mirror of
git://sourceware.org/git/lvm2.git
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322 lines
8.1 KiB
C
322 lines
8.1 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004 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 General Public License v.2.
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*
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* You should have received a copy of the GNU 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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#include "tools.h"
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#include "report.h"
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static int _vgs_single(struct cmd_context *cmd __attribute((unused)),
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const char *vg_name, struct volume_group *vg,
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int consistent __attribute((unused)), void *handle)
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{
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if (!vg) {
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log_error("Volume group %s not found", vg_name);
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return ECMD_FAILED;
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}
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if (!report_object(handle, vg, NULL, NULL, NULL, NULL))
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return ECMD_FAILED;
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check_current_backup(vg);
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return ECMD_PROCESSED;
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}
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static int _lvs_single(struct cmd_context *cmd, struct logical_volume *lv,
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void *handle)
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{
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if (!arg_count(cmd, all_ARG) && !lv_is_visible(lv))
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return ECMD_PROCESSED;
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if (!report_object(handle, lv->vg, lv, NULL, NULL, NULL))
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return ECMD_FAILED;
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return ECMD_PROCESSED;
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}
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static int _segs_single(struct cmd_context *cmd __attribute((unused)),
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struct lv_segment *seg, void *handle)
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{
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if (!report_object(handle, seg->lv->vg, seg->lv, NULL, seg, NULL))
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return ECMD_FAILED;
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return ECMD_PROCESSED;
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}
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static int _pvsegs_sub_single(struct cmd_context *cmd, struct volume_group *vg,
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struct pv_segment *pvseg, void *handle)
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{
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int consistent = 0;
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struct physical_volume *pv = pvseg->pv;
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int ret = ECMD_PROCESSED;
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if (!lock_vol(cmd, pv->vg_name, LCK_VG_READ)) {
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log_error("Can't lock %s: skipping", pv->vg_name);
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return ECMD_FAILED;
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}
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if (!(vg = vg_read(cmd, pv->vg_name, NULL, &consistent))) {
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log_error("Can't read %s: skipping", pv->vg_name);
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goto out;
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}
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if ((vg->status & CLUSTERED) && !locking_is_clustered() &&
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!lockingfailed()) {
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log_error("Skipping clustered volume group %s", vg->name);
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ret = ECMD_FAILED;
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goto out;
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}
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if (!report_object(handle, vg, NULL, pv, NULL, pvseg))
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ret = ECMD_FAILED;
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out:
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unlock_vg(cmd, pv->vg_name);
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return ret;
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}
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static int _lvsegs_single(struct cmd_context *cmd, struct logical_volume *lv,
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void *handle)
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{
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if (!arg_count(cmd, all_ARG) && !lv_is_visible(lv))
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return ECMD_PROCESSED;
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return process_each_segment_in_lv(cmd, lv, handle, _segs_single);
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}
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static int _pvsegs_single(struct cmd_context *cmd, struct volume_group *vg,
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struct physical_volume *pv, void *handle)
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{
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return process_each_segment_in_pv(cmd, vg, pv, handle,
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_pvsegs_sub_single);
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}
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static int _pvs_single(struct cmd_context *cmd, struct volume_group *vg,
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struct physical_volume *pv, void *handle)
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{
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int consistent = 0;
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int ret = ECMD_PROCESSED;
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if (pv->vg_name) {
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if (!lock_vol(cmd, pv->vg_name, LCK_VG_READ)) {
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log_error("Can't lock %s: skipping", pv->vg_name);
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return ECMD_FAILED;
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}
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if (!(vg = vg_read(cmd, pv->vg_name, (char *)&pv->vgid, &consistent))) {
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log_error("Can't read %s: skipping", pv->vg_name);
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goto out;
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}
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if ((vg->status & CLUSTERED) && !locking_is_clustered() &&
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!lockingfailed()) {
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log_error("Skipping clustered volume group %s",
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vg->name);
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ret = ECMD_FAILED;
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goto out;
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}
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}
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if (!report_object(handle, vg, NULL, pv, NULL, NULL))
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ret = ECMD_FAILED;
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out:
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if (pv->vg_name)
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unlock_vg(cmd, pv->vg_name);
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return ret;
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}
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static int _report(struct cmd_context *cmd, int argc, char **argv,
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report_type_t report_type)
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{
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void *report_handle;
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const char *opts;
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char *str;
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const char *keys = NULL, *options = NULL, *separator;
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int r = ECMD_PROCESSED;
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int aligned, buffered, headings;
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aligned = find_config_tree_int(cmd, "report/aligned",
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DEFAULT_REP_ALIGNED);
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buffered = find_config_tree_int(cmd, "report/buffered",
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DEFAULT_REP_BUFFERED);
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headings = find_config_tree_int(cmd, "report/headings",
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DEFAULT_REP_HEADINGS);
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separator = find_config_tree_str(cmd, "report/separator",
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DEFAULT_REP_SEPARATOR);
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switch (report_type) {
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case LVS:
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keys = find_config_tree_str(cmd, "report/lvs_sort",
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DEFAULT_LVS_SORT);
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if (!arg_count(cmd, verbose_ARG))
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options = find_config_tree_str(cmd,
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"report/lvs_cols",
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DEFAULT_LVS_COLS);
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else
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options = find_config_tree_str(cmd,
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"report/lvs_cols_verbose",
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DEFAULT_LVS_COLS_VERB);
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break;
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case VGS:
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keys = find_config_tree_str(cmd, "report/vgs_sort",
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DEFAULT_VGS_SORT);
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if (!arg_count(cmd, verbose_ARG))
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options = find_config_tree_str(cmd,
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"report/vgs_cols",
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DEFAULT_VGS_COLS);
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else
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options = find_config_tree_str(cmd,
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"report/vgs_cols_verbose",
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DEFAULT_VGS_COLS_VERB);
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break;
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case PVS:
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keys = find_config_tree_str(cmd, "report/pvs_sort",
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DEFAULT_PVS_SORT);
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if (!arg_count(cmd, verbose_ARG))
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options = find_config_tree_str(cmd,
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"report/pvs_cols",
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DEFAULT_PVS_COLS);
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else
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options = find_config_tree_str(cmd,
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"report/pvs_cols_verbose",
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DEFAULT_PVS_COLS_VERB);
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break;
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case SEGS:
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keys = find_config_tree_str(cmd, "report/segs_sort",
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DEFAULT_SEGS_SORT);
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if (!arg_count(cmd, verbose_ARG))
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options = find_config_tree_str(cmd,
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"report/segs_cols",
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DEFAULT_SEGS_COLS);
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else
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options = find_config_tree_str(cmd,
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"report/segs_cols_verbose",
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DEFAULT_SEGS_COLS_VERB);
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break;
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case PVSEGS:
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keys = find_config_tree_str(cmd, "report/pvsegs_sort",
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DEFAULT_PVSEGS_SORT);
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if (!arg_count(cmd, verbose_ARG))
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options = find_config_tree_str(cmd,
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"report/pvsegs_cols",
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DEFAULT_PVSEGS_COLS);
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else
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options = find_config_tree_str(cmd,
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"report/pvsegs_cols_verbose",
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DEFAULT_PVSEGS_COLS_VERB);
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break;
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}
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/* If -o supplied use it, else use default for report_type */
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if (arg_count(cmd, options_ARG)) {
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opts = arg_str_value(cmd, options_ARG, "");
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if (!opts || !*opts) {
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log_error("Invalid options string: %s", opts);
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return 0;
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}
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if (*opts == '+') {
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if (!(str = dm_pool_alloc(cmd->mem,
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strlen(options) + strlen(opts) + 1))) {
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log_error("options string allocation failed");
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return 0;
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}
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strcpy(str, options);
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strcat(str, ",");
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strcat(str, opts + 1);
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options = str;
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} else
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options = opts;
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}
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/* -O overrides default sort settings */
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if (arg_count(cmd, sort_ARG))
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keys = arg_str_value(cmd, sort_ARG, "");
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if (arg_count(cmd, separator_ARG))
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separator = arg_str_value(cmd, separator_ARG, " ");
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if (arg_count(cmd, separator_ARG))
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aligned = 0;
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if (arg_count(cmd, aligned_ARG))
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aligned = 1;
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if (arg_count(cmd, unbuffered_ARG) && !arg_count(cmd, sort_ARG))
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buffered = 0;
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if (arg_count(cmd, noheadings_ARG))
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headings = 0;
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if (!(report_handle = report_init(cmd, options, keys, &report_type,
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separator, aligned, buffered,
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headings)))
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return 0;
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switch (report_type) {
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case LVS:
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r = process_each_lv(cmd, argc, argv, LCK_VG_READ, report_handle,
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&_lvs_single);
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break;
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case VGS:
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r = process_each_vg(cmd, argc, argv, LCK_VG_READ, 0,
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report_handle, &_vgs_single);
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break;
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case PVS:
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r = process_each_pv(cmd, argc, argv, NULL, report_handle,
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&_pvs_single);
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break;
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case SEGS:
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r = process_each_lv(cmd, argc, argv, LCK_VG_READ, report_handle,
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&_lvsegs_single);
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break;
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case PVSEGS:
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r = process_each_pv(cmd, argc, argv, NULL, report_handle,
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&_pvsegs_single);
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break;
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}
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report_output(report_handle);
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report_free(report_handle);
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return r;
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}
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int lvs(struct cmd_context *cmd, int argc, char **argv)
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{
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report_type_t type;
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if (arg_count(cmd, segments_ARG))
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type = SEGS;
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else
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type = LVS;
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return _report(cmd, argc, argv, type);
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}
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int vgs(struct cmd_context *cmd, int argc, char **argv)
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{
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return _report(cmd, argc, argv, VGS);
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}
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int pvs(struct cmd_context *cmd, int argc, char **argv)
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{
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report_type_t type;
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if (arg_count(cmd, segments_ARG))
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type = PVSEGS;
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else
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type = PVS;
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return _report(cmd, argc, argv, type);
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}
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