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