dmlite::IODriver Class Reference

IO Driver. More...

#include <io.h>

Inherits dmlite::BaseInterface, and dmlite::BaseFactory.

Collaboration diagram for dmlite::IODriver:
Collaboration graph
[legend]

List of all members.

Public Types

enum  { kInsecure = 010 }

Public Member Functions

virtual ~IODriver ()
 Virtual destructor.
virtual std::string getImplId (void) const =0 throw ()
 String ID of the implementation.
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)

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.

Static Protected Member Functions

static void setSecurityContext (IODriver *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

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

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

Parameters:
pfn The file name.
loc The 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.

static void dmlite::IODriver::setSecurityContext ( IODriver i,
const SecurityContext ctx 
) throw (DmException) [static, protected]

Reimplemented from dmlite::BaseInterface.

virtual void dmlite::IODriver::setSecurityContext ( const SecurityContext ctx  )  throw (DmException) [protected, virtual]

Set the security context.

Reimplemented from dmlite::BaseInterface.


Friends And Related Function Documentation

friend class StackInstance [friend]

Reimplemented from dmlite::BaseInterface.


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

Generated on 4 May 2016 for dmlite by  doxygen 1.6.1