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1.1 ! root 1: /* ! 2: * Copyright (c) 1985, 1988 Regents of the University of California. ! 3: * All rights reserved. ! 4: * ! 5: * Redistribution and use in source and binary forms are permitted ! 6: * provided that the above copyright notice and this paragraph are ! 7: * duplicated in all such forms and that any documentation, ! 8: * advertising materials, and other materials related to such ! 9: * distribution and use acknowledge that the software was developed ! 10: * by the University of California, Berkeley. The name of the ! 11: * University may not be used to endorse or promote products derived ! 12: * from this software without specific prior written permission. ! 13: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR ! 14: * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED ! 15: * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. ! 16: */ ! 17: ! 18: #ifndef lint ! 19: static char sccsid[] = "@(#)ns.c 5.9 (Berkeley) 6/29/88"; ! 20: #endif /* not lint */ ! 21: ! 22: #include <stdio.h> ! 23: #include <errno.h> ! 24: #include <nlist.h> ! 25: ! 26: #include <sys/types.h> ! 27: #include <sys/socket.h> ! 28: #include <sys/socketvar.h> ! 29: #include <sys/mbuf.h> ! 30: #include <sys/protosw.h> ! 31: ! 32: #include <net/route.h> ! 33: #include <net/if.h> ! 34: ! 35: #include <netinet/tcp_fsm.h> ! 36: ! 37: #include <netns/ns.h> ! 38: #include <netns/ns_pcb.h> ! 39: #include <netns/idp.h> ! 40: #include <netns/idp_var.h> ! 41: #include <netns/ns_error.h> ! 42: #include <netns/sp.h> ! 43: #include <netns/spidp.h> ! 44: #include <netns/spp_timer.h> ! 45: #include <netns/spp_var.h> ! 46: #define SANAMES ! 47: #include <netns/spp_debug.h> ! 48: ! 49: ! 50: struct nspcb nspcb; ! 51: struct sppcb sppcb; ! 52: struct socket sockb; ! 53: extern int kmem; ! 54: extern int Aflag; ! 55: extern int aflag; ! 56: extern int nflag; ! 57: extern char *plural(); ! 58: char *ns_prpr(); ! 59: ! 60: static int first = 1; ! 61: ! 62: /* ! 63: * Print a summary of connections related to a Network Systems ! 64: * protocol. For SPP, also give state of connection. ! 65: * Listening processes (aflag) are suppressed unless the ! 66: * -a (all) flag is specified. ! 67: */ ! 68: ! 69: nsprotopr(off, name) ! 70: off_t off; ! 71: char *name; ! 72: { ! 73: struct nspcb cb; ! 74: register struct nspcb *prev, *next; ! 75: int isspp; ! 76: ! 77: if (off == 0) ! 78: return; ! 79: isspp = strcmp(name, "spp") == 0; ! 80: klseek(kmem, off, 0); ! 81: read(kmem, (char *)&cb, sizeof (struct nspcb)); ! 82: nspcb = cb; ! 83: prev = (struct nspcb *)off; ! 84: if (nspcb.nsp_next == (struct nspcb *)off) ! 85: return; ! 86: for (;nspcb.nsp_next != (struct nspcb *)off; prev = next) { ! 87: off_t ppcb; ! 88: ! 89: next = nspcb.nsp_next; ! 90: klseek(kmem, (off_t)next, 0); ! 91: read(kmem, (char *)&nspcb, sizeof (nspcb)); ! 92: if (nspcb.nsp_prev != prev) { ! 93: printf("???\n"); ! 94: break; ! 95: } ! 96: if (!aflag && ns_nullhost(nspcb.nsp_faddr) ) { ! 97: continue; ! 98: } ! 99: klseek(kmem, (off_t)nspcb.nsp_socket, 0); ! 100: read(kmem, (char *)&sockb, sizeof (sockb)); ! 101: ppcb = (off_t) nspcb.nsp_pcb; ! 102: if (ppcb) { ! 103: if (isspp) { ! 104: klseek(kmem, ppcb, 0); ! 105: read(kmem, (char *)&sppcb, sizeof (sppcb)); ! 106: } else continue; ! 107: } else ! 108: if (isspp) continue; ! 109: if (first) { ! 110: printf("Active NS connections"); ! 111: if (aflag) ! 112: printf(" (including servers)"); ! 113: putchar('\n'); ! 114: if (Aflag) ! 115: printf("%-8.8s ", "PCB"); ! 116: printf(Aflag ? ! 117: "%-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n" : ! 118: "%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n", ! 119: "Proto", "Recv-Q", "Send-Q", ! 120: "Local Address", "Foreign Address", "(state)"); ! 121: first = 0; ! 122: } ! 123: if (Aflag) ! 124: printf("%8x ", ppcb); ! 125: printf("%-5.5s %6d %6d ", name, sockb.so_rcv.sb_cc, ! 126: sockb.so_snd.sb_cc); ! 127: printf(" %-22.22s", ns_prpr(&nspcb.nsp_laddr)); ! 128: printf(" %-22.22s", ns_prpr(&nspcb.nsp_faddr)); ! 129: if (isspp) { ! 130: extern char *tcpstates[]; ! 131: if (sppcb.s_state >= TCP_NSTATES) ! 132: printf(" %d", sppcb.s_state); ! 133: else ! 134: printf(" %s", tcpstates[sppcb.s_state]); ! 135: } ! 136: putchar('\n'); ! 137: prev = next; ! 138: } ! 139: } ! 140: #define ANY(x,y,z) ((x) ? printf("\t%d %s%s%s -- %s\n",x,y,plural(x),z,"x") : 0) ! 141: ! 142: /* ! 143: * Dump SPP statistics structure. ! 144: */ ! 145: spp_stats(off, name) ! 146: off_t off; ! 147: char *name; ! 148: { ! 149: struct spp_istat spp_istat; ! 150: #define sppstat spp_istat.newstats ! 151: ! 152: if (off == 0) ! 153: return; ! 154: klseek(kmem, off, 0); ! 155: read(kmem, (char *)&spp_istat, sizeof (spp_istat)); ! 156: printf("%s:\n", name); ! 157: ANY(spp_istat.nonucn, "connection", " dropped due to no new sockets "); ! 158: ANY(spp_istat.gonawy, "connection", " terminated due to our end dying"); ! 159: ANY(spp_istat.nonucn, "connection", " dropped due to inability to connect"); ! 160: ANY(spp_istat.noconn, "connection", " dropped due to inability to connect"); ! 161: ANY(spp_istat.notme, "connection", " incompleted due to mismatched id's"); ! 162: ANY(spp_istat.wrncon, "connection", " dropped due to mismatched id's"); ! 163: ANY(spp_istat.bdreas, "packet", " dropped out of sequence"); ! 164: ANY(spp_istat.lstdup, "packet", " duplicating the highest packet"); ! 165: ANY(spp_istat.notyet, "packet", " refused as exceeding allocation"); ! 166: ANY(sppstat.spps_connattempt, "connection", " initiated"); ! 167: ANY(sppstat.spps_accepts, "connection", " accepted"); ! 168: ANY(sppstat.spps_connects, "connection", " established"); ! 169: ANY(sppstat.spps_drops, "connection", " dropped"); ! 170: ANY(sppstat.spps_conndrops, "embryonic connection", " dropped"); ! 171: ANY(sppstat.spps_closed, "connection", " closed (includes drops)"); ! 172: ANY(sppstat.spps_segstimed, "packet", " where we tried to get rtt"); ! 173: ANY(sppstat.spps_rttupdated, "time", " we got rtt"); ! 174: ANY(sppstat.spps_delack, "delayed ack", " sent"); ! 175: ANY(sppstat.spps_timeoutdrop, "connection", " dropped in rxmt timeout"); ! 176: ANY(sppstat.spps_rexmttimeo, "retransmit timeout", ""); ! 177: ANY(sppstat.spps_persisttimeo, "persist timeout", ""); ! 178: ANY(sppstat.spps_keeptimeo, "keepalive timeout", ""); ! 179: ANY(sppstat.spps_keepprobe, "keepalive probe", " sent"); ! 180: ANY(sppstat.spps_keepdrops, "connection", " dropped in keepalive"); ! 181: ANY(sppstat.spps_sndtotal, "total packet", " sent"); ! 182: ANY(sppstat.spps_sndpack, "data packet", " sent"); ! 183: ANY(sppstat.spps_sndbyte, "data byte", " sent"); ! 184: ANY(sppstat.spps_sndrexmitpack, "data packet", " retransmitted"); ! 185: ANY(sppstat.spps_sndrexmitbyte, "data byte", " retransmitted"); ! 186: ANY(sppstat.spps_sndacks, "ack-only packet", " sent"); ! 187: ANY(sppstat.spps_sndprobe, "window probe", " sent"); ! 188: ANY(sppstat.spps_sndurg, "packet", " sent with URG only"); ! 189: ANY(sppstat.spps_sndwinup, "window update-only packet", " sent"); ! 190: ANY(sppstat.spps_sndctrl, "control (SYN|FIN|RST) packet", " sent"); ! 191: ANY(sppstat.spps_sndvoid, "request", " to send a non-existant packet"); ! 192: ANY(sppstat.spps_rcvtotal, "total packet", " received"); ! 193: ANY(sppstat.spps_rcvpack, "packet", " received in sequence"); ! 194: ANY(sppstat.spps_rcvbyte, "byte", " received in sequence"); ! 195: ANY(sppstat.spps_rcvbadsum, "packet", " received with ccksum errs"); ! 196: ANY(sppstat.spps_rcvbadoff, "packet", " received with bad offset"); ! 197: ANY(sppstat.spps_rcvshort, "packet", " received too short"); ! 198: ANY(sppstat.spps_rcvduppack, "duplicate-only packet", " received"); ! 199: ANY(sppstat.spps_rcvdupbyte, "duplicate-only byte", " received"); ! 200: ANY(sppstat.spps_rcvpartduppack, "packet", " with some duplicate data"); ! 201: ANY(sppstat.spps_rcvpartdupbyte, "dup. byte", " in part-dup. packet"); ! 202: ANY(sppstat.spps_rcvoopack, "out-of-order packet", " received"); ! 203: ANY(sppstat.spps_rcvoobyte, "out-of-order byte", " received"); ! 204: ANY(sppstat.spps_rcvpackafterwin, "packet", " with data after window"); ! 205: ANY(sppstat.spps_rcvbyteafterwin, "byte", " rcvd after window"); ! 206: ANY(sppstat.spps_rcvafterclose, "packet", " rcvd after 'close'"); ! 207: ANY(sppstat.spps_rcvwinprobe, "rcvd window probe packet", ""); ! 208: ANY(sppstat.spps_rcvdupack, "rcvd duplicate ack", ""); ! 209: ANY(sppstat.spps_rcvacktoomuch, "rcvd ack", " for unsent data"); ! 210: ANY(sppstat.spps_rcvackpack, "rcvd ack packet", ""); ! 211: ANY(sppstat.spps_rcvackbyte, "byte", " acked by rcvd acks"); ! 212: ANY(sppstat.spps_rcvwinupd, "rcvd window update packet", ""); ! 213: } ! 214: #undef ANY ! 215: #define ANY(x,y,z) ((x) ? printf("\t%d %s%s%s\n",x,y,plural(x),z) : 0) ! 216: ! 217: /* ! 218: * Dump IDP statistics structure. ! 219: */ ! 220: idp_stats(off, name) ! 221: off_t off; ! 222: char *name; ! 223: { ! 224: struct idpstat idpstat; ! 225: ! 226: if (off == 0) ! 227: return; ! 228: klseek(kmem, off, 0); ! 229: read(kmem, (char *)&idpstat, sizeof (idpstat)); ! 230: printf("%s:\n", name); ! 231: ANY(idpstat.idps_toosmall, "packet", " smaller than a header"); ! 232: ANY(idpstat.idps_tooshort, "packet", " smaller than advertised"); ! 233: ANY(idpstat.idps_badsum, "packet", " with bad checksums"); ! 234: } ! 235: ! 236: static struct { ! 237: u_short code; ! 238: char *name; ! 239: char *where; ! 240: } ns_errnames[] = { ! 241: {0, "Unspecified Error", " at Destination"}, ! 242: {1, "Bad Checksum", " at Destination"}, ! 243: {2, "No Listener", " at Socket"}, ! 244: {3, "Packet", " Refused due to lack of space at Destination"}, ! 245: {01000, "Unspecified Error", " while gatewayed"}, ! 246: {01001, "Bad Checksum", " while gatewayed"}, ! 247: {01002, "Packet", " forwarded too many times"}, ! 248: {01003, "Packet", " too large to be forwarded"}, ! 249: {-1, 0, 0}, ! 250: }; ! 251: ! 252: /* ! 253: * Dump NS Error statistics structure. ! 254: */ ! 255: /*ARGSUSED*/ ! 256: nserr_stats(off, name) ! 257: off_t off; ! 258: char *name; ! 259: { ! 260: struct ns_errstat ns_errstat; ! 261: register int j; ! 262: register int histoprint = 1; ! 263: int z; ! 264: ! 265: if (off == 0) ! 266: return; ! 267: klseek(kmem, off, 0); ! 268: read(kmem, (char *)&ns_errstat, sizeof (ns_errstat)); ! 269: printf("NS error statistics:\n"); ! 270: ANY(ns_errstat.ns_es_error, "call", " to ns_error"); ! 271: ANY(ns_errstat.ns_es_oldshort, "error", ! 272: " ignored due to insufficient addressing"); ! 273: ANY(ns_errstat.ns_es_oldns_err, "error request", ! 274: " in response to error packets"); ! 275: ANY(ns_errstat.ns_es_tooshort, "error packet", ! 276: " received incomplete"); ! 277: ANY(ns_errstat.ns_es_badcode, "error packet", ! 278: " received of unknown type"); ! 279: for(j = 0; j < NS_ERR_MAX; j ++) { ! 280: z = ns_errstat.ns_es_outhist[j]; ! 281: if (z && histoprint) { ! 282: printf("Output Error Histogram:\n"); ! 283: histoprint = 0; ! 284: } ! 285: ns_erputil(z, ns_errstat.ns_es_codes[j]); ! 286: ! 287: } ! 288: histoprint = 1; ! 289: for(j = 0; j < NS_ERR_MAX; j ++) { ! 290: z = ns_errstat.ns_es_inhist[j]; ! 291: if (z && histoprint) { ! 292: printf("Input Error Histogram:\n"); ! 293: histoprint = 0; ! 294: } ! 295: ns_erputil(z, ns_errstat.ns_es_codes[j]); ! 296: } ! 297: } ! 298: static ! 299: ns_erputil(z, c) ! 300: { ! 301: int j; ! 302: char codebuf[30]; ! 303: char *name, *where; ! 304: for(j = 0;; j ++) { ! 305: if ((name = ns_errnames[j].name) == 0) ! 306: break; ! 307: if (ns_errnames[j].code == c) ! 308: break; ! 309: } ! 310: if (name == 0) { ! 311: if (c > 01000) ! 312: where = "in transit"; ! 313: else ! 314: where = "at destination"; ! 315: sprintf(codebuf, "Unknown XNS error code 0%o", c); ! 316: name = codebuf; ! 317: } else ! 318: where = ns_errnames[j].where; ! 319: ANY(z, name, where); ! 320: } ! 321: static struct sockaddr_ns ssns = {AF_NS}; ! 322: ! 323: char *ns_prpr(x) ! 324: struct ns_addr *x; ! 325: { ! 326: extern char *ns_print(); ! 327: struct sockaddr_ns *sns = &ssns; ! 328: sns->sns_addr = *x; ! 329: return(ns_print(sns)); ! 330: }
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