| 1 | #ifndef lint |
| 2 | static char sccsid[] = "@(#)if.c 4.4 82/11/14"; |
| 3 | #endif |
| 4 | |
| 5 | #include <sys/types.h> |
| 6 | #include <sys/socket.h> |
| 7 | |
| 8 | #include <net/if.h> |
| 9 | #include <netinet/in.h> |
| 10 | |
| 11 | #include <stdio.h> |
| 12 | |
| 13 | extern int kmem; |
| 14 | extern int tflag; |
| 15 | extern int nflag; |
| 16 | extern char *routename(); |
| 17 | |
| 18 | /* |
| 19 | * Print a description of the network interfaces. |
| 20 | */ |
| 21 | intpr(interval, ifnetaddr) |
| 22 | int interval; |
| 23 | off_t ifnetaddr; |
| 24 | { |
| 25 | struct ifnet ifnet; |
| 26 | char name[16]; |
| 27 | |
| 28 | if (ifnetaddr == 0) { |
| 29 | printf("ifnet: symbol not defined\n"); |
| 30 | return; |
| 31 | } |
| 32 | if (interval) { |
| 33 | sidewaysintpr(interval, ifnetaddr); |
| 34 | return; |
| 35 | } |
| 36 | klseek(kmem, ifnetaddr, 0); |
| 37 | read(kmem, &ifnetaddr, sizeof ifnetaddr); |
| 38 | printf("%-5.5s %-5.5s %-10.10s %-12.12s %-7.7s %-5.5s %-7.7s %-5.5s", |
| 39 | "Name", "Mtu", "Network", "Address", "Ipkts", "Ierrs", |
| 40 | "Opkts", "Oerrs"); |
| 41 | printf(" %-6.6s", "Collis"); |
| 42 | if (tflag) |
| 43 | printf(" %-6.6s", "Timer"); |
| 44 | putchar('\n'); |
| 45 | while (ifnetaddr) { |
| 46 | struct sockaddr_in *sin; |
| 47 | register char *cp; |
| 48 | char *index(); |
| 49 | struct in_addr in, inet_makeaddr(); |
| 50 | |
| 51 | klseek(kmem, ifnetaddr, 0); |
| 52 | read(kmem, &ifnet, sizeof ifnet); |
| 53 | klseek(kmem, (int)ifnet.if_name, 0); |
| 54 | read(kmem, name, 16); |
| 55 | name[15] = '\0'; |
| 56 | cp = index(name, '\0'); |
| 57 | *cp++ = ifnet.if_unit + '0'; |
| 58 | if ((ifnet.if_flags&IFF_UP) == 0) |
| 59 | *cp++ = '*'; |
| 60 | *cp = '\0'; |
| 61 | printf("%-5.5s %-5d ", name, ifnet.if_mtu); |
| 62 | sin = (struct sockaddr_in *)&ifnet.if_addr; |
| 63 | in = inet_makeaddr(ifnet.if_net, INADDR_ANY); |
| 64 | printf("%-10.10s ", routename(in)); |
| 65 | printf("%-12.12s %-7d %-5d %-7d %-5d %-6d", |
| 66 | routename(sin->sin_addr), |
| 67 | ifnet.if_ipackets, ifnet.if_ierrors, |
| 68 | ifnet.if_opackets, ifnet.if_oerrors, |
| 69 | ifnet.if_collisions); |
| 70 | if (tflag) |
| 71 | printf(" %-6d", ifnet.if_timer); |
| 72 | putchar('\n'); |
| 73 | ifnetaddr = (off_t) ifnet.if_next; |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | #define MAXIF 10 |
| 78 | struct iftot { |
| 79 | char ift_name[16]; /* interface name */ |
| 80 | int ift_ip; /* input packets */ |
| 81 | int ift_ie; /* input errors */ |
| 82 | int ift_op; /* output packets */ |
| 83 | int ift_oe; /* output errors */ |
| 84 | int ift_co; /* collisions */ |
| 85 | } iftot[MAXIF]; |
| 86 | |
| 87 | /* |
| 88 | * Print a running summary of interface statistics. |
| 89 | * Repeat display every interval seconds, showing |
| 90 | * statistics collected over that interval. First |
| 91 | * line printed at top of screen is always cumulative. |
| 92 | */ |
| 93 | sidewaysintpr(interval, off) |
| 94 | int interval; |
| 95 | off_t off; |
| 96 | { |
| 97 | struct ifnet ifnet; |
| 98 | off_t firstifnet; |
| 99 | extern char _sobuf[]; |
| 100 | register struct iftot *ip, *total; |
| 101 | register int line; |
| 102 | struct iftot *lastif, *sum, *interesting; |
| 103 | int maxtraffic; |
| 104 | |
| 105 | setbuf(stdout, _sobuf); |
| 106 | klseek(kmem, off, 0); |
| 107 | read(kmem, &firstifnet, sizeof (off_t)); |
| 108 | lastif = iftot; |
| 109 | sum = iftot + MAXIF - 1; |
| 110 | total = sum - 1; |
| 111 | for (off = firstifnet, ip = iftot; off;) { |
| 112 | char *cp; |
| 113 | |
| 114 | klseek(kmem, off, 0); |
| 115 | read(kmem, &ifnet, sizeof ifnet); |
| 116 | klseek(kmem, (int)ifnet.if_name, 0); |
| 117 | ip->ift_name[0] = '('; |
| 118 | read(kmem, ip->ift_name + 1, 15); |
| 119 | ip->ift_name[15] = '\0'; |
| 120 | cp = index(ip->ift_name, '\0'); |
| 121 | sprintf(cp, "%d)", ifnet.if_unit); |
| 122 | ip++; |
| 123 | if (ip >= iftot + MAXIF - 2) |
| 124 | break; |
| 125 | off = (off_t) ifnet.if_next; |
| 126 | } |
| 127 | lastif = ip; |
| 128 | interesting = iftot; |
| 129 | banner: |
| 130 | printf(" input %-6.6s output ", interesting->ift_name); |
| 131 | if (lastif - iftot > 0) |
| 132 | printf(" input (Total) output "); |
| 133 | for (ip = iftot; ip < iftot + MAXIF; ip++) { |
| 134 | ip->ift_ip = 0; |
| 135 | ip->ift_ie = 0; |
| 136 | ip->ift_op = 0; |
| 137 | ip->ift_oe = 0; |
| 138 | ip->ift_co = 0; |
| 139 | } |
| 140 | putchar('\n'); |
| 141 | printf("%-7.7s %-5.5s %-7.7s %-5.5s %-5.5s ", |
| 142 | "packets", "errs", "packets", "errs", "colls"); |
| 143 | if (lastif - iftot > 0) |
| 144 | printf("%-7.7s %-5.5s %-7.7s %-5.5s %-5.5s ", |
| 145 | "packets", "errs", "packets", "errs", "colls"); |
| 146 | putchar('\n'); |
| 147 | fflush(stdout); |
| 148 | line = 0; |
| 149 | loop: |
| 150 | sum->ift_ip = 0; |
| 151 | sum->ift_ie = 0; |
| 152 | sum->ift_op = 0; |
| 153 | sum->ift_oe = 0; |
| 154 | sum->ift_co = 0; |
| 155 | for (off = firstifnet, ip = iftot; off && ip < lastif; ip++) { |
| 156 | klseek(kmem, off, 0); |
| 157 | read(kmem, &ifnet, sizeof ifnet); |
| 158 | if (ip == interesting) |
| 159 | printf("%-7d %-5d %-7d %-5d %-5d ", |
| 160 | ifnet.if_ipackets - ip->ift_ip, |
| 161 | ifnet.if_ierrors - ip->ift_ie, |
| 162 | ifnet.if_opackets - ip->ift_op, |
| 163 | ifnet.if_oerrors - ip->ift_oe, |
| 164 | ifnet.if_collisions - ip->ift_co); |
| 165 | ip->ift_ip = ifnet.if_ipackets; |
| 166 | ip->ift_ie = ifnet.if_ierrors; |
| 167 | ip->ift_op = ifnet.if_opackets; |
| 168 | ip->ift_oe = ifnet.if_oerrors; |
| 169 | ip->ift_co = ifnet.if_collisions; |
| 170 | sum->ift_ip += ip->ift_ip; |
| 171 | sum->ift_ie += ip->ift_ie; |
| 172 | sum->ift_op += ip->ift_op; |
| 173 | sum->ift_oe += ip->ift_oe; |
| 174 | sum->ift_co += ip->ift_co; |
| 175 | off = (off_t) ifnet.if_next; |
| 176 | } |
| 177 | if (lastif - iftot > 0) |
| 178 | printf("%-7d %-5d %-7d %-5d %-5d\n", |
| 179 | sum->ift_ip - total->ift_ip, |
| 180 | sum->ift_ie - total->ift_ie, |
| 181 | sum->ift_op - total->ift_op, |
| 182 | sum->ift_oe - total->ift_oe, |
| 183 | sum->ift_co - total->ift_co); |
| 184 | *total = *sum; |
| 185 | fflush(stdout); |
| 186 | line++; |
| 187 | if (interval) |
| 188 | sleep(interval); |
| 189 | if (line == 21) |
| 190 | goto banner; |
| 191 | goto loop; |
| 192 | /*NOTREACHED*/ |
| 193 | } |