I don't understand this patch. It looks like we are no lingering externally
representing ldfactor as a float (e.g.: 2.50). Is that right? If so,
I'm not sure why...

> On Oct 24, 2017, at 6:50 AM, yla...@apache.org wrote:
> 
> Author: ylavic
> Date: Tue Oct 24 10:50:34 2017
> New Revision: 1813167
> 
> URL: http://svn.apache.org/viewvc?rev=1813167&view=rev
> Log:
> mod_proxy_balancer: fix runtime lbfactor value changed in 2.4.28.
> 
> It is assumed to be between 1 and 100 by lbmethods, so normalize it
> accordingly.
> 
> 
> Modified:
>    httpd/httpd/trunk/CHANGES
>    httpd/httpd/trunk/modules/proxy/mod_proxy.c
>    httpd/httpd/trunk/modules/proxy/mod_proxy_balancer.c
> 
> Modified: httpd/httpd/trunk/CHANGES
> URL: 
> http://svn.apache.org/viewvc/httpd/httpd/trunk/CHANGES?rev=1813167&r1=1813166&r2=1813167&view=diff
> ==============================================================================
> --- httpd/httpd/trunk/CHANGES [utf-8] (original)
> +++ httpd/httpd/trunk/CHANGES [utf-8] Tue Oct 24 10:50:34 2017
> @@ -1,6 +1,10 @@
>                                                          -*- coding: utf-8 -*-
> Changes with Apache 2.5.0
> 
> +  *) mod_proxy_balancer: fix runtime lbfactor value changed in 2.4.28. It is
> +     assumed to be between 1 and 100 by lbmethods, so normalize it 
> accordingly.
> +     [Yann Ylavic]
> +
>   *) mod_md: v1.0.1, ServerName/Alias names from pure-http: virtual hosts are 
> no longer
>      auto-added to a Managed Domain. Error counts of jobs are presisted. When 
> the server
>      restarts (gracefully) any errored staging areas are purged to reset the 
> signup/renewal
> 
> Modified: httpd/httpd/trunk/modules/proxy/mod_proxy.c
> URL: 
> http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/mod_proxy.c?rev=1813167&r1=1813166&r2=1813167&view=diff
> ==============================================================================
> --- httpd/httpd/trunk/modules/proxy/mod_proxy.c (original)
> +++ httpd/httpd/trunk/modules/proxy/mod_proxy.c Tue Oct 24 10:50:34 2017
> @@ -104,13 +104,13 @@ static const char *set_worker_param(apr_
> 
>     if (!strcasecmp(key, "loadfactor")) {
>         /* Normalized load factor. Used with BalancerMember,
> -         * it is a number between 1 and 100.
> +         * it is a number between 1 and 100 (or 0.01 and 1.0).
>          */
>         double fval = atof(val);
>         ival = fval * 100.0;
>         if (ival < 100 || ival > 10000)
>             return "LoadFactor must be a number between 1..100";
> -        worker->s->lbfactor = ival;
> +        worker->s->lbfactor = ival / 100;
>     }
>     else if (!strcasecmp(key, "retry")) {
>         /* If set it will give the retry timeout for the worker
> @@ -2883,7 +2883,7 @@ static int proxy_status_hook(request_rec
>                 ap_rvputs(r, ap_proxy_parse_wstatus(r->pool, *worker), NULL);
>                 ap_rvputs(r, "</td><td>", (*worker)->s->route, NULL);
>                 ap_rvputs(r, "</td><td>", (*worker)->s->redirect, NULL);
> -                ap_rprintf(r, "</td><td>%.2f</td>", 
> (float)((*worker)->s->lbfactor)/100.0);
> +                ap_rprintf(r, "</td><td>%d</td>", (*worker)->s->lbfactor);
>                 ap_rprintf(r, "<td>%d</td>", (*worker)->s->lbset);
>                 ap_rprintf(r, "<td>%" APR_SIZE_T_FMT "</td><td>",
>                            (*worker)->s->elected);
> 
> Modified: httpd/httpd/trunk/modules/proxy/mod_proxy_balancer.c
> URL: 
> http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/mod_proxy_balancer.c?rev=1813167&r1=1813166&r2=1813167&view=diff
> ==============================================================================
> --- httpd/httpd/trunk/modules/proxy/mod_proxy_balancer.c (original)
> +++ httpd/httpd/trunk/modules/proxy/mod_proxy_balancer.c Tue Oct 24 10:50:34 
> 2017
> @@ -1093,11 +1093,10 @@ static int balancer_handler(request_rec
>         ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01192) "settings 
> worker params");
> 
>         if ((val = apr_table_get(params, "w_lf"))) {
> -            int ival;
>             double fval = atof(val);
> -            ival = fval * 100.0;
> +            int ival = fval * 100.0;
>             if (ival >= 100 && ival <= 10000) {
> -                wsel->s->lbfactor = ival;
> +                wsel->s->lbfactor = ival / 100;
>                 if (bsel)
>                     recalc_factors(bsel);
>             }
> @@ -1364,8 +1363,8 @@ static int balancer_handler(request_rec
>                           "</httpd:scheme>\n", NULL);
>                 ap_rvputs(r, "          <httpd:hostname>", 
> worker->s->hostname,
>                           "</httpd:hostname>\n", NULL);
> -                ap_rprintf(r, "          
> <httpd:loadfactor>%.2f</httpd:loadfactor>\n",
> -                          (float)(worker->s->lbfactor)/100.0);
> +                ap_rprintf(r, "          
> <httpd:loadfactor>%d</httpd:loadfactor>\n",
> +                           worker->s->lbfactor);
>                 ap_rprintf(r,
>                            "          <httpd:port>%d</httpd:port>\n",
>                            worker->s->port);
> @@ -1418,8 +1417,8 @@ static int balancer_handler(request_rec
>                            "          <httpd:lbstatus>%d</httpd:lbstatus>\n",
>                            worker->s->lbstatus);
>                 ap_rprintf(r,
> -                           "          
> <httpd:loadfactor>%.2f</httpd:loadfactor>\n",
> -                           (float)(worker->s->lbfactor)/100.0);
> +                           "          
> <httpd:loadfactor>%d</httpd:loadfactor>\n",
> +                           worker->s->lbfactor);
>                 ap_rprintf(r,
>                            "          <httpd:transferred>%" APR_OFF_T_FMT 
> "</httpd:transferred>\n",
>                            worker->s->transferred);
> @@ -1605,7 +1604,7 @@ static int balancer_handler(request_rec
>                           NULL);
>                 ap_rvputs(r, "</td><td>",
>                           ap_escape_html(r->pool, worker->s->redirect), NULL);
> -                ap_rprintf(r, "</td><td>%.2f</td>", 
> (float)(worker->s->lbfactor)/100.0);
> +                ap_rprintf(r, "</td><td>%d</td>", worker->s->lbfactor);
>                 ap_rprintf(r, "<td>%d</td><td>", worker->s->lbset);
>                 ap_rvputs(r, ap_proxy_parse_wstatus(r->pool, worker), NULL);
>                 ap_rputs("</td>", r);
> @@ -1640,7 +1639,7 @@ static int balancer_handler(request_rec
>             ap_rputs("<form method='POST' 
> enctype='application/x-www-form-urlencoded' action='", r);
>             ap_rvputs(r, ap_escape_uri(r->pool, action), "'>\n", NULL);
>             ap_rputs("<table><tr><td>Load factor:</td><td><input name='w_lf' 
> id='w_lf' type=text ", r);
> -            ap_rprintf(r, "value='%.2f'></td></tr>\n", 
> (float)(wsel->s->lbfactor)/100.0);
> +            ap_rprintf(r, "value='%d'></td></tr>\n", wsel->s->lbfactor);
>             ap_rputs("<tr><td>LB Set:</td><td><input name='w_ls' id='w_ls' 
> type=text ", r);
>             ap_rprintf(r, "value='%d'></td></tr>\n", wsel->s->lbset);
>             ap_rputs("<tr><td>Route:</td><td><input name='w_wr' id='w_wr' 
> type=text ", r);
> 
> 

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