/* * Copyright (c) 2008-2009 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1989 Stephen Deering * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Stephen Deering of Stanford University. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)mroute.c 8.2 (Berkeley) 4/28/95 */ /* * Print DVMRP multicast routing structures and statistics. * * MROUTING 1.0 */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "netstat.h" void mroutepr(void) { struct mfc **mfctable = 0; struct vif viftable[CONFIG_MAXVIFS]; struct mfc *m; register struct vif *v; register vifi_t vifi; register int i; register int banner_printed; register int saved_nflag; vifi_t maxvif = 0; size_t len; saved_nflag = nflag; nflag = 1; len = CONFIG_MAXVIFS * sizeof(struct vif); if (sysctlbyname("net.inet.ip.viftable", viftable, &len, 0, 0) == -1) { //printf("No IPv4 multicast routing compiled into this system.\n"); return; } banner_printed = 0; for (vifi = 0, v = viftable; vifi < CONFIG_MAXVIFS; ++vifi, ++v) { if (v->v_lcl_addr.s_addr == 0) continue; maxvif = vifi; if (!banner_printed) { printf("\nVirtual Interface Table\n" " Vif Thresh Rate Local-Address " "Remote-Address Pkts-In Pkts-Out\n"); banner_printed = 1; } printf(" %2u %6u %4d %-15.15s", /* opposite math of add_vif() */ vifi, v->v_threshold, v->v_rate_limit * 1000 / 1024, routename(v->v_lcl_addr.s_addr)); printf(" %-15.15s", (v->v_flags & VIFF_TUNNEL) ? routename(v->v_rmt_addr.s_addr) : ""); printf(" %9u %9u\n", v->v_pkt_in, v->v_pkt_out); } if (!banner_printed) printf("\nVirtual Interface Table is empty\n"); if (sysctlbyname("net.inet.ip.mfctable", 0, &len, 0, 0) == -1) { //printf("No IPv4 multicast routing compiled into this system.\n"); return; } mfctable = malloc(len); if (mfctable == 0) return; if (sysctlbyname("net.inet.ip.mfctable", mfctable, &len, 0, 0) == -1) { //printf("No IPv4 multicast routing compiled into this system.\n"); return; } banner_printed = 0; for (i = 0; i < CONFIG_MFCTBLSIZ; ++i) { m = mfctable[i]; while(m) { if (!banner_printed) { printf("\nIPv4 Multicast Forwarding Cache\n" " Origin Group " " Packets In-Vif Out-Vifs:Ttls\n"); banner_printed = 1; } printf(" %-15.15s", routename(m->mfc_origin.s_addr)); printf(" %-15.15s", routename(m->mfc_mcastgrp.s_addr)); printf(" %9u", m->mfc_pkt_cnt); printf(" %3d ", m->mfc_parent); for (vifi = 0; vifi <= maxvif; vifi++) { if (m->mfc_ttls[vifi] > 0) printf(" %u:%u", vifi, m->mfc_ttls[vifi]); } printf("\n"); m = m->mfc_next; } } if (!banner_printed) printf("\nMulticast Routing Table is empty\n"); printf("\n"); nflag = saved_nflag; free(mfctable); } void mrt_stats() { struct mrtstat mrtstat; size_t len = sizeof(struct mrtstat); if(sysctlbyname("net.inet.ip.mrtstat", &mrtstat, &len, 0, 0) == -1) { //printf("No IPv4 multicast routing compiled into this system.\n"); return; } printf("IPv4 multicast forwarding:\n"); printf(" %10u multicast forwarding cache lookup%s\n", mrtstat.mrts_mfc_lookups, plural(mrtstat.mrts_mfc_lookups)); printf(" %10u multicast forwarding cache miss%s\n", mrtstat.mrts_mfc_misses, plurales(mrtstat.mrts_mfc_misses)); printf(" %10u upcall%s to mrouted\n", mrtstat.mrts_upcalls, plural(mrtstat.mrts_upcalls)); printf(" %10u upcall queue overflow%s\n", mrtstat.mrts_upq_ovflw, plural(mrtstat.mrts_upq_ovflw)); printf(" %10u upcall%s dropped due to full socket buffer\n", mrtstat.mrts_upq_sockfull, plural(mrtstat.mrts_upq_sockfull)); printf(" %10u cache cleanup%s\n", mrtstat.mrts_cache_cleanups, plural(mrtstat.mrts_cache_cleanups)); printf(" %10u datagram%s with no route for origin\n", mrtstat.mrts_no_route, plural(mrtstat.mrts_no_route)); printf(" %10u datagram%s arrived with bad tunneling\n", mrtstat.mrts_bad_tunnel, plural(mrtstat.mrts_bad_tunnel)); printf(" %10u datagram%s could not be tunneled\n", mrtstat.mrts_cant_tunnel, plural(mrtstat.mrts_cant_tunnel)); printf(" %10u datagram%s arrived on wrong interface\n", mrtstat.mrts_wrong_if, plural(mrtstat.mrts_wrong_if)); printf(" %10u datagram%s selectively dropped\n", mrtstat.mrts_drop_sel, plural(mrtstat.mrts_drop_sel)); printf(" %10u datagram%s dropped due to queue overflow\n", mrtstat.mrts_q_overflow, plural(mrtstat.mrts_q_overflow)); printf(" %10u datagram%s dropped for being too large\n", mrtstat.mrts_pkt2large, plural(mrtstat.mrts_pkt2large)); }