epoll+lua単純ゲームサーバ(二)

/**       */
long now()
{
	struct timeval t;
	gettimeofday(&t, NULL);
	return t.tv_sec * 1000 + t.tv_usec / 1000;
}

/**           epoll  , common：        （     sock）*/
void add_fd(int fd, boolean common)
{
	if(common)
	{
		int idx;
                //       （NULL）
		for(idx = 0; idx < MAX_CLIENT && clients[idx] != NULL; idx++);
		if(idx == MAX_CLIENT)
		{
			fprintf(stderr, "max client
");
			close(fd);
			return;
		}

		client_data *client = malloc(sizeof(client_data));
		bzero(client, sizeof(client_data));
		client->fd = fd;
		client->last = now(); //        
		clients[fds[fd] = idx] = client;  //    
	}

	struct epoll_event e;
	e.data.fd = fd;
	e.events = EPOLLIN | EPOLLET;
	fcntl(fd, F_SETFL, fcntl(fd, F_GETFL) | O_NONBLOCK);
	epoll_ctl(epollfd, EPOLL_CTL_ADD, fd, &e);
}