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beezcli is an interactive tool wrapping ldb This commit adds some enhancement to ldb Resolves: #407
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Or Friedmann
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Apr 3, 2023
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,119 @@ | ||
| // Copyright (C) 2023 Speedb Ltd. All rights reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| #include <getopt.h> | ||
| #include <readline/history.h> | ||
| #include <readline/readline.h> | ||
| #include <signal.h> | ||
|
|
||
| #include <iostream> | ||
| #include <iterator> | ||
| #include <sstream> | ||
|
|
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| #include "rocksdb/ldb_tool.h" | ||
|
|
||
| void SignalHandler(int sigint) { | ||
| std::cout << std::endl << "Ciao" << std::endl; | ||
| exit(0); | ||
| } | ||
| void ToArgv(std::string const& input, std::vector<std::string>& temp) { | ||
| std::istringstream buffer(input); | ||
| std::copy(std::istream_iterator<std::string>(buffer), | ||
| std::istream_iterator<std::string>(), std::back_inserter(temp)); | ||
| } | ||
| int main(int argc, char** argv) { | ||
| signal(SIGINT, &SignalHandler); | ||
| ROCKSDB_NAMESPACE::LDBTool tool; | ||
| std::string prompt = "beezcli> "; | ||
| const char* const short_opts = "dis\0"; | ||
| const option long_opts[] = {{"db", required_argument, 0, 'd'}, | ||
| {"interactive", no_argument, nullptr, 'i'}, | ||
| {"secondary_path", required_argument, 0, 's'}, | ||
| {0, 0, 0, 0}}; | ||
| int opt; | ||
| std::string db_path = ""; | ||
| std::string secondary_path = ""; | ||
| bool i = false; | ||
| bool d = false; | ||
| bool s [[maybe_unused]] = false; | ||
| opterr = 0; | ||
| opt = getopt_long(argc, argv, short_opts, long_opts, nullptr); | ||
| while (opt != -1) { | ||
| switch (opt) { | ||
| case 'd': | ||
| db_path = std::string(optarg); | ||
| std::cout << db_path << std::endl; | ||
| d = true; | ||
| break; | ||
| case 'i': | ||
| i = true; | ||
| break; | ||
| case 's': | ||
| secondary_path = std::string(optarg); | ||
| s = true; | ||
| break; | ||
| } | ||
| opt = getopt_long(argc, argv, short_opts, long_opts, nullptr); | ||
| } | ||
| char* line; | ||
| if (i && !d) { | ||
| std::cerr << "interactive flag provided without --db" << std::endl; | ||
| return EINVAL; | ||
| } | ||
| while (i && d && (line = readline(prompt.c_str())) && line) { | ||
| if (line[0] != '\0') add_history(line); | ||
| std::string input(line); | ||
| free(line); | ||
| line = nullptr; | ||
| if (input == "help") { | ||
| char** help = new char*[2]; | ||
| help[0] = argv[0]; | ||
| help[1] = const_cast<char*>("--help"); | ||
| tool.Run(2, help, ROCKSDB_NAMESPACE::Options(), | ||
| ROCKSDB_NAMESPACE::LDBOptions(), nullptr, false); | ||
| continue; | ||
| } | ||
| if (input == "quit" || input == "exit") { | ||
| SignalHandler(0); | ||
| } | ||
| if (!input.empty()) { | ||
| if (!s) { | ||
| std::vector<std::string> vec; | ||
| ToArgv(std::string(argv[0]) + " " + input + " --db=" + db_path, vec); | ||
| std::vector<char*> cstrings{}; | ||
| for (const auto& string : vec) { | ||
| cstrings.push_back(const_cast<char*>(string.c_str())); | ||
| } | ||
| tool.Run(cstrings.size(), cstrings.data(), ROCKSDB_NAMESPACE::Options(), | ||
| ROCKSDB_NAMESPACE::LDBOptions(), nullptr, false); | ||
| } else { | ||
| std::vector<std::string> vec; | ||
| ToArgv(std::string(argv[0]) + " " + input + " --db=" + db_path + | ||
| " --secondary_path=" + secondary_path, | ||
| vec); | ||
| std::vector<char*> cstrings{}; | ||
| for (const auto& string : vec) { | ||
| cstrings.push_back(const_cast<char*>(string.c_str())); | ||
| } | ||
| tool.Run(cstrings.size(), cstrings.data(), ROCKSDB_NAMESPACE::Options(), | ||
| ROCKSDB_NAMESPACE::LDBOptions(), nullptr, false); | ||
| } | ||
| } | ||
| } | ||
| if (line == nullptr && i && d) { | ||
| SignalHandler(0); | ||
| } | ||
| tool.Run(argc, argv); | ||
| return 0; | ||
| } |
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