data/src/create_pmxcfs_db.c

   1 /*
   2   Copyright (C) 2010-2012 Proxmox Server Solutions GmbH
   3
   4   This program is free software: you can redistribute it and/or modify
   5   it under the terms of the GNU Affero General Public License as published by
   6   the Free Software Foundation, either version 3 of the License, or
   7   (at your option) any later version.
   8
   9   This program is distributed in the hope that it will be useful,
  10   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12   GNU Affero General Public License for more details.
  13
  14   You should have received a copy of the GNU Affero General Public License
  15   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17   Author: Dietmar Maurer <dietmar@proxmox.com>
  18
  19   Note: we use this with the installer to create the initial db
  20   without starting pmxcfs/fuse
  21 */
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <glib.h>
  26 #include <errno.h>
  27 #include <string.h>
  28 #include <check.h>
  29 #include <errno.h>
  30 #include <unistd.h>
  31 #include <sys/types.h>
  32 #include <dirent.h>
  33
  34 #include "cfs-utils.h"
  35 #include "status.h"
  36 #include "memdb.h"
  37
  38 cfs_t cfs = {
  39         .debug = 0,
  40         .nodename = "dummy",
  41 };
  42
  43 static memdb_t *memdb;
  44
  45 static void
  46 usage_error(void)
  47 {
  48         fprintf(stderr, "Usage: create_pmxcfs_db /a/dir /a/filename.db\n");
  49         exit(-1);
  50 }
  51
  52 int
  53 main(int argc, char *argv[])
  54 {
  55         cfs_status_init();
  56
  57         if (argc != 3) {
  58                 usage_error();
  59         }
  60
  61         const char *dir_name = argv[1];
  62         const char *dbfile = argv[2];
  63
  64         DIR *dh = opendir(dir_name);
  65         if (!dh) {
  66                 perror("unable to open dir");
  67                 exit(-1);
  68         }
  69         memdb = memdb_open(dbfile);
  70
  71         struct dirent *de;
  72         time_t ctime = time(NULL);
  73
  74         while((de = readdir(dh))) {
  75                 if (de->d_type != DT_REG) {
  76                         continue;
  77                 }
  78
  79                 char *cdata = NULL;
  80                 gsize clen = 0;
  81                 char *fn = g_strdup_printf("%s/%s", dir_name, de->d_name);
  82                 if (g_file_get_contents(fn, &cdata, &clen, NULL)) {
  83                         //printf("FOUND %ld %s\n", clen, fn);
  84                         if (memdb_create(memdb, de->d_name, 0, ctime) != 0) {
  85                                 fprintf(stderr, "memdb_create '%s' failed\n", de->d_name);
  86                                 exit(-1);
  87                         }
  88                         if (memdb_write(memdb, de->d_name, 0, ctime, cdata, clen, 0, 1) != clen) {
  89                                 fprintf(stderr, "memdb_write '%s' failed\n", de->d_name);
  90                                 exit(-1);
  91                         }
  92
  93                 }
  94                 g_free(fn);
  95         }
  96
  97         memdb_close(memdb);
  98
  99         closedir(dh);
 100 }