ServerClass

#define DEFAULT_PORT "27015"

#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x501 //For getaddr function
#endif
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif

#include <cstring>
#include <winsock2.h>
#include <ws2tcpip.h>
#include <iphlpapi.h>
#include <windows.h>
#include <windowsx.h>
#include <tchar.h>
#include "ServerClass.h"

/*SOCKET ListenSocket = INVALID_SOCKET;
SOCKET ClientSocket = INVALID_SOCKET;
char recvbufx[DEFAULT_BUFLEN];
int recvbuflen;*/
    int ServerClass::CreateServer(HWND hwindz)
    {
        struct addrinfo *result = NULL, *ptr = NULL, hints;
        //int iResult, iSendResult;
        //int recvbuflen = DEFAULT_BUFLEN;
        WSADATA wsaData;

        if(WSAStartup(MAKEWORD(2,2), &wsaData) != 0)
        {
            MessageBox(hwindz, "Network error: Could not initialize socket library!", "Error", MB_OK | MB_ICONERROR);
            return 1;
        }

        ZeroMemory(&hints, sizeof (hints));
        hints.ai_family = AF_INET;
        hints.ai_socktype = SOCK_STREAM;
        hints.ai_protocol = IPPROTO_TCP;
        hints.ai_flags = AI_PASSIVE;

        // Resolve the local address and port to be used by the server
        if (getaddrinfo(NULL, DEFAULT_PORT, &hints, &result) != 0) {
            MessageBox(hwindz, "Network error: Could not resolve the server address!", "Error", MB_OK | MB_ICONERROR);
            WSACleanup();
            return 1;
        }

        // Create a SOCKET for the server to listen for client connections

        ListenSocket = socket(result->ai_family, result->ai_socktype, result->ai_protocol);

        if (ListenSocket == INVALID_SOCKET) {
            MessageBox(hwindz, "Error creating socket!", "Error", MB_OK | MB_ICONERROR);
            //WSAGetLastError()
            freeaddrinfo(result);
            WSACleanup();
            return 1;
        }


        // Setup the TCP listening socket
        if (bind( ListenSocket, result->ai_addr, (int)result->ai_addrlen) == SOCKET_ERROR) {
            MessageBox(hwindz, "Could not bind the socket!", "Error", MB_OK | MB_ICONERROR);
            freeaddrinfo(result);
            closesocket(ListenSocket);
            WSACleanup();
            return 1;
        }

        freeaddrinfo(result);

        if ( listen( ListenSocket, SOMAXCONN ) == SOCKET_ERROR ) {
            MessageBox(hwindz, "Could not listen to the socket!", "Error", MB_OK | MB_ICONERROR);
            closesocket(ListenSocket);
            WSACleanup();
            return 1;
        }

        ClientSocket = INVALID_SOCKET;

        ClientSocket = accept(ListenSocket, NULL, NULL);
        if (ClientSocket == INVALID_SOCKET) {
            MessageBox(hwindz, "Refuses to connect!", "Error", MB_OK | MB_ICONERROR);
            closesocket(ListenSocket);
            WSACleanup();
            return 1;
        }

        return 0;
    }

    int ServerClass::CloseServer()
    {
        closesocket(ClientSocket);
        WSACleanup();
        return 0;
    }

    char* ServerClass::getcbuffer()
    {
        return recvbufx;
    }

    static int ServerClass::listensock()
    {
        if(recv(ClientSocket, recvbufx, recvbuflen, 0) > 0)
        {
            return recvbuflen;
        }
    }