src/vol/fssync-debug.c

   1 /*
   2  * Copyright 2006-2010, Sine Nomine Associates 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 /* Main program file. Define globals. */
  11 #define MAIN 1
  12
  13 /*
  14  * fssync administration tool
  15  */
  16
  17
  18 #include <afsconfig.h>
  19 #include <afs/param.h>
  20
  21 #include <roken.h>
  22
  23 #ifdef AFS_NT40_ENV
  24 #include <WINNT/afsevent.h>
  25 #endif
  26
  27 #include <afs/opr.h>
  28 #include <opr/lock.h>
  29 #include <afs/afsint.h>
  30
  31 #ifndef AFS_NT40_ENV
  32 #include <afs/osi_inode.h>
  33 #endif
  34
  35 #include <afs/cmd.h>
  36 #include <afs/dir.h>
  37 #include <afs/afsutil.h>
  38 #include <afs/fileutil.h>
  39 #include <rx/rx_queue.h>
  40
  41 #include "nfs.h"
  42 #include "lock.h"
  43 #include "ihandle.h"
  44 #include "vnode.h"
  45 #include "volume.h"
  46 #include "volume_inline.h"
  47 #include "partition.h"
  48 #include "daemon_com.h"
  49 #include "daemon_com_inline.h"
  50 #include "fssync.h"
  51 #include "fssync_inline.h"
  52 #include "vg_cache.h"
  53 #ifdef AFS_NT40_ENV
  54 #include <pthread.h>
  55 #endif
  56
  57 int VolumeChanged; /* hack to make dir package happy */
  58
  59
  60 struct volop_state {
  61     afs_uint32 volume;
  62     afs_uint32 vnode;
  63     afs_uint32 unique;
  64     char partName[16];
  65 };
  66
  67 struct fssync_state {
  68     afs_int32 reason;
  69     struct volop_state * vop;
  70 };
  71
  72 #ifndef AFS_DEMAND_ATTACH_FS
  73 /* remember argv/argc for later, if we need to re-exec */
  74 static char **fssd_argv;
  75 static int fssd_argc;
  76 #endif
  77
  78 static int common_prolog(struct cmd_syndesc *, struct fssync_state *);
  79 static int common_volop_prolog(struct cmd_syndesc *, struct fssync_state *);
  80
  81 static int do_volop(struct fssync_state *, afs_int32 command,
  82                     SYNC_response * res);
  83
  84 static int VolOnline(struct cmd_syndesc * as, void * rock);
  85 static int VolOffline(struct cmd_syndesc * as, void * rock);
  86 static int VolMode(struct cmd_syndesc * as, void * rock);
  87 static int VolDetach(struct cmd_syndesc * as, void * rock);
  88 static int VolBreakCBKs(struct cmd_syndesc * as, void * rock);
  89 static int VolMove(struct cmd_syndesc * as, void * rock);
  90 static int VolList(struct cmd_syndesc * as, void * rock);
  91 static int VolLeaveOff(struct cmd_syndesc * as, void * rock);
  92 static int VolForceAttach(struct cmd_syndesc * as, void * rock);
  93 static int VolForceError(struct cmd_syndesc * as, void * rock);
  94 static int VolQuery(struct cmd_syndesc * as, void * rock);
  95 static int VolHdrQuery(struct cmd_syndesc * as, void * rock);
  96 static int VolOpQuery(struct cmd_syndesc * as, void * rock);
  97 static int StatsQuery(struct cmd_syndesc * as, void * rock);
  98 static int VnQuery(struct cmd_syndesc * as, void * rock);
  99
 100 static int VGCQuery(struct cmd_syndesc * as, void * rock);
 101 static int VGCAdd(struct cmd_syndesc * as, void * rock);
 102 static int VGCDel(struct cmd_syndesc * as, void * rock);
 103 static int VGCScan(struct cmd_syndesc * as, void * rock);
 104 static int VGCScanAll(struct cmd_syndesc * as, void * rock);
 105
 106 static void print_vol_stats_general(VolPkgStats * stats);
 107 static void print_vol_stats_viceP(struct DiskPartitionStats64 * stats);
 108 static void print_vol_stats_hash(struct VolumeHashChainStats * stats);
 109 #ifdef AFS_DEMAND_ATTACH_FS
 110 static void print_vol_stats_hdr(struct volume_hdr_LRU_stats * stats);
 111 #endif
 112
 113 #ifndef AFS_NT40_ENV
 114 #include "AFS_component_version_number.c"
 115 #endif
 116 #define MAX_ARGS 128
 117
 118 #define COMMON_PARMS_OFFSET    12
 119 #define COMMON_PARMS(ts) \
 120     cmd_Seek(ts, COMMON_PARMS_OFFSET); \
 121     cmd_AddParm(ts, "-reason", CMD_SINGLE, CMD_OPTIONAL, "sync protocol reason code"); \
 122     cmd_AddParm(ts, "-programtype", CMD_SINGLE, CMD_OPTIONAL, "program type code")
 123
 124 #define COMMON_VOLOP_PARMS_OFFSET    10
 125 #define COMMON_VOLOP_PARMS(ts) \
 126     cmd_Seek(ts, COMMON_VOLOP_PARMS_OFFSET); \
 127     cmd_AddParm(ts, "-volumeid", CMD_SINGLE, 0, "volume id"); \
 128     cmd_AddParm(ts, "-partition", CMD_SINGLE, CMD_OPTIONAL, "partition name")
 129
 130 #define CUSTOM_PARMS_OFFSET 1
 131
 132
 133 #define VOLOP_PARMS_DECL(ts) \
 134     COMMON_VOLOP_PARMS(ts); \
 135     COMMON_PARMS(ts)
 136 #define COMMON_PARMS_DECL(ts) \
 137     COMMON_PARMS(ts)
 138
 139 int
 140 main(int argc, char **argv)
 141 {
 142     struct cmd_syndesc *ts;
 143     int err = 0;
 144
 145     /* Initialize directory paths */
 146     if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) {
 147 #ifdef AFS_NT40_ENV
 148         ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0], 0);
 149 #endif
 150         fprintf(stderr, "%s: Unable to obtain AFS server directory.\n",
 151                 argv[0]);
 152         exit(2);
 153     }
 154
 155 #ifndef AFS_DEMAND_ATTACH_FS
 156     fssd_argv = argv;
 157     fssd_argc = argc;
 158 #endif
 159
 160     ts = cmd_CreateSyntax("online", VolOnline, NULL, "bring a volume online (FSYNC_VOL_ON opcode)");
 161     VOLOP_PARMS_DECL(ts);
 162
 163     ts = cmd_CreateSyntax("offline", VolOffline, NULL, "take a volume offline (FSYNC_VOL_OFF opcode)");
 164     VOLOP_PARMS_DECL(ts);
 165
 166     ts = cmd_CreateSyntax("mode", VolMode, NULL, "change volume attach mode (FSYNC_VOL_NEEDVOLUME opcode)");
 167     VOLOP_PARMS_DECL(ts);
 168     cmd_CreateAlias(ts, "needvolume");
 169
 170     ts = cmd_CreateSyntax("detach", VolDetach, NULL, "detach a volume (FSYNC_VOL_DONE opcode)");
 171     VOLOP_PARMS_DECL(ts);
 172
 173     ts = cmd_CreateSyntax("callback", VolBreakCBKs, NULL, "break callbacks for volume (FSYNC_VOL_BREAKCBKS opcode)");
 174     VOLOP_PARMS_DECL(ts);
 175     cmd_CreateAlias(ts, "cbk");
 176
 177     ts = cmd_CreateSyntax("move", VolMove, NULL, "set volume moved flag (FSYNC_VOL_MOVE opcode)");
 178     VOLOP_PARMS_DECL(ts);
 179
 180     ts = cmd_CreateSyntax("list", VolList, NULL, "sync local volume list (FSYNC_VOL_LISTVOLUMES opcode)");
 181     VOLOP_PARMS_DECL(ts);
 182     cmd_CreateAlias(ts, "ls");
 183
 184     ts = cmd_CreateSyntax("leaveoff", VolLeaveOff, 0, "leave volume offline (FSYNC_VOL_LEAVE_OFF opcode)");
 185     VOLOP_PARMS_DECL(ts);
 186
 187     ts = cmd_CreateSyntax("attach", VolForceAttach, 0, "force full attachment (FSYNC_VOL_ATTACH opcode)");
 188     VOLOP_PARMS_DECL(ts);
 189
 190     ts = cmd_CreateSyntax("error", VolForceError, 0, "force into hard error state (FSYNC_VOL_FORCE_ERROR opcode)");
 191     VOLOP_PARMS_DECL(ts);
 192
 193     ts = cmd_CreateSyntax("query", VolQuery, NULL, "get volume structure (FSYNC_VOL_QUERY opcode)");
 194     VOLOP_PARMS_DECL(ts);
 195     cmd_CreateAlias(ts, "qry");
 196
 197     ts = cmd_CreateSyntax("header", VolHdrQuery, NULL, "get volume disk data structure (FSYNC_VOL_QUERY_HDR opcode)");
 198     VOLOP_PARMS_DECL(ts);
 199     cmd_CreateAlias(ts, "hdr");
 200
 201     ts = cmd_CreateSyntax("volop", VolOpQuery, NULL, "get pending volume operation info (FSYNC_VOL_QUERY_VOP opcode)");
 202     VOLOP_PARMS_DECL(ts);
 203     cmd_CreateAlias(ts, "vop");
 204
 205     ts = cmd_CreateSyntax("vnode", VnQuery, NULL, "get vnode structure (FSYNC_VOL_QUERY_VNODE opcode)");
 206     cmd_Seek(ts, CUSTOM_PARMS_OFFSET);
 207     cmd_AddParm(ts, "-volumeid", CMD_SINGLE, 0, "volume id");
 208     cmd_AddParm(ts, "-vnodeid", CMD_SINGLE, 0, "vnode id");
 209     cmd_AddParm(ts, "-unique", CMD_SINGLE, 0, "uniquifier");
 210     cmd_AddParm(ts, "-partition", CMD_SINGLE, 0, "partition name");
 211     COMMON_PARMS_DECL(ts);
 212
 213     ts = cmd_CreateSyntax("stats", StatsQuery, NULL, "see 'stats help' for more information");
 214     cmd_Seek(ts, CUSTOM_PARMS_OFFSET);
 215     cmd_AddParm(ts, "-cmd", CMD_SINGLE, 0, "subcommand");
 216     cmd_AddParm(ts, "-arg1", CMD_SINGLE, CMD_OPTIONAL, "arg1");
 217     cmd_AddParm(ts, "-arg2", CMD_SINGLE, CMD_OPTIONAL, "arg2");
 218     COMMON_PARMS_DECL(ts);
 219
 220     ts = cmd_CreateSyntax("vgcquery", VGCQuery, 0, "query volume group cache (FSYNC_VG_QUERY opcode)");
 221     cmd_Seek(ts, CUSTOM_PARMS_OFFSET);
 222     cmd_AddParm(ts, "-partition", CMD_SINGLE, 0, "partition name");
 223     cmd_AddParm(ts, "-volumeid", CMD_SINGLE, 0, "volume id");
 224     COMMON_PARMS_DECL(ts);
 225     cmd_CreateAlias(ts, "vgcqry");
 226
 227     ts = cmd_CreateSyntax("vgcadd", VGCAdd, 0, "add entry to volume group cache (FSYNC_VG_ADD opcode)");
 228     cmd_Seek(ts, CUSTOM_PARMS_OFFSET);
 229     cmd_AddParm(ts, "-partition", CMD_SINGLE, 0, "partition name");
 230     cmd_AddParm(ts, "-parent", CMD_SINGLE, 0, "parent volume id");
 231     cmd_AddParm(ts, "-child", CMD_SINGLE, 0, "child volume id");
 232     COMMON_PARMS_DECL(ts);
 233
 234     ts = cmd_CreateSyntax("vgcdel", VGCDel, 0, "delete entry from volume group cache (FSYNC_VG_DEL opcode)");
 235     cmd_Seek(ts, CUSTOM_PARMS_OFFSET);
 236     cmd_AddParm(ts, "-partition", CMD_SINGLE, 0, "partition name");
 237     cmd_AddParm(ts, "-parent", CMD_SINGLE, 0, "parent volume id");
 238     cmd_AddParm(ts, "-child", CMD_SINGLE, 0, "child volume id");
 239     COMMON_PARMS_DECL(ts);
 240
 241     ts = cmd_CreateSyntax("vgcscan", VGCScan, 0,
 242                           "start volume group cache re-scan"
 243                           " (FSYNC_VG_SCAN opcode)");
 244     cmd_Seek(ts, CUSTOM_PARMS_OFFSET);
 245     cmd_AddParm(ts, "-partition", CMD_SINGLE, 0, "partition name");
 246     COMMON_PARMS_DECL(ts);
 247
 248     ts = cmd_CreateSyntax("vgcscanall", VGCScanAll, 0,
 249                           "start whole-server volume group cache re-scan"
 250                           " (FSYNC_VG_SCAN_ALL opcode)");
 251     COMMON_PARMS_DECL(ts);
 252
 253     err = cmd_Dispatch(argc, argv);
 254     exit(err);
 255 }
 256
 257 #ifdef AFS_DEMAND_ATTACH_FS
 258 # define dafs_prolog()
 259 #else
 260 /* Try to detect if the fileserver is DAFS, and if so, re-exec as the
 261  * DAFS-enabled fssync-debug (dafssync_debug). If we fail to detect or
 262  * exec, just try to proceed anyway as if the server is not DAFS */
 263 static void
 264 dafs_prolog(void)
 265 {
 266     SYNC_response res;
 267     SYNC_PROTO_BUF_DECL(res_buf);
 268     afs_int32 code;
 269     char *dfssd;
 270
 271     res.payload.len = SYNC_PROTO_MAX_LEN;
 272     res.payload.buf = res_buf;
 273
 274     /* LISTVOLUMES is a no-op; we just want to get the response header flags
 275      * to see if the server reports itself as DAFS or not */
 276     code = FSYNC_VolOp(0, NULL, FSYNC_VOL_LISTVOLUMES, FSYNC_WHATEVER, &res);
 277     if (code) {
 278         /* probably failed to contact the fileserver; later code will provide
 279          * some warning/error indication */
 280         return;
 281     }
 282
 283     if (!(res.hdr.flags & SYNC_FLAG_DAFS_EXTENSIONS)) {
 284         /* fileserver is not DAFS, so we don't need to do anything */
 285         return;
 286     }
 287
 288     dfssd = afs_exec_alt(fssd_argc, fssd_argv, "da", NULL);
 289
 290     fprintf(stderr, "\n*** server asserted demand attach extensions, but we failed\n"
 291                     "*** to exec a DAFS-enabled fssync-debug '%s' (errno=%d);\n"
 292                     "*** attempting to proceed without it.\n\n", dfssd, errno);
 293
 294     free(dfssd);
 295 }
 296 #endif /* !AFS_DEMAND_ATTACH_FS */
 297
 298 static int
 299 common_prolog(struct cmd_syndesc * as, struct fssync_state * state)
 300 {
 301     struct cmd_item *ti;
 302     VolumePackageOptions opts;
 303
 304 #ifdef AFS_NT40_ENV
 305     if (afs_winsockInit() < 0) {
 306         Exit(1);
 307     }
 308 #endif
 309
 310     VOptDefaults(debugUtility, &opts);
 311     if (VInitVolumePackage2(debugUtility, &opts)) {
 312         /* VInitVolumePackage2 can fail on e.g. partition attachment errors,
 313          * but we don't really care, since all we're doing is trying to use
 314          * FSSYNC */
 315         fprintf(stderr, "errors encountered initializing volume package, but "
 316                         "trying to continue anyway\n");
 317     }
 318     DInit(1);
 319
 320     if ((ti = as->parms[COMMON_PARMS_OFFSET].items)) {  /* -reason */
 321         state->reason = atoi(ti->data);
 322     } else {
 323         state->reason = FSYNC_WHATEVER;
 324     }
 325
 326     if ((ti = as->parms[COMMON_PARMS_OFFSET+1].items)) {        /* -programtype */
 327         if (!strcmp(ti->data, "fileServer")) {
 328             programType = fileServer;
 329         } else if (!strcmp(ti->data, "volumeUtility")) {
 330             programType = volumeUtility;
 331         } else if (!strcmp(ti->data, "salvager")) {
 332             programType = salvager;
 333         } else if (!strcmp(ti->data, "salvageServer")) {
 334             programType = salvageServer;
 335         } else if (!strcmp(ti->data, "volumeServer")) {
 336             programType = volumeServer;
 337         } else if (!strcmp(ti->data, "volumeSalvager")) {
 338             programType = volumeSalvager;
 339         } else {
 340             programType = (ProgramType) atoi(ti->data);
 341         }
 342     }
 343
 344     VConnectFS();
 345
 346     return 0;
 347 }
 348
 349 static int
 350 common_volop_prolog(struct cmd_syndesc * as, struct fssync_state * state)
 351 {
 352     struct cmd_item *ti;
 353
 354     state->vop = (struct volop_state *) calloc(1, sizeof(struct volop_state));
 355     opr_Assert(state->vop != NULL);
 356
 357     if ((ti = as->parms[COMMON_VOLOP_PARMS_OFFSET].items)) {    /* -volumeid */
 358         state->vop->volume = atoi(ti->data);
 359     } else {
 360         fprintf(stderr, "required argument -volumeid not given\n");
 361     }
 362
 363     if ((ti = as->parms[COMMON_VOLOP_PARMS_OFFSET+1].items)) {  /* -partition */
 364         strlcpy(state->vop->partName, ti->data, sizeof(state->vop->partName));
 365     } else {
 366         memset(state->vop->partName, 0, sizeof(state->vop->partName));
 367     }
 368
 369     return 0;
 370 }
 371
 372 static int
 373 debug_response(afs_int32 code, SYNC_response * res)
 374 {
 375     switch (code) {
 376     case SYNC_OK:
 377     case SYNC_DENIED:
 378         break;
 379     default:
 380         fprintf(stderr, "warning: response code indicates possible protocol error.\n");
 381     }
 382
 383     fprintf(stderr, "FSSYNC service returned %d (%s)\n", code, SYNC_res2string(code));
 384
 385     if (res) {
 386         fprintf(stderr, "protocol header response code was %d (%s)\n",
 387                 res->hdr.response, SYNC_res2string(res->hdr.response));
 388         fprintf(stderr, "protocol reason code was %d (%s)\n",
 389                 res->hdr.reason, FSYNC_reason2string(res->hdr.reason));
 390     }
 391
 392     return 0;
 393 }
 394
 395 static int
 396 do_volop(struct fssync_state * state, afs_int32 command, SYNC_response * res)
 397 {
 398     afs_int32 code;
 399     SYNC_PROTO_BUF_DECL(res_buf);
 400     SYNC_response res_l;
 401
 402     if (!res) {
 403         res = &res_l;
 404         res->payload.len = SYNC_PROTO_MAX_LEN;
 405         res->payload.buf = res_buf;
 406     }
 407
 408     fprintf(stderr, "calling FSYNC_VolOp with command code %d (%s)\n",
 409             command, FSYNC_com2string(command));
 410
 411     code = FSYNC_VolOp(state->vop->volume,
 412                        state->vop->partName,
 413                        command,
 414                        state->reason,
 415                        res);
 416
 417     debug_response(code, res);
 418
 419     VDisconnectFS();
 420
 421     return 0;
 422
 423 }
 424
 425
 426 #define ENUMTOSTRING(en)  #en
 427 #define ENUMCASE(en) \
 428     case en: return ENUMTOSTRING(en)
 429
 430 #define FLAGTOSTRING(fl)  #fl
 431 #define FLAGCASE(bitstr, fl, str, count) \
 432     do { \
 433         if ((bitstr) & (fl)) { \
 434             if (count) \
 435                 strlcat((str), " | ", sizeof(str)); \
 436             strlcat((str), FLAGTOSTRING(fl), sizeof(str)); \
 437             (count)++; \
 438         } \
 439     } while (0)
 440
 441 static int
 442 VolOnline(struct cmd_syndesc * as, void * rock)
 443 {
 444     struct fssync_state state;
 445
 446     common_prolog(as, &state);
 447     common_volop_prolog(as, &state);
 448
 449     if (state.vop->partName==0 || *(state.vop->partName)==0) {
 450         fprintf(stderr, "required argument -partition not given\n");
 451         return -1;
 452     }
 453     do_volop(&state, FSYNC_VOL_ON, NULL);
 454
 455     return 0;
 456 }
 457
 458 static int
 459 VolOffline(struct cmd_syndesc * as, void * rock)
 460 {
 461     struct fssync_state state;
 462
 463     common_prolog(as, &state);
 464     common_volop_prolog(as, &state);
 465
 466     do_volop(&state, FSYNC_VOL_OFF, NULL);
 467
 468     return 0;
 469 }
 470
 471 static int
 472 VolMode(struct cmd_syndesc * as, void * rock)
 473 {
 474     struct fssync_state state;
 475
 476     common_prolog(as, &state);
 477     common_volop_prolog(as, &state);
 478
 479     do_volop(&state, FSYNC_VOL_NEEDVOLUME, NULL);
 480
 481     return 0;
 482 }
 483
 484 static int
 485 VolDetach(struct cmd_syndesc * as, void * rock)
 486 {
 487     struct fssync_state state;
 488
 489     common_prolog(as, &state);
 490     common_volop_prolog(as, &state);
 491
 492     do_volop(&state, FSYNC_VOL_DONE, NULL);
 493
 494     return 0;
 495 }
 496
 497 static int
 498 VolBreakCBKs(struct cmd_syndesc * as, void * rock)
 499 {
 500     struct fssync_state state;
 501
 502     common_prolog(as, &state);
 503     common_volop_prolog(as, &state);
 504
 505     do_volop(&state, FSYNC_VOL_BREAKCBKS, NULL);
 506
 507     return 0;
 508 }
 509
 510 static int
 511 VolMove(struct cmd_syndesc * as, void * rock)
 512 {
 513     struct fssync_state state;
 514
 515     common_prolog(as, &state);
 516     common_volop_prolog(as, &state);
 517
 518     do_volop(&state, FSYNC_VOL_MOVE, NULL);
 519
 520     return 0;
 521 }
 522
 523 static int
 524 VolList(struct cmd_syndesc * as, void * rock)
 525 {
 526     struct fssync_state state;
 527
 528     common_prolog(as, &state);
 529     common_volop_prolog(as, &state);
 530
 531     do_volop(&state, FSYNC_VOL_LISTVOLUMES, NULL);
 532
 533     return 0;
 534 }
 535
 536 static int
 537 VolLeaveOff(struct cmd_syndesc * as, void * rock)
 538 {
 539     struct fssync_state state;
 540
 541     common_prolog(as, &state);
 542     common_volop_prolog(as, &state);
 543
 544     do_volop(&state, FSYNC_VOL_LEAVE_OFF, NULL);
 545
 546     return 0;
 547 }
 548
 549 static int
 550 VolForceAttach(struct cmd_syndesc * as, void * rock)
 551 {
 552     struct fssync_state state;
 553
 554     common_prolog(as, &state);
 555     common_volop_prolog(as, &state);
 556
 557     do_volop(&state, FSYNC_VOL_ATTACH, NULL);
 558
 559     return 0;
 560 }
 561
 562 static int
 563 VolForceError(struct cmd_syndesc * as, void * rock)
 564 {
 565     struct fssync_state state;
 566
 567     common_prolog(as, &state);
 568     common_volop_prolog(as, &state);
 569
 570     do_volop(&state, FSYNC_VOL_FORCE_ERROR, NULL);
 571
 572     return 0;
 573 }
 574
 575 #ifdef AFS_DEMAND_ATTACH_FS
 576 static char *
 577 vol_state_to_string(VolState state)
 578 {
 579     switch (state) {
 580         ENUMCASE(VOL_STATE_UNATTACHED);
 581         ENUMCASE(VOL_STATE_PREATTACHED);
 582         ENUMCASE(VOL_STATE_ATTACHING);
 583         ENUMCASE(VOL_STATE_ATTACHED);
 584         ENUMCASE(VOL_STATE_UPDATING);
 585         ENUMCASE(VOL_STATE_GET_BITMAP);
 586         ENUMCASE(VOL_STATE_HDR_LOADING);
 587         ENUMCASE(VOL_STATE_HDR_ATTACHING);
 588         ENUMCASE(VOL_STATE_SHUTTING_DOWN);
 589         ENUMCASE(VOL_STATE_GOING_OFFLINE);
 590         ENUMCASE(VOL_STATE_OFFLINING);
 591         ENUMCASE(VOL_STATE_DETACHING);
 592         ENUMCASE(VOL_STATE_SALVSYNC_REQ);
 593         ENUMCASE(VOL_STATE_SALVAGING);
 594         ENUMCASE(VOL_STATE_ERROR);
 595         ENUMCASE(VOL_STATE_VNODE_ALLOC);
 596         ENUMCASE(VOL_STATE_VNODE_GET);
 597         ENUMCASE(VOL_STATE_VNODE_CLOSE);
 598         ENUMCASE(VOL_STATE_VNODE_RELEASE);
 599         ENUMCASE(VOL_STATE_VLRU_ADD);
 600         ENUMCASE(VOL_STATE_DELETED);
 601         ENUMCASE(VOL_STATE_SALVAGE_REQ);
 602         ENUMCASE(VOL_STATE_FREED);
 603     default:
 604         return "**UNKNOWN**";
 605     }
 606 }
 607
 608 static char *
 609 vol_flags_to_string(afs_uint16 flags)
 610 {
 611     static char str[256];
 612     int count = 0;
 613     str[0]='\0';
 614
 615     FLAGCASE(flags, VOL_HDR_ATTACHED, str, count);
 616     FLAGCASE(flags, VOL_HDR_LOADED, str, count);
 617     FLAGCASE(flags, VOL_HDR_IN_LRU, str, count);
 618     FLAGCASE(flags, VOL_IN_HASH, str, count);
 619     FLAGCASE(flags, VOL_ON_VBYP_LIST, str, count);
 620     FLAGCASE(flags, VOL_IS_BUSY, str, count);
 621     FLAGCASE(flags, VOL_ON_VLRU, str, count);
 622     FLAGCASE(flags, VOL_HDR_DONTSALV, str, count);
 623     FLAGCASE(flags, VOL_LOCKED, str, count);
 624
 625     return str;
 626 }
 627
 628 static char *
 629 vlru_idx_to_string(int idx)
 630 {
 631     switch (idx) {
 632         ENUMCASE(VLRU_QUEUE_NEW);
 633         ENUMCASE(VLRU_QUEUE_MID);
 634         ENUMCASE(VLRU_QUEUE_OLD);
 635         ENUMCASE(VLRU_QUEUE_CANDIDATE);
 636         ENUMCASE(VLRU_QUEUE_HELD);
 637         ENUMCASE(VLRU_QUEUE_INVALID);
 638     default:
 639         return "**UNKNOWN**";
 640     }
 641 }
 642
 643
 644 static char *
 645 vn_state_to_string(VnState state)
 646 {
 647     switch (state) {
 648         ENUMCASE(VN_STATE_INVALID);
 649         ENUMCASE(VN_STATE_RELEASING);
 650         ENUMCASE(VN_STATE_CLOSING);
 651         ENUMCASE(VN_STATE_ALLOC);
 652         ENUMCASE(VN_STATE_ONLINE);
 653         ENUMCASE(VN_STATE_LOAD);
 654         ENUMCASE(VN_STATE_EXCLUSIVE);
 655         ENUMCASE(VN_STATE_STORE);
 656         ENUMCASE(VN_STATE_READ);
 657         ENUMCASE(VN_STATE_ERROR);
 658     default:
 659         return "**UNKNOWN**";
 660     }
 661 }
 662
 663 static char *
 664 vn_flags_to_string(afs_uint32 flags)
 665 {
 666     static char str[128];
 667     int count = 0;
 668     str[0]='\0';
 669
 670     FLAGCASE(flags, VN_ON_HASH, str, count);
 671     FLAGCASE(flags, VN_ON_LRU, str, count);
 672     FLAGCASE(flags, VN_ON_VVN, str, count);
 673
 674     return str;
 675 }
 676 #endif
 677
 678 static int
 679 VolQuery(struct cmd_syndesc * as, void * rock)
 680 {
 681     struct fssync_state state;
 682     SYNC_PROTO_BUF_DECL(res_buf);
 683     SYNC_response res;
 684     Volume v;
 685
 686     dafs_prolog();
 687
 688     res.hdr.response_len = sizeof(res.hdr);
 689     res.payload.buf = res_buf;
 690     res.payload.len = SYNC_PROTO_MAX_LEN;
 691
 692     common_prolog(as, &state);
 693     common_volop_prolog(as, &state);
 694
 695     do_volop(&state, FSYNC_VOL_QUERY, &res);
 696
 697     if (res.hdr.response == SYNC_OK) {
 698         memcpy(&v, res.payload.buf, sizeof(Volume));
 699
 700         printf("volume = {\n");
 701         printf("\thashid          = %u\n", v.hashid);
 702         printf("\theader          = %p\n", v.header);
 703         printf("\tdevice          = %d\n", v.device);
 704         printf("\tpartition       = %p\n", v.partition);
 705         printf("\tlinkHandle      = %p\n", v.linkHandle);
 706         printf("\tnextVnodeUnique = %u\n", v.nextVnodeUnique);
 707         printf("\tdiskDataHandle  = %p\n", v.diskDataHandle);
 708         printf("\tvnodeHashOffset = %u\n", v.vnodeHashOffset);
 709         printf("\tshuttingDown    = %d\n", v.shuttingDown);
 710         printf("\tgoingOffline    = %d\n", v.goingOffline);
 711         printf("\tcacheCheck      = %u\n", v.cacheCheck);
 712         printf("\tnUsers          = %d\n", v.nUsers);
 713         printf("\tneedsPutBack    = %d\n", v.needsPutBack);
 714         printf("\tspecialStatus   = %d\n", v.specialStatus);
 715         printf("\tupdateTime      = %u\n", v.updateTime);
 716
 717         printf("\tvnodeIndex[vSmall] = {\n");
 718         printf("\t\thandle       = %p\n", v.vnodeIndex[vSmall].handle);
 719         printf("\t\tbitmap       = %p\n", v.vnodeIndex[vSmall].bitmap);
 720         printf("\t\tbitmapSize   = %u\n", v.vnodeIndex[vSmall].bitmapSize);
 721         printf("\t\tbitmapOffset = %u\n", v.vnodeIndex[vSmall].bitmapOffset);
 722         printf("\t}\n");
 723         printf("\tvnodeIndex[vLarge] = {\n");
 724         printf("\t\thandle       = %p\n", v.vnodeIndex[vLarge].handle);
 725         printf("\t\tbitmap       = %p\n", v.vnodeIndex[vLarge].bitmap);
 726         printf("\t\tbitmapSize   = %u\n", v.vnodeIndex[vLarge].bitmapSize);
 727         printf("\t\tbitmapOffset = %u\n", v.vnodeIndex[vLarge].bitmapOffset);
 728         printf("\t}\n");
 729 #ifdef AFS_DEMAND_ATTACH_FS
 730         if (res.hdr.flags & SYNC_FLAG_DAFS_EXTENSIONS) {
 731             printf("\tupdateTime      = %u\n", v.updateTime);
 732             printf("\tattach_state    = %s\n", vol_state_to_string(v.attach_state));
 733             printf("\tattach_flags    = %s\n", vol_flags_to_string(v.attach_flags));
 734             printf("\tnWaiters        = %d\n", v.nWaiters);
 735             printf("\tchainCacheCheck = %d\n", v.chainCacheCheck);
 736
 737             /* online salvage structure */
 738             printf("\tsalvage = {\n");
 739             printf("\t\tprio      = %u\n", v.salvage.prio);
 740             printf("\t\treason    = %d\n", v.salvage.reason);
 741             printf("\t\trequested = %d\n", v.salvage.requested);
 742             printf("\t\tscheduled = %d\n", v.salvage.scheduled);
 743             printf("\t}\n");
 744
 745             /* statistics structure */
 746             printf("\tstats = {\n");
 747
 748             printf("\t\thash_lookups = %"AFS_INT64_FMT"\n",
 749                    v.stats.hash_lookups);
 750             printf("\t\thash_short_circuits = %"AFS_INT64_FMT"\n",
 751                    v.stats.hash_short_circuits);
 752             printf("\t\thdr_loads = %"AFS_INT64_FMT"\n",
 753                    v.stats.hdr_loads);
 754             printf("\t\thdr_gets = %"AFS_INT64_FMT"\n",
 755                    v.stats.hdr_gets);
 756             printf("\t\t}\n");
 757
 758             printf("\t\tattaches         = %u\n", v.stats.attaches);
 759             printf("\t\tsoft_detaches    = %u\n", v.stats.soft_detaches);
 760             printf("\t\tsalvages         = %u\n", v.stats.salvages);
 761             printf("\t\tvol_ops          = %u\n", v.stats.vol_ops);
 762
 763             printf("\t\tlast_attach      = %u\n", v.stats.last_attach);
 764             printf("\t\tlast_get         = %u\n", v.stats.last_get);
 765             printf("\t\tlast_promote     = %u\n", v.stats.last_promote);
 766             printf("\t\tlast_hdr_get     = %u\n", v.stats.last_hdr_get);
 767             printf("\t\tlast_hdr_load    = %u\n", v.stats.last_hdr_load);
 768             printf("\t\tlast_salvage     = %u\n", v.stats.last_salvage);
 769             printf("\t\tlast_salvage_req = %u\n", v.stats.last_salvage_req);
 770             printf("\t\tlast_vol_op      = %u\n", v.stats.last_vol_op);
 771             printf("\t}\n");
 772
 773             /* VLRU state */
 774             printf("\tvlru = {\n");
 775             printf("\t\tidx = %d (%s)\n",
 776                    v.vlru.idx, vlru_idx_to_string(v.vlru.idx));
 777             printf("\t}\n");
 778
 779             /* volume op state */
 780             printf("\tpending_vol_op  = %p\n", v.pending_vol_op);
 781         }
 782 #else /* !AFS_DEMAND_ATTACH_FS */
 783         if (res.hdr.flags & SYNC_FLAG_DAFS_EXTENSIONS) {
 784             printf("*** server asserted demand attach extensions. this fssync-debug\n"
 785                    "*** is not built to recognize those extensions. please use an\n"
 786                    "*** fssync-debug with demand attach if you need to dump dafs\n"
 787                    "*** extended state.\n");
 788         }
 789 #endif /* !AFS_DEMAND_ATTACH_FS */
 790         printf("}\n");
 791     }
 792
 793     return 0;
 794 }
 795
 796 static int
 797 VolHdrQuery(struct cmd_syndesc * as, void * rock)
 798 {
 799     struct fssync_state state;
 800     SYNC_PROTO_BUF_DECL(res_buf);
 801     SYNC_response res;
 802     VolumeDiskData v;
 803     int i;
 804
 805     res.hdr.response_len = sizeof(res.hdr);
 806     res.payload.buf = res_buf;
 807     res.payload.len = SYNC_PROTO_MAX_LEN;
 808
 809     common_prolog(as, &state);
 810     common_volop_prolog(as, &state);
 811
 812     do_volop(&state, FSYNC_VOL_QUERY_HDR, &res);
 813
 814     if (res.hdr.response == SYNC_OK) {
 815         memcpy(&v, res.payload.buf, sizeof(VolumeDiskData));
 816
 817         printf("VolumeDiskData = {\n");
 818         printf("\tstamp = {\n");
 819         printf("\t\tmagic   = 0x%x\n", v.stamp.magic);
 820         printf("\t\tversion = %u\n", v.stamp.version);
 821         printf("\t}\n");
 822
 823         printf("\tid               = %u\n", v.id);
 824         printf("\tname             = '%s'\n", v.name);
 825         if (v.inUse != 0) {
 826             printf("\tinUse            = %d (%s)\n", v.inUse, VPTypeToString(v.inUse));
 827         } else {
 828             printf("\tinUse            = %d (no)\n", v.inUse);
 829         }
 830         printf("\tinService        = %d\n", v.inService);
 831         printf("\tblessed          = %d\n", v.blessed);
 832         printf("\tneedsSalvaged    = %d\n", v.needsSalvaged);
 833         printf("\tuniquifier       = %u\n", v.uniquifier);
 834         printf("\ttype             = %d\n", v.type);
 835         printf("\tparentId         = %u\n", v.parentId);
 836         printf("\tcloneId          = %u\n", v.cloneId);
 837         printf("\tbackupId         = %u\n", v.backupId);
 838         printf("\trestoredFromId   = %u\n", v.restoredFromId);
 839         printf("\tneedsCallback    = %d\n", v.needsCallback);
 840         printf("\tdestroyMe        = %d\n", v.destroyMe);
 841         printf("\tdontSalvage      = %d\n", v.dontSalvage);
 842         printf("\tmaxquota         = %d\n", v.maxquota);
 843         printf("\tminquota         = %d\n", v.minquota);
 844         printf("\tmaxfiles         = %d\n", v.maxfiles);
 845         printf("\taccountNumber    = %u\n", v.accountNumber);
 846         printf("\towner            = %u\n", v.owner);
 847         printf("\tfilecount        = %d\n", v.filecount);
 848         printf("\tdiskused         = %d\n", v.diskused);
 849         printf("\tdayUse           = %d\n", v.dayUse);
 850         for (i = 0; i < 7; i++) {
 851             printf("\tweekUse[%d]       = %d\n", i, v.weekUse[i]);
 852         }
 853         printf("\tdayUseDate       = %u\n", v.dayUseDate);
 854         printf("\tcreationDate     = %u\n", v.creationDate);
 855         printf("\taccessDate       = %u\n", v.accessDate);
 856         printf("\tupdateDate       = %u\n", v.updateDate);
 857         printf("\texpirationDate   = %u\n", v.expirationDate);
 858         printf("\tbackupDate       = %u\n", v.backupDate);
 859         printf("\tcopyDate         = %u\n", v.copyDate);
 860         printf("\tstat_initialized = %d\n", v.stat_initialized);
 861         printf("}\n");
 862     }
 863
 864     return 0;
 865 }
 866
 867 static int
 868 VolOpQuery(struct cmd_syndesc * as, void * rock)
 869 {
 870     struct fssync_state state;
 871     SYNC_PROTO_BUF_DECL(res_buf);
 872     SYNC_response res;
 873     FSSYNC_VolOp_info vop;
 874
 875     res.hdr.response_len = sizeof(res.hdr);
 876     res.payload.buf = res_buf;
 877     res.payload.len = SYNC_PROTO_MAX_LEN;
 878
 879     common_prolog(as, &state);
 880     common_volop_prolog(as, &state);
 881
 882     do_volop(&state, FSYNC_VOL_QUERY_VOP, &res);
 883
 884     if (!(res.hdr.flags & SYNC_FLAG_DAFS_EXTENSIONS)) {
 885         printf("*** file server not compiled with demand attach extensions.\n");
 886         printf("*** pending volume operation metadata not available.\n");
 887     }
 888
 889     if (res.hdr.response == SYNC_OK) {
 890         memcpy(&vop, res.payload.buf, sizeof(FSSYNC_VolOp_info));
 891
 892         printf("pending_vol_op = {\n");
 893
 894         printf("\tcom = {\n");
 895         printf("\t\tproto_version  = %u\n", vop.com.proto_version);
 896         printf("\t\tpkt_seq        = %u\n", vop.com.pkt_seq);
 897         printf("\t\tcom_seq        = %u\n", vop.com.com_seq);
 898         printf("\t\tprogramType    = %d (%s)\n",
 899                vop.com.programType, VPTypeToString(vop.com.programType));
 900         printf("\t\tpid            = %d\n", vop.com.pid);
 901         printf("\t\ttid            = %d\n", vop.com.tid);
 902         printf("\t\tcommand        = %d (%s)\n",
 903                vop.com.command, FSYNC_com2string(vop.com.command));
 904         printf("\t\treason         = %d (%s)\n",
 905                vop.com.reason, FSYNC_reason2string(vop.com.reason));
 906         printf("\t\tcommand_len    = %u\n", vop.com.command_len);
 907         printf("\t\tflags          = 0x%lux\n", afs_printable_uint32_lu(vop.com.flags));
 908         printf("\t}\n");
 909
 910         printf("\tvop = {\n");
 911         printf("\t\tvolume         = %u\n", vop.vop.volume);
 912         if (strnlen(vop.vop.partName, sizeof(vop.vop.partName)) <
 913             sizeof(vop.vop.partName)) {
 914             printf("\t\tpartName       = '%s'\n", vop.vop.partName);
 915         } else {
 916             printf("\t\tpartName       = (illegal string)\n");
 917         }
 918         printf("\t}\n");
 919
 920         printf("}\n");
 921     }
 922
 923     return 0;
 924 }
 925
 926 static int
 927 vn_prolog(struct cmd_syndesc * as, struct fssync_state * state)
 928 {
 929     struct cmd_item *ti;
 930
 931     state->vop = (struct volop_state *) calloc(1, sizeof(struct volop_state));
 932     osi_Assert(state->vop != NULL);
 933
 934     if ((ti = as->parms[CUSTOM_PARMS_OFFSET].items)) {  /* -volumeid */
 935         state->vop->volume = atoi(ti->data);
 936     } else {
 937         fprintf(stderr, "required argument -volumeid not given\n");
 938     }
 939
 940     if ((ti = as->parms[CUSTOM_PARMS_OFFSET+1].items)) {        /* -vnodeid */
 941         state->vop->vnode = atoi(ti->data);
 942     } else {
 943         fprintf(stderr, "required argument -vnodeid not given\n");
 944     }
 945
 946     if ((ti = as->parms[CUSTOM_PARMS_OFFSET+2].items)) {        /* -unique */
 947         state->vop->unique = atoi(ti->data);
 948     } else {
 949         state->vop->unique = 0;
 950     }
 951
 952     if ((ti = as->parms[COMMON_VOLOP_PARMS_OFFSET+3].items)) {  /* -partition */
 953         strlcpy(state->vop->partName, ti->data, sizeof(state->vop->partName));
 954     } else {
 955         memset(state->vop->partName, 0, sizeof(state->vop->partName));
 956     }
 957
 958     return 0;
 959 }
 960
 961 static int
 962 do_vnqry(struct fssync_state * state, SYNC_response * res)
 963 {
 964     afs_int32 code;
 965     int command = FSYNC_VOL_QUERY_VNODE;
 966     FSSYNC_VnQry_hdr qry;
 967
 968     qry.volume = state->vop->volume;
 969     qry.vnode = state->vop->vnode;
 970     qry.unique = state->vop->unique;
 971     qry.spare = 0;
 972     strlcpy(qry.partName, state->vop->partName, sizeof(qry.partName));
 973
 974     fprintf(stderr, "calling FSYNC_GenericOp with command code %d (%s)\n",
 975             command, FSYNC_com2string(command));
 976
 977     code = FSYNC_GenericOp(&qry, sizeof(qry), command, FSYNC_OPERATOR, res);
 978
 979     debug_response(code, res);
 980
 981     VDisconnectFS();
 982
 983     return 0;
 984 }
 985
 986 static int
 987 VnQuery(struct cmd_syndesc * as, void * rock)
 988 {
 989     struct fssync_state state;
 990     SYNC_PROTO_BUF_DECL(res_buf);
 991     SYNC_response res;
 992     Vnode v;
 993
 994     dafs_prolog();
 995
 996     res.hdr.response_len = sizeof(res.hdr);
 997     res.payload.buf = res_buf;
 998     res.payload.len = SYNC_PROTO_MAX_LEN;
 999
1000     common_prolog(as, &state);
1001     vn_prolog(as, &state);
1002
1003     do_vnqry(&state, &res);
1004
1005     if (res.hdr.response == SYNC_OK) {
1006         memcpy(&v, res.payload.buf, sizeof(Vnode));
1007
1008         printf("vnode = {\n");
1009
1010         printf("\tvid_hash = {\n");
1011         printf("\t\tnext = %p\n", v.vid_hash.next);
1012         printf("\t\tprev = %p\n", v.vid_hash.prev);
1013         printf("\t}\n");
1014
1015         printf("\thashNext        = %p\n", v.hashNext);
1016         printf("\tlruNext         = %p\n", v.lruNext);
1017         printf("\tlruPrev         = %p\n", v.lruPrev);
1018         printf("\thashIndex       = %hu\n", v.hashIndex);
1019         printf("\tchanged_newTime = %u\n", (unsigned int) v.changed_newTime);
1020         printf("\tchanged_oldTime = %u\n", (unsigned int) v.changed_oldTime);
1021         printf("\tdelete          = %u\n", (unsigned int) v.delete);
1022         printf("\tvnodeNumber     = %u\n", v.vnodeNumber);
1023         printf("\tvolumePtr       = %p\n", v.volumePtr);
1024         printf("\tnUsers          = %u\n", v.nUsers);
1025         printf("\tcacheCheck      = %u\n", v.cacheCheck);
1026
1027 #ifdef AFS_DEMAND_ATTACH_FS
1028         if (!(res.hdr.flags & SYNC_FLAG_DAFS_EXTENSIONS)) {
1029             printf("*** this fssync-debug is built to expect demand attach extensions.\n"
1030                    "*** server asserted that is was not compiled with demand attach.\n"
1031                    "*** please use an fssync-debug without demand attach to match your\n"
1032                    "*** server.\n");
1033             goto done;
1034         }
1035
1036         printf("\tnReaders        = %u\n", v.nReaders);
1037         printf("\tvn_state_flags  = %s\n", vn_flags_to_string(v.vn_state_flags));
1038         printf("\tvn_state        = %s\n", vn_state_to_string(v.vn_state));
1039 #else
1040         if (res.hdr.flags & SYNC_FLAG_DAFS_EXTENSIONS) {
1041             printf("*** server asserted demand attach extensions. this fssync-debug is not\n"
1042                    "*** built to recognize those extensions. please use an fssync-debug\n"
1043                    "*** with demand attach to match your server.\n");
1044             goto done;
1045         }
1046 #endif /* !AFS_DEMAND_ATTACH_FS */
1047
1048         printf("\tvcp             = %p\n", v.vcp);
1049         printf("\thandle          = %p\n", v.handle);
1050
1051         printf("\tdisk = {\n");
1052         printf("\t\ttype              = %u\n", v.disk.type);
1053         printf("\t\tcloned            = %u\n", v.disk.cloned);
1054         printf("\t\tmodeBits          = %u\n", v.disk.modeBits);
1055         printf("\t\tlinkCount         = %d\n", v.disk.linkCount);
1056         printf("\t\tlength            = %u\n", v.disk.length);
1057         printf("\t\tuniquifier        = %u\n", v.disk.uniquifier);
1058         printf("\t\tdataVersion       = %u\n", v.disk.dataVersion);
1059         printf("\t\tvn_ino_lo         = %u\n", v.disk.vn_ino_lo);
1060         printf("\t\tunixModifyTime    = %u\n", v.disk.unixModifyTime);
1061         printf("\t\tauthor            = %u\n", v.disk.author);
1062         printf("\t\towner             = %u\n", v.disk.owner);
1063         printf("\t\tparent            = %u\n", v.disk.parent);
1064         printf("\t\tvnodeMagic        = %u\n", v.disk.vnodeMagic);
1065
1066         printf("\t\tlock = {\n");
1067         printf("\t\t\tlockCount   = %d\n", v.disk.lock.lockCount);
1068         printf("\t\t\tlockTime    = %d\n", v.disk.lock.lockTime);
1069         printf("\t\t}\n");
1070
1071         printf("\t\tserverModifyTime  = %u\n", v.disk.serverModifyTime);
1072         printf("\t\tgroup             = %d\n", v.disk.group);
1073         printf("\t\tvn_ino_hi         = %d\n", v.disk.vn_ino_hi);
1074         printf("\t\tvn_length_hi      = %u\n", v.disk.vn_length_hi);
1075         printf("\t}\n");
1076
1077         printf("}\n");
1078     }
1079
1080  done:
1081     return 0;
1082 }
1083
1084
1085 static int
1086 StatsQuery(struct cmd_syndesc * as, void * rock)
1087 {
1088     afs_int32 code;
1089     int command;
1090     struct cmd_item *ti;
1091     struct fssync_state state;
1092     SYNC_PROTO_BUF_DECL(res_buf);
1093     SYNC_response res;
1094     FSSYNC_StatsOp_hdr scom;
1095
1096     res.hdr.response_len = sizeof(res.hdr);
1097     res.payload.buf = res_buf;
1098     res.payload.len = SYNC_PROTO_MAX_LEN;
1099
1100     if ((ti = as->parms[CUSTOM_PARMS_OFFSET].items)) {  /* -subcommand */
1101         if (!strcasecmp(ti->data, "vicep")) {
1102             command = FSYNC_VOL_STATS_VICEP;
1103         } else if (!strcasecmp(ti->data, "hash")) {
1104             command = FSYNC_VOL_STATS_HASH;
1105 #ifdef AFS_DEMAND_ATTACH_FS
1106         } else if (!strcasecmp(ti->data, "hdr")) {
1107             command = FSYNC_VOL_STATS_HDR;
1108         } else if (!strcasecmp(ti->data, "vlru")) {
1109             command = FSYNC_VOL_STATS_VLRU;
1110 #endif
1111         } else if (!strcasecmp(ti->data, "pkg")) {
1112             command = FSYNC_VOL_STATS_GENERAL;
1113         } else if (!strcasecmp(ti->data, "help")) {
1114             fprintf(stderr, "fssync-debug stats subcommands:\n");
1115             fprintf(stderr, "\tpkg\tgeneral volume package stats\n");
1116             fprintf(stderr, "\tvicep\tvice partition stats\n");
1117             fprintf(stderr, "\thash\tvolume hash chain stats\n");
1118 #ifdef AFS_DEMAND_ATTACH_FS
1119             fprintf(stderr, "\thdr\tvolume header cache stats\n");
1120             fprintf(stderr, "\tvlru\tvlru generation stats\n");
1121 #endif
1122             exit(0);
1123         } else {
1124             fprintf(stderr, "invalid stats subcommand");
1125             exit(1);
1126         }
1127     } else {
1128         command = FSYNC_VOL_STATS_GENERAL;
1129     }
1130
1131     if ((ti = as->parms[CUSTOM_PARMS_OFFSET+1].items)) {        /* -arg1 */
1132         switch (command) {
1133         case FSYNC_VOL_STATS_VICEP:
1134             strlcpy(scom.args.partName, ti->data, sizeof(state.vop->partName));
1135             break;
1136         case FSYNC_VOL_STATS_HASH:
1137             scom.args.hash_bucket = atoi(ti->data);
1138             break;
1139         case FSYNC_VOL_STATS_VLRU:
1140             scom.args.vlru_generation = atoi(ti->data);
1141             break;
1142         default:
1143             fprintf(stderr, "unrecognized arguments\n");
1144             exit(1);
1145         }
1146     } else {
1147         switch (command) {
1148         case FSYNC_VOL_STATS_VICEP:
1149         case FSYNC_VOL_STATS_HASH:
1150         case FSYNC_VOL_STATS_VLRU:
1151             fprintf(stderr, "this subcommand requires more parameters\n");
1152             exit(1);
1153         }
1154     }
1155
1156     common_prolog(as, &state);
1157
1158     fprintf(stderr, "calling FSYNC_askfs with command code %d (%s)\n",
1159             command, FSYNC_com2string(command));
1160
1161     code = FSYNC_StatsOp(&scom, command, FSYNC_WHATEVER, &res);
1162
1163     switch (code) {
1164     case SYNC_OK:
1165     case SYNC_DENIED:
1166         break;
1167     default:
1168         fprintf(stderr, "possible sync protocol error. return code was %d\n", code);
1169     }
1170
1171     fprintf(stderr, "FSYNC_VolOp returned %d (%s)\n", code, SYNC_res2string(code));
1172     fprintf(stderr, "protocol response code was %d (%s)\n",
1173             res.hdr.response, SYNC_res2string(res.hdr.response));
1174     fprintf(stderr, "protocol reason code was %d (%s)\n",
1175             res.hdr.reason, FSYNC_reason2string(res.hdr.reason));
1176
1177     VDisconnectFS();
1178
1179     if (res.hdr.response == SYNC_OK) {
1180         switch (command) {
1181         case FSYNC_VOL_STATS_GENERAL:
1182             {
1183                 struct VolPkgStats vol_stats;
1184                 memcpy(&vol_stats, res_buf, sizeof(vol_stats));
1185                 print_vol_stats_general(&vol_stats);
1186                 break;
1187             }
1188         case FSYNC_VOL_STATS_VICEP:
1189             {
1190                 struct DiskPartitionStats64 vicep_stats;
1191                 memcpy(&vicep_stats, res_buf, sizeof(vicep_stats));
1192                 print_vol_stats_viceP(&vicep_stats);
1193                 break;
1194             }
1195         case FSYNC_VOL_STATS_HASH:
1196             {
1197                 struct VolumeHashChainStats hash_stats;
1198                 memcpy(&hash_stats, res_buf, sizeof(hash_stats));
1199                 print_vol_stats_hash(&hash_stats);
1200                 break;
1201             }
1202 #ifdef AFS_DEMAND_ATTACH_FS
1203         case FSYNC_VOL_STATS_HDR:
1204             {
1205                 struct volume_hdr_LRU_stats hdr_stats;
1206                 memcpy(&hdr_stats, res_buf, sizeof(hdr_stats));
1207                 print_vol_stats_hdr(&hdr_stats);
1208                 break;
1209             }
1210 #endif /* AFS_DEMAND_ATTACH_FS */
1211         }
1212     }
1213
1214     return 0;
1215 }
1216
1217 static void
1218 print_vol_stats_general(VolPkgStats * stats)
1219 {
1220 #ifdef AFS_DEMAND_ATTACH_FS
1221     int i;
1222 #endif
1223
1224     printf("VolPkgStats = {\n");
1225 #ifdef AFS_DEMAND_ATTACH_FS
1226     for (i = 0; i < VOL_STATE_COUNT; i++) {
1227         printf("\tvol_state_count[%s] = %d\n",
1228                vol_state_to_string(i),
1229                stats->state_levels[i]);
1230     }
1231
1232     printf("\thash_looks = %"AFS_INT64_FMT"\n",
1233            stats->hash_looks);
1234     printf("\thash_reorders = %"AFS_INT64_FMT"\n",
1235            stats->hash_reorders);
1236     printf("\tsalvages = %"AFS_INT64_FMT"\n",
1237            stats->salvages);
1238     printf("\tvol_ops = %"AFS_INT64_FMT"\n",
1239            stats->vol_ops);
1240 #endif
1241     printf("\thdr_loads = %"AFS_INT64_FMT"\n",
1242            stats->hdr_loads);
1243     printf("\thdr_gets = %"AFS_INT64_FMT"\n",
1244            stats->hdr_gets);
1245     printf("\tattaches = %"AFS_INT64_FMT"\n",
1246            stats->attaches);
1247     printf("\tsoft_detaches = %"AFS_INT64_FMT"\n",
1248            stats->soft_detaches);
1249     printf("\thdr_cache_size = %d\n", stats->hdr_cache_size);
1250
1251     printf("}\n");
1252 }
1253
1254 static void
1255 print_vol_stats_viceP(struct DiskPartitionStats64 * stats)
1256 {
1257     printf("DiskPartitionStats64 = {\n");
1258     printf("\tfree = %" AFS_INT64_FMT "\n", stats->free);
1259     printf("\tminFree = %" AFS_INT64_FMT "\n", stats->minFree);
1260     printf("\ttotalUsable = %" AFS_INT64_FMT "\n", stats->totalUsable);
1261     printf("\tf_files = %" AFS_INT64_FMT "\n", stats->f_files);
1262 #ifdef AFS_DEMAND_ATTACH_FS
1263     printf("\tvol_list_len = %d\n", stats->vol_list_len);
1264 #endif
1265     printf("}\n");
1266 }
1267
1268 static void
1269 print_vol_stats_hash(struct VolumeHashChainStats * stats)
1270 {
1271     printf("DiskPartitionStats = {\n");
1272     printf("\ttable_size = %d\n", stats->table_size);
1273     printf("\tchain_len = %d\n", stats->chain_len);
1274
1275 #ifdef AFS_DEMAND_ATTACH_FS
1276     printf("\tchain_cacheCheck = %d\n", stats->chain_cacheCheck);
1277     printf("\tchain_busy = %d\n", stats->chain_busy);
1278
1279     printf("\tchain_looks = %"AFS_INT64_FMT"\n",
1280            stats->chain_looks);
1281     printf("\tchain_gets = %"AFS_INT64_FMT"\n",
1282            stats->chain_gets);
1283     printf("\tchain_reorders = %"AFS_INT64_FMT"\n",
1284            stats->chain_reorders);
1285 #endif /* AFS_DEMAND_ATTACH_FS */
1286
1287     printf("}\n");
1288 }
1289
1290
1291 #ifdef AFS_DEMAND_ATTACH_FS
1292 static void
1293 print_vol_stats_hdr(struct volume_hdr_LRU_stats * stats)
1294 {
1295     printf("volume_hdr_LRU_stats = {\n");
1296     printf("\tfree = %d\n", stats->free);
1297     printf("\tused = %d\n", stats->used);
1298     printf("\tattached = %d\n", stats->attached);
1299     printf("}\n");
1300 }
1301 #endif /* AFS_DEMAND_ATTACH_FS */
1302
1303
1304 /**
1305  * query VGC.
1306  *
1307  * @notes args:
1308  *    - CUSTOM_PARMS_OFFSET+0 is partition string
1309  *    - CUSTOM_PARMS_OFFSET+1 is volume id
1310  *
1311  * @return operation status
1312  *    @retval 0 success
1313  */
1314 static int
1315 VGCQuery(struct cmd_syndesc * as, void * rock)
1316 {
1317     afs_int32 code;
1318     struct fssync_state state;
1319     char * partName;
1320     VolumeId volid;
1321     FSSYNC_VGQry_response_t q_res;
1322     SYNC_response res;
1323     int i;
1324     struct cmd_item *ti;
1325
1326     if (!(ti = as->parms[CUSTOM_PARMS_OFFSET+0].items)) {       /* -partition */
1327         return -1;
1328     }
1329     partName = ti->data;
1330
1331     if (!(ti = as->parms[CUSTOM_PARMS_OFFSET+1].items)) {       /* -volumeid */
1332         return -1;
1333     }
1334     volid = atoi(ti->data);
1335
1336     common_prolog(as, &state);
1337
1338     fprintf(stderr, "calling FSYNC_VCGQuery\n");
1339
1340     code = FSYNC_VGCQuery(partName, volid, &q_res, &res);
1341
1342     debug_response(code, &res);
1343
1344     if (code == SYNC_OK) {
1345         printf("VG = {\n");
1346         printf("\trw\t=\t%u\n", q_res.rw);
1347         printf("\tchildren\t= (\n");
1348         for (i = 0; i < VOL_VG_MAX_VOLS; i++) {
1349             if (q_res.children[i]) {
1350                 printf("\t\t%u\n", q_res.children[i]);
1351             }
1352         }
1353         printf("\t)\n");
1354     }
1355
1356     VDisconnectFS();
1357
1358     return 0;
1359 }
1360
1361 static int
1362 VGCAdd(struct cmd_syndesc * as, void * rock)
1363 {
1364     afs_int32 code;
1365     struct fssync_state state;
1366     char * partName;
1367     VolumeId parent, child;
1368     struct cmd_item *ti;
1369     SYNC_response res;
1370
1371     if (!(ti = as->parms[CUSTOM_PARMS_OFFSET+0].items)) {       /* -partition */
1372         return -1;
1373     }
1374     partName = ti->data;
1375
1376     if (!(ti = as->parms[CUSTOM_PARMS_OFFSET+1].items)) {       /* -parent */
1377         return -1;
1378     }
1379     parent = atoi(ti->data);
1380
1381     if (!(ti = as->parms[CUSTOM_PARMS_OFFSET+2].items)) {       /* -child */
1382         return -1;
1383     }
1384     child = atoi(ti->data);
1385
1386     common_prolog(as, &state);
1387     fprintf(stderr, "calling FSYNC_VCGAdd\n");
1388     code = FSYNC_VGCAdd(partName, parent, child, state.reason, &res);
1389     debug_response(code, &res);
1390
1391     VDisconnectFS();
1392
1393     return 0;
1394 }
1395
1396 static int
1397 VGCDel(struct cmd_syndesc * as, void * rock)
1398 {
1399     afs_int32 code;
1400     struct fssync_state state;
1401     char * partName;
1402     VolumeId parent, child;
1403     struct cmd_item *ti;
1404     SYNC_response res;
1405
1406     if (!(ti = as->parms[CUSTOM_PARMS_OFFSET+0].items)) {       /* -partition */
1407         return -1;
1408     }
1409     partName = ti->data;
1410
1411     if (!(ti = as->parms[CUSTOM_PARMS_OFFSET+1].items)) {       /* -parent */
1412         return -1;
1413     }
1414     parent = atoi(ti->data);
1415
1416     if (!(ti = as->parms[CUSTOM_PARMS_OFFSET+2].items)) {       /* -child */
1417         return -1;
1418     }
1419     child = atoi(ti->data);
1420
1421     common_prolog(as, &state);
1422     fprintf(stderr, "calling FSYNC_VCGDel\n");
1423     code = FSYNC_VGCDel(partName, parent, child, state.reason, &res);
1424     debug_response(code, &res);
1425
1426     VDisconnectFS();
1427
1428     return 0;
1429 }
1430
1431 static int
1432 VGCScan(struct cmd_syndesc * as, void * rock)
1433 {
1434     afs_int32 code;
1435     struct fssync_state state;
1436     char * partName;
1437     struct cmd_item *ti;
1438
1439     if (!(ti = as->parms[CUSTOM_PARMS_OFFSET+0].items)) {       /* -partition */
1440         return -1;
1441     }
1442     partName = ti->data;
1443
1444     common_prolog(as, &state);
1445     fprintf(stderr, "calling FSYNC_VCGScan\n");
1446     code = FSYNC_VGCScan(partName, state.reason);
1447     debug_response(code, NULL);
1448
1449     VDisconnectFS();
1450
1451     return 0;
1452 }
1453
1454 static int
1455 VGCScanAll(struct cmd_syndesc * as, void * rock)
1456 {
1457     afs_int32 code;
1458     struct fssync_state state;
1459
1460     common_prolog(as, &state);
1461     fprintf(stderr, "calling FSYNC_VCGScanAll\n");
1462     code = FSYNC_VGCScan(NULL, state.reason);
1463     debug_response(code, NULL);
1464
1465     VDisconnectFS();
1466
1467     return 0;
1468 }