Ошибка подключения socket error 10061

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On the client side:

1. do not call WSACleanup() before calling connect().
2. You are not doing any error handling on getaddrinfo().
3. you are not setting the ai_flags to match your input values (like AI_NUMERICHOST).
4. you are not freeing the memory that getaddrinfo() returns.
5. you are not taking into account that you are specifying AF_UNSPEC to getaddrinfo() so it may return multiple addresses. You should try to connect to all of them until one succeeds.

Try this instead:

void Base::Connect(string ip, string port)
{
    int status, error;
    SOCKET ConnectSocket = INVALID_SOCKET;
    struct addrinfo hints = {0};
    struct addrinfo *servinfo;  // will point to the results

    hints.ai_family = AF_UNSPEC;     // don't care IPv4 or IPv6
    hints.ai_socktype = SOCK_STREAM; // TCP stream sockets
    hints.ai_flags = AI_NUMERICHOST; // parse an IP address
    //hints.ai_flags |= AI_NUMERICSERV; // parse a port number (not supported on Windows)

    // get ready to connect
    status = getaddrinfo(ip.c_str(), port.c_str(), &hints, &servinfo);
    if (status != 0)
    {
        printf("getaddrinfo error: (%d) %sn", status, gai_strerror(status));
        return;
    }

    addrinfo *addr = servinfo;
    do
    {
        // Socket Setup
        ConnectSocket = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
        if (ConnectSocket == INVALID_SOCKET)
        {
            printf("socket error: %dn", WSAGetLastError());
        }
        else
        {
            // Connect
            if (connect(ConnectSocket, addr->ai_addr, addr->ai_addrlen) != SOCKET_ERROR)
            {
                printf("connected to servern");
                break;
            }

            printf("connect error: %dn", WSAGetLastError());

            closesocket(ConnectSocket);
            ConnectSocket = INVALID_SOCKET;
        }

        addr = addr->ai_next;
    }
    while (addr != NULL);

    freeaddrinfo(servinfo);

    if (ConnectSocket == INVALID_SOCKET)
        printf("unable to connect to servern");
}

On the server side:

1. you are not doing any error handling on socket(), bind() or listen().
2. SO_REUSEADDR has to be enabled before calling bind(), not after. And you are not even enabling it correctly, either.
3. you are not freeing the memory that getaddrinfo() returns.

Try this instead:

int _tmain(int argc, _TCHAR* argv[])
{
    // WINDOWS SETUP
    WSAData wsaData;
    if (WSAStartup(MAKEWORD(2, 0), &wsaData) != 0) 
    {
        fprintf(stderr, "WSAStartup failed.n");
        exit(1);
    }

    // PREPARE TO LAUNCH
    int status;
    struct sockaddr_storage their_addr;
    socklen_t addr_size;
    SOCKET client;

    struct addrinfo hints = {0};
    struct addrinfo *servinfo;  // will point to the results

    hints.ai_family = AF_UNSPEC;     // don't care IPv4 or IPv6
    hints.ai_socktype = SOCK_STREAM; // TCP stream sockets
    hints.ai_flags = AI_PASSIVE;     // fill in my IP for me
    //hints.ai_flags |= AI_NUMERICSERV; // parse a port number (not supported on Windows)

    status = getaddrinfo(NULL, "80", &hints, &servinfo);
    if (status != 0) 
    {
        fprintf(stderr, "getaddrinfo error: (%d) %sn", status, gai_strerror(status));
        getchar();
        exit(1);
    }

    // optional, loop through servinfo creating a separate
    // listening socket for each address reported...

    // GET THE FILE DESCRIPTOR  
    SOCKET mSocket = socket(servinfo->ai_family, servinfo->ai_socktype, servinfo->ai_protocol);
    if (mSocket == INVALID_SOCKET)
    {
        fprintf(stderr, "socket error: %dn", WSAGetLastError());
        freeaddrinfo(servinfo);
        closesocket(mSocket);
        getchar();
        exit(1);
    }

    // lose the pesky "Address already in use" error message
    BOOL yes = TRUE;
    if (setsockopt(mSocket, SOL_SOCKET, SO_REUSEADDR, (char*)&yes, sizeof(yes)) == SOCKET_ERROR)
    {
        fprintf(stderr, "setsockopt error: %dn", WSAGetLastError());
        freeaddrinfo(servinfo);
        closesocket(mSocket);
        getchar();
        exit(1);
    }

    // WHAT PORT AM I ON
    if (bind(mSocket, servinfo->ai_addr, servinfo->ai_addrlen) == SOCKET_ERROR)
    {
        fprintf(stderr, "bind error: %dn", WSAGetLastError());
        freeaddrinfo(servinfo);
        closesocket(mSocket);
        getchar();
        exit(1);
    }

    freeaddrinfo(servinfo);

    int backlog = 2;
    if (listen(mSocket, backlog) == SOCKET_ERROR)
    {
        fprintf(stderr, "listen error: %dn", WSAGetLastError());
        closesocket(mSocket);
        getchar();
        exit(1);
    }

    // SERVER STARTED LISTENING SUCCESFULLY
    printf("Server is listening...n");

    // ACCEPT
    addr_size = sizeof their_addr;
    client = accept(mSocket, (struct sockaddr*)&their_addr, &addr_size);
    if (client == INVALID_SOCKET)
    {
        fprintf(stderr, "accept error: %dn", WSAGetLastError());
    }
    else
    {
        char ip[NI_MAXHOST] = {0};
        char port[NI_MAXSERV] = {0};

        status = getnameinfo((struct sockaddr*)&their_addr, addr_size, ip, NI_MAXHOST, port, NI_MAXSERV, NI_NUMERICHOST | NI_NUMERICSERV);
        if (status == 0)
            printf("Client connected from %s:%sn", ip, port);
        else
            printf("Client connected. getnameinfo error: (%d) %sn", status, gai_strerror(status));

        //...

        closesocket(client);
    }        

    closesocket(mSocket);
    printf("Server ended");

    getchar();

    return 0;
}