52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "apr.h"

65a9065538fd85e6ead925d344e6b421900eb8c2Jakub Hrozek#include "apr_lib.h"

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek#include "apr_strings.h"

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek#include "apr_file_io.h"

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek#include "apr_file_info.h"

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek#include "apr_pools.h"

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek#include "apr_hash.h"

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek#include "apr_thread_proc.h"

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek#include "apr_signal.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "apr_getopt.h"

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher#include "apr_ring.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "apr_date.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "apr_buckets.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include "../modules/cache/mod_disk_cache.h"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher#if APR_HAVE_UNISTD_H

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#include <unistd.h>

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#endif

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#if APR_HAVE_STDLIB_H

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek#include <stdlib.h>

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek#endif

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek#undef DEBUG

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher#define NICE_DELAY 10000 /* usecs */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#define DELETE_NICE 10 /* be nice after this amount of delete ops */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#define STAT_ATTEMPTS 10 /* maximum stat attempts for a file */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#define STAT_DELAY 5000 /* usecs */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#define HEADER 1 /* headers file */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#define DATA 2 /* body file */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#define TEMP 4 /* temporary file */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#define HEADERDATA (HEADER|DATA)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#define MAXDEVIATION 3600 /* secs */

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher#define SECS_PER_MIN 60

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher#define KBYTE 1024

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher#define MBYTE 1048576

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#define GBYTE 1073741824

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek#define DIRINFO (APR_FINFO_MTIME|APR_FINFO_SIZE|APR_FINFO_TYPE|APR_FINFO_LINK)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

65a9065538fd85e6ead925d344e6b421900eb8c2Jakub Hrozektypedef struct _direntry {

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek APR_RING_ENTRY(_direntry) link;

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek int type; /* type of file/fileset: TEMP, HEADER, DATA, HEADERDATA */

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek apr_time_t htime; /* headers file modification time */

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek apr_time_t dtime; /* body file modification time */

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek apr_off_t hsize; /* headers file size */

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek apr_off_t dsize; /* body or temporary file size */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher char *basename; /* file/fileset base name */

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher} DIRENTRY;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallaghertypedef struct _entry {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher APR_RING_ENTRY(_entry) link;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_time_t expire; /* cache entry exiration time */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_time_t response_time; /* cache entry time of last response to client */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_time_t htime; /* headers file modification time */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_time_t dtime; /* body file modification time */

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher apr_off_t hsize; /* headers file size */

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher apr_off_t dsize; /* body or temporary file size */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher char *basename; /* fileset base name */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher} ENTRY;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic int delcount; /* file deletion count for nice mode */

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozekstatic int interrupted; /* flag: true if SIGINT or SIGTERM occurred */

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozekstatic int realclean; /* flag: true means user said apache is not running */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic int verbose; /* flag: true means print statistics */

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagherstatic int benice; /* flag: true means nice mode is activated */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic int dryrun; /* flag: true means dry run, don't actually delete

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic int deldirs; /* flag: true means directories should be deleted */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic int baselen; /* string length of the path to the proxy directory */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic apr_time_t now; /* start time of this processing run */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic apr_file_t *errfile; /* stderr file handle */

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagherstatic apr_off_t unsolicited; /* file size summary for deleted unsolicited

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic APR_RING_ENTRY(_entry) root; /* ENTRY ring anchor */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic const char *shortname = "htcacheclean";

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#ifdef DEBUG

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher#define apr_file_remove fake_file_remove

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagherstatic void fake_file_remove(char *pathname, apr_pool_t *p)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher{

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_finfo_t info;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* stat and printing to simulate some deletion system load and to

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_stat(&info, pathname, DIRINFO, p);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_file_printf(errfile, "would delete %s" APR_EOL_STR, pathname);

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher}

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher#endif

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic void setterm(int unused)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher{

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#ifdef DEBUG

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher apr_file_printf(errfile, "interrupt" APR_EOL_STR);

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher#endif

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher interrupted = 1;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher}

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagherstatic int oom(int unused)

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek{

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek static int called = 0;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* be careful to call exit() only once */

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher if (!called) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher called = 1;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher exit(1);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek return APR_ENOMEM;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek}

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozekstatic void printstats(apr_off_t total, apr_off_t sum, apr_off_t max,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_off_t etotal, apr_off_t entries)

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher{

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher char ttype, stype, mtype, utype;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_off_t tfrag, sfrag, ufrag;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (!verbose) {

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher return;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ttype = 'K';

531661c7bb54eb71853977a64cb30f80c20b963eJakub Hrozek tfrag = ((total * 10) / KBYTE) % 10;

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozek total /= KBYTE;

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozek if (total >= KBYTE) {

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozek ttype = 'M';

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozek tfrag = ((total * 10) / KBYTE) % 10;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher total /= KBYTE;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher stype = 'K';

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher sfrag = ((sum * 10) / KBYTE) % 10;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher sum /= KBYTE;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (sum >= KBYTE) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher stype = 'M';

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher sfrag = ((sum * 10) / KBYTE) % 10;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher sum /= KBYTE;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher mtype = 'K';

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher max /= KBYTE;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (max >= KBYTE) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher mtype = 'M';

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher max /= KBYTE;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher apr_file_printf(errfile, "Statistics:" APR_EOL_STR);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (unsolicited) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher utype = 'K';

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ufrag = ((unsolicited * 10) / KBYTE) % 10;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher unsolicited /= KBYTE;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (unsolicited >= KBYTE) {

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher utype = 'M';

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ufrag = ((unsolicited * 10) / KBYTE) % 10;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher unsolicited /= KBYTE;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher if (!unsolicited && !ufrag) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher ufrag = 1;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_file_printf(errfile, "unsolicited size %d.%d%c" APR_EOL_STR,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher (int)(unsolicited), (int)(ufrag), utype);

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher }

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher apr_file_printf(errfile, "size limit %d.0%c" APR_EOL_STR,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher (int)(max), mtype);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_file_printf(errfile, "total size was %d.%d%c, total size now "

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher "%d.%d%c" APR_EOL_STR,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher (int)(total), (int)(tfrag), ttype, (int)(sum),

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher (int)(sfrag), stype);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_file_printf(errfile, "total entries was %d, total entries now %d"

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher APR_EOL_STR, (int)(etotal), (int)(entries));

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher}

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozekstatic void delete_file(char *path, char *basename, apr_pool_t *pool)

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek{

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek char *nextpath;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_pool_t *p;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek if (dryrun) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek return;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek /* temp pool, otherwise lots of memory could be allocated */

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_pool_create(&p, pool);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek nextpath = apr_pstrcat(p, path, "/", basename, NULL);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_file_remove(nextpath, p);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_pool_destroy(p);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek if (benice) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek if (++delcount >= DELETE_NICE) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_sleep(NICE_DELAY);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek delcount = 0;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek}

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozekstatic void delete_entry(char *path, char *basename, apr_pool_t *pool)

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek{

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek char *nextpath;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_pool_t *p;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek if (dryrun) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek return;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek /* temp pool, otherwise lots of memory could be allocated */

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_pool_create(&p, pool);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek nextpath = apr_pstrcat(p, path, "/", basename, CACHE_HEADER_SUFFIX, NULL);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_file_remove(nextpath, p);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek nextpath = apr_pstrcat(p, path, "/", basename, CACHE_DATA_SUFFIX, NULL);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_file_remove(nextpath, p);

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

a7797068c4deb6ce2bdbcda27c45ff1bbb4a8e78Jakub Hrozek apr_pool_destroy(p);

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek if (benice) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek delcount += 2;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek if (delcount >= DELETE_NICE) {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek apr_sleep(NICE_DELAY);

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek delcount = 0;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek}

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozekstatic int process_dir(char *path, apr_pool_t *pool)

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek{

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek apr_dir_t *dir;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek apr_pool_t *p;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_hash_t *h;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_hash_index_t *i;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_file_t *fd;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_status_t status;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_finfo_t info;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_size_t len;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_time_t current, deviation;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek char *nextpath, *base, *ext, *orig_basename;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek APR_RING_ENTRY(_direntry) anchor;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek DIRENTRY *d, *t, *n;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek ENTRY *e;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek int skip, retries;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek disk_cache_info_t disk_info;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek APR_RING_INIT(&anchor, _direntry, link);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_pool_create(&p, pool);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek h = apr_hash_make(p);

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek fd = NULL;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek skip = 0;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek deviation = MAXDEVIATION * APR_USEC_PER_SEC;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek if (apr_dir_open(&dir, path, p) != APR_SUCCESS) {

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek return 1;

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek }

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek while (apr_dir_read(&info, 0, dir) == APR_SUCCESS && !interrupted) {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek if (!strcmp(info.name, ".") || !strcmp(info.name, "..")) {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek continue;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek d = apr_pcalloc(p, sizeof(DIRENTRY));

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek d->basename = apr_pstrcat(p, path, "/", info.name, NULL);

ad805face83ba7d67b1cf2067a1982c7e63d1060Jakub Hrozek APR_RING_INSERT_TAIL(&anchor, d, _direntry, link);

ad805face83ba7d67b1cf2067a1982c7e63d1060Jakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek apr_dir_close(dir);

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek if (interrupted) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek return 1;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek skip = baselen + 1;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek for (d = APR_RING_FIRST(&anchor);

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek !interrupted && d != APR_RING_SENTINEL(&anchor, _direntry, link);

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek d=n) {

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek n = APR_RING_NEXT(d, link);

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek base = strrchr(d->basename, '/');

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek if (!base++) {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek base = d->basename;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek ext = strchr(base, '.');

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

261cdde02b40aa8dabb3d69e43586a5a220647e9Jakub Hrozek /* there may be temporary files which may be gone before

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek if (!ext && !realclean) {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek if (!strncasecmp(base, AP_TEMPFILE_BASE, AP_TEMPFILE_BASELEN)

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek && strlen(base) == AP_TEMPFILE_NAMELEN) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek continue;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek /* this may look strange but apr_stat() may return errno which

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek retries = STAT_ATTEMPTS;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek status = APR_SUCCESS;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek do {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek if (status != APR_SUCCESS) {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek apr_sleep(STAT_DELAY);

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek status = apr_stat(&info, d->basename, DIRINFO, p);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek } while (status != APR_SUCCESS && !interrupted && --retries);

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek /* what may happen here is that apache did create a file which

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek if (status != APR_SUCCESS) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek if (!realclean && !interrupted) {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek continue;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek return 1;

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (info.filetype == APR_DIR) {

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher /* Make a copy of the basename, as process_dir modifies it */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher orig_basename = apr_pstrdup(pool, d->basename);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (process_dir(d->basename, pool)) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek return 1;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* If asked to delete dirs, do so now. We don't care if it fails.

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (deldirs && !dryrun) {

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher apr_dir_remove(orig_basename, pool);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher continue;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher if (info.filetype != APR_REG) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher continue;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (!ext) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (!strncasecmp(base, AP_TEMPFILE_BASE, AP_TEMPFILE_BASELEN)

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher && strlen(base) == AP_TEMPFILE_NAMELEN) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher d->basename += skip;

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher d->type = TEMP;

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher d->dsize = info.size;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_hash_set(h, d->basename, APR_HASH_KEY_STRING, d);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek continue;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (!strcasecmp(ext, CACHE_HEADER_SUFFIX)) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher *ext = '\0';

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek d->basename += skip;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* if a user manually creates a '.header' file */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (d->basename[0] == '\0') {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher continue;

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher }

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher t = apr_hash_get(h, d->basename, APR_HASH_KEY_STRING);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (t) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher d = t;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

056302a92862fda16351d7192600746746f38e5dStephen Gallagher d->type |= HEADER;

e59e09b5010f262228bbdeb92a79b733bf5854b3Stephen Gallagher d->htime = info.mtime;

e59e09b5010f262228bbdeb92a79b733bf5854b3Stephen Gallagher d->hsize = info.size;

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher apr_hash_set(h, d->basename, APR_HASH_KEY_STRING, d);

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek continue;

056302a92862fda16351d7192600746746f38e5dStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (!strcasecmp(ext, CACHE_DATA_SUFFIX)) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek *ext = '\0';

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher d->basename += skip;

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher /* if a user manually creates a '.data' file */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (d->basename[0] == '\0') {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher continue;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher t = apr_hash_get(h, d->basename, APR_HASH_KEY_STRING);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (t) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher d = t;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher d->type |= DATA;

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher d->dtime = info.mtime;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher d->dsize = info.size;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_hash_set(h, d->basename, APR_HASH_KEY_STRING, d);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (interrupted) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher return 1;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher path[baselen] = '\0';

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher for (i = apr_hash_first(p, h); i && !interrupted; i = apr_hash_next(i)) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek void *hvalue;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_uint32_t format;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_hash_this(i, NULL, NULL, &hvalue);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher d = hvalue;

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozek switch(d->type) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher case HEADERDATA:

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher nextpath = apr_pstrcat(p, path, "/", d->basename,

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher CACHE_HEADER_SUFFIX, NULL);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek if (apr_file_open(&fd, nextpath, APR_FOPEN_READ | APR_FOPEN_BINARY,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher APR_OS_DEFAULT, p) == APR_SUCCESS) {

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher len = sizeof(format);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (apr_file_read_full(fd, &format, len,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher &len) == APR_SUCCESS) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek if (format == DISK_FORMAT_VERSION) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_off_t offset = 0;

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher apr_file_seek(fd, APR_SET, &offset);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher len = sizeof(disk_cache_info_t);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek if (apr_file_read_full(fd, &disk_info, len,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher &len) == APR_SUCCESS) {

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek apr_file_close(fd);

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek e = apr_palloc(pool, sizeof(ENTRY));

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek APR_RING_INSERT_TAIL(&root, e, _entry, link);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher e->expire = disk_info.expire;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher e->response_time = disk_info.response_time;

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher e->htime = d->htime;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek e->dtime = d->dtime;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher e->hsize = d->hsize;

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher e->dsize = d->dsize;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher e->basename = apr_pstrdup(pool, d->basename);

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek break;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek else {

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek apr_file_close(fd);

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek }

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek }

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek else if (format == VARY_FORMAT_VERSION) {

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek /* This must be a URL that added Vary headers later,

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek apr_file_close(fd);

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek apr_file_remove(apr_pstrcat(p, path, "/", d->basename,

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek CACHE_DATA_SUFFIX, NULL),

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek p);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek }

0172959f117b545c8a6b1893f5f56818d82dd624Jakub Hrozek else {

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek apr_file_close(fd);

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek }

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek /* we have a somehow unreadable headers file which is associated

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek current = apr_time_now();

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek if (realclean || d->htime < current - deviation

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek || d->htime > current + deviation) {

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek delete_entry(path, d->basename, p);

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek unsolicited += d->hsize;

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek unsolicited += d->dsize;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek break;

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek

0172959f117b545c8a6b1893f5f56818d82dd624Jakub Hrozek /* single data and header files may be deleted either in realclean

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek case HEADER:

b20208b80e99abb79c00d5ec526caa9465859c52Jakub Hrozek current = apr_time_now();

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher nextpath = apr_pstrcat(p, path, "/", d->basename,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher CACHE_HEADER_SUFFIX, NULL);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (apr_file_open(&fd, nextpath, APR_FOPEN_READ | APR_FOPEN_BINARY,

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek APR_OS_DEFAULT, p) == APR_SUCCESS) {

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher len = sizeof(format);

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher if (apr_file_read_full(fd, &format, len,

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher &len) == APR_SUCCESS) {

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher if (format == VARY_FORMAT_VERSION) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_time_t expires;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek len = sizeof(expires);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher if (apr_file_read_full(fd, &expires, len,

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher &len) == APR_SUCCESS) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_file_close(fd);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (expires < current) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher delete_entry(path, d->basename, p);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher break;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_file_close(fd);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (realclean || d->htime < current - deviation

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher || d->htime > current + deviation) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher delete_entry(path, d->basename, p);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher unsolicited += d->hsize;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek break;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher case DATA:

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher current = apr_time_now();

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (realclean || d->dtime < current - deviation

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher || d->dtime > current + deviation) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher delete_entry(path, d->basename, p);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek unsolicited += d->dsize;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher break;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* temp files may only be deleted in realclean mode which

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek case TEMP:

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher delete_file(path, d->basename, p);

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher unsolicited += d->dsize;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher break;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (interrupted) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher return 1;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_pool_destroy(p);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (benice) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_sleep(NICE_DELAY);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (interrupted) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher return 1;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher return 0;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher}

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozekstatic void purge(char *path, apr_pool_t *pool, apr_off_t max)

531661c7bb54eb71853977a64cb30f80c20b963eJakub Hrozek{

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek apr_off_t sum, total, entries, etotal;

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek ENTRY *e, *n, *oldest;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek sum = 0;

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek entries = 0;

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek for (e = APR_RING_FIRST(&root);

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek e != APR_RING_SENTINEL(&root, _entry, link);

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek e = APR_RING_NEXT(e, link)) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek sum += e->hsize;

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek sum += e->dsize;

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek entries++;

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek }

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek total = sum;

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek etotal = entries;

e5c33e0bd03a2deb8e5011deeb3ae93f960910eeJakub Hrozek

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek if (sum <= max) {

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek printstats(total, sum, max, etotal, entries);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek return;

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek }

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek

e5c33e0bd03a2deb8e5011deeb3ae93f960910eeJakub Hrozek /* process all entries with a timestamp in the future, this may

e5c33e0bd03a2deb8e5011deeb3ae93f960910eeJakub Hrozek

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek for (e = APR_RING_FIRST(&root);

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek e != APR_RING_SENTINEL(&root, _entry, link) && !interrupted;) {

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek n = APR_RING_NEXT(e, link);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek if (e->response_time > now || e->htime > now || e->dtime > now) {

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek delete_entry(path, e->basename, pool);

e5c33e0bd03a2deb8e5011deeb3ae93f960910eeJakub Hrozek sum -= e->hsize;

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozek sum -= e->dsize;

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozek entries--;

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozek APR_RING_REMOVE(e, link);

be5cc3c013ece0c957f2f8c28a217052227dfd07Jakub Hrozek if (sum <= max) {

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek if (!interrupted) {

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek printstats(total, sum, max, etotal, entries);

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek return;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

ad805face83ba7d67b1cf2067a1982c7e63d1060Jakub Hrozek }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek e = n;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek if (interrupted) {

524ceecc11f3d458eb3c1cf1489c3ff6ccb22226Jakub Hrozek return;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek /* process all entries with are expired */

481ec0e1eb0058195732cb320845b41f6f4d43ebJakub Hrozek for (e = APR_RING_FIRST(&root);

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek e != APR_RING_SENTINEL(&root, _entry, link) && !interrupted;) {

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek n = APR_RING_NEXT(e, link);

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek if (e->expire != APR_DATE_BAD && e->expire < now) {

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek delete_entry(path, e->basename, pool);

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek sum -= e->hsize;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek sum -= e->dsize;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek entries--;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek APR_RING_REMOVE(e, link);

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek if (sum <= max) {

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek if (!interrupted) {

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek printstats(total, sum, max, etotal, entries);

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek return;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek }

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek }

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek e = n;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek }

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek if (interrupted) {

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek return;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek }

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek /* process remaining entries oldest to newest, the check for an emtpy

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek while (sum > max && !interrupted && !APR_RING_EMPTY(&root, _entry, link)) {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek oldest = APR_RING_FIRST(&root);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek for (e = APR_RING_NEXT(oldest, link);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek e != APR_RING_SENTINEL(&root, _entry, link);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek e = APR_RING_NEXT(e, link)) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek if (e->dtime < oldest->dtime) {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek oldest = e;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek delete_entry(path, oldest->basename, pool);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek sum -= oldest->hsize;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek sum -= oldest->dsize;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek entries--;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek APR_RING_REMOVE(oldest, link);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek if (!interrupted) {

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek printstats(total, sum, max, etotal, entries);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek}

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek#define NL APR_EOL_STR

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozekstatic void usage(void)

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek{

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_file_printf(errfile,

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek "%s -- program for cleaning the disk cache." NL

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek "Usage: %s [-Dvtrn] -pPATH -lLIMIT" NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " %s [-nti] -dINTERVAL -pPATH -lLIMIT" NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek "Options:" NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " -d Daemonize and repeat cache cleaning every INTERVAL minutes." NL

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek " This option is mutually exclusive with the -D, -v and -r" NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " options." NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " -D Do a dry run and don't delete anything. This option is mutually" NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " exclusive with the -d option." NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " -v Be verbose and print statistics. This option is mutually" NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " exclusive with the -d option." NL

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " -r Clean thoroughly. This assumes that the Apache web server is " NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " not running. This option is mutually exclusive with the -d" NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " option and implies -t." NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " -n Be nice. This causes slower processing in favour of other" NL

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek " processes." NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " -t Delete all empty directories. By default only cache files are" NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " removed, however with some configurations the large number of" NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " directories created may require attention." NL

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " -p Specify PATH as the root directory of the disk cache." NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " -l Specify LIMIT as the total disk cache size limit. Attach 'K'" NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " or 'M' to the number for specifying KBytes or MBytes." NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " -i Be intelligent and run only when there was a modification of" NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek " the disk cache. This option is only possible together with the" NL

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek " -d option." NL,

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek shortname,

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek shortname,

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek shortname

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek );

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek exit(1);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek}

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek#undef NL

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozekint main(int argc, const char * const argv[])

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek{

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_off_t max;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_time_t current, repeat, delay, previous;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_status_t status;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek apr_pool_t *pool, *instance;

ad805face83ba7d67b1cf2067a1982c7e63d1060Jakub Hrozek apr_getopt_t *o;

ad805face83ba7d67b1cf2067a1982c7e63d1060Jakub Hrozek apr_finfo_t info;

ad805face83ba7d67b1cf2067a1982c7e63d1060Jakub Hrozek int retries, isdaemon, limit_found, intelligent, dowork;

ad805face83ba7d67b1cf2067a1982c7e63d1060Jakub Hrozek char opt;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek const char *arg;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek char *proxypath, *path;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek interrupted = 0;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek repeat = 0;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek isdaemon = 0;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek dryrun = 0;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek limit_found = 0;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek max = 0;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek verbose = 0;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek realclean = 0;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek benice = 0;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek deldirs = 0;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek intelligent = 0;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek previous = 0; /* avoid compiler warning */

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek proxypath = NULL;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek if (apr_app_initialize(&argc, &argv, NULL) != APR_SUCCESS) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek return 1;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek atexit(apr_terminate);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek if (argc) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek shortname = apr_filepath_name_get(argv[0]);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek if (apr_pool_create(&pool, NULL) != APR_SUCCESS) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher return 1;

d25fa6f2608d5fe0617ada47f9d426f45deb96ffJakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_pool_abort_set(oom, pool);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_file_open_stderr(&errfile, pool);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_signal(SIGINT, setterm);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_signal(SIGTERM, setterm);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_getopt_init(&o, pool, argc, argv);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher while (1) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher status = apr_getopt(o, "iDnvrtd:l:L:p:", &opt, &arg);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (status == APR_EOF) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek break;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher else if (status != APR_SUCCESS) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher usage();

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek else {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher switch (opt) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher case 'i':

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (intelligent) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher usage();

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher intelligent = 1;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher break;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek case 'D':

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (dryrun) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher usage();

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher dryrun = 1;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek break;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher case 'n':

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (benice) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher usage();

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

e59e09b5010f262228bbdeb92a79b733bf5854b3Stephen Gallagher benice = 1;

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher break;

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher case 't':

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek if (deldirs) {

2ea6196484055397cc4bc011c5960f790431fa9dStephen Gallagher usage();

e59e09b5010f262228bbdeb92a79b733bf5854b3Stephen Gallagher }

e59e09b5010f262228bbdeb92a79b733bf5854b3Stephen Gallagher deldirs = 1;

e59e09b5010f262228bbdeb92a79b733bf5854b3Stephen Gallagher break;

e59e09b5010f262228bbdeb92a79b733bf5854b3Stephen Gallagher

e59e09b5010f262228bbdeb92a79b733bf5854b3Stephen Gallagher case 'v':

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (verbose) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher usage();

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek verbose = 1;

e59e09b5010f262228bbdeb92a79b733bf5854b3Stephen Gallagher break;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher case 'r':

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher if (realclean) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek usage();

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher }

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher realclean = 1;

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher deldirs = 1;

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher break;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher case 'd':

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher if (isdaemon) {

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher usage();

7797e361155f7ce937085fd98e360469d7baf1b6Jakub Hrozek }

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher isdaemon = 1;

dd3ba5c5b7d2a9d109963ae9e6c94fff34872221Stephen Gallagher repeat = apr_atoi64(arg);

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek repeat *= SECS_PER_MIN;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek repeat *= APR_USEC_PER_SEC;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek break;

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek case 'l':

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek if (limit_found) {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek usage();

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek limit_found = 1;

a7797068c4deb6ce2bdbcda27c45ff1bbb4a8e78Jakub Hrozek

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek do {

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek apr_status_t rv;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek char *end;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek rv = apr_strtoff(&max, arg, &end, 10);

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek if (rv == APR_SUCCESS) {

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek if ((*end == 'K' || *end == 'k') && !end[1]) {

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek max *= KBYTE;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek }

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek else if ((*end == 'M' || *end == 'm') && !end[1]) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek max *= MBYTE;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek }

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek else if ((*end == 'G' || *end == 'g') && !end[1]) {

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek max *= GBYTE;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek else if (*end && /* neither empty nor [Bb] */

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek ((*end != 'B' && *end != 'b') || end[1])) {

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek rv = APR_EGENERAL;

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek }

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek }

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek if (rv != APR_SUCCESS) {

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek apr_file_printf(errfile, "Invalid limit: %s"

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek APR_EOL_STR APR_EOL_STR, arg);

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek usage();

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek }

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek } while(0);

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek break;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek case 'p':

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek if (proxypath) {

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek usage();

5ee3fba0bd812242a1ffe189f5ddf2689e6e6811Jakub Hrozek }

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek proxypath = apr_pstrdup(pool, arg);

a23014d69b56cbdf48ad05229c334648b5309d8fJakub Hrozek if (apr_filepath_set(proxypath, pool) != APR_SUCCESS) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher usage();

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher break;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher } /* switch */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher } /* else */

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher } /* while */

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (o->ind != argc) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher usage();

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (isdaemon && (repeat <= 0 || verbose || realclean || dryrun)) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek usage();

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (!isdaemon && intelligent) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher usage();

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (!proxypath || max <= 0) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher usage();

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (apr_filepath_get(&path, 0, pool) != APR_SUCCESS) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek usage();

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher baselen = strlen(path);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#ifndef DEBUG

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek if (isdaemon) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_file_close(errfile);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_proc_detach(APR_PROC_DETACH_DAEMONIZE);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher#endif

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher do {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_pool_create(&instance, pool);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher now = apr_time_now();

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher APR_RING_INIT(&root, _entry, link);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher delcount = 0;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher unsolicited = 0;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek dowork = 0;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher switch (intelligent) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher case 0:

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher dowork = 1;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher break;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher case 1:

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher retries = STAT_ATTEMPTS;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher status = APR_SUCCESS;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher do {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (status != APR_SUCCESS) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_sleep(STAT_DELAY);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher status = apr_stat(&info, path, APR_FINFO_MTIME, instance);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher } while (status != APR_SUCCESS && !interrupted && --retries);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (status == APR_SUCCESS) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek previous = info.mtime;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher intelligent = 2;

b355dcb54194f498921743ca33304eac35d89718Stephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher dowork = 1;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher break;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher case 2:

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher retries = STAT_ATTEMPTS;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher status = APR_SUCCESS;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek do {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (status != APR_SUCCESS) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_sleep(STAT_DELAY);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher status = apr_stat(&info, path, APR_FINFO_MTIME, instance);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher } while (status != APR_SUCCESS && !interrupted && --retries);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek if (status == APR_SUCCESS) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek if (previous != info.mtime) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher dowork = 1;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher previous = info.mtime;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher break;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek intelligent = 1;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek dowork = 1;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek break;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek if (dowork && !interrupted) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek if (!process_dir(path, instance) && !interrupted) {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek purge(path, instance, max);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek else if (!isdaemon && !interrupted) {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_file_printf(errfile, "An error occurred, cache cleaning "

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek "aborted." APR_EOL_STR);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek return 1;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek if (intelligent && !interrupted) {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek retries = STAT_ATTEMPTS;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek status = APR_SUCCESS;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek do {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (status != APR_SUCCESS) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher apr_sleep(STAT_DELAY);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher status = apr_stat(&info, path, APR_FINFO_MTIME, instance);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek } while (status != APR_SUCCESS && !interrupted && --retries);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek if (status == APR_SUCCESS) {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek previous = info.mtime;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek intelligent = 2;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek else {

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek intelligent = 1;

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek apr_pool_destroy(instance);

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek

f45a20d6ba9e8d695ec3ab707f0cc082999aa4a3Jakub Hrozek current = apr_time_now();

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (current < now) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher delay = repeat;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek else if (current - now >= repeat) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher delay = repeat;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher else {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher delay = now + repeat - current;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher /* we can't sleep the whole delay time here apiece as this is racy

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher if (isdaemon) {

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher while (delay && !interrupted) {

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek if (delay > APR_USEC_PER_SEC) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek apr_sleep(APR_USEC_PER_SEC);

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek delay -= APR_USEC_PER_SEC;

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek }

6463ed1dcdd45416468b3fa178bd856b5a9ed2c3Jakub Hrozek else {

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek apr_sleep(delay);

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek delay = 0;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek }

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher } while (isdaemon && !interrupted);

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek if (!isdaemon && interrupted) {

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek apr_file_printf(errfile, "Cache cleaning aborted due to user "

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek "request." APR_EOL_STR);

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek return 1;

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher }

52261fe16203dec6e6f69177c6d0a810b47d073fStephen Gallagher

2cb6f28b3a12bb714bf14494d31eb6b6fff64b8bJakub Hrozek return 0;

0142e7e2558a887992b1c5d4dc3051178e377687Jakub Hrozek}

65a9065538fd85e6ead925d344e6b421900eb8c2Jakub Hrozek