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Annotation of fam/fam/FileSystemTable.h, Revision 1.1

1.1     ! trev        1: //  Copyright (C) 1999 Silicon Graphics, Inc.  All Rights Reserved.
        !             2: //
        !             3: //  This program is free software; you can redistribute it and/or modify it
        !             4: //  under the terms of version 2 of the GNU General Public License as
        !             5: //  published by the Free Software Foundation.
        !             6: //
        !             7: //  This program is distributed in the hope that it would be useful, but
        !             8: //  WITHOUT ANY WARRANTY; without even the implied warranty of
        !             9: //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  Further, any
        !            10: //  license provided herein, whether implied or otherwise, is limited to
        !            11: //  this program in accordance with the express provisions of the GNU
        !            12: //  General Public License.  Patent licenses, if any, provided herein do not
        !            13: //  apply to combinations of this program with other product or programs, or
        !            14: //  any other product whatsoever.  This program is distributed without any
        !            15: //  warranty that the program is delivered free of the rightful claim of any
        !            16: //  third person by way of infringement or the like.  See the GNU General
        !            17: //  Public License for more details.
        !            18: //
        !            19: //  You should have received a copy of the GNU General Public License along
        !            20: //  with this program; if not, write the Free Software Foundation, Inc., 59
        !            21: //  Temple Place - Suite 330, Boston MA 02111-1307, USA.
        !            22:
        !            23: #ifndef FileSystemTable_included
        !            24: #define FileSystemTable_included
        !            25:
        !            26: #include "config.h"
        !            27: #include "SmallTable.h"
        !            28: #include "StringTable.h"
        !            29:
        !            30: class Cred;
        !            31: class Event;
        !            32: class FileSystem;
        !            33: class InternalClient;
        !            34:
        !            35: //  FileSystemTable provides a static function, find(), which looks up
        !            36: //  a path and returns a pointer to the FileSystem where that path
        !            37: //  resides.
        !            38:
        !            39: class FileSystemTable {
        !            40:
        !            41: public:
        !            42:
        !            43: #ifdef HAPPY_PURIFY
        !            44:     FileSystemTable();
        !            45:     ~FileSystemTable();
        !            46: #endif
        !            47:
        !            48:     static FileSystem *find(const char *path, const Cred& cr);
        !            49:
        !            50: private:
        !            51:
        !            52:     typedef SmallTable<unsigned long, FileSystem *> IDTable;
        !            53:     typedef StringTable<FileSystem *> NameTable;
        !            54:
        !            55:     //  Class Variables
        !            56:
        !            57:     static const char mtab_name[];
        !            58:     static unsigned int count;
        !            59:     static IDTable    fs_by_id;
        !            60:     static NameTable *fs_by_name;
        !            61:     static InternalClient *mtab_watcher;
        !            62:     static FileSystem *root;
        !            63:
        !            64:     //  Class Methods
        !            65:
        !            66:     static void create_fs_by_name();
        !            67:     static void destroy_fses(NameTable *);
        !            68:     static FileSystem *longest_prefix(const char *path);
        !            69:     static void mtab_event_handler(const Event&, void *);
        !            70:
        !            71: };
        !            72:
        !            73: #ifdef HAPPY_PURIFY
        !            74: static FileSystemTable FileSystemTable_instance;
        !            75: #endif
        !            76:
        !            77: #endif /* !FileSystemTable_included */