rpm  4.13.0
Typedefs | Enumerations | Functions
rpmdb.h File Reference

Access RPM indices using Berkeley DB interface(s). More...

#include <rpm/rpmtypes.h>
#include <rpm/rpmsw.h>
Include dependency graph for rpmdb.h:

Go to the source code of this file.

Typedefs

typedef enum rpmMireMode_e rpmMireMode
 Tag value pattern match mode. More...
 
typedef enum rpmdbOpX_e rpmdbOpX
 
typedef enum rpmdbCtrlOp_e rpmdbCtrlOp
 

Enumerations

enum  rpmMireMode_e { RPMMIRE_DEFAULT = 0, RPMMIRE_STRCMP = 1, RPMMIRE_REGEX = 2, RPMMIRE_GLOB = 3 }
 Tag value pattern match mode. More...
 
enum  rpmdbOpX_e { RPMDB_OP_DBGET = 1, RPMDB_OP_DBPUT = 2, RPMDB_OP_DBDEL = 3, RPMDB_OP_MAX = 4 }
 
enum  rpmdbCtrlOp_e {
  RPMDB_CTRL_LOCK_RO = 1, RPMDB_CTRL_UNLOCK_RO = 2, RPMDB_CTRL_LOCK_RW = 3, RPMDB_CTRL_UNLOCK_RW = 4,
  RPMDB_CTRL_INDEXSYNC = 5
}
 

Functions

rpmop rpmdbOp (rpmdb db, rpmdbOpX opx)
 Retrieve operation timestamp from rpm database. More...
 
int rpmdbOpenAll (rpmdb db)
 Open all database indices. More...
 
int rpmdbCountPackages (rpmdb db, const char *name)
 Return number of instances of package in rpm database. More...
 
unsigned int rpmdbGetIteratorOffset (rpmdbMatchIterator mi)
 Return header join key for current position of rpm database iterator. More...
 
int rpmdbGetIteratorCount (rpmdbMatchIterator mi)
 Return number of elements in rpm database iterator. More...
 
unsigned int rpmdbGetIteratorFileNum (rpmdbMatchIterator mi)
 
int rpmdbAppendIterator (rpmdbMatchIterator mi, const unsigned int *hdrNums, unsigned int nHdrNums)
 Append items to set of package instances to iterate. More...
 
int rpmdbSetIteratorRE (rpmdbMatchIterator mi, rpmTagVal tag, rpmMireMode mode, const char *pattern)
 Add pattern to iterator selector. More...
 
int rpmdbSetIteratorRewrite (rpmdbMatchIterator mi, int rewrite)
 Prepare iterator for lazy writes. More...
 
int rpmdbSetIteratorModified (rpmdbMatchIterator mi, int modified)
 Modify iterator to mark header for lazy write on release. More...
 
int rpmdbSetHdrChk (rpmdbMatchIterator mi, rpmts ts, rpmRC(*hdrchk)(rpmts ts, const void *uh, size_t uc, char **msg))
 Modify iterator to verify retrieved header blobs. More...
 
rpmdbMatchIterator rpmdbInitIterator (rpmdb db, rpmDbiTagVal rpmtag, const void *keyp, size_t keylen)
 Return database iterator. More...
 
Header rpmdbNextIterator (rpmdbMatchIterator mi)
 Return next package header from iteration. More...
 
int rpmdbCheckSignals (void)
 Check for and exit on termination signals. More...
 
int rpmdbCheckTerminate (int terminate)
 Check rpmdb signal handler for trapped signal and/or requested exit, clean up any open iterators and databases on termination condition. More...
 
rpmdbMatchIterator rpmdbFreeIterator (rpmdbMatchIterator mi)
 Destroy rpm database iterator. More...
 
rpmdbIndexIterator rpmdbIndexIteratorInit (rpmdb db, rpmDbiTag rpmtag)
 Get an iterator for an index. More...
 
int rpmdbIndexIteratorNext (rpmdbIndexIterator ii, const void **key, size_t *keylen)
 Get the next key - Warning! Keys are not zero terminated! Binary tags may even contain zero bytes. More...
 
int rpmdbIndexIteratorNextTd (rpmdbIndexIterator ii, rpmtd keytd)
 Get the next key into a tag data container. More...
 
unsigned int rpmdbIndexIteratorNumPkgs (rpmdbIndexIterator ii)
 Get number of entries for current key. More...
 
unsigned int rpmdbIndexIteratorPkgOffset (rpmdbIndexIterator ii, unsigned int nr)
 Get package offset of entry. More...
 
unsigned int rpmdbIndexIteratorTagNum (rpmdbIndexIterator ii, unsigned int nr)
 Get tag number of entry. More...
 
rpmdbIndexIterator rpmdbIndexIteratorFree (rpmdbIndexIterator ii)
 Free index iterator. More...
 
int rpmdbCtrl (rpmdb db, rpmdbCtrlOp ctrl)
 manipulate the rpm database More...
 

Detailed Description

Access RPM indices using Berkeley DB interface(s).

Definition in file rpmdb.h.

Typedef Documentation

§ rpmdbCtrlOp

typedef enum rpmdbCtrlOp_e rpmdbCtrlOp

§ rpmdbOpX

typedef enum rpmdbOpX_e rpmdbOpX

§ rpmMireMode

typedef enum rpmMireMode_e rpmMireMode

Tag value pattern match mode.

Enumeration Type Documentation

§ rpmdbCtrlOp_e

Enumerator
RPMDB_CTRL_LOCK_RO 
RPMDB_CTRL_UNLOCK_RO 
RPMDB_CTRL_LOCK_RW 
RPMDB_CTRL_UNLOCK_RW 
RPMDB_CTRL_INDEXSYNC 

Definition at line 33 of file rpmdb.h.

§ rpmdbOpX_e

enum rpmdbOpX_e
Enumerator
RPMDB_OP_DBGET 
RPMDB_OP_DBPUT 
RPMDB_OP_DBDEL 
RPMDB_OP_MAX 

Definition at line 26 of file rpmdb.h.

§ rpmMireMode_e

Tag value pattern match mode.

Enumerator
RPMMIRE_DEFAULT 

regex with ., .* and ^...$ added

RPMMIRE_STRCMP 

strings using strcmp(3)

RPMMIRE_REGEX 

regex(7) patterns through regcomp(3)

RPMMIRE_GLOB 

glob(7) patterns through fnmatch(3)

Definition at line 19 of file rpmdb.h.

Function Documentation

§ rpmdbAppendIterator()

int rpmdbAppendIterator ( rpmdbMatchIterator  mi,
const unsigned int *  hdrNums,
unsigned int  nHdrNums 
)

Append items to set of package instances to iterate.

Parameters
mirpm database iterator
hdrNumsarray of package instances
nHdrNumsnumber of elements in array
Returns
0 on success, 1 on failure (bad args)

§ rpmdbCheckSignals()

int rpmdbCheckSignals ( void  )

Check for and exit on termination signals.

§ rpmdbCheckTerminate()

int rpmdbCheckTerminate ( int  terminate)

Check rpmdb signal handler for trapped signal and/or requested exit, clean up any open iterators and databases on termination condition.

On non-zero exit any open references to rpmdb are invalid and cannot be accessed anymore, calling process should terminate immediately.

Parameters
terminate0 to only check for signals, 1 to terminate anyway
Returns
0 to continue, 1 if termination cleanup was done.

§ rpmdbCountPackages()

int rpmdbCountPackages ( rpmdb  db,
const char *  name 
)

Return number of instances of package in rpm database.

Parameters
dbrpm database
namerpm package name
Returns
number of instances

§ rpmdbCtrl()

int rpmdbCtrl ( rpmdb  db,
rpmdbCtrlOp  ctrl 
)

manipulate the rpm database

Parameters
dbrpm database
ctrloperation
Returns
0 on success; != 0 on error

§ rpmdbFreeIterator()

rpmdbMatchIterator rpmdbFreeIterator ( rpmdbMatchIterator  mi)

Destroy rpm database iterator.

Parameters
mirpm database iterator
Returns
NULL always

Referenced by exportDB().

§ rpmdbGetIteratorCount()

int rpmdbGetIteratorCount ( rpmdbMatchIterator  mi)

Return number of elements in rpm database iterator.

Parameters
mirpm database iterator
Returns
number of elements

§ rpmdbGetIteratorFileNum()

unsigned int rpmdbGetIteratorFileNum ( rpmdbMatchIterator  mi)

§ rpmdbGetIteratorOffset()

unsigned int rpmdbGetIteratorOffset ( rpmdbMatchIterator  mi)

Return header join key for current position of rpm database iterator.

Parameters
mirpm database iterator
Returns
current header join key

§ rpmdbIndexIteratorFree()

rpmdbIndexIterator rpmdbIndexIteratorFree ( rpmdbIndexIterator  ii)

Free index iterator.

Parameters
iiindex iterator return NULL

§ rpmdbIndexIteratorInit()

rpmdbIndexIterator rpmdbIndexIteratorInit ( rpmdb  db,
rpmDbiTag  rpmtag 
)

Get an iterator for an index.

Parameters
dbrpm database
rpmtagthe index to iterate over
Returns
the index iterator

§ rpmdbIndexIteratorNext()

int rpmdbIndexIteratorNext ( rpmdbIndexIterator  ii,
const void **  key,
size_t *  keylen 
)

Get the next key - Warning! Keys are not zero terminated! Binary tags may even contain zero bytes.

Parameters
iiindex iterator
keyaddress to save the pointer to the key
keylenaddress to save the length of the key to
Returns
0 on success; != 0 on error or end of index

§ rpmdbIndexIteratorNextTd()

int rpmdbIndexIteratorNextTd ( rpmdbIndexIterator  ii,
rpmtd  keytd 
)

Get the next key into a tag data container.

Caller is responsible for calling rpmtdFreeData() to freeing the data returned in keytd once done with it.

Parameters
iiindex iterator
keytdtag container to store the key in
Returns
0 on success; != 0 on error or end of index

§ rpmdbIndexIteratorNumPkgs()

unsigned int rpmdbIndexIteratorNumPkgs ( rpmdbIndexIterator  ii)

Get number of entries for current key.

Parameters
iiindex iterator
Returns
number of entries. 0 on error.

§ rpmdbIndexIteratorPkgOffset()

unsigned int rpmdbIndexIteratorPkgOffset ( rpmdbIndexIterator  ii,
unsigned int  nr 
)

Get package offset of entry.

Parameters
iiindex iterator
nrnumber of the entry
Returns
db offset of pkg

§ rpmdbIndexIteratorTagNum()

unsigned int rpmdbIndexIteratorTagNum ( rpmdbIndexIterator  ii,
unsigned int  nr 
)

Get tag number of entry.

Parameters
iiindex iterator
nrnumber of the entry
Returns
number of tag within the package

§ rpmdbInitIterator()

rpmdbMatchIterator rpmdbInitIterator ( rpmdb  db,
rpmDbiTagVal  rpmtag,
const void *  keyp,
size_t  keylen 
)

Return database iterator.

Parameters
dbrpm database
rpmtagdatabase index tag
keypkey data (NULL for sequential access)
keylenkey data length (0 will use strlen(keyp))
Returns
NULL on failure

§ rpmdbNextIterator()

Header rpmdbNextIterator ( rpmdbMatchIterator  mi)

Return next package header from iteration.

Parameters
mirpm database iterator
Returns
NULL on end of iteration.

Referenced by exportDB().

§ rpmdbOp()

rpmop rpmdbOp ( rpmdb  db,
rpmdbOpX  opx 
)

Retrieve operation timestamp from rpm database.

Parameters
dbrpm database
opxoperation timestamp index
Returns
pointer to operation timestamp.

§ rpmdbOpenAll()

int rpmdbOpenAll ( rpmdb  db)

Open all database indices.

Parameters
dbrpm database
Returns
0 on success

§ rpmdbSetHdrChk()

int rpmdbSetHdrChk ( rpmdbMatchIterator  mi,
rpmts  ts,
rpmRC(*)(rpmts ts, const void *uh, size_t uc, char **msg)  hdrchk 
)

Modify iterator to verify retrieved header blobs.

Parameters
mirpm database iterator
tstransaction set
(*hdrchk)headerCheck() vector
Returns
0 always

§ rpmdbSetIteratorModified()

int rpmdbSetIteratorModified ( rpmdbMatchIterator  mi,
int  modified 
)

Modify iterator to mark header for lazy write on release.

Parameters
mirpm database iterator
modifiednew value of modified
Returns
previous value

§ rpmdbSetIteratorRE()

int rpmdbSetIteratorRE ( rpmdbMatchIterator  mi,
rpmTagVal  tag,
rpmMireMode  mode,
const char *  pattern 
)

Add pattern to iterator selector.

Parameters
mirpm database iterator
tagrpm tag
modetype of pattern match
patternpattern to match
Returns
0 on success

§ rpmdbSetIteratorRewrite()

int rpmdbSetIteratorRewrite ( rpmdbMatchIterator  mi,
int  rewrite 
)

Prepare iterator for lazy writes.

Note
Must be called before rpmdbNextIterator() with CDB model database.
Parameters
mirpm database iterator
rewritenew value of rewrite
Returns
previous value