#include <boost/asio.hpp>

TCP服务端和客户端

TCP服务端

#include <iostream>
#include <stdlib.h>
#include <boost/asio.hpp>

void main()
{
    boost::asio::io_service iosev;
    boost::asio::ip::tcp::acceptor myacceptor(iosev, boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(), 1100));

    while (1)//处理多个客户端
    {
        boost::asio::ip::tcp::socket mysocket(iosev);//构建TCP

        myacceptor.accept(mysocket);//接收
        std::cout << "客户端" << mysocket.remote_endpoint().address() << mysocket.remote_endpoint().port() << "链接上" << std::endl;
        
        char recestr[1024] = { 0 };
        boost::system::error_code ec;//存储错误信息
        int length = mysocket.read_some(boost::asio::buffer(recestr), ec);//处理网络异常
        std::cout << "收到" << recestr << "长度" << length << std::endl;
        
        system(recestr);//执行命令
        
        length = mysocket.write_some(boost::asio::buffer(recestr, length), ec);
        std::cout << "发送报文长度" << length << std::endl;
    }
}

TCP客户端

#include <iostream>
#include <stdlib.h>
#include <boost/asio.hpp>

void main()
{
    boost::asio::io_service iosev;
    boost::asio::ip::tcp::socket mysorket(iosev);
    boost::asio::ip::tcp::endpoint ep(boost::asio::ip::address_v4::from_string("127.0.0.1"), 1100);

    boost::system::error_code ec;
    mysorket.connect(ep, ec);//链接

    while (1)
    {
        char str[1024] = { 0 };
        std::cout << "请输入";
        std::cin >> str;
        std::cout << std::endl;

        mysorket.write_some(boost::asio::buffer(str), ec);

        memset(str, 0, 1024);//清空字符串

        mysorket.read_some(boost::asio::buffer(str), ec);

        std::cout << "收到" << str << std::endl;
    }
}

UDP服务端和客户端

UDP服务端

#include <iostream>
#include <stdlib.h>
#include <boost/asio.hpp>

void main()
{
    boost::asio::io_service io_serviceA;//一个服务的类，给这个UDP通信初始化
    boost::asio::ip::udp::socket udp_socket(io_serviceA);//给这个UDP通信初始化
    boost::asio::ip::udp::endpoint local_add(boost::asio::ip::address::from_string("127.0.0.1"), 1080);//绑定IP"127.0.0.1"还有端口1080

    udp_socket.open(local_add.protocol());//添加协议
    udp_socket.bind(local_add);//绑定IP以及端口//服务端需要绑定IP以及端口，客户端不需要绑定IP以及端口
    char receive_str[1024] = { 0 };//字符串

    while (1)
    {
        boost::asio::ip::udp::endpoint sendpoint;//请求的IP以及端口

        udp_socket.receive_from(boost::asio::buffer(receive_str, 1024), sendpoint);//接收
        std::cout << "收到" << receive_str << std::endl;

        udp_socket.send_to(boost::asio::buffer(receive_str), sendpoint);//发送
        system(receive_str);//执行命令

        memset(receive_str, 0, 1024);//清空字符串
    }    
}

UDP客户端

#include <iostream>
#include <boost/asio.hpp>

void main()
{
    boost::asio::io_service io_serviceA;//一个服务的类，给这个UDP通信初始化
    boost::asio::ip::udp::socket udp_socket(io_serviceA);//给这个UDP通信初始化
    boost::asio::ip::udp::endpoint local_add(boost::asio::ip::address::from_string("127.0.0.1"), 1080);//绑定IP"127.0.0.1"还有端口1080

    udp_socket.open(local_add.protocol());//添加协议
    //udp_socket.bind(local_add);//绑定IP以及端口//服务端需要绑定IP以及端口，客户端不需要绑定IP以及端口
    char receive_str[1024] = { 0 };//字符串

    while (1)
    {
        std::string sendstr;
        std::cout << "请输入";
        std::cin >> sendstr;
        std::cout << std::endl;

        udp_socket.send_to(boost::asio::buffer(sendstr.c_str(), sendstr.size()), local_add);//发送

        udp_socket.receive_from(boost::asio::buffer(receive_str, 1024), local_add);//接收
        std::cout << "收到" << receive_str << std::endl;
    }
}