Transaction Element API.

Files
file	rpmte.h
	Structures used for an "rpmte" transaction element.
Typedefs
typedef struct tsortInfo_s *	tsortInfo
	Transaction element ordering chain linkage.
typedef struct rpmtsi_s *	rpmtsi
	Transaction element iterator.
typedef enum rpmElementType_e	rpmElementType
	Transaction element type.
Enumerations
enum	rpmElementType_e { TR_ADDED = (1 << 0), TR_REMOVED = (1 << 1) }
	Transaction element type. More...
Functions
rpmte	rpmteFree (rpmte te)
	Destroy a transaction element.
rpmte	rpmteNew (const rpmts ts, Header h, rpmElementType type, fnpyKey key, rpmRelocation *relocs, int dboffset)
	Create a transaction element.
Header	rpmteHeader (rpmte te)
	Retrieve header from transaction element.
Header	rpmteSetHeader (rpmte te, Header h)
	Save header into transaction element.
rpmElementType	rpmteType (rpmte te)
	Retrieve type of transaction element.
const char *	rpmteN (rpmte te)
	Retrieve name string of transaction element.
const char *	rpmteE (rpmte te)
	Retrieve epoch string of transaction element.
const char *	rpmteV (rpmte te)
	Retrieve version string of transaction element.
const char *	rpmteR (rpmte te)
	Retrieve release string of transaction element.
const char *	rpmteA (rpmte te)
	Retrieve arch string of transaction element.
const char *	rpmteO (rpmte te)
	Retrieve os string of transaction element.
int	rpmteIsSource (rpmte te)
	Retrieve isSource attribute of transaction element.
rpm_color_t	rpmteColor (rpmte te)
	Retrieve color bits of transaction element.
rpm_color_t	rpmteSetColor (rpmte te, rpm_color_t color)
	Set color bits of transaction element.
unsigned int	rpmteDBInstance (rpmte te)
	Retrieve last instance installed to the database.
void	rpmteSetDBInstance (rpmte te, unsigned int instance)
	Set last instance installed to the database.
rpm_loff_t	rpmtePkgFileSize (rpmte te)
	Retrieve size in bytes of package file.
int	rpmteDepth (rpmte te)
	Retrieve dependency tree depth of transaction element.
int	rpmteSetDepth (rpmte te, int ndepth)
	Set dependency tree depth of transaction element.
int	rpmteBreadth (rpmte te)
	Retrieve dependency tree breadth of transaction element.
int	rpmteSetBreadth (rpmte te, int nbreadth)
	Set dependency tree breadth of transaction element.
int	rpmteNpreds (rpmte te)
	Retrieve tsort no.
int	rpmteSetNpreds (rpmte te, int npreds)
	Set tsort no.
int	rpmteTree (rpmte te)
	Retrieve tree index of transaction element.
int	rpmteSetTree (rpmte te, int ntree)
	Set tree index of transaction element.
rpmte	rpmteParent (rpmte te)
	Retrieve parent transaction element.
rpmte	rpmteSetParent (rpmte te, rpmte pte)
	Set parent transaction element.
int	rpmteDegree (rpmte te)
	Retrieve number of children of transaction element.
int	rpmteSetDegree (rpmte te, int ndegree)
	Set number of children of transaction element.
tsortInfo	rpmteTSI (rpmte te)
	Retrieve tsort info for transaction element.
void	rpmteFreeTSI (rpmte te)
	Destroy tsort info of transaction element.
void	rpmteNewTSI (rpmte te)
	Initialize tsort info of transaction element.
void	rpmteCleanDS (rpmte te)
	Destroy dependency set info of transaction element.
void	rpmteSetDependsOn (rpmte te, rpmte depends)
	Set dependent element of TR_REMOVED transaction element.
rpmte	rpmteDependsOn (rpmte te)
	Retrieve dependent element of TR_REMOVED transaction element.
int	rpmteDBOffset (rpmte te)
	Retrieve rpmdb instance of TR_REMOVED transaction element.
const char *	rpmteEVR (rpmte te)
	Retrieve [epoch:]version-release string from transaction element.
const char *	rpmteNEVR (rpmte te)
	Retrieve name-[epoch:]version-release string from transaction element.
const char *	rpmteNEVRA (rpmte te)
	Retrieve name-[epoch:]version-release.arch string from transaction element.
FD_t	rpmteFd (rpmte te)
	Retrieve file handle from transaction element.
fnpyKey	rpmteKey (rpmte te)
	Retrieve key from transaction element.
int	rpmteFailed (rpmte te)
	Return failed status of transaction element.
rpmds	rpmteDS (rpmte te, rpmTag tag)
	Retrieve dependency tag set from transaction element.
rpmfi	rpmteFI (rpmte te)
	Retrieve file info tag set from transaction element.
void	rpmteColorDS (rpmte te, rpmTag tag)
	Calculate transaction element dependency colors/refs from file info.
int	rpmtsiOc (rpmtsi tsi)
	Return transaction element index.
rpmtsi	rpmtsiFree (rpmtsi tsi)
	Destroy transaction element iterator.
rpmtsi	rpmtsiInit (rpmts ts)
	Create transaction element iterator.
rpmte	rpmtsiNext (rpmtsi tsi, rpmElementType type)
	Return next transaction element of type.

---

Typedef Documentation

typedef enum rpmElementType_e rpmElementType

Transaction element type.

typedef struct rpmtsi_s* rpmtsi

Transaction element iterator.

Definition at line 27 of file rpmte.h.

typedef struct tsortInfo_s* tsortInfo

Transaction element ordering chain linkage.

Definition at line 22 of file rpmte.h.

---

Enumeration Type Documentation

enum rpmElementType_e

Transaction element type.

Enumerator:

TR_ADDED	Package will be installed.
TR_REMOVED	Package will be removed.

Definition at line 32 of file rpmte.h.

---

Function Documentation

const char* rpmteA

(

rpmte

te

)

Retrieve arch string of transaction element.

Parameters:

te

transaction element

Returns:

arch string

int rpmteBreadth

(

rpmte

te

)

Retrieve dependency tree breadth of transaction element.

Parameters:

te

transaction element

Returns:

breadth

void rpmteCleanDS

(

rpmte

te

)

Destroy dependency set info of transaction element.

Parameters:

te

transaction element

rpm_color_t rpmteColor

(

rpmte

te

)

Retrieve color bits of transaction element.

Parameters:

te

transaction element

Returns:

color bits

void rpmteColorDS	(	rpmte	te,
		rpmTag	tag
	)

Calculate transaction element dependency colors/refs from file info.

Parameters:

	te	transaction element
	tag	dependency tag (RPMTAG_PROVIDENAME, RPMTAG_REQUIRENAME)

unsigned int rpmteDBInstance

(

rpmte

te

)

Retrieve last instance installed to the database.

Parameters:

te

transaction element

Returns:

last install instance.

int rpmteDBOffset

(

rpmte

te

)

Retrieve rpmdb instance of TR_REMOVED transaction element.

Parameters:

te

transaction element

Returns:

rpmdb instance

int rpmteDegree

(

rpmte

te

)

Retrieve number of children of transaction element.

Parameters:

te

transaction element

Returns:

tree index

rpmte rpmteDependsOn

(

rpmte

te

)

Retrieve dependent element of TR_REMOVED transaction element.

Parameters:

te

transaction element

Returns:

dependent transaction element

int rpmteDepth

(

rpmte

te

)

Retrieve dependency tree depth of transaction element.

Parameters:

te

transaction element

Returns:

depth

rpmds rpmteDS	(	rpmte	te,
		rpmTag	tag
	)

Retrieve dependency tag set from transaction element.

Parameters:

	te	transaction element
	tag	dependency tag

Returns:

dependency tag set

const char* rpmteE

(

rpmte

te

)

Retrieve epoch string of transaction element.

Parameters:

te

transaction element

Returns:

epoch string

const char* rpmteEVR

(

rpmte

te

)

Retrieve [epoch:]version-release string from transaction element.

Parameters:

te

transaction element

Returns:

[epoch:]version-release string

int rpmteFailed

(

rpmte

te

)

Return failed status of transaction element.

Parameters:

te

transaction element

Returns:

1 if transaction element (or its parents) failed

FD_t rpmteFd

(

rpmte

te

)

Retrieve file handle from transaction element.

Parameters:

te

transaction element

Returns:

file handle

rpmfi rpmteFI

(

rpmte

te

)

Retrieve file info tag set from transaction element.

Parameters:

te

transaction element

Returns:

file info tag set

rpmte rpmteFree

(

rpmte

te

)

Destroy a transaction element.

Parameters:

te

transaction element

Returns:

NULL always

void rpmteFreeTSI

(

rpmte

te

)

Destroy tsort info of transaction element.

Parameters:

te

transaction element

Header rpmteHeader

(

rpmte

te

)

Retrieve header from transaction element.

Parameters:

te

transaction element

Returns:

header

int rpmteIsSource

(

rpmte

te

)

Retrieve isSource attribute of transaction element.

Parameters:

te

transaction element

Returns:

isSource attribute

fnpyKey rpmteKey

(

rpmte

te

)

Retrieve key from transaction element.

Parameters:

te

transaction element

Returns:

key

const char* rpmteN

(

rpmte

te

)

Retrieve name string of transaction element.

Parameters:

te

transaction element

Returns:

name string

const char* rpmteNEVR

(

rpmte

te

)

Retrieve name-[epoch:]version-release string from transaction element.

Parameters:

te

transaction element

Returns:

name-[epoch:]version-release string

const char* rpmteNEVRA

(

rpmte

te

)

Retrieve name-[epoch:]version-release.arch string from transaction element.

Parameters:

te

transaction element

Returns:

name-[epoch:]version-release.arch string

rpmte rpmteNew	(	const rpmts	ts,
		Header	h,
		rpmElementType	type,
		fnpyKey	key,
		rpmRelocation *	relocs,
		int	dboffset
	)

Create a transaction element.

Parameters:

	ts	transaction set
	h	header
	type	TR_ADDED/TR_REMOVED
	key	(TR_ADDED) package retrieval key (e.g. file name)
	relocs	(TR_ADDED) package file relocations
	dboffset	unused

Returns:

new transaction element

void rpmteNewTSI

(

rpmte

te

)

Initialize tsort info of transaction element.

Parameters:

te

transaction element

int rpmteNpreds

(

rpmte

te

)

Retrieve tsort no.

of predecessors of transaction element.

Parameters:

te

transaction element

Returns:

no. of predecessors

const char* rpmteO

(

rpmte

te

)

Retrieve os string of transaction element.

Parameters:

te

transaction element

Returns:

os string

rpmte rpmteParent

(

rpmte

te

)

Retrieve parent transaction element.

Parameters:

te

transaction element

Returns:

parent transaction element

rpm_loff_t rpmtePkgFileSize

(

rpmte

te

)

Retrieve size in bytes of package file.

Todo:

Signature header is estimated at 256b.

Parameters:

te

transaction element

Returns:

size in bytes of package file.

const char* rpmteR

(

rpmte

te

)

Retrieve release string of transaction element.

Parameters:

te

transaction element

Returns:

release string

int rpmteSetBreadth	(	rpmte	te,
		int	nbreadth
	)

Set dependency tree breadth of transaction element.

Parameters:

	te	transaction element
	nbreadth	new breadth

Returns:

previous breadth

rpm_color_t rpmteSetColor	(	rpmte	te,
		rpm_color_t	color
	)

Set color bits of transaction element.

Parameters:

	te	transaction element
	color	new color bits

Returns:

previous color bits

void rpmteSetDBInstance	(	rpmte	te,
		unsigned int	instance
	)

Set last instance installed to the database.

Parameters:

	te	transaction element
	instance	Database instance of last install element.

Returns:

last install instance.

int rpmteSetDegree	(	rpmte	te,
		int	ndegree
	)

Set number of children of transaction element.

Parameters:

	te	transaction element
	ndegree	new number of children

Returns:

previous number of children

void rpmteSetDependsOn	(	rpmte	te,
		rpmte	depends
	)

Set dependent element of TR_REMOVED transaction element.

Parameters:

	te	transaction element
	depends	dependent transaction element

int rpmteSetDepth	(	rpmte	te,
		int	ndepth
	)

Set dependency tree depth of transaction element.

Parameters:

	te	transaction element
	ndepth	new depth

Returns:

previous depth

Header rpmteSetHeader	(	rpmte	te,
		Header	h
	)

Save header into transaction element.

Parameters:

	te	transaction element
	h	header

Returns:

NULL always

int rpmteSetNpreds	(	rpmte	te,
		int	npreds
	)

Set tsort no.

of predecessors of transaction element.

Parameters:

	te	transaction element
	npreds	new no. of predecessors

Returns:

previous no. of predecessors

rpmte rpmteSetParent	(	rpmte	te,
		rpmte	pte
	)

Set parent transaction element.

Parameters:

	te	transaction element
	pte	new parent transaction element

Returns:

previous parent transaction element

int rpmteSetTree	(	rpmte	te,
		int	ntree
	)

Set tree index of transaction element.

Parameters:

	te	transaction element
	ntree	new tree index

Returns:

previous tree index

int rpmteTree

(

rpmte

te

)

Retrieve tree index of transaction element.

Parameters:

te

transaction element

Returns:

tree index

tsortInfo rpmteTSI

(

rpmte

te

)

Retrieve tsort info for transaction element.

Parameters:

te

transaction element

Returns:

tsort info

rpmElementType rpmteType

(

rpmte

te

)

Retrieve type of transaction element.

Parameters:

te

transaction element

Returns:

type

const char* rpmteV

(

rpmte

te

)

Retrieve version string of transaction element.

Parameters:

te

transaction element

Returns:

version string

rpmtsi rpmtsiFree

(

rpmtsi

tsi

)

Destroy transaction element iterator.

Parameters:

tsi

transaction element iterator

Returns:

NULL always

rpmtsi rpmtsiInit

(

rpmts

ts

)

Create transaction element iterator.

Parameters:

ts

transaction set

Returns:

transaction element iterator

rpmte rpmtsiNext	(	rpmtsi	tsi,
		rpmElementType	type
	)

Return next transaction element of type.

Parameters:

	tsi	transaction element iterator
	type	transaction element type selector (0 for any)

Returns:

next transaction element of type, NULL on termination

int rpmtsiOc

(

rpmtsi

tsi

)

Return transaction element index.

Parameters:

tsi

transaction element iterator

Returns:

transaction element index