1/* $NetBSD: qdisc_fifoq.c,v 1.4 2006/10/12 19:59:13 peter Exp $ */ 2/* $KAME: qdisc_fifoq.c,v 1.6 2002/11/08 06:36:18 kjc Exp $ */ 3/* 4 * Copyright (C) 1999-2000 5 * Sony Computer Science Laboratories, Inc. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#include <sys/param.h> 30#include <sys/ioctl.h> 31#include <sys/time.h> 32#include <sys/socket.h> 33#include <net/if.h> 34#include <netinet/in.h> 35#include <altq/altq.h> 36#include <altq/altq_fifoq.h> 37 38#include <stdio.h> 39#include <stdlib.h> 40#include <unistd.h> 41#include <string.h> 42#include <signal.h> 43#include <errno.h> 44#include <err.h> 45 46#include "altqstat.h" 47 48void 49fifoq_stat_loop(int fd, const char *ifname, int count, int interval) 50{ 51 struct fifoq_getstats get_stats; 52 struct timeval cur_time, last_time; 53 u_int64_t last_bytes; 54 double sec; 55 int cnt = count; 56 sigset_t omask; 57 58 strlcpy(get_stats.iface.fifoq_ifname, ifname, 59 sizeof(get_stats.iface.fifoq_ifname)); 60 61 gettimeofday(&last_time, NULL); 62 last_time.tv_sec -= interval; 63 last_bytes = 0; 64 65 for (;;) { 66 if (ioctl(fd, FIFOQ_GETSTATS, &get_stats) < 0) 67 err(1, "ioctl FIFOQ_GETSTATS"); 68 69 gettimeofday(&cur_time, NULL); 70 sec = calc_interval(&cur_time, &last_time); 71 72 printf(" q_len:%d q_limit:%d period:%u\n", 73 get_stats.q_len, get_stats.q_limit, get_stats.period); 74 printf(" xmit:%llu pkts (%llu bytes) drop:%llu pkts (%llu bytes)\n", 75 (ull)get_stats.xmit_cnt.packets, 76 (ull)get_stats.xmit_cnt.bytes, 77 (ull)get_stats.drop_cnt.packets, 78 (ull)get_stats.drop_cnt.bytes); 79 printf(" throughput: %sbps\n", 80 rate2str(calc_rate(get_stats.xmit_cnt.bytes, 81 last_bytes, sec))); 82 83 last_bytes = get_stats.xmit_cnt.bytes; 84 last_time = cur_time; 85 86 if (count != 0 && --cnt == 0) 87 break; 88 89 /* wait for alarm signal */ 90 if (sigprocmask(SIG_BLOCK, NULL, &omask) == 0) 91 sigsuspend(&omask); 92 } 93} 94