sbin/hammer2/cmd_debug.c

   1 /*
   2  * Copyright (c) 2011-2012 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Matthew Dillon <dillon@dragonflybsd.org>
   6  * by Venkatesh Srinivas <vsrinivas@dragonflybsd.org>
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in
  16  *    the documentation and/or other materials provided with the
  17  *    distribution.
  18  * 3. Neither the name of The DragonFly Project nor the names of its
  19  *    contributors may be used to endorse or promote products derived
  20  *    from this software without specific, prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  23  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  24  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  25  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  26  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  27  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  28  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  29  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  30  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  31  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  32  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include "hammer2.h"
  37
  38 #define SHOW_TAB        2
  39
  40 static void shell_msghandler(dmsg_msg_t *msg, int unmanaged);
  41 static void shell_ttymsg(dmsg_iocom_t *iocom);
  42
  43 /************************************************************************
  44  *                                  SHELL                               *
  45  ************************************************************************/
  46
  47 int
  48 cmd_shell(const char *hostname)
  49 {
  50         dmsg_master_service_info_t *info;
  51         pthread_t thread;
  52         int fd;
  53
  54         fd = dmsg_connect(hostname);
  55         if (fd < 0)
  56                 return 1;
  57
  58         info = malloc(sizeof(*info));
  59         bzero(info, sizeof(*info));
  60         info->fd = fd;
  61         info->detachme = 0;
  62         info->usrmsg_callback = shell_msghandler;
  63         info->altmsg_callback = shell_ttymsg;
  64         info->label = strdup("debug");
  65         pthread_create(&thread, NULL, dmsg_master_service, info);
  66         pthread_join(thread, NULL);
  67
  68         return 0;
  69 }
  70
  71 #if 0
  72 int
  73 cmd_shell(const char *hostname)
  74 {
  75         struct dmsg_iocom iocom;
  76         dmsg_msg_t *msg;
  77         int fd;
  78
  79         /*
  80          * Connect to the target
  81          */
  82         fd = dmsg_connect(hostname);
  83         if (fd < 0)
  84                 return 1;
  85
  86         /*
  87          * Initialize the session and transmit an empty DMSG_DBG_SHELL
  88          * to cause the remote end to generate a prompt.
  89          */
  90         dmsg_iocom_init(&iocom, fd, 0,
  91                         NULL,
  92                         shell_rcvmsg,
  93                         hammer2_shell_parse,
  94                         shell_ttymsg);
  95         fcntl(0, F_SETFL, O_NONBLOCK);
  96         printf("debug: connected\n");
  97
  98         msg = dmsg_msg_alloc(&iocom.state0, 0, DMSG_DBG_SHELL, NULL, NULL);
  99         dmsg_msg_write(msg);
 100         dmsg_iocom_core(&iocom);
 101         fprintf(stderr, "debug: disconnected\n");
 102         close(fd);
 103         return 0;
 104 }
 105 #endif
 106
 107 /*
 108  * Debug session front-end
 109  *
 110  * Callback from dmsg_iocom_core() when messages might be present
 111  * on the socket.
 112  */
 113 static
 114 void
 115 shell_msghandler(dmsg_msg_t *msg, int unmanaged)
 116 {
 117         dmsg_msg_t *nmsg;
 118
 119         switch(msg->tcmd) {
 120 #if 0
 121         case DMSG_LNK_ERROR:
 122         case DMSG_LNK_ERROR | DMSGF_REPLY:
 123                 /*
 124                  * One-way non-transactional LNK_ERROR messages typically
 125                  * indicate a connection failure.  Error code 0 is used by
 126                  * the debug shell to indicate no more results from last cmd.
 127                  */
 128                 if (msg->any.head.error) {
 129                         fprintf(stderr, "Stream failure: %s\n",
 130                                 dmsg_msg_str(msg));
 131                 } else {
 132                         write(1, "debug> ", 7);
 133                 }
 134                 break;
 135         case DMSG_LNK_ERROR | DMSGF_DELETE:
 136                 /* ignore termination of LNK_CONN */
 137                 break;
 138 #endif
 139         case DMSG_DBG_SHELL:
 140                 /*
 141                  * We send the commands, not accept them.
 142                  * (one-way message, not transactional)
 143                  */
 144                 if (unmanaged)
 145                         dmsg_msg_reply(msg, DMSG_ERR_NOSUPP);
 146                 break;
 147         case DMSG_DBG_SHELL | DMSGF_REPLY:
 148                 /*
 149                  * A reply from the remote is data we copy to stdout.
 150                  * (one-way message, not transactional)
 151                  */
 152                 if (msg->aux_size) {
 153                         msg->aux_data[msg->aux_size - 1] = 0;
 154                         write(1, msg->aux_data, strlen(msg->aux_data));
 155                 }
 156                 break;
 157 #if 1
 158         case DMSG_LNK_CONN | DMSGF_CREATE:
 159                 fprintf(stderr, "Debug Shell received LNK_CONN\n");
 160                 nmsg = dmsg_msg_alloc(&msg->state->iocom->state0, 0,
 161                                       DMSG_DBG_SHELL,
 162                                       NULL, NULL);
 163                 dmsg_msg_write(nmsg);
 164                 dmsg_msg_reply(msg, DMSG_ERR_NOSUPP);
 165                 break;
 166         case DMSG_LNK_CONN | DMSGF_DELETE:
 167                 break;
 168 #endif
 169         default:
 170                 /*
 171                  * Ignore any unknown messages, Terminate any unknown
 172                  * transactions with an error.
 173                  */
 174                 fprintf(stderr, "Unknown message: %s\n", dmsg_msg_str(msg));
 175                 if (unmanaged) {
 176                         if (msg->any.head.cmd & DMSGF_CREATE)
 177                                 dmsg_msg_reply(msg, DMSG_ERR_NOSUPP);
 178                         if (msg->any.head.cmd & DMSGF_DELETE)
 179                                 dmsg_msg_reply(msg, DMSG_ERR_NOSUPP);
 180                 }
 181                 break;
 182         }
 183 }
 184
 185 /*
 186  * Debug session front-end
 187  */
 188 static
 189 void
 190 shell_ttymsg(dmsg_iocom_t *iocom)
 191 {
 192         dmsg_state_t *pstate;
 193         dmsg_msg_t *msg;
 194         char buf[256];
 195         char *cmd;
 196         size_t len;
 197
 198         if (fgets(buf, sizeof(buf), stdin) != NULL) {
 199                 if (buf[0] == '@') {
 200                         pstate = dmsg_findspan(strtok(buf + 1, " \t\n"));
 201                         cmd = strtok(NULL, "\n");
 202                 } else {
 203                         pstate = &iocom->state0;
 204                         cmd = strtok(buf, "\n");
 205                 }
 206                 if (cmd && pstate) {
 207                         len = strlen(cmd) + 1;
 208                         msg = dmsg_msg_alloc(pstate, len, DMSG_DBG_SHELL,
 209                                              NULL, NULL);
 210                         bcopy(cmd, msg->aux_data, len);
 211                         dmsg_msg_write(msg);
 212                 } else if (cmd) {
 213                         fprintf(stderr, "@msgid not found\n");
 214                 } else {
 215                         /*
 216                          * This should cause the remote end to generate
 217                          * a debug> prompt (and thus shows that there is
 218                          * connectivity).
 219                          */
 220                         msg = dmsg_msg_alloc(pstate, 0, DMSG_DBG_SHELL,
 221                                              NULL, NULL);
 222                         dmsg_msg_write(msg);
 223                 }
 224         } else if (feof(stdin)) {
 225                 /*
 226                  * Set EOF flag without setting any error code for normal
 227                  * EOF.
 228                  */
 229                 iocom->flags |= DMSG_IOCOMF_EOF;
 230         } else {
 231                 clearerr(stdin);
 232         }
 233 }
 234
 235 /*
 236  * Debug session back-end (on remote side)
 237  */
 238 static void shell_span(dmsg_msg_t *msg, char *cmdbuf);
 239
 240 void
 241 hammer2_shell_parse(dmsg_msg_t *msg, int unmanaged)
 242 {
 243         dmsg_iocom_t *iocom = msg->state->iocom;
 244         char *cmdbuf;
 245         char *cmdp;
 246         uint32_t cmd;
 247
 248         /*
 249          * Filter on debug shell commands only
 250          */
 251         cmd = msg->any.head.cmd;
 252         if ((cmd & DMSGF_PROTOS) != DMSG_PROTO_DBG) {
 253                 if (unmanaged)
 254                         dmsg_msg_reply(msg, DMSG_ERR_NOSUPP);
 255                 return;
 256         }
 257         if ((cmd & DMSGF_CMDSWMASK) != DMSG_DBG_SHELL) {
 258                 if (unmanaged)
 259                         dmsg_msg_reply(msg, DMSG_ERR_NOSUPP);
 260                 return;
 261         }
 262
 263         /*
 264          * Debug shell command
 265          */
 266         cmdbuf = msg->aux_data;
 267         cmdp = strsep(&cmdbuf, " \t");
 268
 269         if (cmdp == NULL || *cmdp == 0) {
 270                 ;
 271         } else if (strcmp(cmdp, "span") == 0) {
 272                 shell_span(msg, cmdbuf);
 273         } else if (strcmp(cmdp, "tree") == 0) {
 274                 dmsg_shell_tree(iocom, cmdbuf); /* dump spanning tree */
 275         } else if (strcmp(cmdp, "help") == 0 || strcmp(cmdp, "?") == 0) {
 276                 dmsg_printf(iocom, "help            Command help\n");
 277                 dmsg_printf(iocom, "span <host>     Span to target host\n");
 278                 dmsg_printf(iocom, "tree            Dump spanning tree\n");
 279                 dmsg_printf(iocom, "@span <cmd>     Issue via circuit\n");
 280         } else {
 281                 dmsg_printf(iocom, "Unrecognized command: %s\n", cmdp);
 282         }
 283         dmsg_printf(iocom, "debug> ");
 284 }
 285
 286 static void
 287 shell_span(dmsg_msg_t *msg, char *cmdbuf)
 288 {
 289         dmsg_iocom_t *iocom = msg->state->iocom;
 290         dmsg_master_service_info_t *info;
 291         const char *hostname = strsep(&cmdbuf, " \t");
 292         pthread_t thread;
 293         int fd;
 294
 295         /*
 296          * Connect to the target
 297          */
 298         if (hostname == NULL) {
 299                 fd = -1;
 300         } else {
 301                 fd = dmsg_connect(hostname);
 302         }
 303
 304         /*
 305          * Start master service
 306          */
 307         if (fd < 0) {
 308                 dmsg_printf(iocom, "Connection to %s failed\n", hostname);
 309         } else {
 310                 dmsg_printf(iocom, "Connected to %s\n", hostname);
 311
 312                 info = malloc(sizeof(*info));
 313                 bzero(info, sizeof(*info));
 314                 info->fd = fd;
 315                 info->detachme = 1;
 316                 info->usrmsg_callback = hammer2_shell_parse;
 317                 info->label = strdup("client");
 318
 319                 pthread_create(&thread, NULL, dmsg_master_service, info);
 320                 /*pthread_join(thread, &res);*/
 321         }
 322 }
 323
 324 /************************************************************************
 325  *                              DEBUGSPAN                               *
 326  ************************************************************************
 327  *
 328  * Connect to the target manually (not via the cluster list embedded in
 329  * a hammer2 filesystem) and initiate the SPAN protocol.
 330  */
 331 int
 332 cmd_debugspan(const char *hostname)
 333 {
 334         pthread_t thread;
 335         int fd;
 336         void *res;
 337
 338         /*
 339          * Connect to the target
 340          */
 341         fd = dmsg_connect(hostname);
 342         if (fd < 0)
 343                 return 1;
 344
 345         printf("debugspan: connected to %s, starting CONN/SPAN\n", hostname);
 346         pthread_create(&thread, NULL,
 347                        dmsg_master_service, (void *)(intptr_t)fd);
 348         pthread_join(thread, &res);
 349         return(0);
 350 }
 351
 352 /************************************************************************
 353  *                                  SHOW                                *
 354  ************************************************************************/
 355
 356 static void show_bref(int fd, int tab, int bi, hammer2_blockref_t *bref,
 357                         int dofreemap);
 358 static void tabprintf(int tab, const char *ctl, ...);
 359
 360 int
 361 cmd_show(const char *devpath, int dofreemap)
 362 {
 363         hammer2_blockref_t broot;
 364         hammer2_blockref_t best;
 365         hammer2_media_data_t media;
 366         int fd;
 367         int i;
 368         int best_i;
 369
 370         fd = open(devpath, O_RDONLY);
 371         if (fd < 0) {
 372                 perror("open");
 373                 return 1;
 374         }
 375
 376         /*
 377          * Show the tree using the best volume header.
 378          * -vvv will show the tree for all four volume headers.
 379          */
 380         best_i = -1;
 381         bzero(&best, sizeof(best));
 382         for (i = 0; i < 4; ++i) {
 383                 bzero(&broot, sizeof(broot));
 384                 broot.type = HAMMER2_BREF_TYPE_VOLUME;
 385                 broot.data_off = (i * HAMMER2_ZONE_BYTES64) |
 386                                  HAMMER2_PBUFRADIX;
 387                 lseek(fd, broot.data_off & ~HAMMER2_OFF_MASK_RADIX, 0);
 388                 if (read(fd, &media, HAMMER2_PBUFSIZE) ==
 389                     (ssize_t)HAMMER2_PBUFSIZE) {
 390                         broot.mirror_tid = media.voldata.mirror_tid;
 391                         if (best_i < 0 || best.mirror_tid < broot.mirror_tid) {
 392                                 best_i = i;
 393                                 best = broot;
 394                         }
 395                         if (VerboseOpt >= 3)
 396                                 show_bref(fd, 0, i, &broot, dofreemap);
 397                 }
 398         }
 399         if (VerboseOpt < 3)
 400                 show_bref(fd, 0, best_i, &best, dofreemap);
 401         close(fd);
 402
 403         return 0;
 404 }
 405
 406 extern uint32_t iscsi_crc32(const void *buf, size_t size);
 407 static void
 408 show_bref(int fd, int tab, int bi, hammer2_blockref_t *bref, int dofreemap)
 409 {
 410         hammer2_media_data_t media;
 411         hammer2_blockref_t *bscan;
 412         int bcount;
 413         int i;
 414         int didnl;
 415         int namelen;
 416         int obrace = 1;
 417         size_t bytes;
 418         const char *type_str;
 419         char *str = NULL;
 420         uint32_t cv;
 421
 422         switch(bref->type) {
 423         case HAMMER2_BREF_TYPE_EMPTY:
 424                 type_str = "empty";
 425                 break;
 426         case HAMMER2_BREF_TYPE_INODE:
 427                 type_str = "inode";
 428                 break;
 429         case HAMMER2_BREF_TYPE_INDIRECT:
 430                 type_str = "indblk";
 431                 break;
 432         case HAMMER2_BREF_TYPE_DATA:
 433                 type_str = "data";
 434                 break;
 435         case HAMMER2_BREF_TYPE_VOLUME:
 436                 type_str = "volume";
 437                 break;
 438         case HAMMER2_BREF_TYPE_FREEMAP:
 439                 type_str = "freemap";
 440                 break;
 441         case HAMMER2_BREF_TYPE_FREEMAP_NODE:
 442                 type_str = "fmapnode";
 443                 break;
 444         case HAMMER2_BREF_TYPE_FREEMAP_LEAF:
 445                 type_str = "fbitmap";
 446                 break;
 447         default:
 448                 type_str = "unknown";
 449                 break;
 450         }
 451
 452         tabprintf(tab, "%s.%-3d %016jx %016jx/%-2d mir=%016jx mod=%016jx ",
 453                type_str, bi, (intmax_t)bref->data_off,
 454                (intmax_t)bref->key, (intmax_t)bref->keybits,
 455                (intmax_t)bref->mirror_tid, (intmax_t)bref->modify_tid);
 456         tab += SHOW_TAB;
 457         if (bref->flags)
 458                 printf("flags=%02x ", bref->flags);
 459
 460         bytes = (size_t)1 << (bref->data_off & HAMMER2_OFF_MASK_RADIX);
 461
 462         {
 463                 hammer2_off_t io_off;
 464                 hammer2_off_t io_base;
 465                 size_t io_bytes;
 466                 size_t boff;
 467
 468                 io_off = bref->data_off & ~HAMMER2_OFF_MASK_RADIX;
 469                 io_base = io_off & ~(hammer2_off_t)(HAMMER2_MINIOSIZE - 1);
 470                 io_bytes = bytes;
 471                 boff = io_off - io_base;
 472
 473                 io_bytes = HAMMER2_MINIOSIZE;
 474                 while (io_bytes + boff < bytes)
 475                         io_bytes <<= 1;
 476
 477                 if (io_bytes > sizeof(media)) {
 478                         printf("(bad block size %zd)\n", bytes);
 479                         return;
 480                 }
 481                 if (bref->type != HAMMER2_BREF_TYPE_DATA || VerboseOpt >= 1) {
 482                         lseek(fd, io_base, 0);
 483                         if (read(fd, &media, io_bytes) != (ssize_t)io_bytes) {
 484                                 printf("(media read failed)\n");
 485                                 return;
 486                         }
 487                         if (boff)
 488                                 bcopy((char *)&media + boff, &media, bytes);
 489                 }
 490         }
 491
 492         bscan = NULL;
 493         bcount = 0;
 494         didnl = 1;
 495         namelen = 0;
 496
 497         /*
 498          * Check data integrity in verbose mode, otherwise we are just doing
 499          * a quick meta-data scan.  Meta-data integrity is always checked.
 500          * (Also see the check above that ensures the media data is loaded,
 501          * otherwise there's no data to check!).
 502          */
 503         if (bref->type != HAMMER2_BREF_TYPE_DATA || VerboseOpt >= 1) {
 504                 switch(HAMMER2_DEC_CHECK(bref->methods)) {
 505                 case HAMMER2_CHECK_NONE:
 506                         printf("(meth %02x) ", bref->methods);
 507                         break;
 508                 case HAMMER2_CHECK_DISABLED:
 509                         printf("(meth %02x) ", bref->methods);
 510                         break;
 511                 case HAMMER2_CHECK_ISCSI32:
 512                         cv = hammer2_icrc32(&media, bytes);
 513                         if (bref->check.iscsi32.value != cv) {
 514                                 printf("(icrc %02x:%08x/%08x) ",
 515                                        bref->methods,
 516                                        bref->check.iscsi32.value,
 517                                        cv);
 518                         } else {
 519                                 printf("(meth %02x) ", bref->methods);
 520                         }
 521                         break;
 522                 case HAMMER2_CHECK_CRC64:
 523                         printf("(meth %02x) ", bref->methods);
 524                         break;
 525                 case HAMMER2_CHECK_SHA192:
 526                         printf("(meth %02x) ", bref->methods);
 527                         break;
 528                 case HAMMER2_CHECK_FREEMAP:
 529                         cv = hammer2_icrc32(&media, bytes);
 530                         if (bref->check.freemap.icrc32 != cv) {
 531                                 printf("(fcrc %02x:%08x/%08x) ",
 532                                         bref->methods,
 533                                         bref->check.freemap.icrc32,
 534                                         cv);
 535                         } else {
 536                                 printf("(meth %02x) ", bref->methods);
 537                         }
 538                         break;
 539                 }
 540         }
 541
 542         switch(bref->type) {
 543         case HAMMER2_BREF_TYPE_EMPTY:
 544                 obrace = 0;
 545                 break;
 546         case HAMMER2_BREF_TYPE_INODE:
 547                 printf("{\n");
 548                 if (media.ipdata.op_flags & HAMMER2_OPFLAG_DIRECTDATA) {
 549                         /* no blockrefs */
 550                 } else {
 551                         bscan = &media.ipdata.u.blockset.blockref[0];
 552                         bcount = HAMMER2_SET_COUNT;
 553                 }
 554                 namelen = media.ipdata.name_len;
 555                 if (namelen > HAMMER2_INODE_MAXNAME)
 556                         namelen = 0;
 557                 tabprintf(tab, "filename \"%*.*s\"\n",
 558                           namelen, namelen, media.ipdata.filename);
 559                 tabprintf(tab, "version  %d\n", media.ipdata.version);
 560                 tabprintf(tab, "uflags   0x%08x\n",
 561                           media.ipdata.uflags);
 562                 if (media.ipdata.rmajor || media.ipdata.rminor) {
 563                         tabprintf(tab, "rmajor   %d\n",
 564                                   media.ipdata.rmajor);
 565                         tabprintf(tab, "rminor   %d\n",
 566                                   media.ipdata.rminor);
 567                 }
 568                 tabprintf(tab, "ctime    %s\n",
 569                           hammer2_time64_to_str(media.ipdata.ctime, &str));
 570                 tabprintf(tab, "mtime    %s\n",
 571                           hammer2_time64_to_str(media.ipdata.mtime, &str));
 572                 tabprintf(tab, "atime    %s\n",
 573                           hammer2_time64_to_str(media.ipdata.atime, &str));
 574                 tabprintf(tab, "btime    %s\n",
 575                           hammer2_time64_to_str(media.ipdata.btime, &str));
 576                 tabprintf(tab, "uid      %s\n",
 577                           hammer2_uuid_to_str(&media.ipdata.uid, &str));
 578                 tabprintf(tab, "gid      %s\n",
 579                           hammer2_uuid_to_str(&media.ipdata.gid, &str));
 580                 if (media.ipdata.type == HAMMER2_OBJTYPE_HARDLINK)
 581                         tabprintf(tab, "type     %s (%s)\n",
 582                               hammer2_iptype_to_str(media.ipdata.type),
 583                               hammer2_iptype_to_str(media.ipdata.target_type));
 584                 else
 585                         tabprintf(tab, "type     %s\n",
 586                                   hammer2_iptype_to_str(media.ipdata.type));
 587                 tabprintf(tab, "opflgs   0x%02x\n",
 588                           media.ipdata.op_flags);
 589                 tabprintf(tab, "capflgs  0x%04x\n",
 590                           media.ipdata.cap_flags);
 591                 tabprintf(tab, "mode     %-7o\n",
 592                           media.ipdata.mode);
 593                 tabprintf(tab, "inum     0x%016jx\n",
 594                           media.ipdata.inum);
 595                 tabprintf(tab, "size     %ju\n",
 596                           (uintmax_t)media.ipdata.size);
 597                 tabprintf(tab, "nlinks   %ju\n",
 598                           (uintmax_t)media.ipdata.nlinks);
 599                 tabprintf(tab, "iparent  0x%016jx\n",
 600                           (uintmax_t)media.ipdata.iparent);
 601                 tabprintf(tab, "name_key 0x%016jx\n",
 602                           (uintmax_t)media.ipdata.name_key);
 603                 tabprintf(tab, "name_len %u\n",
 604                           media.ipdata.name_len);
 605                 tabprintf(tab, "ncopies  %u\n",
 606                           media.ipdata.ncopies);
 607                 tabprintf(tab, "compalg  %u\n",
 608                           media.ipdata.comp_algo);
 609                 tabprintf(tab, "checkalg %u\n",
 610                           media.ipdata.check_algo);
 611                 if (media.ipdata.op_flags & HAMMER2_OPFLAG_PFSROOT) {
 612                         tabprintf(tab, "pfs_type %u (%s)\n",
 613                                   media.ipdata.pfs_type,
 614                                   hammer2_pfstype_to_str(media.ipdata.pfs_type));
 615                         tabprintf(tab, "pfs_inum 0x%016jx\n",
 616                                   (uintmax_t)media.ipdata.pfs_inum);
 617                         tabprintf(tab, "pfs_clid %s\n",
 618                                   hammer2_uuid_to_str(&media.ipdata.pfs_clid,
 619                                                       &str));
 620                         tabprintf(tab, "pfs_fsid %s\n",
 621                                   hammer2_uuid_to_str(&media.ipdata.pfs_fsid,
 622                                                       &str));
 623                 }
 624                 tabprintf(tab, "data_quota  %ju\n",
 625                           (uintmax_t)media.ipdata.data_quota);
 626                 tabprintf(tab, "data_count  %ju\n",
 627                           (uintmax_t)media.ipdata.data_count);
 628                 tabprintf(tab, "inode_quota %ju\n",
 629                           (uintmax_t)media.ipdata.inode_quota);
 630                 tabprintf(tab, "inode_count %ju\n",
 631                           (uintmax_t)media.ipdata.inode_count);
 632                 tabprintf(tab, "attr_tid    0x%016jx\n",
 633                           (uintmax_t)media.ipdata.attr_tid);
 634                 if (media.ipdata.type == HAMMER2_OBJTYPE_DIRECTORY) {
 635                         tabprintf(tab, "dirent_tid  %016jx\n",
 636                                   (uintmax_t)media.ipdata.dirent_tid);
 637                 }
 638                 break;
 639         case HAMMER2_BREF_TYPE_INDIRECT:
 640                 bscan = &media.npdata[0];
 641                 bcount = bytes / sizeof(hammer2_blockref_t);
 642                 didnl = 1;
 643                 printf("{\n");
 644                 break;
 645         case HAMMER2_BREF_TYPE_DATA:
 646                 if (VerboseOpt >= 2) {
 647                         printf("{\n");
 648                 } else {
 649                         printf("\n");
 650                         obrace = 0;
 651                 }
 652                 break;
 653         case HAMMER2_BREF_TYPE_VOLUME:
 654                 printf("mirror_tid=%016jx freemap_tid=%016jx ",
 655                         media.voldata.mirror_tid,
 656                         media.voldata.freemap_tid);
 657                 if (dofreemap) {
 658                         bscan = &media.voldata.freemap_blockset.blockref[0];
 659                         bcount = HAMMER2_SET_COUNT;
 660                 } else {
 661                         bscan = &media.voldata.sroot_blockset.blockref[0];
 662                         bcount = HAMMER2_SET_COUNT;
 663                 }
 664                 printf("{\n");
 665                 break;
 666         case HAMMER2_BREF_TYPE_FREEMAP_LEAF:
 667                 printf("{\n");
 668                 for (i = 0; i < HAMMER2_FREEMAP_COUNT; ++i) {
 669                         if (media.bmdata[i].class == 0 &&
 670                             media.bmdata[i].avail == 0) {
 671                                 continue;
 672                         }
 673                         tabprintf(tab + 4, "%04d.%04x (avail=%7d) "
 674                                   "%08x %08x %08x %08x %08x %08x %08x %08x\n",
 675                                   i, media.bmdata[i].class,
 676                                   media.bmdata[i].avail,
 677                                   media.bmdata[i].bitmap[0],
 678                                   media.bmdata[i].bitmap[1],
 679                                   media.bmdata[i].bitmap[2],
 680                                   media.bmdata[i].bitmap[3],
 681                                   media.bmdata[i].bitmap[4],
 682                                   media.bmdata[i].bitmap[5],
 683                                   media.bmdata[i].bitmap[6],
 684                                   media.bmdata[i].bitmap[7]);
 685                 }
 686                 tabprintf(tab, "}\n");
 687                 break;
 688         case HAMMER2_BREF_TYPE_FREEMAP_NODE:
 689                 printf("{\n");
 690                 bscan = &media.npdata[0];
 691                 bcount = bytes / sizeof(hammer2_blockref_t);
 692                 break;
 693         default:
 694                 printf("\n");
 695                 obrace = 0;
 696                 break;
 697         }
 698         if (str)
 699                 free(str);
 700         for (i = 0; i < bcount; ++i) {
 701                 if (bscan[i].type != HAMMER2_BREF_TYPE_EMPTY) {
 702                         if (didnl == 0) {
 703                                 printf("\n");
 704                                 didnl = 1;
 705                         }
 706                         show_bref(fd, tab, i, &bscan[i], dofreemap);
 707                 }
 708         }
 709         tab -= SHOW_TAB;
 710         if (obrace) {
 711                 if (bref->type == HAMMER2_BREF_TYPE_INODE)
 712                         tabprintf(tab, "} (%s.%d, \"%*.*s\")\n",
 713                                   type_str, bi,
 714                                   namelen, namelen, media.ipdata.filename);
 715                 else
 716                         tabprintf(tab, "} (%s.%d)\n", type_str,bi);
 717         }
 718 }
 719
 720 int
 721 cmd_hash(int ac, const char **av)
 722 {
 723         int i;
 724
 725         for (i = 0; i < ac; ++i) {
 726                 printf("%016jx %s\n", dirhash(av[i], strlen(av[i])), av[i]);
 727         }
 728         return(0);
 729 }
 730
 731 int
 732 cmd_chaindump(const char *path)
 733 {
 734         int dummy = 0;
 735         int fd;
 736
 737         fd = open(path, O_RDONLY);
 738         if (fd >= 0) {
 739                 ioctl(fd, HAMMER2IOC_DEBUG_DUMP, &dummy);
 740                 close(fd);
 741         } else {
 742                 fprintf(stderr, "unable to open %s\n", path);
 743         }
 744         return 0;
 745 }
 746
 747
 748 static
 749 void
 750 tabprintf(int tab, const char *ctl, ...)
 751 {
 752         va_list va;
 753
 754         printf("%*.*s", tab, tab, "");
 755         va_start(va, ctl);
 756         vprintf(ctl, va);
 757         va_end(va);
 758 }