src/rx/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
  13 RCSID
  14     ("$Header$");
  15
  16 #include <sys/types.h>
  17 #include <errno.h>
  18 #ifdef AFS_NT40_ENV
  19 #include <winsock2.h>
  20 #else
  21 #include <sys/socket.h>
  22 #include <sys/file.h>
  23 #include <netdb.h>
  24 #endif
  25 #ifdef HAVE_NETINET_IN_H
  26 #include <netinet/in.h>
  27 #endif
  28 #ifdef HAVE_SYS_TIME_H
  29 #include <sys/time.h>
  30 #endif
  31 #ifdef HAVE_UNISTD_H
  32 #include <unistd.h>
  33 #endif
  34 #ifdef HAVE_STRING_H
  35 #include <string.h>
  36 #else
  37 #ifdef HAVE_STRINGS_H
  38 #include <strings.h>
  39 #endif
  40 #endif
  41 #include <sys/stat.h>
  42 #include <afs/stds.h>
  43 #include <afs/cmd.h>
  44
  45 #include <stdio.h>
  46
  47 #include "rx_user.h"
  48 #include "rx_clock.h"
  49 #include "rx_queue.h"
  50 #include "rx.h"
  51 #include "rx_globals.h"
  52
  53
  54 #define TIMEOUT     20
  55
  56 static short
  57 PortNumber(aport)
  58      register char *aport;
  59 {
  60     register int tc;
  61     register short total;
  62
  63     total = 0;
  64     while (tc = *aport++) {
  65         if (tc < '0' || tc > '9')
  66             return -1;          /* bad port number */
  67         total *= 10;
  68         total += tc - (int)'0';
  69     }
  70     return htons(total);
  71 }
  72
  73 static short
  74 PortName(aname)
  75      register char *aname;
  76 {
  77     register struct servent *ts;
  78     ts = getservbyname(aname, NULL);
  79     if (!ts)
  80         return -1;
  81     return ts->s_port;          /* returns it in network byte order */
  82 }
  83
  84 int
  85 MainCommand(as, arock)
  86      char *arock;
  87      struct cmd_syndesc *as;
  88 {
  89     register int i;
  90     int s;
  91     int j;
  92     struct sockaddr_in taddr;
  93     afs_int32 host;
  94     struct in_addr hostAddr;
  95     short port;
  96     struct hostent *th;
  97     register afs_int32 code;
  98     int nodally;
  99     int allconns;
 100     int rxstats;
 101     int onlyClient, onlyServer;
 102     afs_int32 onlyHost;
 103     short onlyPort;
 104     int onlyAuth;
 105     int flag;
 106     int dallyCounter;
 107     int withSecStats;
 108     int withAllConn;
 109     int withRxStats;
 110     int withWaiters;
 111     int withIdleThreads;
 112     int withWaited;
 113     int withPeers;
 114     struct rx_debugStats tstats;
 115     char *portName, *hostName;
 116     char hoststr[20];
 117     struct rx_debugConn tconn;
 118     short noConns;
 119     short showPeers;
 120     int version_flag;
 121     char version[64];
 122     afs_int32 length = 64;
 123
 124     afs_uint32 supportedDebugValues = 0;
 125     afs_uint32 supportedStatValues = 0;
 126     afs_uint32 supportedConnValues = 0;
 127     afs_uint32 supportedPeerValues = 0;
 128     afs_int32 nextconn = 0;
 129     afs_int32 nextpeer = 0;
 130
 131     nodally = (as->parms[2].items ? 1 : 0);
 132     allconns = (as->parms[3].items ? 1 : 0);
 133     rxstats = (as->parms[4].items ? 1 : 0);
 134     onlyServer = (as->parms[5].items ? 1 : 0);
 135     onlyClient = (as->parms[6].items ? 1 : 0);
 136     version_flag = (as->parms[10].items ? 1 : 0);
 137     noConns = (as->parms[11].items ? 1 : 0);
 138     showPeers = (as->parms[12].items ? 1 : 0);
 139
 140     if (as->parms[0].items)
 141         hostName = as->parms[0].items->data;
 142     else
 143         hostName = NULL;
 144
 145     if (as->parms[1].items)
 146         portName = as->parms[1].items->data;
 147     else
 148         portName = NULL;
 149
 150     if (as->parms[7].items) {
 151         char *name = as->parms[7].items->data;
 152         if ((onlyPort = PortNumber(name)) == -1)
 153             onlyPort = PortName(name);
 154         if (onlyPort == -1) {
 155             printf("rxdebug: can't resolve port name %s\n", name);
 156             exit(1);
 157         }
 158     } else
 159         onlyPort = -1;
 160
 161     if (as->parms[8].items) {
 162         char *name = as->parms[8].items->data;
 163         struct hostent *th;
 164         th = hostutil_GetHostByName(name);
 165         if (!th) {
 166             printf("rxdebug: host %s not found in host table\n", name);
 167             exit(1);
 168         }
 169         memcpy(&onlyHost, th->h_addr, sizeof(afs_int32));
 170     } else
 171         onlyHost = -1;
 172
 173     if (as->parms[9].items) {
 174         char *name = as->parms[9].items->data;
 175         if (strcmp(name, "clear") == 0)
 176             onlyAuth = 0;
 177         else if (strcmp(name, "auth") == 0)
 178             onlyAuth = 1;
 179         else if (strcmp(name, "crypt") == 0)
 180             onlyAuth = 2;
 181         else if ((strcmp(name, "null") == 0) || (strcmp(name, "none") == 0)
 182                  || (strncmp(name, "noauth", 6) == 0)
 183                  || (strncmp(name, "unauth", 6) == 0))
 184             onlyAuth = -1;
 185         else {
 186             fprintf(stderr, "Unknown authentication level: %s\n", name);
 187             exit(1);
 188         }
 189     } else
 190         onlyAuth = 999;
 191
 192     /* lookup host */
 193     if (hostName) {
 194         th = hostutil_GetHostByName(hostName);
 195         if (!th) {
 196             printf("rxdebug: host %s not found in host table\n", hostName);
 197             exit(1);
 198         }
 199         memcpy(&host, th->h_addr, sizeof(afs_int32));
 200     } else
 201         host = htonl(0x7f000001);       /* IP localhost */
 202
 203     if (!portName)
 204         port = htons(7000);     /* default is fileserver */
 205     else {
 206         if ((port = PortNumber(portName)) == -1)
 207             port = PortName(portName);
 208         if (port == -1) {
 209             printf("rxdebug: can't resolve port name %s\n", portName);
 210             exit(1);
 211         }
 212     }
 213
 214     dallyCounter = 0;
 215
 216     hostAddr.s_addr = host;
 217     afs_inet_ntoa_r(hostAddr.s_addr, hoststr);
 218     printf("Trying %s (port %d):\n", hoststr, ntohs(port));
 219     s = socket(AF_INET, SOCK_DGRAM, 0);
 220     taddr.sin_family = AF_INET;
 221     taddr.sin_port = 0;
 222     taddr.sin_addr.s_addr = 0;
 223 #ifdef STRUCT_SOCKADDR_HAS_SA_LEN
 224     taddr.sin_len = sizeof(struct sockaddr_in);
 225 #endif
 226     code = bind(s, (struct sockaddr *)&taddr, sizeof(struct sockaddr_in));
 227     if (code) {
 228         perror("bind");
 229         exit(1);
 230     }
 231
 232     if (version_flag) {
 233
 234         code = rx_GetServerVersion(s, host, port, length, version);
 235         if (code < 0) {
 236             printf("get version call failed with code %d, errno %d\n", code,
 237                    errno);
 238             exit(1);
 239         }
 240         printf("AFS version: %s\n", version);
 241         fflush(stdout);
 242
 243         exit(0);
 244
 245     }
 246
 247
 248     code = rx_GetServerDebug(s, host, port, &tstats, &supportedDebugValues);
 249     if (code < 0) {
 250         printf("getstats call failed with code %d\n", code);
 251         exit(1);
 252     }
 253
 254     withSecStats = (supportedDebugValues & RX_SERVER_DEBUG_SEC_STATS);
 255     withAllConn = (supportedDebugValues & RX_SERVER_DEBUG_ALL_CONN);
 256     withRxStats = (supportedDebugValues & RX_SERVER_DEBUG_RX_STATS);
 257     withWaiters = (supportedDebugValues & RX_SERVER_DEBUG_WAITER_CNT);
 258     withIdleThreads = (supportedDebugValues & RX_SERVER_DEBUG_IDLE_THREADS);
 259     withWaited = (supportedDebugValues & RX_SERVER_DEBUG_WAITED_CNT);
 260     withPeers = (supportedDebugValues & RX_SERVER_DEBUG_ALL_PEER);
 261
 262     printf("Free packets: %d, packet reclaims: %d, calls: %d, used FDs: %d\n",
 263            tstats.nFreePackets, tstats.packetReclaims, tstats.callsExecuted,
 264            tstats.usedFDs);
 265     if (!tstats.waitingForPackets)
 266         printf("not ");
 267     printf("waiting for packets.\n");
 268     if (withWaiters)
 269         printf("%d calls waiting for a thread\n", tstats.nWaiting);
 270     if (withIdleThreads)
 271         printf("%d threads are idle\n", tstats.idleThreads);
 272     if (withWaited)
 273         printf("%d calls have waited for a thread\n", tstats.nWaited);
 274
 275     if (rxstats) {
 276         if (!withRxStats) {
 277           noRxStats:
 278             withRxStats = 0;
 279             fprintf(stderr,
 280                     "WARNING: Server doesn't support retrieval of Rx statistics\n");
 281         } else {
 282             struct rx_stats rxstats;
 283
 284             /* should gracefully handle the case where rx_stats grows */
 285             code =
 286                 rx_GetServerStats(s, host, port, &rxstats,
 287                                   &supportedStatValues);
 288             if (code < 0) {
 289                 printf("rxstats call failed with code %d\n", code);
 290                 exit(1);
 291             }
 292             if (code != sizeof(rxstats)) {
 293                 if ((((struct rx_debugIn *)(&rxstats))->type ==
 294                      RX_DEBUGI_BADTYPE))
 295                     goto noRxStats;
 296                 printf
 297                     ("WARNING: returned Rx statistics of unexpected size (got %d)\n",
 298                      code);
 299                 /* handle other versions?... */
 300             }
 301
 302             rx_PrintTheseStats(stdout, &rxstats, sizeof(rxstats),
 303                                tstats.nFreePackets, tstats.version);
 304         }
 305     }
 306
 307     if (!noConns) {
 308         if (allconns) {
 309             if (!withAllConn)
 310                 fprintf(stderr,
 311                         "WARNING: Server doesn't support retrieval of all connections,\n         getting only interesting instead.\n");
 312         }
 313
 314         if (onlyServer)
 315             printf("Showing only server connections\n");
 316         if (onlyClient)
 317             printf("Showing only client connections\n");
 318         if (onlyAuth != 999) {
 319             static char *name[] =
 320                 { "unauthenticated", "rxkad_clear", "rxkad_auth",
 321                 "rxkad_crypt"
 322             };
 323             printf("Showing only %s connections\n", name[onlyAuth + 1]);
 324         }
 325         if (onlyHost != -1) {
 326             hostAddr.s_addr = onlyHost;
 327             afs_inet_ntoa_r(hostAddr.s_addr, hoststr);
 328             printf("Showing only connections from host %s\n",
 329                    hoststr);
 330         }
 331         if (onlyPort != -1)
 332             printf("Showing only connections on port %u\n", ntohs(onlyPort));
 333
 334         for (i = 0;; i++) {
 335             code =
 336                 rx_GetServerConnections(s, host, port, &nextconn, allconns,
 337                                         supportedDebugValues, &tconn,
 338                                         &supportedConnValues);
 339             if (code < 0) {
 340                 printf("getconn call failed with code %d\n", code);
 341                 break;
 342             }
 343             if (tconn.cid == (afs_int32) 0xffffffff) {
 344                 printf("Done.\n");
 345                 break;
 346             }
 347
 348             /* see if we're in nodally mode and all calls are dallying */
 349             if (nodally) {
 350                 flag = 0;
 351                 for (j = 0; j < RX_MAXCALLS; j++) {
 352                     if (tconn.callState[j] != RX_STATE_NOTINIT
 353                         && tconn.callState[j] != RX_STATE_DALLY) {
 354                         flag = 1;
 355                         break;
 356                     }
 357                 }
 358                 if (flag == 0) {
 359                     /* this call looks too ordinary, bump skipped count and go
 360                      * around again */
 361                     dallyCounter++;
 362                     continue;
 363                 }
 364             }
 365             if ((onlyHost != -1) && (onlyHost != tconn.host))
 366                 continue;
 367             if ((onlyPort != -1) && (onlyPort != tconn.port))
 368                 continue;
 369             if (onlyServer && (tconn.type != RX_SERVER_CONNECTION))
 370                 continue;
 371             if (onlyClient && (tconn.type != RX_CLIENT_CONNECTION))
 372                 continue;
 373             if (onlyAuth != 999) {
 374                 if (onlyAuth == -1) {
 375                     if (tconn.securityIndex != 0)
 376                         continue;
 377                 } else {
 378                     if (tconn.securityIndex != 2)
 379                         continue;
 380                     if (withSecStats && (tconn.secStats.type == 3)
 381                         && (tconn.secStats.level != onlyAuth))
 382                         continue;
 383                 }
 384             }
 385
 386             /* now display the connection */
 387             hostAddr.s_addr = tconn.host;
 388             afs_inet_ntoa_r(hostAddr.s_addr, hoststr);
 389             printf("Connection from host %s, port %hu, ", hoststr,
 390                    ntohs(tconn.port));
 391             if (tconn.epoch)
 392                 printf("Cuid %x/%x", tconn.epoch, tconn.cid);
 393             else
 394                 printf("cid %x", tconn.cid);
 395             if (tconn.error)
 396                 printf(", error %d", tconn.error);
 397             printf("\n  serial %d, ", tconn.serial);
 398             printf(" natMTU %d, ", tconn.natMTU);
 399
 400             if (tconn.flags) {
 401                 printf("flags");
 402                 if (tconn.flags & RX_CONN_MAKECALL_WAITING)
 403                     printf(" MAKECALL_WAITING");
 404                 if (tconn.flags & RX_CONN_DESTROY_ME)
 405                     printf(" DESTROYED");
 406                 if (tconn.flags & RX_CONN_USING_PACKET_CKSUM)
 407                     printf(" pktCksum");
 408                 printf(", ");
 409             }
 410             printf("security index %d, ", tconn.securityIndex);
 411             if (tconn.type == RX_CLIENT_CONNECTION)
 412                 printf("client conn\n");
 413             else
 414                 printf("server conn\n");
 415
 416             if (withSecStats) {
 417                 switch ((int)tconn.secStats.type) {
 418                 case 0:
 419                     if (tconn.securityIndex == 2)
 420                         printf
 421                             ("  no GetStats procedure for security object\n");
 422                     break;
 423                 case 1:
 424                     printf("  rxnull level=%d, flags=%d\n",
 425                            tconn.secStats.level, tconn.secStats.flags);
 426                     break;
 427                 case 2:
 428                     printf("  rxvab level=%d, flags=%d\n",
 429                            tconn.secStats.level, tconn.secStats.flags);
 430                     break;
 431                 case 3:{
 432                         char *level;
 433                         char flags = tconn.secStats.flags;
 434                         if (tconn.secStats.level == 0)
 435                             level = "clear";
 436                         else if (tconn.secStats.level == 1)
 437                             level = "auth";
 438                         else if (tconn.secStats.level == 2)
 439                             level = "crypt";
 440                         else
 441                             level = "unknown";
 442                         printf("  rxkad: level %s", level);
 443                         if (flags)
 444                             printf(", flags");
 445                         if (flags & 1)
 446                             printf(" unalloc");
 447                         if (flags & 2)
 448                             printf(" authenticated");
 449                         if (flags & 4)
 450                             printf(" expired");
 451                         if (flags & 8)
 452                             printf(" pktCksum");
 453                         if (tconn.secStats.expires)
 454                             /* Apparently due to a bug in the RT compiler that
 455                              * prevents (afs_uint32)0xffffffff => (double) from working,
 456                              * this code produces negative lifetimes when run on the
 457                              * RT. */
 458                             printf(", expires in %.1f hours",
 459                                    ((afs_uint32) tconn.secStats.expires -
 460                                     time(0)) / 3600.0);
 461                         if (!(flags & 1)) {
 462                             printf("\n  Received %u bytes in %u packets\n",
 463                                    tconn.secStats.bytesReceived,
 464                                    tconn.secStats.packetsReceived);
 465                             printf("  Sent %u bytes in %u packets\n",
 466                                    tconn.secStats.bytesSent,
 467                                    tconn.secStats.packetsSent);
 468                         } else
 469                             printf("\n");
 470                         break;
 471                     }
 472
 473                 default:
 474                     printf("  unknown\n");
 475                 }
 476             }
 477
 478             for (j = 0; j < RX_MAXCALLS; j++) {
 479                 printf("    call %d: # %d, state ", j, tconn.callNumber[j]);
 480                 if (tconn.callState[j] == RX_STATE_NOTINIT) {
 481                     printf("not initialized\n");
 482                     continue;
 483                 } else if (tconn.callState[j] == RX_STATE_PRECALL)
 484                     printf("precall, ");
 485                 else if (tconn.callState[j] == RX_STATE_ACTIVE)
 486                     printf("active, ");
 487                 else if (tconn.callState[j] == RX_STATE_DALLY)
 488                     printf("dally, ");
 489                 else if (tconn.callState[j] == RX_STATE_HOLD)
 490                     printf("hold, ");
 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         }
 567     }
 568     exit(0);
 569 }
 570
 571 /* simple main program */
 572 #ifndef AFS_NT40_ENV
 573 #include "AFS_component_version_number.c"
 574 #endif
 575 int
 576 main(argc, argv)
 577      int argc;
 578      char **argv;
 579 {
 580     struct cmd_syndesc *ts;
 581
 582 #ifdef AFS_NT40_ENV
 583     if (afs_winsockInit() < 0) {
 584         printf("%s: Couldn't initialize winsock. Exiting...\n", argv[0]);
 585         return 1;
 586     }
 587 #endif
 588
 589     ts = cmd_CreateSyntax(NULL, MainCommand, 0, "probe RX server");
 590     cmd_AddParm(ts, "-servers", CMD_SINGLE, CMD_REQUIRED, "server machine");
 591     cmd_AddParm(ts, "-port", CMD_SINGLE, CMD_OPTIONAL, "IP port");
 592     cmd_AddParm(ts, "-nodally", CMD_FLAG, CMD_OPTIONAL,
 593                 "don't show dallying conns");
 594     cmd_AddParm(ts, "-allconnections", CMD_FLAG, CMD_OPTIONAL,
 595                 "don't filter out uninteresting connections on server");
 596     cmd_AddParm(ts, "-rxstats", CMD_FLAG, CMD_OPTIONAL, "show Rx statistics");
 597     cmd_AddParm(ts, "-onlyserver", CMD_FLAG, CMD_OPTIONAL,
 598                 "only show server conns");
 599     cmd_AddParm(ts, "-onlyclient", CMD_FLAG, CMD_OPTIONAL,
 600                 "only show client conns");
 601     cmd_AddParm(ts, "-onlyport", CMD_SINGLE, CMD_OPTIONAL,
 602                 "show only <port>");
 603     cmd_AddParm(ts, "-onlyhost", CMD_SINGLE, CMD_OPTIONAL,
 604                 "show only <host>");
 605     cmd_AddParm(ts, "-onlyauth", CMD_SINGLE, CMD_OPTIONAL,
 606                 "show only <auth level>");
 607
 608     cmd_AddParm(ts, "-version", CMD_FLAG, CMD_OPTIONAL,
 609                 "show AFS version id");
 610     cmd_AddParm(ts, "-noconns", CMD_FLAG, CMD_OPTIONAL,
 611                 "show no connections");
 612     cmd_AddParm(ts, "-peers", CMD_FLAG, CMD_OPTIONAL, "show peers");
 613
 614     cmd_Dispatch(argc, argv);
 615     exit(0);
 616 }