shaba/lvm2
1
0
Fork 0
mirror of git://sourceware.org/git/lvm2.git synced 2024-12-22 17:35:59 +03:00
Code Releases Activity
15be97d76b
lvm2/lib/report/report.c
Zdenek Kabelac 4f8f8fcb52 report: add extra pointer check 
Coverity was seeing possible trouble with NULL pointer dereference.
So ensure it may never happen.
2015-11-09 10:19:20 +01:00

3476 lines
106 KiB
C
Raw Blame History

/*
* Copyright (C) 2002-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2014 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "lib.h"
#include "metadata.h"
#include "report.h"
#include "toolcontext.h"
#include "lvm-string.h"
#include "display.h"
#include "activate.h"
#include "segtype.h"
#include "lvmcache.h"
#include "device-types.h"
#include "str_list.h"
#include <stddef.h> /* offsetof() */
#include <float.h> /* DBL_MAX */
#include <time.h>
struct lvm_report_object {
struct volume_group *vg;
struct lv_with_info_and_seg_status *lvdm;
struct physical_volume *pv;
struct lv_segment *seg;
struct pv_segment *pvseg;
struct label *label;
};
/*
* Enum for field_num index to use in per-field reserved value definition.
* Each field is represented by enum value with name "field_<id>" where <id>
* is the field_id of the field as registered in columns.h.
*/
#define FIELD(type, strct, sorttype, head, field_name, width, func, id, desc, writeable) field_ ## id,
enum {
#include "columns.h"
};
#undef FIELD
static const uint64_t _zero64 = UINT64_C(0);
static const uint64_t _one64 = UINT64_C(1);
static const char _str_zero[] = "0";
static const char _str_one[] = "1";
static const char _str_no[] = "no";
static const char _str_yes[] = "yes";
static const char _str_unknown[] = "unknown";
static const double _siz_max = DBL_MAX;
/*
* 32 bit signed is casted to 64 bit unsigned in dm_report_field internally!
* So when stored in the struct, the _reserved_num_undef_32 is actually
* equal to _reserved_num_undef_64.
*/
static const int32_t _reserved_num_undef_32 = INT32_C(-1);
typedef enum {
/* top-level identification */
TIME_NULL,
TIME_NUM,
TIME_STR,
/* direct numeric value */
TIME_NUM__START,
TIME_NUM_MULTIPLIER,
TIME_NUM_MULTIPLIER_NEGATIVE,
TIME_NUM_DAY,
TIME_NUM_YEAR,
TIME_NUM__END,
/* direct string value */
TIME_STR_TIMEZONE,
/* time frame strings */
TIME_FRAME__START,
TIME_FRAME_AGO,
TIME_FRAME__END,
/* labels for dates */
TIME_LABEL_DATE__START,
TIME_LABEL_DATE_TODAY,
TIME_LABEL_DATE_YESTERDAY,
/* weekday name strings */
TIME_WEEKDAY__START,
TIME_WEEKDAY_SUNDAY,
TIME_WEEKDAY_MONDAY,
TIME_WEEKDAY_TUESDAY,
TIME_WEEKDAY_WEDNESDAY,
TIME_WEEKDAY_THURSDAY,
TIME_WEEKDAY_FRIDAY,
TIME_WEEKDAY_SATURDAY,
TIME_WEEKDAY__END,
TIME_LABEL_DATE__END,
/* labels for times */
TIME_LABEL_TIME__START,
TIME_LABEL_TIME_NOON,
TIME_LABEL_TIME_MIDNIGHT,
TIME_LABEL_TIME__END,
/* time unit strings */
TIME_UNIT__START,
TIME_UNIT_SECOND,
TIME_UNIT_SECOND_REL,
TIME_UNIT_MINUTE,
TIME_UNIT_MINUTE_REL,
TIME_UNIT_HOUR,
TIME_UNIT_HOUR_REL,
TIME_UNIT_AM,
TIME_UNIT_PM,
TIME_UNIT_DAY,
TIME_UNIT_WEEK,
TIME_UNIT_MONTH,
TIME_UNIT_YEAR,
TIME_UNIT_TZ_MINUTE,
TIME_UNIT_TZ_HOUR,
TIME_UNIT__END,
/* month name strings */
TIME_MONTH__START,
TIME_MONTH_JANUARY,
TIME_MONTH_FEBRUARY,
TIME_MONTH_MARCH,
TIME_MONTH_APRIL,
TIME_MONTH_MAY,
TIME_MONTH_JUNE,
TIME_MONTH_JULY,
TIME_MONTH_AUGUST,
TIME_MONTH_SEPTEMBER,
TIME_MONTH_OCTOBER,
TIME_MONTH_NOVEMBER,
TIME_MONTH_DECEMBER,
TIME_MONTH__END,
} time_id_t;
#define TIME_PROP_DATE 0x00000001 /* date-related */
#define TIME_PROP_TIME 0x00000002 /* time-related */
#define TIME_PROP_ABS 0x00000004 /* absolute value */
#define TIME_PROP_REL 0x00000008 /* relative value */
struct time_prop {
time_id_t id;
uint32_t prop_flags;
time_id_t granularity;
};
#define ADD_TIME_PROP(id, flags, granularity) [id] = {id, flags, granularity},
static const struct time_prop _time_props[] = {
ADD_TIME_PROP(TIME_NULL, 0, TIME_NULL)
ADD_TIME_PROP(TIME_NUM, 0, TIME_NULL)
ADD_TIME_PROP(TIME_STR, 0, TIME_NULL)
ADD_TIME_PROP(TIME_NUM_MULTIPLIER, 0, TIME_NULL)
ADD_TIME_PROP(TIME_NUM_MULTIPLIER_NEGATIVE, 0, TIME_NULL)
ADD_TIME_PROP(TIME_NUM_DAY, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_DAY)
ADD_TIME_PROP(TIME_NUM_YEAR, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_YEAR)
ADD_TIME_PROP(TIME_STR_TIMEZONE, TIME_PROP_TIME | TIME_PROP_ABS, TIME_NULL)
ADD_TIME_PROP(TIME_FRAME_AGO, TIME_PROP_DATE | TIME_PROP_TIME | TIME_PROP_REL, TIME_NULL)
ADD_TIME_PROP(TIME_LABEL_DATE_TODAY, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_DAY)
ADD_TIME_PROP(TIME_LABEL_DATE_YESTERDAY, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_DAY)
ADD_TIME_PROP(TIME_WEEKDAY_SUNDAY, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_DAY)
ADD_TIME_PROP(TIME_WEEKDAY_MONDAY, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_DAY)
ADD_TIME_PROP(TIME_WEEKDAY_TUESDAY, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_DAY)
ADD_TIME_PROP(TIME_WEEKDAY_WEDNESDAY, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_DAY)
ADD_TIME_PROP(TIME_WEEKDAY_THURSDAY, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_DAY)
ADD_TIME_PROP(TIME_WEEKDAY_FRIDAY, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_DAY)
ADD_TIME_PROP(TIME_WEEKDAY_SATURDAY, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_DAY)
ADD_TIME_PROP(TIME_LABEL_TIME_NOON, TIME_PROP_TIME | TIME_PROP_ABS, TIME_UNIT_SECOND)
ADD_TIME_PROP(TIME_LABEL_TIME_MIDNIGHT, TIME_PROP_TIME | TIME_PROP_ABS, TIME_UNIT_SECOND)
ADD_TIME_PROP(TIME_UNIT_SECOND, TIME_PROP_TIME | TIME_PROP_ABS, TIME_UNIT_SECOND)
ADD_TIME_PROP(TIME_UNIT_SECOND_REL, TIME_PROP_TIME | TIME_PROP_REL, TIME_UNIT_SECOND)
ADD_TIME_PROP(TIME_UNIT_MINUTE, TIME_PROP_TIME | TIME_PROP_ABS, TIME_UNIT_MINUTE)
ADD_TIME_PROP(TIME_UNIT_MINUTE_REL, TIME_PROP_TIME | TIME_PROP_REL, TIME_UNIT_MINUTE)
ADD_TIME_PROP(TIME_UNIT_HOUR, TIME_PROP_TIME | TIME_PROP_ABS, TIME_UNIT_HOUR)
ADD_TIME_PROP(TIME_UNIT_HOUR_REL, TIME_PROP_TIME | TIME_PROP_REL, TIME_UNIT_HOUR)
ADD_TIME_PROP(TIME_UNIT_AM, TIME_PROP_TIME | TIME_PROP_ABS, TIME_UNIT_HOUR)
ADD_TIME_PROP(TIME_UNIT_PM, TIME_PROP_TIME | TIME_PROP_ABS, TIME_UNIT_HOUR)
ADD_TIME_PROP(TIME_UNIT_DAY, TIME_PROP_DATE | TIME_PROP_REL, TIME_UNIT_DAY)
ADD_TIME_PROP(TIME_UNIT_WEEK, TIME_PROP_DATE | TIME_PROP_REL, TIME_UNIT_WEEK)
ADD_TIME_PROP(TIME_UNIT_MONTH, TIME_PROP_DATE | TIME_PROP_REL, TIME_UNIT_MONTH)
ADD_TIME_PROP(TIME_UNIT_YEAR, TIME_PROP_DATE | TIME_PROP_REL, TIME_UNIT_YEAR)
ADD_TIME_PROP(TIME_UNIT_TZ_MINUTE, TIME_PROP_TIME | TIME_PROP_ABS, TIME_NULL)
ADD_TIME_PROP(TIME_UNIT_TZ_HOUR, TIME_PROP_TIME | TIME_PROP_ABS, TIME_NULL)
ADD_TIME_PROP(TIME_MONTH_JANUARY, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_MONTH)
ADD_TIME_PROP(TIME_MONTH_FEBRUARY, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_MONTH)
ADD_TIME_PROP(TIME_MONTH_MARCH, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_MONTH)
ADD_TIME_PROP(TIME_MONTH_APRIL, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_MONTH)
ADD_TIME_PROP(TIME_MONTH_MAY, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_MONTH)
ADD_TIME_PROP(TIME_MONTH_JUNE, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_MONTH)
ADD_TIME_PROP(TIME_MONTH_JULY, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_MONTH)
ADD_TIME_PROP(TIME_MONTH_AUGUST, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_MONTH)
ADD_TIME_PROP(TIME_MONTH_SEPTEMBER, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_MONTH)
ADD_TIME_PROP(TIME_MONTH_OCTOBER, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_MONTH)
ADD_TIME_PROP(TIME_MONTH_NOVEMBER, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_MONTH)
ADD_TIME_PROP(TIME_MONTH_DECEMBER, TIME_PROP_DATE | TIME_PROP_ABS, TIME_UNIT_MONTH)
};
#define TIME_REG_PLURAL_S 0x00000001 /* also recognize plural form with "s" suffix */
struct time_reg {
const char *name;
const struct time_prop *prop;
uint32_t reg_flags;
};
#define TIME_PROP(id) (_time_props + id)
static const struct time_reg _time_reg[] = {
/*
* Group of tokens representing time frame and used
* with relative date/time to specify different flavours
* of relativity.
*/
{"ago", TIME_PROP(TIME_FRAME_AGO), 0},
/*
* Group of tokens labeling some date and used
* instead of direct absolute specification.
*/
{"today", TIME_PROP(TIME_LABEL_DATE_TODAY), 0}, /* 0:00 - 23:59:59 for current date */
{"yesterday", TIME_PROP(TIME_LABEL_DATE_YESTERDAY), 0}, /* 0:00 - 23:59:59 for current date minus 1 day*/
/*
* Group of tokens labeling some date - weekday
* names used to build up date.
*/
{"Sunday", TIME_PROP(TIME_WEEKDAY_SUNDAY), TIME_REG_PLURAL_S},
{"Sun", TIME_PROP(TIME_WEEKDAY_SUNDAY), 0},
{"Monday", TIME_PROP(TIME_WEEKDAY_MONDAY), TIME_REG_PLURAL_S},
{"Mon", TIME_PROP(TIME_WEEKDAY_MONDAY), 0},
{"Tuesday", TIME_PROP(TIME_WEEKDAY_TUESDAY), TIME_REG_PLURAL_S},
{"Tue", TIME_PROP(TIME_WEEKDAY_TUESDAY), 0},
{"Wednesday", TIME_PROP(TIME_WEEKDAY_WEDNESDAY), TIME_REG_PLURAL_S},
{"Wed", TIME_PROP(TIME_WEEKDAY_WEDNESDAY), 0},
{"Thursday", TIME_PROP(TIME_WEEKDAY_THURSDAY), TIME_REG_PLURAL_S},
{"Thu", TIME_PROP(TIME_WEEKDAY_THURSDAY), 0},
{"Friday", TIME_PROP(TIME_WEEKDAY_FRIDAY), TIME_REG_PLURAL_S},
{"Fri", TIME_PROP(TIME_WEEKDAY_FRIDAY), 0},
{"Saturday", TIME_PROP(TIME_WEEKDAY_SATURDAY), TIME_REG_PLURAL_S},
{"Sat", TIME_PROP(TIME_WEEKDAY_SATURDAY), 0},
/*
* Group of tokens labeling some time and used
* instead of direct absolute specification.
*/
{"noon", TIME_PROP(TIME_LABEL_TIME_NOON), TIME_REG_PLURAL_S}, /* 12:00:00 */
{"midnight", TIME_PROP(TIME_LABEL_TIME_MIDNIGHT), TIME_REG_PLURAL_S}, /* 00:00:00 */
/*
* Group of tokens used to build up time. Most of these
* are used either as relative or absolute time units.
* The absolute ones are always used with TIME_FRAME_*
* token, otherwise the unit is relative.
*/
{"second", TIME_PROP(TIME_UNIT_SECOND), TIME_REG_PLURAL_S},
{"sec", TIME_PROP(TIME_UNIT_SECOND), TIME_REG_PLURAL_S},
{"s", TIME_PROP(TIME_UNIT_SECOND), 0},
{"minute", TIME_PROP(TIME_UNIT_MINUTE), TIME_REG_PLURAL_S},
{"min", TIME_PROP(TIME_UNIT_MINUTE), TIME_REG_PLURAL_S},
{"m", TIME_PROP(TIME_UNIT_MINUTE), 0},
{"hour", TIME_PROP(TIME_UNIT_HOUR), TIME_REG_PLURAL_S},
{"hr", TIME_PROP(TIME_UNIT_HOUR), TIME_REG_PLURAL_S},
{"h", TIME_PROP(TIME_UNIT_HOUR), 0},
{"AM", TIME_PROP(TIME_UNIT_AM), 0},
{"PM", TIME_PROP(TIME_UNIT_PM), 0},
/*
* Group of tokens used to build up date.
* These are all relative ones.
*/
{"day", TIME_PROP(TIME_UNIT_DAY), TIME_REG_PLURAL_S},
{"week", TIME_PROP(TIME_UNIT_WEEK), TIME_REG_PLURAL_S},
{"month", TIME_PROP(TIME_UNIT_MONTH), TIME_REG_PLURAL_S},
{"year", TIME_PROP(TIME_UNIT_YEAR), TIME_REG_PLURAL_S},
{"yr", TIME_PROP(TIME_UNIT_YEAR), TIME_REG_PLURAL_S},
/*
* Group of tokes used to build up date.
* These are all absolute.
*/
{"January", TIME_PROP(TIME_MONTH_JANUARY), 0},
{"Jan", TIME_PROP(TIME_MONTH_JANUARY), 0},
{"February", TIME_PROP(TIME_MONTH_FEBRUARY), 0},
{"Feb", TIME_PROP(TIME_MONTH_FEBRUARY), 0},
{"March", TIME_PROP(TIME_MONTH_MARCH), 0},
{"Mar", TIME_PROP(TIME_MONTH_MARCH), 0},
{"April", TIME_PROP(TIME_MONTH_APRIL), 0},
{"Apr", TIME_PROP(TIME_MONTH_APRIL), 0},
{"May", TIME_PROP(TIME_MONTH_MAY), 0},
{"June", TIME_PROP(TIME_MONTH_JUNE), 0},
{"Jun", TIME_PROP(TIME_MONTH_JUNE), 0},
{"July", TIME_PROP(TIME_MONTH_JULY), 0},
{"Jul", TIME_PROP(TIME_MONTH_JULY), 0},
{"August", TIME_PROP(TIME_MONTH_AUGUST), 0},
{"Aug", TIME_PROP(TIME_MONTH_AUGUST), 0},
{"September", TIME_PROP(TIME_MONTH_SEPTEMBER), 0},
{"Sep", TIME_PROP(TIME_MONTH_SEPTEMBER), 0},
{"October", TIME_PROP(TIME_MONTH_OCTOBER), 0},
{"Oct", TIME_PROP(TIME_MONTH_OCTOBER), 0},
{"November", TIME_PROP(TIME_MONTH_NOVEMBER), 0},
{"Nov", TIME_PROP(TIME_MONTH_NOVEMBER), 0},
{"December", TIME_PROP(TIME_MONTH_DECEMBER), 0},
{"Dec", TIME_PROP(TIME_MONTH_DECEMBER), 0},
{NULL, TIME_PROP(TIME_NULL), 0},
};
struct time_item {
struct dm_list list;
const struct time_prop *prop;
const char *s;
size_t len;
};
struct time_info {
struct dm_pool *mem;
struct dm_list *ti_list;
time_t *now;
time_id_t min_abs_date_granularity;
time_id_t max_abs_date_granularity;
time_id_t min_abs_time_granularity;
time_id_t min_rel_time_granularity;
};
static int _is_time_num(time_id_t id)
{
return ((id > TIME_NUM__START) && (id < TIME_NUM__END));
};
/*
static int _is_time_frame(time_id_t id)
{
return ((id > TIME_FRAME__START) && (id < TIME_FRAME__END));
};
*/
static int _is_time_label_date(time_id_t id)
{
return ((id > TIME_LABEL_DATE__START) && (id < TIME_LABEL_DATE__END));
};
static int _is_time_label_time(time_id_t id)
{
return ((id > TIME_LABEL_TIME__START) && (id < TIME_LABEL_TIME__END));
};
static int _is_time_unit(time_id_t id)
{
return ((id > TIME_UNIT__START) && (id < TIME_UNIT__END));
};
static int _is_time_weekday(time_id_t id)
{
return ((id > TIME_WEEKDAY__START) && (id < TIME_WEEKDAY__END));
};
static int _is_time_month(time_id_t id)
{
return ((id > TIME_MONTH__START) && (id < TIME_MONTH__END));
};
static const char *_skip_space(const char *s)
{
while (*s && isspace(*s))
s++;
return s;
}
/* Move till delim or space */
static const char *_move_till_item_end(const char *s)
{
char c = *s;
int is_num = isdigit(c);
/*
* Allow numbers to be attached to next token, for example
* it's correct to write "12 hours" as well as "12hours".
*/
while (c && !isspace(c) && (is_num ? (is_num = isdigit(c)) : 1))
c = *++s;
return s;
}
static struct time_item *_alloc_time_item(struct dm_pool *mem, time_id_t id,
const char *s, size_t len)
{
struct time_item *ti;
if (!(ti = dm_pool_zalloc(mem, sizeof(struct time_item)))) {
log_error("alloc_time_item: dm_pool_zalloc failed");
return NULL;
}
ti->prop = &_time_props[id];
ti->s = s;
ti->len = len;
return ti;
}
static int _add_time_part_to_list(struct dm_pool *mem, struct dm_list *list,
time_id_t id, int minus, const char *s, size_t len)
{
struct time_item *ti1, *ti2;
if (!(ti1 = _alloc_time_item(mem, minus ? TIME_NUM_MULTIPLIER_NEGATIVE
: TIME_NUM_MULTIPLIER, s, len)) ||
!(ti2 = _alloc_time_item(mem, id, s + len, 0)))
return 0;
dm_list_add(list, &ti1->list);
dm_list_add(list, &ti2->list);
return 1;
}
static int _get_time(struct dm_pool *mem, const char **str,
struct dm_list *list, int tz)
{
const char *end, *s = *str;
int r = 0;
/* hour */
end = _move_till_item_end(s);
if (!_add_time_part_to_list(mem, list, tz ? TIME_UNIT_TZ_HOUR : TIME_UNIT_HOUR,
tz == -1, s, end - s))
goto out;
/* minute */
if (*end != ':')
/* minute required */
goto out;
s = end + 1;
end = _move_till_item_end(s);
if (!_add_time_part_to_list(mem, list, tz ? TIME_UNIT_TZ_MINUTE : TIME_UNIT_MINUTE,
tz == -1, s, end - s))
goto out;
/* second */
if (*end != ':') {
/* second not required */
s = end + 1;
r = 1;
goto out;
} else if (tz)
/* timezone does not have seconds */
goto out;
s = end + 1;
end = _move_till_item_end(s);
if (!_add_time_part_to_list(mem, list, TIME_UNIT_SECOND, 0, s, end - s))
goto out;
s = end + 1;
r = 1;
out:
*str = s;
return r;
}
static int _preparse_fuzzy_time(const char *s, struct time_info *info)
{
struct dm_list *list;
struct time_item *ti;
const char *end;
int fuzzy = 0;
time_id_t id;
size_t len;
int r = 0;
char c;
if (!(list = dm_pool_alloc(info->mem, sizeof(struct dm_list)))) {
log_error("_preparse_fuzzy_time: dm_pool_alloc failed");
goto out;
}
dm_list_init(list);
s = _skip_space(s);
while ((c = *s)) {
/*
* If the string consists of -:+, digits or spaces,
* it's not worth looking for fuzzy names here -
* it's standard YYYY-MM-DD HH:MM:SS +-HH:MM format
* and that is parseable by libdm directly.
*/
if (!(isdigit(c) || (c == '-') || (c == ':') || (c == '+')))
fuzzy = 1;
end = _move_till_item_end(s);
if (isalpha(c))
id = TIME_STR;
else if (isdigit(c)) {
if (*end == ':') {
/* we have time */
if (!_get_time(info->mem, &s, list, 0))
goto out;
continue;
}
/* we have some other number */
id = TIME_NUM;
} else if ((c == '-') || (c == '+')) {
s++;
/* we have timezone */
if (!_get_time(info->mem, &s, list, (c == '-') ? -1 : 1))
goto out;
continue;
} else
goto out;
len = end - s;
if (!(ti = _alloc_time_item(info->mem, id, s, len)))
goto out;
dm_list_add(list, &ti->list);
s += len;
s = _skip_space(s);
}
info->ti_list = list;
r = 1;
out:
if (!(r && fuzzy)) {
dm_pool_free(info->mem, list);
return 0;
}
return 1;
}
static int _match_time_str(struct dm_list *ti_list, struct time_item *ti)
{
struct time_item *ti_context_p = (struct time_item *) dm_list_prev(ti_list, &ti->list);
size_t reg_len;
int i;
ti->prop = TIME_PROP(TIME_NULL);
for (i = 0; _time_reg[i].name; i++) {
reg_len = strlen(_time_reg[i].name);
if ((ti->len != reg_len) &&
!((_time_reg[i].reg_flags & TIME_REG_PLURAL_S) &&
(ti->len == reg_len+1) && (ti->s[reg_len] == 's')))
continue;
if (!strncasecmp(ti->s, _time_reg[i].name, reg_len)) {
ti->prop = _time_reg[i].prop;
if ((ti->prop->id > TIME_UNIT__START) && (ti->prop->id < TIME_UNIT__END) &&
ti_context_p && (ti_context_p->prop->id == TIME_NUM))
ti_context_p->prop = TIME_PROP(TIME_NUM_MULTIPLIER);
break;
}
}
return ti->prop->id;
}
static int _match_time_num(struct dm_list *ti_list, struct time_item *ti)
{
struct time_item *ti_context_p = (struct time_item *) dm_list_prev(ti_list, &ti->list);
struct time_item *ti_context_n = (struct time_item *) dm_list_next(ti_list, &ti->list);
struct time_item *ti_context_nn = ti_context_n ? (struct time_item *) dm_list_next(ti_list, &ti_context_n->list) : NULL;
if (ti_context_n &&
(ti_context_n->prop->id > TIME_MONTH__START) &&
(ti_context_n->prop->id < TIME_MONTH__END)) {
if (ti_context_nn && ti_context_nn->prop->id == TIME_NUM) {
if (ti->len < ti_context_nn->len) {
/* 24 Feb 2015 */
ti->prop = TIME_PROP(TIME_NUM_DAY);
ti_context_nn->prop = TIME_PROP(TIME_NUM_YEAR);
} else {
/* 2015 Feb 24 */
ti->prop = TIME_PROP(TIME_NUM_YEAR);
ti_context_nn->prop = TIME_PROP(TIME_NUM_DAY);
}
} else {
if (ti->len <= 2)
/* 24 Feb */
ti->prop = TIME_PROP(TIME_NUM_DAY);
else
/* 2015 Feb */
ti->prop = TIME_PROP(TIME_NUM_YEAR);
}
} else if (ti_context_p &&
(ti_context_p->prop->id > TIME_MONTH__START) &&
(ti_context_p->prop->id < TIME_MONTH__END)) {
if (ti->len <= 2)
/* Feb 24 */
ti->prop = TIME_PROP(TIME_NUM_DAY);
else
/* Feb 2015 */
ti->prop = TIME_PROP(TIME_NUM_YEAR);
} else
ti->prop = TIME_PROP(TIME_NUM_YEAR);
return ti->prop->id;
}
static void _detect_time_granularity(struct time_info *info, struct time_item *ti)
{
time_id_t gran = ti->prop->granularity;
int is_date, is_abs, is_rel;
if (gran == TIME_NULL)
return;
is_date = ti->prop->prop_flags & TIME_PROP_DATE;
is_abs = ti->prop->prop_flags & TIME_PROP_ABS;
is_rel = ti->prop->prop_flags & TIME_PROP_REL;
if (is_date && is_abs) {
if (gran > info->max_abs_date_granularity)
info->max_abs_date_granularity = gran;
if (gran < info->min_abs_date_granularity)
info->min_abs_date_granularity = gran;
} else {
if (is_abs && (gran < info->min_abs_time_granularity))
info->min_abs_time_granularity = gran;
else if (is_rel && (gran < info->min_rel_time_granularity))
info->min_rel_time_granularity = gran;
}
}
static void _change_to_relative(struct time_info *info, struct time_item *ti)
{
struct time_item *ti2;
ti2 = ti;
while ((ti2 = (struct time_item *) dm_list_prev(info->ti_list, &ti2->list))) {
if (ti2->prop->id == TIME_FRAME_AGO)
break;
switch (ti2->prop->id) {
case TIME_UNIT_SECOND:
ti2->prop = TIME_PROP(TIME_UNIT_SECOND_REL);
break;
case TIME_UNIT_MINUTE:
ti2->prop = TIME_PROP(TIME_UNIT_MINUTE_REL);
break;
case TIME_UNIT_HOUR:
ti2->prop = TIME_PROP(TIME_UNIT_HOUR_REL);
break;
default:
break;
}
}
}
static int _recognize_time_items(struct time_info *info)
{
struct time_item *ti;
/*
* At first, try to recognize strings.
* Also, if there are any items which may be absolute or
* relative and we have "TIME_FRAME_AGO", change them to relative.
*/
dm_list_iterate_items(ti, info->ti_list) {
if ((ti->prop->id == TIME_STR) && !_match_time_str(info->ti_list, ti)) {
log_error("Unrecognized string in date/time "
"specification at \"%s\".", ti->s);
return 0;
}
if (ti->prop->id == TIME_FRAME_AGO)
_change_to_relative(info, ti);
}
/*
* Now, recognize any numbers and be sensitive to the context
* given by strings we recognized before. Also, detect time
* granularity used (both for absolute and/or relative parts).
*/
dm_list_iterate_items(ti, info->ti_list) {
if ((ti->prop->id == TIME_NUM) && !_match_time_num(info->ti_list, ti)) {
log_error("Unrecognized number in date/time "
"specification at \"%s\".", ti->s);
return 0;
}
_detect_time_granularity(info, ti);
}
return 1;
}
static int _check_time_items(struct time_info *info)
{
struct time_item *ti;
uint32_t flags;
int rel;
int date_is_relative = -1, time_is_relative = -1;
int label_time = 0, label_date = 0;
dm_list_iterate_items(ti, info->ti_list) {
flags = ti->prop->prop_flags;
rel = flags & TIME_PROP_REL;
if (flags & TIME_PROP_DATE) {
if (date_is_relative < 0)
date_is_relative = rel;
else if ((date_is_relative ^ rel) &&
(info->max_abs_date_granularity >= info->min_rel_time_granularity)) {
log_error("Mixed absolute and relative date "
"specification found at \"%s\".", ti->s);
return 0;
}
/* Date label can be used only once and not mixed with other date spec. */
if (label_date) {
log_error("Ambiguous date specification found at \"%s\".", ti->s);
return 0;
} else if (_is_time_label_date(ti->prop->id))
label_date = 1;
}
else if (flags & TIME_PROP_TIME) {
if (time_is_relative < 0)
time_is_relative = rel;
else if ((time_is_relative ^ rel)) {
log_error("Mixed absolute and relative time "
"specification found at \"%s\".", ti->s);
return 0;
}
/* Time label can be used only once and not mixed with other time spec. */
if (label_time) {
log_error("Ambiguous time specification found at \"%s\".", ti->s);
return 0;
} else if (_is_time_label_time(ti->prop->id))
label_time = 1;
}
}
return 1;
}
#define CACHE_ID_TIME_NOW "time_now"
static time_t *_get_now(struct dm_report *rh, struct dm_pool *mem)
{
const void *cached_obj;
time_t *now;
if (!(cached_obj = dm_report_value_cache_get(rh, CACHE_ID_TIME_NOW))) {
if (!(now = dm_pool_zalloc(mem, sizeof(time_t)))) {
log_error("_get_now: dm_pool_zalloc failed");
return NULL;
}
time(now);
if (!dm_report_value_cache_set(rh, CACHE_ID_TIME_NOW, now)) {
log_error("_get_now: failed to cache current time");
return NULL;
}
} else
now = (time_t *) cached_obj;
return now;
}
static void _adjust_time_for_granularity(struct time_info *info, struct tm *tm, time_t *t)
{
switch (info->min_abs_date_granularity) {
case TIME_UNIT_YEAR:
tm->tm_mon = 0;
/* fall through */
case TIME_UNIT_MONTH:
tm->tm_mday = 1;
break;
default:
break;
}
switch (info->min_abs_time_granularity) {
case TIME_UNIT_HOUR:
tm->tm_min = 0;
/* fall through */
case TIME_UNIT_MINUTE:
tm->tm_sec = 0;
break;
case TIME_UNIT__END:
if (info->min_rel_time_granularity == TIME_UNIT__END)
tm->tm_hour = tm->tm_min = tm->tm_sec = 0;
break;
default:
break;
}
if ((info->min_abs_time_granularity == TIME_UNIT__END) &&
(info->min_rel_time_granularity >= TIME_UNIT_DAY) &&
(info->min_rel_time_granularity <= TIME_UNIT_YEAR))
tm->tm_hour = tm->tm_min = tm->tm_sec = 0;
}
#define SECS_PER_MINUTE 60
#define SECS_PER_HOUR 3600
#define SECS_PER_DAY 86400
static int _days_in_month[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
static int _is_leap_year(long year)
{
return (((year % 4==0) && (year % 100 != 0)) || (year % 400 == 0));
}
static int _get_days_in_month(long month, long year)
{
return (month == 2 && _is_leap_year(year)) ? _days_in_month[month-1] + 1
: _days_in_month[month-1];
}
static void _get_resulting_time_span(struct time_info *info,
struct tm *tm, time_t t,
time_t *t_result1, time_t *t_result2)
{
time_t t1 = mktime(tm) - t;
time_t t2 = t1;
struct tm tmp;
if (info->min_abs_time_granularity != TIME_UNIT__END) {
if (info->min_abs_time_granularity == TIME_UNIT_MINUTE)
t2 += (SECS_PER_MINUTE - 1);
else if (info->min_abs_time_granularity == TIME_UNIT_HOUR)
t2 += (SECS_PER_HOUR - 1);
} else if (info->min_rel_time_granularity != TIME_UNIT__END) {
if (info->min_rel_time_granularity == TIME_UNIT_MINUTE)
t1 -= (SECS_PER_MINUTE + 1);
else if (info->min_rel_time_granularity == TIME_UNIT_HOUR)
t1 -= (SECS_PER_HOUR + 1);
else if ((info->min_rel_time_granularity >= TIME_UNIT_DAY) &&
(info->min_rel_time_granularity <= TIME_UNIT_YEAR))
t2 += (SECS_PER_DAY - 1);
} else {
if (info->min_abs_date_granularity == TIME_UNIT_MONTH)
t2 += (SECS_PER_DAY * _get_days_in_month(tm->tm_mon + 1, tm->tm_year) - 1);
else if (info->min_abs_date_granularity != TIME_UNIT__END)
t2 += (SECS_PER_DAY - 1);
}
/* Adjust for DST if needed. */
localtime_r(&t1, &tmp);
if (tmp.tm_isdst)
t1 -= SECS_PER_HOUR;
localtime_r(&t2, &tmp);
if (tmp.tm_isdst)
t2 -= SECS_PER_HOUR;
*t_result1 = t1;
*t_result2 = t2;
}
static int _translate_time_items(struct dm_report *rh, struct time_info *info,
const char **data_out)
{
struct time_item *ti, *ti_p = NULL;
long multiplier = 1;
struct tm tm_now;
time_id_t id;
char *end;
long num;
struct tm tm; /* absolute time */
time_t t = 0; /* offset into past before absolute time */
time_t t1, t2;
char buf[32];
localtime_r(info->now, &tm_now);
tm = tm_now;
tm.tm_isdst = 0; /* we'll adjust for dst later */
tm.tm_wday = tm.tm_yday = -1;
dm_list_iterate_items(ti, info->ti_list) {
id = ti->prop->id;
if (_is_time_num(id)) {
num = strtol(ti->s, &end, 10);
switch (id) {
case TIME_NUM_MULTIPLIER_NEGATIVE:
multiplier = -num;
break;
case TIME_NUM_MULTIPLIER:
multiplier = num;
break;
case TIME_NUM_DAY:
tm.tm_mday = num;
break;
case TIME_NUM_YEAR:
tm.tm_year = num - 1900;
break;
default:
break;
}
} else if (_is_time_month(id)) {
tm.tm_mon = id - TIME_MONTH__START - 1;
} else if (_is_time_label_date(id)) {
if (_is_time_weekday(id)) {
num = id - TIME_WEEKDAY__START - 1;
if (tm_now.tm_wday < num)
num = 7 - num + tm_now.tm_wday;
else
num = tm_now.tm_wday - num;
t += num * SECS_PER_DAY;
} else switch (id) {
case TIME_LABEL_DATE_YESTERDAY:
t += SECS_PER_DAY;
break;
case TIME_LABEL_DATE_TODAY:
/* Nothing to do here - we started with today. */
break;
default:
break;
}
} else if (_is_time_label_time(id)) {
switch (id) {
case TIME_LABEL_TIME_NOON:
tm.tm_hour = 12;
tm.tm_min = tm.tm_sec = 0;
break;
case TIME_LABEL_TIME_MIDNIGHT:
tm.tm_hour = tm.tm_min = tm.tm_sec = 0;
break;
default:
break;
}
} else if (_is_time_unit(id)) {
switch (id) {
case TIME_UNIT_SECOND:
tm.tm_sec = multiplier;
break;
case TIME_UNIT_SECOND_REL:
t += multiplier;
break;
case TIME_UNIT_MINUTE:
tm.tm_min = multiplier;
break;
case TIME_UNIT_MINUTE_REL:
t += (multiplier * SECS_PER_MINUTE);
break;
case TIME_UNIT_HOUR:
tm.tm_hour = multiplier;
break;
case TIME_UNIT_HOUR_REL:
t += (multiplier * SECS_PER_HOUR);
break;
case TIME_UNIT_AM:
if (ti_p && ti_p->prop->id == TIME_NUM_MULTIPLIER)
tm.tm_hour = multiplier;
break;
case TIME_UNIT_PM:
if (ti_p && _is_time_unit(ti_p->prop->id))
t -= 12 * SECS_PER_HOUR;
else if (ti_p && ti_p->prop->id == TIME_NUM_MULTIPLIER)
tm.tm_hour = multiplier + 12;
break;
case TIME_UNIT_DAY:
t += multiplier * SECS_PER_DAY;
break;
case TIME_UNIT_WEEK:
t += multiplier * 7 * SECS_PER_DAY;
break;
case TIME_UNIT_MONTH:
/* if months > 12, convert to years first */
num = multiplier / 12;
tm.tm_year -= num;
num = multiplier % 12;
if (num > (tm.tm_mon + 1)) {
tm.tm_year--;
tm.tm_mon = 12 - num + tm.tm_mon;
} else
tm.tm_mon -= num;
break;
case TIME_UNIT_YEAR:
tm.tm_year -= multiplier;
break;
default:
break;
}
}
ti_p = ti;
}
_adjust_time_for_granularity(info, &tm, &t);
_get_resulting_time_span(info, &tm, t, &t1, &t2);
dm_pool_free(info->mem, info->ti_list);
info->ti_list = NULL;
if (dm_snprintf(buf, sizeof(buf), "@%ld:@%ld", t1, t2) == -1) {
log_error("_translate_time_items: dm_snprintf failed");
return 0;
}
if (!(*data_out = dm_pool_strdup(info->mem, buf))) {
log_error("_translate_time_items: dm_pool_strdup failed");
return 0;
}
return 1;
}
static const char *_lv_time_handler_parse_fuzzy_name(struct dm_report *rh,
struct dm_pool *mem,
const char *data_in)
{
const char *s = data_in;
const char *data_out = NULL;
struct time_info info = {.mem = mem,
.ti_list = NULL,
.now = _get_now(rh, mem),
.min_abs_date_granularity = TIME_UNIT__END,
.max_abs_date_granularity = TIME_UNIT__START,
.min_abs_time_granularity = TIME_UNIT__END,
.min_rel_time_granularity = TIME_UNIT__END};
if (!info.now)
goto_out;
/* recognize top-level parts - string/number/time/timezone? */
if (!_preparse_fuzzy_time(s, &info))
goto out;
/* recognize each part in more detail, also look at the context around if needed */
if (!_recognize_time_items(&info))
goto out;
/* check if the combination of items is allowed or whether it makes sense at all */
if (!_check_time_items(&info))
goto out;
/* translate items into final time range */
if (!_translate_time_items(rh, &info, &data_out))
goto out;
out:
if (info.ti_list)
dm_pool_free(info.mem, info.ti_list);
return data_out;
}
static void *_lv_time_handler_get_dynamic_value(struct dm_report *rh,
struct dm_pool *mem,
const char *data_in)
{
time_t t1, t2;
time_t *result;
if (sscanf(data_in, "@%ld:@%ld", &t1, &t2) != 2) {
log_error("Failed to get value for parsed time specification.");
return NULL;
}
if (!(result = dm_pool_alloc(mem, 2 * sizeof(time_t)))) {
log_error("Failed to allocate space to store time range.");
return NULL;
}
result[0] = t1;
result[1] = t2;
return result;
}
static int lv_time_handler(struct dm_report *rh, struct dm_pool *mem,
uint32_t field_num,
dm_report_reserved_action_t action,
const void *data_in, const void **data_out)
{
*data_out = NULL;
if (!data_in)
return 1;
switch (action) {
case DM_REPORT_RESERVED_PARSE_FUZZY_NAME:
*data_out = _lv_time_handler_parse_fuzzy_name(rh, mem, data_in);
break;
case DM_REPORT_RESERVED_GET_DYNAMIC_VALUE:
if (!(*data_out = _lv_time_handler_get_dynamic_value(rh, mem, data_in)))
return 0;
break;
default:
return -1;
}
return 1;
}
/*
* Get type reserved value - the value returned is the direct value of that type.
*/
#define GET_TYPE_RESERVED_VALUE(id) _reserved_ ## id
/*
* Get field reserved value - the value returned is always a pointer (const void *).
*/
#define GET_FIELD_RESERVED_VALUE(id) _reserved_ ## id.value
/*
* Get first name assigned to the reserved value - this is the one that
* should be reported/displayed. All the other names assigned for the reserved
* value are synonyms recognized in selection criteria.
*/
#define GET_FIRST_RESERVED_NAME(id) _reserved_ ## id ## _names[0]
/*
* Reserved values and their assigned names.
* The first name is the one that is also used for reporting.
* All names listed are synonyms recognized in selection criteria.
* For binary-based values we map all reserved names listed onto value 1, blank onto value 0.
*
* TYPE_RESERVED_VALUE(type, reserved_value_id, description, value, reserved name, ...)
* FIELD_RESERVED_VALUE(field_id, reserved_value_id, description, value, reserved name, ...)
* FIELD_RESERVED_BINARY_VALUE(field_id, reserved_value_id, description, reserved name for 1, ...)
*
* Note: FIELD_RESERVED_BINARY_VALUE creates:
* - 'reserved_value_id_y' (for 1)
* - 'reserved_value_id_n' (for 0)
*/
#define NUM uint64_t
#define NUM_HND dm_report_reserved_handler
#define HND (dm_report_reserved_handler)
#define NOFLAG 0
#define NAMED DM_REPORT_FIELD_RESERVED_VALUE_NAMED
#define RANGE DM_REPORT_FIELD_RESERVED_VALUE_RANGE
#define FUZZY DM_REPORT_FIELD_RESERVED_VALUE_FUZZY_NAMES
#define DYNAMIC DM_REPORT_FIELD_RESERVED_VALUE_DYNAMIC_VALUE
#define TYPE_RESERVED_VALUE(type, flags, id, desc, value, ...) \
static const char *_reserved_ ## id ## _names[] = { __VA_ARGS__, NULL}; \
static const type _reserved_ ## id = value;
#define FIELD_RESERVED_VALUE(flags, field_id, id, desc, value, ...) \
static const char *_reserved_ ## id ## _names[] = { __VA_ARGS__ , NULL}; \
static const struct dm_report_field_reserved_value _reserved_ ## id = {field_ ## field_id, value};
#define FIELD_RESERVED_BINARY_VALUE(field_id, id, desc, ...) \
FIELD_RESERVED_VALUE(NAMED, field_id, id ## _y, desc, &_one64, __VA_ARGS__, _str_yes) \
FIELD_RESERVED_VALUE(NAMED, field_id, id ## _n, desc, &_zero64, __VA_ARGS__, _str_no)
#include "values.h"
#undef NUM
#undef NUM_HND
#undef HND
#undef NOFLAG
#undef NAMED
#undef RANGE
#undef TYPE_RESERVED_VALUE
#undef FIELD_RESERVED_VALUE
#undef FIELD_RESERVED_BINARY_VALUE
#undef FUZZY
#undef DYNAMIC
/*
* Create array of reserved values to be registered with reporting code via
* dm_report_init_with_selection function that initializes report with
* selection criteria. Selection code then recognizes these reserved values
* when parsing selection criteria.
*/
#define NUM DM_REPORT_FIELD_TYPE_NUMBER
#define NUM_HND DM_REPORT_FIELD_TYPE_NUMBER
#define HND 0
#define NOFLAG 0
#define NAMED DM_REPORT_FIELD_RESERVED_VALUE_NAMED
#define RANGE DM_REPORT_FIELD_RESERVED_VALUE_RANGE
#define FUZZY DM_REPORT_FIELD_RESERVED_VALUE_FUZZY_NAMES
#define DYNAMIC DM_REPORT_FIELD_RESERVED_VALUE_DYNAMIC_VALUE
#define TYPE_RESERVED_VALUE(type, flags, id, desc, value, ...) {type | flags, &_reserved_ ## id, _reserved_ ## id ## _names, desc},
#define FIELD_RESERVED_VALUE(flags, field_id, id, desc, value, ...) {DM_REPORT_FIELD_TYPE_NONE | flags, &_reserved_ ## id, _reserved_ ## id ## _names, desc},
#define FIELD_RESERVED_BINARY_VALUE(field_id, id, desc, ...) \
FIELD_RESERVED_VALUE(NAMED, field_id, id ## _y, desc, &_one64, __VA_ARGS__) \
FIELD_RESERVED_VALUE(NAMED, field_id, id ## _n, desc, &_zero64, __VA_ARGS__)
static const struct dm_report_reserved_value _report_reserved_values[] = {
#include "values.h"
{0, NULL, NULL, NULL}
};
#undef NUM
#undef NUM_HND
#undef HND
#undef NOFLAG
#undef NAMED
#undef RANGE
#undef FUZZY
#undef DYNAMIC
#undef TYPE_RESERVED_VALUE
#undef FIELD_RESERVED_VALUE
#undef FIELD_RESERVED_BINARY_VALUE
static int _field_set_value(struct dm_report_field *field, const void *data, const void *sort)
{
dm_report_field_set_value(field, data, sort);
return 1;
}
static int _field_set_string_list(struct dm_report *rh, struct dm_report_field *field,
const struct dm_list *list, void *private, int sorted)
{
struct cmd_context *cmd = (struct cmd_context *) private;
return sorted ? dm_report_field_string_list(rh, field, list, cmd->report_list_item_separator)
: dm_report_field_string_list_unsorted(rh, field, list, cmd->report_list_item_separator);
}
/*
* Data-munging functions to prepare each data type for display and sorting
*/
/*
* Display either "0"/"1" or ""/"word" based on bin_value,
* cmd->report_binary_values_as_numeric selects the mode to use.
*/
static int _binary_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field, int bin_value, const char *word,
void *private)
{
const struct cmd_context *cmd = (const struct cmd_context *) private;
if (cmd->report_binary_values_as_numeric)
/* "0"/"1" */
return _field_set_value(field, bin_value ? _str_one : _str_zero, bin_value ? &_one64 : &_zero64);
else
/* blank/"word" */
return _field_set_value(field, bin_value ? word : "", bin_value ? &_one64 : &_zero64);
}
static int _binary_undef_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field, void *private)
{
const struct cmd_context *cmd = (const struct cmd_context *) private;
if (cmd->report_binary_values_as_numeric)
return _field_set_value(field, GET_FIRST_RESERVED_NAME(num_undef_64), &GET_TYPE_RESERVED_VALUE(num_undef_64));
else
return _field_set_value(field, _str_unknown, &GET_TYPE_RESERVED_VALUE(num_undef_64));
}
static int _string_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
return dm_report_field_string(rh, field, (const char * const *) data);
}
static int _chars_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
return dm_report_field_string(rh, field, (const char * const *) &data);
}
static int _uuid_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
char *repstr;
if (!(repstr = id_format_and_copy(mem, data)))
return_0;
return _field_set_value(field, repstr, NULL);
}
static int _dev_name_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
const char *name = dev_name(*(const struct device * const *) data);
return dm_report_field_string(rh, field, &name);
}
static int _devices_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
char *str;
if (!(str = lvseg_devices(mem, (const struct lv_segment *) data)))
return_0;
return _field_set_value(field, str, NULL);
}
static int _metadatadevices_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
char *str;
if (!(str = lvseg_metadata_devices(mem, (const struct lv_segment *) data)))
return_0;
return _field_set_value(field, str, NULL);
}
static int _peranges_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
char *str;
if (!(str = lvseg_seg_pe_ranges(mem, (const struct lv_segment *) data)))
return_0;
return _field_set_value(field, str, NULL);
}
static int _metadataleranges_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
char *str;
if (!(str = lvseg_seg_metadata_le_ranges(mem, (const struct lv_segment *) data)))
return_0;
return _field_set_value(field, str, NULL);
}
static int _tags_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct dm_list *tagsl = (const struct dm_list *) data;
return _field_set_string_list(rh, field, tagsl, private, 1);
}
struct _str_list_append_baton {
struct dm_pool *mem;
struct dm_list *result;
};
static int _str_list_append(const char *line, void *baton)
{
struct _str_list_append_baton *b = baton;
const char *line2 = dm_pool_strdup(b->mem, line);
if (!line2)
return_0;
if (!str_list_add(b->mem, b->result, line2))
return_0;
return 1;
}
static int _cache_settings_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct lv_segment *seg = (const struct lv_segment *) data;
const struct dm_config_node *settings;
struct dm_list *result;
struct _str_list_append_baton baton;
struct dm_list dummy_list; /* dummy list to display "nothing" */
if (seg_is_cache(seg))
seg = first_seg(seg->pool_lv);
else if (!seg_is_cache_pool(seg)) {
dm_list_init(&dummy_list);
return _field_set_string_list(rh, field, &dummy_list, private, 0);
/* TODO: once we have support for STR_LIST reserved values, replace with:
* return _field_set_value(field, GET_FIRST_RESERVED_NAME(cache_settings_undef), GET_FIELD_RESERVED_VALUE(cache_settings_undef));
*/
}
if (seg->policy_settings)
settings = seg->policy_settings->child;
else {
dm_list_init(&dummy_list);
return _field_set_string_list(rh, field, &dummy_list, private, 0);
/* TODO: once we have support for STR_LIST reserved values, replace with:
* return _field_set_value(field, GET_FIRST_RESERVED_NAME(cache_settings_undef), GET_FIELD_RESERVED_VALUE(cache_settings_undef));
*/
}
if (!(result = str_list_create(mem)))
return_0;
baton.mem = mem;
baton.result = result;
while (settings) {
dm_config_write_one_node(settings, _str_list_append, &baton);
settings = settings->sib;
};
return _field_set_string_list(rh, field, result, private, 0);
}
static int _cache_policy_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct lv_segment *seg = (const struct lv_segment *) data;
if (seg_is_cache(seg))
seg = first_seg(seg->pool_lv);
else if (!seg_is_cache_pool(seg) || !seg->policy_name)
return _field_set_value(field, GET_FIRST_RESERVED_NAME(cache_policy_undef),
GET_FIELD_RESERVED_VALUE(cache_policy_undef));
if (!seg->policy_name) {
log_error(INTERNAL_ERROR "Unexpected NULL policy name.");
return 0;
}
return _field_set_value(field, seg->policy_name, NULL);
}
static int _modules_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
struct dm_list *modules;
if (!(modules = str_list_create(mem))) {
log_error("modules str_list allocation failed");
return 0;
}
if (!(list_lv_modules(mem, lv, modules)))
return_0;
return _field_set_string_list(rh, field, modules, private, 1);
}
static int _lvprofile_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
if (lv->profile)
return dm_report_field_string(rh, field, &lv->profile->name);
return _field_set_value(field, "", NULL);
}
static int _lvlockargs_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
const char *repstr = lv->lock_args ? lv->lock_args : "";
return _string_disp(rh, mem, field, &repstr, private);
}
static int _vgfmt_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct volume_group *vg = (const struct volume_group *) data;
if (vg->fid && vg->fid->fmt)
return _string_disp(rh, mem, field, &vg->fid->fmt->name, private);
return _field_set_value(field, "", NULL);
}
static int _pvfmt_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct label *l =
(const struct label *) data;
if (!l->labeller || !l->labeller->fmt) {
dm_report_field_set_value(field, "", NULL);
return 1;
}
return _string_disp(rh, mem, field, &l->labeller->fmt->name, private);
}
static int _lvkmaj_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
const struct lv_with_info_and_seg_status *lvdm = (const struct lv_with_info_and_seg_status *) data;
if (lvdm->info.exists && lvdm->info.major >= 0)
return dm_report_field_int(rh, field, &lvdm->info.major);
return dm_report_field_int32(rh, field, &GET_TYPE_RESERVED_VALUE(num_undef_32));
}
static int _lvkmin_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
const struct lv_with_info_and_seg_status *lvdm = (const struct lv_with_info_and_seg_status *) data;
if (lvdm->info.exists && lvdm->info.minor >= 0)
return dm_report_field_int(rh, field, &lvdm->info.minor);
return dm_report_field_int32(rh, field, &GET_TYPE_RESERVED_VALUE(num_undef_32));
}
static int _lvstatus_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
const struct lv_with_info_and_seg_status *lvdm = (const struct lv_with_info_and_seg_status *) data;
char *repstr;
if (!(repstr = lv_attr_dup_with_info_and_seg_status(mem, lvdm)))
return_0;
return _field_set_value(field, repstr, NULL);
}
static int _pvstatus_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
const struct physical_volume *pv =
(const struct physical_volume *) data;
char *repstr;
if (!(repstr = pv_attr_dup(mem, pv)))
return_0;
return _field_set_value(field, repstr, NULL);
}
static int _vgstatus_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
const struct volume_group *vg = (const struct volume_group *) data;
char *repstr;
if (!(repstr = vg_attr_dup(mem, vg)))
return_0;
return _field_set_value(field, repstr, NULL);
}
static int _segtype_disp(struct dm_report *rh __attribute__((unused)),
struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
const struct lv_segment *seg = (const struct lv_segment *) data;
char *name;
if (!(name = lvseg_segtype_dup(mem, seg))) {
log_error("Failed to get segtype name.");
return 0;
}
return _field_set_value(field, name, NULL);
}
static int _do_loglv_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)),
int uuid)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
const char *repstr = NULL;
if (uuid)
repstr = lv_mirror_log_uuid_dup(mem, lv);
else
repstr = lv_mirror_log_dup(mem, lv);
if (repstr)
return dm_report_field_string(rh, field, &repstr);
return _field_set_value(field, "", NULL);
}
static int _loglv_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
return _do_loglv_disp(rh, mem, field, data, private, 0);
}
static int _loglvuuid_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
return _do_loglv_disp(rh, mem, field, data, private, 1);
}
static int _lvname_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
const struct logical_volume *lv = (const struct logical_volume *) data;
char *repstr, *lvname;
size_t len;
if (lv_is_visible(lv))
return dm_report_field_string(rh, field, &lv->name);
len = strlen(lv->name) + 3;
if (!(repstr = dm_pool_zalloc(mem, len))) {
log_error("dm_pool_alloc failed");
return 0;
}
if (dm_snprintf(repstr, len, "[%s]", lv->name) < 0) {
log_error("lvname snprintf failed");
return 0;
}
if (!(lvname = dm_pool_strdup(mem, lv->name))) {
log_error("dm_pool_strdup failed");
return 0;
}
return _field_set_value(field, repstr, lvname);
}
static int _lvfullname_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
const struct logical_volume *lv = (const struct logical_volume *) data;
char *repstr;
if (!(repstr = lv_fullname_dup(mem, lv)))
return_0;
return _field_set_value(field, repstr, NULL);
}
static int _lvparent_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
const struct logical_volume *lv = (const struct logical_volume *) data;
char *repstr;
if (!(repstr = lv_parent_dup(mem, lv)))
return_0;
return _field_set_value(field, repstr, NULL);
}
static int _do_datalv_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)),
int uuid)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
const struct lv_segment *seg = (lv_is_pool(lv)) ? first_seg(lv) : NULL;
if (seg) {
if (uuid)
return _uuid_disp(rh, mem, field, &seg_lv(seg, 0)->lvid.id[1], private);
else
return _lvname_disp(rh, mem, field, seg_lv(seg, 0), private);
}
return _field_set_value(field, "", NULL);
}
static int _datalv_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
return _do_datalv_disp(rh, mem, field, data, private, 0);
}
static int _datalvuuid_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
return _do_datalv_disp(rh, mem, field, data, private, 1);
}
static int _do_metadatalv_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)),
int uuid)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
const struct lv_segment *seg = (lv_is_pool(lv)) ? first_seg(lv) : NULL;
if (seg) {
if (uuid)
return _uuid_disp(rh, mem, field, &seg->metadata_lv->lvid.id[1], private);
else
return _lvname_disp(rh, mem, field, seg->metadata_lv, private);
}
return _field_set_value(field, "", NULL);
}
static int _metadatalv_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
return _do_metadatalv_disp(rh, mem, field, data, private, 0);
}
static int _metadatalvuuid_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
return _do_metadatalv_disp(rh, mem, field, data, private, 1);
}
static int _do_poollv_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private,
int uuid)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
struct lv_segment *seg = (lv_is_thin_volume(lv) || lv_is_cache(lv)) ?
first_seg(lv) : NULL;
if (seg) {
if (uuid)
return _uuid_disp(rh, mem, field, &seg->pool_lv->lvid.id[1], private);
else
return _lvname_disp(rh, mem, field, seg->pool_lv, private);
}
return _field_set_value(field, "", NULL);
}
static int _poollv_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
return _do_poollv_disp(rh, mem, field, data, private, 0);
}
static int _poollvuuid_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
return _do_poollv_disp(rh, mem, field, data, private, 1);
}
static int _lvpath_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
const struct logical_volume *lv = (const struct logical_volume *) data;
char *repstr;
if (!(repstr = lv_path_dup(mem, lv)))
return_0;
return _field_set_value(field, repstr, NULL);
}
static int _lvdmpath_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
const struct logical_volume *lv = (const struct logical_volume *) data;
char *repstr;
if (!(repstr = lv_dmpath_dup(mem, lv)))
return_0;
return _field_set_value(field, repstr, NULL);
}
static int _do_origin_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private,
int uuid)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
const struct lv_segment *seg = first_seg(lv);
struct logical_volume *origin;
if (lv_is_cow(lv))
origin = origin_from_cow(lv);
else if (lv_is_cache(lv) && !lv_is_pending_delete(lv))
origin = seg_lv(seg, 0);
else if (lv_is_thin_volume(lv) && first_seg(lv)->origin)
origin = first_seg(lv)->origin;
else if (lv_is_thin_volume(lv) && first_seg(lv)->external_lv)
origin = first_seg(lv)->external_lv;
else
return _field_set_value(field, "", NULL);
if (uuid)
return _uuid_disp(rh, mem, field, &origin->lvid.id[1], private);
else
return _lvname_disp(rh, mem, field, origin, private);
}
static int _origin_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
return _do_origin_disp(rh, mem, field, data, private, 0);
}
static int _originuuid_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
return _do_origin_disp(rh, mem, field, data, private, 1);
}
static int _find_ancestors(struct _str_list_append_baton *ancestors,
struct logical_volume *lv)
{
struct logical_volume *ancestor_lv = NULL;
struct lv_segment *seg;
if (lv_is_cow(lv)) {
ancestor_lv = origin_from_cow(lv);
} else if (lv_is_thin_volume(lv)) {
seg = first_seg(lv);
if (seg->origin)
ancestor_lv = seg->origin;
else if (seg->external_lv)
ancestor_lv = seg->external_lv;
}
if (ancestor_lv) {
if (!_str_list_append(ancestor_lv->name, ancestors))
return_0;
if (!_find_ancestors(ancestors, ancestor_lv))
return_0;
}
return 1;
}
static int _lvancestors_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
struct logical_volume *lv = (struct logical_volume *) data;
struct _str_list_append_baton ancestors;
ancestors.mem = mem;
if (!(ancestors.result = str_list_create(mem)))
return_0;
if (!_find_ancestors(&ancestors, lv)) {
dm_pool_free(ancestors.mem, ancestors.result);
return_0;
}
return _field_set_string_list(rh, field, ancestors.result, private, 0);
}
static int _find_descendants(struct _str_list_append_baton *descendants,
struct logical_volume *lv)
{
struct logical_volume *descendant_lv = NULL;
const struct seg_list *sl;
struct lv_segment *seg;
if (lv_is_origin(lv)) {
dm_list_iterate_items_gen(seg, &lv->snapshot_segs, origin_list) {
if ((descendant_lv = seg->cow)) {
if (!_str_list_append(descendant_lv->name, descendants))
return_0;
if (!_find_descendants(descendants, descendant_lv))
return_0;
}
}
} else {
dm_list_iterate_items(sl, &lv->segs_using_this_lv) {
if (lv_is_thin_volume(sl->seg->lv)) {
seg = first_seg(sl->seg->lv);
if ((seg->origin == lv) || (seg->external_lv == lv))
descendant_lv = sl->seg->lv;
}
if (descendant_lv) {
if (!_str_list_append(descendant_lv->name, descendants))
return_0;
if (!_find_descendants(descendants, descendant_lv))
return_0;
}
}
}
return 1;
}
static int _lvdescendants_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
struct logical_volume *lv = (struct logical_volume *) data;
struct _str_list_append_baton descendants;
descendants.mem = mem;
if (!(descendants.result = str_list_create(mem)))
return_0;
if (!_find_descendants(&descendants, lv)) {
dm_pool_free(descendants.mem, descendants.result);
return_0;
}
return _field_set_string_list(rh, field, descendants.result, private, 0);
}
static int _do_movepv_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)),
int uuid)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
const char *repstr;
if (uuid)
repstr = lv_move_pv_uuid_dup(mem, lv);
else
repstr = lv_move_pv_dup(mem, lv);
if (repstr)
return dm_report_field_string(rh, field, &repstr);
return _field_set_value(field, "", NULL);
}
static int _movepv_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
return _do_movepv_disp(rh, mem, field, data, private, 0);
}
static int _movepvuuid_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
return _do_movepv_disp(rh, mem, field, data, private, 1);
}
static int _do_convertlv_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)),
int uuid)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
const char *repstr;
if (uuid)
repstr = lv_convert_lv_uuid_dup(mem, lv);
else
repstr = lv_convert_lv_dup(mem, lv);
if (repstr)
return dm_report_field_string(rh, field, &repstr);
return _field_set_value(field, "", NULL);
}
static int _convertlv_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
return _do_convertlv_disp(rh, mem, field, data, private, 0);
}
static int _convertlvuuid_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
return _do_convertlv_disp(rh, mem, field, data, private, 1);
}
static int _size32_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const uint32_t size = *(const uint32_t *) data;
const char *disp, *repstr;
double *sortval;
if (!*(disp = display_size_units(private, (uint64_t) size)))
return_0;
if (!(repstr = dm_pool_strdup(mem, disp))) {
log_error("dm_pool_strdup failed");
return 0;
}
if (!(sortval = dm_pool_alloc(mem, sizeof(uint64_t)))) {
log_error("dm_pool_alloc failed");
return 0;
}
*sortval = (double) size;
return _field_set_value(field, repstr, sortval);
}
static int _size64_disp(struct dm_report *rh __attribute__((unused)),
struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const uint64_t size = *(const uint64_t *) data;
const char *disp, *repstr;
double *sortval;
if (!*(disp = display_size_units(private, size)))
return_0;
if (!(repstr = dm_pool_strdup(mem, disp))) {
log_error("dm_pool_strdup failed");
return 0;
}
if (!(sortval = dm_pool_alloc(mem, sizeof(double)))) {
log_error("dm_pool_alloc failed");
return 0;
}
*sortval = (double) size;
return _field_set_value(field, repstr, sortval);
}
static int _uint32_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
return dm_report_field_uint32(rh, field, data);
}
static int _int8_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
const int32_t val = *(const int8_t *)data;
return dm_report_field_int32(rh, field, &val);
}
static int _int32_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
return dm_report_field_int32(rh, field, data);
}
static int _lvwhenfull_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
const struct logical_volume *lv = (const struct logical_volume *) data;
if (lv_is_thin_pool(lv)) {
if (lv->status & LV_ERROR_WHEN_FULL)
return _field_set_value(field, GET_FIRST_RESERVED_NAME(lv_when_full_error),
GET_FIELD_RESERVED_VALUE(lv_when_full_error));
else
return _field_set_value(field, GET_FIRST_RESERVED_NAME(lv_when_full_queue),
GET_FIELD_RESERVED_VALUE(lv_when_full_queue));
}
return _field_set_value(field, GET_FIRST_RESERVED_NAME(lv_when_full_undef),
GET_FIELD_RESERVED_VALUE(lv_when_full_undef));
}
static int _lvreadahead_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
const struct logical_volume *lv = (const struct logical_volume *) data;
if (lv->read_ahead == DM_READ_AHEAD_AUTO)
return _field_set_value(field, GET_FIRST_RESERVED_NAME(lv_read_ahead_auto),
GET_FIELD_RESERVED_VALUE(lv_read_ahead_auto));
return _size32_disp(rh, mem, field, &lv->read_ahead, private);
}
static int _lvkreadahead_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data,
void *private)
{
const struct lv_with_info_and_seg_status *lvdm = (const struct lv_with_info_and_seg_status *) data;
if (!lvdm->info.exists)
return dm_report_field_int32(rh, field, &GET_TYPE_RESERVED_VALUE(num_undef_32));
return _size32_disp(rh, mem, field, &lvdm->info.read_ahead, private);
}
static int _vgsize_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct volume_group *vg = (const struct volume_group *) data;
uint64_t size = vg_size(vg);
return _size64_disp(rh, mem, field, &size, private);
}
static int _segmonitor_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct lv_segment *seg = (const struct lv_segment *)data;
char *str;
if (!(str = lvseg_monitor_dup(mem, seg)))
return_0;
if (*str)
return _field_set_value(field, str, NULL);
return _field_set_value(field, GET_FIRST_RESERVED_NAME(seg_monitor_undef),
GET_FIELD_RESERVED_VALUE(seg_monitor_undef));
}
static int _segstart_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct lv_segment *seg = (const struct lv_segment *) data;
uint64_t start = lvseg_start(seg);
return _size64_disp(rh, mem, field, &start, private);
}
static int _segstartpe_disp(struct dm_report *rh,
struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data,
void *private __attribute__((unused)))
{
const struct lv_segment *seg = (const struct lv_segment *) data;
return dm_report_field_uint32(rh, field, &seg->le);
}
static int _segsize_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct lv_segment *seg = (const struct lv_segment *) data;
uint64_t size = lvseg_size(seg);
return _size64_disp(rh, mem, field, &size, private);
}
static int _segsizepe_disp(struct dm_report *rh,
struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data,
void *private __attribute__((unused)))
{
const struct lv_segment *seg = (const struct lv_segment *) data;
return dm_report_field_uint32(rh, field, &seg->len);
}
static int _chunksize_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct lv_segment *seg = (const struct lv_segment *) data;
uint64_t size = lvseg_chunksize(seg);
return _size64_disp(rh, mem, field, &size, private);
}
static int _transactionid_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct lv_segment *seg = (const struct lv_segment *) data;
if (seg_is_thin_pool(seg))
return dm_report_field_uint64(rh, field, &seg->transaction_id);
return _field_set_value(field, "", &GET_TYPE_RESERVED_VALUE(num_undef_64));
}
static int _thinid_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct lv_segment *seg = (const struct lv_segment *) data;
if (seg_is_thin_volume(seg))
return dm_report_field_uint32(rh, field, &seg->device_id);
return _field_set_value(field, "", &GET_TYPE_RESERVED_VALUE(num_undef_64));
}
static int _discards_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct lv_segment *seg = (const struct lv_segment *) data;
const char *discards_str;
if (seg_is_thin_volume(seg))
seg = first_seg(seg->pool_lv);
if (seg_is_thin_pool(seg)) {
discards_str = get_pool_discards_name(seg->discards);
return dm_report_field_string(rh, field, &discards_str);
}
return _field_set_value(field, "", NULL);
}
static int _cachemode_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct lv_segment *seg = (const struct lv_segment *) data;
const char *cachemode_str;
if (seg_is_cache(seg))
seg = first_seg(seg->pool_lv);
if (seg_is_cache_pool(seg) && cache_mode_is_set(seg)) {
if (!(cachemode_str = get_cache_mode_name(seg)))
return_0;
return dm_report_field_string(rh, field, &cachemode_str);
}
return _field_set_value(field, "", NULL);
}
static int _originsize_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
uint64_t size = lv_origin_size(lv);
if (size)
return _size64_disp(rh, mem, field, &size, private);
return _field_set_value(field, "", &_zero64);
}
static int _pvused_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct physical_volume *pv =
(const struct physical_volume *) data;
uint64_t used = pv_used(pv);
return _size64_disp(rh, mem, field, &used, private);
}
static int _pvfree_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct physical_volume *pv =
(const struct physical_volume *) data;
uint64_t freespace = pv_free(pv);
return _size64_disp(rh, mem, field, &freespace, private);
}
static int _pvsize_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct physical_volume *pv =
(const struct physical_volume *) data;
uint64_t size = pv_size_field(pv);
return _size64_disp(rh, mem, field, &size, private);
}
static int _devsize_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
struct device *dev = *(struct device * const *) data;
uint64_t size;
if (!dev || !dev->dev || !dev_get_size(dev, &size))
size = _zero64;
return _size64_disp(rh, mem, field, &size, private);
}
static int _vgfree_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct volume_group *vg = (const struct volume_group *) data;
uint64_t freespace = vg_free(vg);
return _size64_disp(rh, mem, field, &freespace, private);
}
static int _vgsystemid_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct volume_group *vg = (const struct volume_group *) data;
const char *repstr = (vg->system_id && *vg->system_id) ? vg->system_id : vg->lvm1_system_id ? : "";
return _string_disp(rh, mem, field, &repstr, private);
}
static int _vglocktype_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct volume_group *vg = (const struct volume_group *) data;
const char *repstr = vg->lock_type ? vg->lock_type : "";
return _string_disp(rh, mem, field, &repstr, private);
}
static int _vglockargs_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct volume_group *vg = (const struct volume_group *) data;
const char *repstr = vg->lock_args ? vg->lock_args : "";
return _string_disp(rh, mem, field, &repstr, private);
}
static int _pvuuid_disp(struct dm_report *rh __attribute__((unused)), struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
const struct label *label = (const struct label *) data;
if (!label->dev)
return _field_set_value(field, "", NULL);
return _uuid_disp(rh, mem, field, label->dev->pvid, private);
}
static int _pvmdas_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct physical_volume *pv =
(const struct physical_volume *) data;
uint32_t count = pv_mda_count(pv);
return _uint32_disp(rh, mem, field, &count, private);
}
static int _pvmdasused_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct physical_volume *pv =
(const struct physical_volume *) data;
uint32_t count = pv_mda_used_count(pv);
return _uint32_disp(rh, mem, field, &count, private);
}
static int _vgmdas_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct volume_group *vg = (const struct volume_group *) data;
uint32_t count = vg_mda_count(vg);
return _uint32_disp(rh, mem, field, &count, private);
}
static int _vgmdasused_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct volume_group *vg = (const struct volume_group *) data;
uint32_t count = vg_mda_used_count(vg);
return _uint32_disp(rh, mem, field, &count, private);
}
static int _vgmdacopies_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct volume_group *vg = (const struct volume_group *) data;
uint32_t count = vg_mda_copies(vg);
if (count == VGMETADATACOPIES_UNMANAGED)
return _field_set_value(field, GET_FIRST_RESERVED_NAME(vg_mda_copies_unmanaged),
GET_FIELD_RESERVED_VALUE(vg_mda_copies_unmanaged));
return _uint32_disp(rh, mem, field, &count, private);
}
static int _vgprofile_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct volume_group *vg = (const struct volume_group *) data;
if (vg->profile)
return dm_report_field_string(rh, field, &vg->profile->name);
return _field_set_value(field, "", NULL);
}
static int _vgmissingpvcount_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct volume_group *vg = (const struct volume_group *) data;
uint32_t count = vg_missing_pv_count(vg);
return _uint32_disp(rh, mem, field, &count, private);
}
static int _pvmdafree_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct label *label = (const struct label *) data;
uint64_t freespace = lvmcache_info_mda_free(label->info);
return _size64_disp(rh, mem, field, &freespace, private);
}
static int _pvmdasize_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct label *label = (const struct label *) data;
uint64_t min_mda_size = lvmcache_smallest_mda_size(label->info);
return _size64_disp(rh, mem, field, &min_mda_size, private);
}
static int _vgmdasize_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct volume_group *vg = (const struct volume_group *) data;
uint64_t min_mda_size = vg_mda_size(vg);
return _size64_disp(rh, mem, field, &min_mda_size, private);
}
static int _vgmdafree_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct volume_group *vg = (const struct volume_group *) data;
uint64_t freespace = vg_mda_free(vg);
return _size64_disp(rh, mem, field, &freespace, private);
}
static int _lvcount_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct volume_group *vg = (const struct volume_group *) data;
uint32_t count = vg_visible_lvs(vg);
return _uint32_disp(rh, mem, field, &count, private);
}
static int _lvsegcount_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
uint32_t count = dm_list_size(&lv->segments);
return _uint32_disp(rh, mem, field, &count, private);
}
static int _snapcount_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct volume_group *vg = (const struct volume_group *) data;
uint32_t count = snapshot_count(vg);
return _uint32_disp(rh, mem, field, &count, private);
}
static int _snpercent_disp(struct dm_report *rh, struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
const struct logical_volume *lv = (const struct logical_volume *) data;
dm_percent_t snap_percent;
if ((lv_is_cow(lv) || lv_is_merging_origin(lv)) &&
lv_snapshot_percent(lv, &snap_percent)) {
if ((snap_percent != DM_PERCENT_INVALID) &&
(snap_percent != LVM_PERCENT_MERGE_FAILED))
return dm_report_field_percent(rh, field, &snap_percent);
if (!lv_is_merging_origin(lv)) {
snap_percent = DM_PERCENT_100;
return dm_report_field_percent(rh, field, &snap_percent);
}
/*
* on activate merge that hasn't started yet would
* otherwise display incorrect snap% in origin
*/
}
snap_percent = DM_PERCENT_INVALID;
return dm_report_field_percent(rh, field, &snap_percent);
}
static int _copypercent_disp(struct dm_report *rh,
struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private __attribute__((unused)))
{
const struct logical_volume *lv = (const struct logical_volume *) data;
struct lv_status_cache *status;
dm_percent_t percent = DM_PERCENT_INVALID;
if (((lv_is_raid(lv) && lv_raid_percent(lv, &percent)) ||
(lv_is_mirror(lv) && lv_mirror_percent(lv->vg->cmd, lv, 0, &percent, NULL))) &&
(percent != DM_PERCENT_INVALID)) {
percent = copy_percent(lv);
} else if (lv_is_cache(lv) || lv_is_cache_pool(lv)) {
if (lv_cache_status(lv, &status)) {
percent = status->dirty_usage;
dm_pool_destroy(status->mem);
}
}
return dm_report_field_percent(rh, field, &percent);
}
static int _raidsyncaction_disp(struct dm_report *rh __attribute__((unused)),
struct dm_pool *mem,
struct dm_report_field *field,
const void *data,
void *private __attribute__((unused)))
{
const struct logical_volume *lv = (const struct logical_volume *) data;
char *sync_action;
if (lv_is_raid(lv) && lv_raid_sync_action(lv, &sync_action))
return _string_disp(rh, mem, field, &sync_action, private);
return _field_set_value(field, "", NULL);
}
static int _raidmismatchcount_disp(struct dm_report *rh __attribute__((unused)),
struct dm_pool *mem,
struct dm_report_field *field,
const void *data,
void *private __attribute__((unused)))
{
const struct logical_volume *lv = (const struct logical_volume *) data;
uint64_t mismatch_count;
if (lv_is_raid(lv) && lv_raid_mismatch_count(lv, &mismatch_count))
return dm_report_field_uint64(rh, field, &mismatch_count);
return _field_set_value(field, "", &GET_TYPE_RESERVED_VALUE(num_undef_64));
}
static int _raidwritebehind_disp(struct dm_report *rh __attribute__((unused)),
struct dm_pool *mem,
struct dm_report_field *field,
const void *data,
void *private __attribute__((unused)))
{
const struct logical_volume *lv = (const struct logical_volume *) data;
if (lv_is_raid_type(lv) && first_seg(lv)->writebehind)
return dm_report_field_uint32(rh, field, &first_seg(lv)->writebehind);
return _field_set_value(field, "", &GET_TYPE_RESERVED_VALUE(num_undef_64));
}
static int _raidminrecoveryrate_disp(struct dm_report *rh __attribute__((unused)),
struct dm_pool *mem,
struct dm_report_field *field,
const void *data,
void *private __attribute__((unused)))
{
const struct logical_volume *lv = (const struct logical_volume *) data;
if (lv_is_raid_type(lv) && first_seg(lv)->min_recovery_rate)
return dm_report_field_uint32(rh, field,
&first_seg(lv)->min_recovery_rate);
return _field_set_value(field, "", &GET_TYPE_RESERVED_VALUE(num_undef_64));
}
static int _raidmaxrecoveryrate_disp(struct dm_report *rh __attribute__((unused)),
struct dm_pool *mem,
struct dm_report_field *field,
const void *data,
void *private __attribute__((unused)))
{
const struct logical_volume *lv = (const struct logical_volume *) data;
if (lv_is_raid_type(lv) && first_seg(lv)->max_recovery_rate)
return dm_report_field_uint32(rh, field,
&first_seg(lv)->max_recovery_rate);
return _field_set_value(field, "", &GET_TYPE_RESERVED_VALUE(num_undef_64));
}
static int _datapercent_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
dm_percent_t percent = DM_PERCENT_INVALID;
struct lv_status_cache *status;
if (lv_is_cow(lv))
return _snpercent_disp(rh, mem, field, data, private);
else if (lv_is_thin_pool(lv))
(void) lv_thin_pool_percent(lv, 0, &percent);
else if (lv_is_thin_volume(lv))
(void) lv_thin_percent(lv, 0, &percent);
else if (lv_is_cache(lv) || lv_is_cache_pool(lv)) {
if (lv_cache_status(lv, &status)) {
percent = status->data_usage;
dm_pool_destroy(status->mem);
}
}
return dm_report_field_percent(rh, field, &percent);
}
static int _metadatapercent_disp(struct dm_report *rh,
struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
dm_percent_t percent = DM_PERCENT_INVALID;
struct lv_status_cache *status;
if (lv_is_thin_pool(lv))
(void) lv_thin_pool_percent(lv, 1, &percent);
else if (lv_is_thin_volume(lv))
(void) lv_thin_percent(lv, 1, &percent);
else if (lv_is_cache(lv) || lv_is_cache_pool(lv)) {
if (lv_cache_status(lv, &status)) {
percent = status->metadata_usage;
dm_pool_destroy(status->mem);
}
}
return dm_report_field_percent(rh, field, &percent);
}
static int _lvmetadatasize_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
uint64_t size;
if (lv_is_thin_pool(lv) || lv_is_cache_pool(lv)) {
size = lv_metadata_size(lv);
return _size64_disp(rh, mem, field, &size, private);
}
return _field_set_value(field, "", &GET_TYPE_RESERVED_VALUE(num_undef_64));
}
static int _thincount_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct lv_segment *seg = (const struct lv_segment *) data;
uint32_t count;
if (seg_is_thin_pool(seg)) {
count = dm_list_size(&seg->lv->segs_using_this_lv);
return _uint32_disp(rh, mem, field, &count, private);
}
return _field_set_value(field, "", &GET_TYPE_RESERVED_VALUE(num_undef_64));
}
static int _lvtime_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
char *repstr;
uint64_t *sortval;
if (!(repstr = lv_time_dup(mem, lv, 0)) ||
!(sortval = dm_pool_alloc(mem, sizeof(uint64_t)))) {
log_error("Failed to allocate buffer for time.");
return 0;
}
*sortval = lv->timestamp;
return _field_set_value(field, repstr, sortval);
}
static int _lvhost_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
char *repstr;
if (!(repstr = lv_host_dup(mem, lv))) {
log_error("Failed to allocate buffer for host.");
return 0;
}
return _field_set_value(field, repstr, NULL);
}
/* PV/VG/LV Attributes */
static int _pvallocatable_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
int allocatable = (((const struct physical_volume *) data)->status & ALLOCATABLE_PV) != 0;
return _binary_disp(rh, mem, field, allocatable, GET_FIRST_RESERVED_NAME(pv_allocatable_y), private);
}
static int _pvexported_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
int exported = (((const struct physical_volume *) data)->status & EXPORTED_VG) != 0;
return _binary_disp(rh, mem, field, exported, GET_FIRST_RESERVED_NAME(pv_exported_y), private);
}
static int _pvmissing_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
int missing = (((const struct physical_volume *) data)->status & MISSING_PV) != 0;
return _binary_disp(rh, mem, field, missing, GET_FIRST_RESERVED_NAME(pv_missing_y), private);
}
static int _vgpermissions_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const char *perms = ((const struct volume_group *) data)->status & LVM_WRITE ? GET_FIRST_RESERVED_NAME(vg_permissions_rw)
: GET_FIRST_RESERVED_NAME(vg_permissions_r);
return _string_disp(rh, mem, field, &perms, private);
}
static int _vgextendable_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
int extendable = (vg_is_resizeable((const struct volume_group *) data)) != 0;
return _binary_disp(rh, mem, field, extendable, GET_FIRST_RESERVED_NAME(vg_extendable_y),private);
}
static int _vgexported_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
int exported = (vg_is_exported((const struct volume_group *) data)) != 0;
return _binary_disp(rh, mem, field, exported, GET_FIRST_RESERVED_NAME(vg_exported_y), private);
}
static int _vgpartial_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
int partial = (vg_missing_pv_count((const struct volume_group *) data)) != 0;
return _binary_disp(rh, mem, field, partial, GET_FIRST_RESERVED_NAME(vg_partial_y), private);
}
static int _vgallocationpolicy_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const char *alloc_policy = get_alloc_string(((const struct volume_group *) data)->alloc) ? : _str_unknown;
return _string_disp(rh, mem, field, &alloc_policy, private);
}
static int _vgclustered_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
int clustered = (vg_is_clustered((const struct volume_group *) data)) != 0;
return _binary_disp(rh, mem, field, clustered, GET_FIRST_RESERVED_NAME(vg_clustered_y), private);
}
static int _lvlayout_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
struct dm_list *lv_layout;
struct dm_list *lv_role;
if (!lv_layout_and_role(mem, lv, &lv_layout, &lv_role)) {
log_error("Failed to display layout for LV %s/%s.", lv->vg->name, lv->name);
return 0;
}
return _field_set_string_list(rh, field, lv_layout, private, 0);
}
static int _lvrole_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
struct dm_list *lv_layout;
struct dm_list *lv_role;
if (!lv_layout_and_role(mem, lv, &lv_layout, &lv_role)) {
log_error("Failed to display role for LV %s/%s.", lv->vg->name, lv->name);
return 0;
}
return _field_set_string_list(rh, field, lv_role, private, 0);
}
static int _lvinitialimagesync_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
int initial_image_sync;
if (lv_is_raid(lv) || lv_is_mirrored(lv))
initial_image_sync = (lv->status & LV_NOTSYNCED) == 0;
else
initial_image_sync = 0;
return _binary_disp(rh, mem, field, initial_image_sync, GET_FIRST_RESERVED_NAME(lv_initial_image_sync_y), private);
}
static int _lvimagesynced_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
int image_synced;
if (lv_is_raid_image(lv))
image_synced = !lv_is_visible(lv) && lv_raid_image_in_sync(lv);
else if (lv_is_mirror_image(lv))
image_synced = lv_mirror_image_in_sync(lv);
else
image_synced = 0;
return _binary_disp(rh, mem, field, image_synced, GET_FIRST_RESERVED_NAME(lv_image_synced_y), private);
}
static int _lvmerging_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
int merging;
if (lv_is_origin(lv) || lv_is_external_origin(lv))
merging = lv_is_merging_origin(lv);
else if (lv_is_cow(lv))
merging = lv_is_merging_cow(lv);
else if (lv_is_thin_volume(lv))
merging = lv_is_merging_thin_snapshot(lv);
else
merging = 0;
return _binary_disp(rh, mem, field, merging, GET_FIRST_RESERVED_NAME(lv_merging_y), private);
}
static int _lvconverting_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
int converting = lv_is_converting((const struct logical_volume *) data);
return _binary_disp(rh, mem, field, converting, "converting", private);
}
static int _lvpermissions_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct lv_with_info_and_seg_status *lvdm = (const struct lv_with_info_and_seg_status *) data;
const char *perms = "";
if (!lv_is_pvmove(lvdm->lv)) {
if (lvdm->lv->status & LVM_WRITE) {
if (!lvdm->info.exists)
perms = _str_unknown;
else if (lvdm->info.read_only)
perms = GET_FIRST_RESERVED_NAME(lv_permissions_r_override);
else
perms = GET_FIRST_RESERVED_NAME(lv_permissions_rw);
} else if (lvdm->lv->status & LVM_READ)
perms = GET_FIRST_RESERVED_NAME(lv_permissions_r);
else
perms = _str_unknown;
}
return _string_disp(rh, mem, field, &perms, private);
}
static int _lvallocationpolicy_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const char *alloc_policy = get_alloc_string(((const struct logical_volume *) data)->alloc) ? : _str_unknown;
return _string_disp(rh, mem, field, &alloc_policy, private);
}
static int _lvallocationlocked_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
int alloc_locked = (((const struct logical_volume *) data)->status & LOCKED) != 0;
return _binary_disp(rh, mem, field, alloc_locked, GET_FIRST_RESERVED_NAME(lv_allocation_locked_y), private);
}
static int _lvfixedminor_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
int fixed_minor = (((const struct logical_volume *) data)->status & FIXED_MINOR) != 0;
return _binary_disp(rh, mem, field, fixed_minor, GET_FIRST_RESERVED_NAME(lv_fixed_minor_y), private);
}
static int _lvactive_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
char *repstr;
if (!(repstr = lv_active_dup(mem, (const struct logical_volume *) data))) {
log_error("Failed to allocate buffer for active.");
return 0;
}
return _field_set_value(field, repstr, NULL);
}
static int _lvactivelocally_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
int active_locally;
if (!activation())
return _binary_undef_disp(rh, mem, field, private);
if (vg_is_clustered(lv->vg)) {
lv = lv_lock_holder(lv);
active_locally = lv_is_active_locally(lv);
} else
active_locally = lv_is_active(lv);
return _binary_disp(rh, mem, field, active_locally, GET_FIRST_RESERVED_NAME(lv_active_locally_y), private);
}
static int _lvactiveremotely_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
int active_remotely;
if (!activation())
return _binary_undef_disp(rh, mem, field, private);
if (vg_is_clustered(lv->vg)) {
lv = lv_lock_holder(lv);
/* FIXME: It seems we have no way to get this info correctly
* with current interface - we'd need to check number
* of responses from the cluster:
* - if number of nodes that responded == 1
* - and LV is active on local node
* ..then we may say that LV is *not* active remotely.
*
* Otherwise ((responses > 1 && LV active locally) ||
* (responses == 1 && LV not active locally)), it's
* active remotely.
*
* We have this info, but hidden underneath the
* locking interface (locking_type.query_resource fn).
*
* For now, let's use 'unknown' for remote status if
* the LV is found active locally until we find a way to
* smuggle the proper information out of the interface.
*/
if (lv_is_active_locally(lv))
return _binary_undef_disp(rh, mem, field, private);
else
active_remotely = lv_is_active_but_not_locally(lv);
} else
active_remotely = 0;
return _binary_disp(rh, mem, field, active_remotely, GET_FIRST_RESERVED_NAME(lv_active_remotely_y), private);
}
static int _lvactiveexclusively_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
int active_exclusively;
if (!activation())
return _binary_undef_disp(rh, mem, field, private);
if (vg_is_clustered(lv->vg)) {
lv = lv_lock_holder(lv);
active_exclusively = lv_is_active_exclusive(lv);
} else
active_exclusively = lv_is_active(lv);
return _binary_disp(rh, mem, field, active_exclusively, GET_FIRST_RESERVED_NAME(lv_active_exclusively_y), private);
}
static int _lvmergefailed_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
dm_percent_t snap_percent;
int merge_failed;
if (!lv_is_cow(lv) || !lv_snapshot_percent(lv, &snap_percent))
return _field_set_value(field, _str_unknown, &GET_TYPE_RESERVED_VALUE(num_undef_64));
merge_failed = snap_percent == LVM_PERCENT_MERGE_FAILED;
return _binary_disp(rh, mem, field, merge_failed, GET_FIRST_RESERVED_NAME(lv_merge_failed_y), private);
}
static int _lvsnapshotinvalid_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct logical_volume *lv = (const struct logical_volume *) data;
dm_percent_t snap_percent;
int snap_invalid;
if (!lv_is_cow(lv))
return _field_set_value(field, _str_unknown, &GET_TYPE_RESERVED_VALUE(num_undef_64));
snap_invalid = !lv_snapshot_percent(lv, &snap_percent) || snap_percent == DM_PERCENT_INVALID;
return _binary_disp(rh, mem, field, snap_invalid, GET_FIRST_RESERVED_NAME(lv_snapshot_invalid_y), private);
}
static int _lvsuspended_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct lv_with_info_and_seg_status *lvdm = (const struct lv_with_info_and_seg_status *) data;
if (lvdm->info.exists)
return _binary_disp(rh, mem, field, lvdm->info.suspended, GET_FIRST_RESERVED_NAME(lv_suspended_y), private);
return _binary_undef_disp(rh, mem, field, private);
}
static int _lvlivetable_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct lv_with_info_and_seg_status *lvdm = (const struct lv_with_info_and_seg_status *) data;
if (lvdm->info.exists)
return _binary_disp(rh, mem, field, lvdm->info.live_table, GET_FIRST_RESERVED_NAME(lv_live_table_y), private);
return _binary_undef_disp(rh, mem, field, private);
}
static int _lvinactivetable_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct lv_with_info_and_seg_status *lvdm = (const struct lv_with_info_and_seg_status *) data;
if (lvdm->info.exists)
return _binary_disp(rh, mem, field, lvdm->info.inactive_table, GET_FIRST_RESERVED_NAME(lv_inactive_table_y), private);
return _binary_undef_disp(rh, mem, field, private);
}
static int _lvdeviceopen_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct lv_with_info_and_seg_status *lvdm = (const struct lv_with_info_and_seg_status *) data;
if (lvdm->info.exists)
return _binary_disp(rh, mem, field, lvdm->info.open_count, GET_FIRST_RESERVED_NAME(lv_device_open_y), private);
return _binary_undef_disp(rh, mem, field, private);
}
static int _thinzero_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct lv_segment *seg = (const struct lv_segment *) data;
if (seg_is_thin_pool(seg))
return _binary_disp(rh, mem, field, seg->zero_new_blocks, GET_FIRST_RESERVED_NAME(zero_y), private);
return _binary_undef_disp(rh, mem, field, private);
}
static int _lvhealthstatus_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
const struct lv_with_info_and_seg_status *lvdm = (const struct lv_with_info_and_seg_status *) data;
const struct logical_volume *lv = lvdm->lv;
const char *health = "";
uint64_t n;
if (lv->status & PARTIAL_LV)
health = "partial";
else if (lv_is_raid_type(lv)) {
if (!activation())
health = "unknown";
else if (!lv_raid_healthy(lv))
health = "refresh needed";
else if (lv_is_raid(lv)) {
if (lv_raid_mismatch_count(lv, &n) && n)
health = "mismatches exist";
} else if (lv->status & LV_WRITEMOSTLY)
health = "writemostly";
} else if (lv_is_thin_pool(lv) && (lvdm->seg_status.type != SEG_STATUS_NONE)) {
if (lvdm->seg_status.type != SEG_STATUS_THIN_POOL)
return _field_set_value(field, GET_FIRST_RESERVED_NAME(health_undef),
GET_FIELD_RESERVED_VALUE(health_undef));
else if (lvdm->seg_status.thin_pool->fail)
health = "failed";
else if (lvdm->seg_status.thin_pool->out_of_data_space)
health = "out_of_data";
else if (lvdm->seg_status.thin_pool->read_only)
health = "metadata_read_only";
}
return _string_disp(rh, mem, field, &health, private);
}
static int _lvskipactivation_disp(struct dm_report *rh, struct dm_pool *mem,
struct dm_report_field *field,
const void *data, void *private)
{
int skip_activation = (((const struct logical_volume *) data)->status & LV_ACTIVATION_SKIP) != 0;
return _binary_disp(rh, mem, field, skip_activation, "skip activation", private);
}
/*
* Macro to generate '_cache_<cache_status_field_name>_disp' reporting function.
* The 'cache_status_field_name' is field name from struct dm_cache_status.
*/
#define GENERATE_CACHE_STATUS_DISP_FN(cache_status_field_name) \
static int _cache_ ## cache_status_field_name ## _disp (struct dm_report *rh, \
struct dm_pool *mem, \
struct dm_report_field *field, \
const void *data, \
void *private) \
{ \
const struct lv_with_info_and_seg_status *lvdm = (const struct lv_with_info_and_seg_status *) data; \
if (lvdm->seg_status.type != SEG_STATUS_CACHE) \
return _field_set_value(field, "", &GET_TYPE_RESERVED_VALUE(num_undef_64)); \
return dm_report_field_uint64(rh, field, &lvdm->seg_status.cache->cache_status_field_name); \
}
GENERATE_CACHE_STATUS_DISP_FN(total_blocks)
GENERATE_CACHE_STATUS_DISP_FN(used_blocks)
GENERATE_CACHE_STATUS_DISP_FN(dirty_blocks)
GENERATE_CACHE_STATUS_DISP_FN(read_hits)
GENERATE_CACHE_STATUS_DISP_FN(read_misses)
GENERATE_CACHE_STATUS_DISP_FN(write_hits)
GENERATE_CACHE_STATUS_DISP_FN(write_misses)
/* Report object types */
/* necessary for displaying something for PVs not belonging to VG */
static struct format_instance _dummy_fid = {
.metadata_areas_in_use = DM_LIST_HEAD_INIT(_dummy_fid.metadata_areas_in_use),
.metadata_areas_ignored = DM_LIST_HEAD_INIT(_dummy_fid.metadata_areas_ignored),
};
static struct volume_group _dummy_vg = {
.fid = &_dummy_fid,
.name = "",
.system_id = (char *) "",
.lvm1_system_id = (char *) "",
.pvs = DM_LIST_HEAD_INIT(_dummy_vg.pvs),
.lvs = DM_LIST_HEAD_INIT(_dummy_vg.lvs),
.tags = DM_LIST_HEAD_INIT(_dummy_vg.tags),
};
static void *_obj_get_vg(void *obj)
{
struct volume_group *vg = ((struct lvm_report_object *)obj)->vg;
return vg ? vg : &_dummy_vg;
}
static void *_obj_get_lv(void *obj)
{
return (struct logical_volume *)((struct lvm_report_object *)obj)->lvdm->lv;
}
static void *_obj_get_lv_with_info_and_seg_status(void *obj)
{
return ((struct lvm_report_object *)obj)->lvdm;
}
static void *_obj_get_pv(void *obj)
{
return ((struct lvm_report_object *)obj)->pv;
}
static void *_obj_get_label(void *obj)
{
return ((struct lvm_report_object *)obj)->label;
}
static void *_obj_get_seg(void *obj)
{
return ((struct lvm_report_object *)obj)->seg;
}
static void *_obj_get_pvseg(void *obj)
{
return ((struct lvm_report_object *)obj)->pvseg;
}
static void *_obj_get_devtypes(void *obj)
{
return obj;
}
static const struct dm_report_object_type _report_types[] = {
{ VGS, "Volume Group", "vg_", _obj_get_vg },
{ LVS, "Logical Volume", "lv_", _obj_get_lv },
{ LVSINFO, "Logical Volume Device Info", "lv_", _obj_get_lv_with_info_and_seg_status },
{ LVSSTATUS, "Logical Volume Device Status", "lv_", _obj_get_lv_with_info_and_seg_status },
{ LVSINFOSTATUS, "Logical Volume Device Info and Status Combined", "lv_", _obj_get_lv_with_info_and_seg_status },
{ PVS, "Physical Volume", "pv_", _obj_get_pv },
{ LABEL, "Physical Volume Label", "pv_", _obj_get_label },
{ SEGS, "Logical Volume Segment", "seg_", _obj_get_seg },
{ SEGSSTATUS, "Logical Volume Device Segment Status", "seg_", _obj_get_lv_with_info_and_seg_status },
{ PVSEGS, "Physical Volume Segment", "pvseg_", _obj_get_pvseg },
{ 0, "", "", NULL },
};
static const struct dm_report_object_type _devtypes_report_types[] = {
{ DEVTYPES, "Device Types", "devtype_", _obj_get_devtypes },
{ 0, "", "", NULL },
};
/*
* Import column definitions
*/
#define STR DM_REPORT_FIELD_TYPE_STRING
#define NUM DM_REPORT_FIELD_TYPE_NUMBER
#define BIN DM_REPORT_FIELD_TYPE_NUMBER
#define SIZ DM_REPORT_FIELD_TYPE_SIZE
#define PCT DM_REPORT_FIELD_TYPE_PERCENT
#define TIM DM_REPORT_FIELD_TYPE_TIME
#define STR_LIST DM_REPORT_FIELD_TYPE_STRING_LIST
#define SNUM DM_REPORT_FIELD_TYPE_NUMBER
#define FIELD(type, strct, sorttype, head, field, width, func, id, desc, writeable) \
{type, sorttype, offsetof(type_ ## strct, field), width, \
#id, head, &_ ## func ## _disp, desc},
typedef struct physical_volume type_pv;
typedef struct logical_volume type_lv;
typedef struct volume_group type_vg;
typedef struct lv_segment type_seg;
typedef struct pv_segment type_pvseg;
typedef struct label type_label;
typedef dev_known_type_t type_devtype;
static const struct dm_report_field_type _fields[] = {
#include "columns.h"
{0, 0, 0, 0, "", "", NULL, NULL},
};
static const struct dm_report_field_type _devtypes_fields[] = {
#include "columns-devtypes.h"
{0, 0, 0, 0, "", "", NULL, NULL},
};
#undef STR
#undef NUM
#undef BIN
#undef SIZ
#undef STR_LIST
#undef SNUM
#undef FIELD
void *report_init(struct cmd_context *cmd, const char *format, const char *keys,
report_type_t *report_type, const char *separator,
int aligned, int buffered, int headings, int field_prefixes,
int quoted, int columns_as_rows, const char *selection)
{
uint32_t report_flags = 0;
int devtypes_report = *report_type & DEVTYPES ? 1 : 0;
void *rh;
if (aligned)
report_flags |= DM_REPORT_OUTPUT_ALIGNED;
if (buffered)
report_flags |= DM_REPORT_OUTPUT_BUFFERED;
if (headings)
report_flags |= DM_REPORT_OUTPUT_HEADINGS;
if (field_prefixes)
report_flags |= DM_REPORT_OUTPUT_FIELD_NAME_PREFIX;
if (!quoted)
report_flags |= DM_REPORT_OUTPUT_FIELD_UNQUOTED;
if (columns_as_rows)
report_flags |= DM_REPORT_OUTPUT_COLUMNS_AS_ROWS;
rh = dm_report_init_with_selection(report_type,
devtypes_report ? _devtypes_report_types : _report_types,
devtypes_report ? _devtypes_fields : _fields,
format, separator, report_flags, keys,
selection, _report_reserved_values, cmd);
if (rh && field_prefixes)
dm_report_set_output_field_name_prefix(rh, "lvm2_");
return rh;
}
void *report_init_for_selection(struct cmd_context *cmd,
report_type_t *report_type,
const char *selection_criteria)
{
return dm_report_init_with_selection(report_type, _report_types, _fields,
"", DEFAULT_REP_SEPARATOR,
DM_REPORT_OUTPUT_FIELD_UNQUOTED,
"", selection_criteria,
_report_reserved_values,
cmd);
}
const char *report_get_field_prefix(report_type_t report_type_id)
{
const struct dm_report_object_type *report_types, *report_type;
report_types = report_type_id & DEVTYPES ? _devtypes_report_types
: _report_types;
for (report_type = report_types; report_type->id; report_type++) {
if (report_type_id & report_type->id)
return report_type->prefix;
}
return "";
}
/*
* Create a row of data for an object
*/
int report_object(void *handle, int selection_only, const struct volume_group *vg,
const struct logical_volume *lv, const struct physical_volume *pv,
const struct lv_segment *seg, const struct pv_segment *pvseg,
const struct lv_with_info_and_seg_status *lvdm,
const struct label *label)
{
struct selection_handle *sh = selection_only ? (struct selection_handle *) handle : NULL;
struct device dummy_device = { .dev = 0 };
struct label dummy_label = { .dev = &dummy_device };
struct lvm_report_object obj = {
.vg = (struct volume_group *) vg,
.lvdm = (struct lv_with_info_and_seg_status *) lvdm,
.pv = (struct physical_volume *) pv,
.seg = (struct lv_segment *) seg,
.pvseg = (struct pv_segment *) pvseg,
.label = (struct label *) (label ? : (pv ? pv_label(pv) : NULL))
};
/* FIXME workaround for pv_label going through cache; remove once struct
* physical_volume gains a proper "label" pointer */
if (!obj.label) {
if (pv) {
if (pv->fmt)
dummy_label.labeller = pv->fmt->labeller;
if (pv->dev)
dummy_label.dev = pv->dev;
else
memcpy(dummy_device.pvid, &pv->id, ID_LEN);
}
obj.label = &dummy_label;
}
/* Never report orphan VGs. */
if (vg && is_orphan_vg(vg->name))
obj.vg = NULL;
/* The two format fields might as well match. */
if (!obj.vg && pv)
_dummy_fid.fmt = pv->fmt;
return sh ? dm_report_object_is_selected(sh->selection_rh, &obj, 0, &sh->selected)
: dm_report_object(handle, &obj);
}
static int _report_devtype_single(void *handle, const dev_known_type_t *devtype)
{
return dm_report_object(handle, (void *)devtype);
}
int report_devtypes(void *handle)
{
int devtypeind = 0;
while (_dev_known_types[devtypeind].name[0])
if (!_report_devtype_single(handle, &_dev_known_types[devtypeind++]))
return 0;
return 1;
}
View Git Blame Copy Permalink