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#include "stdafx.h" #include <iostream> #include <boost/asio.hpp> #include <boost/bind.hpp>using namespace std; using namespace boost::asio::ip;#define BUFFER_SIZE (16 * 1024)class UDPServer { public:UDPServer(boost::asio::io_service &ios, int port);void doReceive(const boost::system::error_code& error, size_t bytesRecvd);static udp::socket* getUDPServersocket();inline void listen() {memset(bufferedData, 0, BUFFER_SIZE);socket.async_receive_from(boost::asio::buffer(bufferedData, BUFFER_SIZE), clientPoint,boost::bind(&UDPServer::doReceive, this, boost::asio::placeholders::error,boost::asio::placeholders::bytes_transferred));std::cout << "listening ...."<<std::endl;}private:int sport;udp::socket socket;static udp::socket* psocket;udp::endpoint clientPoint;char bufferedData[BUFFER_SIZE]; };udp::socket* UDPServer::psocket = NULL; UDPServer::UDPServer(boost::asio::io_service &ios, int port) : socket(ios, udp::endpoint(udp::v4(), port)) {psocket = &socket;listen(); }void UDPServer::doReceive(const boost::system::error_code& error, size_t bytesRecvd) {cout << "received from<" << clientPoint.address().to_string() << ":" << clientPoint.port() << ">" << endl;cout << endl;listen(); }udp::socket* UDPServer::getUDPServersocket() {return psocket; }int main() {boost::asio::io_service ios;UDPServer tUDPServer(ios,10038);ios.run();return 0; }

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