Main Page   Modules   Data Structures   File List   Data Fields   Globals   Related Pages  

lib/fsm.c File Reference

File state machine to handle a payload from a package. More...

#include "system.h"
#include "psm.h"
#include "rpmerr.h"
#include "debug.h"

Go to the source code of this file.

Data Structures

struct  dnli_s

Defines

#define alloca_strdup(_s)   strcpy(alloca(strlen(_s)+1), (_s))
#define SUFFIX_RPMORIG   ".rpmorig"
#define SUFFIX_RPMSAVE   ".rpmsave"
#define SUFFIX_RPMNEW   ".rpmnew"
#define IS_DEV_LOG(_x)
#define _fafilter(_a)
#define _tsmask   (RPMTRANS_FLAG_PKGCOMMIT | RPMTRANS_FLAG_COMMIT)

Typedefs

typedef struct dnli_s *  DNLI_t

Functions

rpmTransactionSet fsmGetTs (const FSM_t fsm)
 Retrieve transaction set from file state machine iterator. More...

TFI_t fsmGetFi (const FSM_t fsm)
 Retrieve transaction element file info from file state machine iterator. More...

const char* fsmFsPath (const FSM_t fsm, const struct stat *st, const char *subdir, const char *suffix)
void* mapFreeIterator (const void *p)
void* mapInitIterator (const void *a, const void *b)
int mapNextIterator (void *a)
int cpioStrCmp (const void *a, const void *b)
int mapFind (void *a, const char *fsmPath)
void* dnlFreeIterator (const void *a)
int dnlCount (const DNLI_t dnli)
int dnlIndex (const DNLI_t dnli)
void* dnlInitIterator (const FSM_t fsm, int reverse)
const char* dnlNextIterator (DNLI_t dnli)
int saveHardLink (FSM_t fsm)
void* freeHardLink (struct hardLink_s *li)
FSM_t newFSM (void)
 Create file state machine instance. More...

FSM_t freeFSM (FSM_t fsm)
 Destroy file state machine instance. More...

int fsmSetup (FSM_t fsm, fileStage goal, const rpmTransactionSet ts, const TFI_t fi, FD_t cfd, unsigned int *archiveSize, const char **failedFile)
 Load external data into file state machine. More...

int fsmTeardown (FSM_t fsm)
 Clean file state machine. More...

int fsmMapPath (FSM_t fsm)
 Map next file path and action. More...

int fsmMapAttrs (FSM_t fsm)
 Map file stat(2) info. More...

int expandRegular (FSM_t fsm)
int writeFile (FSM_t fsm, int writeData)
int writeLinkedFile (FSM_t fsm)
int fsmMakeLinks (FSM_t fsm)
int fsmCommitLinks (FSM_t fsm)
int fsmRmdirs (FSM_t fsm)
 Remove (if created) directories not explicitly included in package. More...

int fsmMkdirs (FSM_t fsm)
 Create (if necessary) directories not explicitly included in package. More...

int fsmStage (FSM_t fsm, fileStage stage)
 File state machine driver. More...

const char* const fileActionString (fileAction a)
 Return formatted string representation of file disposition. More...

const char* const fileStageString (fileStage a)
 Return formatted string representation of file stages. More...


Variables

int _fsm_debug = 0
int strict_erasures = 0


Detailed Description

File state machine to handle a payload from a package.

Definition in file fsm.c.


Define Documentation

#define IS_DEV_LOG( _x )
 

Value:

        ((_x) != NULL && strlen(_x) >= (sizeof("/dev/log")-1) && \
        !strncmp((_x), "/dev/log", sizeof("/dev/log")-1) && \
        ((_x)[sizeof("/dev/log")-1] == '\0' || \
         (_x)[sizeof("/dev/log")-1] == ';'))

Definition at line 1204 of file fsm.c.

Referenced by fsmStage().

#define SUFFIX_RPMNEW   ".rpmnew"
 

Definition at line 44 of file fsm.c.

#define SUFFIX_RPMORIG   ".rpmorig"
 

Definition at line 42 of file fsm.c.

#define SUFFIX_RPMSAVE   ".rpmsave"
 

Definition at line 43 of file fsm.c.

#define _fafilter( _a )
 

Value:

    (!((_a) == FA_CREATE || (_a) == FA_ERASE || (_a) == FA_COPYIN || (_a) == FA_COPYOUT) \
        ? fileActionString(_a) : "")

Referenced by fsmStage().

#define _tsmask   (RPMTRANS_FLAG_PKGCOMMIT | RPMTRANS_FLAG_COMMIT)
 

#define alloca_strdup( _s )   strcpy(alloca(strlen(_s)+1), (_s))
 

Definition at line 18 of file fsm.c.

Referenced by ftpNLST(), readPackageHeaders(), relocateFileList(), and writeFile().


Function Documentation

const char *const fileActionString ( fileAction a )
 

Return formatted string representation of file disposition.

Parameters:
a   file dispostion
Returns:
formatted string

Definition at line 2131 of file fsm.c.

const char *const fileStageString ( fileStage a )
 

Return formatted string representation of file stages.

Parameters:
a   file stage
Returns:
formatted string

Definition at line 2151 of file fsm.c.

FSM_t freeFSM ( FSM_t fsm )
 

Destroy file state machine instance.

Parameters:
fsm   file state machine data
Returns:
always NULL

Definition at line 438 of file fsm.c.

TFI_t fsmGetFi ( const FSM_t fsm )
 

Retrieve transaction element file info from file state machine iterator.

Parameters:
fsm   file state machine data
Returns:
transaction element file info

Definition at line 34 of file fsm.c.

rpmTransactionSet fsmGetTs ( const FSM_t fsm )
 

Retrieve transaction set from file state machine iterator.

Parameters:
fsm   file state machine data
Returns:
transaction set

Definition at line 27 of file fsm.c.

int fsmMapAttrs ( FSM_t fsm )
 

Map file stat(2) info.

Parameters:
fsm   file state machine data

Definition at line 616 of file fsm.c.

int fsmMapPath ( FSM_t fsm )
 

Map next file path and action.

Parameters:
fsm   file state machine data

Definition at line 521 of file fsm.c.

int fsmMkdirs ( FSM_t fsm ) [static]
 

Create (if necessary) directories not explicitly included in package.

Parameters:
fsm   file state machine data
Returns:
0 on success

Definition at line 1072 of file fsm.c.

Referenced by fsmStage().

int fsmRmdirs ( FSM_t fsm ) [static]
 

Remove (if created) directories not explicitly included in package.

Parameters:
fsm   file state machine data
Returns:
0 on success

Definition at line 1021 of file fsm.c.

Referenced by fsmStage().

int fsmSetup ( FSM_t fsm,
fileStage goal,
const rpmTransactionSet ts,
const TFI_t fi,
FD_t cfd,
unsigned int * archiveSize,
const char ** failedFile )
 

Load external data into file state machine.

Parameters:
fsm   file state machine data
goal  
ts   transaction set
fi   transaction element file info
archiveSize   pointer to archive size
failedFile   pointer to first file name that failed.
Returns:
0 on success

Definition at line 454 of file fsm.c.

int fsmStage ( FSM_t fsm,
fileStage stage )
 

File state machine driver.

Parameters:
fsm   file state machine data
stage   next stage
Returns:
0 on success

Definition at line 1211 of file fsm.c.

int fsmTeardown ( FSM_t fsm )
 

Clean file state machine.

Parameters:
fsm   file state machine data
Returns:
0 on success

Definition at line 504 of file fsm.c.

FSM_t newFSM ( void )
 

Create file state machine instance.

Returns:
file state machine data

Definition at line 432 of file fsm.c.

Referenced by loadFi().


Variable Documentation

int _fsm_debug = 0
 

Definition at line 20 of file fsm.c.

int strict_erasures = 0
 

Definition at line 24 of file fsm.c.


Generated at Tue Dec 23 04:54:13 2003 for rpm by doxygen1.2.8.1 written by Dimitri van Heesch, © 1997-2001