src/StoreFileSystem.cc

   1 /*
   2  * Copyright (C) 1996-2020 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 /* DEBUG: section 92    Storage File System */
  10
  11 #include "squid.h"
  12 #include "StoreFileSystem.h"
  13
  14 std::vector<StoreFileSystem*> *StoreFileSystem::_FileSystems = NULL;
  15
  16 void
  17 StoreFileSystem::RegisterAllFsWithCacheManager(void)
  18 {
  19     for (iterator i = GetFileSystems().begin(); i != GetFileSystems().end(); ++i)
  20         (*i)->registerWithCacheManager();
  21 }
  22
  23 void
  24 StoreFileSystem::SetupAllFs()
  25 {
  26     for (iterator i = GetFileSystems().begin(); i != GetFileSystems().end(); ++i)
  27         /* Call the FS to set up capabilities and initialize the FS driver */
  28         (*i)->setup();
  29 }
  30
  31 void
  32 StoreFileSystem::FsAdd(StoreFileSystem &instance)
  33 {
  34     iterator i = GetFileSystems().begin();
  35
  36     while (i != GetFileSystems().end()) {
  37         assert(strcmp((*i)->type(), instance.type()) != 0);
  38         ++i;
  39     }
  40
  41     GetFileSystems().push_back (&instance);
  42 }
  43
  44 std::vector<StoreFileSystem *> const &
  45 StoreFileSystem::FileSystems()
  46 {
  47     return GetFileSystems();
  48 }
  49
  50 std::vector<StoreFileSystem*> &
  51 StoreFileSystem::GetFileSystems()
  52 {
  53     if (!_FileSystems)
  54         _FileSystems = new std::vector<StoreFileSystem *>;
  55
  56     return *_FileSystems;
  57 }
  58
  59 /*
  60  * called when a graceful shutdown is to occur
  61  * of each fs module.
  62  */
  63 void
  64 StoreFileSystem::FreeAllFs()
  65 {
  66     while (!GetFileSystems().empty()) {
  67         StoreFileSystem *fs = GetFileSystems().back();
  68         GetFileSystems().pop_back();
  69         fs->done();
  70     }
  71 }
  72
  73 /* no filesystem is required to export statistics */
  74 void
  75 StoreFileSystem::registerWithCacheManager(void)
  76 {}
  77