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_rcvmsg(dmsg_msg_t *msg);
  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         struct dmsg_iocom iocom;
  51         dmsg_msg_t *msg;
  52         int fd;
  53
  54         /*
  55          * Connect to the target
  56          */
  57         fd = dmsg_connect(hostname);
  58         if (fd < 0)
  59                 return 1;
  60
  61         /*
  62          * Run the session.  The remote end transmits our prompt.
  63          */
  64         dmsg_iocom_init(&iocom, fd, 0,
  65                         NULL,
  66                         shell_rcvmsg,
  67                         hammer2_shell_parse,
  68                         shell_ttymsg);
  69         fcntl(0, F_SETFL, O_NONBLOCK);
  70         printf("debug: connected\n");
  71
  72         msg = dmsg_msg_alloc(&iocom.circuit0, 0, DMSG_DBG_SHELL, NULL, NULL);
  73         dmsg_msg_write(msg);
  74         dmsg_iocom_core(&iocom);
  75         fprintf(stderr, "debug: disconnected\n");
  76         close(fd);
  77         return 0;
  78 }
  79
  80 /*
  81  * Callback from dmsg_iocom_core() when messages might be present
  82  * on the socket.
  83  */
  84 static
  85 void
  86 shell_rcvmsg(dmsg_msg_t *msg)
  87 {
  88         switch(msg->any.head.cmd & DMSGF_TRANSMASK) {
  89         case DMSG_LNK_ERROR:
  90         case DMSG_LNK_ERROR | DMSGF_REPLY:
  91                 /*
  92                  * One-way non-transactional LNK_ERROR messages typically
  93                  * indicate a connection failure.  Error code 0 is used by
  94                  * the debug shell to indicate no more results from last cmd.
  95                  */
  96                 if (msg->any.head.error) {
  97                         fprintf(stderr, "Stream failure: %s\n",
  98                                 dmsg_msg_str(msg));
  99                 } else {
 100                         write(1, "debug> ", 7);
 101                 }
 102                 break;
 103         case DMSG_LNK_ERROR | DMSGF_DELETE:
 104                 /* ignore termination of LNK_CONN */
 105                 break;
 106         case DMSG_DBG_SHELL:
 107                 /*
 108                  * We send the commands, not accept them.
 109                  * (one-way message, not transactional)
 110                  */
 111                 dmsg_msg_reply(msg, DMSG_ERR_NOSUPP);
 112                 break;
 113         case DMSG_DBG_SHELL | DMSGF_REPLY:
 114                 /*
 115                  * A reply from the remote is data we copy to stdout.
 116                  * (one-way message, not transactional)
 117                  */
 118                 if (msg->aux_size) {
 119                         msg->aux_data[msg->aux_size - 1] = 0;
 120                         write(1, msg->aux_data, strlen(msg->aux_data));
 121                 }
 122                 break;
 123         case DMSG_LNK_CONN | DMSGF_CREATE:
 124                 fprintf(stderr, "Debug Shell is ignoring received LNK_CONN\n");
 125                 dmsg_msg_reply(msg, DMSG_ERR_NOSUPP);
 126                 break;
 127         case DMSG_LNK_CONN | DMSGF_DELETE:
 128                 break;
 129         default:
 130                 /*
 131                  * Ignore any unknown messages, Terminate any unknown
 132                  * transactions with an error.
 133                  */
 134                 fprintf(stderr, "Unknown message: %s\n", dmsg_msg_str(msg));
 135                 if (msg->any.head.cmd & DMSGF_CREATE)
 136                         dmsg_msg_reply(msg, DMSG_ERR_NOSUPP);
 137                 if (msg->any.head.cmd & DMSGF_DELETE)
 138                         dmsg_msg_reply(msg, DMSG_ERR_NOSUPP);
 139                 break;
 140         }
 141 }
 142
 143 static
 144 void
 145 shell_ttymsg(dmsg_iocom_t *iocom)
 146 {
 147         dmsg_msg_t *msg;
 148         char buf[256];
 149         size_t len;
 150
 151         if (fgets(buf, sizeof(buf), stdin) != NULL) {
 152                 len = strlen(buf);
 153                 if (len && buf[len - 1] == '\n')
 154                         buf[--len] = 0;
 155                 ++len;
 156                 msg = dmsg_msg_alloc(&iocom->circuit0, len, DMSG_DBG_SHELL,
 157                                      NULL, NULL);
 158                 bcopy(buf, msg->aux_data, len);
 159                 dmsg_msg_write(msg);
 160         } else if (feof(stdin)) {
 161                 /*
 162                  * Set EOF flag without setting any error code for normal
 163                  * EOF.
 164                  */
 165                 iocom->flags |= DMSG_IOCOMF_EOF;
 166         } else {
 167                 clearerr(stdin);
 168         }
 169 }
 170
 171 static void shell_span(dmsg_circuit_t *circuit, char *cmdbuf);
 172 static void shell_circ(dmsg_circuit_t *circuit, char *cmdbuf);
 173
 174 void
 175 hammer2_shell_parse(dmsg_msg_t *msg)
 176 {
 177         dmsg_circuit_t *circuit = msg->circuit;
 178         char *cmdbuf = msg->aux_data;
 179         char *cmd = strsep(&cmdbuf, " \t");
 180
 181         if (cmd == NULL || *cmd == 0) {
 182                 ;
 183         } else if (strcmp(cmd, "span") == 0) {
 184                 shell_span(circuit, cmdbuf);
 185         } else if (strcmp(cmd, "circ") == 0) {
 186                 shell_circ(circuit, cmdbuf);
 187         } else if (strcmp(cmd, "tree") == 0) {
 188                 dmsg_shell_tree(circuit, cmdbuf); /* dump spanning tree */
 189         } else if (strcmp(cmd, "help") == 0 || strcmp(cmd, "?") == 0) {
 190                 dmsg_circuit_printf(circuit, "help            Command help\n");
 191                 dmsg_circuit_printf(circuit, "span <host>     Span to target host\n");
 192                 dmsg_circuit_printf(circuit, "circ <msgid>    Create VC to msgid of rx SPAN\n");
 193                 dmsg_circuit_printf(circuit, "tree            Dump spanning tree\n");
 194         } else {
 195                 dmsg_circuit_printf(circuit, "Unrecognized command: %s\n", cmd);
 196         }
 197 }
 198
 199 static void
 200 shell_span(dmsg_circuit_t *circuit, char *cmdbuf)
 201 {
 202         dmsg_master_service_info_t *info;
 203         const char *hostname = strsep(&cmdbuf, " \t");
 204         pthread_t thread;
 205         int fd;
 206
 207         /*
 208          * Connect to the target
 209          */
 210         if (hostname == NULL) {
 211                 fd = -1;
 212         } else {
 213                 fd = dmsg_connect(hostname);
 214         }
 215
 216         /*
 217          * Start master service
 218          */
 219         if (fd < 0) {
 220                 dmsg_circuit_printf(circuit,
 221                                     "Connection to %s failed\n",
 222                                     hostname);
 223         } else {
 224                 dmsg_circuit_printf(circuit, "Connected to %s\n", hostname);
 225
 226                 info = malloc(sizeof(*info));
 227                 bzero(info, sizeof(*info));
 228                 info->fd = fd;
 229                 info->detachme = 1;
 230                 info->dbgmsg_callback = hammer2_shell_parse;
 231                 info->label = strdup("client");
 232
 233                 pthread_create(&thread, NULL, dmsg_master_service, info);
 234                 /*pthread_join(thread, &res);*/
 235         }
 236 }
 237
 238 static void shell_circ_reply(dmsg_msg_t *msg);
 239
 240 static void
 241 shell_circ(dmsg_circuit_t *circuit, char *cmdbuf)
 242 {
 243         uint64_t msgid = strtoull(cmdbuf, NULL, 16);
 244         dmsg_state_t *state;
 245         dmsg_msg_t *msg;
 246
 247         if (dmsg_debug_findspan(msgid, &state) == 0) {
 248                 dmsg_circuit_printf(circuit, "Found state %p\n", state);
 249
 250                 dmsg_circuit_printf(circuit, "Establishing CIRC\n");
 251                 msg = dmsg_msg_alloc(&state->iocom->circuit0, 0,
 252                                      DMSG_LNK_CIRC | DMSGF_CREATE,
 253                                      shell_circ_reply, circuit);
 254                 msg->any.lnk_circ.target = state->msgid;
 255                 dmsg_msg_write(msg);
 256         } else {
 257                 dmsg_circuit_printf(circuit,
 258                                     "Unable to locate %016jx\n",
 259                                     (intmax_t)msgid);
 260         }
 261 }
 262
 263 static void
 264 shell_circ_reply(dmsg_msg_t *msg)
 265 {
 266         dmsg_circuit_t *circ = msg->state->any.circ;
 267
 268         if (msg->any.head.cmd & DMSGF_DELETE) {
 269                 dmsg_circuit_printf(circ, "rxmsg DELETE error %d\n",
 270                                     msg->any.head.error);
 271                 msg->state->any.circ = NULL;
 272         } else {
 273                 dmsg_circuit_printf(circ, "rxmsg result error %d\n",
 274                                     msg->any.head.error);
 275         }
 276 }
 277
 278 /************************************************************************
 279  *                              DEBUGSPAN                               *
 280  ************************************************************************
 281  *
 282  * Connect to the target manually (not via the cluster list embedded in
 283  * a hammer2 filesystem) and initiate the SPAN protocol.
 284  */
 285 int
 286 cmd_debugspan(const char *hostname)
 287 {
 288         pthread_t thread;
 289         int fd;
 290         void *res;
 291
 292         /*
 293          * Connect to the target
 294          */
 295         fd = dmsg_connect(hostname);
 296         if (fd < 0)
 297                 return 1;
 298
 299         printf("debugspan: connected to %s, starting CONN/SPAN\n", hostname);
 300         pthread_create(&thread, NULL,
 301                        dmsg_master_service, (void *)(intptr_t)fd);
 302         pthread_join(thread, &res);
 303         return(0);
 304 }
 305
 306 /************************************************************************
 307  *                                  SHOW                                *
 308  ************************************************************************/
 309
 310 static void show_bref(int fd, int tab, int bi, hammer2_blockref_t *bref,
 311                         int dofreemap);
 312 static void tabprintf(int tab, const char *ctl, ...);
 313
 314 int
 315 cmd_show(const char *devpath, int dofreemap)
 316 {
 317         hammer2_blockref_t broot;
 318         hammer2_blockref_t best;
 319         hammer2_media_data_t media;
 320         int fd;
 321         int i;
 322         int best_i;
 323
 324         fd = open(devpath, O_RDONLY);
 325         if (fd < 0) {
 326                 perror("open");
 327                 return 1;
 328         }
 329
 330         /*
 331          * Show the tree using the best volume header.
 332          * -vvv will show the tree for all four volume headers.
 333          */
 334         best_i = -1;
 335         bzero(&best, sizeof(best));
 336         for (i = 0; i < 4; ++i) {
 337                 bzero(&broot, sizeof(broot));
 338                 broot.type = HAMMER2_BREF_TYPE_VOLUME;
 339                 broot.data_off = (i * HAMMER2_ZONE_BYTES64) |
 340                                  HAMMER2_PBUFRADIX;
 341                 lseek(fd, broot.data_off & ~HAMMER2_OFF_MASK_RADIX, 0);
 342                 if (read(fd, &media, HAMMER2_PBUFSIZE) ==
 343                     (ssize_t)HAMMER2_PBUFSIZE) {
 344                         broot.mirror_tid = media.voldata.mirror_tid;
 345                         if (best_i < 0 || best.mirror_tid < broot.mirror_tid) {
 346                                 best_i = i;
 347                                 best = broot;
 348                         }
 349                         if (VerboseOpt >= 3)
 350                                 show_bref(fd, 0, i, &broot, dofreemap);
 351                 }
 352         }
 353         if (VerboseOpt < 3)
 354                 show_bref(fd, 0, best_i, &best, dofreemap);
 355         close(fd);
 356
 357         return 0;
 358 }
 359
 360 static void
 361 show_bref(int fd, int tab, int bi, hammer2_blockref_t *bref, int dofreemap)
 362 {
 363         hammer2_media_data_t media;
 364         hammer2_blockref_t *bscan;
 365         int bcount;
 366         int i;
 367         int didnl;
 368         int namelen;
 369         int obrace = 1;
 370         size_t bytes;
 371         const char *type_str;
 372         char *str = NULL;
 373
 374         switch(bref->type) {
 375         case HAMMER2_BREF_TYPE_EMPTY:
 376                 type_str = "empty";
 377                 break;
 378         case HAMMER2_BREF_TYPE_INODE:
 379                 type_str = "inode";
 380                 break;
 381         case HAMMER2_BREF_TYPE_INDIRECT:
 382                 type_str = "indblk";
 383                 break;
 384         case HAMMER2_BREF_TYPE_DATA:
 385                 type_str = "data";
 386                 break;
 387         case HAMMER2_BREF_TYPE_VOLUME:
 388                 type_str = "volume";
 389                 break;
 390         case HAMMER2_BREF_TYPE_FREEMAP:
 391                 type_str = "freemap";
 392                 break;
 393         case HAMMER2_BREF_TYPE_FREEMAP_NODE:
 394                 type_str = "fmapnode";
 395                 break;
 396         case HAMMER2_BREF_TYPE_FREEMAP_LEAF:
 397                 type_str = "fbitmap";
 398                 break;
 399         default:
 400                 type_str = "unknown";
 401                 break;
 402         }
 403
 404         tabprintf(tab, "%s.%-3d %016jx %016jx/%-2d mir=%016jx mod=%016jx ",
 405                type_str, bi, (intmax_t)bref->data_off,
 406                (intmax_t)bref->key, (intmax_t)bref->keybits,
 407                (intmax_t)bref->mirror_tid, (intmax_t)bref->modify_tid);
 408         tab += SHOW_TAB;
 409
 410         bytes = (size_t)1 << (bref->data_off & HAMMER2_OFF_MASK_RADIX);
 411
 412         {
 413                 hammer2_off_t io_off;
 414                 hammer2_off_t io_base;
 415                 size_t io_bytes;
 416                 size_t boff;
 417
 418                 io_off = bref->data_off & ~HAMMER2_OFF_MASK_RADIX;
 419                 io_base = io_off & ~(hammer2_off_t)(HAMMER2_MINIOSIZE - 1);
 420                 io_bytes = bytes;
 421                 boff = io_off - io_base;
 422
 423                 io_bytes = HAMMER2_MINIOSIZE;
 424                 while (io_bytes + boff < bytes)
 425                         io_bytes <<= 1;
 426
 427                 if (io_bytes > sizeof(media)) {
 428                         printf("(bad block size %zd)\n", bytes);
 429                         return;
 430                 }
 431                 if (bref->type != HAMMER2_BREF_TYPE_DATA || VerboseOpt >= 1) {
 432                         lseek(fd, io_base, 0);
 433                         if (read(fd, &media, io_bytes) != (ssize_t)io_bytes) {
 434                                 printf("(media read failed)\n");
 435                                 return;
 436                         }
 437                         if (boff)
 438                                 bcopy((char *)&media + boff, &media, bytes);
 439                 }
 440         }
 441
 442         bscan = NULL;
 443         bcount = 0;
 444         didnl = 1;
 445         namelen = 0;
 446
 447         switch(bref->type) {
 448         case HAMMER2_BREF_TYPE_EMPTY:
 449                 obrace = 0;
 450                 break;
 451         case HAMMER2_BREF_TYPE_INODE:
 452                 printf("{\n");
 453                 if (media.ipdata.op_flags & HAMMER2_OPFLAG_DIRECTDATA) {
 454                         /* no blockrefs */
 455                 } else {
 456                         bscan = &media.ipdata.u.blockset.blockref[0];
 457                         bcount = HAMMER2_SET_COUNT;
 458                 }
 459                 namelen = media.ipdata.name_len;
 460                 if (namelen > HAMMER2_INODE_MAXNAME)
 461                         namelen = 0;
 462                 tabprintf(tab, "filename \"%*.*s\"\n",
 463                           namelen, namelen, media.ipdata.filename);
 464                 tabprintf(tab, "version  %d\n", media.ipdata.version);
 465                 tabprintf(tab, "uflags   0x%08x\n",
 466                           media.ipdata.uflags);
 467                 if (media.ipdata.rmajor || media.ipdata.rminor) {
 468                         tabprintf(tab, "rmajor   %d\n",
 469                                   media.ipdata.rmajor);
 470                         tabprintf(tab, "rminor   %d\n",
 471                                   media.ipdata.rminor);
 472                 }
 473                 tabprintf(tab, "ctime    %s\n",
 474                           hammer2_time64_to_str(media.ipdata.ctime, &str));
 475                 tabprintf(tab, "mtime    %s\n",
 476                           hammer2_time64_to_str(media.ipdata.mtime, &str));
 477                 tabprintf(tab, "atime    %s\n",
 478                           hammer2_time64_to_str(media.ipdata.atime, &str));
 479                 tabprintf(tab, "btime    %s\n",
 480                           hammer2_time64_to_str(media.ipdata.btime, &str));
 481                 tabprintf(tab, "uid      %s\n",
 482                           hammer2_uuid_to_str(&media.ipdata.uid, &str));
 483                 tabprintf(tab, "gid      %s\n",
 484                           hammer2_uuid_to_str(&media.ipdata.gid, &str));
 485                 if (media.ipdata.type == HAMMER2_OBJTYPE_HARDLINK)
 486                         tabprintf(tab, "type     %s (%s)\n",
 487                               hammer2_iptype_to_str(media.ipdata.type),
 488                               hammer2_iptype_to_str(media.ipdata.target_type));
 489                 else
 490                         tabprintf(tab, "type     %s\n",
 491                                   hammer2_iptype_to_str(media.ipdata.type));
 492                 tabprintf(tab, "opflgs   0x%02x\n",
 493                           media.ipdata.op_flags);
 494                 tabprintf(tab, "capflgs  0x%04x\n",
 495                           media.ipdata.cap_flags);
 496                 tabprintf(tab, "mode     %-7o\n",
 497                           media.ipdata.mode);
 498                 tabprintf(tab, "inum     0x%016jx\n",
 499                           media.ipdata.inum);
 500                 tabprintf(tab, "size     %ju\n",
 501                           (uintmax_t)media.ipdata.size);
 502                 tabprintf(tab, "nlinks   %ju\n",
 503                           (uintmax_t)media.ipdata.nlinks);
 504                 tabprintf(tab, "iparent  0x%016jx\n",
 505                           (uintmax_t)media.ipdata.iparent);
 506                 tabprintf(tab, "name_key 0x%016jx\n",
 507                           (uintmax_t)media.ipdata.name_key);
 508                 tabprintf(tab, "name_len %u\n",
 509                           media.ipdata.name_len);
 510                 tabprintf(tab, "ncopies  %u\n",
 511                           media.ipdata.ncopies);
 512                 tabprintf(tab, "compalg  %u\n",
 513                           media.ipdata.comp_algo);
 514                 if (media.ipdata.op_flags & HAMMER2_OPFLAG_PFSROOT) {
 515                         tabprintf(tab, "pfs_type %u (%s)\n",
 516                                   media.ipdata.pfs_type,
 517                                   hammer2_pfstype_to_str(media.ipdata.pfs_type));
 518                         tabprintf(tab, "pfs_inum 0x%016jx\n",
 519                                   (uintmax_t)media.ipdata.pfs_inum);
 520                         tabprintf(tab, "pfs_clid %s\n",
 521                                   hammer2_uuid_to_str(&media.ipdata.pfs_clid,
 522                                                       &str));
 523                         tabprintf(tab, "pfs_fsid %s\n",
 524                                   hammer2_uuid_to_str(&media.ipdata.pfs_fsid,
 525                                                       &str));
 526                 }
 527                 tabprintf(tab, "data_quota  %ju\n",
 528                           (uintmax_t)media.ipdata.data_quota);
 529                 tabprintf(tab, "data_count  %ju\n",
 530                           (uintmax_t)media.ipdata.data_count);
 531                 tabprintf(tab, "inode_quota %ju\n",
 532                           (uintmax_t)media.ipdata.inode_quota);
 533                 tabprintf(tab, "inode_count %ju\n",
 534                           (uintmax_t)media.ipdata.inode_count);
 535                 tabprintf(tab, "attr_tid    0x%016jx\n",
 536                           (uintmax_t)media.ipdata.attr_tid);
 537                 if (media.ipdata.type == HAMMER2_OBJTYPE_DIRECTORY) {
 538                         tabprintf(tab, "dirent_tid  %016jx\n",
 539                                   (uintmax_t)media.ipdata.dirent_tid);
 540                 }
 541                 break;
 542         case HAMMER2_BREF_TYPE_INDIRECT:
 543                 bscan = &media.npdata[0];
 544                 bcount = bytes / sizeof(hammer2_blockref_t);
 545                 didnl = 1;
 546                 printf("{\n");
 547                 break;
 548         case HAMMER2_BREF_TYPE_DATA:
 549                 if (VerboseOpt >= 2) {
 550                         printf("{\n");
 551                 } else {
 552                         printf("\n");
 553                         obrace = 0;
 554                 }
 555                 break;
 556         case HAMMER2_BREF_TYPE_VOLUME:
 557                 printf("alloc_tid=%016jx freemap_tid=%016jx ",
 558                         media.voldata.alloc_tid,
 559                         media.voldata.freemap_tid);
 560                 if (dofreemap) {
 561                         bscan = &media.voldata.freemap_blockset.blockref[0];
 562                         bcount = HAMMER2_SET_COUNT;
 563                 } else {
 564                         bscan = &media.voldata.sroot_blockset.blockref[0];
 565                         bcount = HAMMER2_SET_COUNT;
 566                 }
 567                 printf("{\n");
 568                 break;
 569         case HAMMER2_BREF_TYPE_FREEMAP_LEAF:
 570                 printf("{\n");
 571                 for (i = 0; i < HAMMER2_FREEMAP_COUNT; ++i) {
 572                         if (media.bmdata[i].class == 0 &&
 573                             media.bmdata[i].avail == 0) {
 574                                 continue;
 575                         }
 576                         tabprintf(tab + 4, "%04d.%04x (avail=%5d) "
 577                                   "%08x %08x %08x %08x %08x %08x %08x %08x\n",
 578                                   i, media.bmdata[i].class,
 579                                   media.bmdata[i].avail,
 580                                   media.bmdata[i].bitmap[0],
 581                                   media.bmdata[i].bitmap[1],
 582                                   media.bmdata[i].bitmap[2],
 583                                   media.bmdata[i].bitmap[3],
 584                                   media.bmdata[i].bitmap[4],
 585                                   media.bmdata[i].bitmap[5],
 586                                   media.bmdata[i].bitmap[6],
 587                                   media.bmdata[i].bitmap[7]);
 588                 }
 589                 tabprintf(tab, "}\n");
 590                 break;
 591         case HAMMER2_BREF_TYPE_FREEMAP_NODE:
 592                 printf("{\n");
 593                 bscan = &media.npdata[0];
 594                 bcount = bytes / sizeof(hammer2_blockref_t);
 595                 break;
 596         default:
 597                 printf("\n");
 598                 obrace = 0;
 599                 break;
 600         }
 601         if (str)
 602                 free(str);
 603         for (i = 0; i < bcount; ++i) {
 604                 if (bscan[i].type != HAMMER2_BREF_TYPE_EMPTY) {
 605                         if (didnl == 0) {
 606                                 printf("\n");
 607                                 didnl = 1;
 608                         }
 609                         show_bref(fd, tab, i, &bscan[i], dofreemap);
 610                 }
 611         }
 612         tab -= SHOW_TAB;
 613         if (obrace) {
 614                 if (bref->type == HAMMER2_BREF_TYPE_INODE)
 615                         tabprintf(tab, "} (%s.%d, \"%*.*s\")\n",
 616                                   type_str, bi,
 617                                   namelen, namelen, media.ipdata.filename);
 618                 else
 619                         tabprintf(tab, "} (%s.%d)\n", type_str,bi);
 620         }
 621 }
 622
 623 int
 624 cmd_hash(int ac, const char **av)
 625 {
 626         int i;
 627
 628         for (i = 0; i < ac; ++i) {
 629                 printf("%016jx %s\n", dirhash(av[i], strlen(av[i])), av[i]);
 630         }
 631         return(0);
 632 }
 633
 634
 635 static
 636 void
 637 tabprintf(int tab, const char *ctl, ...)
 638 {
 639         va_list va;
 640
 641         printf("%*.*s", tab, tab, "");
 642         va_start(va, ctl);
 643         vprintf(ctl, va);
 644         va_end(va);
 645 }