rocksdb/tools/dump/rocksdb_undump.cc

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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#if !(defined GFLAGS) || defined(ROCKSDB_LITE)
#include <cstdio>
int main() {
#ifndef GFLAGS
fprintf(stderr, "Please install gflags to run rocksdb tools\n");
#endif
#ifdef ROCKSDB_LITE
fprintf(stderr, "DbUndumpTool is not supported in ROCKSDB_LITE\n");
#endif
return 1;
}
#else
#include "rocksdb/convenience.h"
#include "rocksdb/db_dump_tool.h"
#include "util/gflags_compat.h"
DEFINE_string(dump_location, "", "Path to the dump file that will be loaded");
DEFINE_string(db_path, "", "Path to the db that we will undump the file into");
DEFINE_bool(compact, false, "Compact the db after loading the dumped file");
DEFINE_string(db_options, "",
"Options string used to open the database that will be loaded");
int main(int argc, char **argv) {
GFLAGS_NAMESPACE::ParseCommandLineFlags(&argc, &argv, true);
if (FLAGS_db_path == "" || FLAGS_dump_location == "") {
fprintf(stderr, "Please set --db_path and --dump_location\n");
return 1;
}
rocksdb::UndumpOptions undump_options;
undump_options.db_path = FLAGS_db_path;
undump_options.dump_location = FLAGS_dump_location;
undump_options.compact_db = FLAGS_compact;
rocksdb::Options db_options;
if (FLAGS_db_options != "") {
rocksdb::Options parsed_options;
rocksdb::Status s = rocksdb::GetOptionsFromString(
db_options, FLAGS_db_options, &parsed_options);
if (!s.ok()) {
fprintf(stderr, "Cannot parse provided db_options\n");
return 1;
}
db_options = parsed_options;
}
rocksdb::DbUndumpTool tool;
if (!tool.Run(undump_options, db_options)) {
return 1;
}
return 0;
}
#endif // !(defined GFLAGS) || defined(ROCKSDB_LITE)