DiskIOModule Class Reference

#include <DiskIOModule.h>

Inheritance diagram for DiskIOModule:

Collaboration diagram for DiskIOModule:

Public Types
typedef std::vector< DiskIOModule * >::iterator	iterator
typedef std::vector< DiskIOModule * >::const_iterator	const_iterator

Public Member Functions
	DiskIOModule ()
virtual	~DiskIOModule ()
virtual void	init ()=0
virtual void	gracefulShutdown ()=0
virtual DiskIOStrategy *	createStrategy ()=0
virtual char const *	type () const =0
	DiskIOModule (DiskIOModule const &)
DiskIOModule &	operator= (DiskIOModule const &)

Static Public Member Functions
static void	SetupAllModules ()
static void	ModuleAdd (DiskIOModule &)
static void	FreeAllModules ()
static DiskIOModule *	Find (char const *type)
static DiskIOModule *	FindDefault ()
static std::vector< DiskIOModule * > const &	Modules ()

Static Protected Member Functions
static void	RegisterAllModulesWithCacheManager (void)

Static Private Member Functions
static std::vector< DiskIOModule * > &	GetModules ()

Static Private Attributes
static std::vector< DiskIOModule * > *	_Modules = nullptr

Detailed Description

Definition at line 20 of file DiskIOModule.h.

Member Typedef Documentation

const_iterator

typedef std::vector<DiskIOModule*>::const_iterator DiskIOModule::const_iterator

Definition at line 37 of file DiskIOModule.h.

iterator

typedef std::vector<DiskIOModule*>::iterator DiskIOModule::iterator

Definition at line 36 of file DiskIOModule.h.

Constructor & Destructor Documentation

DiskIOModule() [1/2]

DiskIOModule::DiskIOModule

(

)

We cannot call ModuleAdd(*this) here as the virtual methods are not yet available. We leave that to SetupAllModules() later.

Definition at line 36 of file DiskIOModule.cc.

~DiskIOModule()

virtual DiskIOModule::~DiskIOModule ( )

inlinevirtual

Definition at line 39 of file DiskIOModule.h.

DiskIOModule() [2/2]

DiskIOModule::DiskIOModule

(

DiskIOModule const &

)

Definition at line 25 of file stub_libdiskio.cc.

References STUB.

Member Function Documentation

createStrategy()

virtual DiskIOStrategy * DiskIOModule::createStrategy ( )

pure virtual

Implemented in BlockingDiskIOModule, DiskDaemonDiskIOModule, DiskThreadsDiskIOModule, IpcIoDiskIOModule, and MmappedDiskIOModule.

Referenced by Fs::Ufs::UFSSwapDir::changeIO().

Find()

DiskIOModule * DiskIOModule::Find ( char const *  type )

static

Definition at line 114 of file DiskIOModule.cc.

References GetModules(), and type().

Referenced by Fs::Ufs::UFSSwapDir::UFSSwapDir(), FindDefault(), Rock::SwapDir::init(), Rock::SwapDir::needsDiskStrand(), Fs::Ufs::UFSSwapDir::optionIOParse(), and TestUfs::testUfsSearch().

FindDefault()

DiskIOModule * DiskIOModule::FindDefault ( )

static

Find any usable disk module. This will look for the 'best' available module for this system.

Best IO options are in order:

Definition at line 124 of file DiskIOModule.cc.

References Find().

Referenced by TestDiskIO::testFindDefault().

FreeAllModules()

void DiskIOModule::FreeAllModules ( )

static

Called when a graceful shutdown is to occur of each fs module.

Definition at line 104 of file DiskIOModule.cc.

References GetModules(), and gracefulShutdown().

Referenced by SquidShutdown().

GetModules()

std::vector< DiskIOModule * > & DiskIOModule::GetModules ( )

staticprivate

Definition at line 91 of file DiskIOModule.cc.

References _Modules.

Referenced by Find(), FreeAllModules(), ModuleAdd(), Modules(), and SetupAllModules().

gracefulShutdown()

virtual void DiskIOModule::gracefulShutdown ( )

pure virtual

Implemented in BlockingDiskIOModule, DiskDaemonDiskIOModule, DiskThreadsDiskIOModule, IpcIoDiskIOModule, and MmappedDiskIOModule.

Referenced by FreeAllModules().

init()

virtual void DiskIOModule::init ( )

pure virtual

Implemented in BlockingDiskIOModule, DiskDaemonDiskIOModule, DiskThreadsDiskIOModule, IpcIoDiskIOModule, and MmappedDiskIOModule.

ModuleAdd()

void DiskIOModule::ModuleAdd ( DiskIOModule &  instance )

static

Definition at line 72 of file DiskIOModule.cc.

References assert, GetModules(), and instance.

Referenced by BlockingDiskIOModule::BlockingDiskIOModule(), DiskDaemonDiskIOModule::DiskDaemonDiskIOModule(), DiskThreadsDiskIOModule::DiskThreadsDiskIOModule(), IpcIoDiskIOModule::IpcIoDiskIOModule(), and MmappedDiskIOModule::MmappedDiskIOModule().

Modules()

std::vector< DiskIOModule * > const & DiskIOModule::Modules ( )

static

Definition at line 85 of file DiskIOModule.cc.

References GetModules().

operator=()

DiskIOModule & DiskIOModule::operator=

(

DiskIOModule const &

)

Definition at line 26 of file stub_libdiskio.cc.

References STUB.

RegisterAllModulesWithCacheManager()

static void DiskIOModule::RegisterAllModulesWithCacheManager ( void  )

staticprotected

SetupAllModules()

void DiskIOModule::SetupAllModules ( )

static

Poke all compiled modules for self-setup

Definition at line 45 of file DiskIOModule.cc.

References BlockingDiskIOModule::GetInstance(), DiskDaemonDiskIOModule::GetInstance(), DiskThreadsDiskIOModule::GetInstance(), IpcIoDiskIOModule::GetInstance(), MmappedDiskIOModule::GetInstance(), and GetModules().

Referenced by SquidMain().

type()

virtual char const * DiskIOModule::type ( ) const

pure virtual

Implemented in BlockingDiskIOModule, DiskDaemonDiskIOModule, DiskThreadsDiskIOModule, IpcIoDiskIOModule, and MmappedDiskIOModule.

Referenced by Fs::Ufs::UFSSwapDir::changeIO(), and Find().

Member Data Documentation

_Modules

std::vector< DiskIOModule * > * DiskIOModule::_Modules = nullptr

staticprivate

Definition at line 57 of file DiskIOModule.h.

Referenced by GetModules().

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The documentation for this class was generated from the following files:

• src/DiskIO/DiskIOModule.h
• src/DiskIO/DiskIOModule.cc
• src/tests/stub_libdiskio.cc