mirror of
git://sourceware.org/git/lvm2.git
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116 lines
3.4 KiB
C
116 lines
3.4 KiB
C
/*
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* Copyright (C) 2003-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2007 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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static int _get_vsn(struct cmd_context *cmd, unsigned int *major,
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unsigned int *minor, unsigned int *patchlevel)
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{
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const char *atversion = arg_str_value(cmd, atversion_ARG, NULL);
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if (!atversion)
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atversion = LVM_VERSION;
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if (sscanf(atversion, "%u.%u.%u", major, minor, patchlevel) != 3) {
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log_error("Incorrect version format.");
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return 0;
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}
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return 1;
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}
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int dumpconfig(struct cmd_context *cmd, int argc, char **argv)
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{
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const char *file = arg_str_value(cmd, file_ARG, NULL);
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const char *type = arg_str_value(cmd, configtype_ARG, "current");
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unsigned int major, minor, patchlevel;
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struct config_def_tree_spec tree_spec = {0};
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struct dm_config_tree *cft = cmd->cft;
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int r = ECMD_PROCESSED;
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if (arg_count(cmd, configtype_ARG) && arg_count(cmd, validate_ARG)) {
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log_error("Only one of --type and --validate permitted.");
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return EINVALID_CMD_LINE;
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}
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if (arg_count(cmd, atversion_ARG) && !arg_count(cmd, configtype_ARG)) {
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log_error("--atversion requires --type");
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return EINVALID_CMD_LINE;
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}
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if (arg_count(cmd, ignoreadvanced_ARG))
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tree_spec.ignoreadvanced = 1;
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if (arg_count(cmd, ignoreunsupported_ARG))
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tree_spec.ignoreunsupported = 1;
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if (arg_count(cmd, validate_ARG)) {
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if (config_def_check(cmd, 1, 1, 0)) {
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log_print("LVM configuration valid.");
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return ECMD_PROCESSED;
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} else {
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log_error("LVM configuration invalid.");
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return ECMD_FAILED;
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}
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}
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if (!strcmp(type, "current")) {
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if (arg_count(cmd, atversion_ARG)) {
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log_error("--atversion has no effect with --type current");
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return EINVALID_CMD_LINE;
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}
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tree_spec.type = CFG_DEF_TREE_CURRENT;
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config_def_check(cmd, 1, 1, 1);
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}
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else if (!strcmp(type, "default"))
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tree_spec.type = CFG_DEF_TREE_DEFAULT;
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else if (!strcmp(type, "missing"))
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tree_spec.type = CFG_DEF_TREE_MISSING;
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else if (!strcmp(type, "new"))
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tree_spec.type = CFG_DEF_TREE_NEW;
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else {
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log_error("Incorrect type of configuration specified. "
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"Expected one of: current, default, missing, new.");
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return EINVALID_CMD_LINE;
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}
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if ((tree_spec.ignoreadvanced || tree_spec.ignoreunsupported) &&
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(tree_spec.type == CFG_DEF_TREE_CURRENT)) {
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log_error("--ignoreadvanced and --ignoreunsupported has no effect with --type current");
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return EINVALID_CMD_LINE;
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}
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if (tree_spec.type != CFG_DEF_TREE_CURRENT) {
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if (!_get_vsn(cmd, &major, &minor, &patchlevel))
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return EINVALID_CMD_LINE;
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tree_spec.version = vsn(major, minor, patchlevel);
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cft = config_def_create_tree(&tree_spec);
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}
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if (!config_write(cft, arg_count(cmd, withcomments_ARG),
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arg_count(cmd, withversions_ARG),
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file, argc, argv)) {
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stack;
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r = ECMD_FAILED;
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}
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/* cmd->cft (the "current" tree) is destroyed with cmd context destroy! */
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if (tree_spec.type != CFG_DEF_TREE_CURRENT && cft)
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dm_pool_destroy(cft->mem);
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return r;
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}
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