_OK);
err = sqlite3OsClose(osFile);
TEST2(err, SQLITE_OK);
//The file should exist now
err = sqlite3OsAccess(vfs, KTestFile3Z, SQLITE_ACCESS_EXISTS, &res);
TEST2(err, SQLITE_OK);
TEST2(res, 1);
//Delete KTestFile3Z file
err = sqlite3OsDelete(vfs, KTestFile3Z, 0);
TEST2(err, SQLITE_OK);
err = sqlite3OsAccess(vfs, KTestFile3Z, SQLITE_ACCESS_EXISTS, &res);
TEST2(err, SQLITE_OK);
TEST2(res, 0);
//
User::Free(osFile);
}
/*
** Open an tvfs file handle.
*/
static int tvfsOpen(
sqlite3_vfs *pVfs,
const char *zName,
sqlite3_file *pFile,
int flags,
int *pOutFlags
){
int rc;
TestvfsFile *pTestfile = (TestvfsFile *)pFile;
TestvfsFd *pFd;
Tcl_Obj *pId = 0;
Testvfs *p = (Testvfs *)pVfs->pAppData;
pFd = (TestvfsFd *)ckalloc(sizeof(TestvfsFd) + PARENTVFS(pVfs)->szOsFile);
memset(pFd, 0, sizeof(TestvfsFd) + PARENTVFS(pVfs)->szOsFile);
pFd->pShm = 0;
pFd->pShmId = 0;
pFd->zFilename = zName;
pFd->pVfs = pVfs;
pFd->pReal = (sqlite3_file *)&pFd[1];
memset(pTestfile, 0, sizeof(TestvfsFile));
pTestfile->pFd = pFd;
/* Evaluate the Tcl script:
**
** SCRIPT xOpen FILENAME KEY-VALUE-ARGS
**
** If the script returns an SQLite error code other than SQLITE_OK, an
** error is returned to the caller. If it returns SQLITE_OK, the new
** connection is named "anon". Otherwise, the value returned by the
** script is used as the connection name.
*/
Tcl_ResetResult(p->interp);
if( p->pScript && p->mask&TESTVFS_OPEN_MASK ){
Tcl_Obj *pArg = Tcl_NewObj();
Tcl_IncrRefCount(pArg);
if( flags&SQLITE_OPEN_MAIN_DB ){
const char *z = &zName[strlen(zName)+1];
while( *z ){
Tcl_ListObjAppendElement(0, pArg, Tcl_NewStringObj(z, -1));
z += strlen(z) + 1;
Tcl_ListObjAppendElement(0, pArg, Tcl_NewStringObj(z, -1));
z += strlen(z) + 1;
}
}
tvfsExecTcl(p, "xOpen", Tcl_NewStringObj(pFd->zFilename, -1), pArg, 0, 0);
Tcl_DecrRefCount(pArg);
if( tvfsResultCode(p, &rc) ){
if( rc!=SQLITE_OK ) return rc;
}else{
pId = Tcl_GetObjResult(p->interp);
}
}
if( (p->mask&TESTVFS_OPEN_MASK) && tvfsInjectIoerr(p) ) return SQLITE_IOERR;
if( tvfsInjectCantopenerr(p) ) return SQLITE_CANTOPEN;
if( tvfsInjectFullerr(p) ) return SQLITE_FULL;
if( !pId ){
pId = Tcl_NewStringObj("anon", -1);
}
Tcl_IncrRefCount(pId);
pFd->pShmId = pId;
Tcl_ResetResult(p->interp);
rc = sqlite3OsOpen(PARENTVFS(pVfs), zName, pFd->pReal, flags, pOutFlags);
if( pFd->pReal->pMethods ){
sqlite3_io_methods *pMethods;
int nByte;
if( pVfs->iVersion>1 ){
nByte = sizeof(sqlite3_io_methods);
}else{
nByte = offsetof(sqlite3_io_methods, xShmMap);
}
pMethods = (sqlite3_io_methods *)ckalloc(nByte);
memcpy(pMethods, &tvfs_io_methods, nByte);
pMethods->iVersion = pVfs->iVersion;
if( pVfs->iVersion>1 && ((Testvfs *)pVfs->pAppData)->isNoshm ){
pMethods->xShmUnmap = 0;
pMethods->xShmLock = 0;
pMethods->xShmBarrier = 0;
pMethods->xShmMap = 0;
}
pFile->pMethods = pMethods;
}
return rc;
}
