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 static void shell_ping(dmsg_msg_t *msg, char *cmdbuf);
 240
 241 void
 242 hammer2_shell_parse(dmsg_msg_t *msg, int unmanaged)
 243 {
 244         dmsg_iocom_t *iocom = msg->state->iocom;
 245         char *cmdbuf;
 246         char *cmdp;
 247         uint32_t cmd;
 248
 249         /*
 250          * Filter on debug shell commands and ping responses only
 251          */
 252         cmd = msg->any.head.cmd;
 253         if ((cmd & DMSGF_CMDSWMASK) == (DMSG_LNK_PING | DMSGF_REPLY)) {
 254                 dmsg_printf(iocom, "ping reply\n");
 255                 return;
 256         }
 257
 258         if ((cmd & DMSGF_PROTOS) != DMSG_PROTO_DBG) {
 259                 if (unmanaged)
 260                         dmsg_msg_reply(msg, DMSG_ERR_NOSUPP);
 261                 return;
 262         }
 263         if ((cmd & DMSGF_CMDSWMASK) != DMSG_DBG_SHELL) {
 264                 if (unmanaged)
 265                         dmsg_msg_reply(msg, DMSG_ERR_NOSUPP);
 266                 return;
 267         }
 268
 269         /*
 270          * Debug shell command
 271          */
 272         cmdbuf = msg->aux_data;
 273         cmdp = strsep(&cmdbuf, " \t");
 274
 275         if (cmdp == NULL || *cmdp == 0) {
 276                 ;
 277         } else if (strcmp(cmdp, "ping") == 0) {
 278                 shell_ping(msg, cmdbuf);
 279         } else if (strcmp(cmdp, "span") == 0) {
 280                 shell_span(msg, cmdbuf);
 281         } else if (strcmp(cmdp, "tree") == 0) {
 282                 dmsg_shell_tree(iocom, cmdbuf); /* dump spanning tree */
 283         } else if (strcmp(cmdp, "help") == 0 || strcmp(cmdp, "?") == 0) {
 284                 dmsg_printf(iocom, "help            Command help\n");
 285                 dmsg_printf(iocom, "span <host>     Span to target host\n");
 286                 dmsg_printf(iocom, "tree            Dump spanning tree\n");
 287                 dmsg_printf(iocom, "@span <cmd>     Issue via circuit\n");
 288         } else {
 289                 dmsg_printf(iocom, "Unrecognized command: %s\n", cmdp);
 290         }
 291         dmsg_printf(iocom, "debug> ");
 292 }
 293
 294 static void
 295 shell_ping(dmsg_msg_t *msg, char *cmdbuf __unused)
 296 {
 297         dmsg_iocom_t *iocom = msg->state->iocom;
 298         dmsg_msg_t *m2;
 299
 300         dmsg_printf(iocom, "sending ping\n");
 301         m2 = dmsg_msg_alloc(msg->state, 0, DMSG_LNK_PING, NULL, NULL);
 302         dmsg_msg_write(m2);
 303 }
 304
 305 static void
 306 shell_span(dmsg_msg_t *msg, char *cmdbuf)
 307 {
 308         dmsg_iocom_t *iocom = msg->state->iocom;
 309         dmsg_master_service_info_t *info;
 310         const char *hostname = strsep(&cmdbuf, " \t");
 311         pthread_t thread;
 312         int fd;
 313
 314         /*
 315          * Connect to the target
 316          */
 317         if (hostname == NULL) {
 318                 fd = -1;
 319         } else {
 320                 fd = dmsg_connect(hostname);
 321         }
 322
 323         /*
 324          * Start master service
 325          */
 326         if (fd < 0) {
 327                 dmsg_printf(iocom, "Connection to %s failed\n", hostname);
 328         } else {
 329                 dmsg_printf(iocom, "Connected to %s\n", hostname);
 330
 331                 info = malloc(sizeof(*info));
 332                 bzero(info, sizeof(*info));
 333                 info->fd = fd;
 334                 info->detachme = 1;
 335                 info->usrmsg_callback = hammer2_shell_parse;
 336                 info->label = strdup("client");
 337
 338                 pthread_create(&thread, NULL, dmsg_master_service, info);
 339                 /*pthread_join(thread, &res);*/
 340         }
 341 }
 342
 343 /************************************************************************
 344  *                              DEBUGSPAN                               *
 345  ************************************************************************
 346  *
 347  * Connect to the target manually (not via the cluster list embedded in
 348  * a hammer2 filesystem) and initiate the SPAN protocol.
 349  */
 350 int
 351 cmd_debugspan(const char *hostname)
 352 {
 353         pthread_t thread;
 354         int fd;
 355         void *res;
 356
 357         /*
 358          * Connect to the target
 359          */
 360         fd = dmsg_connect(hostname);
 361         if (fd < 0)
 362                 return 1;
 363
 364         printf("debugspan: connected to %s, starting CONN/SPAN\n", hostname);
 365         pthread_create(&thread, NULL,
 366                        dmsg_master_service, (void *)(intptr_t)fd);
 367         pthread_join(thread, &res);
 368         return(0);
 369 }
 370
 371 /************************************************************************
 372  *                                  SHOW                                *
 373  ************************************************************************/
 374
 375 static void show_bref(int fd, int tab, int bi, hammer2_blockref_t *bref,
 376                         int dofreemap);
 377 static void tabprintf(int tab, const char *ctl, ...);
 378
 379 int
 380 cmd_show(const char *devpath, int dofreemap)
 381 {
 382         hammer2_blockref_t broot;
 383         hammer2_blockref_t best;
 384         hammer2_media_data_t media;
 385         int fd;
 386         int i;
 387         int best_i;
 388
 389         fd = open(devpath, O_RDONLY);
 390         if (fd < 0) {
 391                 perror("open");
 392                 return 1;
 393         }
 394
 395         /*
 396          * Show the tree using the best volume header.
 397          * -vvv will show the tree for all four volume headers.
 398          */
 399         best_i = -1;
 400         bzero(&best, sizeof(best));
 401         for (i = 0; i < 4; ++i) {
 402                 bzero(&broot, sizeof(broot));
 403                 broot.type = HAMMER2_BREF_TYPE_VOLUME;
 404                 broot.data_off = (i * HAMMER2_ZONE_BYTES64) |
 405                                  HAMMER2_PBUFRADIX;
 406                 lseek(fd, broot.data_off & ~HAMMER2_OFF_MASK_RADIX, 0);
 407                 if (read(fd, &media, HAMMER2_PBUFSIZE) ==
 408                     (ssize_t)HAMMER2_PBUFSIZE) {
 409                         broot.mirror_tid = media.voldata.mirror_tid;
 410                         if (best_i < 0 || best.mirror_tid < broot.mirror_tid) {
 411                                 best_i = i;
 412                                 best = broot;
 413                         }
 414                         if (VerboseOpt >= 3)
 415                                 show_bref(fd, 0, i, &broot, dofreemap);
 416                 }
 417         }
 418         if (VerboseOpt < 3)
 419                 show_bref(fd, 0, best_i, &best, dofreemap);
 420         close(fd);
 421
 422         return 0;
 423 }
 424
 425 extern uint32_t iscsi_crc32(const void *buf, size_t size);
 426 static void
 427 show_bref(int fd, int tab, int bi, hammer2_blockref_t *bref, int dofreemap)
 428 {
 429         hammer2_media_data_t media;
 430         hammer2_blockref_t *bscan;
 431         int bcount;
 432         int i;
 433         int didnl;
 434         int namelen;
 435         int obrace = 1;
 436         size_t bytes;
 437         const char *type_str;
 438         char *str = NULL;
 439         uint32_t cv;
 440
 441         switch(bref->type) {
 442         case HAMMER2_BREF_TYPE_EMPTY:
 443                 type_str = "empty";
 444                 break;
 445         case HAMMER2_BREF_TYPE_INODE:
 446                 type_str = "inode";
 447                 break;
 448         case HAMMER2_BREF_TYPE_INDIRECT:
 449                 type_str = "indblk";
 450                 break;
 451         case HAMMER2_BREF_TYPE_DATA:
 452                 type_str = "data";
 453                 break;
 454         case HAMMER2_BREF_TYPE_VOLUME:
 455                 type_str = "volume";
 456                 break;
 457         case HAMMER2_BREF_TYPE_FREEMAP:
 458                 type_str = "freemap";
 459                 break;
 460         case HAMMER2_BREF_TYPE_FREEMAP_NODE:
 461                 type_str = "fmapnode";
 462                 break;
 463         case HAMMER2_BREF_TYPE_FREEMAP_LEAF:
 464                 type_str = "fbitmap";
 465                 break;
 466         default:
 467                 type_str = "unknown";
 468                 break;
 469         }
 470
 471         tabprintf(tab, "%s.%-3d %016jx %016jx/%-2d mir=%016jx mod=%016jx ",
 472                type_str, bi, (intmax_t)bref->data_off,
 473                (intmax_t)bref->key, (intmax_t)bref->keybits,
 474                (intmax_t)bref->mirror_tid, (intmax_t)bref->modify_tid);
 475         tab += SHOW_TAB;
 476         if (bref->flags)
 477                 printf("flags=%02x ", bref->flags);
 478
 479         bytes = (size_t)1 << (bref->data_off & HAMMER2_OFF_MASK_RADIX);
 480
 481         {
 482                 hammer2_off_t io_off;
 483                 hammer2_off_t io_base;
 484                 size_t io_bytes;
 485                 size_t boff;
 486
 487                 io_off = bref->data_off & ~HAMMER2_OFF_MASK_RADIX;
 488                 io_base = io_off & ~(hammer2_off_t)(HAMMER2_MINIOSIZE - 1);
 489                 io_bytes = bytes;
 490                 boff = io_off - io_base;
 491
 492                 io_bytes = HAMMER2_MINIOSIZE;
 493                 while (io_bytes + boff < bytes)
 494                         io_bytes <<= 1;
 495
 496                 if (io_bytes > sizeof(media)) {
 497                         printf("(bad block size %zd)\n", bytes);
 498                         return;
 499                 }
 500                 if (bref->type != HAMMER2_BREF_TYPE_DATA || VerboseOpt >= 1) {
 501                         lseek(fd, io_base, 0);
 502                         if (read(fd, &media, io_bytes) != (ssize_t)io_bytes) {
 503                                 printf("(media read failed)\n");
 504                                 return;
 505                         }
 506                         if (boff)
 507                                 bcopy((char *)&media + boff, &media, bytes);
 508                 }
 509         }
 510
 511         bscan = NULL;
 512         bcount = 0;
 513         didnl = 1;
 514         namelen = 0;
 515
 516         /*
 517          * Check data integrity in verbose mode, otherwise we are just doing
 518          * a quick meta-data scan.  Meta-data integrity is always checked.
 519          * (Also see the check above that ensures the media data is loaded,
 520          * otherwise there's no data to check!).
 521          */
 522         if (bref->type != HAMMER2_BREF_TYPE_DATA || VerboseOpt >= 1) {
 523                 switch(HAMMER2_DEC_CHECK(bref->methods)) {
 524                 case HAMMER2_CHECK_NONE:
 525                         printf("(meth %02x) ", bref->methods);
 526                         break;
 527                 case HAMMER2_CHECK_DISABLED:
 528                         printf("(meth %02x) ", bref->methods);
 529                         break;
 530                 case HAMMER2_CHECK_ISCSI32:
 531                         cv = hammer2_icrc32(&media, bytes);
 532                         if (bref->check.iscsi32.value != cv) {
 533                                 printf("(icrc %02x:%08x/%08x) ",
 534                                        bref->methods,
 535                                        bref->check.iscsi32.value,
 536                                        cv);
 537                         } else {
 538                                 printf("(meth %02x) ", bref->methods);
 539                         }
 540                         break;
 541                 case HAMMER2_CHECK_CRC64:
 542                         printf("(meth %02x) ", bref->methods);
 543                         break;
 544                 case HAMMER2_CHECK_SHA192:
 545                         printf("(meth %02x) ", bref->methods);
 546                         break;
 547                 case HAMMER2_CHECK_FREEMAP:
 548                         cv = hammer2_icrc32(&media, bytes);
 549                         if (bref->check.freemap.icrc32 != cv) {
 550                                 printf("(fcrc %02x:%08x/%08x) ",
 551                                         bref->methods,
 552                                         bref->check.freemap.icrc32,
 553                                         cv);
 554                         } else {
 555                                 printf("(meth %02x) ", bref->methods);
 556                         }
 557                         break;
 558                 }
 559         }
 560
 561         switch(bref->type) {
 562         case HAMMER2_BREF_TYPE_EMPTY:
 563                 obrace = 0;
 564                 break;
 565         case HAMMER2_BREF_TYPE_INODE:
 566                 printf("{\n");
 567                 if (media.ipdata.op_flags & HAMMER2_OPFLAG_DIRECTDATA) {
 568                         /* no blockrefs */
 569                 } else {
 570                         bscan = &media.ipdata.u.blockset.blockref[0];
 571                         bcount = HAMMER2_SET_COUNT;
 572                 }
 573                 namelen = media.ipdata.name_len;
 574                 if (namelen > HAMMER2_INODE_MAXNAME)
 575                         namelen = 0;
 576                 tabprintf(tab, "filename \"%*.*s\"\n",
 577                           namelen, namelen, media.ipdata.filename);
 578                 tabprintf(tab, "version  %d\n", media.ipdata.version);
 579                 tabprintf(tab, "uflags   0x%08x\n",
 580                           media.ipdata.uflags);
 581                 if (media.ipdata.rmajor || media.ipdata.rminor) {
 582                         tabprintf(tab, "rmajor   %d\n",
 583                                   media.ipdata.rmajor);
 584                         tabprintf(tab, "rminor   %d\n",
 585                                   media.ipdata.rminor);
 586                 }
 587                 tabprintf(tab, "ctime    %s\n",
 588                           hammer2_time64_to_str(media.ipdata.ctime, &str));
 589                 tabprintf(tab, "mtime    %s\n",
 590                           hammer2_time64_to_str(media.ipdata.mtime, &str));
 591                 tabprintf(tab, "atime    %s\n",
 592                           hammer2_time64_to_str(media.ipdata.atime, &str));
 593                 tabprintf(tab, "btime    %s\n",
 594                           hammer2_time64_to_str(media.ipdata.btime, &str));
 595                 tabprintf(tab, "uid      %s\n",
 596                           hammer2_uuid_to_str(&media.ipdata.uid, &str));
 597                 tabprintf(tab, "gid      %s\n",
 598                           hammer2_uuid_to_str(&media.ipdata.gid, &str));
 599                 if (media.ipdata.type == HAMMER2_OBJTYPE_HARDLINK)
 600                         tabprintf(tab, "type     %s (%s)\n",
 601                               hammer2_iptype_to_str(media.ipdata.type),
 602                               hammer2_iptype_to_str(media.ipdata.target_type));
 603                 else
 604                         tabprintf(tab, "type     %s\n",
 605                                   hammer2_iptype_to_str(media.ipdata.type));
 606                 tabprintf(tab, "opflgs   0x%02x\n",
 607                           media.ipdata.op_flags);
 608                 tabprintf(tab, "capflgs  0x%04x\n",
 609                           media.ipdata.cap_flags);
 610                 tabprintf(tab, "mode     %-7o\n",
 611                           media.ipdata.mode);
 612                 tabprintf(tab, "inum     0x%016jx\n",
 613                           media.ipdata.inum);
 614                 tabprintf(tab, "size     %ju\n",
 615                           (uintmax_t)media.ipdata.size);
 616                 tabprintf(tab, "nlinks   %ju\n",
 617                           (uintmax_t)media.ipdata.nlinks);
 618                 tabprintf(tab, "iparent  0x%016jx\n",
 619                           (uintmax_t)media.ipdata.iparent);
 620                 tabprintf(tab, "name_key 0x%016jx\n",
 621                           (uintmax_t)media.ipdata.name_key);
 622                 tabprintf(tab, "name_len %u\n",
 623                           media.ipdata.name_len);
 624                 tabprintf(tab, "ncopies  %u\n",
 625                           media.ipdata.ncopies);
 626                 tabprintf(tab, "compalg  %u\n",
 627                           media.ipdata.comp_algo);
 628                 tabprintf(tab, "checkalg %u\n",
 629                           media.ipdata.check_algo);
 630                 if (media.ipdata.op_flags & HAMMER2_OPFLAG_PFSROOT) {
 631                         tabprintf(tab, "pfs_type %u (%s)\n",
 632                                   media.ipdata.pfs_type,
 633                                   hammer2_pfstype_to_str(media.ipdata.pfs_type));
 634                         tabprintf(tab, "pfs_inum 0x%016jx\n",
 635                                   (uintmax_t)media.ipdata.pfs_inum);
 636                         tabprintf(tab, "pfs_clid %s\n",
 637                                   hammer2_uuid_to_str(&media.ipdata.pfs_clid,
 638                                                       &str));
 639                         tabprintf(tab, "pfs_fsid %s\n",
 640                                   hammer2_uuid_to_str(&media.ipdata.pfs_fsid,
 641                                                       &str));
 642                 }
 643                 tabprintf(tab, "data_quota  %ju\n",
 644                           (uintmax_t)media.ipdata.data_quota);
 645                 tabprintf(tab, "data_count  %ju\n",
 646                           (uintmax_t)media.ipdata.data_count);
 647                 tabprintf(tab, "inode_quota %ju\n",
 648                           (uintmax_t)media.ipdata.inode_quota);
 649                 tabprintf(tab, "inode_count %ju\n",
 650                           (uintmax_t)media.ipdata.inode_count);
 651                 tabprintf(tab, "attr_tid    0x%016jx\n",
 652                           (uintmax_t)media.ipdata.attr_tid);
 653                 if (media.ipdata.type == HAMMER2_OBJTYPE_DIRECTORY) {
 654                         tabprintf(tab, "dirent_tid  %016jx\n",
 655                                   (uintmax_t)media.ipdata.dirent_tid);
 656                 }
 657                 break;
 658         case HAMMER2_BREF_TYPE_INDIRECT:
 659                 bscan = &media.npdata[0];
 660                 bcount = bytes / sizeof(hammer2_blockref_t);
 661                 didnl = 1;
 662                 printf("{\n");
 663                 break;
 664         case HAMMER2_BREF_TYPE_DATA:
 665                 if (VerboseOpt >= 2) {
 666                         printf("{\n");
 667                 } else {
 668                         printf("\n");
 669                         obrace = 0;
 670                 }
 671                 break;
 672         case HAMMER2_BREF_TYPE_VOLUME:
 673                 printf("mirror_tid=%016jx freemap_tid=%016jx ",
 674                         media.voldata.mirror_tid,
 675                         media.voldata.freemap_tid);
 676                 if (dofreemap) {
 677                         bscan = &media.voldata.freemap_blockset.blockref[0];
 678                         bcount = HAMMER2_SET_COUNT;
 679                 } else {
 680                         bscan = &media.voldata.sroot_blockset.blockref[0];
 681                         bcount = HAMMER2_SET_COUNT;
 682                 }
 683                 printf("{\n");
 684                 break;
 685         case HAMMER2_BREF_TYPE_FREEMAP_LEAF:
 686                 printf("{\n");
 687                 for (i = 0; i < HAMMER2_FREEMAP_COUNT; ++i) {
 688                         if (media.bmdata[i].class == 0 &&
 689                             media.bmdata[i].avail == 0) {
 690                                 continue;
 691                         }
 692                         tabprintf(tab + 4, "%04d.%04x (avail=%7d) "
 693                                   "%08x %08x %08x %08x %08x %08x %08x %08x\n",
 694                                   i, media.bmdata[i].class,
 695                                   media.bmdata[i].avail,
 696                                   media.bmdata[i].bitmap[0],
 697                                   media.bmdata[i].bitmap[1],
 698                                   media.bmdata[i].bitmap[2],
 699                                   media.bmdata[i].bitmap[3],
 700                                   media.bmdata[i].bitmap[4],
 701                                   media.bmdata[i].bitmap[5],
 702                                   media.bmdata[i].bitmap[6],
 703                                   media.bmdata[i].bitmap[7]);
 704                 }
 705                 tabprintf(tab, "}\n");
 706                 break;
 707         case HAMMER2_BREF_TYPE_FREEMAP_NODE:
 708                 printf("{\n");
 709                 bscan = &media.npdata[0];
 710                 bcount = bytes / sizeof(hammer2_blockref_t);
 711                 break;
 712         default:
 713                 printf("\n");
 714                 obrace = 0;
 715                 break;
 716         }
 717         if (str)
 718                 free(str);
 719         for (i = 0; i < bcount; ++i) {
 720                 if (bscan[i].type != HAMMER2_BREF_TYPE_EMPTY) {
 721                         if (didnl == 0) {
 722                                 printf("\n");
 723                                 didnl = 1;
 724                         }
 725                         show_bref(fd, tab, i, &bscan[i], dofreemap);
 726                 }
 727         }
 728         tab -= SHOW_TAB;
 729         if (obrace) {
 730                 if (bref->type == HAMMER2_BREF_TYPE_INODE)
 731                         tabprintf(tab, "} (%s.%d, \"%*.*s\")\n",
 732                                   type_str, bi,
 733                                   namelen, namelen, media.ipdata.filename);
 734                 else
 735                         tabprintf(tab, "} (%s.%d)\n", type_str,bi);
 736         }
 737 }
 738
 739 int
 740 cmd_hash(int ac, const char **av)
 741 {
 742         int i;
 743
 744         for (i = 0; i < ac; ++i) {
 745                 printf("%016jx %s\n", dirhash(av[i], strlen(av[i])), av[i]);
 746         }
 747         return(0);
 748 }
 749
 750 int
 751 cmd_chaindump(const char *path)
 752 {
 753         int dummy = 0;
 754         int fd;
 755
 756         fd = open(path, O_RDONLY);
 757         if (fd >= 0) {
 758                 ioctl(fd, HAMMER2IOC_DEBUG_DUMP, &dummy);
 759                 close(fd);
 760         } else {
 761                 fprintf(stderr, "unable to open %s\n", path);
 762         }
 763         return 0;
 764 }
 765
 766
 767 static
 768 void
 769 tabprintf(int tab, const char *ctl, ...)
 770 {
 771         va_list va;
 772
 773         printf("%*.*s", tab, tab, "");
 774         va_start(va, ctl);
 775         vprintf(ctl, va);
 776         va_end(va);
 777 }