bring in 3 yet unused helper functions before I lose 'em again

1 files changed, 36 insertions, 1 deletions

diff --git a/sbin/pfctl/pfctl_qstats.c b/sbin/pfctl/pfctl_qstats.c
index 1bb690de29c..e25925b289e 100644
--- a/sbin/pfctl/pfctl_qstats.c
+++ b/sbin/pfctl/pfctl_qstats.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pfctl_qstats.c,v 1.7 2003/01/10 08:03:28 henning Exp $ */
+/*	$OpenBSD: pfctl_qstats.c,v 1.8 2003/01/24 08:54:09 henning Exp $ */
 
 /*
  * Copyright (c) 2003 Henning Brauer
@@ -84,6 +84,10 @@ void			 pfctl_free_altq_node(struct pf_altq_node *);
 void			 pfctl_print_altq_nodestat(int,
 			    const struct pf_altq_node *);
 
+double	calc_interval(struct timeval *, struct timeval *);
+double	calc_rate(u_int64_t, u_int64_t, double);
+double	calc_pps(u_int64_t, u_int64_t, double);
+
 int
 pfctl_show_altq(int dev, int verbose)
 {
@@ -285,3 +289,34 @@ pfctl_free_altq_node(struct pf_altq_node *node)
 		free(prev);
 	}
 }
+
+/* calculate interval in sec */
+double
+calc_interval(struct timeval *cur_time, struct timeval *last_time)
+{
+	double	sec;
+
+	sec = (double)(cur_time->tv_sec - last_time->tv_sec) +
+	    (double)(cur_time->tv_usec - last_time->tv_usec) / 1000000;
+	return (sec);
+}
+
+/* calculate rate in bps */
+double
+calc_rate(u_int64_t new_bytes, u_int64_t last_bytes, double interval)
+{
+	double	rate;
+
+	rate = (double)(new_bytes - last_bytes) * 8 / interval;
+	return (rate);
+}
+
+/* calculate packets in second */
+double
+calc_pps(u_int64_t new_pkts, u_int64_t last_pkts, double interval)
+{
+	double	pps;
+
+	pps = (double)(new_pkts - last_pkts) / interval;
+	return (pps);
+}