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8fc8fa80899c66937979cd5b807766a40b74cd13
irix-657m-src/irix/cmd/bsd/netstat/if.c
calmsacibis995 8fc8fa8089 Source code upload
2022-09-29 17:59:04 +03:00

916 lines
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/*
* Copyright (c) 1983,1988 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of California at Berkeley. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/
#ifndef lint
static char sccsid[] = "@(#)if.c 5.6 (Berkeley) 2/7/88 plus MULTICAST 1.2";
#endif /* not lint */
#include <sys/types.h>
#include <sys/sema.h>
#include <sys/hashing.h>
#include <sys/socket.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <netinet/in.h>
#include <netinet/in_var.h>
#include <netinet/if_ether.h>
#include <netns/ns.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <signal.h>
#include <sys/param.h>
#include <ctype.h>
#include <stdarg.h>
#include <errno.h>
#include <curses.h>
#include <string.h>
#include <unistd.h>
#include <bstring.h>
#include <sys/time.h>
#include <sys/times.h>
#include <sys/types.h>
#include <strings.h>
#include "netstat.h"
union ifaddr_union {
struct ifaddr ifa;
struct in_ifaddr in;
} ifaddr;
#define MAX_NETFL 15
int net_fl; /* length of netname field */
static void catchalarm();
static int sidewaysintpr(unsigned int, ns_off_t);
static char *etherprint(u_char*);
/*
* Print a limited-length string, and indicate when it is truncated.
*/
static void
limpr(int lim, char *pad, char *str)
{
char trimstr[200];
if (strlen(str) > lim) {
(void)strncpy(trimstr,str,lim-1);
trimstr[lim-1] = '~';
trimstr[lim] = '\0';
str = trimstr;
}
(void)printf("%-*s%s", lim, str, pad);
}
/*
* print interface name and MTU once
*/
static void
namepr(char *name, int mtu)
{
char nmstr[IFNAMSIZ+1+16+1];
if (name[0] != '\0') {
(void)sprintf(nmstr, "%-4s %-5u", name, mtu);
} else {
nmstr[0] = '\0';
}
limpr(11, "", nmstr);
name[0] = '\0';
}
/*
* Print a description of an in_ifaddr structure
*/
void
print_alias(ns_off_t inifaddraddr, ns_off_t ifnetaddr, struct ifnet *ifnetp)
{
struct in_ifaddr inifaddr;
register char *cp;
struct sockaddr_in *sin;
int n;
klseek(kmem, inifaddraddr, 0);
read(kmem, (char *)&inifaddr, sizeof(struct in_ifaddr));
if ((inifaddr.ia_addrflags & IADDR_PRIMARY) ||
((ns_off_t)(inifaddr.ia_ifa.ifa_ifp) != ifnetaddr)) {
return;
}
/*
* compute address in local buffer of the ifa_addr sockaddr structure
*/
cp = ((ns_off_t)inifaddr.ia_ifa.ifa_addr
- inifaddraddr
+ (char*)&inifaddr);
sin = (struct sockaddr_in *)cp;
switch (sin->sin_family) {
case AF_UNSPEC:
printf("%23s %4s\n", "", "none");
break;
case AF_INET:
if (ifnetp->if_flags & IFF_POINTOPOINT) {
/*
* compute address in local buffer of ifa_dstaddr
* sockaddr structure which has dst addr for PPP links
*/
cp = ((ns_off_t)inifaddr.ia_ifa.ifa_dstaddr
- inifaddraddr
+ (char*)&inifaddr);
sin = (struct sockaddr_in *)cp;
}
printf("%*s %-19s\n", 27 + (net_fl - MAX_NETFL),
"", routename(sin->sin_addr.s_addr, 19));
break;
case AF_APPLETALK:
printf("%23s atalk: ", "");
{
struct sockaddr *sa = (struct sockaddr *)sin;
u_short *sp = (u_short *)sa->sa_data;
u_char *cp = (u_char *)&sa->sa_data[2];
printf("%04x %02x",*sp, *cp);
}
putchar('\n');
break;
default:
printf("%23s af %2d: ", "", sin->sin_family);
for (cp = (char*)sin+sizeof(*sin)-1;
cp >= ((struct sockaddr*)sin)->sa_data;
--cp)
if (*cp != 0)
break;
n = cp - ((struct sockaddr*)sin)->sa_data + 1;
cp = ((struct sockaddr*)sin)->sa_data;
if (n <= 7)
while (--n)
printf("%02d.", *cp++ & 0xff);
else
while (--n)
printf("%02d", *cp++ & 0xff);
printf("%02d ", *cp & 0xff);
putchar('\n');
break;
}
}
/*
* Print a description of an in_ifaddr structure
*/
static void
print_inifaddr(ns_off_t inifaddraddr, ns_off_t ifnetaddr,
struct ifnet *ifnetp, char *name, int stats_printed)
{
struct in_ifaddr inifaddr;
register char *cp;
struct sockaddr_in *sin;
int n;
klseek(kmem, inifaddraddr, 0);
read(kmem, (char *)&inifaddr, sizeof(struct in_ifaddr));
/*
* compute address in local buffer of the ifa_addr sockaddr structure
*/
cp = ((ns_off_t)inifaddr.ia_ifa.ifa_addr
- inifaddraddr
+ (char*)&inifaddr);
sin = (struct sockaddr_in *)cp;
switch (sin->sin_family) {
case AF_UNSPEC:
namepr(name, ifnetp->if_data.ifi_mtu);
limpr(net_fl, " ", "none");
limpr(15, " ", "none");
break;
case AF_INET:
namepr(name, ifnetp->if_data.ifi_mtu);
if (ifnetp->if_flags & IFF_POINTOPOINT) {
/*
* compute address in local buffer of ifa_dstaddr
* sockaddr structure which has dst addr for PPP links
*/
cp = ((ns_off_t)inifaddr.ia_ifa.ifa_dstaddr
- inifaddraddr
+ (char*)&inifaddr);
sin = (struct sockaddr_in *)cp;
limpr(net_fl, " ", "(pt-to-pt)");
n = 15;
} else {
n = printf("%-*s ", net_fl,
netname(htonl(inifaddr.ia_subnet),
inifaddr.ia_subnetmask,
Aflag ? net_fl : 20));
n = MAX_NETFL - (n - net_fl - 1);
}
printf("%-*s ", n, routename(sin->sin_addr.s_addr,
!stats_printed ? 15 : 40));
break;
case AF_NS:
namepr(name, ifnetp->if_data.ifi_mtu);
{
struct sockaddr_ns *sns = (struct sockaddr_ns *)sin;
u_long net;
char netnum[8];
*(union ns_net *) &net = sns->sns_addr.x_net;
sprintf(netnum, "%lxH", ntohl(net));
upHex(netnum);
printf("ns:%-8s ", netnum);
printf("%-15s ", ns_phost(sns));
}
break;
case AF_APPLETALK:
printf("atalk: ");
{
struct sockaddr *sa = (struct sockaddr *)sin;
u_short *sp = (u_short *)sa->sa_data;
u_char *cp = (u_char *)&sa->sa_data[2];
printf("%04x %02x %12s",*sp, *cp, "");
}
break;
default:
namepr(name, ifnetp->if_data.ifi_mtu);
printf("af%2d: ", sin->sin_family);
for (cp = (char*)sin+sizeof(*sin)-1;
cp >= ((struct sockaddr*)sin)->sa_data;
--cp)
if (*cp != 0)
break;
n = cp - ((struct sockaddr*)sin)->sa_data + 1;
cp = ((struct sockaddr*)sin)->sa_data;
if (n <= 7)
while (--n)
printf("%02d.", *cp++ & 0xff);
else
while (--n)
printf("%02d", *cp++ & 0xff);
printf("%02d ", *cp & 0xff);
break;
}
}
/*
* Print a description of either an ifaddr structure OR an in_ifaddr structure
* depending on the
*/
void
print_linkaddr(ns_off_t ifaddraddr,
ns_off_t ifnet,
struct ifnet *ifnetp,
char *name)
{
union ifaddr_union ifaddr;
register char *cp;
struct sockaddr_in *sin;
int n;
klseek(kmem, ifaddraddr, 0);
read(kmem, (char *)&ifaddr, sizeof ifaddr);
if ((ns_off_t)(ifaddr.in.ia_ifp) != ifnet)
return;
/*
* compute address in local buffer of the
* ifa_addr sockaddr structure
*/
cp = ((ns_off_t)ifaddr.ifa.ifa_addr
- ifaddraddr
+ (char*)&ifaddr);
sin = (struct sockaddr_in *)cp;
if (sin->sin_family == AF_LINK) {
/*
* compute address in local buffer of the
* ifa_addr sockaddr structure
*/
cp = (char *)LLADDR((struct sockaddr_dl*)sin);
n = ((struct sockaddr_dl*)sin)->sdl_alen;
if (!Aflag || n == 0)
return;
namepr(name, ifnetp->if_data.ifi_mtu);
if (n != 6) {
int m = printf("<Link>");
while (--n >= 0)
m += printf("%x%c",
*cp++ & 0xff,
n>0 ? '.' : ' ');
m = 28 - m;
while (m-- > 0)
putchar(' ');
} else {
printf("<Link>%21s ", etherprint((u_char*)cp));
}
}
}
/*
* Print a description of an in_multi structure
*/
void
print_multiaddr(ns_off_t multiaddr, ns_off_t ifnetaddr)
{
struct in_multi inm;
klseek(kmem, multiaddr, 0);
read(kmem, (char*)&inm, sizeof(struct in_multi));
if (inm.inm_ifp == (struct ifnet *)ifnetaddr) {
printf("%*s %-19s\n", 27 + (net_fl - MAX_NETFL), "",
routename(inm.inm_addr.s_addr, 19));
}
return;
}
/*
* Print a description of the network interfaces.
*/
void
intpr(int interval, ns_off_t ifnetaddr_start, ns_off_t hashtable_info_addr)
{
struct ifnet ifnet;
union ifaddr_union ifaddr;
ns_off_t ifaddraddr, ifnetfound, ifnetaddr;
char name[IFNAMSIZ+18+1+1];
unsigned int hashtablesize;
unsigned short i;
ns_off_t h, head, hashtable_inaddr_addr;
struct arpcom ac;
struct hashinfo hashtable_info;
struct hashbucket hb_entry;
struct hashtable hashtable_inaddr[HASHTABLE_SIZE * 2];
char *cp;
char *p = (char *)hashtable_inaddr;
int n;
if (ifnetaddr_start == 0) {
printf("ifnet: symbol not defined\n");
return;
}
if (hashtable_info_addr == 0) {
printf("hashtable_info: symbol not defined\n");
return;
}
if (interval) {
sidewaysintpr(interval, ifnetaddr_start);
return;
}
/*
* Read address of first ifnet structure
*/
(void) klseek(kmem, ifnetaddr_start, 0);
(void) read(kmem, (char *)&ifnetaddr, sizeof ifnetaddr);
if (qflag) {
net_fl = 11;
} else if (tflag) {
net_fl = 13;
} else {
net_fl = MAX_NETFL;
}
printf("%-5s%-5s %-*s %-15s %8s %5s %8s %5s",
"Name", "Mtu", net_fl, "Network", "Address",
"Ipkts", "Ierrs", "Opkts", "Oerrs");
if (qflag) {
printf(" %1s %3s %4s", "q", "max", "drop");
} else {
printf(" %5s", "Coll");
if (tflag) {
printf(" %4s", "Time");
}
}
putchar('\n');
while (ifnetaddr) {
/* Read ifnet struct and name for the network interface */
klseek(kmem, ifnetaddr, 0);
read(kmem, (char *)&ifnet, sizeof ifnet);
ifnetfound = ifnetaddr;
ifnetaddr = (ns_off_t)ifnet.if_next;
ifaddraddr = (ns_off_t)(ifnet.in_ifaddr);
klseek(kmem, (ns_off_t)ifnet.if_name, 0);
read(kmem, name, IFNAMSIZ);
name[IFNAMSIZ] = '\0';
if (interface != 0 &&
(strcmp(name, interface) != 0 || unit != ifnet.if_unit)) {
continue;
}
cp = index(name, '\0');
cp = cp + sprintf(cp, "%d", ifnet.if_unit);
if ((ifnet.if_flags & IFF_UP) == 0) {
*cp++ = '*';
*cp = '\0';
}
/*
* See if inifaddr block set in ifnet structure
*/
if (ifaddraddr == 0) { /* none yet */
namepr(name, ifnet.if_data.ifi_mtu);
limpr(net_fl, " ", "none");
limpr(15, " ", "none");
} else {
print_inifaddr(ifaddraddr,
ifnetfound, &ifnet,
name,
0); /* stats not printed yet */
}
printf("%8u %5u %8u %5u ",
ifnet.if_data.ifi_ipackets, ifnet.if_data.ifi_ierrors,
ifnet.if_data.ifi_opackets, ifnet.if_data.ifi_oerrors);
if (qflag) {
printf(ifnet.if_snd.ifq_maxlen <= 99
? "%2d %2d %4d"
: "%2d %3d %3d",
ifnet.if_snd.ifq_len,
ifnet.if_snd.ifq_maxlen,
ifnet.if_snd.ifq_drops);
} else {
printf("%5u", ifnet.if_data.ifi_collisions);
if (tflag)
printf(" %3d", ifnet.if_timer);
}
putchar('\n');
/*
* print all internet alias addresses for this interface
* via enumerating the internet address hash table and looking
* for alias entries who match this interface.
*/
klseek(kmem, hashtable_info_addr, 0);
read(kmem, (char*)&hashtable_info, sizeof(struct hashinfo));
hashtable_inaddr_addr = (ns_off_t)hashtable_info.hashtable;
hashtablesize = hashtable_info.hashtablesize;
if (hashtablesize > HASHTABLE_SIZE)
hashtablesize = HASHTABLE_SIZE;
klseek(kmem, hashtable_inaddr_addr, 0);
read(kmem, (char*)hashtable_inaddr,
hashtablesize * hashtable_info.entrysize);
for (i=0; i < hashtablesize; i++) {
head = (ns_off_t)(hashtable_inaddr_addr +
i * hashtable_info.entrysize);
klseek(kmem, head, 0);
read(kmem, (char *)&hb_entry, sizeof(hb_entry));
/*
* Regular C code for loop thru hash table.
* for (h = hashtable[i].next; h != head; h = h->next)
*/
for (h = (ns_off_t)((struct hashtable *)
(p + i * hashtable_info.entrysize))->next;
h != head;
h = (ns_off_t)hb_entry.next) {
klseek(kmem, h, 0);
read(kmem, (char*)&hb_entry, sizeof(hb_entry));
if (hb_entry.flags & HTF_INET) {
print_alias((ns_off_t)h,
ifnetfound, &ifnet);
}
}
}
if (aflag) {
/*
* print all internet multicast addresses for this
* interface by enumerating the internet address
* hash table and looking for multicast entries
* who match this interface.
*/
for (i=0; i < hashtablesize; i++) {
head = (ns_off_t)(hashtable_inaddr_addr +
i * hashtable_info.entrysize);
klseek(kmem, head, 0);
read(kmem, (char *)&hb_entry,sizeof(hb_entry));
for (h = (ns_off_t) ((struct hashtable *)
(p + i *
hashtable_info.entrysize))->next;
h != head;
h = (ns_off_t)hb_entry.next) {
klseek(kmem, h, 0);
read(kmem, (char*)&hb_entry,
sizeof(hb_entry));
if (hb_entry.flags & HTF_MULTICAST) {
print_multiaddr((ns_off_t)h,
ifnetfound);
}
}
}
/*
* print the link-level address for this interface
*/
if (ifnet.if_data.ifi_type == IFT_ETHER ||
ifnet.if_data.ifi_type == IFT_FDDI ||
ifnet.if_data.ifi_type == IFT_ISO88025 ||
ifnet.if_data.ifi_type == IFT_GSN) {
klseek(kmem, ifnetfound, 0);
read(kmem, (char *)&ac, sizeof ac);
printf("%-*s %s\n", (27 + net_fl - MAX_NETFL),
"", etherprint(ac.ac_enaddr));
}
}
}
return;
}
#define MAXIF 128
struct iftot {
ns_off_t ifaddraddr;
char ift_name[1+IFNAMSIZ+1+3+1+1]; /* "(ifnameUNIT)*" */
union if_addr {
struct ifaddr ifa;
struct in_ifaddr in;
} ift_addr;
u_int ift_flags; /* interface flags */
u_int ift_old_flags; /* interface flags */
u_int ift_mtu;
u_int ift_ip; /* input packets */
u_int ift_ie; /* input errors */
u_int ift_ib; /* input bytes */
u_int ift_op; /* output packets */
u_int ift_oe; /* output errors */
u_int ift_ob; /* output bytes */
u_int ift_co; /* collisions */
u_int ift_len; /* queue length */
u_int ift_drop; /* dropped from queue */
} iftot[MAXIF];
/*
* Print a running summary of interface statistics.
* Repeat display every interval seconds, showing statistics
* collected over that interval. Assumes that interval is non-zero.
* First line printed at top of screen is always cumulative.
*/
static int
sidewaysintpr(unsigned int interval, ns_off_t off)
{
struct ifnet ifnet;
ns_off_t firstifnet;
register struct iftot *ip, *total;
register int line;
struct iftot *lastif, *sum, *interesting;
klseek(kmem, off, 0);
read(kmem, (char *)&firstifnet, sizeof (ns_off_t));
lastif = iftot;
sum = iftot + MAXIF - 1;
total = sum - 1;
interesting = iftot;
for (off = firstifnet, ip = iftot; off;) {
char *cp;
klseek(kmem, off, 0);
read(kmem, (char *)&ifnet, sizeof ifnet);
klseek(kmem, (ns_off_t)ifnet.if_name, 0);
ip->ift_name[0] = '(';
read(kmem, ip->ift_name + 1, IFNAMSIZ);
ip->ift_name[IFNAMSIZ+1] = '\0';
if (interface && strcmp(ip->ift_name + 1, interface) == 0 &&
unit == ifnet.if_unit)
interesting = ip;
cp = &ip->ift_name[strlen(ip->ift_name)];
sprintf(cp, "%d)", ifnet.if_unit);
ip++;
if (ip >= iftot + MAXIF - 2)
break;
off = (ns_off_t) ifnet.if_next;
}
lastif = ip;
banner:
printf(" input %-6.6s output ", interesting->ift_name);
if (lastif - iftot > 0)
printf(" input (Total) output");
for (ip = iftot; ip < iftot + MAXIF; ip++) {
ip->ift_ip = 0;
ip->ift_ie = 0;
ip->ift_op = 0;
ip->ift_oe = 0;
ip->ift_co = 0;
}
putchar('\n');
printf("%8.8s %5.5s %8.8s %5.5s %5.5s ",
"packets", "errs", "packets", "errs", "colls");
if (lastif - iftot > 0)
printf("%8.8s %5.5s %8.8s %5.5s %5.5s ",
"packets", "errs", "packets", "errs", "colls");
putchar('\n');
fflush(stdout);
line = 0;
loop:
sum->ift_ip = 0;
sum->ift_ie = 0;
sum->ift_op = 0;
sum->ift_oe = 0;
sum->ift_co = 0;
for (off = firstifnet, ip = iftot; off && ip < lastif; ip++) {
klseek(kmem, off, 0);
read(kmem, (char *)&ifnet, sizeof ifnet);
if (ip == interesting)
printf("%8u %5u %8u %5u %5u ",
ifnet.if_data.ifi_ipackets - ip->ift_ip,
ifnet.if_data.ifi_ierrors - ip->ift_ie,
ifnet.if_data.ifi_opackets - ip->ift_op,
ifnet.if_data.ifi_oerrors - ip->ift_oe,
ifnet.if_data.ifi_collisions - ip->ift_co);
ip->ift_ip = ifnet.if_data.ifi_ipackets;
ip->ift_ie = ifnet.if_data.ifi_ierrors;
ip->ift_op = ifnet.if_data.ifi_opackets;
ip->ift_oe = ifnet.if_data.ifi_oerrors;
ip->ift_co = ifnet.if_data.ifi_collisions;
sum->ift_ip += ip->ift_ip;
sum->ift_ie += ip->ift_ie;
sum->ift_op += ip->ift_op;
sum->ift_oe += ip->ift_oe;
sum->ift_co += ip->ift_co;
off = (ns_off_t) ifnet.if_next;
}
if (lastif - iftot > 0)
printf("%8u %5u %8u %5u %5u ",
sum->ift_ip - total->ift_ip,
sum->ift_ie - total->ift_ie,
sum->ift_op - total->ift_op,
sum->ift_oe - total->ift_oe,
sum->ift_co - total->ift_co);
*total = *sum;
putchar('\n');
fflush(stdout);
line++;
if (interval)
sleep(interval);
if (line == 21)
goto banner;
goto loop;
/*NOTREACHED*/
}
/*
* Return a printable string representation of an Ethernet address.
*/
static char *
etherprint(u_char *en)
{
static char string[18];
sprintf(string, "%02x:%02x:%02x:%02x:%02x:%02x",
en[0], en[1], en[2], en[3], en[4], en[5] );
string[17] = '\0';
return(string);
}
/*----------------------------------------------------------------------*/
#include "cdisplay.h"
static struct ifnet ifnet;
static struct iftot ziftot[MAXIF];
static struct iftot niftot[MAXIF];
void
initif(void)
{
bzero(ziftot, sizeof(ziftot));
}
void
zeroif(void)
{
bcopy(iftot, ziftot, sizeof(ziftot));
}
void
sprif(int y, int *y_off_ptr, ns_off_t ifnetaddr)
{
register struct iftot *nip, *oip;
int num_ifs;
struct sockaddr_in *sin;
register char *cp;
char *netstr, *addrstr, *tmpcp;
int n, nif, y_off;
char netary[64], addrary[64];
char line[200];
union if_addr ifaddr;
klseek(kmem, ifnetaddr, 0);
read(kmem, (char *)&ifnetaddr, sizeof ifnetaddr);
nip = niftot;
for (num_ifs= 0; ifnetaddr != 0 && num_ifs < MAXIF; nip++, num_ifs++) {
klseek(kmem, ifnetaddr, 0);
read(kmem, (char *)&ifnet, sizeof ifnet);
klseek(kmem, (ns_off_t)ifnet.if_name, 0);
read(kmem, nip->ift_name, IFNAMSIZ);
nip->ift_name[IFNAMSIZ] = '\0';
ifnetaddr = (ns_off_t)ifnet.if_next;
cp = &nip->ift_name[strlen(nip->ift_name)];
cp = index(nip->ift_name, '\0');
cp = cp + sprintf(cp, "%d", ifnet.if_unit);
if ((ifnet.if_flags&IFF_UP) == 0)
*cp++ = '*';
*cp = '\0';
nip->ift_ip = ifnet.if_data.ifi_ipackets;
nip->ift_ie = ifnet.if_data.ifi_ierrors;
nip->ift_ib = ifnet.if_data.ifi_ibytes;
nip->ift_op = ifnet.if_data.ifi_opackets;
nip->ift_oe = ifnet.if_data.ifi_oerrors;
nip->ift_ob = ifnet.if_data.ifi_obytes;
nip->ift_co = ifnet.if_data.ifi_collisions;
nip->ift_len = ifnet.if_snd.ifq_len;
nip->ift_drop = ifnet.if_snd.ifq_drops;
nip->ift_mtu = ifnet.if_data.ifi_mtu;
nip->ift_flags = ifnet.if_flags;
nip->ifaddraddr = (ns_off_t)(ifnet.in_ifaddr);
}
y_off = ck_y_off(num_ifs*2+3, y, y_off_ptr);
move_print(&y, &y_off, 1, 0,
"%-5s%-5.5s %-16.16s %s",
"Name", "Mtu", "Network", "Address");
for (nif = 0, nip = niftot; nif < num_ifs; nif++, nip++) {
if (nip->ifaddraddr == 0) {
netstr = "none";
addrstr = "none";
} else {
klseek(kmem, nip->ifaddraddr, 0);
read(kmem, &ifaddr, sizeof(ifaddr));
cp = ((ns_off_t)ifaddr.in.ia_ifa.ifa_addr
- nip->ifaddraddr
+ (char*)&ifaddr);
sin = (struct sockaddr_in *)cp;
/* if nothing has changed, do not bother looking
* up names or displaying them.
*/
if (!Cfirst
&& nip->ift_old_flags == nip->ift_flags
&& !bcmp(&ifaddr.in.ia_ifa, &(nip->ift_addr),
sizeof(nip->ift_addr))) {
netstr = 0;
} else switch (sin->sin_family) {
case AF_UNSPEC:
case AF_LINK:
netstr = "none";
addrstr = "none";
break;
case AF_INET:
if ((nip->ift_flags & IFF_POINTOPOINT) != 0) {
/*
* compute offset in ifaddr structure
* for the destination sockaddr
*/
cp = ((ns_off_t)ifaddr.in.ia_ifa.ifa_dstaddr
- nip->ifaddraddr
+ (char*)&ifaddr);
sin = (struct sockaddr_in *)cp;
netstr = "(pt-to-pt)";
} else {
netstr= netname(htonl(ifaddr.in.ia_subnet),
ifaddr.in.ia_subnetmask,
16);
}
addrstr = routename(sin->sin_addr.s_addr,0);
break;
case AF_NS:
{
struct sockaddr_ns *sns =
(struct sockaddr_ns *)sin;
u_long net;
char netnum[8];
*(union ns_net *) &net = sns->sns_addr.x_net;
sprintf(netnum, "%lxH", ntohl(net));
upHex(netnum);
netstr = netnum;
addrstr = ns_phost(sns);
}
break;
case AF_APPLETALK:
{
struct sockaddr *sa = (struct sockaddr *)sin;
u_short *sp = (u_short *)sa->sa_data;
u_char *cp = (u_char *)&sa->sa_data[2];
netstr = "atalk: ";
sprintf(addrstr = addrary,
"%04x %02x %12s",
*sp, *cp, "");
}
break;
default:
sprintf(netary, "af%2d: ", sin->sin_family);
for (cp = (char*)sin+sizeof(*sin)-1;
cp >= ((struct sockaddr*)sin)->sa_data;
--cp)
if (*cp != 0)
break;
n = cp - ((struct sockaddr*)sin)->sa_data + 1;
cp = ((struct sockaddr*)sin)->sa_data;
tmpcp = addrary;
if (n <= 7) {
while (--n)
tmpcp += sprintf(tmpcp, "%02d.",
*cp++ & 0xff);
} else {
while (--n)
tmpcp += sprintf(tmpcp, "%02d",
*cp++ & 0xff);
}
netstr = netary;
addrstr = addrary;
break;
}
nip->ift_old_flags = nip->ift_flags;
}
move_print(&y, &y_off, 1, 0,
netstr == 0 ? "" : "%-5s%-5u %-16.16s %-53.53s",
nip->ift_name, nip->ift_mtu,
netstr, addrstr);
}
move_print(&y, &y_off, 2, 0,
"\n%-5s %10s %6s %10s %10s %6s %10s %8s %2s %4s",
"Name", "Ipkts", "Ierrs", "Ibytes",
"Opkts", "Oerrs", "Obytes",
"Coll", "q", "drop");
oip = (cmode == DELTA) ? iftot : ziftot;
nip = niftot;
for (n = 0; n < num_ifs; n++) {
sprintf(line,
"%-5s %10u %6u %10u %10u %6u %10u %8u %2u %4u",
nip->ift_name,
nip->ift_ip - oip->ift_ip,
nip->ift_ie - oip->ift_ie,
nip->ift_ib - oip->ift_ib,
nip->ift_op - oip->ift_op,
nip->ift_oe - oip->ift_oe,
nip->ift_ob - oip->ift_ob,
nip->ift_co - oip->ift_co,
nip->ift_len,
nip->ift_drop - oip->ift_drop);
/* do not write past edge of screen,
* and indicate clipping */
if (strlen(line) > 80) {
line[79] = '~';
line[80] = '\0';
}
move_print(&y, &y_off, 1, 0, line);
bcopy(nip, &iftot[n], sizeof(iftot[n]));
oip++;
nip++;
}
}
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