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1 | // Copyright (c) 2011-present, Facebook, Inc. All rights reserved. |
2 | // This source code is licensed under the BSD-style license found in the | |
3 | // LICENSE file in the root directory of this source tree. An additional grant | |
4 | // of patent rights can be found in the PATENTS file in the same directory. | |
5 | // | |
6 | #ifndef ROCKSDB_LITE | |
7 | #include "rocksdb/utilities/ldb_cmd.h" | |
8 | ||
9 | #ifndef __STDC_FORMAT_MACROS | |
10 | #define __STDC_FORMAT_MACROS | |
11 | #endif | |
12 | ||
13 | #include <inttypes.h> | |
14 | ||
15 | #include "db/db_impl.h" | |
16 | #include "db/dbformat.h" | |
17 | #include "db/log_reader.h" | |
18 | #include "db/write_batch_internal.h" | |
19 | #include "port/dirent.h" | |
20 | #include "rocksdb/cache.h" | |
21 | #include "rocksdb/table_properties.h" | |
22 | #include "rocksdb/utilities/backupable_db.h" | |
23 | #include "rocksdb/utilities/checkpoint.h" | |
24 | #include "rocksdb/utilities/object_registry.h" | |
25 | #include "rocksdb/utilities/options_util.h" | |
26 | #include "rocksdb/write_batch.h" | |
27 | #include "rocksdb/write_buffer_manager.h" | |
28 | #include "table/scoped_arena_iterator.h" | |
29 | #include "tools/ldb_cmd_impl.h" | |
30 | #include "tools/sst_dump_tool_imp.h" | |
31 | #include "util/coding.h" | |
32 | #include "util/filename.h" | |
33 | #include "util/stderr_logger.h" | |
34 | #include "util/string_util.h" | |
35 | #include "utilities/ttl/db_ttl_impl.h" | |
36 | ||
37 | #include <cstdlib> | |
38 | #include <ctime> | |
39 | #include <fstream> | |
40 | #include <functional> | |
41 | #include <iostream> | |
42 | #include <limits> | |
43 | #include <sstream> | |
44 | #include <stdexcept> | |
45 | #include <string> | |
46 | ||
47 | namespace rocksdb { | |
48 | ||
49 | const std::string LDBCommand::ARG_DB = "db"; | |
50 | const std::string LDBCommand::ARG_PATH = "path"; | |
51 | const std::string LDBCommand::ARG_HEX = "hex"; | |
52 | const std::string LDBCommand::ARG_KEY_HEX = "key_hex"; | |
53 | const std::string LDBCommand::ARG_VALUE_HEX = "value_hex"; | |
54 | const std::string LDBCommand::ARG_CF_NAME = "column_family"; | |
55 | const std::string LDBCommand::ARG_TTL = "ttl"; | |
56 | const std::string LDBCommand::ARG_TTL_START = "start_time"; | |
57 | const std::string LDBCommand::ARG_TTL_END = "end_time"; | |
58 | const std::string LDBCommand::ARG_TIMESTAMP = "timestamp"; | |
59 | const std::string LDBCommand::ARG_TRY_LOAD_OPTIONS = "try_load_options"; | |
60 | const std::string LDBCommand::ARG_FROM = "from"; | |
61 | const std::string LDBCommand::ARG_TO = "to"; | |
62 | const std::string LDBCommand::ARG_MAX_KEYS = "max_keys"; | |
63 | const std::string LDBCommand::ARG_BLOOM_BITS = "bloom_bits"; | |
64 | const std::string LDBCommand::ARG_FIX_PREFIX_LEN = "fix_prefix_len"; | |
65 | const std::string LDBCommand::ARG_COMPRESSION_TYPE = "compression_type"; | |
66 | const std::string LDBCommand::ARG_COMPRESSION_MAX_DICT_BYTES = | |
67 | "compression_max_dict_bytes"; | |
68 | const std::string LDBCommand::ARG_BLOCK_SIZE = "block_size"; | |
69 | const std::string LDBCommand::ARG_AUTO_COMPACTION = "auto_compaction"; | |
70 | const std::string LDBCommand::ARG_DB_WRITE_BUFFER_SIZE = "db_write_buffer_size"; | |
71 | const std::string LDBCommand::ARG_WRITE_BUFFER_SIZE = "write_buffer_size"; | |
72 | const std::string LDBCommand::ARG_FILE_SIZE = "file_size"; | |
73 | const std::string LDBCommand::ARG_CREATE_IF_MISSING = "create_if_missing"; | |
74 | const std::string LDBCommand::ARG_NO_VALUE = "no_value"; | |
75 | ||
76 | const char* LDBCommand::DELIM = " ==> "; | |
77 | ||
78 | namespace { | |
79 | ||
80 | void DumpWalFile(std::string wal_file, bool print_header, bool print_values, | |
81 | LDBCommandExecuteResult* exec_state); | |
82 | ||
83 | void DumpSstFile(std::string filename, bool output_hex, bool show_properties); | |
84 | }; | |
85 | ||
86 | LDBCommand* LDBCommand::InitFromCmdLineArgs( | |
87 | int argc, char** argv, const Options& options, | |
88 | const LDBOptions& ldb_options, | |
89 | const std::vector<ColumnFamilyDescriptor>* column_families) { | |
90 | std::vector<std::string> args; | |
91 | for (int i = 1; i < argc; i++) { | |
92 | args.push_back(argv[i]); | |
93 | } | |
94 | return InitFromCmdLineArgs(args, options, ldb_options, column_families, | |
95 | SelectCommand); | |
96 | } | |
97 | ||
98 | /** | |
99 | * Parse the command-line arguments and create the appropriate LDBCommand2 | |
100 | * instance. | |
101 | * The command line arguments must be in the following format: | |
102 | * ./ldb --db=PATH_TO_DB [--commonOpt1=commonOpt1Val] .. | |
103 | * COMMAND <PARAM1> <PARAM2> ... [-cmdSpecificOpt1=cmdSpecificOpt1Val] .. | |
104 | * This is similar to the command line format used by HBaseClientTool. | |
105 | * Command name is not included in args. | |
106 | * Returns nullptr if the command-line cannot be parsed. | |
107 | */ | |
108 | LDBCommand* LDBCommand::InitFromCmdLineArgs( | |
109 | const std::vector<std::string>& args, const Options& options, | |
110 | const LDBOptions& ldb_options, | |
111 | const std::vector<ColumnFamilyDescriptor>* column_families, | |
112 | const std::function<LDBCommand*(const ParsedParams&)>& selector) { | |
113 | // --x=y command line arguments are added as x->y map entries in | |
114 | // parsed_params.option_map. | |
115 | // | |
116 | // Command-line arguments of the form --hex end up in this array as hex to | |
117 | // parsed_params.flags | |
118 | ParsedParams parsed_params; | |
119 | ||
120 | // Everything other than option_map and flags. Represents commands | |
121 | // and their parameters. For eg: put key1 value1 go into this vector. | |
122 | std::vector<std::string> cmdTokens; | |
123 | ||
124 | const std::string OPTION_PREFIX = "--"; | |
125 | ||
126 | for (const auto& arg : args) { | |
127 | if (arg[0] == '-' && arg[1] == '-'){ | |
128 | std::vector<std::string> splits = StringSplit(arg, '='); | |
129 | if (splits.size() == 2) { | |
130 | std::string optionKey = splits[0].substr(OPTION_PREFIX.size()); | |
131 | parsed_params.option_map[optionKey] = splits[1]; | |
132 | } else { | |
133 | std::string optionKey = splits[0].substr(OPTION_PREFIX.size()); | |
134 | parsed_params.flags.push_back(optionKey); | |
135 | } | |
136 | } else { | |
137 | cmdTokens.push_back(arg); | |
138 | } | |
139 | } | |
140 | ||
141 | if (cmdTokens.size() < 1) { | |
142 | fprintf(stderr, "Command not specified!"); | |
143 | return nullptr; | |
144 | } | |
145 | ||
146 | parsed_params.cmd = cmdTokens[0]; | |
147 | parsed_params.cmd_params.assign(cmdTokens.begin() + 1, cmdTokens.end()); | |
148 | ||
149 | LDBCommand* command = selector(parsed_params); | |
150 | ||
151 | if (command) { | |
152 | command->SetDBOptions(options); | |
153 | command->SetLDBOptions(ldb_options); | |
154 | } | |
155 | return command; | |
156 | } | |
157 | ||
158 | LDBCommand* LDBCommand::SelectCommand(const ParsedParams& parsed_params) { | |
159 | if (parsed_params.cmd == GetCommand::Name()) { | |
160 | return new GetCommand(parsed_params.cmd_params, parsed_params.option_map, | |
161 | parsed_params.flags); | |
162 | } else if (parsed_params.cmd == PutCommand::Name()) { | |
163 | return new PutCommand(parsed_params.cmd_params, parsed_params.option_map, | |
164 | parsed_params.flags); | |
165 | } else if (parsed_params.cmd == BatchPutCommand::Name()) { | |
166 | return new BatchPutCommand(parsed_params.cmd_params, | |
167 | parsed_params.option_map, parsed_params.flags); | |
168 | } else if (parsed_params.cmd == ScanCommand::Name()) { | |
169 | return new ScanCommand(parsed_params.cmd_params, parsed_params.option_map, | |
170 | parsed_params.flags); | |
171 | } else if (parsed_params.cmd == DeleteCommand::Name()) { | |
172 | return new DeleteCommand(parsed_params.cmd_params, parsed_params.option_map, | |
173 | parsed_params.flags); | |
174 | } else if (parsed_params.cmd == DeleteRangeCommand::Name()) { | |
175 | return new DeleteRangeCommand(parsed_params.cmd_params, | |
176 | parsed_params.option_map, | |
177 | parsed_params.flags); | |
178 | } else if (parsed_params.cmd == ApproxSizeCommand::Name()) { | |
179 | return new ApproxSizeCommand(parsed_params.cmd_params, | |
180 | parsed_params.option_map, parsed_params.flags); | |
181 | } else if (parsed_params.cmd == DBQuerierCommand::Name()) { | |
182 | return new DBQuerierCommand(parsed_params.cmd_params, | |
183 | parsed_params.option_map, parsed_params.flags); | |
184 | } else if (parsed_params.cmd == CompactorCommand::Name()) { | |
185 | return new CompactorCommand(parsed_params.cmd_params, | |
186 | parsed_params.option_map, parsed_params.flags); | |
187 | } else if (parsed_params.cmd == WALDumperCommand::Name()) { | |
188 | return new WALDumperCommand(parsed_params.cmd_params, | |
189 | parsed_params.option_map, parsed_params.flags); | |
190 | } else if (parsed_params.cmd == ReduceDBLevelsCommand::Name()) { | |
191 | return new ReduceDBLevelsCommand(parsed_params.cmd_params, | |
192 | parsed_params.option_map, | |
193 | parsed_params.flags); | |
194 | } else if (parsed_params.cmd == ChangeCompactionStyleCommand::Name()) { | |
195 | return new ChangeCompactionStyleCommand(parsed_params.cmd_params, | |
196 | parsed_params.option_map, | |
197 | parsed_params.flags); | |
198 | } else if (parsed_params.cmd == DBDumperCommand::Name()) { | |
199 | return new DBDumperCommand(parsed_params.cmd_params, | |
200 | parsed_params.option_map, parsed_params.flags); | |
201 | } else if (parsed_params.cmd == DBLoaderCommand::Name()) { | |
202 | return new DBLoaderCommand(parsed_params.cmd_params, | |
203 | parsed_params.option_map, parsed_params.flags); | |
204 | } else if (parsed_params.cmd == ManifestDumpCommand::Name()) { | |
205 | return new ManifestDumpCommand(parsed_params.cmd_params, | |
206 | parsed_params.option_map, | |
207 | parsed_params.flags); | |
208 | } else if (parsed_params.cmd == ListColumnFamiliesCommand::Name()) { | |
209 | return new ListColumnFamiliesCommand(parsed_params.cmd_params, | |
210 | parsed_params.option_map, | |
211 | parsed_params.flags); | |
212 | } else if (parsed_params.cmd == CreateColumnFamilyCommand::Name()) { | |
213 | return new CreateColumnFamilyCommand(parsed_params.cmd_params, | |
214 | parsed_params.option_map, | |
215 | parsed_params.flags); | |
216 | } else if (parsed_params.cmd == DBFileDumperCommand::Name()) { | |
217 | return new DBFileDumperCommand(parsed_params.cmd_params, | |
218 | parsed_params.option_map, | |
219 | parsed_params.flags); | |
220 | } else if (parsed_params.cmd == InternalDumpCommand::Name()) { | |
221 | return new InternalDumpCommand(parsed_params.cmd_params, | |
222 | parsed_params.option_map, | |
223 | parsed_params.flags); | |
224 | } else if (parsed_params.cmd == CheckConsistencyCommand::Name()) { | |
225 | return new CheckConsistencyCommand(parsed_params.cmd_params, | |
226 | parsed_params.option_map, | |
227 | parsed_params.flags); | |
228 | } else if (parsed_params.cmd == CheckPointCommand::Name()) { | |
229 | return new CheckPointCommand(parsed_params.cmd_params, | |
230 | parsed_params.option_map, | |
231 | parsed_params.flags); | |
232 | } else if (parsed_params.cmd == RepairCommand::Name()) { | |
233 | return new RepairCommand(parsed_params.cmd_params, parsed_params.option_map, | |
234 | parsed_params.flags); | |
235 | } else if (parsed_params.cmd == BackupCommand::Name()) { | |
236 | return new BackupCommand(parsed_params.cmd_params, parsed_params.option_map, | |
237 | parsed_params.flags); | |
238 | } else if (parsed_params.cmd == RestoreCommand::Name()) { | |
239 | return new RestoreCommand(parsed_params.cmd_params, | |
240 | parsed_params.option_map, parsed_params.flags); | |
241 | } | |
242 | return nullptr; | |
243 | } | |
244 | ||
245 | /* Run the command, and return the execute result. */ | |
246 | void LDBCommand::Run() { | |
247 | if (!exec_state_.IsNotStarted()) { | |
248 | return; | |
249 | } | |
250 | ||
251 | if (db_ == nullptr && !NoDBOpen()) { | |
252 | OpenDB(); | |
253 | if (exec_state_.IsFailed() && try_load_options_) { | |
254 | // We don't always return if there is a failure because a WAL file or | |
255 | // manifest file can be given to "dump" command so we should continue. | |
256 | // --try_load_options is not valid in those cases. | |
257 | return; | |
258 | } | |
259 | } | |
260 | ||
261 | // We'll intentionally proceed even if the DB can't be opened because users | |
262 | // can also specify a filename, not just a directory. | |
263 | DoCommand(); | |
264 | ||
265 | if (exec_state_.IsNotStarted()) { | |
266 | exec_state_ = LDBCommandExecuteResult::Succeed(""); | |
267 | } | |
268 | ||
269 | if (db_ != nullptr) { | |
270 | CloseDB(); | |
271 | } | |
272 | } | |
273 | ||
274 | LDBCommand::LDBCommand(const std::map<std::string, std::string>& options, | |
275 | const std::vector<std::string>& flags, bool is_read_only, | |
276 | const std::vector<std::string>& valid_cmd_line_options) | |
277 | : db_(nullptr), | |
278 | is_read_only_(is_read_only), | |
279 | is_key_hex_(false), | |
280 | is_value_hex_(false), | |
281 | is_db_ttl_(false), | |
282 | timestamp_(false), | |
283 | try_load_options_(false), | |
284 | create_if_missing_(false), | |
285 | option_map_(options), | |
286 | flags_(flags), | |
287 | valid_cmd_line_options_(valid_cmd_line_options) { | |
288 | std::map<std::string, std::string>::const_iterator itr = options.find(ARG_DB); | |
289 | if (itr != options.end()) { | |
290 | db_path_ = itr->second; | |
291 | } | |
292 | ||
293 | itr = options.find(ARG_CF_NAME); | |
294 | if (itr != options.end()) { | |
295 | column_family_name_ = itr->second; | |
296 | } else { | |
297 | column_family_name_ = kDefaultColumnFamilyName; | |
298 | } | |
299 | ||
300 | is_key_hex_ = IsKeyHex(options, flags); | |
301 | is_value_hex_ = IsValueHex(options, flags); | |
302 | is_db_ttl_ = IsFlagPresent(flags, ARG_TTL); | |
303 | timestamp_ = IsFlagPresent(flags, ARG_TIMESTAMP); | |
304 | try_load_options_ = IsFlagPresent(flags, ARG_TRY_LOAD_OPTIONS); | |
305 | } | |
306 | ||
307 | void LDBCommand::OpenDB() { | |
308 | Options opt; | |
309 | bool opt_set = false; | |
310 | if (!create_if_missing_ && try_load_options_) { | |
311 | Status s = | |
312 | LoadLatestOptions(db_path_, Env::Default(), &opt, &column_families_); | |
313 | if (s.ok()) { | |
314 | opt_set = true; | |
315 | } else if (!s.IsNotFound()) { | |
316 | // Option file exists but load option file error. | |
317 | std::string msg = s.ToString(); | |
318 | exec_state_ = LDBCommandExecuteResult::Failed(msg); | |
319 | db_ = nullptr; | |
320 | return; | |
321 | } | |
322 | } | |
323 | if (!opt_set) { | |
324 | opt = PrepareOptionsForOpenDB(); | |
325 | } | |
326 | if (!exec_state_.IsNotStarted()) { | |
327 | return; | |
328 | } | |
329 | // Open the DB. | |
330 | Status st; | |
331 | std::vector<ColumnFamilyHandle*> handles_opened; | |
332 | if (is_db_ttl_) { | |
333 | // ldb doesn't yet support TTL DB with multiple column families | |
334 | if (!column_family_name_.empty() || !column_families_.empty()) { | |
335 | exec_state_ = LDBCommandExecuteResult::Failed( | |
336 | "ldb doesn't support TTL DB with multiple column families"); | |
337 | } | |
338 | if (is_read_only_) { | |
339 | st = DBWithTTL::Open(opt, db_path_, &db_ttl_, 0, true); | |
340 | } else { | |
341 | st = DBWithTTL::Open(opt, db_path_, &db_ttl_); | |
342 | } | |
343 | db_ = db_ttl_; | |
344 | } else { | |
345 | if (!opt_set && column_families_.empty()) { | |
346 | // Try to figure out column family lists | |
347 | std::vector<std::string> cf_list; | |
348 | st = DB::ListColumnFamilies(DBOptions(), db_path_, &cf_list); | |
349 | // There is possible the DB doesn't exist yet, for "create if not | |
350 | // "existing case". The failure is ignored here. We rely on DB::Open() | |
351 | // to give us the correct error message for problem with opening | |
352 | // existing DB. | |
353 | if (st.ok() && cf_list.size() > 1) { | |
354 | // Ignore single column family DB. | |
355 | for (auto cf_name : cf_list) { | |
356 | column_families_.emplace_back(cf_name, opt); | |
357 | } | |
358 | } | |
359 | } | |
360 | if (is_read_only_) { | |
361 | if (column_families_.empty()) { | |
362 | st = DB::OpenForReadOnly(opt, db_path_, &db_); | |
363 | } else { | |
364 | st = DB::OpenForReadOnly(opt, db_path_, column_families_, | |
365 | &handles_opened, &db_); | |
366 | } | |
367 | } else { | |
368 | if (column_families_.empty()) { | |
369 | st = DB::Open(opt, db_path_, &db_); | |
370 | } else { | |
371 | st = DB::Open(opt, db_path_, column_families_, &handles_opened, &db_); | |
372 | } | |
373 | } | |
374 | } | |
375 | if (!st.ok()) { | |
376 | std::string msg = st.ToString(); | |
377 | exec_state_ = LDBCommandExecuteResult::Failed(msg); | |
378 | } else if (!handles_opened.empty()) { | |
379 | assert(handles_opened.size() == column_families_.size()); | |
380 | bool found_cf_name = false; | |
381 | for (size_t i = 0; i < handles_opened.size(); i++) { | |
382 | cf_handles_[column_families_[i].name] = handles_opened[i]; | |
383 | if (column_family_name_ == column_families_[i].name) { | |
384 | found_cf_name = true; | |
385 | } | |
386 | } | |
387 | if (!found_cf_name) { | |
388 | exec_state_ = LDBCommandExecuteResult::Failed( | |
389 | "Non-existing column family " + column_family_name_); | |
390 | CloseDB(); | |
391 | } | |
392 | } else { | |
393 | // We successfully opened DB in single column family mode. | |
394 | assert(column_families_.empty()); | |
395 | if (column_family_name_ != kDefaultColumnFamilyName) { | |
396 | exec_state_ = LDBCommandExecuteResult::Failed( | |
397 | "Non-existing column family " + column_family_name_); | |
398 | CloseDB(); | |
399 | } | |
400 | } | |
401 | ||
402 | options_ = opt; | |
403 | } | |
404 | ||
405 | void LDBCommand::CloseDB() { | |
406 | if (db_ != nullptr) { | |
407 | for (auto& pair : cf_handles_) { | |
408 | delete pair.second; | |
409 | } | |
410 | delete db_; | |
411 | db_ = nullptr; | |
412 | } | |
413 | } | |
414 | ||
415 | ColumnFamilyHandle* LDBCommand::GetCfHandle() { | |
416 | if (!cf_handles_.empty()) { | |
417 | auto it = cf_handles_.find(column_family_name_); | |
418 | if (it == cf_handles_.end()) { | |
419 | exec_state_ = LDBCommandExecuteResult::Failed( | |
420 | "Cannot find column family " + column_family_name_); | |
421 | } else { | |
422 | return it->second; | |
423 | } | |
424 | } | |
425 | return db_->DefaultColumnFamily(); | |
426 | } | |
427 | ||
428 | std::vector<std::string> LDBCommand::BuildCmdLineOptions( | |
429 | std::vector<std::string> options) { | |
430 | std::vector<std::string> ret = {ARG_DB, | |
431 | ARG_BLOOM_BITS, | |
432 | ARG_BLOCK_SIZE, | |
433 | ARG_AUTO_COMPACTION, | |
434 | ARG_COMPRESSION_TYPE, | |
435 | ARG_COMPRESSION_MAX_DICT_BYTES, | |
436 | ARG_WRITE_BUFFER_SIZE, | |
437 | ARG_FILE_SIZE, | |
438 | ARG_FIX_PREFIX_LEN, | |
439 | ARG_TRY_LOAD_OPTIONS, | |
440 | ARG_CF_NAME}; | |
441 | ret.insert(ret.end(), options.begin(), options.end()); | |
442 | return ret; | |
443 | } | |
444 | ||
445 | /** | |
446 | * Parses the specific integer option and fills in the value. | |
447 | * Returns true if the option is found. | |
448 | * Returns false if the option is not found or if there is an error parsing the | |
449 | * value. If there is an error, the specified exec_state is also | |
450 | * updated. | |
451 | */ | |
452 | bool LDBCommand::ParseIntOption( | |
453 | const std::map<std::string, std::string>& options, | |
454 | const std::string& option, int& value, | |
455 | LDBCommandExecuteResult& exec_state) { | |
456 | std::map<std::string, std::string>::const_iterator itr = | |
457 | option_map_.find(option); | |
458 | if (itr != option_map_.end()) { | |
459 | try { | |
460 | #if defined(CYGWIN) | |
461 | value = strtol(itr->second.c_str(), 0, 10); | |
462 | #else | |
463 | value = std::stoi(itr->second); | |
464 | #endif | |
465 | return true; | |
466 | } catch (const std::invalid_argument&) { | |
467 | exec_state = | |
468 | LDBCommandExecuteResult::Failed(option + " has an invalid value."); | |
469 | } catch (const std::out_of_range&) { | |
470 | exec_state = LDBCommandExecuteResult::Failed( | |
471 | option + " has a value out-of-range."); | |
472 | } | |
473 | } | |
474 | return false; | |
475 | } | |
476 | ||
477 | /** | |
478 | * Parses the specified option and fills in the value. | |
479 | * Returns true if the option is found. | |
480 | * Returns false otherwise. | |
481 | */ | |
482 | bool LDBCommand::ParseStringOption( | |
483 | const std::map<std::string, std::string>& options, | |
484 | const std::string& option, std::string* value) { | |
485 | auto itr = option_map_.find(option); | |
486 | if (itr != option_map_.end()) { | |
487 | *value = itr->second; | |
488 | return true; | |
489 | } | |
490 | return false; | |
491 | } | |
492 | ||
493 | Options LDBCommand::PrepareOptionsForOpenDB() { | |
494 | ||
495 | Options opt = options_; | |
496 | opt.create_if_missing = false; | |
497 | ||
498 | std::map<std::string, std::string>::const_iterator itr; | |
499 | ||
500 | BlockBasedTableOptions table_options; | |
501 | bool use_table_options = false; | |
502 | int bits; | |
503 | if (ParseIntOption(option_map_, ARG_BLOOM_BITS, bits, exec_state_)) { | |
504 | if (bits > 0) { | |
505 | use_table_options = true; | |
506 | table_options.filter_policy.reset(NewBloomFilterPolicy(bits)); | |
507 | } else { | |
508 | exec_state_ = | |
509 | LDBCommandExecuteResult::Failed(ARG_BLOOM_BITS + " must be > 0."); | |
510 | } | |
511 | } | |
512 | ||
513 | int block_size; | |
514 | if (ParseIntOption(option_map_, ARG_BLOCK_SIZE, block_size, exec_state_)) { | |
515 | if (block_size > 0) { | |
516 | use_table_options = true; | |
517 | table_options.block_size = block_size; | |
518 | } else { | |
519 | exec_state_ = | |
520 | LDBCommandExecuteResult::Failed(ARG_BLOCK_SIZE + " must be > 0."); | |
521 | } | |
522 | } | |
523 | ||
524 | if (use_table_options) { | |
525 | opt.table_factory.reset(NewBlockBasedTableFactory(table_options)); | |
526 | } | |
527 | ||
528 | itr = option_map_.find(ARG_AUTO_COMPACTION); | |
529 | if (itr != option_map_.end()) { | |
530 | opt.disable_auto_compactions = ! StringToBool(itr->second); | |
531 | } | |
532 | ||
533 | itr = option_map_.find(ARG_COMPRESSION_TYPE); | |
534 | if (itr != option_map_.end()) { | |
535 | std::string comp = itr->second; | |
536 | if (comp == "no") { | |
537 | opt.compression = kNoCompression; | |
538 | } else if (comp == "snappy") { | |
539 | opt.compression = kSnappyCompression; | |
540 | } else if (comp == "zlib") { | |
541 | opt.compression = kZlibCompression; | |
542 | } else if (comp == "bzip2") { | |
543 | opt.compression = kBZip2Compression; | |
544 | } else if (comp == "lz4") { | |
545 | opt.compression = kLZ4Compression; | |
546 | } else if (comp == "lz4hc") { | |
547 | opt.compression = kLZ4HCCompression; | |
548 | } else if (comp == "xpress") { | |
549 | opt.compression = kXpressCompression; | |
550 | } else if (comp == "zstd") { | |
551 | opt.compression = kZSTD; | |
552 | } else { | |
553 | // Unknown compression. | |
554 | exec_state_ = | |
555 | LDBCommandExecuteResult::Failed("Unknown compression level: " + comp); | |
556 | } | |
557 | } | |
558 | ||
559 | int compression_max_dict_bytes; | |
560 | if (ParseIntOption(option_map_, ARG_COMPRESSION_MAX_DICT_BYTES, | |
561 | compression_max_dict_bytes, exec_state_)) { | |
562 | if (compression_max_dict_bytes >= 0) { | |
563 | opt.compression_opts.max_dict_bytes = compression_max_dict_bytes; | |
564 | } else { | |
565 | exec_state_ = LDBCommandExecuteResult::Failed( | |
566 | ARG_COMPRESSION_MAX_DICT_BYTES + " must be >= 0."); | |
567 | } | |
568 | } | |
569 | ||
570 | int db_write_buffer_size; | |
571 | if (ParseIntOption(option_map_, ARG_DB_WRITE_BUFFER_SIZE, | |
572 | db_write_buffer_size, exec_state_)) { | |
573 | if (db_write_buffer_size >= 0) { | |
574 | opt.db_write_buffer_size = db_write_buffer_size; | |
575 | } else { | |
576 | exec_state_ = LDBCommandExecuteResult::Failed(ARG_DB_WRITE_BUFFER_SIZE + | |
577 | " must be >= 0."); | |
578 | } | |
579 | } | |
580 | ||
581 | int write_buffer_size; | |
582 | if (ParseIntOption(option_map_, ARG_WRITE_BUFFER_SIZE, write_buffer_size, | |
583 | exec_state_)) { | |
584 | if (write_buffer_size > 0) { | |
585 | opt.write_buffer_size = write_buffer_size; | |
586 | } else { | |
587 | exec_state_ = LDBCommandExecuteResult::Failed(ARG_WRITE_BUFFER_SIZE + | |
588 | " must be > 0."); | |
589 | } | |
590 | } | |
591 | ||
592 | int file_size; | |
593 | if (ParseIntOption(option_map_, ARG_FILE_SIZE, file_size, exec_state_)) { | |
594 | if (file_size > 0) { | |
595 | opt.target_file_size_base = file_size; | |
596 | } else { | |
597 | exec_state_ = | |
598 | LDBCommandExecuteResult::Failed(ARG_FILE_SIZE + " must be > 0."); | |
599 | } | |
600 | } | |
601 | ||
602 | if (opt.db_paths.size() == 0) { | |
603 | opt.db_paths.emplace_back(db_path_, std::numeric_limits<uint64_t>::max()); | |
604 | } | |
605 | ||
606 | int fix_prefix_len; | |
607 | if (ParseIntOption(option_map_, ARG_FIX_PREFIX_LEN, fix_prefix_len, | |
608 | exec_state_)) { | |
609 | if (fix_prefix_len > 0) { | |
610 | opt.prefix_extractor.reset( | |
611 | NewFixedPrefixTransform(static_cast<size_t>(fix_prefix_len))); | |
612 | } else { | |
613 | exec_state_ = | |
614 | LDBCommandExecuteResult::Failed(ARG_FIX_PREFIX_LEN + " must be > 0."); | |
615 | } | |
616 | } | |
617 | ||
618 | return opt; | |
619 | } | |
620 | ||
621 | bool LDBCommand::ParseKeyValue(const std::string& line, std::string* key, | |
622 | std::string* value, bool is_key_hex, | |
623 | bool is_value_hex) { | |
624 | size_t pos = line.find(DELIM); | |
625 | if (pos != std::string::npos) { | |
626 | *key = line.substr(0, pos); | |
627 | *value = line.substr(pos + strlen(DELIM)); | |
628 | if (is_key_hex) { | |
629 | *key = HexToString(*key); | |
630 | } | |
631 | if (is_value_hex) { | |
632 | *value = HexToString(*value); | |
633 | } | |
634 | return true; | |
635 | } else { | |
636 | return false; | |
637 | } | |
638 | } | |
639 | ||
640 | /** | |
641 | * Make sure that ONLY the command-line options and flags expected by this | |
642 | * command are specified on the command-line. Extraneous options are usually | |
643 | * the result of user error. | |
644 | * Returns true if all checks pass. Else returns false, and prints an | |
645 | * appropriate error msg to stderr. | |
646 | */ | |
647 | bool LDBCommand::ValidateCmdLineOptions() { | |
648 | for (std::map<std::string, std::string>::const_iterator itr = | |
649 | option_map_.begin(); | |
650 | itr != option_map_.end(); ++itr) { | |
651 | if (std::find(valid_cmd_line_options_.begin(), | |
652 | valid_cmd_line_options_.end(), | |
653 | itr->first) == valid_cmd_line_options_.end()) { | |
654 | fprintf(stderr, "Invalid command-line option %s\n", itr->first.c_str()); | |
655 | return false; | |
656 | } | |
657 | } | |
658 | ||
659 | for (std::vector<std::string>::const_iterator itr = flags_.begin(); | |
660 | itr != flags_.end(); ++itr) { | |
661 | if (std::find(valid_cmd_line_options_.begin(), | |
662 | valid_cmd_line_options_.end(), | |
663 | *itr) == valid_cmd_line_options_.end()) { | |
664 | fprintf(stderr, "Invalid command-line flag %s\n", itr->c_str()); | |
665 | return false; | |
666 | } | |
667 | } | |
668 | ||
669 | if (!NoDBOpen() && option_map_.find(ARG_DB) == option_map_.end() && | |
670 | option_map_.find(ARG_PATH) == option_map_.end()) { | |
671 | fprintf(stderr, "Either %s or %s must be specified.\n", ARG_DB.c_str(), | |
672 | ARG_PATH.c_str()); | |
673 | return false; | |
674 | } | |
675 | ||
676 | return true; | |
677 | } | |
678 | ||
679 | std::string LDBCommand::HexToString(const std::string& str) { | |
680 | std::string result; | |
681 | std::string::size_type len = str.length(); | |
682 | if (len < 2 || str[0] != '0' || str[1] != 'x') { | |
683 | fprintf(stderr, "Invalid hex input %s. Must start with 0x\n", str.c_str()); | |
684 | throw "Invalid hex input"; | |
685 | } | |
686 | if (!Slice(str.data() + 2, len - 2).DecodeHex(&result)) { | |
687 | throw "Invalid hex input"; | |
688 | } | |
689 | return result; | |
690 | } | |
691 | ||
692 | std::string LDBCommand::StringToHex(const std::string& str) { | |
693 | std::string result("0x"); | |
694 | result.append(Slice(str).ToString(true)); | |
695 | return result; | |
696 | } | |
697 | ||
698 | std::string LDBCommand::PrintKeyValue(const std::string& key, | |
699 | const std::string& value, bool is_key_hex, | |
700 | bool is_value_hex) { | |
701 | std::string result; | |
702 | result.append(is_key_hex ? StringToHex(key) : key); | |
703 | result.append(DELIM); | |
704 | result.append(is_value_hex ? StringToHex(value) : value); | |
705 | return result; | |
706 | } | |
707 | ||
708 | std::string LDBCommand::PrintKeyValue(const std::string& key, | |
709 | const std::string& value, bool is_hex) { | |
710 | return PrintKeyValue(key, value, is_hex, is_hex); | |
711 | } | |
712 | ||
713 | std::string LDBCommand::HelpRangeCmdArgs() { | |
714 | std::ostringstream str_stream; | |
715 | str_stream << " "; | |
716 | str_stream << "[--" << ARG_FROM << "] "; | |
717 | str_stream << "[--" << ARG_TO << "] "; | |
718 | return str_stream.str(); | |
719 | } | |
720 | ||
721 | bool LDBCommand::IsKeyHex(const std::map<std::string, std::string>& options, | |
722 | const std::vector<std::string>& flags) { | |
723 | return (IsFlagPresent(flags, ARG_HEX) || IsFlagPresent(flags, ARG_KEY_HEX) || | |
724 | ParseBooleanOption(options, ARG_HEX, false) || | |
725 | ParseBooleanOption(options, ARG_KEY_HEX, false)); | |
726 | } | |
727 | ||
728 | bool LDBCommand::IsValueHex(const std::map<std::string, std::string>& options, | |
729 | const std::vector<std::string>& flags) { | |
730 | return (IsFlagPresent(flags, ARG_HEX) || | |
731 | IsFlagPresent(flags, ARG_VALUE_HEX) || | |
732 | ParseBooleanOption(options, ARG_HEX, false) || | |
733 | ParseBooleanOption(options, ARG_VALUE_HEX, false)); | |
734 | } | |
735 | ||
736 | bool LDBCommand::ParseBooleanOption( | |
737 | const std::map<std::string, std::string>& options, | |
738 | const std::string& option, bool default_val) { | |
739 | std::map<std::string, std::string>::const_iterator itr = options.find(option); | |
740 | if (itr != options.end()) { | |
741 | std::string option_val = itr->second; | |
742 | return StringToBool(itr->second); | |
743 | } | |
744 | return default_val; | |
745 | } | |
746 | ||
747 | bool LDBCommand::StringToBool(std::string val) { | |
748 | std::transform(val.begin(), val.end(), val.begin(), | |
749 | [](char ch) -> char { return (char)::tolower(ch); }); | |
750 | ||
751 | if (val == "true") { | |
752 | return true; | |
753 | } else if (val == "false") { | |
754 | return false; | |
755 | } else { | |
756 | throw "Invalid value for boolean argument"; | |
757 | } | |
758 | } | |
759 | ||
760 | CompactorCommand::CompactorCommand( | |
761 | const std::vector<std::string>& params, | |
762 | const std::map<std::string, std::string>& options, | |
763 | const std::vector<std::string>& flags) | |
764 | : LDBCommand(options, flags, false, | |
765 | BuildCmdLineOptions({ARG_FROM, ARG_TO, ARG_HEX, ARG_KEY_HEX, | |
766 | ARG_VALUE_HEX, ARG_TTL})), | |
767 | null_from_(true), | |
768 | null_to_(true) { | |
769 | std::map<std::string, std::string>::const_iterator itr = | |
770 | options.find(ARG_FROM); | |
771 | if (itr != options.end()) { | |
772 | null_from_ = false; | |
773 | from_ = itr->second; | |
774 | } | |
775 | ||
776 | itr = options.find(ARG_TO); | |
777 | if (itr != options.end()) { | |
778 | null_to_ = false; | |
779 | to_ = itr->second; | |
780 | } | |
781 | ||
782 | if (is_key_hex_) { | |
783 | if (!null_from_) { | |
784 | from_ = HexToString(from_); | |
785 | } | |
786 | if (!null_to_) { | |
787 | to_ = HexToString(to_); | |
788 | } | |
789 | } | |
790 | } | |
791 | ||
792 | void CompactorCommand::Help(std::string& ret) { | |
793 | ret.append(" "); | |
794 | ret.append(CompactorCommand::Name()); | |
795 | ret.append(HelpRangeCmdArgs()); | |
796 | ret.append("\n"); | |
797 | } | |
798 | ||
799 | void CompactorCommand::DoCommand() { | |
800 | if (!db_) { | |
801 | assert(GetExecuteState().IsFailed()); | |
802 | return; | |
803 | } | |
804 | ||
805 | Slice* begin = nullptr; | |
806 | Slice* end = nullptr; | |
807 | if (!null_from_) { | |
808 | begin = new Slice(from_); | |
809 | } | |
810 | if (!null_to_) { | |
811 | end = new Slice(to_); | |
812 | } | |
813 | ||
814 | CompactRangeOptions cro; | |
815 | cro.bottommost_level_compaction = BottommostLevelCompaction::kForce; | |
816 | ||
817 | db_->CompactRange(cro, GetCfHandle(), begin, end); | |
818 | exec_state_ = LDBCommandExecuteResult::Succeed(""); | |
819 | ||
820 | delete begin; | |
821 | delete end; | |
822 | } | |
823 | ||
824 | // ---------------------------------------------------------------------------- | |
825 | ||
826 | const std::string DBLoaderCommand::ARG_DISABLE_WAL = "disable_wal"; | |
827 | const std::string DBLoaderCommand::ARG_BULK_LOAD = "bulk_load"; | |
828 | const std::string DBLoaderCommand::ARG_COMPACT = "compact"; | |
829 | ||
830 | DBLoaderCommand::DBLoaderCommand( | |
831 | const std::vector<std::string>& params, | |
832 | const std::map<std::string, std::string>& options, | |
833 | const std::vector<std::string>& flags) | |
834 | : LDBCommand( | |
835 | options, flags, false, | |
836 | BuildCmdLineOptions({ARG_HEX, ARG_KEY_HEX, ARG_VALUE_HEX, ARG_FROM, | |
837 | ARG_TO, ARG_CREATE_IF_MISSING, ARG_DISABLE_WAL, | |
838 | ARG_BULK_LOAD, ARG_COMPACT})), | |
839 | disable_wal_(false), | |
840 | bulk_load_(false), | |
841 | compact_(false) { | |
842 | create_if_missing_ = IsFlagPresent(flags, ARG_CREATE_IF_MISSING); | |
843 | disable_wal_ = IsFlagPresent(flags, ARG_DISABLE_WAL); | |
844 | bulk_load_ = IsFlagPresent(flags, ARG_BULK_LOAD); | |
845 | compact_ = IsFlagPresent(flags, ARG_COMPACT); | |
846 | } | |
847 | ||
848 | void DBLoaderCommand::Help(std::string& ret) { | |
849 | ret.append(" "); | |
850 | ret.append(DBLoaderCommand::Name()); | |
851 | ret.append(" [--" + ARG_CREATE_IF_MISSING + "]"); | |
852 | ret.append(" [--" + ARG_DISABLE_WAL + "]"); | |
853 | ret.append(" [--" + ARG_BULK_LOAD + "]"); | |
854 | ret.append(" [--" + ARG_COMPACT + "]"); | |
855 | ret.append("\n"); | |
856 | } | |
857 | ||
858 | Options DBLoaderCommand::PrepareOptionsForOpenDB() { | |
859 | Options opt = LDBCommand::PrepareOptionsForOpenDB(); | |
860 | opt.create_if_missing = create_if_missing_; | |
861 | if (bulk_load_) { | |
862 | opt.PrepareForBulkLoad(); | |
863 | } | |
864 | return opt; | |
865 | } | |
866 | ||
867 | void DBLoaderCommand::DoCommand() { | |
868 | if (!db_) { | |
869 | assert(GetExecuteState().IsFailed()); | |
870 | return; | |
871 | } | |
872 | ||
873 | WriteOptions write_options; | |
874 | if (disable_wal_) { | |
875 | write_options.disableWAL = true; | |
876 | } | |
877 | ||
878 | int bad_lines = 0; | |
879 | std::string line; | |
880 | // prefer ifstream getline performance vs that from std::cin istream | |
881 | std::ifstream ifs_stdin("/dev/stdin"); | |
882 | std::istream* istream_p = ifs_stdin.is_open() ? &ifs_stdin : &std::cin; | |
883 | while (getline(*istream_p, line, '\n')) { | |
884 | std::string key; | |
885 | std::string value; | |
886 | if (ParseKeyValue(line, &key, &value, is_key_hex_, is_value_hex_)) { | |
887 | db_->Put(write_options, GetCfHandle(), Slice(key), Slice(value)); | |
888 | } else if (0 == line.find("Keys in range:")) { | |
889 | // ignore this line | |
890 | } else if (0 == line.find("Created bg thread 0x")) { | |
891 | // ignore this line | |
892 | } else { | |
893 | bad_lines ++; | |
894 | } | |
895 | } | |
896 | ||
897 | if (bad_lines > 0) { | |
898 | std::cout << "Warning: " << bad_lines << " bad lines ignored." << std::endl; | |
899 | } | |
900 | if (compact_) { | |
901 | db_->CompactRange(CompactRangeOptions(), GetCfHandle(), nullptr, nullptr); | |
902 | } | |
903 | } | |
904 | ||
905 | // ---------------------------------------------------------------------------- | |
906 | ||
907 | namespace { | |
908 | ||
909 | void DumpManifestFile(std::string file, bool verbose, bool hex, bool json) { | |
910 | Options options; | |
911 | EnvOptions sopt; | |
912 | std::string dbname("dummy"); | |
913 | std::shared_ptr<Cache> tc(NewLRUCache(options.max_open_files - 10, | |
914 | options.table_cache_numshardbits)); | |
915 | // Notice we are using the default options not through SanitizeOptions(), | |
916 | // if VersionSet::DumpManifest() depends on any option done by | |
917 | // SanitizeOptions(), we need to initialize it manually. | |
918 | options.db_paths.emplace_back("dummy", 0); | |
919 | options.num_levels = 64; | |
920 | WriteController wc(options.delayed_write_rate); | |
921 | WriteBufferManager wb(options.db_write_buffer_size); | |
922 | ImmutableDBOptions immutable_db_options(options); | |
923 | VersionSet versions(dbname, &immutable_db_options, sopt, tc.get(), &wb, &wc); | |
924 | Status s = versions.DumpManifest(options, file, verbose, hex, json); | |
925 | if (!s.ok()) { | |
926 | printf("Error in processing file %s %s\n", file.c_str(), | |
927 | s.ToString().c_str()); | |
928 | } | |
929 | } | |
930 | ||
931 | } // namespace | |
932 | ||
933 | const std::string ManifestDumpCommand::ARG_VERBOSE = "verbose"; | |
934 | const std::string ManifestDumpCommand::ARG_JSON = "json"; | |
935 | const std::string ManifestDumpCommand::ARG_PATH = "path"; | |
936 | ||
937 | void ManifestDumpCommand::Help(std::string& ret) { | |
938 | ret.append(" "); | |
939 | ret.append(ManifestDumpCommand::Name()); | |
940 | ret.append(" [--" + ARG_VERBOSE + "]"); | |
941 | ret.append(" [--" + ARG_JSON + "]"); | |
942 | ret.append(" [--" + ARG_PATH + "=<path_to_manifest_file>]"); | |
943 | ret.append("\n"); | |
944 | } | |
945 | ||
946 | ManifestDumpCommand::ManifestDumpCommand( | |
947 | const std::vector<std::string>& params, | |
948 | const std::map<std::string, std::string>& options, | |
949 | const std::vector<std::string>& flags) | |
950 | : LDBCommand( | |
951 | options, flags, false, | |
952 | BuildCmdLineOptions({ARG_VERBOSE, ARG_PATH, ARG_HEX, ARG_JSON})), | |
953 | verbose_(false), | |
954 | json_(false), | |
955 | path_("") { | |
956 | verbose_ = IsFlagPresent(flags, ARG_VERBOSE); | |
957 | json_ = IsFlagPresent(flags, ARG_JSON); | |
958 | ||
959 | std::map<std::string, std::string>::const_iterator itr = | |
960 | options.find(ARG_PATH); | |
961 | if (itr != options.end()) { | |
962 | path_ = itr->second; | |
963 | if (path_.empty()) { | |
964 | exec_state_ = LDBCommandExecuteResult::Failed("--path: missing pathname"); | |
965 | } | |
966 | } | |
967 | } | |
968 | ||
969 | void ManifestDumpCommand::DoCommand() { | |
970 | ||
971 | std::string manifestfile; | |
972 | ||
973 | if (!path_.empty()) { | |
974 | manifestfile = path_; | |
975 | } else { | |
976 | bool found = false; | |
977 | // We need to find the manifest file by searching the directory | |
978 | // containing the db for files of the form MANIFEST_[0-9]+ | |
979 | ||
980 | auto CloseDir = [](DIR* p) { closedir(p); }; | |
981 | std::unique_ptr<DIR, decltype(CloseDir)> d(opendir(db_path_.c_str()), | |
982 | CloseDir); | |
983 | ||
984 | if (d == nullptr) { | |
985 | exec_state_ = | |
986 | LDBCommandExecuteResult::Failed(db_path_ + " is not a directory"); | |
987 | return; | |
988 | } | |
989 | struct dirent* entry; | |
990 | while ((entry = readdir(d.get())) != nullptr) { | |
991 | unsigned int match; | |
992 | uint64_t num; | |
993 | if (sscanf(entry->d_name, "MANIFEST-%" PRIu64 "%n", &num, &match) && | |
994 | match == strlen(entry->d_name)) { | |
995 | if (!found) { | |
996 | manifestfile = db_path_ + "/" + std::string(entry->d_name); | |
997 | found = true; | |
998 | } else { | |
999 | exec_state_ = LDBCommandExecuteResult::Failed( | |
1000 | "Multiple MANIFEST files found; use --path to select one"); | |
1001 | return; | |
1002 | } | |
1003 | } | |
1004 | } | |
1005 | } | |
1006 | ||
1007 | if (verbose_) { | |
1008 | printf("Processing Manifest file %s\n", manifestfile.c_str()); | |
1009 | } | |
1010 | ||
1011 | DumpManifestFile(manifestfile, verbose_, is_key_hex_, json_); | |
1012 | ||
1013 | if (verbose_) { | |
1014 | printf("Processing Manifest file %s done\n", manifestfile.c_str()); | |
1015 | } | |
1016 | } | |
1017 | ||
1018 | // ---------------------------------------------------------------------------- | |
1019 | ||
1020 | void ListColumnFamiliesCommand::Help(std::string& ret) { | |
1021 | ret.append(" "); | |
1022 | ret.append(ListColumnFamiliesCommand::Name()); | |
1023 | ret.append(" full_path_to_db_directory "); | |
1024 | ret.append("\n"); | |
1025 | } | |
1026 | ||
1027 | ListColumnFamiliesCommand::ListColumnFamiliesCommand( | |
1028 | const std::vector<std::string>& params, | |
1029 | const std::map<std::string, std::string>& options, | |
1030 | const std::vector<std::string>& flags) | |
1031 | : LDBCommand(options, flags, false, {}) { | |
1032 | if (params.size() != 1) { | |
1033 | exec_state_ = LDBCommandExecuteResult::Failed( | |
1034 | "dbname must be specified for the list_column_families command"); | |
1035 | } else { | |
1036 | dbname_ = params[0]; | |
1037 | } | |
1038 | } | |
1039 | ||
1040 | void ListColumnFamiliesCommand::DoCommand() { | |
1041 | std::vector<std::string> column_families; | |
1042 | Status s = DB::ListColumnFamilies(DBOptions(), dbname_, &column_families); | |
1043 | if (!s.ok()) { | |
1044 | printf("Error in processing db %s %s\n", dbname_.c_str(), | |
1045 | s.ToString().c_str()); | |
1046 | } else { | |
1047 | printf("Column families in %s: \n{", dbname_.c_str()); | |
1048 | bool first = true; | |
1049 | for (auto cf : column_families) { | |
1050 | if (!first) { | |
1051 | printf(", "); | |
1052 | } | |
1053 | first = false; | |
1054 | printf("%s", cf.c_str()); | |
1055 | } | |
1056 | printf("}\n"); | |
1057 | } | |
1058 | } | |
1059 | ||
1060 | void CreateColumnFamilyCommand::Help(std::string& ret) { | |
1061 | ret.append(" "); | |
1062 | ret.append(CreateColumnFamilyCommand::Name()); | |
1063 | ret.append(" --db=<db_path> <new_column_family_name>"); | |
1064 | ret.append("\n"); | |
1065 | } | |
1066 | ||
1067 | CreateColumnFamilyCommand::CreateColumnFamilyCommand( | |
1068 | const std::vector<std::string>& params, | |
1069 | const std::map<std::string, std::string>& options, | |
1070 | const std::vector<std::string>& flags) | |
1071 | : LDBCommand(options, flags, true, {ARG_DB}) { | |
1072 | if (params.size() != 1) { | |
1073 | exec_state_ = LDBCommandExecuteResult::Failed( | |
1074 | "new column family name must be specified"); | |
1075 | } else { | |
1076 | new_cf_name_ = params[0]; | |
1077 | } | |
1078 | } | |
1079 | ||
1080 | void CreateColumnFamilyCommand::DoCommand() { | |
1081 | ColumnFamilyHandle* new_cf_handle; | |
1082 | Status st = db_->CreateColumnFamily(options_, new_cf_name_, &new_cf_handle); | |
1083 | if (st.ok()) { | |
1084 | fprintf(stdout, "OK\n"); | |
1085 | } else { | |
1086 | exec_state_ = LDBCommandExecuteResult::Failed( | |
1087 | "Fail to create new column family: " + st.ToString()); | |
1088 | } | |
1089 | delete new_cf_handle; | |
1090 | CloseDB(); | |
1091 | } | |
1092 | ||
1093 | // ---------------------------------------------------------------------------- | |
1094 | ||
1095 | namespace { | |
1096 | ||
1097 | std::string ReadableTime(int unixtime) { | |
1098 | char time_buffer [80]; | |
1099 | time_t rawtime = unixtime; | |
1100 | struct tm tInfo; | |
1101 | struct tm* timeinfo = localtime_r(&rawtime, &tInfo); | |
1102 | assert(timeinfo == &tInfo); | |
1103 | strftime(time_buffer, 80, "%c", timeinfo); | |
1104 | return std::string(time_buffer); | |
1105 | } | |
1106 | ||
1107 | // This function only called when it's the sane case of >1 buckets in time-range | |
1108 | // Also called only when timekv falls between ttl_start and ttl_end provided | |
1109 | void IncBucketCounts(std::vector<uint64_t>& bucket_counts, int ttl_start, | |
1110 | int time_range, int bucket_size, int timekv, | |
1111 | int num_buckets) { | |
1112 | assert(time_range > 0 && timekv >= ttl_start && bucket_size > 0 && | |
1113 | timekv < (ttl_start + time_range) && num_buckets > 1); | |
1114 | int bucket = (timekv - ttl_start) / bucket_size; | |
1115 | bucket_counts[bucket]++; | |
1116 | } | |
1117 | ||
1118 | void PrintBucketCounts(const std::vector<uint64_t>& bucket_counts, | |
1119 | int ttl_start, int ttl_end, int bucket_size, | |
1120 | int num_buckets) { | |
1121 | int time_point = ttl_start; | |
1122 | for(int i = 0; i < num_buckets - 1; i++, time_point += bucket_size) { | |
1123 | fprintf(stdout, "Keys in range %s to %s : %lu\n", | |
1124 | ReadableTime(time_point).c_str(), | |
1125 | ReadableTime(time_point + bucket_size).c_str(), | |
1126 | (unsigned long)bucket_counts[i]); | |
1127 | } | |
1128 | fprintf(stdout, "Keys in range %s to %s : %lu\n", | |
1129 | ReadableTime(time_point).c_str(), | |
1130 | ReadableTime(ttl_end).c_str(), | |
1131 | (unsigned long)bucket_counts[num_buckets - 1]); | |
1132 | } | |
1133 | ||
1134 | } // namespace | |
1135 | ||
1136 | const std::string InternalDumpCommand::ARG_COUNT_ONLY = "count_only"; | |
1137 | const std::string InternalDumpCommand::ARG_COUNT_DELIM = "count_delim"; | |
1138 | const std::string InternalDumpCommand::ARG_STATS = "stats"; | |
1139 | const std::string InternalDumpCommand::ARG_INPUT_KEY_HEX = "input_key_hex"; | |
1140 | ||
1141 | InternalDumpCommand::InternalDumpCommand( | |
1142 | const std::vector<std::string>& params, | |
1143 | const std::map<std::string, std::string>& options, | |
1144 | const std::vector<std::string>& flags) | |
1145 | : LDBCommand( | |
1146 | options, flags, true, | |
1147 | BuildCmdLineOptions({ARG_HEX, ARG_KEY_HEX, ARG_VALUE_HEX, ARG_FROM, | |
1148 | ARG_TO, ARG_MAX_KEYS, ARG_COUNT_ONLY, | |
1149 | ARG_COUNT_DELIM, ARG_STATS, ARG_INPUT_KEY_HEX})), | |
1150 | has_from_(false), | |
1151 | has_to_(false), | |
1152 | max_keys_(-1), | |
1153 | delim_("."), | |
1154 | count_only_(false), | |
1155 | count_delim_(false), | |
1156 | print_stats_(false), | |
1157 | is_input_key_hex_(false) { | |
1158 | has_from_ = ParseStringOption(options, ARG_FROM, &from_); | |
1159 | has_to_ = ParseStringOption(options, ARG_TO, &to_); | |
1160 | ||
1161 | ParseIntOption(options, ARG_MAX_KEYS, max_keys_, exec_state_); | |
1162 | std::map<std::string, std::string>::const_iterator itr = | |
1163 | options.find(ARG_COUNT_DELIM); | |
1164 | if (itr != options.end()) { | |
1165 | delim_ = itr->second; | |
1166 | count_delim_ = true; | |
1167 | // fprintf(stdout,"delim = %c\n",delim_[0]); | |
1168 | } else { | |
1169 | count_delim_ = IsFlagPresent(flags, ARG_COUNT_DELIM); | |
1170 | delim_="."; | |
1171 | } | |
1172 | ||
1173 | print_stats_ = IsFlagPresent(flags, ARG_STATS); | |
1174 | count_only_ = IsFlagPresent(flags, ARG_COUNT_ONLY); | |
1175 | is_input_key_hex_ = IsFlagPresent(flags, ARG_INPUT_KEY_HEX); | |
1176 | ||
1177 | if (is_input_key_hex_) { | |
1178 | if (has_from_) { | |
1179 | from_ = HexToString(from_); | |
1180 | } | |
1181 | if (has_to_) { | |
1182 | to_ = HexToString(to_); | |
1183 | } | |
1184 | } | |
1185 | } | |
1186 | ||
1187 | void InternalDumpCommand::Help(std::string& ret) { | |
1188 | ret.append(" "); | |
1189 | ret.append(InternalDumpCommand::Name()); | |
1190 | ret.append(HelpRangeCmdArgs()); | |
1191 | ret.append(" [--" + ARG_INPUT_KEY_HEX + "]"); | |
1192 | ret.append(" [--" + ARG_MAX_KEYS + "=<N>]"); | |
1193 | ret.append(" [--" + ARG_COUNT_ONLY + "]"); | |
1194 | ret.append(" [--" + ARG_COUNT_DELIM + "=<char>]"); | |
1195 | ret.append(" [--" + ARG_STATS + "]"); | |
1196 | ret.append("\n"); | |
1197 | } | |
1198 | ||
1199 | void InternalDumpCommand::DoCommand() { | |
1200 | if (!db_) { | |
1201 | assert(GetExecuteState().IsFailed()); | |
1202 | return; | |
1203 | } | |
1204 | ||
1205 | if (print_stats_) { | |
1206 | std::string stats; | |
1207 | if (db_->GetProperty(GetCfHandle(), "rocksdb.stats", &stats)) { | |
1208 | fprintf(stdout, "%s\n", stats.c_str()); | |
1209 | } | |
1210 | } | |
1211 | ||
1212 | // Cast as DBImpl to get internal iterator | |
1213 | DBImpl* idb = dynamic_cast<DBImpl*>(db_); | |
1214 | if (!idb) { | |
1215 | exec_state_ = LDBCommandExecuteResult::Failed("DB is not DBImpl"); | |
1216 | return; | |
1217 | } | |
1218 | std::string rtype1, rtype2, row, val; | |
1219 | rtype2 = ""; | |
1220 | uint64_t c=0; | |
1221 | uint64_t s1=0,s2=0; | |
1222 | // Setup internal key iterator | |
1223 | Arena arena; | |
1224 | auto icmp = InternalKeyComparator(options_.comparator); | |
1225 | RangeDelAggregator range_del_agg(icmp, {} /* snapshots */); | |
1226 | ScopedArenaIterator iter(idb->NewInternalIterator(&arena, &range_del_agg)); | |
1227 | Status st = iter->status(); | |
1228 | if (!st.ok()) { | |
1229 | exec_state_ = | |
1230 | LDBCommandExecuteResult::Failed("Iterator error:" + st.ToString()); | |
1231 | } | |
1232 | ||
1233 | if (has_from_) { | |
1234 | InternalKey ikey; | |
1235 | ikey.SetMaxPossibleForUserKey(from_); | |
1236 | iter->Seek(ikey.Encode()); | |
1237 | } else { | |
1238 | iter->SeekToFirst(); | |
1239 | } | |
1240 | ||
1241 | long long count = 0; | |
1242 | for (; iter->Valid(); iter->Next()) { | |
1243 | ParsedInternalKey ikey; | |
1244 | if (!ParseInternalKey(iter->key(), &ikey)) { | |
1245 | fprintf(stderr, "Internal Key [%s] parse error!\n", | |
1246 | iter->key().ToString(true /* in hex*/).data()); | |
1247 | // TODO: add error counter | |
1248 | continue; | |
1249 | } | |
1250 | ||
1251 | // If end marker was specified, we stop before it | |
1252 | if (has_to_ && options_.comparator->Compare(ikey.user_key, to_) >= 0) { | |
1253 | break; | |
1254 | } | |
1255 | ||
1256 | ++count; | |
1257 | int k; | |
1258 | if (count_delim_) { | |
1259 | rtype1 = ""; | |
1260 | s1=0; | |
1261 | row = iter->key().ToString(); | |
1262 | val = iter->value().ToString(); | |
1263 | for(k=0;row[k]!='\x01' && row[k]!='\0';k++) | |
1264 | s1++; | |
1265 | for(k=0;val[k]!='\x01' && val[k]!='\0';k++) | |
1266 | s1++; | |
1267 | for(int j=0;row[j]!=delim_[0] && row[j]!='\0' && row[j]!='\x01';j++) | |
1268 | rtype1+=row[j]; | |
1269 | if(rtype2.compare("") && rtype2.compare(rtype1)!=0) { | |
1270 | fprintf(stdout,"%s => count:%lld\tsize:%lld\n",rtype2.c_str(), | |
1271 | (long long)c,(long long)s2); | |
1272 | c=1; | |
1273 | s2=s1; | |
1274 | rtype2 = rtype1; | |
1275 | } else { | |
1276 | c++; | |
1277 | s2+=s1; | |
1278 | rtype2=rtype1; | |
1279 | } | |
1280 | } | |
1281 | ||
1282 | if (!count_only_ && !count_delim_) { | |
1283 | std::string key = ikey.DebugString(is_key_hex_); | |
1284 | std::string value = iter->value().ToString(is_value_hex_); | |
1285 | std::cout << key << " => " << value << "\n"; | |
1286 | } | |
1287 | ||
1288 | // Terminate if maximum number of keys have been dumped | |
1289 | if (max_keys_ > 0 && count >= max_keys_) break; | |
1290 | } | |
1291 | if(count_delim_) { | |
1292 | fprintf(stdout,"%s => count:%lld\tsize:%lld\n", rtype2.c_str(), | |
1293 | (long long)c,(long long)s2); | |
1294 | } else | |
1295 | fprintf(stdout, "Internal keys in range: %lld\n", (long long) count); | |
1296 | } | |
1297 | ||
1298 | const std::string DBDumperCommand::ARG_COUNT_ONLY = "count_only"; | |
1299 | const std::string DBDumperCommand::ARG_COUNT_DELIM = "count_delim"; | |
1300 | const std::string DBDumperCommand::ARG_STATS = "stats"; | |
1301 | const std::string DBDumperCommand::ARG_TTL_BUCKET = "bucket"; | |
1302 | ||
1303 | DBDumperCommand::DBDumperCommand( | |
1304 | const std::vector<std::string>& params, | |
1305 | const std::map<std::string, std::string>& options, | |
1306 | const std::vector<std::string>& flags) | |
1307 | : LDBCommand(options, flags, true, | |
1308 | BuildCmdLineOptions( | |
1309 | {ARG_TTL, ARG_HEX, ARG_KEY_HEX, ARG_VALUE_HEX, ARG_FROM, | |
1310 | ARG_TO, ARG_MAX_KEYS, ARG_COUNT_ONLY, ARG_COUNT_DELIM, | |
1311 | ARG_STATS, ARG_TTL_START, ARG_TTL_END, ARG_TTL_BUCKET, | |
1312 | ARG_TIMESTAMP, ARG_PATH})), | |
1313 | null_from_(true), | |
1314 | null_to_(true), | |
1315 | max_keys_(-1), | |
1316 | count_only_(false), | |
1317 | count_delim_(false), | |
1318 | print_stats_(false) { | |
1319 | std::map<std::string, std::string>::const_iterator itr = | |
1320 | options.find(ARG_FROM); | |
1321 | if (itr != options.end()) { | |
1322 | null_from_ = false; | |
1323 | from_ = itr->second; | |
1324 | } | |
1325 | ||
1326 | itr = options.find(ARG_TO); | |
1327 | if (itr != options.end()) { | |
1328 | null_to_ = false; | |
1329 | to_ = itr->second; | |
1330 | } | |
1331 | ||
1332 | itr = options.find(ARG_MAX_KEYS); | |
1333 | if (itr != options.end()) { | |
1334 | try { | |
1335 | #if defined(CYGWIN) | |
1336 | max_keys_ = strtol(itr->second.c_str(), 0, 10); | |
1337 | #else | |
1338 | max_keys_ = std::stoi(itr->second); | |
1339 | #endif | |
1340 | } catch (const std::invalid_argument&) { | |
1341 | exec_state_ = LDBCommandExecuteResult::Failed(ARG_MAX_KEYS + | |
1342 | " has an invalid value"); | |
1343 | } catch (const std::out_of_range&) { | |
1344 | exec_state_ = LDBCommandExecuteResult::Failed( | |
1345 | ARG_MAX_KEYS + " has a value out-of-range"); | |
1346 | } | |
1347 | } | |
1348 | itr = options.find(ARG_COUNT_DELIM); | |
1349 | if (itr != options.end()) { | |
1350 | delim_ = itr->second; | |
1351 | count_delim_ = true; | |
1352 | } else { | |
1353 | count_delim_ = IsFlagPresent(flags, ARG_COUNT_DELIM); | |
1354 | delim_="."; | |
1355 | } | |
1356 | ||
1357 | print_stats_ = IsFlagPresent(flags, ARG_STATS); | |
1358 | count_only_ = IsFlagPresent(flags, ARG_COUNT_ONLY); | |
1359 | ||
1360 | if (is_key_hex_) { | |
1361 | if (!null_from_) { | |
1362 | from_ = HexToString(from_); | |
1363 | } | |
1364 | if (!null_to_) { | |
1365 | to_ = HexToString(to_); | |
1366 | } | |
1367 | } | |
1368 | ||
1369 | itr = options.find(ARG_PATH); | |
1370 | if (itr != options.end()) { | |
1371 | path_ = itr->second; | |
1372 | } | |
1373 | } | |
1374 | ||
1375 | void DBDumperCommand::Help(std::string& ret) { | |
1376 | ret.append(" "); | |
1377 | ret.append(DBDumperCommand::Name()); | |
1378 | ret.append(HelpRangeCmdArgs()); | |
1379 | ret.append(" [--" + ARG_TTL + "]"); | |
1380 | ret.append(" [--" + ARG_MAX_KEYS + "=<N>]"); | |
1381 | ret.append(" [--" + ARG_TIMESTAMP + "]"); | |
1382 | ret.append(" [--" + ARG_COUNT_ONLY + "]"); | |
1383 | ret.append(" [--" + ARG_COUNT_DELIM + "=<char>]"); | |
1384 | ret.append(" [--" + ARG_STATS + "]"); | |
1385 | ret.append(" [--" + ARG_TTL_BUCKET + "=<N>]"); | |
1386 | ret.append(" [--" + ARG_TTL_START + "=<N>:- is inclusive]"); | |
1387 | ret.append(" [--" + ARG_TTL_END + "=<N>:- is exclusive]"); | |
1388 | ret.append(" [--" + ARG_PATH + "=<path_to_a_file>]"); | |
1389 | ret.append("\n"); | |
1390 | } | |
1391 | ||
1392 | /** | |
1393 | * Handles two separate cases: | |
1394 | * | |
1395 | * 1) --db is specified - just dump the database. | |
1396 | * | |
1397 | * 2) --path is specified - determine based on file extension what dumping | |
1398 | * function to call. Please note that we intentionally use the extension | |
1399 | * and avoid probing the file contents under the assumption that renaming | |
1400 | * the files is not a supported scenario. | |
1401 | * | |
1402 | */ | |
1403 | void DBDumperCommand::DoCommand() { | |
1404 | if (!db_) { | |
1405 | assert(!path_.empty()); | |
1406 | std::string fileName = GetFileNameFromPath(path_); | |
1407 | uint64_t number; | |
1408 | FileType type; | |
1409 | ||
1410 | exec_state_ = LDBCommandExecuteResult::Succeed(""); | |
1411 | ||
1412 | if (!ParseFileName(fileName, &number, &type)) { | |
1413 | exec_state_ = | |
1414 | LDBCommandExecuteResult::Failed("Can't parse file type: " + path_); | |
1415 | return; | |
1416 | } | |
1417 | ||
1418 | switch (type) { | |
1419 | case kLogFile: | |
1420 | DumpWalFile(path_, /* print_header_ */ true, /* print_values_ */ true, | |
1421 | &exec_state_); | |
1422 | break; | |
1423 | case kTableFile: | |
1424 | DumpSstFile(path_, is_key_hex_, /* show_properties */ true); | |
1425 | break; | |
1426 | case kDescriptorFile: | |
1427 | DumpManifestFile(path_, /* verbose_ */ false, is_key_hex_, | |
1428 | /* json_ */ false); | |
1429 | break; | |
1430 | default: | |
1431 | exec_state_ = LDBCommandExecuteResult::Failed( | |
1432 | "File type not supported: " + path_); | |
1433 | break; | |
1434 | } | |
1435 | ||
1436 | } else { | |
1437 | DoDumpCommand(); | |
1438 | } | |
1439 | } | |
1440 | ||
1441 | void DBDumperCommand::DoDumpCommand() { | |
1442 | assert(nullptr != db_); | |
1443 | assert(path_.empty()); | |
1444 | ||
1445 | // Parse command line args | |
1446 | uint64_t count = 0; | |
1447 | if (print_stats_) { | |
1448 | std::string stats; | |
1449 | if (db_->GetProperty("rocksdb.stats", &stats)) { | |
1450 | fprintf(stdout, "%s\n", stats.c_str()); | |
1451 | } | |
1452 | } | |
1453 | ||
1454 | // Setup key iterator | |
1455 | Iterator* iter = db_->NewIterator(ReadOptions(), GetCfHandle()); | |
1456 | Status st = iter->status(); | |
1457 | if (!st.ok()) { | |
1458 | exec_state_ = | |
1459 | LDBCommandExecuteResult::Failed("Iterator error." + st.ToString()); | |
1460 | } | |
1461 | ||
1462 | if (!null_from_) { | |
1463 | iter->Seek(from_); | |
1464 | } else { | |
1465 | iter->SeekToFirst(); | |
1466 | } | |
1467 | ||
1468 | int max_keys = max_keys_; | |
1469 | int ttl_start; | |
1470 | if (!ParseIntOption(option_map_, ARG_TTL_START, ttl_start, exec_state_)) { | |
1471 | ttl_start = DBWithTTLImpl::kMinTimestamp; // TTL introduction time | |
1472 | } | |
1473 | int ttl_end; | |
1474 | if (!ParseIntOption(option_map_, ARG_TTL_END, ttl_end, exec_state_)) { | |
1475 | ttl_end = DBWithTTLImpl::kMaxTimestamp; // Max time allowed by TTL feature | |
1476 | } | |
1477 | if (ttl_end < ttl_start) { | |
1478 | fprintf(stderr, "Error: End time can't be less than start time\n"); | |
1479 | delete iter; | |
1480 | return; | |
1481 | } | |
1482 | int time_range = ttl_end - ttl_start; | |
1483 | int bucket_size; | |
1484 | if (!ParseIntOption(option_map_, ARG_TTL_BUCKET, bucket_size, exec_state_) || | |
1485 | bucket_size <= 0) { | |
1486 | bucket_size = time_range; // Will have just 1 bucket by default | |
1487 | } | |
1488 | //cretaing variables for row count of each type | |
1489 | std::string rtype1, rtype2, row, val; | |
1490 | rtype2 = ""; | |
1491 | uint64_t c=0; | |
1492 | uint64_t s1=0,s2=0; | |
1493 | ||
1494 | // At this point, bucket_size=0 => time_range=0 | |
1495 | int num_buckets = (bucket_size >= time_range) | |
1496 | ? 1 | |
1497 | : ((time_range + bucket_size - 1) / bucket_size); | |
1498 | std::vector<uint64_t> bucket_counts(num_buckets, 0); | |
1499 | if (is_db_ttl_ && !count_only_ && timestamp_ && !count_delim_) { | |
1500 | fprintf(stdout, "Dumping key-values from %s to %s\n", | |
1501 | ReadableTime(ttl_start).c_str(), ReadableTime(ttl_end).c_str()); | |
1502 | } | |
1503 | ||
1504 | for (; iter->Valid(); iter->Next()) { | |
1505 | int rawtime = 0; | |
1506 | // If end marker was specified, we stop before it | |
1507 | if (!null_to_ && (iter->key().ToString() >= to_)) | |
1508 | break; | |
1509 | // Terminate if maximum number of keys have been dumped | |
1510 | if (max_keys == 0) | |
1511 | break; | |
1512 | if (is_db_ttl_) { | |
1513 | TtlIterator* it_ttl = dynamic_cast<TtlIterator*>(iter); | |
1514 | assert(it_ttl); | |
1515 | rawtime = it_ttl->timestamp(); | |
1516 | if (rawtime < ttl_start || rawtime >= ttl_end) { | |
1517 | continue; | |
1518 | } | |
1519 | } | |
1520 | if (max_keys > 0) { | |
1521 | --max_keys; | |
1522 | } | |
1523 | if (is_db_ttl_ && num_buckets > 1) { | |
1524 | IncBucketCounts(bucket_counts, ttl_start, time_range, bucket_size, | |
1525 | rawtime, num_buckets); | |
1526 | } | |
1527 | ++count; | |
1528 | if (count_delim_) { | |
1529 | rtype1 = ""; | |
1530 | row = iter->key().ToString(); | |
1531 | val = iter->value().ToString(); | |
1532 | s1 = row.size()+val.size(); | |
1533 | for(int j=0;row[j]!=delim_[0] && row[j]!='\0';j++) | |
1534 | rtype1+=row[j]; | |
1535 | if(rtype2.compare("") && rtype2.compare(rtype1)!=0) { | |
1536 | fprintf(stdout,"%s => count:%lld\tsize:%lld\n",rtype2.c_str(), | |
1537 | (long long )c,(long long)s2); | |
1538 | c=1; | |
1539 | s2=s1; | |
1540 | rtype2 = rtype1; | |
1541 | } else { | |
1542 | c++; | |
1543 | s2+=s1; | |
1544 | rtype2=rtype1; | |
1545 | } | |
1546 | ||
1547 | } | |
1548 | ||
1549 | ||
1550 | ||
1551 | if (!count_only_ && !count_delim_) { | |
1552 | if (is_db_ttl_ && timestamp_) { | |
1553 | fprintf(stdout, "%s ", ReadableTime(rawtime).c_str()); | |
1554 | } | |
1555 | std::string str = | |
1556 | PrintKeyValue(iter->key().ToString(), iter->value().ToString(), | |
1557 | is_key_hex_, is_value_hex_); | |
1558 | fprintf(stdout, "%s\n", str.c_str()); | |
1559 | } | |
1560 | } | |
1561 | ||
1562 | if (num_buckets > 1 && is_db_ttl_) { | |
1563 | PrintBucketCounts(bucket_counts, ttl_start, ttl_end, bucket_size, | |
1564 | num_buckets); | |
1565 | } else if(count_delim_) { | |
1566 | fprintf(stdout,"%s => count:%lld\tsize:%lld\n",rtype2.c_str(), | |
1567 | (long long )c,(long long)s2); | |
1568 | } else { | |
1569 | fprintf(stdout, "Keys in range: %lld\n", (long long) count); | |
1570 | } | |
1571 | // Clean up | |
1572 | delete iter; | |
1573 | } | |
1574 | ||
1575 | const std::string ReduceDBLevelsCommand::ARG_NEW_LEVELS = "new_levels"; | |
1576 | const std::string ReduceDBLevelsCommand::ARG_PRINT_OLD_LEVELS = | |
1577 | "print_old_levels"; | |
1578 | ||
1579 | ReduceDBLevelsCommand::ReduceDBLevelsCommand( | |
1580 | const std::vector<std::string>& params, | |
1581 | const std::map<std::string, std::string>& options, | |
1582 | const std::vector<std::string>& flags) | |
1583 | : LDBCommand(options, flags, false, | |
1584 | BuildCmdLineOptions({ARG_NEW_LEVELS, ARG_PRINT_OLD_LEVELS})), | |
1585 | old_levels_(1 << 7), | |
1586 | new_levels_(-1), | |
1587 | print_old_levels_(false) { | |
1588 | ParseIntOption(option_map_, ARG_NEW_LEVELS, new_levels_, exec_state_); | |
1589 | print_old_levels_ = IsFlagPresent(flags, ARG_PRINT_OLD_LEVELS); | |
1590 | ||
1591 | if(new_levels_ <= 0) { | |
1592 | exec_state_ = LDBCommandExecuteResult::Failed( | |
1593 | " Use --" + ARG_NEW_LEVELS + " to specify a new level number\n"); | |
1594 | } | |
1595 | } | |
1596 | ||
1597 | std::vector<std::string> ReduceDBLevelsCommand::PrepareArgs( | |
1598 | const std::string& db_path, int new_levels, bool print_old_level) { | |
1599 | std::vector<std::string> ret; | |
1600 | ret.push_back("reduce_levels"); | |
1601 | ret.push_back("--" + ARG_DB + "=" + db_path); | |
1602 | ret.push_back("--" + ARG_NEW_LEVELS + "=" + rocksdb::ToString(new_levels)); | |
1603 | if(print_old_level) { | |
1604 | ret.push_back("--" + ARG_PRINT_OLD_LEVELS); | |
1605 | } | |
1606 | return ret; | |
1607 | } | |
1608 | ||
1609 | void ReduceDBLevelsCommand::Help(std::string& ret) { | |
1610 | ret.append(" "); | |
1611 | ret.append(ReduceDBLevelsCommand::Name()); | |
1612 | ret.append(" --" + ARG_NEW_LEVELS + "=<New number of levels>"); | |
1613 | ret.append(" [--" + ARG_PRINT_OLD_LEVELS + "]"); | |
1614 | ret.append("\n"); | |
1615 | } | |
1616 | ||
1617 | Options ReduceDBLevelsCommand::PrepareOptionsForOpenDB() { | |
1618 | Options opt = LDBCommand::PrepareOptionsForOpenDB(); | |
1619 | opt.num_levels = old_levels_; | |
1620 | opt.max_bytes_for_level_multiplier_additional.resize(opt.num_levels, 1); | |
1621 | // Disable size compaction | |
1622 | opt.max_bytes_for_level_base = 1ULL << 50; | |
1623 | opt.max_bytes_for_level_multiplier = 1; | |
1624 | return opt; | |
1625 | } | |
1626 | ||
1627 | Status ReduceDBLevelsCommand::GetOldNumOfLevels(Options& opt, | |
1628 | int* levels) { | |
1629 | ImmutableDBOptions db_options(opt); | |
1630 | EnvOptions soptions; | |
1631 | std::shared_ptr<Cache> tc( | |
1632 | NewLRUCache(opt.max_open_files - 10, opt.table_cache_numshardbits)); | |
1633 | const InternalKeyComparator cmp(opt.comparator); | |
1634 | WriteController wc(opt.delayed_write_rate); | |
1635 | WriteBufferManager wb(opt.db_write_buffer_size); | |
1636 | VersionSet versions(db_path_, &db_options, soptions, tc.get(), &wb, &wc); | |
1637 | std::vector<ColumnFamilyDescriptor> dummy; | |
1638 | ColumnFamilyDescriptor dummy_descriptor(kDefaultColumnFamilyName, | |
1639 | ColumnFamilyOptions(opt)); | |
1640 | dummy.push_back(dummy_descriptor); | |
1641 | // We rely the VersionSet::Recover to tell us the internal data structures | |
1642 | // in the db. And the Recover() should never do any change | |
1643 | // (like LogAndApply) to the manifest file. | |
1644 | Status st = versions.Recover(dummy); | |
1645 | if (!st.ok()) { | |
1646 | return st; | |
1647 | } | |
1648 | int max = -1; | |
1649 | auto default_cfd = versions.GetColumnFamilySet()->GetDefault(); | |
1650 | for (int i = 0; i < default_cfd->NumberLevels(); i++) { | |
1651 | if (default_cfd->current()->storage_info()->NumLevelFiles(i)) { | |
1652 | max = i; | |
1653 | } | |
1654 | } | |
1655 | ||
1656 | *levels = max + 1; | |
1657 | return st; | |
1658 | } | |
1659 | ||
1660 | void ReduceDBLevelsCommand::DoCommand() { | |
1661 | if (new_levels_ <= 1) { | |
1662 | exec_state_ = | |
1663 | LDBCommandExecuteResult::Failed("Invalid number of levels.\n"); | |
1664 | return; | |
1665 | } | |
1666 | ||
1667 | Status st; | |
1668 | Options opt = PrepareOptionsForOpenDB(); | |
1669 | int old_level_num = -1; | |
1670 | st = GetOldNumOfLevels(opt, &old_level_num); | |
1671 | if (!st.ok()) { | |
1672 | exec_state_ = LDBCommandExecuteResult::Failed(st.ToString()); | |
1673 | return; | |
1674 | } | |
1675 | ||
1676 | if (print_old_levels_) { | |
1677 | fprintf(stdout, "The old number of levels in use is %d\n", old_level_num); | |
1678 | } | |
1679 | ||
1680 | if (old_level_num <= new_levels_) { | |
1681 | return; | |
1682 | } | |
1683 | ||
1684 | old_levels_ = old_level_num; | |
1685 | ||
1686 | OpenDB(); | |
1687 | if (exec_state_.IsFailed()) { | |
1688 | return; | |
1689 | } | |
1690 | // Compact the whole DB to put all files to the highest level. | |
1691 | fprintf(stdout, "Compacting the db...\n"); | |
1692 | db_->CompactRange(CompactRangeOptions(), GetCfHandle(), nullptr, nullptr); | |
1693 | CloseDB(); | |
1694 | ||
1695 | EnvOptions soptions; | |
1696 | st = VersionSet::ReduceNumberOfLevels(db_path_, &opt, soptions, new_levels_); | |
1697 | if (!st.ok()) { | |
1698 | exec_state_ = LDBCommandExecuteResult::Failed(st.ToString()); | |
1699 | return; | |
1700 | } | |
1701 | } | |
1702 | ||
1703 | const std::string ChangeCompactionStyleCommand::ARG_OLD_COMPACTION_STYLE = | |
1704 | "old_compaction_style"; | |
1705 | const std::string ChangeCompactionStyleCommand::ARG_NEW_COMPACTION_STYLE = | |
1706 | "new_compaction_style"; | |
1707 | ||
1708 | ChangeCompactionStyleCommand::ChangeCompactionStyleCommand( | |
1709 | const std::vector<std::string>& params, | |
1710 | const std::map<std::string, std::string>& options, | |
1711 | const std::vector<std::string>& flags) | |
1712 | : LDBCommand(options, flags, false, | |
1713 | BuildCmdLineOptions( | |
1714 | {ARG_OLD_COMPACTION_STYLE, ARG_NEW_COMPACTION_STYLE})), | |
1715 | old_compaction_style_(-1), | |
1716 | new_compaction_style_(-1) { | |
1717 | ParseIntOption(option_map_, ARG_OLD_COMPACTION_STYLE, old_compaction_style_, | |
1718 | exec_state_); | |
1719 | if (old_compaction_style_ != kCompactionStyleLevel && | |
1720 | old_compaction_style_ != kCompactionStyleUniversal) { | |
1721 | exec_state_ = LDBCommandExecuteResult::Failed( | |
1722 | "Use --" + ARG_OLD_COMPACTION_STYLE + " to specify old compaction " + | |
1723 | "style. Check ldb help for proper compaction style value.\n"); | |
1724 | return; | |
1725 | } | |
1726 | ||
1727 | ParseIntOption(option_map_, ARG_NEW_COMPACTION_STYLE, new_compaction_style_, | |
1728 | exec_state_); | |
1729 | if (new_compaction_style_ != kCompactionStyleLevel && | |
1730 | new_compaction_style_ != kCompactionStyleUniversal) { | |
1731 | exec_state_ = LDBCommandExecuteResult::Failed( | |
1732 | "Use --" + ARG_NEW_COMPACTION_STYLE + " to specify new compaction " + | |
1733 | "style. Check ldb help for proper compaction style value.\n"); | |
1734 | return; | |
1735 | } | |
1736 | ||
1737 | if (new_compaction_style_ == old_compaction_style_) { | |
1738 | exec_state_ = LDBCommandExecuteResult::Failed( | |
1739 | "Old compaction style is the same as new compaction style. " | |
1740 | "Nothing to do.\n"); | |
1741 | return; | |
1742 | } | |
1743 | ||
1744 | if (old_compaction_style_ == kCompactionStyleUniversal && | |
1745 | new_compaction_style_ == kCompactionStyleLevel) { | |
1746 | exec_state_ = LDBCommandExecuteResult::Failed( | |
1747 | "Convert from universal compaction to level compaction. " | |
1748 | "Nothing to do.\n"); | |
1749 | return; | |
1750 | } | |
1751 | } | |
1752 | ||
1753 | void ChangeCompactionStyleCommand::Help(std::string& ret) { | |
1754 | ret.append(" "); | |
1755 | ret.append(ChangeCompactionStyleCommand::Name()); | |
1756 | ret.append(" --" + ARG_OLD_COMPACTION_STYLE + "=<Old compaction style: 0 " + | |
1757 | "for level compaction, 1 for universal compaction>"); | |
1758 | ret.append(" --" + ARG_NEW_COMPACTION_STYLE + "=<New compaction style: 0 " + | |
1759 | "for level compaction, 1 for universal compaction>"); | |
1760 | ret.append("\n"); | |
1761 | } | |
1762 | ||
1763 | Options ChangeCompactionStyleCommand::PrepareOptionsForOpenDB() { | |
1764 | Options opt = LDBCommand::PrepareOptionsForOpenDB(); | |
1765 | ||
1766 | if (old_compaction_style_ == kCompactionStyleLevel && | |
1767 | new_compaction_style_ == kCompactionStyleUniversal) { | |
1768 | // In order to convert from level compaction to universal compaction, we | |
1769 | // need to compact all data into a single file and move it to level 0. | |
1770 | opt.disable_auto_compactions = true; | |
1771 | opt.target_file_size_base = INT_MAX; | |
1772 | opt.target_file_size_multiplier = 1; | |
1773 | opt.max_bytes_for_level_base = INT_MAX; | |
1774 | opt.max_bytes_for_level_multiplier = 1; | |
1775 | } | |
1776 | ||
1777 | return opt; | |
1778 | } | |
1779 | ||
1780 | void ChangeCompactionStyleCommand::DoCommand() { | |
1781 | // print db stats before we have made any change | |
1782 | std::string property; | |
1783 | std::string files_per_level; | |
1784 | for (int i = 0; i < db_->NumberLevels(GetCfHandle()); i++) { | |
1785 | db_->GetProperty(GetCfHandle(), | |
1786 | "rocksdb.num-files-at-level" + NumberToString(i), | |
1787 | &property); | |
1788 | ||
1789 | // format print string | |
1790 | char buf[100]; | |
1791 | snprintf(buf, sizeof(buf), "%s%s", (i ? "," : ""), property.c_str()); | |
1792 | files_per_level += buf; | |
1793 | } | |
1794 | fprintf(stdout, "files per level before compaction: %s\n", | |
1795 | files_per_level.c_str()); | |
1796 | ||
1797 | // manual compact into a single file and move the file to level 0 | |
1798 | CompactRangeOptions compact_options; | |
1799 | compact_options.change_level = true; | |
1800 | compact_options.target_level = 0; | |
1801 | db_->CompactRange(compact_options, GetCfHandle(), nullptr, nullptr); | |
1802 | ||
1803 | // verify compaction result | |
1804 | files_per_level = ""; | |
1805 | int num_files = 0; | |
1806 | for (int i = 0; i < db_->NumberLevels(GetCfHandle()); i++) { | |
1807 | db_->GetProperty(GetCfHandle(), | |
1808 | "rocksdb.num-files-at-level" + NumberToString(i), | |
1809 | &property); | |
1810 | ||
1811 | // format print string | |
1812 | char buf[100]; | |
1813 | snprintf(buf, sizeof(buf), "%s%s", (i ? "," : ""), property.c_str()); | |
1814 | files_per_level += buf; | |
1815 | ||
1816 | num_files = atoi(property.c_str()); | |
1817 | ||
1818 | // level 0 should have only 1 file | |
1819 | if (i == 0 && num_files != 1) { | |
1820 | exec_state_ = LDBCommandExecuteResult::Failed( | |
1821 | "Number of db files at " | |
1822 | "level 0 after compaction is " + | |
1823 | ToString(num_files) + ", not 1.\n"); | |
1824 | return; | |
1825 | } | |
1826 | // other levels should have no file | |
1827 | if (i > 0 && num_files != 0) { | |
1828 | exec_state_ = LDBCommandExecuteResult::Failed( | |
1829 | "Number of db files at " | |
1830 | "level " + | |
1831 | ToString(i) + " after compaction is " + ToString(num_files) + | |
1832 | ", not 0.\n"); | |
1833 | return; | |
1834 | } | |
1835 | } | |
1836 | ||
1837 | fprintf(stdout, "files per level after compaction: %s\n", | |
1838 | files_per_level.c_str()); | |
1839 | } | |
1840 | ||
1841 | // ---------------------------------------------------------------------------- | |
1842 | ||
1843 | namespace { | |
1844 | ||
1845 | struct StdErrReporter : public log::Reader::Reporter { | |
1846 | virtual void Corruption(size_t bytes, const Status& s) override { | |
1847 | std::cerr << "Corruption detected in log file " << s.ToString() << "\n"; | |
1848 | } | |
1849 | }; | |
1850 | ||
1851 | class InMemoryHandler : public WriteBatch::Handler { | |
1852 | public: | |
1853 | InMemoryHandler(std::stringstream& row, bool print_values) | |
1854 | : Handler(), row_(row) { | |
1855 | print_values_ = print_values; | |
1856 | } | |
1857 | ||
1858 | void commonPutMerge(const Slice& key, const Slice& value) { | |
1859 | std::string k = LDBCommand::StringToHex(key.ToString()); | |
1860 | if (print_values_) { | |
1861 | std::string v = LDBCommand::StringToHex(value.ToString()); | |
1862 | row_ << k << " : "; | |
1863 | row_ << v << " "; | |
1864 | } else { | |
1865 | row_ << k << " "; | |
1866 | } | |
1867 | } | |
1868 | ||
1869 | virtual Status PutCF(uint32_t cf, const Slice& key, | |
1870 | const Slice& value) override { | |
1871 | row_ << "PUT(" << cf << ") : "; | |
1872 | commonPutMerge(key, value); | |
1873 | return Status::OK(); | |
1874 | } | |
1875 | ||
1876 | virtual Status MergeCF(uint32_t cf, const Slice& key, | |
1877 | const Slice& value) override { | |
1878 | row_ << "MERGE(" << cf << ") : "; | |
1879 | commonPutMerge(key, value); | |
1880 | return Status::OK(); | |
1881 | } | |
1882 | ||
1883 | virtual Status DeleteCF(uint32_t cf, const Slice& key) override { | |
1884 | row_ << "DELETE(" << cf << ") : "; | |
1885 | row_ << LDBCommand::StringToHex(key.ToString()) << " "; | |
1886 | return Status::OK(); | |
1887 | } | |
1888 | ||
1889 | virtual Status SingleDeleteCF(uint32_t cf, const Slice& key) override { | |
1890 | row_ << "SINGLE_DELETE(" << cf << ") : "; | |
1891 | row_ << LDBCommand::StringToHex(key.ToString()) << " "; | |
1892 | return Status::OK(); | |
1893 | } | |
1894 | ||
1895 | virtual Status DeleteRangeCF(uint32_t cf, const Slice& begin_key, | |
1896 | const Slice& end_key) override { | |
1897 | row_ << "DELETE_RANGE(" << cf << ") : "; | |
1898 | row_ << LDBCommand::StringToHex(begin_key.ToString()) << " "; | |
1899 | row_ << LDBCommand::StringToHex(end_key.ToString()) << " "; | |
1900 | return Status::OK(); | |
1901 | } | |
1902 | ||
1903 | virtual Status MarkBeginPrepare() override { | |
1904 | row_ << "BEGIN_PREARE "; | |
1905 | return Status::OK(); | |
1906 | } | |
1907 | ||
1908 | virtual Status MarkEndPrepare(const Slice& xid) override { | |
1909 | row_ << "END_PREPARE("; | |
1910 | row_ << LDBCommand::StringToHex(xid.ToString()) << ") "; | |
1911 | return Status::OK(); | |
1912 | } | |
1913 | ||
1914 | virtual Status MarkRollback(const Slice& xid) override { | |
1915 | row_ << "ROLLBACK("; | |
1916 | row_ << LDBCommand::StringToHex(xid.ToString()) << ") "; | |
1917 | return Status::OK(); | |
1918 | } | |
1919 | ||
1920 | virtual Status MarkCommit(const Slice& xid) override { | |
1921 | row_ << "COMMIT("; | |
1922 | row_ << LDBCommand::StringToHex(xid.ToString()) << ") "; | |
1923 | return Status::OK(); | |
1924 | } | |
1925 | ||
1926 | virtual ~InMemoryHandler() {} | |
1927 | ||
1928 | private: | |
1929 | std::stringstream& row_; | |
1930 | bool print_values_; | |
1931 | }; | |
1932 | ||
1933 | void DumpWalFile(std::string wal_file, bool print_header, bool print_values, | |
1934 | LDBCommandExecuteResult* exec_state) { | |
1935 | Env* env_ = Env::Default(); | |
1936 | EnvOptions soptions; | |
1937 | unique_ptr<SequentialFileReader> wal_file_reader; | |
1938 | ||
1939 | Status status; | |
1940 | { | |
1941 | unique_ptr<SequentialFile> file; | |
1942 | status = env_->NewSequentialFile(wal_file, &file, soptions); | |
1943 | if (status.ok()) { | |
1944 | wal_file_reader.reset(new SequentialFileReader(std::move(file))); | |
1945 | } | |
1946 | } | |
1947 | if (!status.ok()) { | |
1948 | if (exec_state) { | |
1949 | *exec_state = LDBCommandExecuteResult::Failed("Failed to open WAL file " + | |
1950 | status.ToString()); | |
1951 | } else { | |
1952 | std::cerr << "Error: Failed to open WAL file " << status.ToString() | |
1953 | << std::endl; | |
1954 | } | |
1955 | } else { | |
1956 | StdErrReporter reporter; | |
1957 | uint64_t log_number; | |
1958 | FileType type; | |
1959 | ||
1960 | // we need the log number, but ParseFilename expects dbname/NNN.log. | |
1961 | std::string sanitized = wal_file; | |
1962 | size_t lastslash = sanitized.rfind('/'); | |
1963 | if (lastslash != std::string::npos) | |
1964 | sanitized = sanitized.substr(lastslash + 1); | |
1965 | if (!ParseFileName(sanitized, &log_number, &type)) { | |
1966 | // bogus input, carry on as best we can | |
1967 | log_number = 0; | |
1968 | } | |
1969 | DBOptions db_options; | |
1970 | log::Reader reader(db_options.info_log, std::move(wal_file_reader), | |
1971 | &reporter, true, 0, log_number); | |
1972 | std::string scratch; | |
1973 | WriteBatch batch; | |
1974 | Slice record; | |
1975 | std::stringstream row; | |
1976 | if (print_header) { | |
1977 | std::cout << "Sequence,Count,ByteSize,Physical Offset,Key(s)"; | |
1978 | if (print_values) { | |
1979 | std::cout << " : value "; | |
1980 | } | |
1981 | std::cout << "\n"; | |
1982 | } | |
1983 | while (reader.ReadRecord(&record, &scratch)) { | |
1984 | row.str(""); | |
1985 | if (record.size() < WriteBatchInternal::kHeader) { | |
1986 | reporter.Corruption(record.size(), | |
1987 | Status::Corruption("log record too small")); | |
1988 | } else { | |
1989 | WriteBatchInternal::SetContents(&batch, record); | |
1990 | row << WriteBatchInternal::Sequence(&batch) << ","; | |
1991 | row << WriteBatchInternal::Count(&batch) << ","; | |
1992 | row << WriteBatchInternal::ByteSize(&batch) << ","; | |
1993 | row << reader.LastRecordOffset() << ","; | |
1994 | InMemoryHandler handler(row, print_values); | |
1995 | batch.Iterate(&handler); | |
1996 | row << "\n"; | |
1997 | } | |
1998 | std::cout << row.str(); | |
1999 | } | |
2000 | } | |
2001 | } | |
2002 | ||
2003 | } // namespace | |
2004 | ||
2005 | const std::string WALDumperCommand::ARG_WAL_FILE = "walfile"; | |
2006 | const std::string WALDumperCommand::ARG_PRINT_VALUE = "print_value"; | |
2007 | const std::string WALDumperCommand::ARG_PRINT_HEADER = "header"; | |
2008 | ||
2009 | WALDumperCommand::WALDumperCommand( | |
2010 | const std::vector<std::string>& params, | |
2011 | const std::map<std::string, std::string>& options, | |
2012 | const std::vector<std::string>& flags) | |
2013 | : LDBCommand(options, flags, true, | |
2014 | BuildCmdLineOptions( | |
2015 | {ARG_WAL_FILE, ARG_PRINT_HEADER, ARG_PRINT_VALUE})), | |
2016 | print_header_(false), | |
2017 | print_values_(false) { | |
2018 | wal_file_.clear(); | |
2019 | ||
2020 | std::map<std::string, std::string>::const_iterator itr = | |
2021 | options.find(ARG_WAL_FILE); | |
2022 | if (itr != options.end()) { | |
2023 | wal_file_ = itr->second; | |
2024 | } | |
2025 | ||
2026 | ||
2027 | print_header_ = IsFlagPresent(flags, ARG_PRINT_HEADER); | |
2028 | print_values_ = IsFlagPresent(flags, ARG_PRINT_VALUE); | |
2029 | if (wal_file_.empty()) { | |
2030 | exec_state_ = LDBCommandExecuteResult::Failed("Argument " + ARG_WAL_FILE + | |
2031 | " must be specified."); | |
2032 | } | |
2033 | } | |
2034 | ||
2035 | void WALDumperCommand::Help(std::string& ret) { | |
2036 | ret.append(" "); | |
2037 | ret.append(WALDumperCommand::Name()); | |
2038 | ret.append(" --" + ARG_WAL_FILE + "=<write_ahead_log_file_path>"); | |
2039 | ret.append(" [--" + ARG_PRINT_HEADER + "] "); | |
2040 | ret.append(" [--" + ARG_PRINT_VALUE + "] "); | |
2041 | ret.append("\n"); | |
2042 | } | |
2043 | ||
2044 | void WALDumperCommand::DoCommand() { | |
2045 | DumpWalFile(wal_file_, print_header_, print_values_, &exec_state_); | |
2046 | } | |
2047 | ||
2048 | // ---------------------------------------------------------------------------- | |
2049 | ||
2050 | GetCommand::GetCommand(const std::vector<std::string>& params, | |
2051 | const std::map<std::string, std::string>& options, | |
2052 | const std::vector<std::string>& flags) | |
2053 | : LDBCommand( | |
2054 | options, flags, true, | |
2055 | BuildCmdLineOptions({ARG_TTL, ARG_HEX, ARG_KEY_HEX, ARG_VALUE_HEX})) { | |
2056 | if (params.size() != 1) { | |
2057 | exec_state_ = LDBCommandExecuteResult::Failed( | |
2058 | "<key> must be specified for the get command"); | |
2059 | } else { | |
2060 | key_ = params.at(0); | |
2061 | } | |
2062 | ||
2063 | if (is_key_hex_) { | |
2064 | key_ = HexToString(key_); | |
2065 | } | |
2066 | } | |
2067 | ||
2068 | void GetCommand::Help(std::string& ret) { | |
2069 | ret.append(" "); | |
2070 | ret.append(GetCommand::Name()); | |
2071 | ret.append(" <key>"); | |
2072 | ret.append(" [--" + ARG_TTL + "]"); | |
2073 | ret.append("\n"); | |
2074 | } | |
2075 | ||
2076 | void GetCommand::DoCommand() { | |
2077 | if (!db_) { | |
2078 | assert(GetExecuteState().IsFailed()); | |
2079 | return; | |
2080 | } | |
2081 | std::string value; | |
2082 | Status st = db_->Get(ReadOptions(), GetCfHandle(), key_, &value); | |
2083 | if (st.ok()) { | |
2084 | fprintf(stdout, "%s\n", | |
2085 | (is_value_hex_ ? StringToHex(value) : value).c_str()); | |
2086 | } else { | |
2087 | exec_state_ = LDBCommandExecuteResult::Failed(st.ToString()); | |
2088 | } | |
2089 | } | |
2090 | ||
2091 | // ---------------------------------------------------------------------------- | |
2092 | ||
2093 | ApproxSizeCommand::ApproxSizeCommand( | |
2094 | const std::vector<std::string>& params, | |
2095 | const std::map<std::string, std::string>& options, | |
2096 | const std::vector<std::string>& flags) | |
2097 | : LDBCommand(options, flags, true, | |
2098 | BuildCmdLineOptions( | |
2099 | {ARG_HEX, ARG_KEY_HEX, ARG_VALUE_HEX, ARG_FROM, ARG_TO})) { | |
2100 | if (options.find(ARG_FROM) != options.end()) { | |
2101 | start_key_ = options.find(ARG_FROM)->second; | |
2102 | } else { | |
2103 | exec_state_ = LDBCommandExecuteResult::Failed( | |
2104 | ARG_FROM + " must be specified for approxsize command"); | |
2105 | return; | |
2106 | } | |
2107 | ||
2108 | if (options.find(ARG_TO) != options.end()) { | |
2109 | end_key_ = options.find(ARG_TO)->second; | |
2110 | } else { | |
2111 | exec_state_ = LDBCommandExecuteResult::Failed( | |
2112 | ARG_TO + " must be specified for approxsize command"); | |
2113 | return; | |
2114 | } | |
2115 | ||
2116 | if (is_key_hex_) { | |
2117 | start_key_ = HexToString(start_key_); | |
2118 | end_key_ = HexToString(end_key_); | |
2119 | } | |
2120 | } | |
2121 | ||
2122 | void ApproxSizeCommand::Help(std::string& ret) { | |
2123 | ret.append(" "); | |
2124 | ret.append(ApproxSizeCommand::Name()); | |
2125 | ret.append(HelpRangeCmdArgs()); | |
2126 | ret.append("\n"); | |
2127 | } | |
2128 | ||
2129 | void ApproxSizeCommand::DoCommand() { | |
2130 | if (!db_) { | |
2131 | assert(GetExecuteState().IsFailed()); | |
2132 | return; | |
2133 | } | |
2134 | Range ranges[1]; | |
2135 | ranges[0] = Range(start_key_, end_key_); | |
2136 | uint64_t sizes[1]; | |
2137 | db_->GetApproximateSizes(GetCfHandle(), ranges, 1, sizes); | |
2138 | fprintf(stdout, "%lu\n", (unsigned long)sizes[0]); | |
2139 | /* Weird that GetApproximateSizes() returns void, although documentation | |
2140 | * says that it returns a Status object. | |
2141 | if (!st.ok()) { | |
2142 | exec_state_ = LDBCommandExecuteResult::Failed(st.ToString()); | |
2143 | } | |
2144 | */ | |
2145 | } | |
2146 | ||
2147 | // ---------------------------------------------------------------------------- | |
2148 | ||
2149 | BatchPutCommand::BatchPutCommand( | |
2150 | const std::vector<std::string>& params, | |
2151 | const std::map<std::string, std::string>& options, | |
2152 | const std::vector<std::string>& flags) | |
2153 | : LDBCommand(options, flags, false, | |
2154 | BuildCmdLineOptions({ARG_TTL, ARG_HEX, ARG_KEY_HEX, | |
2155 | ARG_VALUE_HEX, ARG_CREATE_IF_MISSING})) { | |
2156 | if (params.size() < 2) { | |
2157 | exec_state_ = LDBCommandExecuteResult::Failed( | |
2158 | "At least one <key> <value> pair must be specified batchput."); | |
2159 | } else if (params.size() % 2 != 0) { | |
2160 | exec_state_ = LDBCommandExecuteResult::Failed( | |
2161 | "Equal number of <key>s and <value>s must be specified for batchput."); | |
2162 | } else { | |
2163 | for (size_t i = 0; i < params.size(); i += 2) { | |
2164 | std::string key = params.at(i); | |
2165 | std::string value = params.at(i + 1); | |
2166 | key_values_.push_back(std::pair<std::string, std::string>( | |
2167 | is_key_hex_ ? HexToString(key) : key, | |
2168 | is_value_hex_ ? HexToString(value) : value)); | |
2169 | } | |
2170 | } | |
2171 | create_if_missing_ = IsFlagPresent(flags_, ARG_CREATE_IF_MISSING); | |
2172 | } | |
2173 | ||
2174 | void BatchPutCommand::Help(std::string& ret) { | |
2175 | ret.append(" "); | |
2176 | ret.append(BatchPutCommand::Name()); | |
2177 | ret.append(" <key> <value> [<key> <value>] [..]"); | |
2178 | ret.append(" [--" + ARG_TTL + "]"); | |
2179 | ret.append("\n"); | |
2180 | } | |
2181 | ||
2182 | void BatchPutCommand::DoCommand() { | |
2183 | if (!db_) { | |
2184 | assert(GetExecuteState().IsFailed()); | |
2185 | return; | |
2186 | } | |
2187 | WriteBatch batch; | |
2188 | ||
2189 | for (std::vector<std::pair<std::string, std::string>>::const_iterator itr = | |
2190 | key_values_.begin(); | |
2191 | itr != key_values_.end(); ++itr) { | |
2192 | batch.Put(GetCfHandle(), itr->first, itr->second); | |
2193 | } | |
2194 | Status st = db_->Write(WriteOptions(), &batch); | |
2195 | if (st.ok()) { | |
2196 | fprintf(stdout, "OK\n"); | |
2197 | } else { | |
2198 | exec_state_ = LDBCommandExecuteResult::Failed(st.ToString()); | |
2199 | } | |
2200 | } | |
2201 | ||
2202 | Options BatchPutCommand::PrepareOptionsForOpenDB() { | |
2203 | Options opt = LDBCommand::PrepareOptionsForOpenDB(); | |
2204 | opt.create_if_missing = create_if_missing_; | |
2205 | return opt; | |
2206 | } | |
2207 | ||
2208 | // ---------------------------------------------------------------------------- | |
2209 | ||
2210 | ScanCommand::ScanCommand(const std::vector<std::string>& params, | |
2211 | const std::map<std::string, std::string>& options, | |
2212 | const std::vector<std::string>& flags) | |
2213 | : LDBCommand( | |
2214 | options, flags, true, | |
2215 | BuildCmdLineOptions({ARG_TTL, ARG_NO_VALUE, ARG_HEX, ARG_KEY_HEX, | |
2216 | ARG_TO, ARG_VALUE_HEX, ARG_FROM, ARG_TIMESTAMP, | |
2217 | ARG_MAX_KEYS, ARG_TTL_START, ARG_TTL_END})), | |
2218 | start_key_specified_(false), | |
2219 | end_key_specified_(false), | |
2220 | max_keys_scanned_(-1), | |
2221 | no_value_(false) { | |
2222 | std::map<std::string, std::string>::const_iterator itr = | |
2223 | options.find(ARG_FROM); | |
2224 | if (itr != options.end()) { | |
2225 | start_key_ = itr->second; | |
2226 | if (is_key_hex_) { | |
2227 | start_key_ = HexToString(start_key_); | |
2228 | } | |
2229 | start_key_specified_ = true; | |
2230 | } | |
2231 | itr = options.find(ARG_TO); | |
2232 | if (itr != options.end()) { | |
2233 | end_key_ = itr->second; | |
2234 | if (is_key_hex_) { | |
2235 | end_key_ = HexToString(end_key_); | |
2236 | } | |
2237 | end_key_specified_ = true; | |
2238 | } | |
2239 | ||
2240 | std::vector<std::string>::const_iterator vitr = | |
2241 | std::find(flags.begin(), flags.end(), ARG_NO_VALUE); | |
2242 | if (vitr != flags.end()) { | |
2243 | no_value_ = true; | |
2244 | } | |
2245 | ||
2246 | itr = options.find(ARG_MAX_KEYS); | |
2247 | if (itr != options.end()) { | |
2248 | try { | |
2249 | #if defined(CYGWIN) | |
2250 | max_keys_scanned_ = strtol(itr->second.c_str(), 0, 10); | |
2251 | #else | |
2252 | max_keys_scanned_ = std::stoi(itr->second); | |
2253 | #endif | |
2254 | } catch (const std::invalid_argument&) { | |
2255 | exec_state_ = LDBCommandExecuteResult::Failed(ARG_MAX_KEYS + | |
2256 | " has an invalid value"); | |
2257 | } catch (const std::out_of_range&) { | |
2258 | exec_state_ = LDBCommandExecuteResult::Failed( | |
2259 | ARG_MAX_KEYS + " has a value out-of-range"); | |
2260 | } | |
2261 | } | |
2262 | } | |
2263 | ||
2264 | void ScanCommand::Help(std::string& ret) { | |
2265 | ret.append(" "); | |
2266 | ret.append(ScanCommand::Name()); | |
2267 | ret.append(HelpRangeCmdArgs()); | |
2268 | ret.append(" [--" + ARG_TTL + "]"); | |
2269 | ret.append(" [--" + ARG_TIMESTAMP + "]"); | |
2270 | ret.append(" [--" + ARG_MAX_KEYS + "=<N>q] "); | |
2271 | ret.append(" [--" + ARG_TTL_START + "=<N>:- is inclusive]"); | |
2272 | ret.append(" [--" + ARG_TTL_END + "=<N>:- is exclusive]"); | |
2273 | ret.append(" [--" + ARG_NO_VALUE + "]"); | |
2274 | ret.append("\n"); | |
2275 | } | |
2276 | ||
2277 | void ScanCommand::DoCommand() { | |
2278 | if (!db_) { | |
2279 | assert(GetExecuteState().IsFailed()); | |
2280 | return; | |
2281 | } | |
2282 | ||
2283 | int num_keys_scanned = 0; | |
2284 | Iterator* it = db_->NewIterator(ReadOptions(), GetCfHandle()); | |
2285 | if (start_key_specified_) { | |
2286 | it->Seek(start_key_); | |
2287 | } else { | |
2288 | it->SeekToFirst(); | |
2289 | } | |
2290 | int ttl_start; | |
2291 | if (!ParseIntOption(option_map_, ARG_TTL_START, ttl_start, exec_state_)) { | |
2292 | ttl_start = DBWithTTLImpl::kMinTimestamp; // TTL introduction time | |
2293 | } | |
2294 | int ttl_end; | |
2295 | if (!ParseIntOption(option_map_, ARG_TTL_END, ttl_end, exec_state_)) { | |
2296 | ttl_end = DBWithTTLImpl::kMaxTimestamp; // Max time allowed by TTL feature | |
2297 | } | |
2298 | if (ttl_end < ttl_start) { | |
2299 | fprintf(stderr, "Error: End time can't be less than start time\n"); | |
2300 | delete it; | |
2301 | return; | |
2302 | } | |
2303 | if (is_db_ttl_ && timestamp_) { | |
2304 | fprintf(stdout, "Scanning key-values from %s to %s\n", | |
2305 | ReadableTime(ttl_start).c_str(), ReadableTime(ttl_end).c_str()); | |
2306 | } | |
2307 | for ( ; | |
2308 | it->Valid() && (!end_key_specified_ || it->key().ToString() < end_key_); | |
2309 | it->Next()) { | |
2310 | if (is_db_ttl_) { | |
2311 | TtlIterator* it_ttl = dynamic_cast<TtlIterator*>(it); | |
2312 | assert(it_ttl); | |
2313 | int rawtime = it_ttl->timestamp(); | |
2314 | if (rawtime < ttl_start || rawtime >= ttl_end) { | |
2315 | continue; | |
2316 | } | |
2317 | if (timestamp_) { | |
2318 | fprintf(stdout, "%s ", ReadableTime(rawtime).c_str()); | |
2319 | } | |
2320 | } | |
2321 | ||
2322 | Slice key_slice = it->key(); | |
2323 | ||
2324 | std::string formatted_key; | |
2325 | if (is_key_hex_) { | |
2326 | formatted_key = "0x" + key_slice.ToString(true /* hex */); | |
2327 | key_slice = formatted_key; | |
2328 | } else if (ldb_options_.key_formatter) { | |
2329 | formatted_key = ldb_options_.key_formatter->Format(key_slice); | |
2330 | key_slice = formatted_key; | |
2331 | } | |
2332 | ||
2333 | if (no_value_) { | |
2334 | fprintf(stdout, "%.*s\n", static_cast<int>(key_slice.size()), | |
2335 | key_slice.data()); | |
2336 | } else { | |
2337 | Slice val_slice = it->value(); | |
2338 | std::string formatted_value; | |
2339 | if (is_value_hex_) { | |
2340 | formatted_value = "0x" + val_slice.ToString(true /* hex */); | |
2341 | val_slice = formatted_value; | |
2342 | } | |
2343 | fprintf(stdout, "%.*s : %.*s\n", static_cast<int>(key_slice.size()), | |
2344 | key_slice.data(), static_cast<int>(val_slice.size()), | |
2345 | val_slice.data()); | |
2346 | } | |
2347 | ||
2348 | num_keys_scanned++; | |
2349 | if (max_keys_scanned_ >= 0 && num_keys_scanned >= max_keys_scanned_) { | |
2350 | break; | |
2351 | } | |
2352 | } | |
2353 | if (!it->status().ok()) { // Check for any errors found during the scan | |
2354 | exec_state_ = LDBCommandExecuteResult::Failed(it->status().ToString()); | |
2355 | } | |
2356 | delete it; | |
2357 | } | |
2358 | ||
2359 | // ---------------------------------------------------------------------------- | |
2360 | ||
2361 | DeleteCommand::DeleteCommand(const std::vector<std::string>& params, | |
2362 | const std::map<std::string, std::string>& options, | |
2363 | const std::vector<std::string>& flags) | |
2364 | : LDBCommand(options, flags, false, | |
2365 | BuildCmdLineOptions({ARG_HEX, ARG_KEY_HEX, ARG_VALUE_HEX})) { | |
2366 | if (params.size() != 1) { | |
2367 | exec_state_ = LDBCommandExecuteResult::Failed( | |
2368 | "KEY must be specified for the delete command"); | |
2369 | } else { | |
2370 | key_ = params.at(0); | |
2371 | if (is_key_hex_) { | |
2372 | key_ = HexToString(key_); | |
2373 | } | |
2374 | } | |
2375 | } | |
2376 | ||
2377 | void DeleteCommand::Help(std::string& ret) { | |
2378 | ret.append(" "); | |
2379 | ret.append(DeleteCommand::Name() + " <key>"); | |
2380 | ret.append("\n"); | |
2381 | } | |
2382 | ||
2383 | void DeleteCommand::DoCommand() { | |
2384 | if (!db_) { | |
2385 | assert(GetExecuteState().IsFailed()); | |
2386 | return; | |
2387 | } | |
2388 | Status st = db_->Delete(WriteOptions(), GetCfHandle(), key_); | |
2389 | if (st.ok()) { | |
2390 | fprintf(stdout, "OK\n"); | |
2391 | } else { | |
2392 | exec_state_ = LDBCommandExecuteResult::Failed(st.ToString()); | |
2393 | } | |
2394 | } | |
2395 | ||
2396 | DeleteRangeCommand::DeleteRangeCommand( | |
2397 | const std::vector<std::string>& params, | |
2398 | const std::map<std::string, std::string>& options, | |
2399 | const std::vector<std::string>& flags) | |
2400 | : LDBCommand(options, flags, false, | |
2401 | BuildCmdLineOptions({ARG_HEX, ARG_KEY_HEX, ARG_VALUE_HEX})) { | |
2402 | if (params.size() != 2) { | |
2403 | exec_state_ = LDBCommandExecuteResult::Failed( | |
2404 | "begin and end keys must be specified for the delete command"); | |
2405 | } else { | |
2406 | begin_key_ = params.at(0); | |
2407 | end_key_ = params.at(1); | |
2408 | if (is_key_hex_) { | |
2409 | begin_key_ = HexToString(begin_key_); | |
2410 | end_key_ = HexToString(end_key_); | |
2411 | } | |
2412 | } | |
2413 | } | |
2414 | ||
2415 | void DeleteRangeCommand::Help(std::string& ret) { | |
2416 | ret.append(" "); | |
2417 | ret.append(DeleteRangeCommand::Name() + " <begin key> <end key>"); | |
2418 | ret.append("\n"); | |
2419 | } | |
2420 | ||
2421 | void DeleteRangeCommand::DoCommand() { | |
2422 | if (!db_) { | |
2423 | assert(GetExecuteState().IsFailed()); | |
2424 | return; | |
2425 | } | |
2426 | Status st = | |
2427 | db_->DeleteRange(WriteOptions(), GetCfHandle(), begin_key_, end_key_); | |
2428 | if (st.ok()) { | |
2429 | fprintf(stdout, "OK\n"); | |
2430 | } else { | |
2431 | exec_state_ = LDBCommandExecuteResult::Failed(st.ToString()); | |
2432 | } | |
2433 | } | |
2434 | ||
2435 | PutCommand::PutCommand(const std::vector<std::string>& params, | |
2436 | const std::map<std::string, std::string>& options, | |
2437 | const std::vector<std::string>& flags) | |
2438 | : LDBCommand(options, flags, false, | |
2439 | BuildCmdLineOptions({ARG_TTL, ARG_HEX, ARG_KEY_HEX, | |
2440 | ARG_VALUE_HEX, ARG_CREATE_IF_MISSING})) { | |
2441 | if (params.size() != 2) { | |
2442 | exec_state_ = LDBCommandExecuteResult::Failed( | |
2443 | "<key> and <value> must be specified for the put command"); | |
2444 | } else { | |
2445 | key_ = params.at(0); | |
2446 | value_ = params.at(1); | |
2447 | } | |
2448 | ||
2449 | if (is_key_hex_) { | |
2450 | key_ = HexToString(key_); | |
2451 | } | |
2452 | ||
2453 | if (is_value_hex_) { | |
2454 | value_ = HexToString(value_); | |
2455 | } | |
2456 | create_if_missing_ = IsFlagPresent(flags_, ARG_CREATE_IF_MISSING); | |
2457 | } | |
2458 | ||
2459 | void PutCommand::Help(std::string& ret) { | |
2460 | ret.append(" "); | |
2461 | ret.append(PutCommand::Name()); | |
2462 | ret.append(" <key> <value> "); | |
2463 | ret.append(" [--" + ARG_TTL + "]"); | |
2464 | ret.append("\n"); | |
2465 | } | |
2466 | ||
2467 | void PutCommand::DoCommand() { | |
2468 | if (!db_) { | |
2469 | assert(GetExecuteState().IsFailed()); | |
2470 | return; | |
2471 | } | |
2472 | Status st = db_->Put(WriteOptions(), GetCfHandle(), key_, value_); | |
2473 | if (st.ok()) { | |
2474 | fprintf(stdout, "OK\n"); | |
2475 | } else { | |
2476 | exec_state_ = LDBCommandExecuteResult::Failed(st.ToString()); | |
2477 | } | |
2478 | } | |
2479 | ||
2480 | Options PutCommand::PrepareOptionsForOpenDB() { | |
2481 | Options opt = LDBCommand::PrepareOptionsForOpenDB(); | |
2482 | opt.create_if_missing = create_if_missing_; | |
2483 | return opt; | |
2484 | } | |
2485 | ||
2486 | // ---------------------------------------------------------------------------- | |
2487 | ||
2488 | const char* DBQuerierCommand::HELP_CMD = "help"; | |
2489 | const char* DBQuerierCommand::GET_CMD = "get"; | |
2490 | const char* DBQuerierCommand::PUT_CMD = "put"; | |
2491 | const char* DBQuerierCommand::DELETE_CMD = "delete"; | |
2492 | ||
2493 | DBQuerierCommand::DBQuerierCommand( | |
2494 | const std::vector<std::string>& params, | |
2495 | const std::map<std::string, std::string>& options, | |
2496 | const std::vector<std::string>& flags) | |
2497 | : LDBCommand( | |
2498 | options, flags, false, | |
2499 | BuildCmdLineOptions({ARG_TTL, ARG_HEX, ARG_KEY_HEX, ARG_VALUE_HEX})) { | |
2500 | ||
2501 | } | |
2502 | ||
2503 | void DBQuerierCommand::Help(std::string& ret) { | |
2504 | ret.append(" "); | |
2505 | ret.append(DBQuerierCommand::Name()); | |
2506 | ret.append(" [--" + ARG_TTL + "]"); | |
2507 | ret.append("\n"); | |
2508 | ret.append(" Starts a REPL shell. Type help for list of available " | |
2509 | "commands."); | |
2510 | ret.append("\n"); | |
2511 | } | |
2512 | ||
2513 | void DBQuerierCommand::DoCommand() { | |
2514 | if (!db_) { | |
2515 | assert(GetExecuteState().IsFailed()); | |
2516 | return; | |
2517 | } | |
2518 | ||
2519 | ReadOptions read_options; | |
2520 | WriteOptions write_options; | |
2521 | ||
2522 | std::string line; | |
2523 | std::string key; | |
2524 | std::string value; | |
2525 | while (getline(std::cin, line, '\n')) { | |
2526 | // Parse line into std::vector<std::string> | |
2527 | std::vector<std::string> tokens; | |
2528 | size_t pos = 0; | |
2529 | while (true) { | |
2530 | size_t pos2 = line.find(' ', pos); | |
2531 | if (pos2 == std::string::npos) { | |
2532 | break; | |
2533 | } | |
2534 | tokens.push_back(line.substr(pos, pos2-pos)); | |
2535 | pos = pos2 + 1; | |
2536 | } | |
2537 | tokens.push_back(line.substr(pos)); | |
2538 | ||
2539 | const std::string& cmd = tokens[0]; | |
2540 | ||
2541 | if (cmd == HELP_CMD) { | |
2542 | fprintf(stdout, | |
2543 | "get <key>\n" | |
2544 | "put <key> <value>\n" | |
2545 | "delete <key>\n"); | |
2546 | } else if (cmd == DELETE_CMD && tokens.size() == 2) { | |
2547 | key = (is_key_hex_ ? HexToString(tokens[1]) : tokens[1]); | |
2548 | db_->Delete(write_options, GetCfHandle(), Slice(key)); | |
2549 | fprintf(stdout, "Successfully deleted %s\n", tokens[1].c_str()); | |
2550 | } else if (cmd == PUT_CMD && tokens.size() == 3) { | |
2551 | key = (is_key_hex_ ? HexToString(tokens[1]) : tokens[1]); | |
2552 | value = (is_value_hex_ ? HexToString(tokens[2]) : tokens[2]); | |
2553 | db_->Put(write_options, GetCfHandle(), Slice(key), Slice(value)); | |
2554 | fprintf(stdout, "Successfully put %s %s\n", | |
2555 | tokens[1].c_str(), tokens[2].c_str()); | |
2556 | } else if (cmd == GET_CMD && tokens.size() == 2) { | |
2557 | key = (is_key_hex_ ? HexToString(tokens[1]) : tokens[1]); | |
2558 | if (db_->Get(read_options, GetCfHandle(), Slice(key), &value).ok()) { | |
2559 | fprintf(stdout, "%s\n", PrintKeyValue(key, value, | |
2560 | is_key_hex_, is_value_hex_).c_str()); | |
2561 | } else { | |
2562 | fprintf(stdout, "Not found %s\n", tokens[1].c_str()); | |
2563 | } | |
2564 | } else { | |
2565 | fprintf(stdout, "Unknown command %s\n", line.c_str()); | |
2566 | } | |
2567 | } | |
2568 | } | |
2569 | ||
2570 | // ---------------------------------------------------------------------------- | |
2571 | ||
2572 | CheckConsistencyCommand::CheckConsistencyCommand( | |
2573 | const std::vector<std::string>& params, | |
2574 | const std::map<std::string, std::string>& options, | |
2575 | const std::vector<std::string>& flags) | |
2576 | : LDBCommand(options, flags, false, BuildCmdLineOptions({})) {} | |
2577 | ||
2578 | void CheckConsistencyCommand::Help(std::string& ret) { | |
2579 | ret.append(" "); | |
2580 | ret.append(CheckConsistencyCommand::Name()); | |
2581 | ret.append("\n"); | |
2582 | } | |
2583 | ||
2584 | void CheckConsistencyCommand::DoCommand() { | |
2585 | Options opt = PrepareOptionsForOpenDB(); | |
2586 | opt.paranoid_checks = true; | |
2587 | if (!exec_state_.IsNotStarted()) { | |
2588 | return; | |
2589 | } | |
2590 | DB* db; | |
2591 | Status st = DB::OpenForReadOnly(opt, db_path_, &db, false); | |
2592 | delete db; | |
2593 | if (st.ok()) { | |
2594 | fprintf(stdout, "OK\n"); | |
2595 | } else { | |
2596 | exec_state_ = LDBCommandExecuteResult::Failed(st.ToString()); | |
2597 | } | |
2598 | } | |
2599 | ||
2600 | // ---------------------------------------------------------------------------- | |
2601 | ||
2602 | const std::string CheckPointCommand::ARG_CHECKPOINT_DIR = "checkpoint_dir"; | |
2603 | ||
2604 | CheckPointCommand::CheckPointCommand( | |
2605 | const std::vector<std::string>& params, | |
2606 | const std::map<std::string, std::string>& options, | |
2607 | const std::vector<std::string>& flags) | |
2608 | : LDBCommand(options, flags, false /* is_read_only */, | |
2609 | BuildCmdLineOptions({ARG_CHECKPOINT_DIR})) { | |
2610 | auto itr = options.find(ARG_CHECKPOINT_DIR); | |
2611 | if (itr == options.end()) { | |
2612 | exec_state_ = LDBCommandExecuteResult::Failed( | |
2613 | "--" + ARG_CHECKPOINT_DIR + ": missing checkpoint directory"); | |
2614 | } else { | |
2615 | checkpoint_dir_ = itr->second; | |
2616 | } | |
2617 | } | |
2618 | ||
2619 | void CheckPointCommand::Help(std::string& ret) { | |
2620 | ret.append(" "); | |
2621 | ret.append(CheckPointCommand::Name()); | |
2622 | ret.append(" [--" + ARG_CHECKPOINT_DIR + "] "); | |
2623 | ret.append("\n"); | |
2624 | } | |
2625 | ||
2626 | void CheckPointCommand::DoCommand() { | |
2627 | if (!db_) { | |
2628 | assert(GetExecuteState().IsFailed()); | |
2629 | return; | |
2630 | } | |
2631 | Checkpoint* checkpoint; | |
2632 | Status status = Checkpoint::Create(db_, &checkpoint); | |
2633 | status = checkpoint->CreateCheckpoint(checkpoint_dir_); | |
2634 | if (status.ok()) { | |
2635 | printf("OK\n"); | |
2636 | } else { | |
2637 | exec_state_ = LDBCommandExecuteResult::Failed(status.ToString()); | |
2638 | } | |
2639 | } | |
2640 | ||
2641 | // ---------------------------------------------------------------------------- | |
2642 | ||
2643 | RepairCommand::RepairCommand(const std::vector<std::string>& params, | |
2644 | const std::map<std::string, std::string>& options, | |
2645 | const std::vector<std::string>& flags) | |
2646 | : LDBCommand(options, flags, false, BuildCmdLineOptions({})) {} | |
2647 | ||
2648 | void RepairCommand::Help(std::string& ret) { | |
2649 | ret.append(" "); | |
2650 | ret.append(RepairCommand::Name()); | |
2651 | ret.append("\n"); | |
2652 | } | |
2653 | ||
2654 | void RepairCommand::DoCommand() { | |
2655 | Options options = PrepareOptionsForOpenDB(); | |
2656 | options.info_log.reset(new StderrLogger(InfoLogLevel::WARN_LEVEL)); | |
2657 | Status status = RepairDB(db_path_, options); | |
2658 | if (status.ok()) { | |
2659 | printf("OK\n"); | |
2660 | } else { | |
2661 | exec_state_ = LDBCommandExecuteResult::Failed(status.ToString()); | |
2662 | } | |
2663 | } | |
2664 | ||
2665 | // ---------------------------------------------------------------------------- | |
2666 | ||
2667 | const std::string BackupableCommand::ARG_NUM_THREADS = "num_threads"; | |
2668 | const std::string BackupableCommand::ARG_BACKUP_ENV_URI = "backup_env_uri"; | |
2669 | const std::string BackupableCommand::ARG_BACKUP_DIR = "backup_dir"; | |
2670 | const std::string BackupableCommand::ARG_STDERR_LOG_LEVEL = "stderr_log_level"; | |
2671 | ||
2672 | BackupableCommand::BackupableCommand( | |
2673 | const std::vector<std::string>& params, | |
2674 | const std::map<std::string, std::string>& options, | |
2675 | const std::vector<std::string>& flags) | |
2676 | : LDBCommand(options, flags, false /* is_read_only */, | |
2677 | BuildCmdLineOptions({ARG_BACKUP_ENV_URI, ARG_BACKUP_DIR, | |
2678 | ARG_NUM_THREADS, ARG_STDERR_LOG_LEVEL})), | |
2679 | num_threads_(1) { | |
2680 | auto itr = options.find(ARG_NUM_THREADS); | |
2681 | if (itr != options.end()) { | |
2682 | num_threads_ = std::stoi(itr->second); | |
2683 | } | |
2684 | itr = options.find(ARG_BACKUP_ENV_URI); | |
2685 | if (itr != options.end()) { | |
2686 | backup_env_uri_ = itr->second; | |
2687 | } | |
2688 | itr = options.find(ARG_BACKUP_DIR); | |
2689 | if (itr == options.end()) { | |
2690 | exec_state_ = LDBCommandExecuteResult::Failed("--" + ARG_BACKUP_DIR + | |
2691 | ": missing backup directory"); | |
2692 | } else { | |
2693 | backup_dir_ = itr->second; | |
2694 | } | |
2695 | ||
2696 | itr = options.find(ARG_STDERR_LOG_LEVEL); | |
2697 | if (itr != options.end()) { | |
2698 | int stderr_log_level = std::stoi(itr->second); | |
2699 | if (stderr_log_level < 0 || | |
2700 | stderr_log_level >= InfoLogLevel::NUM_INFO_LOG_LEVELS) { | |
2701 | exec_state_ = LDBCommandExecuteResult::Failed( | |
2702 | ARG_STDERR_LOG_LEVEL + " must be >= 0 and < " + | |
2703 | std::to_string(InfoLogLevel::NUM_INFO_LOG_LEVELS) + "."); | |
2704 | } else { | |
2705 | logger_.reset( | |
2706 | new StderrLogger(static_cast<InfoLogLevel>(stderr_log_level))); | |
2707 | } | |
2708 | } | |
2709 | } | |
2710 | ||
2711 | void BackupableCommand::Help(const std::string& name, std::string& ret) { | |
2712 | ret.append(" "); | |
2713 | ret.append(name); | |
2714 | ret.append(" [--" + ARG_BACKUP_ENV_URI + "] "); | |
2715 | ret.append(" [--" + ARG_BACKUP_DIR + "] "); | |
2716 | ret.append(" [--" + ARG_NUM_THREADS + "] "); | |
2717 | ret.append(" [--" + ARG_STDERR_LOG_LEVEL + "=<int (InfoLogLevel)>] "); | |
2718 | ret.append("\n"); | |
2719 | } | |
2720 | ||
2721 | // ---------------------------------------------------------------------------- | |
2722 | ||
2723 | BackupCommand::BackupCommand(const std::vector<std::string>& params, | |
2724 | const std::map<std::string, std::string>& options, | |
2725 | const std::vector<std::string>& flags) | |
2726 | : BackupableCommand(params, options, flags) {} | |
2727 | ||
2728 | void BackupCommand::Help(std::string& ret) { | |
2729 | BackupableCommand::Help(Name(), ret); | |
2730 | } | |
2731 | ||
2732 | void BackupCommand::DoCommand() { | |
2733 | BackupEngine* backup_engine; | |
2734 | Status status; | |
2735 | if (!db_) { | |
2736 | assert(GetExecuteState().IsFailed()); | |
2737 | return; | |
2738 | } | |
2739 | printf("open db OK\n"); | |
2740 | std::unique_ptr<Env> custom_env_guard; | |
2741 | Env* custom_env = NewCustomObject<Env>(backup_env_uri_, &custom_env_guard); | |
2742 | BackupableDBOptions backup_options = | |
2743 | BackupableDBOptions(backup_dir_, custom_env); | |
2744 | backup_options.info_log = logger_.get(); | |
2745 | backup_options.max_background_operations = num_threads_; | |
2746 | status = BackupEngine::Open(Env::Default(), backup_options, &backup_engine); | |
2747 | if (status.ok()) { | |
2748 | printf("open backup engine OK\n"); | |
2749 | } else { | |
2750 | exec_state_ = LDBCommandExecuteResult::Failed(status.ToString()); | |
2751 | return; | |
2752 | } | |
2753 | status = backup_engine->CreateNewBackup(db_); | |
2754 | if (status.ok()) { | |
2755 | printf("create new backup OK\n"); | |
2756 | } else { | |
2757 | exec_state_ = LDBCommandExecuteResult::Failed(status.ToString()); | |
2758 | return; | |
2759 | } | |
2760 | } | |
2761 | ||
2762 | // ---------------------------------------------------------------------------- | |
2763 | ||
2764 | RestoreCommand::RestoreCommand( | |
2765 | const std::vector<std::string>& params, | |
2766 | const std::map<std::string, std::string>& options, | |
2767 | const std::vector<std::string>& flags) | |
2768 | : BackupableCommand(params, options, flags) {} | |
2769 | ||
2770 | void RestoreCommand::Help(std::string& ret) { | |
2771 | BackupableCommand::Help(Name(), ret); | |
2772 | } | |
2773 | ||
2774 | void RestoreCommand::DoCommand() { | |
2775 | std::unique_ptr<Env> custom_env_guard; | |
2776 | Env* custom_env = NewCustomObject<Env>(backup_env_uri_, &custom_env_guard); | |
2777 | std::unique_ptr<BackupEngineReadOnly> restore_engine; | |
2778 | Status status; | |
2779 | { | |
2780 | BackupableDBOptions opts(backup_dir_, custom_env); | |
2781 | opts.info_log = logger_.get(); | |
2782 | opts.max_background_operations = num_threads_; | |
2783 | BackupEngineReadOnly* raw_restore_engine_ptr; | |
2784 | status = BackupEngineReadOnly::Open(Env::Default(), opts, | |
2785 | &raw_restore_engine_ptr); | |
2786 | if (status.ok()) { | |
2787 | restore_engine.reset(raw_restore_engine_ptr); | |
2788 | } | |
2789 | } | |
2790 | if (status.ok()) { | |
2791 | printf("open restore engine OK\n"); | |
2792 | status = restore_engine->RestoreDBFromLatestBackup(db_path_, db_path_); | |
2793 | } | |
2794 | if (status.ok()) { | |
2795 | printf("restore from backup OK\n"); | |
2796 | } else { | |
2797 | exec_state_ = LDBCommandExecuteResult::Failed(status.ToString()); | |
2798 | } | |
2799 | } | |
2800 | ||
2801 | // ---------------------------------------------------------------------------- | |
2802 | ||
2803 | namespace { | |
2804 | ||
2805 | void DumpSstFile(std::string filename, bool output_hex, bool show_properties) { | |
2806 | std::string from_key; | |
2807 | std::string to_key; | |
2808 | if (filename.length() <= 4 || | |
2809 | filename.rfind(".sst") != filename.length() - 4) { | |
2810 | std::cout << "Invalid sst file name." << std::endl; | |
2811 | return; | |
2812 | } | |
2813 | // no verification | |
2814 | rocksdb::SstFileReader reader(filename, false, output_hex); | |
2815 | Status st = reader.ReadSequential(true, -1, false, // has_from | |
2816 | from_key, false, // has_to | |
2817 | to_key); | |
2818 | if (!st.ok()) { | |
2819 | std::cerr << "Error in reading SST file " << filename << st.ToString() | |
2820 | << std::endl; | |
2821 | return; | |
2822 | } | |
2823 | ||
2824 | if (show_properties) { | |
2825 | const rocksdb::TableProperties* table_properties; | |
2826 | ||
2827 | std::shared_ptr<const rocksdb::TableProperties> | |
2828 | table_properties_from_reader; | |
2829 | st = reader.ReadTableProperties(&table_properties_from_reader); | |
2830 | if (!st.ok()) { | |
2831 | std::cerr << filename << ": " << st.ToString() | |
2832 | << ". Try to use initial table properties" << std::endl; | |
2833 | table_properties = reader.GetInitTableProperties(); | |
2834 | } else { | |
2835 | table_properties = table_properties_from_reader.get(); | |
2836 | } | |
2837 | if (table_properties != nullptr) { | |
2838 | std::cout << std::endl << "Table Properties:" << std::endl; | |
2839 | std::cout << table_properties->ToString("\n") << std::endl; | |
2840 | std::cout << "# deleted keys: " | |
2841 | << rocksdb::GetDeletedKeys( | |
2842 | table_properties->user_collected_properties) | |
2843 | << std::endl; | |
2844 | } | |
2845 | } | |
2846 | } | |
2847 | ||
2848 | } // namespace | |
2849 | ||
2850 | DBFileDumperCommand::DBFileDumperCommand( | |
2851 | const std::vector<std::string>& params, | |
2852 | const std::map<std::string, std::string>& options, | |
2853 | const std::vector<std::string>& flags) | |
2854 | : LDBCommand(options, flags, true, BuildCmdLineOptions({})) {} | |
2855 | ||
2856 | void DBFileDumperCommand::Help(std::string& ret) { | |
2857 | ret.append(" "); | |
2858 | ret.append(DBFileDumperCommand::Name()); | |
2859 | ret.append("\n"); | |
2860 | } | |
2861 | ||
2862 | void DBFileDumperCommand::DoCommand() { | |
2863 | if (!db_) { | |
2864 | assert(GetExecuteState().IsFailed()); | |
2865 | return; | |
2866 | } | |
2867 | Status s; | |
2868 | ||
2869 | std::cout << "Manifest File" << std::endl; | |
2870 | std::cout << "==============================" << std::endl; | |
2871 | std::string manifest_filename; | |
2872 | s = ReadFileToString(db_->GetEnv(), CurrentFileName(db_->GetName()), | |
2873 | &manifest_filename); | |
2874 | if (!s.ok() || manifest_filename.empty() || | |
2875 | manifest_filename.back() != '\n') { | |
2876 | std::cerr << "Error when reading CURRENT file " | |
2877 | << CurrentFileName(db_->GetName()) << std::endl; | |
2878 | } | |
2879 | // remove the trailing '\n' | |
2880 | manifest_filename.resize(manifest_filename.size() - 1); | |
2881 | std::string manifest_filepath = db_->GetName() + "/" + manifest_filename; | |
2882 | std::cout << manifest_filepath << std::endl; | |
2883 | DumpManifestFile(manifest_filepath, false, false, false); | |
2884 | std::cout << std::endl; | |
2885 | ||
2886 | std::cout << "SST Files" << std::endl; | |
2887 | std::cout << "==============================" << std::endl; | |
2888 | std::vector<LiveFileMetaData> metadata; | |
2889 | db_->GetLiveFilesMetaData(&metadata); | |
2890 | for (auto& fileMetadata : metadata) { | |
2891 | std::string filename = fileMetadata.db_path + fileMetadata.name; | |
2892 | std::cout << filename << " level:" << fileMetadata.level << std::endl; | |
2893 | std::cout << "------------------------------" << std::endl; | |
2894 | DumpSstFile(filename, false, true); | |
2895 | std::cout << std::endl; | |
2896 | } | |
2897 | std::cout << std::endl; | |
2898 | ||
2899 | std::cout << "Write Ahead Log Files" << std::endl; | |
2900 | std::cout << "==============================" << std::endl; | |
2901 | rocksdb::VectorLogPtr wal_files; | |
2902 | s = db_->GetSortedWalFiles(wal_files); | |
2903 | if (!s.ok()) { | |
2904 | std::cerr << "Error when getting WAL files" << std::endl; | |
2905 | } else { | |
2906 | for (auto& wal : wal_files) { | |
2907 | // TODO(qyang): option.wal_dir should be passed into ldb command | |
2908 | std::string filename = db_->GetOptions().wal_dir + wal->PathName(); | |
2909 | std::cout << filename << std::endl; | |
2910 | DumpWalFile(filename, true, true, &exec_state_); | |
2911 | } | |
2912 | } | |
2913 | } | |
2914 | ||
2915 | } // namespace rocksdb | |
2916 | #endif // ROCKSDB_LITE |