static bool enough_memory_for_hibernation(void) {
_cleanup_free_ char *active = NULL;
unsigned long long act = 0;
size_t size = 0, used = 0;
int r;
r = hibernation_partition_size(&size, &used);
if (r < 0)
return false;
r = get_status_field("/proc/meminfo", "\nActive(anon):", &active);
if (r < 0) {
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_errno(r, "Failed to parse Active(anon) from /proc/meminfo: %s: %m",
active);
return false;
}
r = act <= (size - used) * HIBERNATION_SWAP_THRESHOLD;
log_debug("Hibernation is %spossible, Active(anon)=%llu kB, size=%zu kB, used=%zu kB, threshold=%.2g%%",
r ? "" : "im", act, size, used, 100*HIBERNATION_SWAP_THRESHOLD);
return r;
}
/* Get the process status char of the given process (e.g. 'R' for Running, 'T' for stopped, 'Z' for zombie, etc). On
* failure return '?'. */
char procfs_pid_state(pid_t pid, pid_t tid) {
char * val = get_status_field(pid, tid, "State");
if (val) {
return val[0];
free(val);
} else
return '?';
}
/* Get the value of the given field from a /proc/.../status file and convert it to an unsigned int.
* Return success flag.*/
static bool get_status_field_uint(pid_t pid, pid_t tid, const char * field, unsigned int * result) {
char * str;
long int val;
int success;
if (!(str = get_status_field(pid, tid, field))) {
*result = 0;
return 0;
}
val = strtol(str, NULL, 0);
success = (val >= 0) && ((unsigned long) val <= UINT_MAX);
if (success)
*result = (unsigned int) val;
else {
error("Value of '%s' of thread %d:%d is out of range.", field, pid, tid);
*result = 0;
}
return success;
}
apps_info_t *get_apps_list(char *argv) {
apps_info_t *apps_info_list = NULL, **follow_apps_info_list = NULL, *follow_apps_info;
char *apps_info;
char *pkg_head, *pkg_tail;
char info_name[128];
FILE *fp;
unsigned long file_size = 0;
int pid;
char *cmd[] = {"app_update.sh", NULL};
char line[128], buf[4096];
char *tmp_apps_name;
int got_apps;
char *STATUS;
if(!argv || strcmp(argv, APP_OWNER_OTHERS)) {
// Get the newest version of the installed packages,
// and information of the non-installed packages from APPS_LIST_ASUS.
if((fp = fopen(APPS_LIST_ASUS, "r")) == NULL)
return apps_info_list;
fseek(fp, 0, SEEK_END);
file_size = ftell(fp);
fseek(fp, 0, SEEK_SET);
if(file_size <= 0) {
_dprintf("httpd: get the Zero size of the ASUS APP list.\n");
fclose(fp);
_eval(cmd, NULL, 0, &pid);
return apps_info_list;
}
memset(line, 0, sizeof(line));
while(fgets(line, 128, fp) != NULL) {
if((tmp_apps_name = get_status_field(line, FIELD_PACKAGE)) == NULL)
continue;
memset(buf, 0, sizeof(buf));
pkg_tail = pkg_head = buf;
do {
sprintf(pkg_tail, "%s", line);
pkg_tail += strlen(line);
memset(line, 0, sizeof(line));
} while(fgets(line, 128, fp) != NULL && strlen(line) > 1);
follow_apps_info = apps_info_list;
got_apps = 0;
while(follow_apps_info != NULL) {
if(!strcmp(follow_apps_info->name, tmp_apps_name)) {
got_apps = 1;
break;
}
follow_apps_info = follow_apps_info->next;
}
free(tmp_apps_name);
// Installed package.
if(got_apps) {
follow_apps_info->new_version = get_status_field(pkg_head, FIELD_VERSION);
follow_apps_info->new_optional_utility = get_status_field(pkg_head, FIELD_OPTIONALUTILITY);
follow_apps_info->new_file_name = get_status_field(pkg_head, FIELD_FILENAME);
if(follow_apps_info->from_owner != NULL)
free(follow_apps_info->from_owner);
follow_apps_info->from_owner = alloc_string(APP_OWNER_ASUS);
}
// Non-installed package.
else {
follow_apps_info_list = &apps_info_list;
while(*follow_apps_info_list != NULL)
follow_apps_info_list = &((*follow_apps_info_list)->next);
*follow_apps_info_list = initial_apps_data();
(*follow_apps_info_list)->name = get_status_field(pkg_head, FIELD_PACKAGE);
(*follow_apps_info_list)->new_version = get_status_field(pkg_head, FIELD_VERSION);
(*follow_apps_info_list)->installed = alloc_string(FIELD_NO);
(*follow_apps_info_list)->enabled = alloc_string(FIELD_NO);
(*follow_apps_info_list)->source = get_status_field(pkg_head, FIELD_SOURCE);
(*follow_apps_info_list)->url = get_status_field(pkg_head, FIELD_URL);
(*follow_apps_info_list)->description = get_status_field(pkg_head, FIELD_DESCRIPTION);
(*follow_apps_info_list)->depends = get_status_field(pkg_head, FIELD_DEPENDS);
(*follow_apps_info_list)->new_optional_utility = get_status_field(pkg_head, FIELD_OPTIONALUTILITY);
(*follow_apps_info_list)->help_path = get_status_field(pkg_head, FIELD_HELPPATH);
(*follow_apps_info_list)->new_file_name = get_status_field(pkg_head, FIELD_FILENAME);
(*follow_apps_info_list)->from_owner = alloc_string(APP_OWNER_ASUS);
}
memset(line, 0, sizeof(line));
}
fclose(fp);
}
if(!argv || strcmp(argv, APP_OWNER_ASUS)) {
// Get the newest version of the installed packages,
// and information of the non-installed packages from APPS_LIST_OLEG.
if((fp = fopen(APPS_LIST_OLEG, "r")) == NULL)
return apps_info_list;
fseek(fp, 0, SEEK_END);
file_size = ftell(fp);
fseek(fp, 0, SEEK_SET);
if(file_size <= 0) {
_dprintf("httpd: get the Zero size of the third-party APP list.\n");
fclose(fp);
_eval(cmd, NULL, 0, &pid);
return apps_info_list;
}
memset(line, 0, sizeof(line));
while(fgets(line, 128, fp) != NULL) {
if((tmp_apps_name = get_status_field(line, FIELD_PACKAGE)) == NULL)
continue;
memset(buf, 0, sizeof(buf));
pkg_tail = pkg_head = buf;
do {
sprintf(pkg_tail, "%s", line);
pkg_tail += strlen(line);
memset(line, 0, sizeof(line));
} while(fgets(line, 128, fp) != NULL && strlen(line) > 1);
follow_apps_info = apps_info_list;
got_apps = 0;
while(follow_apps_info != NULL) {
if(!strcmp(follow_apps_info->name, tmp_apps_name)) {
got_apps = 1;
break;
}
follow_apps_info = follow_apps_info->next;
}
free(tmp_apps_name);
// Installed package.
if(got_apps) {
follow_apps_info->new_version = get_status_field(pkg_head, FIELD_VERSION);
follow_apps_info->new_optional_utility = get_status_field(pkg_head, FIELD_OPTIONALUTILITY);
if(follow_apps_info->from_owner != NULL)
free(follow_apps_info->from_owner);
follow_apps_info->from_owner = alloc_string(APP_OWNER_OLEG);
}
// Non-installed package.
else {
follow_apps_info_list = &apps_info_list;
while(*follow_apps_info_list != NULL)
follow_apps_info_list = &((*follow_apps_info_list)->next);
*follow_apps_info_list = initial_apps_data();
(*follow_apps_info_list)->name = get_status_field(pkg_head, FIELD_PACKAGE);
(*follow_apps_info_list)->new_version = get_status_field(pkg_head, FIELD_VERSION);
(*follow_apps_info_list)->installed = alloc_string(FIELD_NO);
(*follow_apps_info_list)->enabled = alloc_string(FIELD_NO);
(*follow_apps_info_list)->source = get_status_field(pkg_head, FIELD_SOURCE);
(*follow_apps_info_list)->url = get_status_field(pkg_head, FIELD_URL);
(*follow_apps_info_list)->description = get_status_field(pkg_head, FIELD_DESCRIPTION);
(*follow_apps_info_list)->depends = get_status_field(pkg_head, FIELD_DEPENDS);
(*follow_apps_info_list)->new_optional_utility = get_status_field(pkg_head, FIELD_OPTIONALUTILITY);
(*follow_apps_info_list)->help_path = get_status_field(pkg_head, FIELD_HELPPATH);
(*follow_apps_info_list)->new_file_name = get_status_field(pkg_head, FIELD_FILENAME);
(*follow_apps_info_list)->from_owner = alloc_string(APP_OWNER_OLEG);
}
memset(line, 0, sizeof(line));
}
fclose(fp);
}
// Get the name and version of the installed packages from APPS_STATUS.
if((fp = fopen(APPS_STATUS, "r")) == NULL)
return apps_info_list;
memset(line, 0, sizeof(line));
while(fgets(line, 128, fp) != NULL) {
if((tmp_apps_name = get_status_field(line, FIELD_PACKAGE)) == NULL)
continue;
memset(buf, 0, sizeof(buf));
pkg_tail = pkg_head = buf;
do {
sprintf(pkg_tail, "%s", line);
pkg_tail += strlen(line);
memset(line, 0, sizeof(line));
} while(fgets(line, 128, fp) != NULL && strlen(line) > 1);
if((STATUS = get_status_field(pkg_head, FIELD_STATUS)) == NULL)
continue;
if(strstr(STATUS, "not-installed")) {
free(STATUS);
continue;
}
free(STATUS);
follow_apps_info = apps_info_list;
got_apps = 0;
while(follow_apps_info != NULL) {
if(!strcmp(follow_apps_info->name, tmp_apps_name)) {
got_apps = 1;
break;
}
follow_apps_info = follow_apps_info->next;
}
free(tmp_apps_name);
// Installed package.
if(got_apps) {
follow_apps_info->version = get_status_field(pkg_head, FIELD_VERSION);
if(follow_apps_info->installed != NULL)
free(follow_apps_info->installed);
follow_apps_info->installed = alloc_string(FIELD_YES);
}
// Non-installed package.
else if(!argv || !strcmp(argv, APP_OWNER_ALL)) {
follow_apps_info_list = &apps_info_list;
while(*follow_apps_info_list != NULL)
follow_apps_info_list = &((*follow_apps_info_list)->next);
*follow_apps_info_list = initial_apps_data();
(*follow_apps_info_list)->name = get_status_field(pkg_head, FIELD_PACKAGE);
(*follow_apps_info_list)->version = get_status_field(pkg_head, FIELD_VERSION);
(*follow_apps_info_list)->installed = alloc_string(FIELD_YES);
(*follow_apps_info_list)->from_owner = alloc_string(APP_OWNER_OTHERS);
}
memset(line, 0, sizeof(line));
}
fclose(fp);
follow_apps_info = apps_info_list;
while(follow_apps_info != NULL) {
// Get the source, description and depends of the installed packages from the control in APPS_INFO.
memset(info_name, 0, sizeof(info_name));
sprintf(info_name, "%s/%s.control", APPS_INFO, follow_apps_info->name);
apps_info = read_whole_file(info_name);
if(apps_info != NULL) {
if((tmp_apps_name = get_status_field(apps_info, FIELD_ENABLED)) != NULL) {
if(follow_apps_info->enabled != NULL)
free(follow_apps_info->enabled);
follow_apps_info->enabled = get_status_field(apps_info, FIELD_ENABLED);
free(tmp_apps_name);
}
follow_apps_info->optional_utility = get_status_field(apps_info, FIELD_OPTIONALUTILITY);
free(apps_info);
}
follow_apps_info = follow_apps_info->next;
}
return apps_info_list;
}