diff options
Diffstat (limited to 'sbin')
| -rw-r--r-- | sbin/pfctl/pfctl_qstats.c | 37 |
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); +} |