[PATCH] upstream keepalive: save and restore connection data

[Maxim Dounin]

Hello!

On Sat, Apr 30, 2022 at 10:03:42AM +0500, RekGRpth wrote:

> # HG changeset patch
> # User RekGRpth <rekgrpth at gmail.com>
> # Date 1651294527 -18000
> #      Sat Apr 30 09:55:27 2022 +0500
> # Node ID 7b38618adf6317fc268315b8134a5e2b1bc96269
> # Parent  a736a7a613ea6e182ff86fbadcb98bb0f8891c0b
> upstream keepalive: save and restore connection data
> 
> save connection data before keep it
> and
> restore connection data after yuild it
> 
> diff -r a736a7a613ea -r 7b38618adf63 src/http/modules/ngx_http_upstream_keepalive_module.c
> --- a/src/http/modules/ngx_http_upstream_keepalive_module.c	Tue Feb 08 17:35:27 2022 +0300
> +++ b/src/http/modules/ngx_http_upstream_keepalive_module.c	Sat Apr 30 09:55:27 2022 +0500
> @@ -34,6 +34,8 @@
>      socklen_t                          socklen;
>      ngx_sockaddr_t                     sockaddr;
>  
> +    void                              *data;
> +
>  } ngx_http_upstream_keepalive_cache_t;
>  
>  
> @@ -284,7 +286,7 @@
>  
>      c->idle = 0;
>      c->sent = 0;
> -    c->data = NULL;
> +    c->data = item->data;
>      c->log = pc->log;
>      c->read->log = pc->log;
>      c->write->log = pc->log;
> @@ -390,6 +392,7 @@
>      c->write->handler = ngx_http_upstream_keepalive_dummy_handler;
>      c->read->handler = ngx_http_upstream_keepalive_close_handler;
>  
> +    item->data = c->data;
>      c->data = item;
>      c->idle = 1;
>      c->log = ngx_cycle->log;

Thanks for the patch.

You may want to be more specific on what problem you are trying to 
solve by this patch.

-- 
Maxim Dounin
http://mdounin.ru/