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amtrmlog.c
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amtrmlog.c
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/*
* Amanda, The Advanced Maryland Automatic Network Disk Archiver
* Copyright (c) 1991-1998 University of Maryland at College Park
* All Rights Reserved.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of U.M. not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. U.M. makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Authors: the Amanda Development Team. Its members are listed in a
* file named AUTHORS, in the root directory of this distribution.
*/
/*
* $Id: amtrmlog.c,v 1.17 2006/07/25 18:27:57 martinea Exp $
*
* trims number of index files to only those still in system. Well
* actually, it keeps a few extra, plus goes back to the last level 0
* dump.
*/
#include "amanda.h"
#include "arglist.h"
#include "conffile.h"
#include "diskfile.h"
#include "tapefile.h"
#include "find.h"
int amtrmidx_debug = 0;
int main(int argc, char **argv);
int
main(
int argc,
char ** argv)
{
disklist_t diskl;
int no_keep; /* files per system to keep */
char **output_find_log;
DIR *dir;
struct dirent *adir;
char **name;
int useful;
char *olddir;
char *oldfile = NULL, *newfile = NULL;
time_t today, date_keep;
char *logname = NULL;
struct stat stat_log;
struct stat stat_old;
char *conf_diskfile;
char *conf_tapelist;
char *conf_logdir;
int dumpcycle;
config_overrides_t *cfg_ovr = NULL;
/*
* Configure program for internationalization:
* 1) Only set the message locale for now.
* 2) Set textdomain for all amanda related programs to "amanda"
* We don't want to be forced to support dozens of message catalogs.
*/
setlocale(LC_MESSAGES, "C");
textdomain("amanda");
safe_fd(-1, 0);
safe_cd();
set_pname("amtrmlog");
/* Don't die when child closes pipe */
signal(SIGPIPE, SIG_IGN);
cfg_ovr = extract_commandline_config_overrides(&argc, &argv);
if (argc > 1 && strcmp(argv[1], "-t") == 0) {
amtrmidx_debug = 1;
argc--;
argv++;
}
if (argc < 2) {
g_fprintf(stderr, _("Usage: %s [-t] <config> [-o configoption]*\n"), argv[0]);
return 1;
}
dbopen(DBG_SUBDIR_SERVER);
dbprintf(_("%s: version %s\n"), argv[0], VERSION);
set_config_overrides(cfg_ovr);
config_init(CONFIG_INIT_EXPLICIT_NAME, argv[1]);
conf_diskfile = config_dir_relative(getconf_str(CNF_DISKFILE));
read_diskfile(conf_diskfile, &diskl);
amfree(conf_diskfile);
if (config_errors(NULL) >= CFGERR_WARNINGS) {
config_print_errors();
if (config_errors(NULL) >= CFGERR_ERRORS) {
g_critical(_("errors processing config file"));
}
}
check_running_as(RUNNING_AS_DUMPUSER);
dbrename(get_config_name(), DBG_SUBDIR_SERVER);
conf_tapelist = config_dir_relative(getconf_str(CNF_TAPELIST));
if (read_tapelist(conf_tapelist)) {
error(_("could not load tapelist \"%s\""), conf_tapelist);
/*NOTREACHED*/
}
amfree(conf_tapelist);
today = time((time_t *)NULL);
dumpcycle = getconf_int(CNF_DUMPCYCLE);
if(dumpcycle > 5000)
dumpcycle = 5000;
date_keep = today - (dumpcycle * 86400);
output_find_log = find_log();
/* determine how many log to keep */
no_keep = getconf_int(CNF_TAPECYCLE) * 2;
dbprintf(plural(_("Keeping %d log file\n"),
_("Keeping %d log files\n"), no_keep),
no_keep);
conf_logdir = config_dir_relative(getconf_str(CNF_LOGDIR));
olddir = vstralloc(conf_logdir, "/oldlog", NULL);
if (mkpdir(olddir, 0700, (uid_t)-1, (gid_t)-1) != 0) {
error(_("could not create parents of %s: %s"), olddir, strerror(errno));
/*NOTREACHED*/
}
if (mkdir(olddir, 0700) != 0 && errno != EEXIST) {
error(_("could not create %s: %s"), olddir, strerror(errno));
/*NOTREACHED*/
}
if (stat(olddir,&stat_old) == -1) {
error(_("can't stat oldlog directory \"%s\": %s"), olddir, strerror(errno));
/*NOTREACHED*/
}
if (!S_ISDIR(stat_old.st_mode)) {
error(_("Oldlog directory \"%s\" is not a directory"), olddir);
/*NOTREACHED*/
}
if ((dir = opendir(conf_logdir)) == NULL) {
error(_("could not open log directory \"%s\": %s"), conf_logdir,strerror(errno));
/*NOTREACHED*/
}
while ((adir=readdir(dir)) != NULL) {
if(strncmp(adir->d_name,"log.",4)==0) {
useful=0;
for (name=output_find_log;*name !=NULL; name++) {
if((strlen(adir->d_name) >= 13 &&
strlen(*name) >= 13 &&
adir->d_name[12] == '.' && (*name)[12] == '.' &&
strncmp(adir->d_name,*name,12)==0) ||
strncmp(adir->d_name,*name,18)==0) {
useful=1;
break;
}
}
logname=newvstralloc(logname,
conf_logdir, "/" ,adir->d_name, NULL);
if(stat(logname,&stat_log)==0) {
if((time_t)stat_log.st_mtime > date_keep) {
useful = 1;
}
}
if(useful == 0) {
oldfile = newvstralloc(oldfile,
conf_logdir, "/", adir->d_name, NULL);
newfile = newvstralloc(newfile,
olddir, "/", adir->d_name, NULL);
if (rename(oldfile,newfile) != 0) {
error(_("could not rename \"%s\" to \"%s\": %s"),
oldfile, newfile, strerror(errno));
/*NOTREACHED*/
}
}
}
}
closedir(dir);
for (name = output_find_log; *name != NULL; name++) {
amfree(*name);
}
amfree(output_find_log);
amfree(logname);
amfree(oldfile);
amfree(newfile);
amfree(olddir);
amfree(conf_logdir);
clear_tapelist();
free_disklist(&diskl);
dbclose();
return 0;
}