github.com/igggame/nebulas-go@v2.1.0+incompatible/nbre/test/fs/rocksdb_read.cpp (about)

     1  // Copyright (C) 2018 go-nebulas authors
     2  //
     3  // This file is part of the go-nebulas library.
     4  //
     5  // the go-nebulas library is free software: you can redistribute it and/or
     6  // modify
     7  // it under the terms of the GNU General Public License as published by
     8  // the Free Software Foundation, either version 3 of the License, or
     9  // (at your option) any later version.
    10  //
    11  // the go-nebulas library is distributed in the hope that it will be useful,
    12  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    13  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14  // GNU General Public License for more details.
    15  //
    16  // You should have received a copy of the GNU General Public License
    17  // along with the go-nebulas library.  If not, see
    18  // <http://www.gnu.org/licenses/>.
    19  //
    20  #include "fs/rocksdb_storage.h"
    21  #include <iostream>
    22  
    23  int main(int argc, char *argv[]) {
    24  
    25    neb::fs::rocksdb_storage rs;
    26    rs.open_database("test_write.db", neb::fs::storage_open_for_readonly);
    27  
    28    char c = '0';
    29    int64_t key = 1;
    30    std::thread thrd([&]() {
    31      while (c != 'x') {
    32        std::this_thread::sleep_for(std::chrono::seconds(1));
    33        int64_t v = rs.get<int64_t>(key);
    34        std::cout << "get " << v << std::endl;
    35      }
    36      rs.close_database();
    37    });
    38    std::cout << "press x to quit" << std::endl;
    39    std::cin >> c;
    40    thrd.join();
    41  
    42    return 0;
    43  }