git.ozlabs.org Git - petitboot/blob - ui/ncurses/nc-sysinfo.c

   1 /*
   2  *  Copyright (C) 2013 IBM Corporation
   3  *
   4  *  This program is free software; you can redistribute it and/or modify
   5  *  it under the terms of the GNU General Public License as published by
   6  *  the Free Software Foundation; version 2 of the License.
   7  *
   8  *  This program is distributed in the hope that it will be useful,
   9  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *  GNU General Public License for more details.
  12  *
  13  *  You should have received a copy of the GNU General Public License
  14  *  along with this program; if not, write to the Free Software
  15  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  16  */
  17
  18 #if defined(HAVE_CONFIG_H)
  19 #include "config.h"
  20 #endif
  21
  22 #include <string.h>
  23
  24 #include <talloc/talloc.h>
  25 #include <types/types.h>
  26 #include <log/log.h>
  27 #include <util/util.h>
  28
  29 #include "nc-cui.h"
  30 #include "nc-textscreen.h"
  31 #include "nc-sysinfo.h"
  32
  33 struct sysinfo_screen {
  34         struct text_screen text_scr;
  35 };
  36
  37 extern const char *sysinfo_help_text;
  38
  39 struct nc_scr *sysinfo_screen_scr(struct sysinfo_screen *screen)
  40 {
  41         return text_screen_scr(&screen->text_scr);
  42 }
  43
  44 static void if_info_mac_str(struct interface_info *info,
  45                 char *buf, unsigned int buflen)
  46 {
  47         return mac_str(info->hwaddr, info->hwaddr_size, buf, buflen);
  48 }
  49
  50 static void sysinfo_screen_populate(struct sysinfo_screen *screen,
  51                 const struct system_info *sysinfo)
  52 {
  53         unsigned int i;
  54
  55         text_screen_clear(&screen->text_scr);
  56
  57 #define line(...) text_screen_append_line(&screen->text_scr, __VA_ARGS__)
  58         if (!sysinfo) {
  59                 line("Waiting for system information...");
  60                 return;
  61         }
  62
  63         line("%-12s %s", "System type:", sysinfo->type ?: "");
  64         line("%-12s %s", "System id:",   sysinfo->identifier ?: "");
  65
  66         if (sysinfo->n_blockdevs) {
  67                 line(NULL);
  68                 line("Storage devices");
  69         }
  70
  71         for (i = 0; i < sysinfo->n_blockdevs; i++) {
  72                 struct blockdev_info *info = sysinfo->blockdevs[i];
  73
  74                 line("%s:", info->name);
  75                 line(" UUID:       %s", info->uuid);
  76                 line(" mounted at: %s", info->mountpoint);
  77                 line(NULL);
  78         }
  79
  80         if (sysinfo->n_interfaces) {
  81                 line(NULL);
  82                 line("Network interfaces");
  83         }
  84
  85         for (i = 0; i < sysinfo->n_interfaces; i++) {
  86                 struct interface_info *info = sysinfo->interfaces[i];
  87                 char macbuf[32];
  88
  89                 if_info_mac_str(info, macbuf, sizeof(macbuf));
  90
  91                 line("%s:", info->name);
  92                 line(" MAC:  %s", macbuf);
  93                 line(" link: %s", info->link ? "up" : "down");
  94                 line(NULL);
  95         }
  96
  97 #undef line
  98 }
  99
 100 void sysinfo_screen_update(struct sysinfo_screen *screen,
 101                 const struct system_info *sysinfo)
 102 {
 103         sysinfo_screen_populate(screen, sysinfo);
 104         text_screen_draw(&screen->text_scr);
 105 }
 106
 107 struct sysinfo_screen *sysinfo_screen_init(struct cui *cui,
 108                 const struct system_info *sysinfo,
 109                 void (*on_exit)(struct cui *))
 110 {
 111         struct sysinfo_screen *screen;
 112
 113         screen = talloc_zero(cui, struct sysinfo_screen);
 114         text_screen_init(&screen->text_scr, cui,
 115                         "Petitboot System Information", on_exit);
 116         text_screen_set_help(&screen->text_scr,
 117                         "System Information", sysinfo_help_text);
 118
 119         sysinfo_screen_update(screen, sysinfo);
 120
 121         return screen;
 122 }