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git://sourceware.org/git/lvm2.git
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116 lines
3.3 KiB
C
116 lines
3.3 KiB
C
/*
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* Copyright (C) 2014-2015 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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#include "tools.h"
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#include "polldaemon.h"
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#include "pvmove_poll.h"
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#include "lvconvert_poll.h"
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#include "polling_ops.h"
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static struct poll_functions _pvmove_fns = {
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.get_copy_lv = poll_get_copy_lv,
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.get_copy_vg = poll_get_copy_vg,
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.poll_progress = poll_mirror_progress,
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.update_metadata = pvmove_update_metadata,
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.finish_copy = pvmove_finish
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};
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static struct poll_functions _convert_fns = {
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.get_copy_lv = poll_get_copy_lv,
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.get_copy_vg = poll_get_copy_vg,
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.poll_progress = poll_mirror_progress,
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.finish_copy = lvconvert_mirror_finish
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};
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static struct poll_functions _merge_fns = {
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.get_copy_lv = poll_get_copy_lv,
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.get_copy_vg = poll_get_copy_vg,
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.poll_progress = poll_merge_progress,
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.finish_copy = lvconvert_merge_finish
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};
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static struct poll_functions _thin_merge_fns = {
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.get_copy_lv = poll_get_copy_lv,
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.get_copy_vg = poll_get_copy_vg,
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.poll_progress = poll_thin_merge_progress,
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.finish_copy = lvconvert_merge_finish
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};
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static int _set_daemon_parms(struct cmd_context *cmd, struct daemon_parms *parms)
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{
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const char *poll_oper = arg_str_value(cmd, polloperation_ARG, "");
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parms->interval = arg_uint_value(cmd, interval_ARG, 0);
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parms->aborting = arg_count(cmd, abort_ARG);
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parms->progress_display = 1;
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parms->wait_before_testing = (arg_sign_value(cmd, interval_ARG, SIGN_NONE) == SIGN_PLUS);
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if (!strcmp(poll_oper, PVMOVE_POLL)) {
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parms->progress_title = "Moved";
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parms->lv_type = PVMOVE;
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parms->poll_fns = &_pvmove_fns;
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} else if (!strcmp(poll_oper, CONVERT_POLL)) {
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parms->progress_title = "Converted";
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parms->poll_fns = &_convert_fns;
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} else if (!strcmp(poll_oper, MERGE_POLL)) {
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parms->progress_title = "Merged";
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parms->poll_fns = &_merge_fns;
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} else if (!strcmp(poll_oper, MERGE_THIN_POLL)) {
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parms->progress_title = "Merged";
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parms->poll_fns = &_thin_merge_fns;
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} else {
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log_error("Unknown polling operation %s", poll_oper);
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return 0;
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}
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cmd->handles_missing_pvs = arg_count(cmd, handlemissingpvs_ARG);
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return 1;
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}
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static int poll_lv(struct cmd_context *cmd, const char *lv_name)
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{
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struct daemon_parms parms = { 0 };
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struct poll_operation_id id = {
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.vg_name = extract_vgname(cmd, lv_name),
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.lv_name = strchr(lv_name, '/') + 1,
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.display_name = lv_name
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};
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if (!_set_daemon_parms(cmd, &parms))
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return_EINVALID_CMD_LINE;
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return wait_for_single_lv(cmd, &id, &parms) ? ECMD_PROCESSED : ECMD_FAILED;
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}
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int lvpoll(struct cmd_context *cmd, int argc, char **argv)
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{
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if (!arg_count(cmd, polloperation_ARG)) {
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log_error("--polloperation parameter is mandatory");
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return EINVALID_CMD_LINE;
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}
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if (arg_sign_value(cmd, interval_ARG, SIGN_NONE) == SIGN_MINUS) {
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log_error("Argument to --interval cannot be negative");
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return EINVALID_CMD_LINE;
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}
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if (!argc || !strchr(argv[0], '/')) {
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log_error("Provide full VG/LV name");
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return EINVALID_CMD_LINE;
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}
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return poll_lv(cmd, argv[0]);
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}
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