dmlite
0.6
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IO Driver. More...
#include <io.h>
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 IOHandler * | createIOHandler (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 |
IO Driver.
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);
virtual dmlite::IODriver::~IODriver | ( | ) | [virtual] |
Virtual destructor.
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
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.
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.
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] |
friend class StackInstance [friend] |