sbin/hammer2/cmd_stat.c

   1 /*
   2  * Copyright (c) 2011-2012 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Matthew Dillon <dillon@dragonflybsd.org>
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  * 3. Neither the name of The DragonFly Project nor the names of its
  18  *    contributors may be used to endorse or promote products derived
  19  *    from this software without specific, prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #include "hammer2.h"
  36
  37 static const char *compmodestr(uint8_t comp_algo);
  38 static const char *checkmodestr(uint8_t comp_algo);
  39
  40 /*
  41  * Should be run as root.  Creates /etc/hammer2/rsa.{pub,prv} using
  42  * an openssl command.
  43  */
  44 int
  45 cmd_stat(int ac, const char **av)
  46 {
  47         hammer2_ioc_inode_t ino;
  48         const char *cdir = ".";
  49         int ec = 0;
  50         int w;
  51         int i;
  52         int fd;
  53
  54         if (ac == 0) {
  55                 ac = 1;
  56                 av = &cdir;
  57         }
  58         for (i = w = 0; i < ac; ++i) {
  59                 if (w < (int)strlen(av[i]))
  60                         w = (int)strlen(av[i]);
  61         }
  62         if (w < 16)
  63                 w = 16;
  64         printf("%-*.*s ncp  data-use inode-use comp kaddr\n", w, w, "PATH");
  65         for (i = 0; i < ac; ++i) {
  66                 if ((fd = open(av[i], O_RDONLY)) < 0) {
  67                         fprintf(stderr, "%s: %s\n", av[i], strerror(errno));
  68                         ec = 1;
  69                         continue;
  70                 }
  71                 if (ioctl(fd, HAMMER2IOC_INODE_GET, &ino) < 0) {
  72                         fprintf(stderr, "%s: %s\n", av[i], strerror(errno));
  73                         ec = 1;
  74                         continue;
  75                 }
  76                 printf("%-*.*s ", w, w, av[i]);
  77                 printf("%3d ", ino.ip_data.meta.ncopies);
  78                 printf("%9s ", sizetostr(ino.data_count));
  79                 printf("%9s ", counttostr(ino.inode_count));
  80                 /*printf("%p ", ino.kdata); debugging */
  81                 printf("comp=%s ", compmodestr(ino.ip_data.meta.comp_algo));
  82                 printf("check=%s ", checkmodestr(ino.ip_data.meta.check_algo));
  83                 if (ino.ip_data.meta.data_quota ||
  84                     ino.ip_data.meta.inode_quota) {
  85                         printf(" quota ");
  86                         printf("%12s",
  87                                 sizetostr(ino.ip_data.meta.data_quota));
  88                         printf("/%-12s",
  89                                 counttostr(ino.ip_data.meta.inode_quota));
  90                 }
  91                 printf("\n");
  92         }
  93         return ec;
  94 }
  95
  96 static
  97 const char *
  98 compmodestr(uint8_t comp_algo)
  99 {
 100         static char buf[64];
 101         static const char *comps[] = HAMMER2_COMP_STRINGS;
 102         int comp = HAMMER2_DEC_ALGO(comp_algo);
 103         int level = HAMMER2_DEC_LEVEL(comp_algo);
 104
 105         if (level) {
 106                 if (comp >= 0 && comp < HAMMER2_COMP_STRINGS_COUNT)
 107                         snprintf(buf, sizeof(buf), "%s:%d",
 108                                  comps[comp], level);
 109                 else
 110                         snprintf(buf, sizeof(buf), "unknown(%d):%d",
 111                                  comp, level);
 112         } else {
 113                 if (comp >= 0 && comp < HAMMER2_COMP_STRINGS_COUNT)
 114                         snprintf(buf, sizeof(buf), "%s:default",
 115                                  comps[comp]);
 116                 else
 117                         snprintf(buf, sizeof(buf), "unknown(%d):default",
 118                                  comp);
 119         }
 120         return (buf);
 121 }
 122
 123 static
 124 const char *
 125 checkmodestr(uint8_t check_algo)
 126 {
 127         static char buf[64];
 128         static const char *checks[] = HAMMER2_CHECK_STRINGS;
 129         int check = HAMMER2_DEC_ALGO(check_algo);
 130         int level = HAMMER2_DEC_LEVEL(check_algo);
 131
 132         /*
 133          * NOTE: Check algorithms normally do not encode any level.
 134          */
 135         if (level) {
 136                 if (check >= 0 && check < HAMMER2_CHECK_STRINGS_COUNT)
 137                         snprintf(buf, sizeof(buf), "%s:%d",
 138                                  checks[check], level);
 139                 else
 140                         snprintf(buf, sizeof(buf), "unknown(%d):%d",
 141                                  check, level);
 142         } else {
 143                 if (check >= 0 && check < HAMMER2_CHECK_STRINGS_COUNT)
 144                         snprintf(buf, sizeof(buf), "%s", checks[check]);
 145                 else
 146                         snprintf(buf, sizeof(buf), "unknown(%d)", check);
 147         }
 148         return (buf);
 149 }