From: Omar Polo <op@omarpolo.com>
Subject: Re: gotwebd log levels
To: Stefan Sperling <stsp@stsp.name>
Cc: gameoftrees@openbsd.org
Date: Sat, 7 Dec 2024 00:24:27 +0100

On 06/12/24 15:46, Stefan Sperling wrote:
> On Fri, Dec 06, 2024 at 03:08:14PM +0100, Omar Polo wrote:
>>> -	log_debug("%s: Allocating %d file descriptors",
>>> +	log_info("%s: Allocating %d file descriptors",
>>>  	    __func__, PRIV_FDS__MAX + GOTWEB_PACK_NUM_TEMPFILES);
>>
>> not so sure about this
> This is for the case where, for whatever reason, someone sees a problem
> with the amount of files opened by the process.
>
>>>  	TAILQ_FOREACH(sock, &gotwebd_env->sockets, entry) {
>>> -		log_debug("%s: configuring socket %d (%d)", __func__,
>>> +		log_info("%s: configuring socket %d (%d)", __func__,
>>>  		    sock->conf.id, sock->fd);
>> why it's useful to show this at info level and not debug?
> Indeed, this is probably not needed since it is redundant with
> the message logged just below:
>
>>> @@ -210,7 +210,7 @@ sockets_launch(void)
>>>  
>>>  		evtimer_set(&sock->pause, sockets_accept_paused, sock);
>>>  
>>> -		log_debug("%s: running socket listener %d", __func__,
>>> +		log_info("%s: running socket listener %d", __func__,
>>>  		    sock->conf.id);
>>>  	}
>>>  
>>> @@ -603,7 +599,7 @@ sockets_rlimit(int maxfd)
>>>  
>>>  	if (getrlimit(RLIMIT_NOFILE, &rl) == -1)
>>>  		fatal("%s: failed to get resource limit", __func__);
>>> -	log_debug("%s: max open files %llu", __func__,
>>> +	log_info("%s: max open files %llu", __func__,
>>>  	    (unsigned long long)rl.rlim_max);
>> same here
> This again is useful to debug problems related to file descriptor limits
> configured on the system.
>
> Regarding socket listener setup, how about this diff

looks good to me; ok op@

> diff /home/stsp/src/got
> path + /home/stsp/src/got
> commit - 569d4e71e7656ad23a5d3ac728981a46950f103a
> blob - bf08e907f6aa6059cac714973e9dd139009154dc
> file + gotwebd/sockets.c
> --- gotwebd/sockets.c
> +++ gotwebd/sockets.c
> @@ -199,14 +199,12 @@ sockets_launch(void)
>  	const struct got_error *error;
>  
>  	TAILQ_FOREACH(sock, &gotwebd_env->sockets, entry) {
> -		log_info("%s: configuring socket %d (%d)", __func__,
> -		    sock->conf.id, sock->fd);
> -
>  		event_set(&sock->ev, sock->fd, EV_READ | EV_PERSIST,
>  		    sockets_socket_accept, sock);
>  
> -		if (event_add(&sock->ev, NULL))
> -			fatalx("event add sock");
> +		if (event_add(&sock->ev, NULL) == -1)
> +			fatal("event_add sock id %d, fd %d",
> +			    sock->conf.id, sock->fd);
>  
>  		evtimer_set(&sock->pause, sockets_accept_paused, sock);
>