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report: add CMDLOG report type
This is a preparation for new CMDLOG report type which is going to be used for reporting LVM command log. The new report type introduces several new fields (log_seq_num, log_type, log_context, log_object_type, log_object_group, log_object_id, object_name, log_message, log_errno, log_ret_code) as well as new configuration settings to set this report type (report/command_log_sort and report/command_log_cols lvm.conf settings). This patch also introduces internal report_cmdlog helper function which is a wrapper over dm_report_object to report command log via CMDLOG report type and which is going to be used throughout the code to report the log items.
This commit is contained in:
Peter Rajnoha
parent
094fce3776
commit
99c2a2b960
@ -1,5 +1,8 @@
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Version 2.02.158 -
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=================================
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Add log_object_{type,name,id,group,group_id} fields to cmd log.
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Add log_{seq_num,type,context,message,errno,ret_code} fields to cmd log.
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Add CMDLOG report type - a separate report type for command logging.
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Version 2.02.157 - 17th June 2016
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=================================
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@ -215,6 +215,7 @@
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#define DEFAULT_SEGS_COLS "lv_name,vg_name,lv_attr,stripes,segtype,seg_size"
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#define DEFAULT_PVSEGS_COLS "pv_name,vg_name,pv_fmt,pv_attr,pv_size,pv_free,pvseg_start,pvseg_size"
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#define DEFAULT_DEVTYPES_COLS "devtype_name,devtype_max_partitions,devtype_description"
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#define DEFAULT_COMMAND_LOG_COLS "log_seq_num,log_type,log_context,log_object_type,log_object_name,log_object_id,log_object_group,log_object_group_id,log_message,log_errno,log_ret_code"
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#define DEFAULT_LVS_COLS_VERB "lv_name,vg_name,seg_count,lv_attr,lv_size,lv_major,lv_minor,lv_kernel_major,lv_kernel_minor,pool_lv,origin,data_percent,metadata_percent,move_pv,copy_percent,mirror_log,convert_lv,lv_uuid,lv_profile"
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#define DEFAULT_VGS_COLS_VERB "vg_name,vg_attr,vg_extent_size,pv_count,lv_count,snap_count,vg_size,vg_free,vg_uuid,vg_profile"
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@ -229,6 +230,7 @@
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#define DEFAULT_SEGS_SORT "vg_name,lv_name,seg_start"
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#define DEFAULT_PVSEGS_SORT "pv_name,pvseg_start"
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#define DEFAULT_DEVTYPES_SORT "devtype_name"
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#define DEFAULT_COMMAND_LOG_SORT "log_seq_num"
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#define DEFAULT_MIRROR_DEVICE_FAULT_POLICY "remove"
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#define DEFAULT_MIRROR_LOG_FAULT_POLICY "allocate"
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40
lib/report/columns-cmdlog.h
Normal file
40
lib/report/columns-cmdlog.h
Normal file
@ -0,0 +1,40 @@
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/*
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* Copyright (C) 2016 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 the fields (columns) for the command log reporting.
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*
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* The preferred order of the field descriptions in the help text
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* determines the order the entries appear in this file.
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*
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* When adding new entries take care to use the existing style.
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* Displayed fields names normally have a type prefix and use underscores.
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* Field-specific internal functions names normally match the displayed
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* field names but without underscores.
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* Help text ends with a full stop.
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*/
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/* *INDENT-OFF* */
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FIELD(CMDLOG, cmd_log_item, NUM, "Seq", seq_num, 3, uint32, log_seq_num, "Log sequence number.", 0)
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FIELD(CMDLOG, cmd_log_item, STR, "LogType", type, 7, string, log_type, "Log type.", 0)
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FIELD(CMDLOG, cmd_log_item, STR, "Context", context, 7, string, log_context, "Current context.", 0)
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FIELD(CMDLOG, cmd_log_item, STR, "ObjType", object_type_name, 7, string, log_object_type, "Current object type.", 0)
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FIELD(CMDLOG, cmd_log_item, STR, "ObjName", object_name, 7, string, log_object_name, "Current object name.", 0)
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FIELD(CMDLOG, cmd_log_item, STR, "ObjID", object_id, 7, string, log_object_id, "Current object ID.", 0)
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FIELD(CMDLOG, cmd_log_item, STR, "ObjGrp", object_group, 7, string, log_object_group, "Current object group.", 0)
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FIELD(CMDLOG, cmd_log_item, STR, "ObjGrpID", object_group_id, 8, string, log_object_group_id, "Current object group ID.", 0)
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FIELD(CMDLOG, cmd_log_item, STR, "Msg", msg, 7, string, log_message, "Log message.", 0)
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FIELD(CMDLOG, cmd_log_item, SNUM, "Errno", current_errno, 5, int32, log_errno, "Errno.", 0)
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FIELD(CMDLOG, cmd_log_item, SNUM, "RetCode", ret_code, 7, int32, log_ret_code, "Return code.", 0)
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/* *INDENT-ON* */
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@ -3622,6 +3622,16 @@ static void *_obj_get_devtypes(void *obj)
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return obj;
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}
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static void *_obj_get_cmdlog(void *obj)
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{
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return obj;
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}
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static const struct dm_report_object_type _log_report_types[] = {
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{ CMDLOG, "Command Log", "log_", _obj_get_cmdlog },
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{ 0, "", "", NULL },
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};
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static const struct dm_report_object_type _report_types[] = {
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{ VGS, "Volume Group", "vg_", _obj_get_vg },
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{ LVS, "Logical Volume", "lv_", _obj_get_lv },
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@ -3656,6 +3666,8 @@ static const struct dm_report_object_type _devtypes_report_types[] = {
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{type, sorttype, offsetof(type_ ## strct, field), width ? : sizeof(head) - 1, \
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#id, head, &_ ## func ## _disp, desc},
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typedef struct cmd_log_item type_cmd_log_item;
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typedef struct physical_volume type_pv;
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typedef struct logical_volume type_lv;
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typedef struct volume_group type_vg;
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@ -3675,6 +3687,11 @@ static const struct dm_report_field_type _devtypes_fields[] = {
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{0, 0, 0, 0, "", "", NULL, NULL},
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};
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static const struct dm_report_field_type _log_fields[] = {
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#include "columns-cmdlog.h"
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{0, 0, 0, 0, "", "", NULL, NULL},
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};
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#undef STR
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#undef NUM
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#undef BIN
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@ -3712,7 +3729,11 @@ void *report_init(struct cmd_context *cmd, const char *format, const char *keys,
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if (columns_as_rows)
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report_flags |= DM_REPORT_OUTPUT_COLUMNS_AS_ROWS;
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if (*report_type & DEVTYPES) {
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if (*report_type & CMDLOG) {
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types = _log_report_types;
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fields = _log_fields;
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reserved_values = NULL;
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} else if (*report_type & DEVTYPES) {
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types = _devtypes_report_types;
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fields = _devtypes_fields;
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reserved_values = NULL;
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@ -3748,8 +3769,12 @@ const char *report_get_field_prefix(report_type_t report_type_id)
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{
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const struct dm_report_object_type *report_types, *report_type;
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report_types = report_type_id & DEVTYPES ? _devtypes_report_types
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: _report_types;
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if (report_type_id & CMDLOG)
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report_types = _log_report_types;
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else if (report_type_id & DEVTYPES)
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report_types = _devtypes_report_types;
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else
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report_types = _report_types;
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for (report_type = report_types; report_type->id; report_type++) {
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if (report_type_id & report_type->id)
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@ -3825,3 +3850,22 @@ int report_devtypes(void *handle)
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return 1;
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}
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int report_cmdlog(void *handle, const char *type, const char *context,
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const char *object_type_name, const char *object_name,
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const char *object_id, const char *object_group,
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const char *object_group_id, const char *msg,
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int current_errno, int ret_code)
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{
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static uint32_t seq_num = 1;
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struct cmd_log_item log_item = {seq_num++, type, context, object_type_name,
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object_name ? : "", object_id ? : "",
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object_group ? : "", object_group_id ? : "",
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msg ? : "", current_errno, ret_code};
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if (handle)
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return dm_report_object(handle, &log_item);
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return 1;
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}
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@ -21,16 +21,17 @@
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#include "activate.h"
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typedef enum {
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LVS = 1,
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LVSINFO = 2,
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LVSSTATUS = 4,
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LVSINFOSTATUS = 8,
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PVS = 16,
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VGS = 32,
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SEGS = 64,
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PVSEGS = 128,
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LABEL = 256,
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DEVTYPES = 512
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CMDLOG = 1,
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LVS = 2,
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LVSINFO = 4,
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LVSSTATUS = 8,
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LVSINFOSTATUS = 16,
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PVS = 32,
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VGS = 64,
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SEGS = 128,
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PVSEGS = 256,
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LABEL = 512,
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DEVTYPES = 1024
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} report_type_t;
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/*
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@ -58,6 +59,20 @@ struct selection_handle {
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int selected;
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};
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struct cmd_log_item {
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uint32_t seq_num;
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const char *type;
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const char *context;
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const char *object_type_name;
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const char *object_name;
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const char *object_id;
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const char *object_group;
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const char *object_group_id;
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const char *msg;
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int current_errno;
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int ret_code;
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};
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struct field;
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struct report_handle;
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struct processing_handle;
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@ -84,6 +99,11 @@ int report_object(void *handle, int selection_only, const struct volume_group *v
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const struct lv_with_info_and_seg_status *lvdm,
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const struct label *label);
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int report_devtypes(void *handle);
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int report_cmdlog(void *handle, const char *type, const char *context,
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const char *object_type_name, const char *object_name,
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const char *object_id, const char *object_group,
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const char *object_group_id, const char *msg,
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int current_errno, int ret_code);
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int report_output(void *handle);
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#endif
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@ -877,6 +877,9 @@ static int _do_report(struct cmd_context *cmd, struct report_args *args)
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r = process_each_vg(cmd, args->argc, args->argv, NULL, NULL,
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0, handle, &_pvsegs_in_vg);
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break;
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case CMDLOG:
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/* Log is reported throughout the code via report_cmdlog calls. */
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break;
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default:
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log_error(INTERNAL_ERROR "_do_report: unknown report type.");
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return 0;
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@ -959,6 +962,10 @@ static int _config_report(struct cmd_context *cmd, struct report_args *args)
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else
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args->options = find_config_tree_str(cmd, report_pvsegs_cols_verbose_CFG, NULL);
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break;
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case CMDLOG:
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args->keys = DEFAULT_COMMAND_LOG_SORT;
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args->options = DEFAULT_COMMAND_LOG_COLS;
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break;
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default:
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log_error(INTERNAL_ERROR "_report: unknown report type.");
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return 0;
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