ui/ncurses: Abstract text-screen code from sysinfo screen
[petitboot] / 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 struct nc_scr *sysinfo_screen_scr(struct sysinfo_screen *screen)
38 {
39         return text_screen_scr(&screen->text_scr);
40 }
41
42 static void if_info_mac_str(struct interface_info *info,
43                 char *buf, unsigned int buflen)
44 {
45         return mac_str(info->hwaddr, info->hwaddr_size, buf, buflen);
46 }
47
48 static void sysinfo_screen_populate(struct sysinfo_screen *screen,
49                 const struct system_info *sysinfo)
50 {
51         unsigned int i;
52
53         text_screen_clear(&screen->text_scr);
54
55 #define line(...) text_screen_append_line(&screen->text_scr, __VA_ARGS__)
56         if (!sysinfo) {
57                 line("Waiting for system information...");
58                 return;
59         }
60
61         line("%-12s %s", "System type:", sysinfo->type ?: "");
62         line("%-12s %s", "System id:",   sysinfo->identifier ?: "");
63
64         if (sysinfo->n_blockdevs) {
65                 line(NULL);
66                 line("Storage devices");
67         }
68
69         for (i = 0; i < sysinfo->n_blockdevs; i++) {
70                 struct blockdev_info *info = sysinfo->blockdevs[i];
71
72                 line("%s:", info->name);
73                 line(" UUID:       %s", info->uuid);
74                 line(" mounted at: %s", info->mountpoint);
75                 line(NULL);
76         }
77
78         if (sysinfo->n_interfaces) {
79                 line(NULL);
80                 line("Network interfaces");
81         }
82
83         for (i = 0; i < sysinfo->n_interfaces; i++) {
84                 struct interface_info *info = sysinfo->interfaces[i];
85                 char macbuf[32];
86
87                 if_info_mac_str(info, macbuf, sizeof(macbuf));
88
89                 line("%s:", info->name);
90                 line(" MAC:  %s", macbuf);
91                 line(" link: %s", info->link ? "up" : "down");
92                 line(NULL);
93         }
94
95 #undef line
96 }
97
98 void sysinfo_screen_update(struct sysinfo_screen *screen,
99                 const struct system_info *sysinfo)
100 {
101         sysinfo_screen_populate(screen, sysinfo);
102         text_screen_draw(&screen->text_scr);
103 }
104
105 struct sysinfo_screen *sysinfo_screen_init(struct cui *cui,
106                 const struct system_info *sysinfo,
107                 void (*on_exit)(struct cui *))
108 {
109         struct sysinfo_screen *screen;
110
111         screen = talloc_zero(cui, struct sysinfo_screen);
112         text_screen_init(&screen->text_scr, cui,
113                         "Petitboot System Information", on_exit);
114
115         sysinfo_screen_update(screen, sysinfo);
116
117         return screen;
118 }