src/rxdebug/rxdebug.c

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 #include <afsconfig.h>
  11 #include <afs/param.h>
  12 #include <afs/stds.h>
  13
  14 #include <roken.h>
  15
  16 #include <afs/afsutil.h>
  17 #include <afs/cmd.h>
  18
  19 #include <rx/rx_user.h>
  20 #include <rx/rx_clock.h>
  21 #include <rx/rx_queue.h>
  22 #include <rx/rx.h>
  23 #include <rx/rx_globals.h>
  24
  25
  26 #define TIMEOUT     20
  27
  28 static short
  29 PortNumber(char *aport)
  30 {
  31     int tc;
  32     short total;
  33
  34     total = 0;
  35     while ((tc = *aport++)) {
  36         if (tc < '0' || tc > '9')
  37             return -1;          /* bad port number */
  38         total *= 10;
  39         total += tc - (int)'0';
  40     }
  41     return htons(total);
  42 }
  43
  44 static short
  45 PortName(char *aname)
  46 {
  47     struct servent *ts;
  48     ts = getservbyname(aname, NULL);
  49     if (!ts)
  50         return -1;
  51     return ts->s_port;          /* returns it in network byte order */
  52 }
  53
  54 int
  55 MainCommand(struct cmd_syndesc *as, void *arock)
  56 {
  57     int i;
  58     osi_socket s;
  59     int j;
  60     struct sockaddr_in taddr;
  61     afs_int32 host;
  62     struct in_addr hostAddr;
  63     short port;
  64     struct hostent *th;
  65     afs_int32 code;
  66     int nodally;
  67     int allconns;
  68     int rxstats;
  69     int onlyClient, onlyServer;
  70     afs_int32 onlyHost;
  71     short onlyPort;
  72     int onlyAuth;
  73     int flag;
  74     int dallyCounter;
  75     int withSecStats;
  76     int withAllConn;
  77     int withRxStats;
  78     int withWaiters;
  79     int withIdleThreads;
  80     int withWaited;
  81     int withPeers;
  82     int withPackets;
  83     struct rx_debugStats tstats;
  84     char *portName, *hostName;
  85     char hoststr[20];
  86     struct rx_debugConn tconn;
  87     short noConns;
  88     short showPeers;
  89     short showLong;
  90     int version_flag;
  91     char version[64];
  92     afs_int32 length = 64;
  93
  94     afs_uint32 supportedDebugValues = 0;
  95     afs_uint32 supportedStatValues = 0;
  96     afs_uint32 supportedConnValues = 0;
  97     afs_uint32 supportedPeerValues = 0;
  98     afs_int32 nextconn = 0;
  99     afs_int32 nextpeer = 0;
 100
 101     nodally = (as->parms[2].items ? 1 : 0);
 102     allconns = (as->parms[3].items ? 1 : 0);
 103     rxstats = (as->parms[4].items ? 1 : 0);
 104     onlyServer = (as->parms[5].items ? 1 : 0);
 105     onlyClient = (as->parms[6].items ? 1 : 0);
 106     version_flag = (as->parms[10].items ? 1 : 0);
 107     noConns = (as->parms[11].items ? 1 : 0);
 108     showPeers = (as->parms[12].items ? 1 : 0);
 109     showLong = (as->parms[13].items ? 1 : 0);
 110
 111     if (as->parms[0].items)
 112         hostName = as->parms[0].items->data;
 113     else
 114         hostName = NULL;
 115
 116     if (as->parms[1].items)
 117         portName = as->parms[1].items->data;
 118     else
 119         portName = NULL;
 120
 121     if (as->parms[7].items) {
 122         char *name = as->parms[7].items->data;
 123         if ((onlyPort = PortNumber(name)) == -1)
 124             onlyPort = PortName(name);
 125         if (onlyPort == -1) {
 126             printf("rxdebug: can't resolve port name %s\n", name);
 127             exit(1);
 128         }
 129     } else
 130         onlyPort = -1;
 131
 132     if (as->parms[8].items) {
 133         char *name = as->parms[8].items->data;
 134         struct hostent *th;
 135         th = hostutil_GetHostByName(name);
 136         if (!th) {
 137             printf("rxdebug: host %s not found in host table\n", name);
 138             exit(1);
 139         }
 140         memcpy(&onlyHost, th->h_addr, sizeof(afs_int32));
 141     } else
 142         onlyHost = -1;
 143
 144     if (as->parms[9].items) {
 145         char *name = as->parms[9].items->data;
 146         if (strcmp(name, "clear") == 0)
 147             onlyAuth = 0;
 148         else if (strcmp(name, "auth") == 0)
 149             onlyAuth = 1;
 150         else if (strcmp(name, "crypt") == 0)
 151             onlyAuth = 2;
 152         else if ((strcmp(name, "null") == 0) || (strcmp(name, "none") == 0)
 153                  || (strncmp(name, "noauth", 6) == 0)
 154                  || (strncmp(name, "unauth", 6) == 0))
 155             onlyAuth = -1;
 156         else {
 157             fprintf(stderr, "Unknown authentication level: %s\n", name);
 158             exit(1);
 159         }
 160     } else
 161         onlyAuth = 999;
 162
 163     /* lookup host */
 164     if (hostName) {
 165         th = hostutil_GetHostByName(hostName);
 166         if (!th) {
 167             printf("rxdebug: host %s not found in host table\n", hostName);
 168             exit(1);
 169         }
 170         memcpy(&host, th->h_addr, sizeof(afs_int32));
 171     } else
 172         host = htonl(0x7f000001);       /* IP localhost */
 173
 174     if (!portName)
 175         port = htons(7000);     /* default is fileserver */
 176     else {
 177         if ((port = PortNumber(portName)) == -1)
 178             port = PortName(portName);
 179         if (port == -1) {
 180             printf("rxdebug: can't resolve port name %s\n", portName);
 181             exit(1);
 182         }
 183     }
 184
 185     dallyCounter = 0;
 186
 187     hostAddr.s_addr = host;
 188     afs_inet_ntoa_r(hostAddr.s_addr, hoststr);
 189     printf("Trying %s (port %d):\n", hoststr, ntohs(port));
 190     s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
 191     if (s == OSI_NULLSOCKET) {
 192 #ifdef AFS_NT40_ENV
 193         fprintf(stderr, "socket() failed with error %u\n", WSAGetLastError());
 194 #else
 195         perror("socket");
 196 #endif
 197         exit(1);
 198     }
 199     taddr.sin_family = AF_INET;
 200     taddr.sin_port = 0;
 201     taddr.sin_addr.s_addr = 0;
 202 #ifdef STRUCT_SOCKADDR_HAS_SA_LEN
 203     taddr.sin_len = sizeof(struct sockaddr_in);
 204 #endif
 205     code = bind(s, (struct sockaddr *)&taddr, sizeof(struct sockaddr_in));
 206     if (code) {
 207 #ifdef AFS_NT40_ENV
 208         fprintf(stderr, "bind() failed with error %u\n", WSAGetLastError());
 209 #else
 210         perror("bind");
 211 #endif
 212         exit(1);
 213     }
 214
 215     if (version_flag) {
 216
 217         code = rx_GetServerVersion(s, host, port, length, version);
 218         if (code < 0) {
 219             printf("get version call failed with code %d, errno %d\n", code,
 220                    errno);
 221             exit(1);
 222         }
 223         printf("AFS version: %s\n", version);
 224         fflush(stdout);
 225
 226         exit(0);
 227
 228     }
 229
 230
 231     code = rx_GetServerDebug(s, host, port, &tstats, &supportedDebugValues);
 232     if (code < 0) {
 233         printf("getstats call failed with code %d\n", code);
 234         exit(1);
 235     }
 236
 237     withSecStats = (supportedDebugValues & RX_SERVER_DEBUG_SEC_STATS);
 238     withAllConn = (supportedDebugValues & RX_SERVER_DEBUG_ALL_CONN);
 239     withRxStats = (supportedDebugValues & RX_SERVER_DEBUG_RX_STATS);
 240     withWaiters = (supportedDebugValues & RX_SERVER_DEBUG_WAITER_CNT);
 241     withIdleThreads = (supportedDebugValues & RX_SERVER_DEBUG_IDLE_THREADS);
 242     withWaited = (supportedDebugValues & RX_SERVER_DEBUG_WAITED_CNT);
 243     withPeers = (supportedDebugValues & RX_SERVER_DEBUG_ALL_PEER);
 244     withPackets = (supportedDebugValues & RX_SERVER_DEBUG_PACKETS_CNT);
 245
 246     if (withPackets)
 247         printf("Free packets: %d/%d, packet reclaims: %d, calls: %d, used FDs: %d\n",
 248                tstats.nFreePackets, tstats.nPackets, tstats.packetReclaims,
 249                tstats.callsExecuted, tstats.usedFDs);
 250     else
 251         printf("Free packets: %d, packet reclaims: %d, calls: %d, used FDs: %d\n",
 252                tstats.nFreePackets, tstats.packetReclaims, tstats.callsExecuted,
 253                tstats.usedFDs);
 254     if (!tstats.waitingForPackets)
 255         printf("not ");
 256     printf("waiting for packets.\n");
 257     if (withWaiters)
 258         printf("%d calls waiting for a thread\n", tstats.nWaiting);
 259     if (withIdleThreads)
 260         printf("%d threads are idle\n", tstats.idleThreads);
 261     if (withWaited)
 262         printf("%d calls have waited for a thread\n", tstats.nWaited);
 263
 264     if (rxstats) {
 265         if (!withRxStats) {
 266           noRxStats:
 267             withRxStats = 0;
 268             fprintf(stderr,
 269                     "WARNING: Server doesn't support retrieval of Rx statistics\n");
 270         } else {
 271             struct rx_statistics rxstats;
 272
 273             /* should gracefully handle the case where rx_stats grows */
 274             code =
 275                 rx_GetServerStats(s, host, port, &rxstats,
 276                                   &supportedStatValues);
 277             if (code < 0) {
 278                 printf("rxstats call failed with code %d\n", code);
 279                 exit(1);
 280             }
 281             if (code != sizeof(rxstats)) {
 282                 struct rx_debugIn debug;
 283                 memcpy(&debug, &rxstats, sizeof(debug));
 284                 if (debug.type == RX_DEBUGI_BADTYPE)
 285                     goto noRxStats;
 286                 printf
 287                     ("WARNING: returned Rx statistics of unexpected size (got %d)\n",
 288                      code);
 289                 /* handle other versions?... */
 290             }
 291
 292             rx_PrintTheseStats(stdout, &rxstats, sizeof(rxstats),
 293                                tstats.nFreePackets, tstats.version);
 294         }
 295     }
 296
 297     if (!noConns) {
 298         if (allconns) {
 299             if (!withAllConn)
 300                 fprintf(stderr,
 301                         "WARNING: Server doesn't support retrieval of all connections,\n         getting only interesting instead.\n");
 302         }
 303
 304         if (onlyServer)
 305             printf("Showing only server connections\n");
 306         if (onlyClient)
 307             printf("Showing only client connections\n");
 308         if (onlyAuth != 999) {
 309             static char *name[] =
 310                 { "unauthenticated", "rxkad_clear", "rxkad_auth",
 311                 "rxkad_crypt"
 312             };
 313             printf("Showing only %s connections\n", name[onlyAuth + 1]);
 314         }
 315         if (onlyHost != -1) {
 316             hostAddr.s_addr = onlyHost;
 317             afs_inet_ntoa_r(hostAddr.s_addr, hoststr);
 318             printf("Showing only connections from host %s\n",
 319                    hoststr);
 320         }
 321         if (onlyPort != -1)
 322             printf("Showing only connections on port %u\n", ntohs(onlyPort));
 323
 324         for (i = 0;; i++) {
 325             code =
 326                 rx_GetServerConnections(s, host, port, &nextconn, allconns,
 327                                         supportedDebugValues, &tconn,
 328                                         &supportedConnValues);
 329             if (code < 0) {
 330                 printf("getconn call failed with code %d\n", code);
 331                 break;
 332             }
 333             if (tconn.cid == (afs_int32) 0xffffffff) {
 334                 printf("Done.\n");
 335                 break;
 336             }
 337
 338             /* see if we're in nodally mode and all calls are dallying */
 339             if (nodally) {
 340                 flag = 0;
 341                 for (j = 0; j < RX_MAXCALLS; j++) {
 342                     if (tconn.callState[j] != RX_STATE_NOTINIT
 343                         && tconn.callState[j] != RX_STATE_DALLY) {
 344                         flag = 1;
 345                         break;
 346                     }
 347                 }
 348                 if (flag == 0) {
 349                     /* this call looks too ordinary, bump skipped count and go
 350                      * around again */
 351                     dallyCounter++;
 352                     continue;
 353                 }
 354             }
 355             if ((onlyHost != -1) && (onlyHost != tconn.host))
 356                 continue;
 357             if ((onlyPort != -1) && (onlyPort != tconn.port))
 358                 continue;
 359             if (onlyServer && (tconn.type != RX_SERVER_CONNECTION))
 360                 continue;
 361             if (onlyClient && (tconn.type != RX_CLIENT_CONNECTION))
 362                 continue;
 363             if (onlyAuth != 999) {
 364                 if (onlyAuth == -1) {
 365                     if (tconn.securityIndex != RX_SECIDX_NULL)
 366                         continue;
 367                 } else {
 368                     if (tconn.securityIndex != RX_SECIDX_KAD)
 369                         continue;
 370                     if (withSecStats && (tconn.secStats.type == RX_SECTYPE_KAD)
 371                         && (tconn.secStats.level != onlyAuth))
 372                         continue;
 373                 }
 374             }
 375
 376             /* now display the connection */
 377             hostAddr.s_addr = tconn.host;
 378             afs_inet_ntoa_r(hostAddr.s_addr, hoststr);
 379             printf("Connection from host %s, port %hu, ", hoststr,
 380                    ntohs(tconn.port));
 381             if (tconn.epoch)
 382                 printf("Cuid %x/%x", tconn.epoch, tconn.cid);
 383             else
 384                 printf("cid %x", tconn.cid);
 385             if (tconn.error)
 386                 printf(", error %d", tconn.error);
 387             printf("\n  serial %d, ", tconn.serial);
 388             printf(" natMTU %d, ", tconn.natMTU);
 389
 390             if (tconn.flags) {
 391                 printf("flags");
 392                 if (tconn.flags & RX_CONN_MAKECALL_WAITING)
 393                     printf(" MAKECALL_WAITING");
 394                 if (tconn.flags & RX_CONN_DESTROY_ME)
 395                     printf(" DESTROYED");
 396                 if (tconn.flags & RX_CONN_USING_PACKET_CKSUM)
 397                     printf(" pktCksum");
 398                 if (tconn.flags & RX_CONN_KNOW_WINDOW)
 399                     printf(" knowWindow");
 400                 if (tconn.flags & RX_CONN_RESET)
 401                     printf(" reset");
 402                 if (tconn.flags & RX_CONN_BUSY)
 403                     printf(" busy");
 404                 if (tconn.flags & RX_CONN_ATTACHWAIT)
 405                     printf(" attachWait");
 406                 printf(", ");
 407             }
 408             printf("security index %d, ", tconn.securityIndex);
 409             if (tconn.type == RX_CLIENT_CONNECTION)
 410                 printf("client conn\n");
 411             else
 412                 printf("server conn\n");
 413
 414             if (withSecStats) {
 415                 switch ((int)tconn.secStats.type) {
 416                 case RX_SECTYPE_UNK:
 417                     if (tconn.securityIndex == RX_SECIDX_KAD)
 418                         printf
 419                             ("  no GetStats procedure for security object\n");
 420                     break;
 421                 case RX_SECTYPE_NULL:
 422                     printf("  rxnull level=%d, flags=%d\n",
 423                            tconn.secStats.level, tconn.secStats.flags);
 424                     break;
 425                 case RX_SECTYPE_VAB:
 426                     printf("  rxvab level=%d, flags=%d\n",
 427                            tconn.secStats.level, tconn.secStats.flags);
 428                     break;
 429                 case RX_SECTYPE_KAD:{
 430                         char *level;
 431                         char flags = tconn.secStats.flags;
 432                         if (tconn.secStats.level == 0)
 433                             level = "clear";
 434                         else if (tconn.secStats.level == 1)
 435                             level = "auth";
 436                         else if (tconn.secStats.level == 2)
 437                             level = "crypt";
 438                         else
 439                             level = "unknown";
 440                         printf("  rxkad: level %s", level);
 441                         if (flags)
 442                             printf(", flags");
 443                         if (flags & 1)
 444                             printf(" unalloc");
 445                         if (flags & 2)
 446                             printf(" authenticated");
 447                         if (flags & 4)
 448                             printf(" expired");
 449                         if (flags & 8)
 450                             printf(" pktCksum");
 451                         if (tconn.secStats.expires)
 452                             /* Apparently due to a bug in the RT compiler that
 453                              * prevents (afs_uint32)0xffffffff => (double) from working,
 454                              * this code produces negative lifetimes when run on the
 455                              * RT. */
 456                             printf(", expires in %.1f hours",
 457                                    ((afs_uint32) tconn.secStats.expires -
 458                                     time(0)) / 3600.0);
 459                         if (!(flags & 1)) {
 460                             printf("\n  Received %u bytes in %u packets\n",
 461                                    tconn.secStats.bytesReceived,
 462                                    tconn.secStats.packetsReceived);
 463                             printf("  Sent %u bytes in %u packets\n",
 464                                    tconn.secStats.bytesSent,
 465                                    tconn.secStats.packetsSent);
 466                         } else
 467                             printf("\n");
 468                         break;
 469                     }
 470
 471                 default:
 472                     printf("  unknown\n");
 473                 }
 474             }
 475
 476             for (j = 0; j < RX_MAXCALLS; j++) {
 477                 printf("    call %d: # %d, state ", j, tconn.callNumber[j]);
 478                 if (tconn.callState[j] == RX_STATE_NOTINIT) {
 479                     printf("not initialized\n");
 480                     continue;
 481                 } else if (tconn.callState[j] == RX_STATE_PRECALL)
 482                     printf("precall, ");
 483                 else if (tconn.callState[j] == RX_STATE_ACTIVE)
 484                     printf("active, ");
 485                 else if (tconn.callState[j] == RX_STATE_DALLY)
 486                     printf("dally, ");
 487                 else if (tconn.callState[j] == RX_STATE_HOLD)
 488                     printf("hold, ");
 489                 else if (tconn.callState[j] == RX_STATE_RESET)
 490                     printf("reset, ");
 491                 printf("mode: ");
 492                 if (tconn.callMode[j] == RX_MODE_SENDING)
 493                     printf("sending");
 494                 else if (tconn.callMode[j] == RX_MODE_RECEIVING)
 495                     printf("receiving");
 496                 else if (tconn.callMode[j] == RX_MODE_ERROR)
 497                     printf("error");
 498                 else if (tconn.callMode[j] == RX_MODE_EOF)
 499                     printf("eof");
 500                 else
 501                     printf("unknown");
 502                 if (tconn.callFlags[j]) {
 503                     printf(", flags:");
 504                     if (tconn.callFlags[j] & RX_CALL_READER_WAIT)
 505                         printf(" reader_wait");
 506                     if (tconn.callFlags[j] & RX_CALL_WAIT_WINDOW_ALLOC)
 507                         printf(" window_alloc");
 508                     if (tconn.callFlags[j] & RX_CALL_WAIT_WINDOW_SEND)
 509                         printf(" window_send");
 510                     if (tconn.callFlags[j] & RX_CALL_WAIT_PACKETS)
 511                         printf(" wait_packets");
 512                     if (tconn.callFlags[j] & RX_CALL_WAIT_PROC)
 513                         printf(" waiting_for_process");
 514                     if (tconn.callFlags[j] & RX_CALL_RECEIVE_DONE)
 515                         printf(" receive_done");
 516                     if (tconn.callFlags[j] & RX_CALL_CLEARED)
 517                         printf(" call_cleared");
 518                 }
 519                 if (tconn.callOther[j] & RX_OTHER_IN)
 520                     printf(", has_input_packets");
 521                 if (tconn.callOther[j] & RX_OTHER_OUT)
 522                     printf(", has_output_packets");
 523                 printf("\n");
 524             }
 525         }
 526         if (nodally)
 527             printf("Skipped %d dallying connections.\n", dallyCounter);
 528     }
 529     if (showPeers && withPeers) {
 530         for (i = 0;; i++) {
 531             struct rx_debugPeer tpeer;
 532             code =
 533                 rx_GetServerPeers(s, host, port, &nextpeer, allconns, &tpeer,
 534                                   &supportedPeerValues);
 535             if (code < 0) {
 536                 printf("getpeer call failed with code %d\n", code);
 537                 break;
 538             }
 539             if (tpeer.host == 0xffffffff) {
 540                 printf("Done.\n");
 541                 break;
 542             }
 543
 544             if ((onlyHost != -1) && (onlyHost != tpeer.host))
 545                 continue;
 546             if ((onlyPort != -1) && (onlyPort != tpeer.port))
 547                 continue;
 548
 549             /* now display the peer */
 550             hostAddr.s_addr = tpeer.host;
 551             afs_inet_ntoa_r(hostAddr.s_addr, hoststr);
 552             printf("Peer at host %s, port %hu\n", hoststr,
 553                    ntohs(tpeer.port));
 554             printf("\tifMTU %hu\tnatMTU %hu\tmaxMTU %hu\n", tpeer.ifMTU,
 555                    tpeer.natMTU, tpeer.maxMTU);
 556             printf("\tpackets sent %u\tpacket resends %u\n", tpeer.nSent,
 557                    tpeer.reSends);
 558             printf("\tbytes sent high %u low %u\n", tpeer.bytesSent.high,
 559                    tpeer.bytesSent.low);
 560             printf("\tbytes received high %u low %u\n",
 561                    tpeer.bytesReceived.high, tpeer.bytesReceived.low);
 562             printf("\trtt %u msec, rtt_dev %u msec\n", tpeer.rtt >> 3,
 563                    tpeer.rtt_dev >> 2);
 564             printf("\ttimeout %u.%03u sec\n", tpeer.timeout.sec,
 565                    tpeer.timeout.usec / 1000);
 566             if (!showLong)
 567                 continue;
 568
 569             printf("\tin/out packet skew: %d/%d\n", tpeer.inPacketSkew,
 570                     tpeer.outPacketSkew);
 571             printf("\tcongestion window %d, MTU %d\n", tpeer.cwind,
 572                    tpeer.MTU);
 573             printf("\tcurrent/if/max jumbogram size: %d/%d/%d\n",
 574                    tpeer.nDgramPackets, tpeer.ifDgramPackets,
 575                    tpeer.maxDgramPackets);
 576         }
 577     }
 578     exit(0);
 579 }
 580
 581 /* simple main program */
 582 #ifndef AFS_NT40_ENV
 583 #include "AFS_component_version_number.c"
 584 #endif
 585 int
 586 main(int argc, char **argv)
 587 {
 588     struct cmd_syndesc *ts;
 589
 590 #ifdef RXDEBUG
 591     rxi_DebugInit();
 592 #endif
 593 #ifdef AFS_NT40_ENV
 594     if (afs_winsockInit() < 0) {
 595         printf("%s: Couldn't initialize winsock. Exiting...\n", argv[0]);
 596         return 1;
 597     }
 598 #endif
 599
 600     ts = cmd_CreateSyntax(NULL, MainCommand, NULL, "probe RX server");
 601     cmd_AddParm(ts, "-servers", CMD_SINGLE, CMD_REQUIRED, "server machine");
 602     cmd_AddParm(ts, "-port", CMD_SINGLE, CMD_OPTIONAL, "IP port");
 603     cmd_AddParm(ts, "-nodally", CMD_FLAG, CMD_OPTIONAL,
 604                 "don't show dallying conns");
 605     cmd_AddParm(ts, "-allconnections", CMD_FLAG, CMD_OPTIONAL,
 606                 "don't filter out uninteresting connections on server");
 607     cmd_AddParm(ts, "-rxstats", CMD_FLAG, CMD_OPTIONAL, "show Rx statistics");
 608     cmd_AddParm(ts, "-onlyserver", CMD_FLAG, CMD_OPTIONAL,
 609                 "only show server conns");
 610     cmd_AddParm(ts, "-onlyclient", CMD_FLAG, CMD_OPTIONAL,
 611                 "only show client conns");
 612     cmd_AddParm(ts, "-onlyport", CMD_SINGLE, CMD_OPTIONAL,
 613                 "show only <port>");
 614     cmd_AddParm(ts, "-onlyhost", CMD_SINGLE, CMD_OPTIONAL,
 615                 "show only <host>");
 616     cmd_AddParm(ts, "-onlyauth", CMD_SINGLE, CMD_OPTIONAL,
 617                 "show only <auth level>");
 618
 619     cmd_AddParm(ts, "-version", CMD_FLAG, CMD_OPTIONAL,
 620                 "show AFS version id");
 621     cmd_AddParm(ts, "-noconns", CMD_FLAG, CMD_OPTIONAL,
 622                 "show no connections");
 623     cmd_AddParm(ts, "-peers", CMD_FLAG, CMD_OPTIONAL, "show peers");
 624     cmd_AddParm(ts, "-long", CMD_FLAG, CMD_OPTIONAL, "detailed output");
 625
 626     cmd_Dispatch(argc, argv);
 627     exit(0);
 628 }