src/test/test-sleep.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright 2012 Lennart Poettering
   4 ***/
   5
   6 #include <linux/fiemap.h>
   7 #include <stdio.h>
   8
   9 #include "fd-util.h"
  10 #include "log.h"
  11 #include "sleep-config.h"
  12 #include "strv.h"
  13 #include "util.h"
  14
  15 static void test_parse_sleep_config(void) {
  16         const char *verb;
  17
  18         FOREACH_STRING(verb, "suspend", "hibernate", "hybrid-sleep", "suspend-then-hibernate")
  19                 assert_se(parse_sleep_config(verb, NULL, NULL, NULL) == 0);
  20 }
  21
  22 static int test_fiemap(const char *path) {
  23         _cleanup_free_ struct fiemap *fiemap = NULL;
  24         _cleanup_close_ int fd = -1;
  25         int r;
  26
  27         fd = open(path, O_RDONLY | O_CLOEXEC | O_NONBLOCK);
  28         if (fd < 0)
  29                 return log_error_errno(errno, "failed to open %s: %m", path);
  30         r = read_fiemap(fd, &fiemap);
  31         if (r == -EOPNOTSUPP) {
  32                 log_info("Skipping test, not supported");
  33                 exit(EXIT_TEST_SKIP);
  34         }
  35         if (r < 0)
  36                 return log_error_errno(r, "Unable to read extent map for '%s': %m", path);
  37         log_info("extent map information for %s:", path);
  38         log_info("\t start: %llu", fiemap->fm_start);
  39         log_info("\t length: %llu", fiemap->fm_length);
  40         log_info("\t flags: %u", fiemap->fm_flags);
  41         log_info("\t number of mapped extents: %u", fiemap->fm_mapped_extents);
  42         log_info("\t extent count: %u", fiemap->fm_extent_count);
  43         if (fiemap->fm_extent_count > 0)
  44                 log_info("\t first extent location: %llu",
  45                          fiemap->fm_extents[0].fe_physical / page_size());
  46
  47         return 0;
  48 }
  49
  50 static void test_sleep(void) {
  51         _cleanup_strv_free_ char
  52                 **standby = strv_new("standby", NULL),
  53                 **mem = strv_new("mem", NULL),
  54                 **disk = strv_new("disk", NULL),
  55                 **suspend = strv_new("suspend", NULL),
  56                 **reboot = strv_new("reboot", NULL),
  57                 **platform = strv_new("platform", NULL),
  58                 **shutdown = strv_new("shutdown", NULL),
  59                 **freez = strv_new("freeze", NULL);
  60         int r;
  61
  62         log_info("/* configuration */");
  63         log_info("Standby configured: %s", yes_no(can_sleep_state(standby) > 0));
  64         log_info("Suspend configured: %s", yes_no(can_sleep_state(mem) > 0));
  65         log_info("Hibernate configured: %s", yes_no(can_sleep_state(disk) > 0));
  66         log_info("Hibernate+Suspend (Hybrid-Sleep) configured: %s", yes_no(can_sleep_disk(suspend) > 0));
  67         log_info("Hibernate+Reboot configured: %s", yes_no(can_sleep_disk(reboot) > 0));
  68         log_info("Hibernate+Platform configured: %s", yes_no(can_sleep_disk(platform) > 0));
  69         log_info("Hibernate+Shutdown configured: %s", yes_no(can_sleep_disk(shutdown) > 0));
  70         log_info("Freeze configured: %s", yes_no(can_sleep_state(freez) > 0));
  71
  72         log_info("/* running system */");
  73         r = can_sleep("suspend");
  74         log_info("Suspend configured and possible: %s", r >= 0 ? yes_no(r) : strerror(-r));
  75         r = can_sleep("hibernate");
  76         log_info("Hibernation configured and possible: %s", r >= 0 ? yes_no(r) : strerror(-r));
  77         r = can_sleep("hybrid-sleep");
  78         log_info("Hybrid-sleep configured and possible: %s", r >= 0 ? yes_no(r) : strerror(-r));
  79         r = can_sleep("suspend-then-hibernate");
  80         log_info("Suspend-then-Hibernate configured and possible: %s", r >= 0 ? yes_no(r) : strerror(-r));
  81 }
  82
  83 int main(int argc, char* argv[]) {
  84         int i, r = 0, k;
  85
  86         log_parse_environment();
  87         log_open();
  88
  89         if (getuid() != 0)
  90                 log_warning("This program is unlikely to work for unprivileged users");
  91
  92         test_parse_sleep_config();
  93         test_sleep();
  94
  95         if (argc <= 1)
  96                 assert_se(test_fiemap(argv[0]) == 0);
  97         else
  98                 for (i = 1; i < argc; i++) {
  99                         k = test_fiemap(argv[i]);
 100                         if (r == 0)
 101                                 r = k;
 102                 }
 103
 104         return r;
 105 }