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Overview
Comment:Add test logic and some test cases.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | quota-stdio
Files: files | file ages | folders
SHA1: a4730586cc1f686ead956ccd1cc218b5931942c9
User & Date: drh 2011-12-01 20:48:15.803
Context
2011-12-01
22:07
Progress toward getting things to work better on windows. (check-in: 253dd7072e user: drh tags: quota-stdio)
20:48
Add test logic and some test cases. (check-in: a4730586cc user: drh tags: quota-stdio)
18:44
Add stdio-like I/O interfaces to the test_quota VFS. This is a prototype change for discussion and is mostly untested. This is an alternative to adding stdio-like I/O interfaces in the core. There is no guarantee that this code will make it into the trunk. If it does get to trunk, there could be many changes to the interface first. (check-in: bd3ce723f1 user: drh tags: quota-stdio)
Changes
Side-by-Side Diff Ignore Whitespace Patch
Changes to src/test_quota.c.
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**      '?'       Matches exactly one character.
**
**     [...]      Matches one character from the enclosed list of
**                characters.
**
**     [^...]     Matches one character not in the enclosed list.
**
**     /          Matches "/" or "\\"
**
*/
static int quotaStrglob(const char *zGlob, const char *z){
  int c, c2;
  int invert;
  int seen;

  while( (c = (*(zGlob++)))!=0 ){
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            seen = 1;
          }
          prior_c = c2;
        }
        c2 = *(zGlob++);
      }
      if( c2==0 || (seen ^ invert)==0 ) return 0;
    }else if( c=='/' ){
      if( z[0]!='/' && z[0]!='\\' ) return 0;
      z++;
    }else{
      if( c!=(*(z++)) ) return 0;
    }
  }
  return *z==0;
}

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      pFile->ppPrev = &pGroup->pFiles;
      pGroup->pFiles = pFile;
      pFile->pGroup = pGroup;
    }
  }
  return pFile;
}

/*
** Figure out if we are dealing with Unix, Windows, or some other
** operating system.  After the following block of preprocess macros,
** all of SQLITE_OS_UNIX, SQLITE_OS_WIN, SQLITE_OS_OS2, and SQLITE_OS_OTHER 
** will defined to either 1 or 0.  One of the four will be 1.  The other 
** three will be 0.
*/
#if defined(SQLITE_OS_OTHER)
# if SQLITE_OS_OTHER==1
#   undef SQLITE_OS_UNIX
#   define SQLITE_OS_UNIX 0
#   undef SQLITE_OS_WIN
#   define SQLITE_OS_WIN 0
#   undef SQLITE_OS_OS2
#   define SQLITE_OS_OS2 0
# else
#   undef SQLITE_OS_OTHER
# endif
#endif
#if !defined(SQLITE_OS_UNIX) && !defined(SQLITE_OS_OTHER)
# define SQLITE_OS_OTHER 0
# ifndef SQLITE_OS_WIN
#   if defined(_WIN32) || defined(WIN32) || defined(__CYGWIN__) \
                       || defined(__MINGW32__) || defined(__BORLANDC__)
#     define SQLITE_OS_WIN 1
#     define SQLITE_OS_UNIX 0
#     define SQLITE_OS_OS2 0
#   elif defined(__EMX__) || defined(_OS2) || defined(OS2) \
                          || defined(_OS2_) || defined(__OS2__)
#     define SQLITE_OS_WIN 0
#     define SQLITE_OS_UNIX 0
#     define SQLITE_OS_OS2 1
#   else
#     define SQLITE_OS_WIN 0
#     define SQLITE_OS_UNIX 1
#     define SQLITE_OS_OS2 0
#  endif
# else
#  define SQLITE_OS_UNIX 0
#  define SQLITE_OS_OS2 0
# endif
#else
# ifndef SQLITE_OS_WIN
#  define SQLITE_OS_WIN 0
# endif
#endif


/*
** Translate UTF8 to MBCS for use in fopen() calls.  Return a pointer to the
** translated text..  Call quota_mbcs_free() to deallocate any memory
** used to store the returned pointer when done.
*/
static char *quota_utf8_to_mbcs(const char *zUtf8){
#if SQLITE_OS_WIN
  extern char *sqlite3_win32_utf8_to_mbcs(const char*);
  return sqlite3_win32_utf8_to_mbcs(zUtf8);
#else
  return (char*)zUtf8;  /* No-op on unix */
#endif  
}

/*
** Deallocate any memory allocated by quota_utf8_to_mbcs().
*/
static void quota_mbcs_free(char *zOld){
#if SQLITE_OS_WIN
  free(zOld);
#else
  /* No-op on unix */
#endif  
}

/************************* VFS Method Wrappers *****************************/
/*
** This is the xOpen method used for the "quota" VFS.
**
** Most of the work is done by the underlying original VFS.  This method
** simply links the new file into the appropriate quota group if it is a
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/*
** Open a potentially quotaed file for I/O.
*/
quota_FILE *sqlite3_quota_fopen(const char *zFilename, const char *zMode){
  quota_FILE *p = 0;
  char *zFull = 0;
  char *zFullTranslated;
  int rc;
  quotaGroup *pGroup;
  quotaFile *pFile;

  p = sqlite3_malloc(gQuota.sThisVfs.mxPathname + 1);
  if( p==0 ) return 0;
  zFull = sqlite3_malloc(gQuota.sThisVfs.mxPathname + 1);
  if( zFull==0 ) return 0;
  zFull = (char*)&p[1];
  rc = gQuota.pOrigVfs->xFullPathname(gQuota.pOrigVfs, zFilename,
                                      gQuota.sThisVfs.mxPathname+1, zFull);
  if( rc ) goto quota_fopen_error;
  p = sqlite3_malloc(sizeof(*p));
  if( p==0 ) goto quota_fopen_error;
  memset(p, 0, sizeof(*p));
  zFullTranslated = quota_utf8_to_mbcs(zFull);
  if( zFullTranslated==0 ) goto quota_fopen_error;
  p->f = fopen(zFull, zMode);
  p->f = fopen(zFullTranslated, zMode);
  quota_mbcs_free(zFullTranslated);
  if( p->f==0 ) goto quota_fopen_error;
  quotaEnter();
  pGroup = quotaGroupFind(zFull);
  if( pGroup ){
    pFile = quotaFindFile(pGroup, zFull, 1);
    if( pFile==0 ){
      quotaLeave();
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    }
    Tcl_ListObjAppendElement(interp, pResult, pGroupTerm);
  }
  quotaLeave();
  Tcl_SetObjResult(interp, pResult);
  return TCL_OK;
}

/*
** tclcmd: sqlite3_quota_fopen FILENAME MODE
*/
static int test_quota_fopen(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  const char *zFilename;          /* File pattern to configure */
  const char *zMode;              /* Mode string */
  quota_FILE *p;                  /* Open string object */
  char zReturn[50];               /* Name of pointer to return */

  /* Process arguments */
  if( objc!=3 ){
    Tcl_WrongNumArgs(interp, 1, objv, "FILENAME MODE");
    return TCL_ERROR;
  }
  zFilename = Tcl_GetString(objv[1]);
  zMode = Tcl_GetString(objv[2]);
  p = sqlite3_quota_fopen(zFilename, zMode);
  sqlite3_snprintf(sizeof(zReturn), zReturn, "%p", p);
  Tcl_SetResult(interp, zReturn, TCL_VOLATILE);
  return TCL_OK;
}

/* Defined in test1.c */
extern void *sqlite3TestTextToPtr(const char*);

/*
** tclcmd: sqlite3_quota_fread HANDLE SIZE NELEM
*/
static int test_quota_fread(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  quota_FILE *p;
  char *zBuf;
  int sz;
  int nElem;
  int got;

  if( objc!=4 ){
    Tcl_WrongNumArgs(interp, 1, objv, "HANDLE SIZE NELEM");
    return TCL_ERROR;
  }
  p = sqlite3TestTextToPtr(Tcl_GetString(objv[1]));
  if( Tcl_GetIntFromObj(interp, objv[2], &sz) ) return TCL_ERROR;
  if( Tcl_GetIntFromObj(interp, objv[3], &nElem) ) return TCL_ERROR;
  zBuf = sqlite3_malloc( sz*nElem + 1 );
  if( zBuf==0 ){
    Tcl_SetResult(interp, "out of memory", TCL_STATIC);
    return TCL_ERROR;
  }
  got = sqlite3_quota_fread(zBuf, sz, nElem, p);
  if( got<0 ) got = 0;
  zBuf[got*sz] = 0;
  Tcl_SetResult(interp, zBuf, TCL_VOLATILE);
  sqlite3_free(zBuf);
  return TCL_OK;
}

/*
** tclcmd: sqlite3_quota_fwrite HANDLE SIZE NELEM CONTENT
*/
static int test_quota_fwrite(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  quota_FILE *p;
  char *zBuf;
  int sz;
  int nElem;
  int got;

  if( objc!=5 ){
    Tcl_WrongNumArgs(interp, 1, objv, "HANDLE SIZE NELEM CONTENT");
    return TCL_ERROR;
  }
  p = sqlite3TestTextToPtr(Tcl_GetString(objv[1]));
  if( Tcl_GetIntFromObj(interp, objv[2], &sz) ) return TCL_ERROR;
  if( Tcl_GetIntFromObj(interp, objv[3], &nElem) ) return TCL_ERROR;
  zBuf = Tcl_GetString(objv[4]);
  got = sqlite3_quota_fwrite(zBuf, sz, nElem, p);
  Tcl_SetObjResult(interp, Tcl_NewIntObj(got));
  return TCL_OK;
}

/*
** tclcmd: sqlite3_quota_fclose HANDLE
*/
static int test_quota_fclose(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  quota_FILE *p;
  int rc;

  if( objc!=2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "HANDLE");
    return TCL_ERROR;
  }
  p = sqlite3TestTextToPtr(Tcl_GetString(objv[1]));
  rc = sqlite3_quota_fclose(p);
  Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
  return TCL_OK;
}

/*
** tclcmd: sqlite3_quota_fseek HANDLE OFFSET WHENCE
*/
static int test_quota_fseek(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  quota_FILE *p;
  int ofst;
  const char *zWhence;
  int whence;
  int rc;

  if( objc!=4 ){
    Tcl_WrongNumArgs(interp, 1, objv, "HANDLE OFFSET WHENCE");
    return TCL_ERROR;
  }
  p = sqlite3TestTextToPtr(Tcl_GetString(objv[1]));
  if( Tcl_GetIntFromObj(interp, objv[2], &ofst) ) return TCL_ERROR;
  zWhence = Tcl_GetString(objv[3]);
  if( strcmp(zWhence, "SEEK_SET")==0 ){
    whence = SEEK_SET;
  }else if( strcmp(zWhence, "SEEK_CUR")==0 ){
    whence = SEEK_CUR;
  }else if( strcmp(zWhence, "SEEK_END")==0 ){
    whence = SEEK_END;
  }else{
    Tcl_AppendResult(interp,
           "WHENCE should be SEEK_SET, SEEK_CUR, or SEEK_END", (char*)0);
    return TCL_ERROR;
  }
  rc = sqlite3_quota_fseek(p, ofst, whence);
  Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
  return TCL_OK;
}

/*
** tclcmd: sqlite3_quota_rewind HANDLE
*/
static int test_quota_rewind(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  quota_FILE *p;
  if( objc!=2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "HANDLE");
    return TCL_ERROR;
  }
  p = sqlite3TestTextToPtr(Tcl_GetString(objv[1]));
  sqlite3_quota_rewind(p);
  return TCL_OK;
}

/*
** tclcmd: sqlite3_quota_ftell HANDLE
*/
static int test_quota_ftell(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  quota_FILE *p;
  sqlite3_int64 x;
  if( objc!=2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "HANDLE");
    return TCL_ERROR;
  }
  p = sqlite3TestTextToPtr(Tcl_GetString(objv[1]));
  x = sqlite3_quota_ftell(p);
  Tcl_SetObjResult(interp, Tcl_NewWideIntObj(x));
  return TCL_OK;
}

/*
** tclcmd: sqlite3_quota_remove FILENAME
*/
static int test_quota_remove(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  const char *zFilename;          /* File pattern to configure */
  int rc;
  if( objc!=2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "FILENAME");
    return TCL_ERROR;
  }
  zFilename = Tcl_GetString(objv[1]);
  rc = sqlite3_quota_remove(zFilename);
  Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
  return TCL_OK;
}

/*
** This routine registers the custom TCL commands defined in this
** module.  This should be the only procedure visible from outside
** of this module.
*/
int Sqlitequota_Init(Tcl_Interp *interp){
  static struct {
     char *zName;
     Tcl_ObjCmdProc *xProc;
  } aCmd[] = {
    { "sqlite3_quota_initialize", test_quota_initialize },
    { "sqlite3_quota_shutdown", test_quota_shutdown },
    { "sqlite3_quota_set", test_quota_set },
    { "sqlite3_quota_file", test_quota_file },
    { "sqlite3_quota_dump", test_quota_dump },
    { "sqlite3_quota_shutdown",   test_quota_shutdown },
    { "sqlite3_quota_set",        test_quota_set },
    { "sqlite3_quota_file",       test_quota_file },
    { "sqlite3_quota_dump",       test_quota_dump },
    { "sqlite3_quota_fopen",      test_quota_fopen },
    { "sqlite3_quota_fread",      test_quota_fread },
    { "sqlite3_quota_fwrite",     test_quota_fwrite },
    { "sqlite3_quota_fclose",     test_quota_fclose },
    { "sqlite3_quota_fseek",      test_quota_fseek },
    { "sqlite3_quota_rewind",     test_quota_rewind },
    { "sqlite3_quota_ftell",      test_quota_ftell },
    { "sqlite3_quota_remove",     test_quota_remove },
  };
  int i;

  for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
    Tcl_CreateObjCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
  }

  return TCL_OK;
}
#endif
Changes to test/quota.test.
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#   quota-2.4.*: Try to shutdown the quota system before closing the db
#                file. Check that this fails and the quota system still works
#                afterwards. Then close the database and successfully shut
#                down the quota system.
#   
sqlite3_quota_initialize "" 1

unset -nocomplain quota_request_ok
proc quota_check {filename limitvar size} {
  upvar $limitvar limit

  lappend ::quota [set limit] $size
  if {[info exists ::quota_request_ok]} { set limit $size }
}

Added test/quota2.test.


















































































































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# 2011 December 1
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/malloc_common.tcl

db close
sqlite3_quota_initialize "" 1

file delete -force quota2a
file delete -force quota2b
file mkdir quota2a
file mkdir quota2b

# The quota_check procedure is a callback from the quota handler.
# It has three arguments which are (1) the full pathname of the file
# that has gone over quota, (2) the quota limit, (3) the requested
# new quota size to cover the last write.  These three values are
# appended to the global variable $::quota.  The filename is processed
# to convert every \ character into / and to change the name of the
# working directory to PWD.  
#
# The quota is increased to the request if the ::quota_request_ok 
# global variable is true.
#
set ::quota {}
set ::quota_request_ok 0
proc quota_check {filename limitvar size} {
  upvar $limitvar limit
  set filename [string map [list [pwd] PWD \\ /] $filename]
  lappend ::quota $filename [set limit] $size
  if {$::quota_request_ok} {set limit $size}
}

sqlite3_quota_set */quota2a/* 4000 quota_check
sqlite3_quota_set */quota2b/* 5000 quota_check

unset -nocomplain bigtext
for {set i 1} {$i<=1000} {incr i} {
  if {$i%10==0} {
    append bigtext [format "%06d\n" $i]
  } else {
    append bigtext [format "%06d " $i]
  }
}

catch { unset h1 }
catch { unset x }
do_test quota2-1.1 {
  set ::h1 [sqlite3_quota_fopen quota2a/xyz.txt w+]
  sqlite3_quota_fwrite $::h1 1 7000 $bigtext
} {4000}
do_test quota2-1.2 {
  set ::quota
} {PWD/quota2a/xyz.txt 4000 7000}
do_test quota2-1.3 {
  sqlite3_quota_rewind $::h1
  set ::x [sqlite3_quota_fread $::h1 1001 7]
  string length $::x
} {3003}
do_test quota2-1.4 {
  string match $::x [string range $::bigtext 0 3002]
} {1}
do_test quota2-1.5 {
  sqlite3_quota_fseek $::h1 0 SEEK_END
  sqlite3_quota_ftell $::h1
} {4000}
do_test quota2-1.6 {
  sqlite3_quota_fseek $::h1 -100 SEEK_END
  sqlite3_quota_ftell $::h1
} {3900}
do_test quota2-1.7 {
  sqlite3_quota_fseek $::h1 -100 SEEK_CUR
  sqlite3_quota_ftell $::h1
} {3800}
do_test quota2-1.8 {
  sqlite3_quota_fseek $::h1 50 SEEK_CUR
  sqlite3_quota_ftell $::h1
} {3850}
do_test quota2-1.9 {
  sqlite3_quota_fseek $::h1 50 SEEK_SET
  sqlite3_quota_ftell $::h1
} {50}
do_test quota2-1.10 {
  sqlite3_quota_rewind $::h1
  sqlite3_quota_ftell $::h1
} {0}
do_test quota2-1.11 {
  string map [list [pwd] PWD \\ /] [sqlite3_quota_dump]
} {{*/quota2b/* 5000 0} {*/quota2a/* 4000 4000 {PWD/quota2a/xyz.txt 4000 1 0}}}
do_test quota1-1.12 {
  sqlite3_quota_fclose $::h1
  string map [list [pwd] PWD \\ /] [sqlite3_quota_dump]
} {{*/quota2b/* 5000 0} {*/quota2a/* 4000 4000 {PWD/quota2a/xyz.txt 4000 0 0}}}
do_test quota1-1.13 {
  sqlite3_quota_remove quota2a/xyz.txt
  string map [list [pwd] PWD \\ /] [sqlite3_quota_dump]
} {{*/quota2b/* 5000 0} {*/quota2a/* 4000 0}}



catch { sqlite3_quota_shutdown }
catch { unset quota_request_ok }
finish_test