github.com/igggame/nebulas-go@v2.1.0+incompatible/nbre/util/command.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 "util/command.h"
    21  
    22  namespace neb {
    23  namespace util {
    24  
    25  int command_executor::execute_command(const std::string &command_string) {
    26    namespace bp = boost::process;
    27    bp::ipstream pipe_stream;
    28    bp::child c(command_string, bp::std_out > pipe_stream);
    29  
    30    std::string line;
    31    while (pipe_stream && std::getline(pipe_stream, line) && !line.empty()) {
    32      std::cerr << line << std::endl;
    33    }
    34    c.wait();
    35    return c.exit_code();
    36  }
    37  
    38  int command_executor::execute_command(const std::string &command_string,
    39                                        std::string &output_string) {
    40    namespace bp = boost::process;
    41    bp::ipstream pipe_stream;
    42    bp::child c(command_string, bp::std_out > pipe_stream);
    43    output_string = std::string();
    44  
    45    while (pipe_stream && std::getline(pipe_stream, output_string) &&
    46           !output_string.empty()) {
    47      std::cerr << output_string << std::endl;
    48    }
    49    c.wait();
    50    return c.exit_code();
    51  }
    52  
    53  } // namespace util
    54  } // namespace neb