cddl/contrib/opensolaris/cmd/zstreamdump/zstreamdump.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*
  28  * Copyright (c) 2013, 2014 by Delphix. All rights reserved.
  29  */
  30
  31 #include <ctype.h>
  32 #include <libnvpair.h>
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35 #include <strings.h>
  36 #include <unistd.h>
  37 #include <stddef.h>
  38
  39 #include <sys/dmu.h>
  40 #include <sys/zfs_ioctl.h>
  41 #include <zfs_fletcher.h>
  42
  43 /*
  44  * If dump mode is enabled, the number of bytes to print per line
  45  */
  46 #define BYTES_PER_LINE  16
  47 /*
  48  * If dump mode is enabled, the number of bytes to group together, separated
  49  * by newlines or spaces
  50  */
  51 #define DUMP_GROUPING   4
  52
  53 uint64_t total_write_size = 0;
  54 uint64_t total_stream_len = 0;
  55 FILE *send_stream = 0;
  56 boolean_t do_byteswap = B_FALSE;
  57 boolean_t do_cksum = B_TRUE;
  58
  59 static void
  60 usage(void)
  61 {
  62         (void) fprintf(stderr, "usage: zstreamdump [-v] [-C] [-d] < file\n");
  63         (void) fprintf(stderr, "\t -v -- verbose\n");
  64         (void) fprintf(stderr, "\t -C -- suppress checksum verification\n");
  65         (void) fprintf(stderr, "\t -d -- dump contents of blocks modified, "
  66             "implies verbose\n");
  67         exit(1);
  68 }
  69
  70 static void *
  71 safe_malloc(size_t size)
  72 {
  73         void *rv = malloc(size);
  74         if (rv == NULL) {
  75                 (void) fprintf(stderr, "ERROR; failed to allocate %zu bytes\n",
  76                     size);
  77                 abort();
  78         }
  79         return (rv);
  80 }
  81
  82 /*
  83  * ssread - send stream read.
  84  *
  85  * Read while computing incremental checksum
  86  */
  87 static size_t
  88 ssread(void *buf, size_t len, zio_cksum_t *cksum)
  89 {
  90         size_t outlen;
  91
  92         if ((outlen = fread(buf, len, 1, send_stream)) == 0)
  93                 return (0);
  94
  95         if (do_cksum) {
  96                 if (do_byteswap)
  97                         fletcher_4_incremental_byteswap(buf, len, cksum);
  98                 else
  99                         fletcher_4_incremental_native(buf, len, cksum);
 100         }
 101         total_stream_len += len;
 102         return (outlen);
 103 }
 104
 105 static size_t
 106 read_hdr(dmu_replay_record_t *drr, zio_cksum_t *cksum)
 107 {
 108         ASSERT3U(offsetof(dmu_replay_record_t, drr_u.drr_checksum.drr_checksum),
 109             ==, sizeof (dmu_replay_record_t) - sizeof (zio_cksum_t));
 110         size_t r = ssread(drr, sizeof (*drr) - sizeof (zio_cksum_t), cksum);
 111         if (r == 0)
 112                 return (0);
 113         zio_cksum_t saved_cksum = *cksum;
 114         r = ssread(&drr->drr_u.drr_checksum.drr_checksum,
 115             sizeof (zio_cksum_t), cksum);
 116         if (r == 0)
 117                 return (0);
 118         if (!ZIO_CHECKSUM_IS_ZERO(&drr->drr_u.drr_checksum.drr_checksum) &&
 119             !ZIO_CHECKSUM_EQUAL(saved_cksum,
 120             drr->drr_u.drr_checksum.drr_checksum)) {
 121                 fprintf(stderr, "invalid checksum\n");
 122                 (void) printf("Incorrect checksum in record header.\n");
 123                 (void) printf("Expected checksum = %llx/%llx/%llx/%llx\n",
 124                     saved_cksum.zc_word[0],
 125                     saved_cksum.zc_word[1],
 126                     saved_cksum.zc_word[2],
 127                     saved_cksum.zc_word[3]);
 128                 return (0);
 129         }
 130         return (sizeof (*drr));
 131 }
 132
 133 /*
 134  * Print part of a block in ASCII characters
 135  */
 136 static void
 137 print_ascii_block(char *subbuf, int length)
 138 {
 139         int i;
 140
 141         for (i = 0; i < length; i++) {
 142                 char char_print = isprint(subbuf[i]) ? subbuf[i] : '.';
 143                 if (i != 0 && i % DUMP_GROUPING == 0) {
 144                         (void) printf(" ");
 145                 }
 146                 (void) printf("%c", char_print);
 147         }
 148         (void) printf("\n");
 149 }
 150
 151 /*
 152  * print_block - Dump the contents of a modified block to STDOUT
 153  *
 154  * Assume that buf has capacity evenly divisible by BYTES_PER_LINE
 155  */
 156 static void
 157 print_block(char *buf, int length)
 158 {
 159         int i;
 160         /*
 161          * Start printing ASCII characters at a constant offset, after
 162          * the hex prints. Leave 3 characters per byte on a line (2 digit
 163          * hex number plus 1 space) plus spaces between characters and
 164          * groupings.
 165          */
 166         int ascii_start = BYTES_PER_LINE * 3 +
 167             BYTES_PER_LINE / DUMP_GROUPING + 2;
 168
 169         for (i = 0; i < length; i += BYTES_PER_LINE) {
 170                 int j;
 171                 int this_line_length = MIN(BYTES_PER_LINE, length - i);
 172                 int print_offset = 0;
 173
 174                 for (j = 0; j < this_line_length; j++) {
 175                         int buf_offset = i + j;
 176
 177                         /*
 178                          * Separate every DUMP_GROUPING bytes by a space.
 179                          */
 180                         if (buf_offset % DUMP_GROUPING == 0) {
 181                                 print_offset += printf(" ");
 182                         }
 183
 184                         /*
 185                          * Print the two-digit hex value for this byte.
 186                          */
 187                         unsigned char hex_print = buf[buf_offset];
 188                         print_offset += printf("%02x ", hex_print);
 189                 }
 190
 191                 (void) printf("%*s", ascii_start - print_offset, " ");
 192
 193                 print_ascii_block(buf + i, this_line_length);
 194         }
 195 }
 196
 197 int
 198 main(int argc, char *argv[])
 199 {
 200         char *buf = safe_malloc(SPA_MAXBLOCKSIZE);
 201         uint64_t drr_record_count[DRR_NUMTYPES] = { 0 };
 202         uint64_t total_records = 0;
 203         dmu_replay_record_t thedrr;
 204         dmu_replay_record_t *drr = &thedrr;
 205         struct drr_begin *drrb = &thedrr.drr_u.drr_begin;
 206         struct drr_end *drre = &thedrr.drr_u.drr_end;
 207         struct drr_object *drro = &thedrr.drr_u.drr_object;
 208         struct drr_freeobjects *drrfo = &thedrr.drr_u.drr_freeobjects;
 209         struct drr_write *drrw = &thedrr.drr_u.drr_write;
 210         struct drr_write_byref *drrwbr = &thedrr.drr_u.drr_write_byref;
 211         struct drr_free *drrf = &thedrr.drr_u.drr_free;
 212         struct drr_spill *drrs = &thedrr.drr_u.drr_spill;
 213         struct drr_write_embedded *drrwe = &thedrr.drr_u.drr_write_embedded;
 214         struct drr_checksum *drrc = &thedrr.drr_u.drr_checksum;
 215         char c;
 216         boolean_t verbose = B_FALSE;
 217         boolean_t very_verbose = B_FALSE;
 218         boolean_t first = B_TRUE;
 219         /*
 220          * dump flag controls whether the contents of any modified data blocks
 221          * are printed to the console during processing of the stream. Warning:
 222          * for large streams, this can obviously lead to massive prints.
 223          */
 224         boolean_t dump = B_FALSE;
 225         int err;
 226         zio_cksum_t zc = { 0 };
 227         zio_cksum_t pcksum = { 0 };
 228
 229         while ((c = getopt(argc, argv, ":vCd")) != -1) {
 230                 switch (c) {
 231                 case 'C':
 232                         do_cksum = B_FALSE;
 233                         break;
 234                 case 'v':
 235                         if (verbose)
 236                                 very_verbose = B_TRUE;
 237                         verbose = B_TRUE;
 238                         break;
 239                 case 'd':
 240                         dump = B_TRUE;
 241                         verbose = B_TRUE;
 242                         very_verbose = B_TRUE;
 243                         break;
 244                 case ':':
 245                         (void) fprintf(stderr,
 246                             "missing argument for '%c' option\n", optopt);
 247                         usage();
 248                         break;
 249                 case '?':
 250                         (void) fprintf(stderr, "invalid option '%c'\n",
 251                             optopt);
 252                         usage();
 253                 }
 254         }
 255
 256         if (isatty(STDIN_FILENO)) {
 257                 (void) fprintf(stderr,
 258                     "Error: Backup stream can not be read "
 259                     "from a terminal.\n"
 260                     "You must redirect standard input.\n");
 261                 exit(1);
 262         }
 263
 264         send_stream = stdin;
 265         pcksum = zc;
 266         while (read_hdr(drr, &zc)) {
 267
 268                 /*
 269                  * If this is the first DMU record being processed, check for
 270                  * the magic bytes and figure out the endian-ness based on them.
 271                  */
 272                 if (first) {
 273                         if (drrb->drr_magic == BSWAP_64(DMU_BACKUP_MAGIC)) {
 274                                 do_byteswap = B_TRUE;
 275                                 if (do_cksum) {
 276                                         ZIO_SET_CHECKSUM(&zc, 0, 0, 0, 0);
 277                                         /*
 278                                          * recalculate header checksum now
 279                                          * that we know it needs to be
 280                                          * byteswapped.
 281                                          */
 282                                         fletcher_4_incremental_byteswap(drr,
 283                                             sizeof (dmu_replay_record_t), &zc);
 284                                 }
 285                         } else if (drrb->drr_magic != DMU_BACKUP_MAGIC) {
 286                                 (void) fprintf(stderr, "Invalid stream "
 287                                     "(bad magic number)\n");
 288                                 exit(1);
 289                         }
 290                         first = B_FALSE;
 291                 }
 292                 if (do_byteswap) {
 293                         drr->drr_type = BSWAP_32(drr->drr_type);
 294                         drr->drr_payloadlen =
 295                             BSWAP_32(drr->drr_payloadlen);
 296                 }
 297
 298                 /*
 299                  * At this point, the leading fields of the replay record
 300                  * (drr_type and drr_payloadlen) have been byte-swapped if
 301                  * necessary, but the rest of the data structure (the
 302                  * union of type-specific structures) is still in its
 303                  * original state.
 304                  */
 305                 if (drr->drr_type >= DRR_NUMTYPES) {
 306                         (void) printf("INVALID record found: type 0x%x\n",
 307                             drr->drr_type);
 308                         (void) printf("Aborting.\n");
 309                         exit(1);
 310                 }
 311
 312                 drr_record_count[drr->drr_type]++;
 313                 total_records++;
 314
 315                 switch (drr->drr_type) {
 316                 case DRR_BEGIN:
 317                         if (do_byteswap) {
 318                                 drrb->drr_magic = BSWAP_64(drrb->drr_magic);
 319                                 drrb->drr_versioninfo =
 320                                     BSWAP_64(drrb->drr_versioninfo);
 321                                 drrb->drr_creation_time =
 322                                     BSWAP_64(drrb->drr_creation_time);
 323                                 drrb->drr_type = BSWAP_32(drrb->drr_type);
 324                                 drrb->drr_flags = BSWAP_32(drrb->drr_flags);
 325                                 drrb->drr_toguid = BSWAP_64(drrb->drr_toguid);
 326                                 drrb->drr_fromguid =
 327                                     BSWAP_64(drrb->drr_fromguid);
 328                         }
 329
 330                         (void) printf("BEGIN record\n");
 331                         (void) printf("\thdrtype = %lld\n",
 332                             DMU_GET_STREAM_HDRTYPE(drrb->drr_versioninfo));
 333                         (void) printf("\tfeatures = %llx\n",
 334                             DMU_GET_FEATUREFLAGS(drrb->drr_versioninfo));
 335                         (void) printf("\tmagic = %llx\n",
 336                             (u_longlong_t)drrb->drr_magic);
 337                         (void) printf("\tcreation_time = %llx\n",
 338                             (u_longlong_t)drrb->drr_creation_time);
 339                         (void) printf("\ttype = %u\n", drrb->drr_type);
 340                         (void) printf("\tflags = 0x%x\n", drrb->drr_flags);
 341                         (void) printf("\ttoguid = %llx\n",
 342                             (u_longlong_t)drrb->drr_toguid);
 343                         (void) printf("\tfromguid = %llx\n",
 344                             (u_longlong_t)drrb->drr_fromguid);
 345                         (void) printf("\ttoname = %s\n", drrb->drr_toname);
 346                         if (verbose)
 347                                 (void) printf("\n");
 348
 349                         if (drr->drr_payloadlen != 0) {
 350                                 nvlist_t *nv;
 351                                 int sz = drr->drr_payloadlen;
 352
 353                                 if (sz > SPA_MAXBLOCKSIZE) {
 354                                         free(buf);
 355                                         buf = safe_malloc(sz);
 356                                 }
 357                                 (void) ssread(buf, sz, &zc);
 358                                 if (ferror(send_stream))
 359                                         perror("fread");
 360                                 err = nvlist_unpack(buf, sz, &nv, 0);
 361                                 if (err)
 362                                         perror(strerror(err));
 363                                 nvlist_print(stdout, nv);
 364                                 nvlist_free(nv);
 365                         }
 366                         break;
 367
 368                 case DRR_END:
 369                         if (do_byteswap) {
 370                                 drre->drr_checksum.zc_word[0] =
 371                                     BSWAP_64(drre->drr_checksum.zc_word[0]);
 372                                 drre->drr_checksum.zc_word[1] =
 373                                     BSWAP_64(drre->drr_checksum.zc_word[1]);
 374                                 drre->drr_checksum.zc_word[2] =
 375                                     BSWAP_64(drre->drr_checksum.zc_word[2]);
 376                                 drre->drr_checksum.zc_word[3] =
 377                                     BSWAP_64(drre->drr_checksum.zc_word[3]);
 378                         }
 379                         /*
 380                          * We compare against the *previous* checksum
 381                          * value, because the stored checksum is of
 382                          * everything before the DRR_END record.
 383                          */
 384                         if (do_cksum && !ZIO_CHECKSUM_EQUAL(drre->drr_checksum,
 385                             pcksum)) {
 386                                 (void) printf("Expected checksum differs from "
 387                                     "checksum in stream.\n");
 388                                 (void) printf("Expected checksum = "
 389                                     "%llx/%llx/%llx/%llx\n",
 390                                     pcksum.zc_word[0],
 391                                     pcksum.zc_word[1],
 392                                     pcksum.zc_word[2],
 393                                     pcksum.zc_word[3]);
 394                         }
 395                         (void) printf("END checksum = %llx/%llx/%llx/%llx\n",
 396                             drre->drr_checksum.zc_word[0],
 397                             drre->drr_checksum.zc_word[1],
 398                             drre->drr_checksum.zc_word[2],
 399                             drre->drr_checksum.zc_word[3]);
 400
 401                         ZIO_SET_CHECKSUM(&zc, 0, 0, 0, 0);
 402                         break;
 403
 404                 case DRR_OBJECT:
 405                         if (do_byteswap) {
 406                                 drro->drr_object = BSWAP_64(drro->drr_object);
 407                                 drro->drr_type = BSWAP_32(drro->drr_type);
 408                                 drro->drr_bonustype =
 409                                     BSWAP_32(drro->drr_bonustype);
 410                                 drro->drr_blksz = BSWAP_32(drro->drr_blksz);
 411                                 drro->drr_bonuslen =
 412                                     BSWAP_32(drro->drr_bonuslen);
 413                                 drro->drr_toguid = BSWAP_64(drro->drr_toguid);
 414                         }
 415                         if (verbose) {
 416                                 (void) printf("OBJECT object = %llu type = %u "
 417                                     "bonustype = %u blksz = %u bonuslen = %u\n",
 418                                     (u_longlong_t)drro->drr_object,
 419                                     drro->drr_type,
 420                                     drro->drr_bonustype,
 421                                     drro->drr_blksz,
 422                                     drro->drr_bonuslen);
 423                         }
 424                         if (drro->drr_bonuslen > 0) {
 425                                 (void) ssread(buf,
 426                                     P2ROUNDUP(drro->drr_bonuslen, 8), &zc);
 427                                 if (dump) {
 428                                         print_block(buf,
 429                                             P2ROUNDUP(drro->drr_bonuslen, 8));
 430                                 }
 431                         }
 432                         break;
 433
 434                 case DRR_FREEOBJECTS:
 435                         if (do_byteswap) {
 436                                 drrfo->drr_firstobj =
 437                                     BSWAP_64(drrfo->drr_firstobj);
 438                                 drrfo->drr_numobjs =
 439                                     BSWAP_64(drrfo->drr_numobjs);
 440                                 drrfo->drr_toguid = BSWAP_64(drrfo->drr_toguid);
 441                         }
 442                         if (verbose) {
 443                                 (void) printf("FREEOBJECTS firstobj = %llu "
 444                                     "numobjs = %llu\n",
 445                                     (u_longlong_t)drrfo->drr_firstobj,
 446                                     (u_longlong_t)drrfo->drr_numobjs);
 447                         }
 448                         break;
 449
 450                 case DRR_WRITE:
 451                         if (do_byteswap) {
 452                                 drrw->drr_object = BSWAP_64(drrw->drr_object);
 453                                 drrw->drr_type = BSWAP_32(drrw->drr_type);
 454                                 drrw->drr_offset = BSWAP_64(drrw->drr_offset);
 455                                 drrw->drr_length = BSWAP_64(drrw->drr_length);
 456                                 drrw->drr_toguid = BSWAP_64(drrw->drr_toguid);
 457                                 drrw->drr_key.ddk_prop =
 458                                     BSWAP_64(drrw->drr_key.ddk_prop);
 459                         }
 460                         /*
 461                          * If this is verbose and/or dump output,
 462                          * print info on the modified block
 463                          */
 464                         if (verbose) {
 465                                 (void) printf("WRITE object = %llu type = %u "
 466                                     "checksum type = %u\n"
 467                                     "    offset = %llu length = %llu "
 468                                     "props = %llx\n",
 469                                     (u_longlong_t)drrw->drr_object,
 470                                     drrw->drr_type,
 471                                     drrw->drr_checksumtype,
 472                                     (u_longlong_t)drrw->drr_offset,
 473                                     (u_longlong_t)drrw->drr_length,
 474                                     (u_longlong_t)drrw->drr_key.ddk_prop);
 475                         }
 476                         /*
 477                          * Read the contents of the block in from STDIN to buf
 478                          */
 479                         (void) ssread(buf, drrw->drr_length, &zc);
 480                         /*
 481                          * If in dump mode
 482                          */
 483                         if (dump) {
 484                                 print_block(buf, drrw->drr_length);
 485                         }
 486                         total_write_size += drrw->drr_length;
 487                         break;
 488
 489                 case DRR_WRITE_BYREF:
 490                         if (do_byteswap) {
 491                                 drrwbr->drr_object =
 492                                     BSWAP_64(drrwbr->drr_object);
 493                                 drrwbr->drr_offset =
 494                                     BSWAP_64(drrwbr->drr_offset);
 495                                 drrwbr->drr_length =
 496                                     BSWAP_64(drrwbr->drr_length);
 497                                 drrwbr->drr_toguid =
 498                                     BSWAP_64(drrwbr->drr_toguid);
 499                                 drrwbr->drr_refguid =
 500                                     BSWAP_64(drrwbr->drr_refguid);
 501                                 drrwbr->drr_refobject =
 502                                     BSWAP_64(drrwbr->drr_refobject);
 503                                 drrwbr->drr_refoffset =
 504                                     BSWAP_64(drrwbr->drr_refoffset);
 505                                 drrwbr->drr_key.ddk_prop =
 506                                     BSWAP_64(drrwbr->drr_key.ddk_prop);
 507                         }
 508                         if (verbose) {
 509                                 (void) printf("WRITE_BYREF object = %llu "
 510                                     "checksum type = %u props = %llx\n"
 511                                     "    offset = %llu length = %llu\n"
 512                                     "toguid = %llx refguid = %llx\n"
 513                                     "    refobject = %llu refoffset = %llu\n",
 514                                     (u_longlong_t)drrwbr->drr_object,
 515                                     drrwbr->drr_checksumtype,
 516                                     (u_longlong_t)drrwbr->drr_key.ddk_prop,
 517                                     (u_longlong_t)drrwbr->drr_offset,
 518                                     (u_longlong_t)drrwbr->drr_length,
 519                                     (u_longlong_t)drrwbr->drr_toguid,
 520                                     (u_longlong_t)drrwbr->drr_refguid,
 521                                     (u_longlong_t)drrwbr->drr_refobject,
 522                                     (u_longlong_t)drrwbr->drr_refoffset);
 523                         }
 524                         break;
 525
 526                 case DRR_FREE:
 527                         if (do_byteswap) {
 528                                 drrf->drr_object = BSWAP_64(drrf->drr_object);
 529                                 drrf->drr_offset = BSWAP_64(drrf->drr_offset);
 530                                 drrf->drr_length = BSWAP_64(drrf->drr_length);
 531                         }
 532                         if (verbose) {
 533                                 (void) printf("FREE object = %llu "
 534                                     "offset = %llu length = %lld\n",
 535                                     (u_longlong_t)drrf->drr_object,
 536                                     (u_longlong_t)drrf->drr_offset,
 537                                     (longlong_t)drrf->drr_length);
 538                         }
 539                         break;
 540                 case DRR_SPILL:
 541                         if (do_byteswap) {
 542                                 drrs->drr_object = BSWAP_64(drrs->drr_object);
 543                                 drrs->drr_length = BSWAP_64(drrs->drr_length);
 544                         }
 545                         if (verbose) {
 546                                 (void) printf("SPILL block for object = %llu "
 547                                     "length = %llu\n", drrs->drr_object,
 548                                     drrs->drr_length);
 549                         }
 550                         (void) ssread(buf, drrs->drr_length, &zc);
 551                         if (dump) {
 552                                 print_block(buf, drrs->drr_length);
 553                         }
 554                         break;
 555                 case DRR_WRITE_EMBEDDED:
 556                         if (do_byteswap) {
 557                                 drrwe->drr_object =
 558                                     BSWAP_64(drrwe->drr_object);
 559                                 drrwe->drr_offset =
 560                                     BSWAP_64(drrwe->drr_offset);
 561                                 drrwe->drr_length =
 562                                     BSWAP_64(drrwe->drr_length);
 563                                 drrwe->drr_toguid =
 564                                     BSWAP_64(drrwe->drr_toguid);
 565                                 drrwe->drr_lsize =
 566                                     BSWAP_32(drrwe->drr_lsize);
 567                                 drrwe->drr_psize =
 568                                     BSWAP_32(drrwe->drr_psize);
 569                         }
 570                         if (verbose) {
 571                                 (void) printf("WRITE_EMBEDDED object = %llu "
 572                                     "offset = %llu length = %llu\n"
 573                                     "    toguid = %llx comp = %u etype = %u "
 574                                     "lsize = %u psize = %u\n",
 575                                     (u_longlong_t)drrwe->drr_object,
 576                                     (u_longlong_t)drrwe->drr_offset,
 577                                     (u_longlong_t)drrwe->drr_length,
 578                                     (u_longlong_t)drrwe->drr_toguid,
 579                                     drrwe->drr_compression,
 580                                     drrwe->drr_etype,
 581                                     drrwe->drr_lsize,
 582                                     drrwe->drr_psize);
 583                         }
 584                         (void) ssread(buf,
 585                             P2ROUNDUP(drrwe->drr_psize, 8), &zc);
 586                         break;
 587                 }
 588                 if (drr->drr_type != DRR_BEGIN && very_verbose) {
 589                         (void) printf("    checksum = %llx/%llx/%llx/%llx\n",
 590                             (longlong_t)drrc->drr_checksum.zc_word[0],
 591                             (longlong_t)drrc->drr_checksum.zc_word[1],
 592                             (longlong_t)drrc->drr_checksum.zc_word[2],
 593                             (longlong_t)drrc->drr_checksum.zc_word[3]);
 594                 }
 595                 pcksum = zc;
 596         }
 597         free(buf);
 598
 599         /* Print final summary */
 600
 601         (void) printf("SUMMARY:\n");
 602         (void) printf("\tTotal DRR_BEGIN records = %lld\n",
 603             (u_longlong_t)drr_record_count[DRR_BEGIN]);
 604         (void) printf("\tTotal DRR_END records = %lld\n",
 605             (u_longlong_t)drr_record_count[DRR_END]);
 606         (void) printf("\tTotal DRR_OBJECT records = %lld\n",
 607             (u_longlong_t)drr_record_count[DRR_OBJECT]);
 608         (void) printf("\tTotal DRR_FREEOBJECTS records = %lld\n",
 609             (u_longlong_t)drr_record_count[DRR_FREEOBJECTS]);
 610         (void) printf("\tTotal DRR_WRITE records = %lld\n",
 611             (u_longlong_t)drr_record_count[DRR_WRITE]);
 612         (void) printf("\tTotal DRR_WRITE_BYREF records = %lld\n",
 613             (u_longlong_t)drr_record_count[DRR_WRITE_BYREF]);
 614         (void) printf("\tTotal DRR_WRITE_EMBEDDED records = %lld\n",
 615             (u_longlong_t)drr_record_count[DRR_WRITE_EMBEDDED]);
 616         (void) printf("\tTotal DRR_FREE records = %lld\n",
 617             (u_longlong_t)drr_record_count[DRR_FREE]);
 618         (void) printf("\tTotal DRR_SPILL records = %lld\n",
 619             (u_longlong_t)drr_record_count[DRR_SPILL]);
 620         (void) printf("\tTotal records = %lld\n",
 621             (u_longlong_t)total_records);
 622         (void) printf("\tTotal write size = %lld (0x%llx)\n",
 623             (u_longlong_t)total_write_size, (u_longlong_t)total_write_size);
 624         (void) printf("\tTotal stream length = %lld (0x%llx)\n",
 625             (u_longlong_t)total_stream_len, (u_longlong_t)total_stream_len);
 626         return (0);
 627 }