89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/*-
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* Copyright (c) 2014 Gleb Smirnoff <glebius@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <net/flowtable.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include "netstat.h"
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/*
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* Print flowtable statistics.
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*/
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static void
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print_stats(struct flowtable_stat *stat)
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{
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#define p(f, m) if (stat->f || sflag <= 1) \
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printf(m, (uintmax_t)stat->f, plural(stat->f))
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#define p2(f, m) if (stat->f || sflag <= 1) \
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printf(m, (uintmax_t)stat->f, plurales(stat->f))
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p(ft_lookups, "\t%ju lookup%s\n");
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p(ft_hits, "\t%ju hit%s\n");
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p2(ft_misses, "\t%ju miss%s\n");
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p(ft_inserts, "\t%ju insert%s\n");
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p(ft_collisions, "\t%ju collision%s\n");
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p(ft_free_checks, "\t%ju free check%s\n");
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p(ft_frees, "\t%ju free%s\n");
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p(ft_fail_lle_invalid,
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"\t%ju lookup%s with not resolved Layer 2 address\n");
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#undef p2
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#undef p
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}
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void
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flowtable_stats(void)
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{
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struct flowtable_stat stat;
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if (!live)
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return;
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if (fetch_stats("net.flowtable.ip4.stat", 0, &stat,
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sizeof(stat), NULL) == 0) {
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printf("flowtable for IPv4:\n");
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print_stats(&stat);
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}
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if (fetch_stats("net.flowtable.ip6.stat", 0, &stat,
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sizeof(stat), NULL) == 0) {
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printf("flowtable for IPv6:\n");
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print_stats(&stat);
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}
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}
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