dmlite::PoolManager Class Reference

Interface for pool types. More...

#include <poolmanager.h>

Inheritance diagram for dmlite::PoolManager:

Collaboration diagram for dmlite::PoolManager:

Public Types
enum	PoolAvailability {   kAny, kNone, kForRead, kForWrite,   kForBoth }

Public Member Functions
virtual	~PoolManager ()
	Destructor. More...
virtual std::vector< Pool >	getPools (PoolAvailability availability=kAny) throw (DmException)
virtual Pool	getPool (const std::string &poolname) throw (DmException)
	Get a specific pool. More...
virtual void	newPool (const Pool &pool) throw (DmException)
	Create a new pool. More...
virtual void	updatePool (const Pool &pool) throw (DmException)
	Update pool metadata. More...
virtual void	deletePool (const Pool &pool) throw (DmException)
	Remove a pool. More...
virtual Location	whereToRead (const std::string &path) throw (DmException)
virtual Location	whereToRead (ino_t inode) throw (DmException)
virtual Location	whereToWrite (const std::string &path) throw (DmException)
virtual void	cancelWrite (const Location &loc) throw (DmException)
virtual void	getDirSpaces (const std::string &path, int64_t &totalfree, int64_t &used) throw (DmException)
Public Member Functions inherited from dmlite::BaseInterface
virtual	~BaseInterface ()
	Virtual destructor. More...
virtual std::string	getImplId (void) const =0 throw ()
	String ID of the implementation. More...

Additional Inherited Members
Protected Member Functions inherited from dmlite::BaseInterface
virtual void	setStackInstance (StackInstance *si) throw (DmException)
virtual void	setSecurityContext (const SecurityContext *ctx) throw (DmException)
	Set the security context. More...
Static Protected Member Functions inherited from dmlite::BaseInterface
static void	setStackInstance (BaseInterface *i, StackInstance *si) throw (DmException)
	These method allows plugins to call other plugins setStackInstance and setSecurityContext. More...
static void	setSecurityContext (BaseInterface *i, const SecurityContext *ctx) throw (DmException)

Detailed Description

Interface for pool types.

Member Enumeration Documentation

enum dmlite::PoolManager::PoolAvailability

Enumerator
kAny
kNone
kForRead
kForWrite
kForBoth

Constructor & Destructor Documentation

virtual dmlite::PoolManager::~PoolManager ( )

virtual

Destructor.

Member Function Documentation

virtual void dmlite::PoolManager::cancelWrite ( const Location &  loc ) throw ( DmException )

virtual

Cancel a write.

Parameters

path	The logical file name.
loc	As returned by whereToWrite

virtual void dmlite::PoolManager::deletePool ( const Pool &  pool ) throw ( DmException )

virtual

Remove a pool.

Reimplemented in dmlite::DummyPoolManager.

virtual void dmlite::PoolManager::getDirSpaces ( const std::string &  path, int64_t &  totalfree, int64_t &  used  ) throw ( DmException )

virtual

Get the estimation of the free/used space for writing into a directory

Parameters

path	The path of the directory to query
totalfree	The total number of free bytes (may not be contiguous)
used	The total number of used bytes

virtual Pool dmlite::PoolManager::getPool ( const std::string &  poolname ) throw ( DmException )

virtual

Get a specific pool.

Reimplemented in dmlite::DummyPoolManager.

virtual std::vector<Pool> dmlite::PoolManager::getPools ( PoolAvailability  availability = kAny ) throw ( DmException )

virtual

Get the list of pools.

Parameters

availability

Filter by availability.

Reimplemented in dmlite::DummyPoolManager.

virtual void dmlite::PoolManager::newPool ( const Pool &  pool ) throw ( DmException )

virtual

Create a new pool.

Reimplemented in dmlite::DummyPoolManager.

virtual void dmlite::PoolManager::updatePool ( const Pool &  pool ) throw ( DmException )

virtual

Update pool metadata.

Reimplemented in dmlite::DummyPoolManager.

virtual Location dmlite::PoolManager::whereToRead ( const std::string &  path ) throw ( DmException )

virtual

Get a location for a logical name.

Parameters

path	The path to get.

Reimplemented in dmlite::DummyPoolManager.

virtual Location dmlite::PoolManager::whereToRead ( ino_t  inode ) throw ( DmException )

virtual

Get a location for an inode

Parameters

inode

The file inode.

Reimplemented in dmlite::DummyPoolManager.

virtual Location dmlite::PoolManager::whereToWrite ( const std::string &  path ) throw ( DmException )

virtual

Start the PUT of a file.

Parameters

path	The path of the file to create.

Returns

The physical location where to write.

Reimplemented in dmlite::DummyPoolManager.

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

• include/dmlite/cpp/poolmanager.h