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