1193323Sed/* $NetBSD: qdisc_fifoq.c,v 1.4 2006/10/12 19:59:13 peter Exp $ */ 2193323Sed/* $KAME: qdisc_fifoq.c,v 1.6 2002/11/08 06:36:18 kjc Exp $ */ 3193323Sed/* 4193323Sed * Copyright (C) 1999-2000 5193323Sed * Sony Computer Science Laboratories, Inc. All rights reserved. 6193323Sed * 7193323Sed * Redistribution and use in source and binary forms, with or without 8193323Sed * modification, are permitted provided that the following conditions 9193323Sed * are met: 10193323Sed * 1. Redistributions of source code must retain the above copyright 11193323Sed * notice, this list of conditions and the following disclaimer. 12193323Sed * 2. Redistributions in binary form must reproduce the above copyright 13193323Sed * notice, this list of conditions and the following disclaimer in the 14193323Sed * documentation and/or other materials provided with the distribution. 15193323Sed * 16193323Sed * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND 17193323Sed * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18193323Sed * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19193323Sed * ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE 20193323Sed * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21193323Sed * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22193323Sed * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23193323Sed * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24193323Sed * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25193323Sed * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26193323Sed * SUCH DAMAGE. 27198090Srdivacky */ 28193323Sed 29193323Sed#include <sys/param.h> 30193323Sed#include <sys/ioctl.h> 31193323Sed#include <sys/time.h> 32198090Srdivacky#include <sys/socket.h> 33193323Sed#include <net/if.h> 34193323Sed#include <netinet/in.h> 35193323Sed#include <altq/altq.h> 36193323Sed#include <altq/altq_fifoq.h> 37193323Sed 38193323Sed#include <stdio.h> 39193323Sed#include <stdlib.h> 40193323Sed#include <unistd.h> 41193323Sed#include <string.h> 42193323Sed#include <signal.h> 43193323Sed#include <errno.h> 44193323Sed#include <err.h> 45193323Sed 46193323Sed#include "altqstat.h" 47193323Sed 48193323Sedvoid 49202878Srdivackyfifoq_stat_loop(int fd, const char *ifname, int count, int interval) 50202878Srdivacky{ 51202878Srdivacky struct fifoq_getstats get_stats; 52202878Srdivacky struct timeval cur_time, last_time; 53202878Srdivacky u_int64_t last_bytes; 54193323Sed double sec; 55193323Sed int cnt = count; 56193323Sed sigset_t omask; 57193323Sed 58193323Sed strlcpy(get_stats.iface.fifoq_ifname, ifname, 59193323Sed sizeof(get_stats.iface.fifoq_ifname)); 60198892Srdivacky 61193323Sed gettimeofday(&last_time, NULL); 62193323Sed last_time.tv_sec -= interval; 63193323Sed last_bytes = 0; 64193323Sed 65193323Sed for (;;) { 66193323Sed if (ioctl(fd, FIFOQ_GETSTATS, &get_stats) < 0) 67193323Sed err(1, "ioctl FIFOQ_GETSTATS"); 68193323Sed 69193323Sed gettimeofday(&cur_time, NULL); 70193323Sed sec = calc_interval(&cur_time, &last_time); 71193323Sed 72193323Sed printf(" q_len:%d q_limit:%d period:%u\n", 73193323Sed get_stats.q_len, get_stats.q_limit, get_stats.period); 74193323Sed printf(" xmit:%llu pkts (%llu bytes) drop:%llu pkts (%llu bytes)\n", 75193323Sed (ull)get_stats.xmit_cnt.packets, 76193323Sed (ull)get_stats.xmit_cnt.bytes, 77193323Sed (ull)get_stats.drop_cnt.packets, 78193323Sed (ull)get_stats.drop_cnt.bytes); 79193323Sed printf(" throughput: %sbps\n", 80193323Sed rate2str(calc_rate(get_stats.xmit_cnt.bytes, 81193323Sed last_bytes, sec))); 82193323Sed 83193323Sed last_bytes = get_stats.xmit_cnt.bytes; 84193323Sed last_time = cur_time; 85193323Sed 86193323Sed if (count != 0 && --cnt == 0) 87193323Sed break; 88193323Sed 89193323Sed /* wait for alarm signal */ 90193323Sed if (sigprocmask(SIG_BLOCK, NULL, &omask) == 0) 91193323Sed sigsuspend(&omask); 92193323Sed } 93193323Sed} 94193323Sed