client WInSocks2

// This should be placed before #include <Windows.h> if the windows include is used
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif

#include <cstdio>

#include <Windows.h>
#include <WinSock2.h>
#include <WS2tcpip.h>

/// TEST CODE /// REMOVE AFTER TESTING WAS DONE ///
int main()
{
    WSADATA wsaData;
    int iResult;

    iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);
    if (iResult != 0)
    {
        printf("WSAStartup failed: %d\n", iResult);
        return 1;
    }

    struct addrinfo* result = NULL, * ptr = NULL, hints;

    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
    iResult = getaddrinfo("109.xxx.xxx.xxx", "1337", &hints, &result);
    if (iResult != 0)
    {
        printf("getaddrinfo failed: %d\n", iResult);
        WSACleanup();
        return 1;
    }

    SOCKET ConnectSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);

    if (ConnectSocket == INVALID_SOCKET)
    {
        printf("Error at socket(): %ld\n", WSAGetLastError());
        freeaddrinfo(result);
        WSACleanup();
    }

    iResult = connect(ConnectSocket, result->ai_addr, (int)result->ai_addrlen);
    if (iResult == SOCKET_ERROR)
    {
        closesocket(ConnectSocket);
        ConnectSocket = INVALID_SOCKET;
    }

    // Should really try the next address returned by getaddrinfo
    // if the connect call failed
    // But for this simple example we just free the resources
    // returned by getaddrinfo and print an error message

    freeaddrinfo(result);

    if (ConnectSocket == INVALID_SOCKET)
    {
        printf("Unable to connect to server!\n");
        WSACleanup();
        return 1;
    }



    #define DEFAULT_BUFLEN 512

    int recvbuflen = DEFAULT_BUFLEN;

    const char* sendbuf = "this is a test";
    char recvbuf[DEFAULT_BUFLEN];

    // Send an initial buffer
    iResult = send(ConnectSocket, sendbuf, (int)strlen(sendbuf), 0);
    if (iResult == SOCKET_ERROR)
    {
        printf("send failed: %d\n", WSAGetLastError());
        closesocket(ConnectSocket);
        WSACleanup();
        return 1;
    }

    printf("Bytes Sent: %ld\n", iResult);

    // shutdown the connection for sending since no more data will be sent
    // the client can still use the ConnectSocket for receiving data
    iResult = shutdown(ConnectSocket, SD_SEND);
    if (iResult == SOCKET_ERROR)
    {
        printf("shutdown failed: %d\n", WSAGetLastError());
        closesocket(ConnectSocket);
        WSACleanup();
        return 1;
    }

    // Receive data until the server closes the connection
    do
    {
        iResult = recv(ConnectSocket, recvbuf, recvbuflen, 0);
        if (iResult > 0)
            printf("Bytes received: %d\n", iResult);
        else if (iResult == 0)
            printf("Connection closed\n");
        else
            printf("recv failed: %d\n", WSAGetLastError());
    }
    while (iResult > 0);

    closesocket(ConnectSocket);
    WSACleanup();
}