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Re: [nocol-users] auto-updat
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why not just use a "if defined" on the hash, and don't re-init it if
it's already there.
On Tue, 1 Dec 1998, steve rader wrote:
> > From: Steve Mickeler
> > Is there a way to get nocol to auto-detect any changed in the config files
> > such as portmon-confg or ippingmon-confg so it can start/stop monitoring
> > new stuff as needed ?
>
> I did some work on "reconfig ippingmon with kill -HUP"
> fix recently. Patches for v4.2beta5 are enclosed fwiw.
>
> Note well: my #define __USE_BSD_SIGNAL is a bone-headed
> linux specific hack that should be made portable!
>
> But even worse, these patches don't "intelligently" restart
> ippingmon: doing a kill -HUP with variables at the critical
> level causes the variables to go back to the warning level.
> This, in turn, causes problems with my up/down reporting
> with doing really frequent reconfigurations with large
> polling intervals.
>
> So it would be wonderful if someone would solve this
> problem by writing reinit_sites() or somesuch for pingmon.
> I'll probably do it (some day this spring?) if no one
> else does.
>
> steve
> -- -- -- --
> Steve Rader
> Systems and Network Manager
> WiscNet--Internetworking for Wisconsin
> rader@wiscnet.net
> bash: syntax error near unexpected token `=:)'
>
> -- cut here --
> *** lib/misc.c.orig Thu Mar 20 23:04:02 1997
> --- lib/misc.c Tue Nov 10 14:49:55 1998
> ***************
> *** 36,41 ****
> --- 36,42 ----
> #include "nocol.h"
>
> #include <stdio.h>
> + #define __USE_BSD_SIGNAL
> #include <signal.h> /* signal numbers */
> #include <sys/file.h>
> #include <errno.h>
> ***************
> *** 50,56 ****
> nocol_startup(pconfigfile, pdatafile)
> char **pconfigfile, **pdatafile;
> {
> ! void nocol_done(), usr1_handler();
> char *s ;
>
> if ((s = (char *)strrchr(prognm, '/')) != NULL)
> --- 51,57 ----
> nocol_startup(pconfigfile, pdatafile)
> char **pconfigfile, **pdatafile;
> {
> ! void nocol_done(), usr1_handler(), nocol_reload();
> char *s ;
>
> if ((s = (char *)strrchr(prognm, '/')) != NULL)
> ***************
> *** 101,113 ****
> bsdsignal (SIGQUIT, nocol_done);
> bsdsignal (SIGTERM, nocol_done);
> bsdsignal (SIGINT, nocol_done);
> ! bsdsignal (SIGHUP, nocol_done);
> bsdsignal (SIGUSR1, usr1_handler);
> #else
> signal (SIGQUIT, nocol_done); /* Delete pid/data file while dying */
> signal (SIGTERM, nocol_done);
> signal (SIGINT, nocol_done);
> ! signal (SIGHUP, nocol_done);
> signal (SIGUSR1, usr1_handler); /* toggles debug */
> #endif
>
> --- 102,114 ----
> bsdsignal (SIGQUIT, nocol_done);
> bsdsignal (SIGTERM, nocol_done);
> bsdsignal (SIGINT, nocol_done);
> ! bsdsignal (SIGHUP, nocol_reload);
> bsdsignal (SIGUSR1, usr1_handler);
> #else
> signal (SIGQUIT, nocol_done); /* Delete pid/data file while dying */
> signal (SIGTERM, nocol_done);
> signal (SIGINT, nocol_done);
> ! signal (SIGHUP, nocol_reload);
> signal (SIGUSR1, usr1_handler); /* toggles debug */
> #endif
>
> -- cut here --
>
> -- cut here --
> *** pingmon/pingmon.c.orig Mon Mar 31 00:25:22 1997
> --- pingmon/pingmon.c Tue Nov 10 15:01:13 1998
> ***************
> *** 37,42 ****
> --- 37,43 ----
>
> #include <string.h> /* For strcat() definitions */
> #include <sys/file.h>
> + #define __USE_BSD_SIGNAL
> #include <signal.h> /* For signal numbers */
>
> /*+
> ***************
> *** 197,202 ****
> --- 198,207 ----
> char record[MAXLINE];
> struct tm *loctime ;
> time_t locclock ; /* Careful, don't use 'long' */
> +
> + if (debug) {
> + fprintf(stderr, "reading config file\n");
> + }
>
> if ((p_nodes = fopen(configfile, "r")) == NULL)
> {
> ***************
> *** 278,284 ****
> --- 283,300 ----
>
> } /* end: while */
> fclose (p_nodes); /* Not needed any more */
> + if (debug) {
> + fprintf(stderr, "done reading config file\n");
> + }
> return(1); /* All OK */
>
> } /* end: init_sites() */
> +
> + nocol_reload ( ) {
> + int fdout = 0; /* File desc for output data file */
> + if (debug) { fprintf(stderr,"cought HUP... reloading...\n"); }
> + fdout = open(datafile, O_RDWR|O_CREAT|O_TRUNC, DATAFILE_MODE);
> + init_sites(fdout, configfile);
> + return(1);
> + }
>
> -- cut here --
>
Thank you,
Jonathan A. Zdziarski
Sr. Systems Administrator
Netrail, inc.
888.NET.RAIL x240
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