lustre/utils/llog_reader.c

   1 /*
   2  * GPL HEADER START
   3  *
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 only,
   8  * as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License version 2 for more details (a copy is included
  14  * in the LICENSE file that accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * version 2 along with this program; If not, see
  18  * http://www.gnu.org/licenses/gpl-2.0.html
  19  *
  20  * GPL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  24  * Use is subject to license terms.
  25  *
  26  * Copyright (c) 2011, 2017, Intel Corporation.
  27  */
  28 /*
  29  * This file is part of Lustre, http://www.lustre.org/
  30  * Lustre is a trademark of Sun Microsystems, Inc.
  31  */
  32 /** \defgroup llog_reader Lustre Log Reader
  33  *
  34  * Interpret llogs used for storing configuration and changelog data
  35  *
  36  * @{
  37  */
  38
  39 #include <errno.h>
  40 #include <limits.h>
  41 #include <stdbool.h>
  42 #include <stdio.h>
  43 #include <stdlib.h>
  44 #include <string.h>
  45 #include <sys/types.h>
  46 #include <sys/stat.h>
  47 #ifdef HAVE_ENDIAN_H
  48 # include <endian.h>
  49 #endif
  50 #include <unistd.h>
  51 #include <fcntl.h>
  52 #include <sys/vfs.h>
  53 #include <linux/magic.h>
  54 #include <errno.h>
  55 #include <time.h>
  56 #include <linux/lnet/nidstr.h>
  57 #include <linux/lustre/lustre_cfg.h>
  58 #include <linux/lustre/lustre_fid.h>
  59 #include <linux/lustre/lustre_ostid.h>
  60 #include <linux/lustre/lustre_log_user.h>
  61 #include <lustre/lustreapi.h>
  62
  63 static inline int ext2_test_bit(int nr, const void *addr)
  64 {
  65 #if __BYTE_ORDER == __BIG_ENDIAN
  66         const unsigned char *tmp = addr;
  67         return (tmp[nr >> 3] >> (nr & 7)) & 1;
  68 #else
  69         const unsigned long *tmp = addr;
  70         return ((1UL << (nr & (__WORDSIZE - 1))) &
  71                 ((tmp)[nr / __WORDSIZE])) != 0;
  72 #endif
  73 }
  74
  75 int llog_pack_buffer(int fd, struct llog_log_hdr **llog_buf,
  76                      struct llog_rec_hdr ***recs, int *recs_number);
  77
  78 void print_llog_header(struct llog_log_hdr *llog_buf);
  79 static void print_records(struct llog_rec_hdr **recs_buf,
  80                           int rec_number, int is_ext);
  81 void llog_unpack_buffer(int fd, struct llog_log_hdr *llog_buf,
  82                         struct llog_rec_hdr **recs_buf);
  83
  84 #define CANCELLED 0x678
  85
  86 #define PTL_CMD_BASE 100
  87 char* portals_command[17]=
  88 {
  89         "REGISTER_PEER_FD",
  90         "CLOSE_CONNECTION",
  91         "REGISTER_MYNID",
  92         "PUSH_CONNECTION",
  93         "GET_CONN",
  94         "DEL_PEER",
  95         "ADD_PEER",
  96         "GET_PEER",
  97         "GET_TXDESC",
  98         "ADD_ROUTE",
  99         "DEL_ROUTE",
 100         "GET_ROUTE",
 101         "NOTIFY_ROUTER",
 102         "ADD_INTERFACE",
 103         "DEL_INTERFACE",
 104         "GET_INTERFACE",
 105         ""
 106 };
 107
 108 int is_fstype_ext(int fd)
 109 {
 110         struct statfs           st;
 111         int                     rc;
 112
 113         rc = fstatfs(fd, &st);
 114         if (rc < 0) {
 115                 llapi_error(LLAPI_MSG_ERROR, rc, "Got statfs error.");
 116                 return -errno;
 117         }
 118
 119         return (st.f_type == EXT4_SUPER_MAGIC);
 120 }
 121
 122
 123 /**
 124  * Attempt to display a path to the object (file) containing changelog entries,
 125  * referred to by this changelog_catalog record.
 126  *
 127  * This path depends on the implementation of the OSD device; zfs-osd and
 128  * ldiskfs-osd are different.
 129  *
 130  * Assumes that if the file system containing the changelog_catalog is
 131  * ext{2,3,4}, the backend is ldiskfs-osd; otherwise it is either zfs-osd or at
 132  * least names objects based on FID and the zfs-osd path (which includes the
 133  * FID) will be sufficient.
 134  *
 135  * The Object ID stored in the record is also displayed untranslated.
 136  */
 137 #define OSD_OI_FID_NR         (1UL << 7)
 138 static void print_log_path(struct llog_logid_rec *lid, int is_ext)
 139 {
 140
 141         char                    object_path[255];
 142         struct lu_fid           fid_from_logid;
 143
 144         logid_to_fid(&lid->lid_id, &fid_from_logid);
 145
 146         if (is_ext)
 147                 snprintf(object_path, sizeof(object_path),
 148                          "O/%ju/d%u/%u", (uintmax_t)fid_from_logid.f_seq,
 149                          fid_from_logid.f_oid % 32,
 150                          fid_from_logid.f_oid);
 151         else
 152                 snprintf(object_path, sizeof(object_path),
 153                          "oi.%ju/"DFID_NOBRACE,
 154                          (uintmax_t)(fid_from_logid.f_seq & (OSD_OI_FID_NR - 1)),
 155                          PFID(&fid_from_logid));
 156
 157         printf("id="DFID":%x path=%s\n",
 158                PFID(&lid->lid_id.lgl_oi.oi_fid), lid->lid_id.lgl_ogen,
 159                object_path);
 160 }
 161
 162 int main(int argc, char **argv)
 163 {
 164         int rc = 0;
 165         int is_ext;
 166         int fd, rec_number;
 167         struct llog_log_hdr *llog_buf = NULL;
 168         struct llog_rec_hdr **recs_buf = NULL;
 169
 170         setlinebuf(stdout);
 171
 172         if (argc != 2) {
 173                 printf("Usage: llog_reader filename\n");
 174                 return -1;
 175         }
 176
 177         fd = open(argv[1], O_RDONLY);
 178         if (fd < 0) {
 179                 rc = -errno;
 180                 llapi_error(LLAPI_MSG_ERROR, rc, "Could not open the file %s.",
 181                             argv[1]);
 182                 goto out;
 183         }
 184
 185         is_ext = is_fstype_ext(fd);
 186         if (is_ext < 0) {
 187                 rc = is_ext;
 188                 printf("Unable to determine type of filesystem containing %s\n",
 189                        argv[1]);
 190                 goto out_fd;
 191         }
 192
 193         rc = llog_pack_buffer(fd, &llog_buf, &recs_buf, &rec_number);
 194         if (rc < 0) {
 195                 llapi_error(LLAPI_MSG_ERROR, rc, "Could not pack buffer.");
 196                 goto out_fd;
 197         }
 198
 199         if (llog_buf != NULL)
 200                 print_llog_header(llog_buf);
 201         if (recs_buf != NULL)
 202                 print_records(recs_buf, rec_number, is_ext);
 203         llog_unpack_buffer(fd, llog_buf, recs_buf);
 204
 205 out_fd:
 206         close(fd);
 207 out:
 208         return rc;
 209 }
 210
 211
 212
 213 int llog_pack_buffer(int fd, struct llog_log_hdr **llog,
 214                      struct llog_rec_hdr ***recs,
 215                      int *recs_number)
 216 {
 217         int rc = 0, recs_num, rd = 0;
 218         long long file_size;
 219         struct stat st;
 220         char *file_buf = NULL, *recs_buf = NULL;
 221         struct llog_rec_hdr **recs_pr = NULL;
 222         char *ptr = NULL;
 223         int count;
 224         int i;
 225
 226         rc = fstat(fd, &st);
 227         if (rc < 0) {
 228                 rc = -errno;
 229                 llapi_error(LLAPI_MSG_ERROR, rc, "Got file stat error.");
 230                 goto out;
 231         }
 232
 233         file_size = st.st_size;
 234         if (file_size < sizeof(**llog)) {
 235                 llapi_error(LLAPI_MSG_ERROR, rc,
 236                             "File too small for llog header: "
 237                             "need %zd, size %lld\n",
 238                             sizeof(**llog), file_size);
 239                 rc = -EIO;
 240                 goto out;
 241         }
 242
 243         file_buf = malloc(file_size);
 244         if (file_buf == NULL) {
 245                 rc = -ENOMEM;
 246                 llapi_error(LLAPI_MSG_ERROR, rc, "Memory Alloc for file_buf.");
 247                 goto out;
 248         }
 249         *llog = (struct llog_log_hdr *)file_buf;
 250
 251         do {
 252                 rc = read(fd, file_buf + rd, file_size - rd);
 253                 if (rc > 0)
 254                         rd += rc;
 255         } while (rc > 0 && rd < file_size);
 256
 257         if (rd < file_size) {
 258                 rc = rc < 0 ? -errno : -EIO;
 259                 llapi_error(LLAPI_MSG_ERROR, rc,
 260                             "Error reading llog header: need %zd, got %d",
 261                             sizeof(**llog), rd);
 262                 goto clear_file_buf;
 263         }
 264
 265         count = __le32_to_cpu((*llog)->llh_count);
 266         if (count < 0) {
 267                 rc = -EINVAL;
 268                 llapi_error(LLAPI_MSG_ERROR, rc,
 269                             "corrupted llog: negative record number %d",
 270                             count);
 271                 goto clear_file_buf;
 272         } else if (count == 0) {
 273                 llapi_printf(LLAPI_MSG_NORMAL,
 274                              "uninitialized llog: zero record number\n");
 275                 *recs_number = 0;
 276                 goto clear_file_buf;
 277         }
 278         /* the llog header not countable here.*/
 279         recs_num = count - 1;
 280
 281         recs_buf = malloc(recs_num * sizeof(**recs_pr));
 282         if (recs_buf == NULL) {
 283                 rc = -ENOMEM;
 284                 llapi_error(LLAPI_MSG_ERROR, rc,
 285                             "Error allocating %zd bytes for recs_buf",
 286                             recs_num * sizeof(**recs_pr));
 287                 goto clear_file_buf;
 288         }
 289         recs_pr = (struct llog_rec_hdr **)recs_buf;
 290
 291         ptr = file_buf + __le32_to_cpu((*llog)->llh_hdr.lrh_len);
 292         i = 0;
 293
 294         while (ptr < (file_buf + file_size)) {
 295                 struct llog_rec_hdr *cur_rec;
 296                 int idx;
 297                 unsigned long offset;
 298
 299                 if (ptr + sizeof(**recs_pr) > file_buf + file_size) {
 300                         rc = -EINVAL;
 301                         llapi_error(LLAPI_MSG_ERROR, rc,
 302                                     "The log is corrupt (too big at %d)", i);
 303                         goto clear_recs_buf;
 304                 }
 305
 306                 cur_rec = (struct llog_rec_hdr *)ptr;
 307                 idx = __le32_to_cpu(cur_rec->lrh_index);
 308                 recs_pr[i] = cur_rec;
 309                 offset = (unsigned long)ptr - (unsigned long)file_buf;
 310                 if (cur_rec->lrh_len == 0 ||
 311                     cur_rec->lrh_len > (*llog)->llh_hdr.lrh_len) {
 312                         cur_rec->lrh_len = (*llog)->llh_hdr.lrh_len -
 313                                 offset % (*llog)->llh_hdr.lrh_len;
 314                         printf("off %lu skip %u to next chunk.\n", offset,
 315                                cur_rec->lrh_len);
 316                         i--;
 317                 } else if (ext2_test_bit(idx, LLOG_HDR_BITMAP(*llog))) {
 318                         printf("rec #%d type=%x len=%u offset %lu\n", idx,
 319                                cur_rec->lrh_type, cur_rec->lrh_len, offset);
 320                 } else {
 321                         printf("Bit %d of %d not set\n", idx, recs_num);
 322                         cur_rec->lrh_id = CANCELLED;
 323                         /* The header counts only set records */
 324                         i--;
 325                 }
 326
 327                 ptr += __le32_to_cpu(cur_rec->lrh_len);
 328                 if ((ptr - file_buf) > file_size) {
 329                         printf("The log is corrupt (too big at %d)\n", i);
 330                         rc = -EINVAL;
 331                         goto clear_recs_buf;
 332                 }
 333                 i++;
 334         }
 335
 336         *recs = recs_pr;
 337         *recs_number = recs_num;
 338
 339 out:
 340         return rc;
 341
 342 clear_recs_buf:
 343         free(recs_buf);
 344
 345 clear_file_buf:
 346         free(file_buf);
 347
 348         *llog = NULL;
 349         goto out;
 350 }
 351
 352 void llog_unpack_buffer(int fd, struct llog_log_hdr *llog_buf,
 353                         struct llog_rec_hdr **recs_buf)
 354 {
 355         if (llog_buf != NULL)
 356                 free(llog_buf);
 357         if (recs_buf != NULL)
 358                 free(recs_buf);
 359         return;
 360 }
 361
 362 void print_llog_header(struct llog_log_hdr *llog_buf)
 363 {
 364         time_t t;
 365
 366         printf("Header size : %u\n",
 367                __le32_to_cpu(llog_buf->llh_hdr.lrh_len));
 368
 369         t = __le64_to_cpu(llog_buf->llh_timestamp);
 370         printf("Time : %s", ctime(&t));
 371
 372         printf("Number of records: %u\n",
 373                __le32_to_cpu(llog_buf->llh_count)-1);
 374
 375         printf("Target uuid : %s\n",
 376                (char *)(&llog_buf->llh_tgtuuid));
 377
 378         /* Add the other info you want to view here */
 379
 380         printf("-----------------------\n");
 381         return;
 382 }
 383
 384 static void print_1_cfg(struct lustre_cfg *lcfg)
 385 {
 386         int i;
 387
 388         if (lcfg->lcfg_nid)
 389                 printf("nid=%s(%#jx)  ", libcfs_nid2str(lcfg->lcfg_nid),
 390                        (uintmax_t)lcfg->lcfg_nid);
 391         if (lcfg->lcfg_nal)
 392                 printf("nal=%d ", lcfg->lcfg_nal);
 393         for (i = 0; i <  lcfg->lcfg_bufcount; i++)
 394                 printf("%d:%.*s  ", i, lcfg->lcfg_buflens[i],
 395                        (char*)lustre_cfg_buf(lcfg, i));
 396         return;
 397 }
 398
 399 static char *lustre_cfg_string(struct lustre_cfg *lcfg, __u32 index)
 400 {
 401         char *s;
 402
 403         if (lcfg->lcfg_buflens[index] == 0)
 404                 return NULL;
 405
 406         s = lustre_cfg_buf(lcfg, index);
 407         if (s == NULL)
 408                 return NULL;
 409
 410         /*
 411          * make sure it's NULL terminated, even if this kills a char
 412          * of data. Try to use the padding first though.
 413          */
 414         if (s[lcfg->lcfg_buflens[index] - 1] != '\0') {
 415                 size_t last = __ALIGN_KERNEL(lcfg->lcfg_buflens[index], 8) - 1;
 416                 char lost;
 417
 418                 /* Use the smaller value */
 419                 if (last > lcfg->lcfg_buflens[index])
 420                         last = lcfg->lcfg_buflens[index];
 421
 422                 lost = s[last];
 423                 s[last] = '\0';
 424                 if (lost != '\0') {
 425                         fprintf(stderr, "Truncated buf %d to '%s' (lost '%c'...)\n",
 426                                 index, s, lost);
 427                 }
 428         }
 429         return s;
 430 }
 431
 432 static void print_setup_cfg(struct lustre_cfg *lcfg)
 433 {
 434         struct lov_desc *desc;
 435
 436         if ((lcfg->lcfg_bufcount == 2) &&
 437             (lcfg->lcfg_buflens[1] == sizeof(*desc))) {
 438                 printf("lov_setup ");
 439                 printf("0:%s  ", lustre_cfg_string(lcfg, 0));
 440                 printf("1:(struct lov_desc)\n");
 441                 desc = (struct lov_desc*)(lustre_cfg_string(lcfg, 1));
 442                 printf("\t\tuuid=%s  ", (char*)desc->ld_uuid.uuid);
 443                 printf("stripe:cnt=%u ", desc->ld_default_stripe_count);
 444                 printf("size=%ju ", (uintmax_t)desc->ld_default_stripe_size);
 445                 printf("offset=%ju ",
 446                        (uintmax_t)desc->ld_default_stripe_offset);
 447                 printf("pattern=%#x", desc->ld_pattern);
 448         } else {
 449                 printf("setup     ");
 450                 print_1_cfg(lcfg);
 451         }
 452
 453         return;
 454 }
 455
 456 void print_lustre_cfg(struct lustre_cfg *lcfg, int *skip)
 457 {
 458         enum lcfg_command_type cmd = __le32_to_cpu(lcfg->lcfg_command);
 459
 460         if (*skip > 0)
 461                 printf("SKIP ");
 462
 463         switch(cmd){
 464         case(LCFG_ATTACH):{
 465                 printf("attach    ");
 466                 print_1_cfg(lcfg);
 467                 break;
 468         }
 469         case(LCFG_SETUP):{
 470                 print_setup_cfg(lcfg);
 471                 break;
 472         }
 473         case(LCFG_DETACH):{
 474                 printf("detach    ");
 475                 print_1_cfg(lcfg);
 476                 break;
 477         }
 478         case(LCFG_CLEANUP):{
 479                 printf("cleanup   ");
 480                 print_1_cfg(lcfg);
 481                 break;
 482         }
 483         case(LCFG_ADD_UUID):{
 484                 printf("add_uuid  ");
 485                 print_1_cfg(lcfg);
 486                 break;
 487         }
 488         case(LCFG_DEL_UUID):{
 489                 printf("del_uuid  ");
 490                 print_1_cfg(lcfg);
 491                 break;
 492         }
 493         case(LCFG_ADD_CONN):{
 494                 printf("add_conn  ");
 495                 print_1_cfg(lcfg);
 496                 break;
 497         }
 498         case(LCFG_DEL_CONN):{
 499                 printf("del_conn  ");
 500                 print_1_cfg(lcfg);
 501                 break;
 502         }
 503         case(LCFG_LOV_ADD_OBD):{
 504                 printf("lov_modify_tgts add ");
 505                 print_1_cfg(lcfg);
 506                 break;
 507         }
 508         case(LCFG_LOV_DEL_OBD):{
 509                 printf("lov_modify_tgts del ");
 510                 print_1_cfg(lcfg);
 511                 break;
 512         }
 513         case(LCFG_ADD_MDC):{
 514                 printf("modify_mdc_tgts add ");
 515                 print_1_cfg(lcfg);
 516                 break;
 517         }
 518         case(LCFG_DEL_MDC):{
 519                 printf("modify_mdc_tgts del ");
 520                 print_1_cfg(lcfg);
 521                 break;
 522         }
 523         case(LCFG_MOUNTOPT):{
 524                 printf("mount_option ");
 525                 print_1_cfg(lcfg);
 526                 break;
 527         }
 528         case(LCFG_DEL_MOUNTOPT):{
 529                 printf("del_mount_option ");
 530                 print_1_cfg(lcfg);
 531                 break;
 532         }
 533         case(LCFG_SET_TIMEOUT):{
 534                 printf("set_timeout=%d ", lcfg->lcfg_num);
 535                 break;
 536         }
 537         case(LCFG_SET_LDLM_TIMEOUT):{
 538                 printf("set_ldlm_timeout=%d ", lcfg->lcfg_num);
 539                 break;
 540         }
 541         case(LCFG_SET_UPCALL):{
 542                 printf("set_lustre_upcall ");
 543                 print_1_cfg(lcfg);
 544                 break;
 545         }
 546         case(LCFG_PARAM):{
 547                 printf("param ");
 548                 print_1_cfg(lcfg);
 549                 break;
 550         }
 551         case(LCFG_SET_PARAM):{
 552                 printf("set_param ");
 553                 print_1_cfg(lcfg);
 554                 break;
 555         }
 556         case(LCFG_SPTLRPC_CONF):{
 557                 printf("sptlrpc_conf ");
 558                 print_1_cfg(lcfg);
 559                 break;
 560         }
 561         case(LCFG_MARKER):{
 562                 struct cfg_marker *marker = lustre_cfg_buf(lcfg, 1);
 563                 char createtime[26], canceltime[26] = "";
 564                 time_t time_tmp;
 565
 566                 if (marker->cm_flags & CM_START &&
 567                     marker->cm_flags & CM_SKIP) {
 568                         printf("SKIP START ");
 569                         (*skip)++;
 570                 } else if (marker->cm_flags & CM_END) {
 571                         printf(     "END   ");
 572                         *skip = 0;
 573                 }
 574
 575                 if (marker->cm_flags & CM_EXCLUDE) {
 576                         if (marker->cm_flags & CM_START)
 577                                 printf("EXCLUDE START ");
 578                         else
 579                                 printf("EXCLUDE END   ");
 580                 }
 581
 582                 /* Handle overflow of 32-bit time_t gracefully.
 583                  * The copy to time_tmp is needed in any case to
 584                  * keep the pointer happy, even on 64-bit systems. */
 585                 time_tmp = marker->cm_createtime;
 586                 if (time_tmp == marker->cm_createtime) {
 587                         ctime_r(&time_tmp, createtime);
 588                         createtime[strlen(createtime) - 1] = 0;
 589                 } else {
 590                         strcpy(createtime, "in the distant future");
 591                 }
 592
 593                 if (marker->cm_canceltime) {
 594                         /* Like cm_createtime, we try to handle overflow of
 595                          * 32-bit time_t gracefully. The copy to time_tmp
 596                          * is also needed on 64-bit systems to keep the
 597                          * pointer happy, see bug 16771 */
 598                         time_tmp = marker->cm_canceltime;
 599                         if (time_tmp == marker->cm_canceltime) {
 600                                 ctime_r(&time_tmp, canceltime);
 601                                 canceltime[strlen(canceltime) - 1] = 0;
 602                         } else {
 603                                 strcpy(canceltime, "in the distant future");
 604                         }
 605                 }
 606
 607                 printf("marker %3d (flags=%#04x, v%d.%d.%d.%d) %-15s '%s' %s-%s",
 608                        marker->cm_step, marker->cm_flags,
 609                        OBD_OCD_VERSION_MAJOR(marker->cm_vers),
 610                        OBD_OCD_VERSION_MINOR(marker->cm_vers),
 611                        OBD_OCD_VERSION_PATCH(marker->cm_vers),
 612                        OBD_OCD_VERSION_FIX(marker->cm_vers),
 613                        marker->cm_tgtname, marker->cm_comment,
 614                        createtime, canceltime);
 615                 break;
 616         }
 617         case(LCFG_POOL_NEW):{
 618                 printf("pool new ");
 619                 print_1_cfg(lcfg);
 620                 break;
 621         }
 622         case(LCFG_POOL_ADD):{
 623                 printf("pool add ");
 624                 print_1_cfg(lcfg);
 625                 break;
 626         }
 627         case(LCFG_POOL_REM):{
 628                 printf("pool remove ");
 629                 print_1_cfg(lcfg);
 630                 break;
 631         }
 632         case(LCFG_POOL_DEL):{
 633                 printf("pool destroy ");
 634                 print_1_cfg(lcfg);
 635                 break;
 636         }
 637         default:
 638                 printf("unsupported cmd_code = %x\n",cmd);
 639         }
 640         printf("\n");
 641         return;
 642 }
 643
 644 static void print_hsm_action(struct llog_agent_req_rec *larr)
 645 {
 646         char    buf[12];
 647         int     sz;
 648
 649         sz = larr->arr_hai.hai_len - sizeof(larr->arr_hai);
 650         printf("lrh=[type=%X len=%d idx=%d] fid="DFID
 651                " compound/cookie=%#jx/%#jx"
 652                " status=%s action=%s archive#=%d flags=%#jx"
 653                " create=%ju change=%ju"
 654                " extent=%#jx-%#jx gid=%#jx datalen=%d"
 655                " data=[%s]\n",
 656                larr->arr_hdr.lrh_type,
 657                larr->arr_hdr.lrh_len, larr->arr_hdr.lrh_index,
 658                PFID(&larr->arr_hai.hai_fid),
 659                (uintmax_t)larr->arr_compound_id,
 660                (uintmax_t)larr->arr_hai.hai_cookie,
 661                agent_req_status2name(larr->arr_status),
 662                hsm_copytool_action2name(larr->arr_hai.hai_action),
 663                larr->arr_archive_id,
 664                (uintmax_t)larr->arr_flags,
 665                (uintmax_t)larr->arr_req_create,
 666                (uintmax_t)larr->arr_req_change,
 667                (uintmax_t)larr->arr_hai.hai_extent.offset,
 668                (uintmax_t)larr->arr_hai.hai_extent.length,
 669                (uintmax_t)larr->arr_hai.hai_gid, sz,
 670                hai_dump_data_field(&larr->arr_hai, buf, sizeof(buf)));
 671 }
 672
 673 void print_changelog_rec(struct llog_changelog_rec *rec)
 674 {
 675         time_t secs;
 676         struct tm ts;
 677
 678         secs = __le64_to_cpu(rec->cr.cr_time) >> 30;
 679         gmtime_r(&secs, &ts);
 680         printf("changelog record id:0x%x index:%llu cr_flags:0x%x "
 681                "cr_type:%s(0x%x) date:'%02d:%02d:%02d.%09d %04d.%02d.%02d' "
 682                "target:"DFID, __le32_to_cpu(rec->cr_hdr.lrh_id),
 683                __le64_to_cpu(rec->cr.cr_index),
 684                __le32_to_cpu(rec->cr.cr_flags),
 685                changelog_type2str(__le32_to_cpu(rec->cr.cr_type)),
 686                __le32_to_cpu(rec->cr.cr_type),
 687                ts.tm_hour, ts.tm_min, ts.tm_sec,
 688                (int)(__le64_to_cpu(rec->cr.cr_time) & ((1 << 30) - 1)),
 689                ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
 690                PFID(&rec->cr.cr_tfid));
 691
 692         if (rec->cr.cr_flags & CLF_JOBID) {
 693                 struct changelog_ext_jobid *jid =
 694                         changelog_rec_jobid(&rec->cr);
 695
 696                 if (jid->cr_jobid[0] != '\0')
 697                         printf(" jobid:%s", jid->cr_jobid);
 698         }
 699
 700         if (rec->cr.cr_flags & CLF_EXTRA_FLAGS) {
 701                 struct changelog_ext_extra_flags *ef =
 702                         changelog_rec_extra_flags(&rec->cr);
 703
 704                 printf(" cr_extra_flags:0x%llx",
 705                        __le64_to_cpu(ef->cr_extra_flags));
 706
 707                 if (ef->cr_extra_flags & CLFE_UIDGID) {
 708                         struct changelog_ext_uidgid *uidgid =
 709                                 changelog_rec_uidgid(&rec->cr);
 710
 711                         printf(" user:%u:%u",
 712                                __le32_to_cpu(uidgid->cr_uid),
 713                                __le32_to_cpu(uidgid->cr_gid));
 714                 }
 715                 if (ef->cr_extra_flags & CLFE_NID) {
 716                         struct changelog_ext_nid *nid =
 717                                 changelog_rec_nid(&rec->cr);
 718
 719                         printf(" nid:%s",
 720                                libcfs_nid2str(nid->cr_nid));
 721                 }
 722
 723                 if (ef->cr_extra_flags & CLFE_OPEN) {
 724                         struct changelog_ext_openmode *omd =
 725                                 changelog_rec_openmode(&rec->cr);
 726                         char mode[] = "---";
 727
 728                         /* exec mode must be exclusive */
 729                         if (__le32_to_cpu(omd->cr_openflags) & MDS_FMODE_EXEC) {
 730                                 mode[2] = 'x';
 731                         } else {
 732                                 if (__le32_to_cpu(omd->cr_openflags) &
 733                                     MDS_FMODE_READ)
 734                                         mode[0] = 'r';
 735                                 if (__le32_to_cpu(omd->cr_openflags) &
 736                            (MDS_FMODE_WRITE | MDS_OPEN_TRUNC | MDS_OPEN_APPEND))
 737                                         mode[1] = 'w';
 738                         }
 739
 740                         if (strcmp(mode, "---") != 0)
 741                                 printf(" mode:%s", mode);
 742
 743                 }
 744
 745                 if (ef->cr_extra_flags & CLFE_XATTR) {
 746                         struct changelog_ext_xattr *xattr =
 747                                 changelog_rec_xattr(&rec->cr);
 748
 749                         if (xattr->cr_xattr[0] != '\0')
 750                                 printf(" xattr:%s", xattr->cr_xattr);
 751                 }
 752         }
 753
 754         if (rec->cr.cr_namelen)
 755                 printf(" parent:"DFID" name:%.*s", PFID(&rec->cr.cr_pfid),
 756                        __le32_to_cpu(rec->cr.cr_namelen),
 757                        changelog_rec_name(&rec->cr));
 758
 759         if (rec->cr.cr_flags & CLF_RENAME) {
 760                 struct changelog_ext_rename *rnm =
 761                         changelog_rec_rename(&rec->cr);
 762
 763                 if (!fid_is_zero(&rnm->cr_sfid))
 764                         printf(" source_fid:"DFID" source_parent_fid:"DFID
 765                                " %.*s",
 766                                PFID(&rnm->cr_sfid),
 767                                PFID(&rnm->cr_spfid),
 768                                (int)__le32_to_cpu(
 769                                        changelog_rec_snamelen(&rec->cr)),
 770                                changelog_rec_sname(&rec->cr));
 771         }
 772         printf("\n");
 773 }
 774
 775 static void print_records(struct llog_rec_hdr **recs,
 776                           int rec_number, int is_ext)
 777 {
 778         __u32 lopt;
 779         int i, skip = 0;
 780
 781         for (i = 0; i < rec_number; i++) {
 782                 printf("#%.2d (%.3d)", __le32_to_cpu(recs[i]->lrh_index),
 783                        __le32_to_cpu(recs[i]->lrh_len));
 784
 785                 lopt = __le32_to_cpu(recs[i]->lrh_type);
 786
 787                 if (recs[i]->lrh_id == CANCELLED)
 788                         printf("NOT SET ");
 789
 790                 switch (lopt) {
 791                 case OBD_CFG_REC:
 792                         print_lustre_cfg(
 793                                 (struct lustre_cfg *)((char *)(recs[i]) +
 794                                 sizeof(struct llog_rec_hdr)), &skip);
 795                         break;
 796                 case LLOG_PAD_MAGIC:
 797                         printf("padding\n");
 798                         break;
 799                 case LLOG_LOGID_MAGIC:
 800                         print_log_path((struct llog_logid_rec *)recs[i],
 801                                        is_ext);
 802                         break;
 803                 case HSM_AGENT_REC:
 804                         print_hsm_action((struct llog_agent_req_rec *)recs[i]);
 805                         break;
 806                 case CHANGELOG_REC:
 807                         print_changelog_rec((struct llog_changelog_rec *)
 808                                             recs[i]);
 809                         break;
 810                 case CHANGELOG_USER_REC:
 811                         printf("changelog_user record id:0x%x\n",
 812                                __le32_to_cpu(recs[i]->lrh_id));
 813                         break;
 814                 default:
 815                         printf("unknown type %x\n", lopt);
 816                         break;
 817                 }
 818         }
 819 }
 820
 821 /** @} llog_reader */