Re: json_cmd_assoc and cmd

[Jeremy Sowden <jeremy@azazel.net>]

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On 2019-07-16, at 21:39:03 +0200, Pablo Neira Ayuso wrote:
> BTW, not directly related to this, but isn't this strange?
>
>         list_for_each_entry(cmd, cmds, list) {
>                 memset(&ctx, 0, sizeof(ctx));
>                 ctx.msgs = msgs;
>                 ctx.seqnum = cmd->seqnum = mnl_seqnum_alloc(&seqnum);
>                 ctx.batch = batch;
>                 ctx.nft = nft;
>                 init_list_head(&ctx.list);
>                 ret = do_command(&ctx, cmd);
>                 ...
>
> ctx is reset over and over again. Then, recycled here:
>
>                 ret = mnl_batch_talk(&ctx, &err_list, num_cmds);
>
> I wonder if we can get this better.

Something like this?

        ...
	struct netlink_ctx ctx = { .msgs = msgs, .nft = nft };
        ...

	ctx.batch = batch = mnl_batch_init();
	batch_seqnum = mnl_batch_begin(batch, mnl_seqnum_alloc(&seqnum));
	list_for_each_entry(cmd, cmds, list) {
		ctx.seqnum = cmd->seqnum = mnl_seqnum_alloc(&seqnum);
		init_list_head(&ctx.list);
		ret = do_command(&ctx, cmd);
		...
	}

J.

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