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9cee94372a
Recognize date and time specification within selection criteria
that is formulated in a more free-form way besides to the original
basic YYYY-MM-DD HH:MM format that libdevmapper supports.
Currently, this free-form format is recognized for lv_time field.
Users are able to use expressions from this set:
- weekday names ("Sunday" - "Saturday" or abbreviated as "Sun" - "Sat")
- labels for points in time ("noon", "midnight")
- labels for a day relative to current day ("today", "yesterday")
- points back in time with relative offset from today (N is a number)
( "N" "seconds"/"minutes"/"hours"/"days"/"weeks"/"years" "ago")
( "N" "secs"/"mins"/"hrs" ... "ago")
( "N" "s"/"m"/"h" ... "ago")
- time specification either in hh:mm:ss format or with AM/PM suffixes
- month names ("January" - "December" or abbreviated as "Jan" - "Dec")
For example:
$ date
Fri Jul 3 10:11:13 CEST 2015
$ lvmconfig --type full report/time_format
time_format="%a %Y-%m-%d %T %z %Z [%s]"
$ lvs
LV VG Time
lvol0 vg Fri 2014-08-22 21:25:41 +0200 CEST [1408735541]
lvol2 vg Sun 2015-04-26 14:52:20 +0200 CEST [1430052740]
root fedora Wed 2015-05-27 08:09:21 +0200 CEST [1432706961]
swap fedora Wed 2015-05-27 08:09:21 +0200 CEST [1432706961]
lvol1 vg Tue 2015-06-30 03:25:43 +0200 CEST [1435627543]
lvol3 vg Tue 2015-06-30 14:52:23 +0200 CEST [1435668743]
lvol6 vg Wed 2015-07-01 13:35:56 +0200 CEST [1435750556]
lvol4 vg Thu 2015-07-02 12:12:02 +0200 CEST [1435831922]
lvol5 vg Thu 2015-07-02 14:30:32 +0200 CEST [1435840232]
$ lvs -S 'time=yesterday'
LV VG Time
lvol4 vg Thu 2015-07-02 12:12:02 +0200 CEST [1435831922]
lvol5 vg Thu 2015-07-02 14:30:32 +0200 CEST [1435840232]
$ lvs -S 'time since "June 30"'
LV VG Time
lvol1 vg Tue 2015-06-30 03:25:43 +0200 CEST [1435627543]
lvol3 vg Tue 2015-06-30 14:52:23 +0200 CEST [1435668743]
lvol6 vg Wed 2015-07-01 13:35:56 +0200 CEST [1435750556]
lvol4 vg Thu 2015-07-02 12:12:02 +0200 CEST [1435831922]
lvol5 vg Thu 2015-07-02 14:30:32 +0200 CEST [1435840232]
$ lvs -S 'time since "noon June 30"'
LV VG Time
lvol3 vg Tue 2015-06-30 14:52:23 +0200 CEST [1435668743]
lvol6 vg Wed 2015-07-01 13:35:56 +0200 CEST [1435750556]
lvol4 vg Thu 2015-07-02 12:12:02 +0200 CEST [1435831922]
lvol5 vg Thu 2015-07-02 14:30:32 +0200 CEST [1435840232]
$ lvs -S 'time since "2 July 9AM"'
LV VG Time
lvol4 vg Thu 2015-07-02 12:12:02 +0200 CEST [1435831922]
lvol5 vg Thu 2015-07-02 14:30:32 +0200 CEST [1435840232]
$ lvs -S 'time since "2 July 1PM"'
LV VG Time
lvol5 vg Thu 2015-07-02 14:30:32 +0200 CEST [1435840232]
...and so on.
101 lines
6.0 KiB
C
101 lines
6.0 KiB
C
/*
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* Copyright (C) 2014 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* This file defines reserved names for field values.
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*
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* This is used for registering reserved names with reporting code that
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* uses the exact value defined whenever the reserved name is hit, for
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* example during selection criteria processing.
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*
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* TYPE_RESERVED_VALUE defines reserved value that is not bound to any field,
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* but rather it's bound to a certain type. This can be used as a reserved
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* value for all fields of that type then. When naming type reserved value,
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* please follow this naming scheme:
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* <report type name in lowercase>_<reserved_value_name>
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*
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* FIELD_RESERVED_VALUE defines reserved value bound to a single field.
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* When naming reserved value for the field, please follow this naming scheme:
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* <field_name>_<reserved_value_name>
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*
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* FIELD_BINARY_RESERVED_VALUE is similar to FIELD_RESERVED_VALUE but it
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* is specifically designed for defintion of reserved names for fields
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* with binary values where the reserved names given denote value 1.
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* The first reserved_name given is also used for reporting,
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* others are synonyms which are recognized in addition.
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*
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*/
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/*
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* TYPE_RESERVED_VALUE(type, flags, reserved_value_id, description, value, reserved_name, ...)
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* FIELD_RESERVED_VALUE(field_id, flags, reserved_value_id, description, value, reserved_name, ...)
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* FIELD_BINARY_RESERVED_VALUE(field_id, reserved_value_id, description, reserved_name for 1, ...)
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*/
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/* *INDENT-OFF* */
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/* Per-type reserved values usable for all fields of certain type. */
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TYPE_RESERVED_VALUE(NUM, NOFLAG, num_undef_64, "Reserved value for undefined numeric value.", UINT64_C(-1), "-1", "unknown", "undefined", "undef")
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/* Reserved values for PV fields */
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FIELD_RESERVED_BINARY_VALUE(pv_allocatable, pv_allocatable, "", "allocatable")
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FIELD_RESERVED_BINARY_VALUE(pv_exported, pv_exported, "", "exported")
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FIELD_RESERVED_BINARY_VALUE(pv_missing, pv_missing, "", "missing")
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/* Reserved values for VG fields */
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FIELD_RESERVED_BINARY_VALUE(vg_extendable, vg_extendable, "", "extendable")
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FIELD_RESERVED_BINARY_VALUE(vg_exported, vg_exported, "", "exported")
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FIELD_RESERVED_BINARY_VALUE(vg_partial, vg_partial, "", "partial")
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FIELD_RESERVED_BINARY_VALUE(vg_clustered, vg_clustered, "", "clustered")
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FIELD_RESERVED_VALUE(NAMED, vg_permissions, vg_permissions_rw, "", "writeable", "writeable", "rw", "read-write")
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FIELD_RESERVED_VALUE(NAMED, vg_permissions, vg_permissions_r, "", "read-only", "read-only", "r", "ro")
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FIELD_RESERVED_VALUE(NOFLAG, vg_mda_copies, vg_mda_copies_unmanaged, "", &GET_TYPE_RESERVED_VALUE(num_undef_64), "unmanaged")
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/* Reserved values for LV fields */
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FIELD_RESERVED_BINARY_VALUE(lv_initial_image_sync, lv_initial_image_sync, "", "initial image sync", "sync")
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FIELD_RESERVED_BINARY_VALUE(lv_image_synced, lv_image_synced, "", "image synced", "synced")
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FIELD_RESERVED_BINARY_VALUE(lv_merging, lv_merging, "", "merging")
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FIELD_RESERVED_BINARY_VALUE(lv_converting, lv_converting, "", "converting")
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FIELD_RESERVED_BINARY_VALUE(lv_allocation_locked, lv_allocation_locked, "", "allocation locked", "locked")
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FIELD_RESERVED_BINARY_VALUE(lv_fixed_minor, lv_fixed_minor, "", "fixed minor", "fixed")
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FIELD_RESERVED_BINARY_VALUE(lv_active_locally, lv_active_locally, "", "active locally", "active", "locally")
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FIELD_RESERVED_BINARY_VALUE(lv_active_remotely, lv_active_remotely, "", "active remotely", "active", "remotely")
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FIELD_RESERVED_BINARY_VALUE(lv_active_exclusively, lv_active_exclusively, "", "active exclusively", "active", "exclusively")
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FIELD_RESERVED_BINARY_VALUE(lv_merge_failed, lv_merge_failed, "", "merge failed", "failed")
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FIELD_RESERVED_BINARY_VALUE(lv_snapshot_invalid, lv_snapshot_invalid, "", "snapshot invalid", "invalid")
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FIELD_RESERVED_BINARY_VALUE(lv_suspended, lv_suspended, "", "suspended")
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FIELD_RESERVED_BINARY_VALUE(lv_live_table, lv_live_table, "", "live table present", "live table", "live")
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FIELD_RESERVED_BINARY_VALUE(lv_inactive_table, lv_inactive_table, "", "inactive table present", "inactive table", "inactive")
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FIELD_RESERVED_BINARY_VALUE(lv_device_open, lv_device_open, "", "open")
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FIELD_RESERVED_BINARY_VALUE(lv_skip_activation, lv_skip_activation, "", "skip activation", "skip")
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FIELD_RESERVED_BINARY_VALUE(zero, zero, "", "zero")
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FIELD_RESERVED_VALUE(NAMED, lv_permissions, lv_permissions_rw, "", "writeable", "writeable", "rw", "read-write")
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FIELD_RESERVED_VALUE(NAMED, lv_permissions, lv_permissions_r, "", "read-only", "read-only", "r", "ro")
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FIELD_RESERVED_VALUE(NAMED, lv_permissions, lv_permissions_r_override, "", "read-only-override", "read-only-override", "ro-override", "r-override", "R")
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FIELD_RESERVED_VALUE(NOFLAG, lv_read_ahead, lv_read_ahead_auto, "", &_siz_max, "auto")
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FIELD_RESERVED_VALUE(NAMED, lv_when_full, lv_when_full_error, "", "error", "error", "error when full", "error if no space")
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FIELD_RESERVED_VALUE(NAMED, lv_when_full, lv_when_full_queue, "", "queue", "queue", "queue when full", "queue if no space")
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FIELD_RESERVED_VALUE(NOFLAG, lv_when_full, lv_when_full_undef, "", "", "", "undefined")
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FIELD_RESERVED_VALUE(NAMED | RANGE | FUZZY | DYNAMIC, lv_time, lv_time_fuzzy, "", lv_time_handler, NULL)
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/* Reserved values for SEG fields */
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FIELD_RESERVED_VALUE(NOFLAG, cache_policy, cache_policy_undef, "", "", "", "undefined")
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FIELD_RESERVED_VALUE(NOFLAG, seg_monitor, seg_monitor_undef, "", "", "", "undefined")
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FIELD_RESERVED_VALUE(NOFLAG, lv_health_status, health_undef, "", "", "", "undefined")
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/* TODO the following 2 need STR_LIST support for reserved values
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FIELD_RESERVED_VALUE(cache_settings, cache_settings_default, "", "default", "default")
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FIELD_RESERVED_VALUE(cache_settings, cache_settings_undef, "", "undefined", "undefined") */
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/* *INDENT-ON* */
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