-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
/***
This file is part of systemd.
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <stdio.h>
-
-#include "conf-parser.h"
-#include "sleep-config.h"
+//#include <errno.h>
+//#include <stdbool.h>
+//#include <stddef.h>
+//#include <stdio.h>
+//#include <string.h>
+//#include <syslog.h>
+//#include <unistd.h>
+
+#include "alloc-util.h"
+//#include "conf-parser.h"
+//#include "def.h"
+//#include "env-util.h"
+#include "fd-util.h"
#include "fileio.h"
-#include "log.h"
+//#include "log.h"
+//#include "macro.h"
+#include "parse-util.h"
+#include "sleep-config.h"
+#include "string-util.h"
#include "strv.h"
-#include "util.h"
-int parse_sleep_config(const char *verb, char ***modes, char ***states) {
+#if 0 /// UNNEEDED by elogind
+#define USE(x, y) do { (x) = (y); (y) = NULL; } while (0)
+
+int parse_sleep_config(const char *verb, char ***_modes, char ***_states) {
+
_cleanup_strv_free_ char
**suspend_mode = NULL, **suspend_state = NULL,
**hibernate_mode = NULL, **hibernate_state = NULL,
**hybrid_mode = NULL, **hybrid_state = NULL;
+ char **modes, **states;
const ConfigTableItem items[] = {
{ "Sleep", "SuspendMode", config_parse_strv, 0, &suspend_mode },
{ "Sleep", "HibernateState", config_parse_strv, 0, &hibernate_state },
{ "Sleep", "HybridSleepMode", config_parse_strv, 0, &hybrid_mode },
{ "Sleep", "HybridSleepState", config_parse_strv, 0, &hybrid_state },
- {}};
+ {}
+ };
- int r;
- FILE _cleanup_fclose_ *f;
-
- f = fopen(PKGSYSCONFDIR "/sleep.conf", "re");
- if (!f)
- log_full(errno == ENOENT ? LOG_DEBUG: LOG_WARNING,
- "Failed to open configuration file " PKGSYSCONFDIR "/sleep.conf: %m");
- else {
- r = config_parse(NULL, PKGSYSCONFDIR "/sleep.conf", f, "Sleep\0",
- config_item_table_lookup, (void*) items, false, false, NULL);
- if (r < 0)
- log_warning("Failed to parse configuration file: %s", strerror(-r));
- }
+ config_parse_many_nulstr(PKGSYSCONFDIR "/sleep.conf",
+ CONF_PATHS_NULSTR("systemd/sleep.conf.d"),
+ "Sleep\0", config_item_table_lookup, items,
+ false, NULL);
if (streq(verb, "suspend")) {
/* empty by default */
- *modes = suspend_mode;
+ USE(modes, suspend_mode);
if (suspend_state)
- *states = suspend_state;
+ USE(states, suspend_state);
else
- *states = strv_split_nulstr("mem\0standby\0freeze\0");
+ states = strv_new("mem", "standby", "freeze", NULL);
- suspend_mode = suspend_state = NULL;
} else if (streq(verb, "hibernate")) {
if (hibernate_mode)
- *modes = hibernate_mode;
+ USE(modes, hibernate_mode);
else
- *modes = strv_split_nulstr("platform\0shutdown\0");
+ modes = strv_new("platform", "shutdown", NULL);
if (hibernate_state)
- *states = hibernate_state;
+ USE(states, hibernate_state);
else
- *states = strv_split_nulstr("disk\0");
+ states = strv_new("disk", NULL);
- hibernate_mode = hibernate_state = NULL;
} else if (streq(verb, "hybrid-sleep")) {
if (hybrid_mode)
- *modes = hybrid_mode;
+ USE(modes, hybrid_mode);
else
- *modes = strv_split_nulstr("suspend\0platform\0shutdown\0");
+ modes = strv_new("suspend", "platform", "shutdown", NULL);
if (hybrid_state)
- *states = hybrid_state;
+ USE(states, hybrid_state);
else
- *states = strv_split_nulstr("disk\0");
+ states = strv_new("disk", NULL);
- hybrid_mode = hybrid_state = NULL;
} else
assert_not_reached("what verb");
- if (!modes || !states) {
- strv_free(*modes);
- strv_free(*states);
+ if ((!modes && !streq(verb, "suspend")) || !states) {
+ strv_free(modes);
+ strv_free(states);
return log_oom();
}
+ *_modes = modes;
+ *_states = states;
return 0;
}
+#endif // 0
+#if 1 /// Only available in this file for elogind
+static
+#endif // 0
int can_sleep_state(char **types) {
- char *w, *state, **type;
+ char **type;
int r;
_cleanup_free_ char *p = NULL;
return false;
STRV_FOREACH(type, types) {
+ const char *word, *state;
size_t l, k;
k = strlen(*type);
- FOREACH_WORD_SEPARATOR(w, l, p, WHITESPACE, state)
- if (l == k && memcmp(w, *type, l) == 0)
+ FOREACH_WORD_SEPARATOR(word, l, p, WHITESPACE, state)
+ if (l == k && memcmp(word, *type, l) == 0)
return true;
}
return false;
}
+#if 1 /// Only available in this file for elogind
+static
+#endif // 0
int can_sleep_disk(char **types) {
- char *w, *state, **type;
+ char **type;
int r;
_cleanup_free_ char *p = NULL;
return false;
STRV_FOREACH(type, types) {
+ const char *word, *state;
size_t l, k;
k = strlen(*type);
- FOREACH_WORD_SEPARATOR(w, l, p, WHITESPACE, state) {
- if (l == k && memcmp(w, *type, l) == 0)
+ FOREACH_WORD_SEPARATOR(word, l, p, WHITESPACE, state) {
+ if (l == k && memcmp(word, *type, l) == 0)
return true;
- if (l == k + 2 && w[0] == '[' && memcmp(w + 1, *type, l - 2) == 0 && w[l-1] == ']')
+ if (l == k + 2 &&
+ word[0] == '[' &&
+ memcmp(word + 1, *type, l - 2) == 0 &&
+ word[l-1] == ']')
return true;
}
}
static int hibernation_partition_size(size_t *size, size_t *used) {
_cleanup_fclose_ FILE *f;
- int i;
+ unsigned i;
assert(size);
assert(used);
- f = fopen("/proc/swaps", "r");
+ f = fopen("/proc/swaps", "re");
if (!f) {
log_full(errno == ENOENT ? LOG_DEBUG : LOG_WARNING,
"Failed to retrieve open /proc/swaps: %m");
(void) fscanf(f, "%*s %*s %*s %*s %*s\n");
for (i = 1;; i++) {
- _cleanup_free_ char *dev = NULL, *d = NULL, *type = NULL;
+ _cleanup_free_ char *dev = NULL, *type = NULL;
size_t size_field, used_field;
int k;
k = fscanf(f,
"%ms " /* device/file */
"%ms " /* type of swap */
- "%zd " /* swap size */
- "%zd " /* used */
+ "%zu " /* swap size */
+ "%zu " /* used */
"%*i\n", /* priority */
&dev, &type, &size_field, &used_field);
if (k != 4) {
continue;
}
- d = cunescape(dev);
- if (!d)
- return -ENOMEM;
-
- if (!streq(type, "partition") && !streq(type, "file")) {
- log_debug("Partition %s has type %s, ignoring.", d, type);
+ if (streq(type, "partition") && endswith(dev, "\\040(deleted)")) {
+ log_warning("Ignoring deleted swapfile '%s'.", dev);
continue;
}
static bool enough_memory_for_hibernation(void) {
_cleanup_free_ char *active = NULL;
- unsigned long long act;
- size_t size, used;
+ unsigned long long act = 0;
+ size_t size = 0, used = 0;
int r;
+#if 0 /// elogind does not allow any bypass, we are never init!
+ if (getenv_bool("SYSTEMD_BYPASS_HIBERNATION_MEMORY_CHECK") > 0)
+ return true;
+#endif // 0
+
r = hibernation_partition_size(&size, &used);
if (r < 0)
return false;
- r = get_status_field("/proc/meminfo", "\nActive(anon):", &active);
+ r = get_proc_field("/proc/meminfo", "Active(anon)", WHITESPACE, &active);
if (r < 0) {
- log_error("Failed to retrieve Active(anon) from /proc/meminfo: %s", strerror(-r));
+ log_error_errno(r, "Failed to retrieve Active(anon) from /proc/meminfo: %m");
return false;
}
r = safe_atollu(active, &act);
if (r < 0) {
- log_error("Failed to parse Active(anon) from /proc/meminfo: %s: %s",
- active, strerror(-r));
+ log_error_errno(r, "Failed to parse Active(anon) from /proc/meminfo: %s: %m",
+ active);
return false;
}
return r;
}
+#if 0 /// elogind has to do, or better, *can* do it differently
int can_sleep(const char *verb) {
_cleanup_strv_free_ char **modes = NULL, **states = NULL;
int r;
return streq(verb, "suspend") || enough_memory_for_hibernation();
}
+#else
+int can_sleep(Manager *m, const char *verb) {
+
+ assert(streq(verb, "suspend") ||
+ streq(verb, "hibernate") ||
+ streq(verb, "hybrid-sleep"));
+
+ if ( streq(verb, "suspend")
+ && ( !can_sleep_state(m->suspend_state)
+ || !can_sleep_disk(m->suspend_mode) ) )
+ return false;
+
+ if ( streq(verb, "hibernate")
+ && ( !can_sleep_state(m->hibernate_state)
+ || !can_sleep_disk(m->hibernate_mode) ) )
+ return false;
+
+ if ( streq(verb, "hybrid-sleep")
+ && ( !can_sleep_state(m->hybrid_sleep_state)
+ || !can_sleep_disk(m->hybrid_sleep_mode) ) )
+ return false;
+
+
+ return streq(verb, "suspend") || enough_memory_for_hibernation();
+}
+#endif // 0