问C++ WINSOCK在“攻击”后停止接受连接

EN

bool serverIsOn = true;
double listen = tcplisten(12345, 30000, 1);
setnagle(listen, true);

...

while(serverIsOn){
    double playerSocket = tcpaccept(listen, 1);
    if(playerSocket > -1){
        cout << "Got a new connection, socket ID: " << playerSocket << endl;

        //add their sockID to list here!
        addSockIDToList(playerSocket);

    }

    //Loop through list of socks and parse their messages here..
    //If their message size == 0, we close their socket via closesocket(sockID);
    loopThroughSocketIdsAndCloseOnLeave();
}

cout << "Finished!" << endl;

double tcplisten(int port, int max, int mode)
{
    CSocket* sock = new CSocket();
    if(sock->tcplisten(port, max, mode))
        return AddSocket(sock);
    delete sock;
    return -1;
}

double tcpaccept(int sockid, int mode)
{
    CSocket*sock = (CSocket*)sockets.item(sockid);
    if(sock == NULL)return -1;
    CSocket*sock2 = sock->tcpaccept(mode);
    if(sock2 != NULL)return AddSocket(sock2);
    return -1;
}

...

CSocket::CSocket(SOCKET sock)
{
    sockid = sock;
    udp = false;
    format = 0;
}

bool CSocket::tcplisten(int port, int max, int mode)
{
    if((sockid = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) == INVALID_SOCKET) return false;
    SOCKADDR_IN addr;
    addr.sin_family = AF_INET;
    addr.sin_addr.s_addr = INADDR_ANY;
    addr.sin_port = htons(port);
    if(mode)setsync(1);
    if(bind(sockid, (LPSOCKADDR)&addr, sizeof(SOCKADDR_IN)) == SOCKET_ERROR)
    {
        closesocket(sockid);
        return false;
    }
    if(listen(sockid, max) == SOCKET_ERROR)
    {
        closesocket(sockid);
        sockid = INVALID_SOCKET;
        return false;
    }
    return true;
}


CSocket* CSocket::tcpaccept(int mode)
{
    if(sockid == INVALID_SOCKET) return NULL;
    SOCKET sock2;
    if((sock2 = accept(sockid, (SOCKADDR *)&SenderAddr, &SenderAddrSize)) != INVALID_SOCKET)
    {
        //This does NOT get output after that 1000-'attack' test.
        std::cout << "Accepted new connection!" << std::endl;
        CSocket*sockit = new CSocket(sock2);
        if(mode >=1)sockit->setsync(1);
        return sockit;
    }

    return NULL;
}