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  */
  31 /** \defgroup llog_reader Lustre Log Reader
  32  *
  33  * Interpret llogs used for storing configuration and changelog data
  34  *
  35  * @{
  36  */
  37
  38 #include <errno.h>
  39 #include <limits.h>
  40 #include <stdbool.h>
  41 #include <stdio.h>
  42 #include <stdlib.h>
  43 #include <string.h>
  44 #include <sys/types.h>
  45 #include <sys/stat.h>
  46 #include <sys/param.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
  68         return (tmp[nr >> 3] >> (nr & 7)) & 1;
  69 #else
  70         const unsigned long *tmp = addr;
  71
  72         return ((1UL << (nr & (__WORDSIZE - 1))) &
  73                 ((tmp)[nr / __WORDSIZE])) != 0;
  74 #endif
  75 }
  76
  77 int llog_pack_buffer(int fd, struct llog_log_hdr **llog_buf,
  78                      struct llog_rec_hdr ***recs, int *recs_number);
  79
  80 void print_llog_header(struct llog_log_hdr *llog_buf);
  81 static void print_records(struct llog_rec_hdr **recs_buf,
  82                           int rec_number, int is_ext);
  83 void llog_unpack_buffer(int fd, struct llog_log_hdr *llog_buf,
  84                         struct llog_rec_hdr **recs_buf);
  85
  86 #define CANCELLED 0x678
  87
  88 #define PTL_CMD_BASE 100
  89 char *portals_command[17] = {
  90         "REGISTER_PEER_FD",
  91         "CLOSE_CONNECTION",
  92         "REGISTER_MYNID",
  93         "PUSH_CONNECTION",
  94         "GET_CONN",
  95         "DEL_PEER",
  96         "ADD_PEER",
  97         "GET_PEER",
  98         "GET_TXDESC",
  99         "ADD_ROUTE",
 100         "DEL_ROUTE",
 101         "GET_ROUTE",
 102         "NOTIFY_ROUTER",
 103         "ADD_INTERFACE",
 104         "DEL_INTERFACE",
 105         "GET_INTERFACE",
 106         ""
 107 };
 108
 109 int is_fstype_ext(int fd)
 110 {
 111         struct statfs st;
 112         int rc;
 113
 114         rc = fstatfs(fd, &st);
 115         if (rc < 0) {
 116                 llapi_error(LLAPI_MSG_ERROR, rc, "Got statfs error.");
 117                 return -errno;
 118         }
 119
 120         return (st.f_type == EXT4_SUPER_MAGIC);
 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         char object_path[255];
 141         struct lu_fid fid_from_logid;
 142
 143         logid_to_fid(&lid->lid_id, &fid_from_logid);
 144
 145         if (is_ext)
 146                 snprintf(object_path, sizeof(object_path),
 147                          "O/%ju/d%u/%u", (uintmax_t)fid_from_logid.f_seq,
 148                          fid_from_logid.f_oid % 32,
 149                          fid_from_logid.f_oid);
 150         else
 151                 snprintf(object_path, sizeof(object_path),
 152                          "oi.%ju/"DFID_NOBRACE,
 153                          (uintmax_t)(fid_from_logid.f_seq &
 154                                      (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)
 201                 print_llog_header(llog_buf);
 202         if (recs_buf)
 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 int llog_pack_buffer(int fd, struct llog_log_hdr **llog,
 213                      struct llog_rec_hdr ***recs,
 214                      int *recs_number)
 215 {
 216         int rc = 0, recs_num, rd = 0;
 217         long long file_size;
 218         struct stat st;
 219         char *file_buf = NULL, *recs_buf = NULL;
 220         struct llog_rec_hdr **recs_pr = NULL;
 221         char *ptr = NULL;
 222         int count;
 223         int i, last_idx;
 224
 225         *recs = NULL;
 226         *recs_number = 0;
 227
 228         rc = fstat(fd, &st);
 229         if (rc < 0) {
 230                 rc = -errno;
 231                 llapi_error(LLAPI_MSG_ERROR, rc, "Got file stat error.");
 232                 goto out;
 233         }
 234
 235         file_size = st.st_size;
 236         if (file_size < sizeof(**llog)) {
 237                 llapi_error(LLAPI_MSG_ERROR, rc,
 238                             "File too small for llog header: want=%zd got=%lld",
 239                             sizeof(**llog), file_size);
 240                 rc = -EIO;
 241                 goto out;
 242         }
 243
 244         file_buf = malloc(file_size);
 245         if (!file_buf) {
 246                 rc = -ENOMEM;
 247                 llapi_error(LLAPI_MSG_ERROR, rc, "Memory Alloc for file_buf.");
 248                 goto out;
 249         }
 250         *llog = (struct llog_log_hdr *)file_buf;
 251
 252         do {
 253                 rc = read(fd, file_buf + rd, file_size - rd);
 254                 if (rc > 0)
 255                         rd += rc;
 256         } while (rc > 0 && rd < file_size);
 257
 258         if (rd < file_size) {
 259                 rc = rc < 0 ? -errno : -EIO;
 260                 llapi_error(LLAPI_MSG_ERROR, rc,
 261                             "Error reading llog header: need %zd, got %d",
 262                             sizeof(**llog), rd);
 263                 goto clear_file_buf;
 264         }
 265
 266         count = __le32_to_cpu((*llog)->llh_count);
 267         if (count < 0) {
 268                 rc = -EINVAL;
 269                 llapi_error(LLAPI_MSG_ERROR, rc,
 270                             "corrupted llog: negative record number %d",
 271                             count);
 272                 goto clear_file_buf;
 273         } else if (count == 0) {
 274                 llapi_printf(LLAPI_MSG_NORMAL,
 275                              "uninitialized llog: zero record number\n");
 276                 goto clear_file_buf;
 277         }
 278
 279         /* the llog header not countable here.*/
 280         recs_num = count - 1;
 281         if (recs_num == 0)
 282                 goto clear_file_buf;
 283
 284         recs_buf = calloc(recs_num, sizeof(**recs_pr));
 285         if (!recs_buf) {
 286                 rc = -ENOMEM;
 287                 llapi_error(LLAPI_MSG_ERROR, rc,
 288                             "Error allocating %zd bytes for recs_buf",
 289                             recs_num * sizeof(**recs_pr));
 290                 goto clear_file_buf;
 291         }
 292         recs_pr = (struct llog_rec_hdr **)recs_buf;
 293
 294         ptr = file_buf + __le32_to_cpu((*llog)->llh_hdr.lrh_len);
 295         i = 0;
 296
 297         last_idx = 0;
 298         while (ptr < (file_buf + file_size)) {
 299                 struct llog_rec_hdr *cur_rec;
 300                 int idx;
 301                 unsigned long offset;
 302
 303                 if (ptr + sizeof(**recs_pr) > file_buf + file_size) {
 304                         rc = -EINVAL;
 305                         llapi_error(LLAPI_MSG_ERROR, rc,
 306                                     "The log is corrupt (too big at %d)", i);
 307                         goto clear_recs_buf;
 308                 }
 309
 310                 cur_rec = (struct llog_rec_hdr *)ptr;
 311                 idx = __le32_to_cpu(cur_rec->lrh_index);
 312                 recs_pr[i] = cur_rec;
 313                 offset = (unsigned long)ptr - (unsigned long)file_buf;
 314                 if (cur_rec->lrh_len == 0 ||
 315                     cur_rec->lrh_len > (*llog)->llh_hdr.lrh_len) {
 316                         cur_rec->lrh_len = (*llog)->llh_hdr.lrh_len -
 317                                 offset % (*llog)->llh_hdr.lrh_len;
 318                         printf("off %lu skip %u to next chunk.\n", offset,
 319                                cur_rec->lrh_len);
 320                         i--;
 321                 } else if (ext2_test_bit(idx, LLOG_HDR_BITMAP(*llog))) {
 322                         printf("rec #%d type=%x len=%u offset %lu\n", idx,
 323                                cur_rec->lrh_type, cur_rec->lrh_len, offset);
 324                 } else {
 325                         cur_rec->lrh_id = CANCELLED;
 326                         if (cur_rec->lrh_type == LLOG_PAD_MAGIC &&
 327                            ((offset + cur_rec->lrh_len) & 0x7) != 0)
 328                                 printf("rec #%d wrong padding len=%u offset %lu to 0x%lx\n",
 329                                        idx, cur_rec->lrh_len, offset,
 330                                        offset + cur_rec->lrh_len);
 331                         /* The header counts only set records */
 332                         i--;
 333                 }
 334                 if (last_idx + 1 != idx) {
 335                         printf("Previous index is %d, current %d, offset %lu\n",
 336                                last_idx, idx, offset);
 337                 }
 338                 last_idx = idx;
 339
 340                 ptr += __le32_to_cpu(cur_rec->lrh_len);
 341                 if ((ptr - file_buf) > file_size) {
 342                         printf("The log is corrupt (too big at %d)\n", i);
 343                         rc = -EINVAL;
 344                         goto clear_recs_buf;
 345                 }
 346                 i++;
 347         }
 348
 349         *recs = recs_pr;
 350         *recs_number = recs_num;
 351 out:
 352         return rc;
 353
 354 clear_recs_buf:
 355         free(recs_buf);
 356
 357 clear_file_buf:
 358         free(file_buf);
 359
 360         *llog = NULL;
 361         goto out;
 362 }
 363
 364 void llog_unpack_buffer(int fd, struct llog_log_hdr *llog_buf,
 365                         struct llog_rec_hdr **recs_buf)
 366 {
 367         if (llog_buf)
 368                 free(llog_buf);
 369         if (recs_buf)
 370                 free(recs_buf);
 371 }
 372
 373 void print_llog_header(struct llog_log_hdr *llog_buf)
 374 {
 375         time_t t;
 376         unsigned int lrh_len = __le32_to_cpu(llog_buf->llh_hdr.lrh_len);
 377         struct llog_rec_tail *tail = ((struct llog_rec_tail *)((char *)llog_buf+
 378                                  lrh_len - sizeof(llog_buf->llh_tail)));
 379
 380         printf("Header size : %u\t llh_size : %u\n", lrh_len,
 381                __le32_to_cpu(llog_buf->llh_size));
 382
 383         t = __le64_to_cpu(llog_buf->llh_timestamp);
 384         printf("Time : %s", ctime(&t));
 385
 386         printf("Number of records: %u\tcat_idx: %u\tlast_idx: %u\n",
 387                __le32_to_cpu(llog_buf->llh_count)-1,
 388                __le32_to_cpu(llog_buf->llh_cat_idx),
 389                __le32_to_cpu(tail->lrt_index));
 390
 391         printf("Target uuid : %s\n",
 392                (char *)(&llog_buf->llh_tgtuuid));
 393
 394         /* Add the other info you want to view here */
 395
 396         printf("-----------------------\n");
 397 }
 398
 399 static void print_1_cfg(struct lustre_cfg *lcfg)
 400 {
 401         int i;
 402
 403         if (lcfg->lcfg_nid)
 404                 printf("nid=%s(%#jx)  ", libcfs_nid2str(lcfg->lcfg_nid),
 405                        (uintmax_t)lcfg->lcfg_nid);
 406         if (lcfg->lcfg_nal)
 407                 printf("nal=%d ", lcfg->lcfg_nal);
 408         for (i = 0; i <  lcfg->lcfg_bufcount; i++)
 409                 printf("%d:%.*s  ", i, lcfg->lcfg_buflens[i],
 410                        (char *)lustre_cfg_buf(lcfg, i));
 411 }
 412
 413 static char *lustre_cfg_string(struct lustre_cfg *lcfg, __u32 index)
 414 {
 415         char *s;
 416
 417         if (lcfg->lcfg_buflens[index] == 0)
 418                 return NULL;
 419
 420         s = lustre_cfg_buf(lcfg, index);
 421         if (!s)
 422                 return NULL;
 423
 424         /*
 425          * make sure it's NULL terminated, even if this kills a char
 426          * of data. Try to use the padding first though.
 427          */
 428         if (s[lcfg->lcfg_buflens[index] - 1] != '\0') {
 429                 size_t last = __ALIGN_KERNEL(lcfg->lcfg_buflens[index], 8) - 1;
 430                 char lost;
 431
 432                 /* Use the smaller value */
 433                 if (last > lcfg->lcfg_buflens[index])
 434                         last = lcfg->lcfg_buflens[index];
 435
 436                 lost = s[last];
 437                 s[last] = '\0';
 438                 if (lost != '\0') {
 439                         fprintf(stderr,
 440                                 "Truncated buf %d to '%s' (lost '%c'...)\n",
 441                                 index, s, lost);
 442                 }
 443         }
 444         return s;
 445 }
 446
 447 static void print_setup_cfg(struct lustre_cfg *lcfg)
 448 {
 449         struct lov_desc *desc;
 450
 451         if ((lcfg->lcfg_bufcount == 2) &&
 452             (lcfg->lcfg_buflens[1] == sizeof(*desc))) {
 453                 printf("lov_setup ");
 454                 printf("0:%s  ", lustre_cfg_string(lcfg, 0));
 455                 printf("1:(struct lov_desc)\n");
 456                 desc = (struct lov_desc *)(lustre_cfg_string(lcfg, 1));
 457                 printf("\t\tuuid=%s  ", (char *)desc->ld_uuid.uuid);
 458                 printf("stripe:cnt=%u ", desc->ld_default_stripe_count);
 459                 printf("size=%ju ", (uintmax_t)desc->ld_default_stripe_size);
 460                 printf("offset=%ju ",
 461                        (uintmax_t)desc->ld_default_stripe_offset);
 462                 printf("pattern=%#x", desc->ld_pattern);
 463         } else {
 464                 printf("setup     ");
 465                 print_1_cfg(lcfg);
 466         }
 467 }
 468
 469 void print_lustre_cfg(struct lustre_cfg *lcfg, int *skip)
 470 {
 471         enum lcfg_command_type cmd = __le32_to_cpu(lcfg->lcfg_command);
 472
 473         if (*skip > 0)
 474                 printf("SKIP ");
 475
 476         switch (cmd) {
 477         case(LCFG_ATTACH):{
 478                 printf("attach    ");
 479                 print_1_cfg(lcfg);
 480                 break;
 481         }
 482         case(LCFG_SETUP):{
 483                 print_setup_cfg(lcfg);
 484                 break;
 485         }
 486         case(LCFG_DETACH):{
 487                 printf("detach    ");
 488                 print_1_cfg(lcfg);
 489                 break;
 490         }
 491         case(LCFG_CLEANUP):{
 492                 printf("cleanup   ");
 493                 print_1_cfg(lcfg);
 494                 break;
 495         }
 496         case(LCFG_ADD_UUID):{
 497                 printf("add_uuid  ");
 498                 print_1_cfg(lcfg);
 499                 break;
 500         }
 501         case(LCFG_DEL_UUID):{
 502                 printf("del_uuid  ");
 503                 print_1_cfg(lcfg);
 504                 break;
 505         }
 506         case(LCFG_ADD_CONN):{
 507                 printf("add_conn  ");
 508                 print_1_cfg(lcfg);
 509                 break;
 510         }
 511         case(LCFG_DEL_CONN):{
 512                 printf("del_conn  ");
 513                 print_1_cfg(lcfg);
 514                 break;
 515         }
 516         case(LCFG_LOV_ADD_OBD):{
 517                 printf("lov_modify_tgts add ");
 518                 print_1_cfg(lcfg);
 519                 break;
 520         }
 521         case(LCFG_LOV_DEL_OBD):{
 522                 printf("lov_modify_tgts del ");
 523                 print_1_cfg(lcfg);
 524                 break;
 525         }
 526         case(LCFG_ADD_MDC):{
 527                 printf("modify_mdc_tgts add ");
 528                 print_1_cfg(lcfg);
 529                 break;
 530         }
 531         case(LCFG_DEL_MDC):{
 532                 printf("modify_mdc_tgts del ");
 533                 print_1_cfg(lcfg);
 534                 break;
 535         }
 536         case(LCFG_MOUNTOPT):{
 537                 printf("mount_option ");
 538                 print_1_cfg(lcfg);
 539                 break;
 540         }
 541         case(LCFG_DEL_MOUNTOPT):{
 542                 printf("del_mount_option ");
 543                 print_1_cfg(lcfg);
 544                 break;
 545         }
 546         case(LCFG_SET_TIMEOUT):{
 547                 printf("set_timeout=%d ", lcfg->lcfg_num);
 548                 break;
 549         }
 550         case(LCFG_SET_LDLM_TIMEOUT):{
 551                 printf("set_ldlm_timeout=%d ", lcfg->lcfg_num);
 552                 break;
 553         }
 554         case(LCFG_SET_UPCALL):{
 555                 printf("set_lustre_upcall ");
 556                 print_1_cfg(lcfg);
 557                 break;
 558         }
 559         case(LCFG_PARAM):{
 560                 printf("param ");
 561                 print_1_cfg(lcfg);
 562                 break;
 563         }
 564         case(LCFG_SET_PARAM):{
 565                 printf("set_param ");
 566                 print_1_cfg(lcfg);
 567                 break;
 568         }
 569         case(LCFG_SPTLRPC_CONF):{
 570                 printf("sptlrpc_conf ");
 571                 print_1_cfg(lcfg);
 572                 break;
 573         }
 574         case(LCFG_MARKER):{
 575                 struct cfg_marker *marker = lustre_cfg_buf(lcfg, 1);
 576                 char createtime[26], canceltime[26] = "";
 577                 time_t time_tmp;
 578
 579                 if (marker->cm_flags & CM_START &&
 580                     marker->cm_flags & CM_SKIP) {
 581                         printf("SKIP START ");
 582                         (*skip)++;
 583                 } else if (marker->cm_flags & CM_END) {
 584                         printf("END   ");
 585                         *skip = 0;
 586                 }
 587
 588                 if (marker->cm_flags & CM_EXCLUDE) {
 589                         if (marker->cm_flags & CM_START)
 590                                 printf("EXCLUDE START ");
 591                         else
 592                                 printf("EXCLUDE END   ");
 593                 }
 594
 595                 /*
 596                  * Handle overflow of 32-bit time_t gracefully.
 597                  * The copy to time_tmp is needed in any case to
 598                  * keep the pointer happy, even on 64-bit systems.
 599                  */
 600                 time_tmp = marker->cm_createtime;
 601                 if (time_tmp == marker->cm_createtime) {
 602                         ctime_r(&time_tmp, createtime);
 603                         createtime[strlen(createtime) - 1] = 0;
 604                 } else {
 605                         strcpy(createtime, "in the distant future");
 606                 }
 607
 608                 if (marker->cm_canceltime) {
 609                         /*
 610                          * Like cm_createtime, we try to handle overflow of
 611                          * 32-bit time_t gracefully. The copy to time_tmp
 612                          * is also needed on 64-bit systems to keep the
 613                          * pointer happy, see bug 16771
 614                          */
 615                         time_tmp = marker->cm_canceltime;
 616                         if (time_tmp == marker->cm_canceltime) {
 617                                 ctime_r(&time_tmp, canceltime);
 618                                 canceltime[strlen(canceltime) - 1] = 0;
 619                         } else {
 620                                 strcpy(canceltime, "in the distant future");
 621                         }
 622                 }
 623
 624                 printf("marker %3d (flags=%#04x, v%d.%d.%d.%d) %-15s '%s' %s-%s",
 625                        marker->cm_step, marker->cm_flags,
 626                        OBD_OCD_VERSION_MAJOR(marker->cm_vers),
 627                        OBD_OCD_VERSION_MINOR(marker->cm_vers),
 628                        OBD_OCD_VERSION_PATCH(marker->cm_vers),
 629                        OBD_OCD_VERSION_FIX(marker->cm_vers),
 630                        marker->cm_tgtname, marker->cm_comment,
 631                        createtime, canceltime);
 632                 break;
 633         }
 634         case(LCFG_POOL_NEW):{
 635                 printf("pool new ");
 636                 print_1_cfg(lcfg);
 637                 break;
 638         }
 639         case(LCFG_POOL_ADD):{
 640                 printf("pool add ");
 641                 print_1_cfg(lcfg);
 642                 break;
 643         }
 644         case(LCFG_POOL_REM):{
 645                 printf("pool remove ");
 646                 print_1_cfg(lcfg);
 647                 break;
 648         }
 649         case(LCFG_POOL_DEL):{
 650                 printf("pool destroy ");
 651                 print_1_cfg(lcfg);
 652                 break;
 653         }
 654         default:
 655                 printf("unsupported cmd_code = %x\n", cmd);
 656         }
 657         printf("\n");
 658 }
 659
 660 static void print_hsm_action(struct llog_agent_req_rec *larr)
 661 {
 662         char buf[12];
 663         int sz;
 664
 665         sz = larr->arr_hai.hai_len - sizeof(larr->arr_hai);
 666         printf("lrh=[type=%X len=%d idx=%d] fid="DFID" compound/cookie=%#llx/%#llx status=%s action=%s archive#=%d flags=%#llx create=%llu change=%llu extent=%#llx-%#llx gid=%#llx datalen=%d data=[%s]\n",
 667                larr->arr_hdr.lrh_type,
 668                larr->arr_hdr.lrh_len, larr->arr_hdr.lrh_index,
 669                PFID(&larr->arr_hai.hai_fid),
 670                (unsigned long long)larr->arr_compound_id,
 671                (unsigned long long)larr->arr_hai.hai_cookie,
 672                agent_req_status2name(larr->arr_status),
 673                hsm_copytool_action2name(larr->arr_hai.hai_action),
 674                larr->arr_archive_id,
 675                (unsigned long long)larr->arr_flags,
 676                (unsigned long long)larr->arr_req_create,
 677                (unsigned long long)larr->arr_req_change,
 678                (unsigned long long)larr->arr_hai.hai_extent.offset,
 679                (unsigned long long)larr->arr_hai.hai_extent.length,
 680                (unsigned long long)larr->arr_hai.hai_gid, sz,
 681                hai_dump_data_field(&larr->arr_hai, buf, sizeof(buf)));
 682 }
 683
 684 void print_changelog_rec(struct llog_changelog_rec *rec)
 685 {
 686         time_t secs;
 687         struct tm ts;
 688
 689         secs = __le64_to_cpu(rec->cr.cr_time) >> 30;
 690         gmtime_r(&secs, &ts);
 691         printf("changelog record id:0x%x index:%llu cr_flags:0x%x cr_type:%s(0x%x) date:'%02d:%02d:%02d.%09d %04d.%02d.%02d' target:"DFID,
 692                __le32_to_cpu(rec->cr_hdr.lrh_id),
 693                (unsigned long long)__le64_to_cpu(rec->cr.cr_index),
 694                __le32_to_cpu(rec->cr.cr_flags),
 695                changelog_type2str(__le32_to_cpu(rec->cr.cr_type)),
 696                __le32_to_cpu(rec->cr.cr_type),
 697                ts.tm_hour, ts.tm_min, ts.tm_sec,
 698                (int)(__le64_to_cpu(rec->cr.cr_time) & ((1 << 30) - 1)),
 699                ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
 700                PFID(&rec->cr.cr_tfid));
 701
 702         if (rec->cr.cr_flags & CLF_JOBID) {
 703                 struct changelog_ext_jobid *jid =
 704                         changelog_rec_jobid(&rec->cr);
 705
 706                 if (jid->cr_jobid[0] != '\0')
 707                         printf(" jobid:%s", jid->cr_jobid);
 708         }
 709
 710         if (rec->cr.cr_flags & CLF_EXTRA_FLAGS) {
 711                 struct changelog_ext_extra_flags *ef =
 712                         changelog_rec_extra_flags(&rec->cr);
 713
 714                 printf(" cr_extra_flags:0x%llx",
 715                        (unsigned long long)__le64_to_cpu(ef->cr_extra_flags));
 716
 717                 if (ef->cr_extra_flags & CLFE_UIDGID) {
 718                         struct changelog_ext_uidgid *uidgid =
 719                                 changelog_rec_uidgid(&rec->cr);
 720
 721                         printf(" user:%u:%u",
 722                                __le32_to_cpu(uidgid->cr_uid),
 723                                __le32_to_cpu(uidgid->cr_gid));
 724                 }
 725                 if (ef->cr_extra_flags & CLFE_NID) {
 726                         struct changelog_ext_nid *nid =
 727                                 changelog_rec_nid(&rec->cr);
 728
 729                         printf(" nid:%s",
 730                                libcfs_nid2str(nid->cr_nid));
 731                 }
 732
 733                 if (ef->cr_extra_flags & CLFE_OPEN) {
 734                         struct changelog_ext_openmode *omd =
 735                                 changelog_rec_openmode(&rec->cr);
 736                         char mode[] = "---";
 737
 738                         /* exec mode must be exclusive */
 739                         if (__le32_to_cpu(omd->cr_openflags) & MDS_FMODE_EXEC) {
 740                                 mode[2] = 'x';
 741                         } else {
 742                                 if (__le32_to_cpu(omd->cr_openflags) &
 743                                     MDS_FMODE_READ)
 744                                         mode[0] = 'r';
 745                                 if (__le32_to_cpu(omd->cr_openflags) &
 746                            (MDS_FMODE_WRITE | MDS_OPEN_TRUNC | MDS_OPEN_APPEND))
 747                                         mode[1] = 'w';
 748                         }
 749
 750                         if (strcmp(mode, "---") != 0)
 751                                 printf(" mode:%s", mode);
 752                 }
 753
 754                 if (ef->cr_extra_flags & CLFE_XATTR) {
 755                         struct changelog_ext_xattr *xattr =
 756                                 changelog_rec_xattr(&rec->cr);
 757
 758                         if (xattr->cr_xattr[0] != '\0')
 759                                 printf(" xattr:%s", xattr->cr_xattr);
 760                 }
 761         }
 762
 763         if (rec->cr.cr_namelen)
 764                 printf(" parent:"DFID" name:%.*s", PFID(&rec->cr.cr_pfid),
 765                        __le32_to_cpu(rec->cr.cr_namelen),
 766                        changelog_rec_name(&rec->cr));
 767
 768         if (rec->cr.cr_flags & CLF_RENAME) {
 769                 struct changelog_ext_rename *rnm =
 770                         changelog_rec_rename(&rec->cr);
 771
 772                 if (!fid_is_zero(&rnm->cr_sfid))
 773                         printf(" source_fid:"DFID" source_parent_fid:"DFID
 774                                " %.*s",
 775                                PFID(&rnm->cr_sfid),
 776                                PFID(&rnm->cr_spfid),
 777                                (int)__le32_to_cpu(
 778                                        changelog_rec_snamelen(&rec->cr)),
 779                                changelog_rec_sname(&rec->cr));
 780         }
 781         printf("\n");
 782 }
 783
 784 static void lustre_swab_lu_fid(struct lu_fid *fid)
 785 {
 786         fid->f_seq = __swab64(fid->f_seq);
 787         fid->f_oid = __swab32(fid->f_oid);
 788         fid->f_ver = __swab32(fid->f_ver);
 789 }
 790
 791 static inline size_t
 792 update_op_size(unsigned int param_count)
 793 {
 794         return offsetof(struct update_op, uop_params_off[param_count]);
 795 }
 796
 797
 798 static inline struct update_op *
 799 update_op_next_op(const struct update_op *uop)
 800 {
 801         return (struct update_op *)((char *)uop +
 802                                 update_op_size(uop->uop_param_count));
 803 }
 804
 805 static void lustre_swab_update_ops(struct update_ops *uops,
 806                                    unsigned int op_count)
 807 {
 808         unsigned int i;
 809         unsigned int j;
 810
 811         struct update_op *op =
 812                (struct update_op *)((char *)&uops->uops_op[0]);
 813
 814         for (i = 0; i < op_count; i++, op = update_op_next_op(op)) {
 815                 lustre_swab_lu_fid(&op->uop_fid);
 816                 op->uop_type = __swab16(op->uop_type);
 817                 op->uop_param_count = __swab16(op->uop_param_count);
 818                 for (j = 0; j < op->uop_param_count; j++)
 819                         op->uop_params_off[j] = __swab16(op->uop_params_off[j]);
 820         }
 821 }
 822 static const char *update_op_str(__u16 opc)
 823 {
 824         static const char *opc_str[] = {
 825                 [OUT_START] = "start",
 826                 [OUT_CREATE] = "create",
 827                 [OUT_DESTROY] = "destroy",
 828                 [OUT_REF_ADD] = "ref_add",
 829                 [OUT_REF_DEL] = "ref_del",
 830                 [OUT_ATTR_SET] = "attr_set",
 831                 [OUT_ATTR_GET] = "attr_get",
 832                 [OUT_XATTR_SET] = "xattr_set",
 833                 [OUT_XATTR_GET] = "xattr_get",
 834                 [OUT_XATTR_LIST] = "xattr_list",
 835                 [OUT_INDEX_LOOKUP] = "lookup",
 836                 [OUT_INDEX_INSERT] = "insert",
 837                 [OUT_INDEX_DELETE] = "delete",
 838                 [OUT_WRITE] = "write",
 839                 [OUT_XATTR_DEL] = "xattr_del",
 840                 [OUT_PUNCH] = "punch",
 841                 [OUT_READ] = "read",
 842                 [OUT_NOOP] = "noop",
 843         };
 844
 845         if (opc < (sizeof(opc_str) / sizeof((opc_str)[0])) &&
 846             opc_str[opc] != NULL)
 847                 return opc_str[opc];
 848         else
 849                 return "unknown";
 850 }
 851
 852 char *buf2str(void *buf, unsigned int size)
 853 {
 854         const char *hex = "0123456789ABCDEF";
 855         char *buf_c = buf;
 856         static char string[128];
 857         int i, j = 0;
 858         bool format_hex = false;
 859
 860         if (size > 0 && buf_c[size - 1] == 0)
 861                 size--;
 862         for (i = 0; i < size; i++) {
 863                 if (buf_c[i] >= 0x20 && buf_c[i] <= 0x7E) {
 864                         string[j++] = buf_c[i];
 865                         format_hex = false;
 866                 } else if (j < sizeof(string) - 6) {
 867                         if (!format_hex) {
 868                                 string[j++] = '\\';
 869                                 string[j++] = 'x';
 870                                 format_hex = true;
 871                         }
 872                         string[j++] = hex[(buf_c[i] >> 4) & 0xF];
 873                         string[j++] = hex[buf_c[i] & 0xF];
 874                 } else {
 875                         break;
 876                 }
 877                 if (j == sizeof(string) - 2)
 878                         break;
 879         }
 880         string[j] = 0;
 881         return string;
 882 }
 883
 884 static inline size_t
 885 object_update_param_size(const struct object_update_param *param)
 886 {
 887         return roundup(sizeof(*param) + param->oup_len, sizeof(__u64));
 888 }
 889
 890 void print_update_rec(struct llog_update_record *lur)
 891 {
 892         struct update_records *rec = &lur->lur_update_rec;
 893         unsigned int i, j, up_count, pm_count;
 894         struct update_op *op;
 895         struct object_update_param *pm;
 896
 897         up_count = __le32_to_cpu(rec->ur_update_count);
 898         pm_count = __le32_to_cpu(rec->ur_param_count);
 899         printf("updatelog record master_transno:%llu batchid:%llu flags:0x%x u_index:%d u_count:%d p_count:%d\n",
 900                (unsigned long long)__le64_to_cpu(rec->ur_master_transno),
 901                (unsigned long long)__le64_to_cpu(rec->ur_batchid),
 902                __le32_to_cpu(rec->ur_flags),
 903                __le32_to_cpu(rec->ur_index),
 904                up_count,
 905                pm_count);
 906
 907         op = (struct update_op *)((char *)&rec->ur_ops.uops_op[0] + 0);
 908         if (op->uop_type != __le16_to_cpu(op->uop_type))
 909                 lustre_swab_update_ops(&rec->ur_ops, up_count);
 910
 911         for (i = 0; i < up_count; i++, op = update_op_next_op(op)) {
 912                 printf("\t"DFID" type:%s/%d params:%d ",
 913                        PFID(&op->uop_fid), update_op_str(op->uop_type),
 914                        op->uop_type, op->uop_param_count);
 915                 for (j = 0; j < op->uop_param_count; j++)
 916                         printf("p_%d:%d ", j, op->uop_params_off[j]);
 917                 printf("\n");
 918         }
 919         pm = (struct object_update_param *) op;
 920         for (i = 0; i < pm_count; i++) {
 921                 printf("\tp_%d - %d/%s\n", i, pm->oup_len,
 922                        buf2str(pm->oup_buf, pm->oup_len));
 923                 pm = (struct object_update_param *)((char *)pm +
 924                      object_update_param_size(pm));
 925         }
 926         printf("\n");
 927
 928 }
 929
 930 static void print_unlink_rec(struct llog_unlink_rec *lur)
 931 {
 932         printf("unlink record id:0x%x target %llx:%x:%x\n",
 933                 __le32_to_cpu(lur->lur_hdr.lrh_id),
 934                 (unsigned long long)__le64_to_cpu(lur->lur_oid),
 935                 __le32_to_cpu(lur->lur_oseq),
 936                 __le32_to_cpu(lur->lur_count));
 937 }
 938
 939 static void print_unlink64_rec(struct llog_unlink64_rec *lur)
 940 {
 941         printf("unlink64 record id:0x%x target "DFID"\n",
 942                 __le32_to_cpu(lur->lur_hdr.lrh_id),
 943                 PFID(&lur->lur_fid));
 944 }
 945
 946 static void print_setattr64_rec(struct llog_setattr64_rec *lsr)
 947 {
 948         printf("setattr64 record id:0x%x target "DFID" valid %llx uid %u:%u gid %u:%u\n",
 949                 __le32_to_cpu(lsr->lsr_hdr.lrh_id),
 950                 PFID(&lsr->lsr_oi.oi_fid),
 951                 (unsigned long long)__le64_to_cpu(lsr->lsr_valid),
 952                 __le32_to_cpu(lsr->lsr_uid_h),
 953                 __le32_to_cpu(lsr->lsr_uid),
 954                 __le32_to_cpu(lsr->lsr_gid_h),
 955                 __le32_to_cpu(lsr->lsr_gid));
 956 }
 957
 958 static void print_setattr64_rec_v2(struct llog_setattr64_rec_v2 *lsr)
 959 {
 960         printf("setattr64 v2 record id:0x%x target "DFID" valid %llx uid %u:%u gid %u:%u prj %u\n",
 961                 __le32_to_cpu(lsr->lsr_hdr.lrh_id),
 962                 PFID(&lsr->lsr_oi.oi_fid),
 963                 (unsigned long long)__le64_to_cpu(lsr->lsr_valid),
 964                 __le32_to_cpu(lsr->lsr_uid_h),
 965                 __le32_to_cpu(lsr->lsr_uid),
 966                 __le32_to_cpu(lsr->lsr_gid_h),
 967                 __le32_to_cpu(lsr->lsr_gid),
 968                 __le32_to_cpu(lsr->lsr_projid));
 969 }
 970
 971
 972 static void print_records(struct llog_rec_hdr **recs,
 973                           int rec_number, int is_ext)
 974 {
 975         __u32 lopt;
 976         int i, skip = 0;
 977
 978         for (i = 0; i < rec_number; i++) {
 979                 if (!recs[i]) {
 980                         llapi_printf(LLAPI_MSG_NORMAL,
 981                                      "uninitialized llog record at index %d\n",
 982                                      i);
 983                         break;
 984                 }
 985                 printf("#%.2d (%.3d)", __le32_to_cpu(recs[i]->lrh_index),
 986                        __le32_to_cpu(recs[i]->lrh_len));
 987
 988                 lopt = __le32_to_cpu(recs[i]->lrh_type);
 989
 990                 if (recs[i]->lrh_id == CANCELLED)
 991                         printf("NOT SET ");
 992
 993                 switch (lopt) {
 994                 case OBD_CFG_REC:
 995                         print_lustre_cfg(
 996                                 (struct lustre_cfg *)((char *)(recs[i]) +
 997                                 sizeof(struct llog_rec_hdr)), &skip);
 998                         break;
 999                 case LLOG_PAD_MAGIC:
1000                         printf("padding\n");
1001                         break;
1002                 case LLOG_LOGID_MAGIC:
1003                         print_log_path((struct llog_logid_rec *)recs[i],
1004                                        is_ext);
1005                         break;
1006                 case HSM_AGENT_REC:
1007                         print_hsm_action((struct llog_agent_req_rec *)recs[i]);
1008                         break;
1009                 case CHANGELOG_REC:
1010                         print_changelog_rec((struct llog_changelog_rec *)
1011                                             recs[i]);
1012                         break;
1013                 case CHANGELOG_USER_REC:
1014                 case CHANGELOG_USER_REC2:
1015                         printf("changelog_user record id:0x%x\n",
1016                                __le32_to_cpu(recs[i]->lrh_id));
1017                         break;
1018                 case UPDATE_REC:
1019                         print_update_rec((struct llog_update_record *)recs[i]);
1020                         break;
1021                 case MDS_UNLINK_REC:
1022                         print_unlink_rec((struct llog_unlink_rec *)recs[i]);
1023                         break;
1024                 case MDS_UNLINK64_REC:
1025                         print_unlink64_rec((struct llog_unlink64_rec *)recs[i]);
1026                         break;
1027                 case MDS_SETATTR64_REC:
1028                         if (__le32_to_cpu(recs[i]->lrh_len) >
1029                                 sizeof(struct llog_setattr64_rec)) {
1030                                 print_setattr64_rec_v2(
1031                                   (struct llog_setattr64_rec_v2 *)recs[i]);
1032                         } else {
1033                                 print_setattr64_rec(
1034                                         (struct llog_setattr64_rec *)recs[i]);
1035                         }
1036                         break;
1037                 default:
1038                         printf("unknown type %x\n", lopt);
1039                         break;
1040                 }
1041         }
1042 }
1043
1044 /** @} llog_reader */