src/StoreFileSystem.cc

   1
   2 /*
   3  * $Id$
   4  *
   5  * DEBUG: section 92    Storage File System
   6  * AUTHOR: Robert Collins
   7  *
   8  * SQUID Web Proxy Cache          http://www.squid-cache.org/
   9  * ----------------------------------------------------------
  10  *
  11  *  Squid is the result of efforts by numerous individuals from
  12  *  the Internet community; see the CONTRIBUTORS file for full
  13  *  details.   Many organizations have provided support for Squid's
  14  *  development; see the SPONSORS file for full details.  Squid is
  15  *  Copyrighted (C) 2001 by the Regents of the University of
  16  *  California; see the COPYRIGHT file for full details.  Squid
  17  *  incorporates software developed and/or copyrighted by other
  18  *  sources; see the CREDITS file for full details.
  19  *
  20  *  This program is free software; you can redistribute it and/or modify
  21  *  it under the terms of the GNU General Public License as published by
  22  *  the Free Software Foundation; either version 2 of the License, or
  23  *  (at your option) any later version.
  24  *
  25  *  This program is distributed in the hope that it will be useful,
  26  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  27  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  28  *  GNU General Public License for more details.
  29  *
  30  *  You should have received a copy of the GNU General Public License
  31  *  along with this program; if not, write to the Free Software
  32  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  33  *
  34  * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
  35  */
  36
  37 #include "squid.h"
  38 #include "StoreFileSystem.h"
  39
  40 Vector<StoreFileSystem*> *StoreFileSystem::_FileSystems = NULL;
  41
  42 void
  43 StoreFileSystem::RegisterAllFsWithCacheManager(void)
  44 {
  45     for (iterator i = GetFileSystems().begin(); i != GetFileSystems().end(); ++i)
  46         (*i)->registerWithCacheManager();
  47 }
  48
  49 void
  50 StoreFileSystem::SetupAllFs()
  51 {
  52     for (iterator i = GetFileSystems().begin(); i != GetFileSystems().end(); ++i)
  53         /* Call the FS to set up capabilities and initialize the FS driver */
  54         (*i)->setup();
  55 }
  56
  57 void
  58 StoreFileSystem::FsAdd(StoreFileSystem &instance)
  59 {
  60     iterator i = GetFileSystems().begin();
  61
  62     while (i != GetFileSystems().end()) {
  63         assert(strcmp((*i)->type(), instance.type()) != 0);
  64         ++i;
  65     }
  66
  67     GetFileSystems().push_back (&instance);
  68 }
  69
  70 Vector<StoreFileSystem *> const &
  71 StoreFileSystem::FileSystems()
  72 {
  73     return GetFileSystems();
  74 }
  75
  76 Vector<StoreFileSystem*> &
  77 StoreFileSystem::GetFileSystems()
  78 {
  79     if (!_FileSystems)
  80         _FileSystems = new Vector<StoreFileSystem *>;
  81
  82     return *_FileSystems;
  83 }
  84
  85 /*
  86  * called when a graceful shutdown is to occur
  87  * of each fs module.
  88  */
  89 void
  90 StoreFileSystem::FreeAllFs()
  91 {
  92     while (GetFileSystems().size()) {
  93         StoreFileSystem *fs = GetFileSystems().back();
  94         GetFileSystems().pop_back();
  95         fs->done();
  96     }
  97 }
  98
  99 /* no filesystem is required to export statistics */
 100 void
 101 StoreFileSystem::registerWithCacheManager(void)
 102 {}