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                 llapi_error(LLAPI_MSG_ERROR, -rc,
 189                             "Unable to determine filesystem type for %s",
 190                        argv[1]);
 191                 goto out_fd;
 192         }
 193
 194         rc = llog_pack_buffer(fd, &llog_buf, &recs_buf, &rec_number);
 195         if (rc < 0) {
 196                 llapi_error(LLAPI_MSG_ERROR, rc, "Could not pack buffer.");
 197                 goto out_fd;
 198         }
 199
 200         if (llog_buf != NULL)
 201                 print_llog_header(llog_buf);
 202         if (recs_buf != NULL)
 203                 print_records(recs_buf, rec_number, is_ext);
 204         llog_unpack_buffer(fd, llog_buf, recs_buf);
 205
 206 out_fd:
 207         close(fd);
 208 out:
 209         return rc;
 210 }
 211
 212
 213
 214 int llog_pack_buffer(int fd, struct llog_log_hdr **llog,
 215                      struct llog_rec_hdr ***recs,
 216                      int *recs_number)
 217 {
 218         int rc = 0, recs_num, rd = 0;
 219         long long file_size;
 220         struct stat st;
 221         char *file_buf = NULL, *recs_buf = NULL;
 222         struct llog_rec_hdr **recs_pr = NULL;
 223         char *ptr = NULL;
 224         int count;
 225         int i;
 226
 227         rc = fstat(fd, &st);
 228         if (rc < 0) {
 229                 rc = -errno;
 230                 llapi_error(LLAPI_MSG_ERROR, rc, "Got file stat error.");
 231                 goto out;
 232         }
 233
 234         file_size = st.st_size;
 235         if (file_size < sizeof(**llog)) {
 236                 llapi_error(LLAPI_MSG_ERROR, rc,
 237                             "File too small for llog header: want=%zd got=%lld",
 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 = calloc(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 }
 360
 361 void print_llog_header(struct llog_log_hdr *llog_buf)
 362 {
 363         time_t t;
 364
 365         printf("Header size : %u\n",
 366                __le32_to_cpu(llog_buf->llh_hdr.lrh_len));
 367
 368         t = __le64_to_cpu(llog_buf->llh_timestamp);
 369         printf("Time : %s", ctime(&t));
 370
 371         printf("Number of records: %u\n",
 372                __le32_to_cpu(llog_buf->llh_count)-1);
 373
 374         printf("Target uuid : %s\n",
 375                (char *)(&llog_buf->llh_tgtuuid));
 376
 377         /* Add the other info you want to view here */
 378
 379         printf("-----------------------\n");
 380 }
 381
 382 static void print_1_cfg(struct lustre_cfg *lcfg)
 383 {
 384         int i;
 385
 386         if (lcfg->lcfg_nid)
 387                 printf("nid=%s(%#jx)  ", libcfs_nid2str(lcfg->lcfg_nid),
 388                        (uintmax_t)lcfg->lcfg_nid);
 389         if (lcfg->lcfg_nal)
 390                 printf("nal=%d ", lcfg->lcfg_nal);
 391         for (i = 0; i <  lcfg->lcfg_bufcount; i++)
 392                 printf("%d:%.*s  ", i, lcfg->lcfg_buflens[i],
 393                        (char*)lustre_cfg_buf(lcfg, i));
 394 }
 395
 396 static char *lustre_cfg_string(struct lustre_cfg *lcfg, __u32 index)
 397 {
 398         char *s;
 399
 400         if (lcfg->lcfg_buflens[index] == 0)
 401                 return NULL;
 402
 403         s = lustre_cfg_buf(lcfg, index);
 404         if (s == NULL)
 405                 return NULL;
 406
 407         /*
 408          * make sure it's NULL terminated, even if this kills a char
 409          * of data. Try to use the padding first though.
 410          */
 411         if (s[lcfg->lcfg_buflens[index] - 1] != '\0') {
 412                 size_t last = __ALIGN_KERNEL(lcfg->lcfg_buflens[index], 8) - 1;
 413                 char lost;
 414
 415                 /* Use the smaller value */
 416                 if (last > lcfg->lcfg_buflens[index])
 417                         last = lcfg->lcfg_buflens[index];
 418
 419                 lost = s[last];
 420                 s[last] = '\0';
 421                 if (lost != '\0') {
 422                         fprintf(stderr, "Truncated buf %d to '%s' (lost '%c'...)\n",
 423                                 index, s, lost);
 424                 }
 425         }
 426         return s;
 427 }
 428
 429 static void print_setup_cfg(struct lustre_cfg *lcfg)
 430 {
 431         struct lov_desc *desc;
 432
 433         if ((lcfg->lcfg_bufcount == 2) &&
 434             (lcfg->lcfg_buflens[1] == sizeof(*desc))) {
 435                 printf("lov_setup ");
 436                 printf("0:%s  ", lustre_cfg_string(lcfg, 0));
 437                 printf("1:(struct lov_desc)\n");
 438                 desc = (struct lov_desc*)(lustre_cfg_string(lcfg, 1));
 439                 printf("\t\tuuid=%s  ", (char*)desc->ld_uuid.uuid);
 440                 printf("stripe:cnt=%u ", desc->ld_default_stripe_count);
 441                 printf("size=%ju ", (uintmax_t)desc->ld_default_stripe_size);
 442                 printf("offset=%ju ",
 443                        (uintmax_t)desc->ld_default_stripe_offset);
 444                 printf("pattern=%#x", desc->ld_pattern);
 445         } else {
 446                 printf("setup     ");
 447                 print_1_cfg(lcfg);
 448         }
 449 }
 450
 451 void print_lustre_cfg(struct lustre_cfg *lcfg, int *skip)
 452 {
 453         enum lcfg_command_type cmd = __le32_to_cpu(lcfg->lcfg_command);
 454
 455         if (*skip > 0)
 456                 printf("SKIP ");
 457
 458         switch(cmd){
 459         case(LCFG_ATTACH):{
 460                 printf("attach    ");
 461                 print_1_cfg(lcfg);
 462                 break;
 463         }
 464         case(LCFG_SETUP):{
 465                 print_setup_cfg(lcfg);
 466                 break;
 467         }
 468         case(LCFG_DETACH):{
 469                 printf("detach    ");
 470                 print_1_cfg(lcfg);
 471                 break;
 472         }
 473         case(LCFG_CLEANUP):{
 474                 printf("cleanup   ");
 475                 print_1_cfg(lcfg);
 476                 break;
 477         }
 478         case(LCFG_ADD_UUID):{
 479                 printf("add_uuid  ");
 480                 print_1_cfg(lcfg);
 481                 break;
 482         }
 483         case(LCFG_DEL_UUID):{
 484                 printf("del_uuid  ");
 485                 print_1_cfg(lcfg);
 486                 break;
 487         }
 488         case(LCFG_ADD_CONN):{
 489                 printf("add_conn  ");
 490                 print_1_cfg(lcfg);
 491                 break;
 492         }
 493         case(LCFG_DEL_CONN):{
 494                 printf("del_conn  ");
 495                 print_1_cfg(lcfg);
 496                 break;
 497         }
 498         case(LCFG_LOV_ADD_OBD):{
 499                 printf("lov_modify_tgts add ");
 500                 print_1_cfg(lcfg);
 501                 break;
 502         }
 503         case(LCFG_LOV_DEL_OBD):{
 504                 printf("lov_modify_tgts del ");
 505                 print_1_cfg(lcfg);
 506                 break;
 507         }
 508         case(LCFG_ADD_MDC):{
 509                 printf("modify_mdc_tgts add ");
 510                 print_1_cfg(lcfg);
 511                 break;
 512         }
 513         case(LCFG_DEL_MDC):{
 514                 printf("modify_mdc_tgts del ");
 515                 print_1_cfg(lcfg);
 516                 break;
 517         }
 518         case(LCFG_MOUNTOPT):{
 519                 printf("mount_option ");
 520                 print_1_cfg(lcfg);
 521                 break;
 522         }
 523         case(LCFG_DEL_MOUNTOPT):{
 524                 printf("del_mount_option ");
 525                 print_1_cfg(lcfg);
 526                 break;
 527         }
 528         case(LCFG_SET_TIMEOUT):{
 529                 printf("set_timeout=%d ", lcfg->lcfg_num);
 530                 break;
 531         }
 532         case(LCFG_SET_LDLM_TIMEOUT):{
 533                 printf("set_ldlm_timeout=%d ", lcfg->lcfg_num);
 534                 break;
 535         }
 536         case(LCFG_SET_UPCALL):{
 537                 printf("set_lustre_upcall ");
 538                 print_1_cfg(lcfg);
 539                 break;
 540         }
 541         case(LCFG_PARAM):{
 542                 printf("param ");
 543                 print_1_cfg(lcfg);
 544                 break;
 545         }
 546         case(LCFG_SET_PARAM):{
 547                 printf("set_param ");
 548                 print_1_cfg(lcfg);
 549                 break;
 550         }
 551         case(LCFG_SPTLRPC_CONF):{
 552                 printf("sptlrpc_conf ");
 553                 print_1_cfg(lcfg);
 554                 break;
 555         }
 556         case(LCFG_MARKER):{
 557                 struct cfg_marker *marker = lustre_cfg_buf(lcfg, 1);
 558                 char createtime[26], canceltime[26] = "";
 559                 time_t time_tmp;
 560
 561                 if (marker->cm_flags & CM_START &&
 562                     marker->cm_flags & CM_SKIP) {
 563                         printf("SKIP START ");
 564                         (*skip)++;
 565                 } else if (marker->cm_flags & CM_END) {
 566                         printf(     "END   ");
 567                         *skip = 0;
 568                 }
 569
 570                 if (marker->cm_flags & CM_EXCLUDE) {
 571                         if (marker->cm_flags & CM_START)
 572                                 printf("EXCLUDE START ");
 573                         else
 574                                 printf("EXCLUDE END   ");
 575                 }
 576
 577                 /* Handle overflow of 32-bit time_t gracefully.
 578                  * The copy to time_tmp is needed in any case to
 579                  * keep the pointer happy, even on 64-bit systems. */
 580                 time_tmp = marker->cm_createtime;
 581                 if (time_tmp == marker->cm_createtime) {
 582                         ctime_r(&time_tmp, createtime);
 583                         createtime[strlen(createtime) - 1] = 0;
 584                 } else {
 585                         strcpy(createtime, "in the distant future");
 586                 }
 587
 588                 if (marker->cm_canceltime) {
 589                         /* Like cm_createtime, we try to handle overflow of
 590                          * 32-bit time_t gracefully. The copy to time_tmp
 591                          * is also needed on 64-bit systems to keep the
 592                          * pointer happy, see bug 16771 */
 593                         time_tmp = marker->cm_canceltime;
 594                         if (time_tmp == marker->cm_canceltime) {
 595                                 ctime_r(&time_tmp, canceltime);
 596                                 canceltime[strlen(canceltime) - 1] = 0;
 597                         } else {
 598                                 strcpy(canceltime, "in the distant future");
 599                         }
 600                 }
 601
 602                 printf("marker %3d (flags=%#04x, v%d.%d.%d.%d) %-15s '%s' %s-%s",
 603                        marker->cm_step, marker->cm_flags,
 604                        OBD_OCD_VERSION_MAJOR(marker->cm_vers),
 605                        OBD_OCD_VERSION_MINOR(marker->cm_vers),
 606                        OBD_OCD_VERSION_PATCH(marker->cm_vers),
 607                        OBD_OCD_VERSION_FIX(marker->cm_vers),
 608                        marker->cm_tgtname, marker->cm_comment,
 609                        createtime, canceltime);
 610                 break;
 611         }
 612         case(LCFG_POOL_NEW):{
 613                 printf("pool new ");
 614                 print_1_cfg(lcfg);
 615                 break;
 616         }
 617         case(LCFG_POOL_ADD):{
 618                 printf("pool add ");
 619                 print_1_cfg(lcfg);
 620                 break;
 621         }
 622         case(LCFG_POOL_REM):{
 623                 printf("pool remove ");
 624                 print_1_cfg(lcfg);
 625                 break;
 626         }
 627         case(LCFG_POOL_DEL):{
 628                 printf("pool destroy ");
 629                 print_1_cfg(lcfg);
 630                 break;
 631         }
 632         default:
 633                 printf("unsupported cmd_code = %x\n",cmd);
 634         }
 635         printf("\n");
 636 }
 637
 638 static void print_hsm_action(struct llog_agent_req_rec *larr)
 639 {
 640         char    buf[12];
 641         int     sz;
 642
 643         sz = larr->arr_hai.hai_len - sizeof(larr->arr_hai);
 644         printf("lrh=[type=%X len=%d idx=%d] fid="DFID
 645                " compound/cookie=%#llx/%#llx"
 646                " status=%s action=%s archive#=%d flags=%#llx"
 647                " create=%llu change=%llu"
 648                " extent=%#llx-%#llx gid=%#llx datalen=%d"
 649                " data=[%s]\n",
 650                larr->arr_hdr.lrh_type,
 651                larr->arr_hdr.lrh_len, larr->arr_hdr.lrh_index,
 652                PFID(&larr->arr_hai.hai_fid),
 653                (unsigned long long)larr->arr_compound_id,
 654                (unsigned long long)larr->arr_hai.hai_cookie,
 655                agent_req_status2name(larr->arr_status),
 656                hsm_copytool_action2name(larr->arr_hai.hai_action),
 657                larr->arr_archive_id,
 658                (unsigned long long)larr->arr_flags,
 659                (unsigned long long)larr->arr_req_create,
 660                (unsigned long long)larr->arr_req_change,
 661                (unsigned long long)larr->arr_hai.hai_extent.offset,
 662                (unsigned long long)larr->arr_hai.hai_extent.length,
 663                (unsigned long long)larr->arr_hai.hai_gid, sz,
 664                hai_dump_data_field(&larr->arr_hai, buf, sizeof(buf)));
 665 }
 666
 667 void print_changelog_rec(struct llog_changelog_rec *rec)
 668 {
 669         time_t secs;
 670         struct tm ts;
 671
 672         secs = __le64_to_cpu(rec->cr.cr_time) >> 30;
 673         gmtime_r(&secs, &ts);
 674         printf("changelog record id:0x%x index:%llu cr_flags:0x%x "
 675                "cr_type:%s(0x%x) date:'%02d:%02d:%02d.%09d %04d.%02d.%02d' "
 676                "target:"DFID, __le32_to_cpu(rec->cr_hdr.lrh_id),
 677                (unsigned long long)__le64_to_cpu(rec->cr.cr_index),
 678                __le32_to_cpu(rec->cr.cr_flags),
 679                changelog_type2str(__le32_to_cpu(rec->cr.cr_type)),
 680                __le32_to_cpu(rec->cr.cr_type),
 681                ts.tm_hour, ts.tm_min, ts.tm_sec,
 682                (int)(__le64_to_cpu(rec->cr.cr_time) & ((1 << 30) - 1)),
 683                ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
 684                PFID(&rec->cr.cr_tfid));
 685
 686         if (rec->cr.cr_flags & CLF_JOBID) {
 687                 struct changelog_ext_jobid *jid =
 688                         changelog_rec_jobid(&rec->cr);
 689
 690                 if (jid->cr_jobid[0] != '\0')
 691                         printf(" jobid:%s", jid->cr_jobid);
 692         }
 693
 694         if (rec->cr.cr_flags & CLF_EXTRA_FLAGS) {
 695                 struct changelog_ext_extra_flags *ef =
 696                         changelog_rec_extra_flags(&rec->cr);
 697
 698                 printf(" cr_extra_flags:0x%llx",
 699                        (unsigned long long)__le64_to_cpu(ef->cr_extra_flags));
 700
 701                 if (ef->cr_extra_flags & CLFE_UIDGID) {
 702                         struct changelog_ext_uidgid *uidgid =
 703                                 changelog_rec_uidgid(&rec->cr);
 704
 705                         printf(" user:%u:%u",
 706                                __le32_to_cpu(uidgid->cr_uid),
 707                                __le32_to_cpu(uidgid->cr_gid));
 708                 }
 709                 if (ef->cr_extra_flags & CLFE_NID) {
 710                         struct changelog_ext_nid *nid =
 711                                 changelog_rec_nid(&rec->cr);
 712
 713                         printf(" nid:%s",
 714                                libcfs_nid2str(nid->cr_nid));
 715                 }
 716
 717                 if (ef->cr_extra_flags & CLFE_OPEN) {
 718                         struct changelog_ext_openmode *omd =
 719                                 changelog_rec_openmode(&rec->cr);
 720                         char mode[] = "---";
 721
 722                         /* exec mode must be exclusive */
 723                         if (__le32_to_cpu(omd->cr_openflags) & MDS_FMODE_EXEC) {
 724                                 mode[2] = 'x';
 725                         } else {
 726                                 if (__le32_to_cpu(omd->cr_openflags) &
 727                                     MDS_FMODE_READ)
 728                                         mode[0] = 'r';
 729                                 if (__le32_to_cpu(omd->cr_openflags) &
 730                            (MDS_FMODE_WRITE | MDS_OPEN_TRUNC | MDS_OPEN_APPEND))
 731                                         mode[1] = 'w';
 732                         }
 733
 734                         if (strcmp(mode, "---") != 0)
 735                                 printf(" mode:%s", mode);
 736
 737                 }
 738
 739                 if (ef->cr_extra_flags & CLFE_XATTR) {
 740                         struct changelog_ext_xattr *xattr =
 741                                 changelog_rec_xattr(&rec->cr);
 742
 743                         if (xattr->cr_xattr[0] != '\0')
 744                                 printf(" xattr:%s", xattr->cr_xattr);
 745                 }
 746         }
 747
 748         if (rec->cr.cr_namelen)
 749                 printf(" parent:"DFID" name:%.*s", PFID(&rec->cr.cr_pfid),
 750                        __le32_to_cpu(rec->cr.cr_namelen),
 751                        changelog_rec_name(&rec->cr));
 752
 753         if (rec->cr.cr_flags & CLF_RENAME) {
 754                 struct changelog_ext_rename *rnm =
 755                         changelog_rec_rename(&rec->cr);
 756
 757                 if (!fid_is_zero(&rnm->cr_sfid))
 758                         printf(" source_fid:"DFID" source_parent_fid:"DFID
 759                                " %.*s",
 760                                PFID(&rnm->cr_sfid),
 761                                PFID(&rnm->cr_spfid),
 762                                (int)__le32_to_cpu(
 763                                        changelog_rec_snamelen(&rec->cr)),
 764                                changelog_rec_sname(&rec->cr));
 765         }
 766         printf("\n");
 767 }
 768
 769 static void print_records(struct llog_rec_hdr **recs,
 770                           int rec_number, int is_ext)
 771 {
 772         __u32 lopt;
 773         int i, skip = 0;
 774
 775         for (i = 0; i < rec_number; i++) {
 776                 if (recs[i] == NULL) {
 777                         llapi_printf(LLAPI_MSG_NORMAL,
 778                                      "uninitialized llog record at index %d\n",
 779                                      i);
 780                         break;
 781                 }
 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 */