UDP Server

#include <iostream>
#include <fstream>

#include <WinSock2.h>
#pragma comment(lib, "ws2_32.lib")

WSADATA m_wsaData;

int main()
{
    if (WSAStartup(MAKEWORD(2, 2), &m_wsaData))
    {
        std::cout << "WSA start failed" << std::endl;
    }
    else
    {
        SOCKET m_socket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
        if (m_socket == INVALID_SOCKET)
        {
            std::cout << "invalid socket" << std::endl;
        }
        else
        {
            sockaddr_in m_sockaddr = { 0 };
            m_sockaddr.sin_family = AF_INET;
            m_sockaddr.sin_port = htons(1337);
            m_sockaddr.sin_addr.s_addr = INADDR_ANY;

            if (bind(m_socket, (SOCKADDR*)& m_sockaddr, sizeof(m_sockaddr)) == SOCKET_ERROR)
            {
                std::cout << "socket bind failed" << std::endl;
            }
            else
            {
                char m_buffer[512];


                sockaddr_in m_sockaddr_from = { 0 };
                int m_socketaddr_from_leng = sizeof(m_sockaddr_from);

                while (42)
                {
                    ZeroMemory(m_buffer,sizeof(m_buffer));
                    int size;

                    if ((size = recvfrom(m_socket, m_buffer, sizeof(m_buffer), NULL, (SOCKADDR*)&m_sockaddr_from, &m_socketaddr_from_leng)) == SOCKET_ERROR)
                    {
                        std::cout << "recv failed" << std::endl;
                    }
                    else
                    {
                        std::cout
                            << (int)m_sockaddr_from.sin_addr.S_un.S_un_b.s_b1 << "."
                            << (int)m_sockaddr_from.sin_addr.S_un.S_un_b.s_b2 << "."
                            << (int)m_sockaddr_from.sin_addr.S_un.S_un_b.s_b3 << "."
                            << (int)m_sockaddr_from.sin_addr.S_un.S_un_b.s_b4 << " -> " <<m_buffer << std::endl;

                        if (sendto(m_socket, m_buffer, size, NULL, (SOCKADDR*)&m_sockaddr_from, m_socketaddr_from_leng) == SOCKET_ERROR)
                        {
                            std::cout << "send failed" << std::endl;
                        }
                    }
                }
            }
        }
    }

    return 0;
}