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1 office 1 /**
2 * @file reboot.c
3 * @author Ambroz Bizjak <ambrop7@gmail.com>
4 *
5 * @section LICENSE
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of the author nor the
15 * names of its contributors may be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * @section DESCRIPTION
30 *
31 * Synopsis:
32 * hard_reboot()
33 * hard_poweroff()
34 */
35  
36 #include <unistd.h>
37 #include <sys/reboot.h>
38  
39 #include <ncd/module_common.h>
40  
41 #include <generated/blog_channel_ncd_reboot.h>
42  
43 static void func_new_hard_reboot (void *unused, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
44 {
45 // check arguments
46 if (!NCDVal_ListRead(params->args, 0)) {
47 ModuleLog(i, BLOG_ERROR, "wrong arity");
48 goto fail0;
49 }
50  
51 // reboot
52 if (reboot(RB_AUTOBOOT) < 0) {
53 ModuleLog(i, BLOG_ERROR, "reboot(RB_AUTOBOOT) failed");
54 goto fail0;
55 }
56  
57 // signal up
58 NCDModuleInst_Backend_Up(i);
59 return;
60  
61 fail0:
62 NCDModuleInst_Backend_DeadError(i);
63 }
64  
65 static void func_new_hard_poweroff (void *unused, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
66 {
67 // check arguments
68 if (!NCDVal_ListRead(params->args, 0)) {
69 ModuleLog(i, BLOG_ERROR, "wrong arity");
70 goto fail0;
71 }
72  
73 // power off
74 if (reboot(RB_POWER_OFF) < 0) {
75 ModuleLog(i, BLOG_ERROR, "reboot(RB_POWER_OFF) failed");
76 goto fail0;
77 }
78  
79 // signal up
80 NCDModuleInst_Backend_Up(i);
81 return;
82  
83 fail0:
84 NCDModuleInst_Backend_DeadError(i);
85 }
86  
87 static struct NCDModule modules[] = {
88 {
89 .type = "hard_reboot",
90 .func_new2 = func_new_hard_reboot
91 }, {
92 .type = "hard_poweroff",
93 .func_new2 = func_new_hard_poweroff
94 }, {
95 .type = NULL
96 }
97 };
98  
99 const struct NCDModuleGroup ncdmodule_reboot = {
100 .modules = modules
101 };