mirror of https://github.com/facebook/rocksdb.git
185 lines
7.2 KiB
C++
185 lines
7.2 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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#ifndef ROCKSDB_LITE
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#include "rocksdb/ldb_tool.h"
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#include "rocksdb/utilities/ldb_cmd.h"
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#include "tools/ldb_cmd_impl.h"
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namespace ROCKSDB_NAMESPACE {
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LDBOptions::LDBOptions() {}
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void LDBCommandRunner::PrintHelp(const LDBOptions& ldb_options,
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const char* /*exec_name*/, bool to_stderr) {
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std::string ret;
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ret.append(ldb_options.print_help_header);
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ret.append("\n\n");
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ret.append("commands MUST specify --" + LDBCommand::ARG_DB +
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"=<full_path_to_db_directory> when necessary\n");
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ret.append("\n");
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ret.append("commands can optionally specify\n");
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ret.append(" --" + LDBCommand::ARG_ENV_URI + "=<uri_of_environment> or --" +
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LDBCommand::ARG_FS_URI + "=<uri_of_filesystem> if necessary");
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ret.append("\n");
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ret.append(" --" + LDBCommand::ARG_SECONDARY_PATH +
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"=<secondary_path> to open DB as secondary instance. Operations "
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"not supported in secondary instance will fail.\n\n");
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ret.append(
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"The following optional parameters control if keys/values are "
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"input/output as hex or as plain strings:\n");
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ret.append(" --" + LDBCommand::ARG_KEY_HEX +
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" : Keys are input/output as hex\n");
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ret.append(" --" + LDBCommand::ARG_VALUE_HEX +
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" : Values are input/output as hex\n");
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ret.append(" --" + LDBCommand::ARG_HEX +
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" : Both keys and values are input/output as hex\n");
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ret.append("\n");
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ret.append(
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"The following optional parameters control the database "
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"internals:\n");
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ret.append(
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" --" + LDBCommand::ARG_CF_NAME +
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"=<string> : name of the column family to operate on. default: default "
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"column family\n");
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ret.append(" --" + LDBCommand::ARG_TTL +
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" with 'put','get','scan','dump','query','batchput'"
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" : DB supports ttl and value is internally timestamp-suffixed\n");
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ret.append(" --" + LDBCommand::ARG_TRY_LOAD_OPTIONS +
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" : Try to load option file from DB. Default to true if " +
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LDBCommand::ARG_DB +
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" is specified and not creating a new DB and not open as TTL DB. "
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"Can be set to false explicitly.\n");
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ret.append(" --" + LDBCommand::ARG_DISABLE_CONSISTENCY_CHECKS +
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" : Set options.force_consistency_checks = false.\n");
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ret.append(" --" + LDBCommand::ARG_IGNORE_UNKNOWN_OPTIONS +
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" : Ignore unknown options when loading option file.\n");
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ret.append(" --" + LDBCommand::ARG_BLOOM_BITS + "=<int,e.g.:14>\n");
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ret.append(" --" + LDBCommand::ARG_FIX_PREFIX_LEN + "=<int,e.g.:14>\n");
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ret.append(" --" + LDBCommand::ARG_COMPRESSION_TYPE +
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"=<no|snappy|zlib|bzip2|lz4|lz4hc|xpress|zstd>\n");
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ret.append(" --" + LDBCommand::ARG_COMPRESSION_MAX_DICT_BYTES +
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"=<int,e.g.:16384>\n");
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ret.append(" --" + LDBCommand::ARG_BLOCK_SIZE + "=<block_size_in_bytes>\n");
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ret.append(" --" + LDBCommand::ARG_AUTO_COMPACTION + "=<true|false>\n");
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ret.append(" --" + LDBCommand::ARG_DB_WRITE_BUFFER_SIZE +
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"=<int,e.g.:16777216>\n");
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ret.append(" --" + LDBCommand::ARG_WRITE_BUFFER_SIZE +
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"=<int,e.g.:4194304>\n");
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ret.append(" --" + LDBCommand::ARG_FILE_SIZE + "=<int,e.g.:2097152>\n");
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ret.append(" --" + LDBCommand::ARG_ENABLE_BLOB_FILES +
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" : Enable key-value separation using BlobDB\n");
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ret.append(" --" + LDBCommand::ARG_MIN_BLOB_SIZE + "=<int,e.g.:2097152>\n");
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ret.append(" --" + LDBCommand::ARG_BLOB_FILE_SIZE + "=<int,e.g.:2097152>\n");
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ret.append(" --" + LDBCommand::ARG_BLOB_COMPRESSION_TYPE +
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"=<no|snappy|zlib|bzip2|lz4|lz4hc|xpress|zstd>\n");
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ret.append(" --" + LDBCommand::ARG_ENABLE_BLOB_GARBAGE_COLLECTION +
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" : Enable blob garbage collection\n");
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ret.append(" --" + LDBCommand::ARG_BLOB_GARBAGE_COLLECTION_AGE_CUTOFF +
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"=<double,e.g.:0.25>\n");
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ret.append(" --" + LDBCommand::ARG_BLOB_GARBAGE_COLLECTION_FORCE_THRESHOLD +
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"=<double,e.g.:0.25>\n");
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ret.append(" --" + LDBCommand::ARG_BLOB_COMPACTION_READAHEAD_SIZE +
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"=<int,e.g.:2097152>\n");
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ret.append("\n\n");
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ret.append("Data Access Commands:\n");
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PutCommand::Help(ret);
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GetCommand::Help(ret);
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BatchPutCommand::Help(ret);
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ScanCommand::Help(ret);
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DeleteCommand::Help(ret);
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DeleteRangeCommand::Help(ret);
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DBQuerierCommand::Help(ret);
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ApproxSizeCommand::Help(ret);
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CheckConsistencyCommand::Help(ret);
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ListFileRangeDeletesCommand::Help(ret);
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ret.append("\n\n");
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ret.append("Admin Commands:\n");
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WALDumperCommand::Help(ret);
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CompactorCommand::Help(ret);
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ReduceDBLevelsCommand::Help(ret);
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ChangeCompactionStyleCommand::Help(ret);
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DBDumperCommand::Help(ret);
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DBLoaderCommand::Help(ret);
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ManifestDumpCommand::Help(ret);
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UpdateManifestCommand::Help(ret);
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FileChecksumDumpCommand::Help(ret);
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GetPropertyCommand::Help(ret);
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ListColumnFamiliesCommand::Help(ret);
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CreateColumnFamilyCommand::Help(ret);
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DropColumnFamilyCommand::Help(ret);
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DBFileDumperCommand::Help(ret);
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InternalDumpCommand::Help(ret);
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DBLiveFilesMetadataDumperCommand::Help(ret);
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RepairCommand::Help(ret);
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BackupCommand::Help(ret);
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RestoreCommand::Help(ret);
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CheckPointCommand::Help(ret);
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WriteExternalSstFilesCommand::Help(ret);
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IngestExternalSstFilesCommand::Help(ret);
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UnsafeRemoveSstFileCommand::Help(ret);
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fprintf(to_stderr ? stderr : stdout, "%s\n", ret.c_str());
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}
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int LDBCommandRunner::RunCommand(
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int argc, char const* const* argv, Options options,
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const LDBOptions& ldb_options,
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const std::vector<ColumnFamilyDescriptor>* column_families) {
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if (argc <= 2) {
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if (argc <= 1) {
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PrintHelp(ldb_options, argv[0], /*to_stderr*/ true);
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return 1;
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} else if (std::string(argv[1]) == "--version") {
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printf("ldb from RocksDB %d.%d.%d\n", ROCKSDB_MAJOR, ROCKSDB_MINOR,
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ROCKSDB_PATCH);
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return 0;
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} else if (std::string(argv[1]) == "--help") {
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PrintHelp(ldb_options, argv[0], /*to_stderr*/ false);
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return 0;
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} else {
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PrintHelp(ldb_options, argv[0], /*to_stderr*/ true);
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return 1;
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}
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}
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LDBCommand* cmdObj = LDBCommand::InitFromCmdLineArgs(
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argc, argv, options, ldb_options, column_families);
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if (cmdObj == nullptr) {
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fprintf(stderr, "Unknown command\n");
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PrintHelp(ldb_options, argv[0], /*to_stderr*/ true);
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return 1;
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}
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if (!cmdObj->ValidateCmdLineOptions()) {
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return 1;
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}
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cmdObj->Run();
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LDBCommandExecuteResult ret = cmdObj->GetExecuteState();
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if (!ret.ToString().empty()) {
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fprintf(stderr, "%s\n", ret.ToString().c_str());
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}
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delete cmdObj;
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return ret.IsFailed() ? 1 : 0;
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}
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void LDBTool::Run(int argc, char** argv, Options options,
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const LDBOptions& ldb_options,
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const std::vector<ColumnFamilyDescriptor>* column_families) {
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int error_code = LDBCommandRunner::RunCommand(argc, argv, options,
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ldb_options, column_families);
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exit(error_code);
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}
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} // namespace ROCKSDB_NAMESPACE
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#endif // ROCKSDB_LITE
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