asio 广播代码示例

代码网络收集 修改了一个编译的小问题

客户端

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// Client.cpp : 定义控制台应用程序的入口点。 //   #include "stdafx.h" #include <iostream>   #include <boost/asio.hpp>   int main() {     namespace ip = boost::asio::ip;     boost::asio::io_service io_service;       // Client binds to any address on port 8888 (the same port on which     // broadcast data is sent from server).     ip::udp::socket socket(io_service,         ip::udp::endpoint(ip::udp::v4(), 8888));       ip::udp::endpoint sender_endpoint;       // Receive data.     //boost::array<char, 4> buffer;     char buf[500] = { 0 };     std::size_t bytes_transferred =         socket.receive_from(boost::asio::buffer(buf), sender_endpoint);       std::cout << "got " << bytes_transferred << " bytes." <<  buf <<std::endl; }

　　服务端

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// Server.cpp : 定义控制台应用程序的入口点。 //   #include "stdafx.h" #include <boost/asio.hpp>   int main() {     namespace ip = boost::asio::ip;     boost::asio::io_service io_service;       // Server binds to any address and any port.     ip::udp::socket socket(io_service,         ip::udp::endpoint(ip::udp::v4(), 0));     socket.set_option(boost::asio::socket_base::broadcast(true));       // Broadcast will go to port 8888.     ip::udp::endpoint broadcast_endpoint(ip::address_v4::broadcast(), 8888);       // Broadcast data.     //boost::array<char, 4> buffer;     char* buf = "测试代码";     socket.send_to(boost::asio::buffer(buf,strlen(buf)+1), broadcast_endpoint); }