}


    @Override
    public int getInflightRequests () {
        return this.response_map.size();
    }


    @Override
    public boolean isDisconnected () {
        Socket s = this.socket;
        return super.isDisconnected() || s == null || s.isClosed();
    }


    @Override
    public boolean isFailed () {
        Socket s = this.socket;

        return this.credentials;
    }


    /**
     * @return whether the session is connected
     */
    public boolean isConnected () {
        return !this.transport.isDisconnected() && this.connectionState.get() == 2;
    }


    /**
     * @return whether the session has been lost
     */
    public boolean isFailed () {
        return this.transport.isFailed();