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Re: where assign values to rrp->peers->last_cached?

Maxim Dounin
August 31, 2012 04:58AM
Hello!

On Fri, Aug 31, 2012 at 03:27:13AM -0400, lenky0401 wrote:

> Assignment to the variable rrp->peers->last_cached cannot be found in
> anywhere in total nginx-1.3.5 source code, if the variable's default value
> is zero, this conditional will never be true:
>
> ngx_int_t
> ngx_http_upstream_get_round_robin_peer(ngx_peer_connection_t *pc, void
> *data)
> {
> ngx_http_upstream_rr_peer_data_t *rrp = data;
> ...
> if (rrp->peers->last_cached) { ==============>//never be true?
>
> /* cached connection */
>
> c = rrp->peers->cached[rrp->peers->last_cached];
> rrp->peers->last_cached--;
>
> /* ngx_unlock_mutex(ppr->peers->mutex); */
>
> #if (NGX_THREADS)
> c->read->lock = c->read->own_lock;
> c->write->lock = c->write->own_lock;
> #endif
>
> pc->connection = c;
> pc->cached = 1;
>
> return NGX_OK;
> }
> ...
>
> i don't know if i am missing something or not, can anyone help me understand
> this? Thank you in advance.

This code is lefover from earlier incomplete attempts to implement
cached connections. It's not currently used.

Maxim Dounin

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Subject Author Posted

where assign values to rrp->peers->last_cached?

lenky0401 August 31, 2012 03:27AM

Re: where assign values to rrp->peers->last_cached?

Maxim Dounin August 31, 2012 04:58AM



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