#include <sys/param.h>
#include <sys/queue.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/mbuf.h>
#include <sys/time.h>
#include <sys/sysctl.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/igmp.h>
#include <net/route.h>
#include <netinet/ip_mroute.h>
#include <stdio.h>
#include <stdlib.h>
#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",
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));
}