dmlite  0.6
Public Types | Public Member Functions | Static Public Member Functions | Protected Member Functions | Static Protected Member Functions | Friends | List of all members
dmlite::IODriver Class Referenceabstract

IO Driver. More...

#include <io.h>

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Public Types

enum  { kInsecure = 010 }
 

Public Member Functions

virtual ~IODriver ()
 Virtual destructor. More...
 
virtual std::string getImplId (void) const =0 throw ()
 String ID of the implementation. More...
 
virtual IOHandlercreateIOHandler (const std::string &pfn, int flags, const Extensible &extras, mode_t mode=0660) throw (DmException)
 
virtual void doneWriting (const Location &loc) throw (DmException)
 
- Public Member Functions inherited from dmlite::BaseInterface
virtual ~BaseInterface ()
 Virtual destructor. More...
 
- Public Member Functions inherited from dmlite::BaseFactory
virtual ~BaseFactory ()
 Virtual destructor. More...
 
virtual void configure (const std::string &key, const std::string &value) throw (DmException)
 

Static Public Member Functions

static IOHandlercreateIOHandler (IODriver *factory, const std::string &pfn, int flags, const Extensible &extras, mode_t mode=0660) throw (DmException)
 

Protected Member Functions

virtual void setSecurityContext (const SecurityContext *ctx) throw (DmException)
 Set the security context. More...
 
- Protected Member Functions inherited from dmlite::BaseInterface
virtual void setStackInstance (StackInstance *si) throw (DmException)
 

Static Protected Member Functions

static void setSecurityContext (IODriver *i, const SecurityContext *ctx) throw (DmException)
 
- 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)
 

Friends

class StackInstance
 

Detailed Description

IO Driver.

Member Enumeration Documentation

anonymous enum

Use this flag in addition to the standard ones to skip any security check (i.e. token validation) Example: createIOHandler("/file.txt", O_RDONLY | IODriver::kInsecure, extras);

Enumerator
kInsecure 

Constructor & Destructor Documentation

virtual dmlite::IODriver::~IODriver ( )
virtual

Virtual destructor.

Member Function Documentation

virtual IOHandler* dmlite::IODriver::createIOHandler ( const std::string &  pfn,
int  flags,
const Extensible extras,
mode_t  mode = 0660 
)
throw (DmException
)
virtual

Instantiate a implementation of IOHandler

Parameters
pfnThe file name.
flagsThe open mode. See man 2 open.
extrasAs was given by the PoolHandler.
modeWhen called with O_CREAT, it will be used to create the file.
static IOHandler* dmlite::IODriver::createIOHandler ( IODriver factory,
const std::string &  pfn,
int  flags,
const Extensible extras,
mode_t  mode = 0660 
)
throw (DmException
)
static
virtual void dmlite::IODriver::doneWriting ( const Location loc)
throw (DmException
)
virtual

Must be called when the front-end is done writing.

Parameters
pfnThe file name.
locThe Location object as returned by whereToWrite
virtual std::string dmlite::IODriver::getImplId ( void  ) const
throw (
)
pure virtual

String ID of the implementation.

Implements dmlite::BaseInterface.

virtual void dmlite::IODriver::setSecurityContext ( const SecurityContext ctx)
throw (DmException
)
protectedvirtual

Set the security context.

Reimplemented from dmlite::BaseInterface.

static void dmlite::IODriver::setSecurityContext ( IODriver i,
const SecurityContext ctx 
)
throw (DmException
)
staticprotected

Friends And Related Function Documentation

friend class StackInstance
friend

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