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Enhanced I/O error simulation. (CVS 3418)

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FossilOrigin-Name: 86931854fc5a63571719639d9a23b1d6614a6153
This commit is contained in:
drh 2006-09-14 13:47:11 +00:00
parent f800e3e63a
commit 5968593b51
6 changed files with 58 additions and 41 deletions
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18
manifest
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@ -1,5 +1,5 @@
C The\sFTS1\stables\shave\sa\snew\sautomatic\scolumn\snamed\s"offset"\sthat\sreturns\na\sstring\scontaining\sbyte\soffset\sinformation\sfor\sall\smatching\sterms.\nAlso\sadded\sa\slarge\stest\scase\sbased\son\sSQLite\smailing\slist\sentries.\s(CVS\s3417)
D 2006-09-14T01:17:31
C Enhanced\sI/O\serror\ssimulation.\s(CVS\s3418)
D 2006-09-14T13:47:11
F Makefile.in cabd42d34340f49260bc2a7668c38eba8d4cfd99
F Makefile.linux-gcc 2d8574d1ba75f129aba2019f0b959db380a90935
F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
@ -67,14 +67,14 @@ F src/main.c f780d73b3093807bd177d21af703665b3b15a452
F src/md5.c c5fdfa5c2593eaee2e32a5ce6c6927c986eaf217
F src/os.c 59f05de8c5777c34876607114a2fbe55ae578235
F src/os.h 3fd6a022bafd620fdfd779a51dccb42f31c97f75
F src/os_common.h 108cd719c96a2b714b64e02aeabbd40684274e6a
F src/os_os2.c 1cf00781716ae8f9ae1d886e819c55731249b3a8
F src/os_common.h 31e4b5c0a3eba5867fe9cf74211da45aed542d0f
F src/os_os2.c 361964755f361b5ba879549c201284ce61ee9431
F src/os_os2.h e5f17dd69333632bbc3112881ea407c37d245eb3
F src/os_test.c 49833426101f99aee4bb5f6a44b7c4b2029fda1c
F src/os_test.h 903c93554c23d88f34f667f1979e4a1cee792af3
F src/os_unix.c 17d91581a0ab478a06cb6f257b707a4c4a93e5a7
F src/os_unix.c 4a99fca111a7189b095d09301b950e323fede937
F src/os_unix.h 5768d56d28240d3fe4537fac08cc85e4fb52279e
F src/os_win.c c6976ae50b61fb5b7dce399e578aa1865f02b84f
F src/os_win.c a66763099e093785bee7e8cff3baef01868b2e73
F src/os_win.h 41a946bea10f61c158ce8645e7646b29d44f122b
F src/pager.c e51c079b3cad8394898a6c22330150339103700a
F src/pager.h 0cff9de5e9019cb695a04d18df8caaaff933a272
@ -398,7 +398,7 @@ F www/tclsqlite.tcl bb0d1357328a42b1993d78573e587c6dcbc964b9
F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
F www/whentouse.tcl 97e2b5cd296f7d8057e11f44427dea8a4c2db513
P afd40184b752f641b423ceffac2476f2cfbdfd31
R ca773c981e9d66672176c6dfb66c4d51
P f25cfa1aec0e4c1fe07176039a1b7f4e6a2c66ec
R b55f01c726f00ed378fcf34ec0beb5ca
U drh
Z a0cf419bdc2fb2e2cc1249db2fd8f262
Z 3359adac0d0ee93765223d8a4a325247

2
manifest.uuid
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@ -1 +1 @@
f25cfa1aec0e4c1fe07176039a1b7f4e6a2c66ec
86931854fc5a63571719639d9a23b1d6614a6153

8
src/os_common.h
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@ -92,18 +92,18 @@ int sqlite3_io_error_hit = 0;
int sqlite3_io_error_pending = 0;
int sqlite3_diskfull_pending = 0;
int sqlite3_diskfull = 0;
#define SimulateIOError(A) \
#define SimulateIOError(CODE) \
if( sqlite3_io_error_pending ) \
if( sqlite3_io_error_pending-- == 1 ){ local_ioerr(); return A; }
if( sqlite3_io_error_pending-- == 1 ){ local_ioerr(); CODE; }
static void local_ioerr(){
sqlite3_io_error_hit = 1; /* Really just a place to set a breakpoint */
}
#define SimulateDiskfullError \
#define SimulateDiskfullError(CODE) \
if( sqlite3_diskfull_pending ){ \
if( sqlite3_diskfull_pending == 1 ){ \
local_ioerr(); \
sqlite3_diskfull = 1; \
return SQLITE_FULL; \
CODE; \
}else{ \
sqlite3_diskfull_pending--; \
} \

12
src/os_os2.c
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@ -287,7 +287,7 @@ int os2Close( OsFile **pld ){
int os2Read( OsFile *id, void *pBuf, int amt ){
ULONG got;
assert( id!=0 );
SimulateIOError( SQLITE_IOERR );
SimulateIOError( return SQLITE_IOERR );
TRACE3( "READ %d lock=%d\n", ((os2File*)id)->h, ((os2File*)id)->locktype );
DosRead( ((os2File*)id)->h, pBuf, amt, &got );
return (got == (ULONG)amt) ? SQLITE_OK : SQLITE_IOERR;
@ -301,8 +301,8 @@ int os2Write( OsFile *id, const void *pBuf, int amt ){
APIRET rc = NO_ERROR;
ULONG wrote;
assert( id!=0 );
SimulateIOError( SQLITE_IOERR );
SimulateDiskfullError;
SimulateIOError( return SQLITE_IOERR );
SimulateDiskfullError( return SQLITE_FULL );
TRACE3( "WRITE %d lock=%d\n", ((os2File*)id)->h, ((os2File*)id)->locktype );
while( amt > 0 &&
(rc = DosWrite( ((os2File*)id)->h, (PVOID)pBuf, amt, &wrote )) && wrote > 0 ){
@ -339,7 +339,7 @@ int os2Sync( OsFile *id, int dataOnly ){
** than UNIX.
*/
int sqlite3Os2SyncDirectory( const char *zDirname ){
SimulateIOError( SQLITE_IOERR );
SimulateIOError( return SQLITE_IOERR );
return SQLITE_OK;
}
@ -351,7 +351,7 @@ int os2Truncate( OsFile *id, i64 nByte ){
ULONG upperBits = nByte>>32;
assert( id!=0 );
TRACE3( "TRUNCATE %d %lld\n", ((os2File*)id)->h, nByte );
SimulateIOError( SQLITE_IOERR );
SimulateIOError( return SQLITE_IOERR );
rc = DosSetFilePtr( ((os2File*)id)->h, nByte, FILE_BEGIN, &upperBits );
if( rc != NO_ERROR ){
return SQLITE_IOERR;
@ -368,7 +368,7 @@ int os2FileSize( OsFile *id, i64 *pSize ){
FILESTATUS3 fsts3FileInfo;
memset(&fsts3FileInfo, 0, sizeof(fsts3FileInfo));
assert( id!=0 );
SimulateIOError( SQLITE_IOERR );
SimulateIOError( return SQLITE_IOERR );
rc = DosQueryFileInfo( ((os2File*)id)->h, FIL_STANDARD, &fsts3FileInfo, sizeof(FILESTATUS3) );
if( rc == NO_ERROR ){
*pSize = fsts3FileInfo.cbFile;

45
src/os_unix.c
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@ -928,14 +928,13 @@ static int seekAndRead(unixFile *id, void *pBuf, int cnt){
static int unixRead(OsFile *id, void *pBuf, int amt){
int got;
assert( id );
SimulateIOError(SQLITE_IOERR);
TIMER_START;
got = seekAndRead((unixFile*)id, pBuf, amt);
TIMER_END;
TRACE5("READ %-3d %5d %7d %d\n", ((unixFile*)id)->h, got,
last_page, TIMER_ELAPSED);
SEEK(0);
/* if( got<0 ) got = 0; */
SimulateIOError( got=0 );
if( got==amt ){
return SQLITE_OK;
}else{
@ -970,8 +969,6 @@ static int unixWrite(OsFile *id, const void *pBuf, int amt){
int wrote = 0;
assert( id );
assert( amt>0 );
SimulateIOError(SQLITE_IOERR);
SimulateDiskfullError;
TIMER_START;
while( amt>0 && (wrote = seekAndWrite((unixFile*)id, pBuf, amt))>0 ){
amt -= wrote;
@ -981,8 +978,14 @@ static int unixWrite(OsFile *id, const void *pBuf, int amt){
TRACE5("WRITE %-3d %5d %7d %d\n", ((unixFile*)id)->h, wrote,
last_page, TIMER_ELAPSED);
SEEK(0);
SimulateIOError(( wrote=(-1), amt=1 ));
SimulateDiskfullError(( wrote=0, amt=1 ));
if( amt>0 ){
return SQLITE_FULL;
if( wrote<0 ){
return SQLITE_IOERR;
}else{
return SQLITE_FULL;
}
}
return SQLITE_OK;
}
@ -994,7 +997,7 @@ static int unixSeek(OsFile *id, i64 offset){
assert( id );
SEEK(offset/1024 + 1);
#ifdef SQLITE_TEST
if( offset ) SimulateDiskfullError
if( offset ) SimulateDiskfullError(return SQLITE_FULL);
#endif
((unixFile*)id)->offset = offset;
return SQLITE_OK;
@ -1096,11 +1099,13 @@ static int full_fsync(int fd, int fullSync, int dataOnly){
** will not roll back - possibly leading to database corruption.
*/
static int unixSync(OsFile *id, int dataOnly){
int rc;
unixFile *pFile = (unixFile*)id;
assert( pFile );
SimulateIOError(SQLITE_IOERR);
TRACE2("SYNC %-3d\n", pFile->h);
if( full_fsync(pFile->h, pFile->fullSync, dataOnly) ){
rc = full_fsync(pFile->h, pFile->fullSync, dataOnly);
SimulateIOError( rc=1 );
if( rc ){
return SQLITE_IOERR;
}
if( pFile->dirfd>=0 ){
@ -1141,7 +1146,6 @@ int sqlite3UnixSyncDirectory(const char *zDirname){
#else
int fd;
int r;
SimulateIOError(SQLITE_IOERR);
fd = open(zDirname, O_RDONLY|O_BINARY, 0);
TRACE3("DIRSYNC %-3d (%s)\n", fd, zDirname);
if( fd<0 ){
@ -1149,7 +1153,12 @@ int sqlite3UnixSyncDirectory(const char *zDirname){
}
r = fsync(fd);
close(fd);
return ((r==0)?SQLITE_OK:SQLITE_IOERR);
SimulateIOError( r=1 );
if( r ){
return SQLITE_IOERR;
}else{
return SQLITE_OK;
}
#endif
}
@ -1157,19 +1166,27 @@ int sqlite3UnixSyncDirectory(const char *zDirname){
** Truncate an open file to a specified size
*/
static int unixTruncate(OsFile *id, i64 nByte){
int rc;
assert( id );
SimulateIOError(SQLITE_IOERR);
return ftruncate(((unixFile*)id)->h, nByte)==0 ? SQLITE_OK : SQLITE_IOERR;
rc = ftruncate(((unixFile*)id)->h, nByte);
SimulateIOError( rc=1 );
if( rc ){
return SQLITE_IOERR;
}else{
return SQLITE_OK;
}
}
/*
** Determine the current size of a file in bytes
*/
static int unixFileSize(OsFile *id, i64 *pSize){
int rc;
struct stat buf;
assert( id );
SimulateIOError(SQLITE_IOERR);
if( fstat(((unixFile*)id)->h, &buf)!=0 ){
rc = fstat(((unixFile*)id)->h, &buf);
SimulateIOError( rc=1 );
if( rc!=0 ){
return SQLITE_IOERR;
}
*pSize = buf.st_size;

14
src/os_win.c
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@ -864,7 +864,7 @@ static int winClose(OsFile **pId){
static int winRead(OsFile *id, void *pBuf, int amt){
DWORD got;
assert( id!=0 );
SimulateIOError(SQLITE_IOERR);
SimulateIOError(return SQLITE_IOERR);
TRACE3("READ %d lock=%d\n", ((winFile*)id)->h, ((winFile*)id)->locktype);
if( !ReadFile(((winFile*)id)->h, pBuf, amt, &got, 0) ){
got = 0;
@ -884,8 +884,8 @@ static int winWrite(OsFile *id, const void *pBuf, int amt){
int rc = 0;
DWORD wrote;
assert( id!=0 );
SimulateIOError(SQLITE_IOERR);
SimulateDiskfullError;
SimulateIOError(return SQLITE_IOERR);
SimulateDiskfullError(return SQLITE_FULL);
TRACE3("WRITE %d lock=%d\n", ((winFile*)id)->h, ((winFile*)id)->locktype);
assert( amt>0 );
while( amt>0 && (rc = WriteFile(((winFile*)id)->h, pBuf, amt, &wrote, 0))!=0
@ -915,7 +915,7 @@ static int winSeek(OsFile *id, i64 offset){
DWORD rc;
assert( id!=0 );
#ifdef SQLITE_TEST
if( offset ) SimulateDiskfullError
if( offset ) SimulateDiskfullError(return SQLITE_FULL);
#endif
SEEK(offset/1024 + 1);
rc = SetFilePointer(((winFile*)id)->h, lowerBits, &upperBits, FILE_BEGIN);
@ -944,7 +944,7 @@ static int winSync(OsFile *id, int dataOnly){
** than UNIX.
*/
int sqlite3WinSyncDirectory(const char *zDirname){
SimulateIOError(SQLITE_IOERR);
SimulateIOError(return SQLITE_IOERR);
return SQLITE_OK;
}
@ -955,7 +955,7 @@ static int winTruncate(OsFile *id, i64 nByte){
LONG upperBits = nByte>>32;
assert( id!=0 );
TRACE3("TRUNCATE %d %lld\n", ((winFile*)id)->h, nByte);
SimulateIOError(SQLITE_IOERR);
SimulateIOError(return SQLITE_IOERR);
SetFilePointer(((winFile*)id)->h, nByte, &upperBits, FILE_BEGIN);
SetEndOfFile(((winFile*)id)->h);
return SQLITE_OK;
@ -967,7 +967,7 @@ static int winTruncate(OsFile *id, i64 nByte){
static int winFileSize(OsFile *id, i64 *pSize){
DWORD upperBits, lowerBits;
assert( id!=0 );
SimulateIOError(SQLITE_IOERR);
SimulateIOError(return SQLITE_IOERR);
lowerBits = GetFileSize(((winFile*)id)->h, &upperBits);
*pSize = (((i64)upperBits)<<32) + lowerBits;
return SQLITE_OK;