1 /* $NetBSD: qdisc_priq.c,v 1.6 2006/10/28 11:43:02 peter Exp $ */ 2 /* $KAME: qdisc_priq.c,v 1.6 2003/07/10 12:09:38 kjc Exp $ */ 3 /* 4 * Copyright (C) 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_priq.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 "quip_client.h" 47 #include "altqstat.h" 48 49 void 50 priq_stat_loop(int fd, const char *ifname, int count, int interval) 51 { 52 struct priq_classstats stats1[PRIQ_MAXPRI], stats2[PRIQ_MAXPRI]; 53 char clnames[PRIQ_MAXPRI][128]; 54 struct priq_class_stats get_stats; 55 struct priq_classstats *sp, *lp, *new, *last, *tmp; 56 struct timeval cur_time, last_time; 57 int i; 58 double sec; 59 int cnt = count; 60 sigset_t omask; 61 62 strlcpy(get_stats.iface.ifname, ifname, 63 sizeof(get_stats.iface.ifname)); 64 new = &stats1[0]; 65 last = &stats2[0]; 66 67 /* invalidate class handles */ 68 for (i=0; i<PRIQ_MAXPRI; i++) 69 last[i].class_handle = PRIQ_NULLCLASS_HANDLE; 70 71 for (;;) { 72 get_stats.stats = new; 73 get_stats.maxpri = PRIQ_MAXPRI; 74 if (ioctl(fd, PRIQ_GETSTATS, &get_stats) < 0) 75 err(1, "ioctl PRIQ_GETSTATS"); 76 77 gettimeofday(&cur_time, NULL); 78 sec = calc_interval(&cur_time, &last_time); 79 80 printf("\n%s:\n", ifname); 81 82 for (i = get_stats.maxpri; i >= 0; i--) { 83 sp = &new[i]; 84 lp = &last[i]; 85 86 if (sp->class_handle == PRIQ_NULLCLASS_HANDLE) 87 continue; 88 89 if (sp->class_handle != lp->class_handle) { 90 quip_chandle2name(ifname, sp->class_handle, 91 clnames[i], sizeof(clnames[0])); 92 } 93 94 printf("[%s] handle:%#x pri:%d\n", 95 clnames[i], sp->class_handle, i); 96 if (lp->class_handle != PRIQ_NULLCLASS_HANDLE) { 97 printf(" measured: %sbps qlen:%2d period:%u\n", 98 rate2str(calc_rate(sp->xmitcnt.bytes, 99 lp->xmitcnt.bytes, sec)), 100 sp->qlength, sp->period); 101 } 102 printf(" packets:%llu (%llu bytes) drops:%llu\n", 103 (ull)sp->xmitcnt.packets, 104 (ull)sp->xmitcnt.bytes, 105 (ull)sp->dropcnt.packets); 106 if (sp->qtype == Q_RED) 107 print_redstats(sp->red); 108 else if (sp->qtype == Q_RIO) 109 print_riostats(sp->red); 110 } 111 112 /* swap the buffer pointers */ 113 tmp = last; 114 last = new; 115 new = tmp; 116 117 last_time = cur_time; 118 119 if (count != 0 && --cnt == 0) 120 break; 121 122 /* wait for alarm signal */ 123 if (sigprocmask(SIG_BLOCK, NULL, &omask) == 0) 124 sigsuspend(&omask); 125 } 126 } 127