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git.ipfire.org Git - thirdparty/squid.git/blob - src/DiskIO/DiskIOModule.cc
3 * DEBUG: section 92 Storage File System
4 * AUTHOR: Robert Collins
6 * SQUID Web Proxy Cache http://www.squid-cache.org/
7 * ----------------------------------------------------------
9 * Squid is the result of efforts by numerous individuals from
10 * the Internet community; see the CONTRIBUTORS file for full
11 * details. Many organizations have provided support for Squid's
12 * development; see the SPONSORS file for full details. Squid is
13 * Copyrighted (C) 2001 by the Regents of the University of
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15 * incorporates software developed and/or copyrighted by other
16 * sources; see the CREDITS file for full details.
18 * This program is free software; you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation; either version 2 of the License, or
21 * (at your option) any later version.
23 * This program is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
28 * You should have received a copy of the GNU General Public License
29 * along with this program; if not, write to the Free Software
30 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
32 * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
36 #include "DiskIOModule.h"
38 Vector
<DiskIOModule
*> *DiskIOModule::_Modules
= NULL
;
40 //DiskIOModule() : initialised (false) {}
42 DiskIOModule::DiskIOModule()
44 /** We cannot call ModuleAdd(*this)
45 * here as the virtual methods are not yet available.
46 * We leave that to PokeAllModules() later.
51 DiskIOModule::SetupAllModules()
53 DiskIOModule::PokeAllModules();
55 for (iterator i
= GetModules().begin(); i
!= GetModules().end(); ++i
)
56 /* Call the FS to set up capabilities and initialize the FS driver */
61 DiskIOModule::ModuleAdd(DiskIOModule
&instance
)
63 iterator i
= GetModules().begin();
65 while (i
!= GetModules().end()) {
66 assert(strcmp((*i
)->type(), instance
.type()) != 0);
70 GetModules().push_back (&instance
);
73 Vector
<DiskIOModule
*> const &
74 DiskIOModule::Modules()
79 Vector
<DiskIOModule
*> &
80 DiskIOModule::GetModules()
83 _Modules
= new Vector
<DiskIOModule
*>;
89 * Called when a graceful shutdown is to occur
93 DiskIOModule::FreeAllModules()
95 // TODO fix antipattern: walk the vector and then clear in one go
96 while (!GetModules().empty()) {
97 DiskIOModule
*fs
= GetModules().back();
98 GetModules().pop_back();
99 fs
->gracefulShutdown();
104 DiskIOModule::Find(char const *type
)
106 for (iterator i
= GetModules().begin(); i
!= GetModules().end(); ++i
)
107 if (strcasecmp(type
, (*i
)->type()) == 0)
114 DiskIOModule::FindDefault()
116 /** Best IO options are in order: */
117 DiskIOModule
* result
;
118 result
= Find("DiskThreads");
120 result
= Find("DiskDaemon");
122 result
= Find("AIO");
124 result
= Find("Blocking");