rc_t CC
TOpenPtFile ( struct KDirectory * current_dir, const char * path, TFileOpenMode mode, struct KFile ** out_file )
{
rc_t rc;
struct KFile * file;
rc = 0;
file = NULL;
assert ( path );
assert ( out_file );
* out_file = NULL;
switch (mode)
{
case TFileOpenMode_Read:
rc = KDirectoryOpenFileRead ( current_dir, (const struct KFile **)& file, path );
break;
case TFileOpenMode_Write:
rc = KDirectoryOpenFileWrite ( current_dir, & file, false, path );
break;
case TFileOpenMode_ReadWrite:
rc = KDirectoryOpenFileWrite ( current_dir, & file, true, path );
break;
default:
assert(false);
}
if (rc == 0)
{
* out_file = file;
}
return rc;
} /* TOpenPtFile () */
/* OpenDBUpdate
* VOpenDBUpdate
* open a database for read/write
*
* "db" [ OUT ] - return parameter for newly opened database
*
* "path" [ IN ] - NUL terminated string in
* wd-native character set giving path to database
*/
static
rc_t KDBManagerVOpenDBUpdateInt ( KDBManager *self,
KDatabase **db, KDirectory *wd, const char *path, va_list args )
{
char dbpath [ 4096 ];
rc_t rc = KDirectoryVResolvePath ( wd, true,
dbpath, sizeof dbpath, path, args );
if ( rc == 0 )
{
KSymbol * sym;
KFile *f;
KMD5SumFmt * md5 = NULL;
/* if already open, refuse */
sym = KDBManagerOpenObjectFind (self, dbpath);
if (sym != NULL)
{
rc_t obj;
switch (sym->type)
{
default:
obj = rcPath;
break;
case kptDatabase:
obj = rcDatabase;
break;
case kptTable:
obj = rcTable;
break;
case kptColumn:
obj = rcColumn;
break;
case kptIndex:
obj = rcIndex;
break;
case kptMetadata:
obj = rcMetadata;
break;
}
return RC ( rcDB, rcMgr, rcOpening, obj, rcBusy );
}
/* only open existing dbs */
switch (KDBPathType ( /*self,*/ wd, NULL, dbpath ) )
{
case kptNotFound:
return RC ( rcDB, rcMgr, rcOpening, rcDatabase, rcNotFound );
case kptBadPath:
return RC ( rcDB, rcMgr, rcOpening, rcPath, rcInvalid );
case kptFile:
case kptFile | kptAlias:
/* if we find a file, vary the failure if it is an archive that is a database
* or a non related file */
if ( KDBOpenPathTypeRead ( self, wd, dbpath, NULL, kptDatabase, NULL, false ) == 0 )
return RC ( rcDB, rcMgr, rcOpening, rcDirectory, rcUnauthorized );
/* fall through */
default:
return RC ( rcDB, rcMgr, rcOpening, rcPath, rcIncorrect );
case kptDatabase:
case kptDatabase | kptAlias:
break;
}
/* test now for locked directory */
rc = KDBWritable (wd, dbpath);
switch (GetRCState (rc))
{
default:
#if 0
return RC ( rcDB, rcMgr, rcOpening, rcDatabase, rcNoPerm ); /* TBD: better state? */
#endif
case rcLocked:
return RC ( rcDB, rcMgr, rcOpening, rcDatabase, rcLocked );
case rcReadonly:
return RC ( rcDB, rcMgr, rcOpening, rcDatabase, rcReadonly );
case 0:
rc = 0;
break;
}
rc = KDirectoryOpenFileWrite ( wd, &f, true, "%s/md5", dbpath );
if ( rc == 0 )
{
rc = KMD5SumFmtMakeUpdate ( & md5, f );
if ( rc != 0 )
KFileRelease ( f );
}
else if ( GetRCState ( rc ) == rcNotFound )
rc = 0;
if ( rc == 0 )
rc = KDBManagerMakeDBUpdate ( self, db, wd, dbpath, md5 );
KMD5SumFmtRelease ( md5 );
}
return rc;
}
