dmlite  0.6
Public Types | Public Member Functions | Protected Member Functions | Static Protected Member Functions | Friends
dmlite::IODriver Class Reference

IO Driver. More...

#include <io.h>

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)

Protected Member Functions

virtual void setSecurityContext (const SecurityContext *ctx) throw (DmException)

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

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.
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.

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

Friends And Related Function Documentation

friend class StackInstance [friend]

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