578fb0b1dc
Summary: A simple blob file dumper. Closes https://github.com/facebook/rocksdb/pull/2242 Differential Revision: D5097553 Pulled By: yiwu-arbug fbshipit-source-id: c6e00d949fcd3658f9f68da9352f06339fac418d
92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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// This source code is also licensed under the GPLv2 license found in the
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// COPYING file in the root directory of this source tree.
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#ifndef ROCKSDB_LITE
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#include <getopt.h>
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#include <cstdio>
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#include <string>
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#include <unordered_map>
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#include "utilities/blob_db/blob_dump_tool.h"
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using namespace rocksdb;
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using namespace rocksdb::blob_db;
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int main(int argc, char** argv) {
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using DisplayType = BlobDumpTool::DisplayType;
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const std::unordered_map<std::string, DisplayType> display_types = {
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{"none", DisplayType::kNone},
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{"raw", DisplayType::kRaw},
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{"hex", DisplayType::kHex},
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{"detail", DisplayType::kDetail},
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};
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const struct option options[] = {
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{"help", no_argument, nullptr, 'h'},
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{"file", required_argument, nullptr, 'f'},
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{"show_key", optional_argument, nullptr, 'k'},
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{"show_blob", optional_argument, nullptr, 'b'},
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};
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DisplayType show_key = DisplayType::kRaw;
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DisplayType show_blob = DisplayType::kNone;
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std::string file;
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while (true) {
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int c = getopt_long(argc, argv, "hk::b::f:", options, nullptr);
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if (c < 0) {
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break;
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}
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std::string arg_str(optarg ? optarg : "");
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switch (c) {
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case 'h':
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fprintf(stdout,
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"Usage: blob_dump --file=filename "
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"[--show_key[=none|raw|hex|detail]] "
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"[--show_blob[=none|raw|hex|detail]]\n");
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return 0;
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case 'f':
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file = optarg;
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break;
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case 'k':
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if (optarg) {
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if (display_types.count(arg_str) == 0) {
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fprintf(stderr, "Unrecognized key display type.\n");
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return -1;
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}
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show_key = display_types.at(arg_str);
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}
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break;
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case 'b':
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if (optarg) {
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if (display_types.count(arg_str) == 0) {
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fprintf(stderr, "Unrecognized blob display type.\n");
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return -1;
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}
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show_blob = display_types.at(arg_str);
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} else {
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show_blob = DisplayType::kDetail;
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}
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break;
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default:
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fprintf(stderr, "Unrecognized option.\n");
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return -1;
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}
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}
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BlobDumpTool tool;
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Status s = tool.Run(file, show_key, show_blob);
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if (!s.ok()) {
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fprintf(stderr, "Failed: %s\n", s.ToString().c_str());
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return -1;
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}
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return 0;
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}
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#else
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#include <stdio.h>
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int main(int argc, char** argv) {
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fprintf(stderr, "Not supported in lite mode.\n");
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return -1;
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}
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#endif // ROCKSDB_LITE
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