src/test/test-sleep.c

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