nfs-ganesha 1.4
Defines | Functions

posixdb_internal.h File Reference

#include "fsal_types.h"

Go to the source code of this file.

Defines

#define MAX_HANDLEIDSTR_SIZE   21
#define MAX_DEVICEIDSTR_SIZE   21
#define MAX_INODESTR_SIZE   21
#define MAX_HANDLETSSTR_SIZE   11
#define MAX_CTIMESTR_SIZE   11
#define MAX_NLINKSTR_SIZE   11
#define MAX_FTYPESTR_SIZE   11
#define ReturnCodeDB(_code_, _minor_)
#define CheckCommand(_res_)
#define CheckResult(_res_)
#define CheckConn(_p_conn_)
#define BeginTransaction(_conn_, _res_)
#define EndTransaction(_conn_, _res_)
#define RollbackTransaction(_conn_, _res_)

Functions

fsal_posixdb_status_t fsal_posixdb_buildOnePath (fsal_posixdb_conn *p_conn, posixfsal_handle_t *p_handle, fsal_path_t *p_path)
fsal_posixdb_status_t fsal_posixdb_recursiveDelete (fsal_posixdb_conn *p_conn, char *handleid_str, char *handlets_str, fsal_nodetype_t ftype)
fsal_posixdb_status_t fsal_posixdb_deleteParent (fsal_posixdb_conn *p_conn, char *handleid_str, char *handlets_str, char *handleidparent_str, char *handletsparent_str, char *filename, int nlink)
fsal_posixdb_status_t fsal_posixdb_internal_delete (fsal_posixdb_conn *p_conn, char *handleidparent_str, char *handletsparent_str, char *filename, fsal_posixdb_fileinfo_t *p_object_info)
fsal_posixdb_status_t fsal_posixdb_initPreparedQueries (fsal_posixdb_conn *p_conn)
fsal_posixdb_status_t posixdb_internal_fillFileinfoFromStrValues (fsal_posixdb_fileinfo_t *p_info, char *devid_str, char *inode_str, char *nlink_str, char *ctime_str, char *ftype_str)
 Fill a fsal_posixdb_fileinfo_t struct from char* values.
void fsal_posixdb_CachePath (posixfsal_handle_t *p_handle, fsal_path_t *p_path)
void fsal_posixdb_InvalidateCache ()
int fsal_posixdb_GetPathCache (posixfsal_handle_t *p_handle, fsal_path_t *p_path)
int fsal_posixdb_UpdateInodeCache (posixfsal_handle_t *p_handle)
int fsal_posixdb_GetInodeCache (posixfsal_handle_t *p_handle)

Define Documentation

#define BeginTransaction (   _conn_,
  _res_ 
)
Value:
do { \
                                              PGTransactionStatusType transStatus = PQtransactionStatus(_conn_);\
                                              if (transStatus != PQTRANS_ACTIVE && transStatus != PQTRANS_INTRANS) { \
                                                _res_ = PQexec(_conn_, "BEGIN"); \
                                                CheckCommand(_res_); \
                                                PQclear(_res_); \
                                              } \
                                            } while (0)

Definition at line 58 of file PGSQL/posixdb_internal.h.

#define CheckCommand (   _res_)
Value:
do { \
                              if (PQresultStatus( _res_ ) != PGRES_COMMAND_OK)                        \
                                {                                                                       \
                                    LogCrit(COMPONENT_FSAL, "PGSQL Command Failed in %s ( %s:%i ) with %s", __FUNCTION__, __FILE__, __LINE__, (PQresultErrorMessage(_res_))); \
                                    PQclear(_res_);                                                     \
                                    RollbackTransaction( p_conn, _res_ );  \
                                    ReturnCodeDB(ERR_FSAL_POSIXDB_CMDFAILED, (PQresultStatus( _res_ )));        \
                                } \
                              } while (0)

Definition at line 29 of file PGSQL/posixdb_internal.h.

#define CheckConn (   _p_conn_)
Value:
do { \
                                if (PQstatus( _p_conn_ ) != CONNECTION_OK) { \
                                  LogCrit(COMPONENT_FSAL, "Reconnecting to database..."); \
                                  PQreset( _p_conn_ );\
                                  if (PQstatus( _p_conn_ ) != CONNECTION_OK) ReturnCodeDB(ERR_FSAL_POSIXDB_BADCONN, PQstatus( _p_conn_ ));/* Connexion still bad */ \
                                  fsal_posixdb_initPreparedQueries( _p_conn_ ); \
                                } \
                              } while (0)

Definition at line 49 of file PGSQL/posixdb_internal.h.

#define CheckResult (   _res_)
Value:
do { \
                              if (PQresultStatus( _res_ ) != PGRES_TUPLES_OK)                        \
                                {                                                                       \
                                    LogCrit(COMPONENT_FSAL, "PGSQL Select Failed in %s ( %s:%i ) with %s", __FUNCTION__, __FILE__, __LINE__, (PQresultErrorMessage(_res_))); \
                                    PQclear(_res_);                     \
                                    RollbackTransaction( p_conn, _res_ );  \
                                    ReturnCodeDB(ERR_FSAL_POSIXDB_CMDFAILED, (PQresultStatus( _res_ )));        \
                                } \
                              } while (0)

Definition at line 39 of file PGSQL/posixdb_internal.h.

#define EndTransaction (   _conn_,
  _res_ 
)
Value:
do { \
                                              _res_ = PQexec(_conn_, "END"); \
                                              CheckCommand(_res_); \
                                              PQclear(_res_); \
                                            } while (0)

Definition at line 67 of file PGSQL/posixdb_internal.h.

#define MAX_CTIMESTR_SIZE   11

Definition at line 14 of file PGSQL/posixdb_internal.h.

#define MAX_DEVICEIDSTR_SIZE   21

Definition at line 11 of file PGSQL/posixdb_internal.h.

#define MAX_FTYPESTR_SIZE   11

Definition at line 16 of file PGSQL/posixdb_internal.h.

#define MAX_HANDLEIDSTR_SIZE   21

Definition at line 10 of file PGSQL/posixdb_internal.h.

#define MAX_HANDLETSSTR_SIZE   11

Definition at line 13 of file PGSQL/posixdb_internal.h.

#define MAX_INODESTR_SIZE   21

Definition at line 12 of file PGSQL/posixdb_internal.h.

#define MAX_NLINKSTR_SIZE   11

Definition at line 15 of file PGSQL/posixdb_internal.h.

#define ReturnCodeDB (   _code_,
  _minor_ 
)
Value:
do {                 \
               fsal_posixdb_status_t _struct_status_;        \
               if(isFullDebug(COMPONENT_FSAL))               \
                 {                                           \
                   LogCrit(COMPONENT_FSAL, "Exiting %s ( %s:%i ) with status code = %i/%i\n", __FUNCTION__, __FILE__, __LINE__ - 2, _code_, _minor_ ); \
                 }                                           \
               (_struct_status_).major = (_code_) ;          \
               (_struct_status_).minor = (_minor_) ;         \
               return (_struct_status_);                     \
              } while(0)

Definition at line 18 of file PGSQL/posixdb_internal.h.

#define RollbackTransaction (   _conn_,
  _res_ 
)
Value:
do { \
                                              _res_ = PQexec(_conn_, "ROLLBACK"); \
                                              PQclear(_res_); \
                                            } while (0)

Definition at line 73 of file PGSQL/posixdb_internal.h.

Function Documentation

fsal_posixdb_status_t fsal_posixdb_buildOnePath ( fsal_posixdb_conn *  p_conn,
posixfsal_handle_t *  p_handle,
fsal_path_t *  p_path 
)

fsal_posixdb_buildOnePath: Build the path of an object with only one Path in the parent table (usually a directory).

Parameters:
p_conn(input) Connection to the database
p_handle(input) Handle of the object we want the path
path(output) Path of the object
Returns:
- FSAL_POSIXDB_NOERR, if no error. Another error code else.

Definition at line 301 of file MYSQL/posixdb_internal.c.

void fsal_posixdb_CachePath ( posixfsal_handle_t *  p_handle,
fsal_path_t *  p_path 
)

Definition at line 53 of file MYSQL/posixdb_internal.c.

fsal_posixdb_status_t fsal_posixdb_deleteParent ( fsal_posixdb_conn *  p_conn,
char *  handleid_str,
char *  handlets_str,
char *  handleidparent_str,
char *  handletsparent_str,
char *  filename,
int  nlink 
)

fsal_posixdb_deleteParent: Delete a parent entry. If the handle has no more links, then it is also deleted. Notice : do not use with a directory

Parameters:
p_conn(input) Connection to the database
handleid_str(input) ID part of the handle of the object
handlets_str(input) Timestamp part of the handle of the parent directory
handleidparent_str(input) ID part of the handle of the object
handletsparent_str(input) Timestamp part of the handle of the parent directory
filename(input) Filename of the entry to delete
nlink(input) Number of hardlink on the object
Returns:
- FSAL_POSIXDB_NOERR, if no error. Another error code else.

Definition at line 397 of file PGSQL/posixdb_internal.c.

int fsal_posixdb_GetInodeCache ( posixfsal_handle_t *  p_handle)

Definition at line 140 of file MYSQL/posixdb_internal.c.

int fsal_posixdb_GetPathCache ( posixfsal_handle_t *  p_handle,
fsal_path_t *  p_path 
)

Definition at line 191 of file MYSQL/posixdb_internal.c.

fsal_posixdb_status_t fsal_posixdb_initPreparedQueries ( fsal_posixdb_conn *  p_conn)

fsal_posixdb_initPreparedQueries: setup the prepared queries for a new connection

Parameters:
p_conn(input) Connection to the database
Returns:
- ERR_FSAL_POSIXDB_NOERR, if no error. Another error code else.

Definition at line 133 of file MYSQL/posixdb_connect.c.

fsal_posixdb_status_t fsal_posixdb_internal_delete ( fsal_posixdb_conn *  p_conn,
char *  handleidparent_str,
char *  handletsparent_str,
char *  filename,
fsal_posixdb_fileinfo_t *  p_object_info 
)

fsal_posixdb_internal_delete: Delete a Parent entry knowing its parent handle and its name

See also:
fsal_posixdb_delete

Definition at line 458 of file PGSQL/posixdb_internal.c.

void fsal_posixdb_InvalidateCache ( )

Definition at line 170 of file MYSQL/posixdb_internal.c.

fsal_posixdb_status_t fsal_posixdb_recursiveDelete ( fsal_posixdb_conn *  p_conn,
char *  handleid_str,
char *  handlets_str,
fsal_nodetype_t  ftype 
)

fsal_posixdb_recursiveDelete: Delete a handle and all its entries in the Parent table. If the object is a directory, then all its entries will be recursively deleted.

Parameters:
p_conn(input) Connection to the database
handleid_str(input) ID part of the handle
handlets_str(input) Timestamp part of the handle
ftype(input) Type of the object (regular file, directory, ...)
Returns:
- FSAL_POSIXDB_NOERR, if no error. Another error code else.

Definition at line 333 of file PGSQL/posixdb_internal.c.

int fsal_posixdb_UpdateInodeCache ( posixfsal_handle_t *  p_handle)

Definition at line 95 of file MYSQL/posixdb_internal.c.

fsal_posixdb_status_t posixdb_internal_fillFileinfoFromStrValues ( fsal_posixdb_fileinfo_t *  p_info,
char *  devid_str,
char *  inode_str,
char *  nlink_str,
char *  ctime_str,
char *  ftype_str 
)

Fill a fsal_posixdb_fileinfo_t struct from char* values.

Parameters:
p_info
devid_str
inode_str
nlink_str
ctime_str
ftype_str
Returns:
ERR_FSAL_POSIXDB_NOERR, if no error ERR_FSAL_POSIXDB_FAULT if p_info is NULL

Definition at line 686 of file MYSQL/posixdb_internal.c.

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