75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
// Copyright (C) 2011 Red Hat, Inc. All rights reserved.
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//
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// This file is part of the thin-provisioning-tools source.
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//
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// thin-provisioning-tools is free software: you can redistribute it
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// and/or modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation, either version 3 of
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// the License, or (at your option) any later version.
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//
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// thin-provisioning-tools is distributed in the hope that it will be
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// useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with thin-provisioning-tools. If not, see
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// <http://www.gnu.org/licenses/>.
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#ifndef METADATA_DUMPER_H
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#define METADATA_DUMPER_H
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#include "thin-provisioning/emitter.h"
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#include "thin-provisioning/metadata.h"
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#include "thin-provisioning/override_emitter.h"
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#include <boost/optional.hpp>
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#include <set>
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//----------------------------------------------------------------
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namespace thin_provisioning {
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class dump_options {
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public:
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dump_options()
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: skip_mappings_(false) {
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}
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bool selected_dev(uint64_t dev_id) const {
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return !dev_filter_ || dev_filter_->count(dev_id);
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}
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void select_dev(uint64_t dev_id) {
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if (!dev_filter_)
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dev_filter_ = dev_set();
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dev_filter_->insert(dev_id);
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}
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bool skip_mappings_;
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override_options overrides_;
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using dev_set = std::set<uint64_t>;
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using maybe_dev_set = boost::optional<dev_set>;
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maybe_dev_set dev_filter_;
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};
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// Set the @repair flag if your metadata is corrupt, and you'd like
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// the dumper to do it's best to recover info. If not set, any
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// corruption encountered will cause an exception to be thrown.
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void metadata_dump(metadata::ptr md, emitter::ptr e, dump_options const &opts);
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// We have to provide a different interface for repairing, since
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// the superblock itself may be corrupt, so we wont be able
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// to create the metadata object.
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void metadata_repair(block_manager::ptr bm, emitter::ptr e, override_options const &opts);
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// Only used by ll_restore, so we leave the repair arg
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void metadata_dump_subtree(metadata::ptr md, emitter::ptr e, bool repair, uint64_t subtree_root);
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}
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//----------------------------------------------------------------
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#endif
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