void handle_read(const boost::system::error_code& error, size_t nbytes) {
    if (!error) {
        std::stringstream ss;
        ss << &__buffer;

        wss::Request request(ss.str());

        std::string key = request["Sec-WebSocket-Key"];
        std::string encoded_key = wss::util::encode_key(key);

        std::string response = "HTTP/1.1 101 Switching Protocols\r\nUpgrade: websocket\r\nConnection: Upgrade\r\nSec-WebSocket-Accept: ";
        response += encoded_key;
        response += "\r\n\r\n";

        socket_write(response.c_str(), response.size());
    } else {
        std::cout << __address << " dropped" << std::endl;
        __pclients->erase(shared_from_this());
    }
}