Method close

lib_acl_cpp/samples/aio/server_timer/main.cpp:46–52

	, i_(0) {}

	void close(void) {
		if (timer_) {
			client_->get_handle().del_timer(timer_);
			timer_ = NULL;
		}
		//client_->close();
	}

protected:
	~io_callback(void) {