如何使用boost::asio将URL转换为IP地址？开发者社区

相关文章推荐

一身肌肉的拖把 · printPreviewControl1 ...· 3 月前 ·

闷骚的红薯 · SQL Server native ...· 1 年前 ·

善良的花卷 · SFGAO (Shobjidl.h) - ...· 1 年前 ·

火爆的凳子 · 执行存储过程报错——ora-01031:权限 ...· 1 年前 ·

腾讯云

开发者社区

文档意见反馈控制台

首页 TVP

文章/答案/技术大牛

发布

#include <boost/regex.hpp>
#include <vector>
#include <string>
int main(int argc, char** argv)
    if (argc < 2) return 0;
    std::vector<std::string> values;
    boost::regex expression(
        //   proto                 host               port
        "^(\?:([^:/\?#]+)://)\?(\\w+[^/\?#:]*)(\?::(\\d+))\?"
        //   path                  file       parameters
        "(/\?(\?:[^\?#/]*/)*)\?([^\?#]*)\?(\\\?(.*))\?"
    std::string src(argv[1]);
    if (boost::regex_split(std::back_inserter(values), src, expression))
        const char* names[] = {"Protocol", "Host", "Port", "Path", "File", 
                "Parameters", NULL};
        for (int i = 0; names[i]; i++)
            printf("%s: %s\n", names[i], values[i].c_str());
    return 0;
}

std::cout << "IP addresses: \n";
boost::asio::io_service io_service;
boost::asio::ip::tcp::resolver resolver(io_service);
boost::asio::ip::tcp::resolver::query query(values[1], "");
for(boost::asio::ip::tcp::resolver::iterator i = resolver.resolve(query);
                            i != boost::asio::ip::tcp::resolver::iterator();
    boost::asio::ip::tcp::endpoint end = *i;
    std::cout << end.address() << ' ';
std::cout << '\n';

~ $ g++ -g -Wall -Wextra -pedantic -Wconversion -ansi -o test test.cc -lboost_regex -lboost_system -lboost_thread
~ $ ./test http://www.google.com:7777
Protocol: http
Host: www.google.com
Port: 7777
Path:

回答 1

Stack Overflow用户