static void do_expire(char *datadir) {
bookkeeper_t *books;
dirstat_t *dirstat, oldstat;
int ret, bookkeeper_stat, do_rescan;
syslog(LOG_INFO, "Run expire on '%s'", datadir);
do_rescan = 0;
ret = ReadStatInfo(datadir, &dirstat, CREATE_AND_LOCK);
switch (ret) {
case STATFILE_OK:
break;
case ERR_NOSTATFILE:
dirstat->low_water = 95;
case FORCE_REBUILD:
syslog(LOG_INFO, "Force rebuild stat record");
do_rescan = 1;
break;
case ERR_FAIL:
syslog(LOG_ERR, "expire failed: can't read stat record");
return;
/* not reached */
break;
default:
syslog(LOG_ERR, "expire failed: unexpected return code %i reading stat record", ret);
return;
/* not reached */
}
bookkeeper_stat = AccessBookkeeper(&books, datadir);
if ( do_rescan ) {
RescanDir(datadir, dirstat);
if ( bookkeeper_stat == BOOKKEEPER_OK ) {
ClearBooks(books, NULL);
// release the books below
}
}
if ( bookkeeper_stat == BOOKKEEPER_OK ) {
bookkeeper_t tmp_books;
ClearBooks(books, &tmp_books);
UpdateBookStat(dirstat, &tmp_books);
ReleaseBookkeeper(books, DETACH_ONLY);
} else {
syslog(LOG_ERR, "Error %i: can't access book keeping records", ret);
}
syslog(LOG_INFO, "Limits: Filesize %s, Lifetime %s, Watermark: %llu%%\n",
dirstat->max_size ? ScaleValue(dirstat->max_size) : "<none>",
dirstat->max_lifetime ? ScaleTime(dirstat->max_lifetime) : "<none>",
(unsigned long long)dirstat->low_water);
syslog(LOG_INFO, "Current size: %s, Current lifetime: %s, Number of files: %llu",
ScaleValue(dirstat->filesize),
ScaleTime(dirstat->last - dirstat->first),
(unsigned long long)dirstat->numfiles);
oldstat = *dirstat;
if ( dirstat->max_size || dirstat->max_lifetime )
ExpireDir(datadir, dirstat, dirstat->max_size, dirstat->max_lifetime, 0);
WriteStatInfo(dirstat);
if ( (oldstat.numfiles - dirstat->numfiles) > 0 ) {
syslog(LOG_INFO, "expire completed");
syslog(LOG_INFO, " expired files: %llu", (unsigned long long)(oldstat.numfiles - dirstat->numfiles));
syslog(LOG_INFO, " expired time slot: %s", ScaleTime(dirstat->first - oldstat.first));
syslog(LOG_INFO, " expired file size: %s", ScaleValue(oldstat.filesize - dirstat->filesize));
syslog(LOG_INFO, "New size: %s, New lifetime: %s, Number of files: %llu",
ScaleValue(dirstat->filesize),
ScaleTime(dirstat->last - dirstat->first),
(unsigned long long)dirstat->numfiles);
} else {
syslog(LOG_INFO, "expire completed - nothing to expire.");
}
ReleaseStatInfo(dirstat);
} // End of do_expire
channel_t *GetChannelList(char *datadir, int is_profile, int do_rescan) {
channel_t **c, *channel;
stringlist_t dirlist;
struct stat stat_buf;
int i;
// Generate list of directories
InitStringlist(&dirlist, 32);
if ( is_profile ) {
DIR *PDIR = opendir(datadir);
struct dirent *entry;
if ( !PDIR ) {
fprintf(stderr, "Can't read profiledir '%s': %s\n",datadir, strerror(errno) );
return NULL;
}
while ( ( entry = readdir(PDIR)) != NULL ) {
char stringbuf[MAXPATHLEN];
snprintf(stringbuf, MAXPATHLEN-1, "%s/%s", datadir, entry->d_name);
stringbuf[MAXPATHLEN-1] = '\0';
if ( stat(stringbuf, &stat_buf) ) {
fprintf(stderr, "Can't stat '%s': %s\n",stringbuf, strerror(errno) );
continue;
}
if ( !S_ISDIR(stat_buf.st_mode) )
continue;
// skip all '.' entries -> make .anything invisible to nfprofile
if ( entry->d_name[0] == '.' )
continue;
InsertString(&dirlist, stringbuf);
}
closedir(PDIR);
} else {
InsertString(&dirlist, datadir);
}
channel = NULL;
c = &channel;
for ( i=0; i<dirlist.num_strings; i++ ) {
int ret;
*c = (channel_t *)malloc(sizeof(channel_t));
if ( !*c ) {
LogError("malloc() error in %s line %d: %s\n", __FILE__, __LINE__, strerror(errno) );
return NULL;
}
memset((void *)*c, 0, sizeof(channel_t));
(*c)->next = NULL;
(*c)->datadir = dirlist.list[i];
(*c)->do_rescan = do_rescan;
ret = ReadStatInfo((*c)->datadir, &(*c)->dirstat, CREATE_AND_LOCK);
switch (ret) {
case FORCE_REBUILD:
printf("Force rebuild requested by stat record in %s\n", (*c)->datadir);
(*c)->do_rescan = 1; // file corrupt - rescan
break;
case STATFILE_OK:
break;
case ERR_NOSTATFILE: // first rescan bevore expire, if no file exists
if ( do_rescan == 0 ) {
printf("Force rebuild to create stat record in %s\n", (*c)->datadir);
(*c)->do_rescan = 1;
} // else do_rescan is already set - do not report
break;
default:
exit(250);
}
(*c)->books_stat = AccessBookkeeper(&((*c)->books), (*c)->datadir);
if ( (*c)->books_stat == ERR_FAILED ) {
fprintf(stderr, "Failed to access bookkeeping record.\n");
exit(250);
}
c = &(*c)->next;
}
return channel;
} // End of GetChannelList