granicus.if.org Git - sysstat/blob - sa_conv.c

   1 /*
   2  * sa_conv.c: Convert an old format sa file to the up-to-date format.
   3  * (C) 1999-2017 by Sebastien GODARD (sysstat <at> orange.fr)
   4  *
   5  ***************************************************************************
   6  * This program is free software; you can redistribute it and/or modify it *
   7  * under the terms of the GNU General Public License as published  by  the *
   8  * Free Software Foundation; either version 2 of the License, or (at  your *
   9  * option) any later version.                                              *
  10  *                                                                         *
  11  * This program is distributed in the hope that it  will  be  useful,  but *
  12  * WITHOUT ANY WARRANTY; without the implied warranty  of  MERCHANTABILITY *
  13  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License *
  14  * for more details.                                                       *
  15  *                                                                         *
  16  * You should have received a copy of the GNU General Public License along *
  17  * with this program; if not, write to the Free Software Foundation, Inc., *
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA              *
  19  ***************************************************************************
  20  */
  21
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include <stdlib.h>
  25 #include <unistd.h>
  26 #include <errno.h>
  27
  28 #include "version.h"
  29 #include "sadf.h"
  30 #include "sa.h"
  31 #include "sa_conv.h"
  32
  33 #ifdef USE_NLS
  34 # include <locale.h>
  35 # include <libintl.h>
  36 # define _(string) gettext(string)
  37 #else
  38 # define _(string) (string)
  39 #endif
  40
  41 extern int endian_mismatch;
  42
  43 /*
  44  ***************************************************************************
  45  * Read and upgrade file's magic data section.
  46  *
  47  * IN:
  48  * @dfile               System activity data file name.
  49  * @stdfd               File descriptor for STDOUT.
  50  *
  51  * OUT:
  52  * @fd                  File descriptor for sa datafile to convert.
  53  * @file_magic          Pointer on file_magic structure.
  54  * @previous_format     TRUE is sa datafile has an old format which is no
  55  *                      longer compatible with current one.
  56  *
  57  * RETURNS:
  58  * -1 on error, 0 otherwise.
  59  ***************************************************************************
  60  */
  61 int upgrade_magic_section(char dfile[], int *fd, int stdfd,
  62                           struct file_magic *file_magic, int *previous_format)
  63 {
  64         struct file_magic fm;
  65
  66         /* Open and read sa magic structure */
  67         sa_open_read_magic(fd, dfile, file_magic, TRUE, &endian_mismatch);
  68
  69         if ((file_magic->format_magic != FORMAT_MAGIC) &&
  70             (file_magic->format_magic != PREVIOUS_FORMAT_MAGIC)) {
  71                 fprintf(stderr, _("Cannot convert the format of this file\n"));
  72                 return -1;
  73         }
  74
  75         fprintf(stderr, "file_magic: ");
  76         if (file_magic->format_magic == PREVIOUS_FORMAT_MAGIC) {
  77                 /*
  78                  * We have read too many bytes: file_magic structure
  79                  * was smaller with previous sysstat versions.
  80                  * Go back 4 (unsigned int header_size) + 64 (char pad[64]) bytes.
  81                  */
  82                 if (lseek(*fd, -68, SEEK_CUR) < 0) {
  83                         fprintf(stderr, "\nlseek: %s\n", strerror(errno));
  84                         return -1;
  85                 }
  86                 /* Set format magic number to that of current version */
  87                 *previous_format = TRUE;
  88                 file_magic->format_magic = FORMAT_MAGIC;
  89
  90                 /* Fill new structure members */
  91                 file_magic->header_size = FILE_HEADER_SIZE;
  92                 memset(file_magic->pad, 0, sizeof(unsigned char) * FILE_MAGIC_PADDING);
  93         }
  94
  95         /* Indicate that file has been upgraded */
  96         enum_version_nr(&fm);
  97         file_magic->upgraded = (fm.sysstat_patchlevel << 4) +
  98                                fm.sysstat_sublevel + 1;
  99
 100         /* Write file_magic structure */
 101         if (write(stdfd, file_magic, FILE_MAGIC_SIZE) != FILE_MAGIC_SIZE) {
 102                 fprintf(stderr, "\nwrite: %s\n", strerror(errno));
 103                 return -1;
 104         }
 105         fprintf(stderr, "OK\n");
 106
 107         return 0;
 108 }
 109
 110 /*
 111  ***************************************************************************
 112  * Upgrade file_header structure (from 0x2171 format to current format).
 113  *
 114  * IN:
 115  * @buffer      Pointer on file's header structure (as read from file).
 116  *
 117  * OUT:
 118  * @file_hdr    Pointer on file_header structure (up-to-date format).
 119  ***************************************************************************
 120  */
 121 void upgrade_file_header(void *buffer, struct file_header *file_hdr)
 122 {
 123         struct file_header_2171 *f_hdr = (struct file_header_2171 *) buffer;
 124
 125         file_hdr->sa_ust_time = f_hdr->sa_ust_time;
 126         file_hdr->sa_act_nr = f_hdr->sa_act_nr;
 127         file_hdr->sa_day = f_hdr->sa_day;
 128         file_hdr->sa_month = f_hdr->sa_month;
 129         file_hdr->sa_year = f_hdr->sa_year;
 130         file_hdr->sa_sizeof_long = f_hdr->sa_sizeof_long;
 131         strncpy(file_hdr->sa_sysname, f_hdr->sa_sysname, UTSNAME_LEN);
 132         file_hdr->sa_sysname[UTSNAME_LEN - 1] = '\0';
 133         strncpy(file_hdr->sa_nodename, f_hdr->sa_nodename, UTSNAME_LEN);
 134         file_hdr->sa_nodename[UTSNAME_LEN - 1] = '\0';
 135         strncpy(file_hdr->sa_release, f_hdr->sa_release, UTSNAME_LEN);
 136         file_hdr->sa_release[UTSNAME_LEN - 1] = '\0';
 137         strncpy(file_hdr->sa_machine, f_hdr->sa_machine, UTSNAME_LEN);
 138         file_hdr->sa_machine[UTSNAME_LEN - 1] = '\0';
 139         /* The last two values below will be updated later */
 140         file_hdr->sa_vol_act_nr = 0;
 141         file_hdr->sa_last_cpu_nr = 0;
 142 }
 143
 144 /*
 145  ***************************************************************************
 146  * Upgrade stats_io structure (from ACTIVITY_MAGIC_BASE format to
 147  * ACTIVITY_MAGIC_BASE + 1 format).
 148  *
 149  * IN:
 150  * @act         Array of activities.
 151  * @p           Position of activity in array.
 152  ***************************************************************************
 153  */
 154 void upgrade_stats_io(struct activity *act[], int p)
 155 {
 156         struct stats_io *sic = (struct stats_io *) act[p]->buf[1];
 157         struct stats_io_8a *sip = (struct stats_io_8a *) act[p]->buf[0];
 158
 159         sic->dk_drive = (unsigned long long) sip->dk_drive;
 160         sic->dk_drive_rio = (unsigned long long) sip->dk_drive_rio;
 161         sic->dk_drive_wio = (unsigned long long) sip->dk_drive_wio;
 162         sic->dk_drive_rblk = (unsigned long long) sip->dk_drive_rblk;
 163         sic->dk_drive_wblk = (unsigned long long) sip->dk_drive_wblk;
 164 }
 165
 166 /*
 167  ***************************************************************************
 168  * Upgrade stats_queue structure (from ACTIVITY_MAGIC_BASE format to
 169  * ACTIVITY_MAGIC_BASE + 1 format).
 170  *
 171  * IN:
 172  * @act         Array of activities.
 173  * @p           Position of activity in array.
 174  ***************************************************************************
 175  */
 176 void upgrade_stats_queue(struct activity *act[], int p)
 177 {
 178         struct stats_queue *sqc = (struct stats_queue *) act[p]->buf[1];
 179         struct stats_queue_8a *sqp = (struct stats_queue_8a *) act[p]->buf[0];
 180
 181         sqc->nr_running = sqp->nr_running;
 182         sqc->procs_blocked = 0; /* New field */
 183         sqc->load_avg_1 = sqp->load_avg_1;
 184         sqc->load_avg_5 = sqp->load_avg_5;
 185         sqc->load_avg_15 = sqp->load_avg_15;
 186         sqc->nr_threads = sqp->nr_threads;
 187 }
 188
 189 /*
 190  ***************************************************************************
 191  * Upgrade stats_disk structure (from ACTIVITY_MAGIC_BASE format to
 192  * ACTIVITY_MAGIC_BASE + 1 format).
 193  *
 194  * IN:
 195  * @act         Array of activities.
 196  * @p           Position of activity in array.
 197  ***************************************************************************
 198  */
 199 void upgrade_stats_disk(struct activity *act[], int p)
 200 {
 201         int i;
 202         struct stats_disk *sdc;
 203         struct stats_disk_8a *sdp;
 204
 205         for (i = 0; i < act[p]->nr; i++) {
 206                 sdp = (struct stats_disk_8a *) ((char *) act[p]->buf[0] + i * act[p]->msize);
 207                 sdc = (struct stats_disk *)    ((char *) act[p]->buf[1] + i * act[p]->fsize);
 208
 209                 sdc->nr_ios = (unsigned long long) sdp->nr_ios;
 210                 sdc->rd_sect = (unsigned long) sdp->rd_sect;
 211                 sdc->wr_sect = (unsigned long) sdp->wr_sect;
 212                 sdc->rd_ticks = (unsigned int) sdp->rd_ticks;
 213                 sdc->wr_ticks = (unsigned int) sdp->wr_ticks;
 214                 sdc->tot_ticks = (unsigned int) sdp->tot_ticks;
 215                 sdc->rq_ticks = (unsigned int) sdp->rq_ticks;
 216                 sdc->major = sdp->major;
 217                 sdc->minor = sdp->minor;
 218         }
 219 }
 220
 221 /*
 222  ***************************************************************************
 223  * Upgrade stats_net_dev structure (from ACTIVITY_MAGIC_BASE or
 224  * ACTIVITY_MAGIC_BASE + 1 format to ACTIVITY_MAGIC_BASE + 2 format).
 225  *
 226  * IN:
 227  * @act         Array of activities.
 228  * @p           Position of activity in array.
 229  * @m_format    Structure format magic value.
 230  ***************************************************************************
 231  */
 232 void upgrade_stats_net_dev(struct activity *act[], int p, unsigned int m_format)
 233 {
 234         int i;
 235         struct stats_net_dev *sndc;
 236
 237         if (m_format == ACTIVITY_MAGIC_BASE) {
 238                 struct stats_net_dev_8a *sndp_a;
 239
 240                 for (i = 0; i < act[p]->nr; i++) {
 241                         sndp_a = (struct stats_net_dev_8a *) ((char *) act[p]->buf[0] + i * act[p]->msize);
 242                         sndc = (struct stats_net_dev *) ((char *) act[p]->buf[1] + i * act[p]->fsize);
 243
 244                         sndc->rx_packets = (unsigned long long) sndp_a->rx_packets;
 245                         sndc->tx_packets = (unsigned long long) sndp_a->tx_packets;
 246                         sndc->rx_bytes = (unsigned long long) sndp_a->rx_bytes;
 247                         sndc->tx_bytes = (unsigned long long) sndp_a->tx_bytes;
 248                         sndc->rx_compressed = (unsigned long long) sndp_a->rx_compressed;
 249                         sndc->tx_compressed = (unsigned long long) sndp_a->tx_compressed;
 250                         sndc->multicast = (unsigned long long) sndp_a->multicast;
 251                         sndc->speed = 0; /* New field */
 252                         strncpy(sndc->interface, sndp_a->interface, MAX_IFACE_LEN);
 253                         sndc->interface[MAX_IFACE_LEN - 1] = '\0';
 254                         sndc->duplex = '\0'; /* New field */
 255                 }
 256         }
 257         else {
 258                 struct stats_net_dev_8b *sndp_b;
 259
 260                 for (i = 0; i < act[p]->nr; i++) {
 261                         sndp_b = (struct stats_net_dev_8b *) ((char *) act[p]->buf[0] + i * act[p]->msize);
 262                         sndc = (struct stats_net_dev *) ((char *) act[p]->buf[1] + i * act[p]->fsize);
 263
 264                         sndc->rx_packets = sndp_b->rx_packets;
 265                         sndc->tx_packets = sndp_b->tx_packets;
 266                         sndc->rx_bytes = sndp_b->rx_bytes;
 267                         sndc->tx_bytes = sndp_b->tx_bytes;
 268                         sndc->rx_compressed = sndp_b->rx_compressed;
 269                         sndc->tx_compressed = sndp_b->tx_compressed;
 270                         sndc->multicast = sndp_b->multicast;
 271                         sndc->speed = 0; /* New field */
 272                         strncpy(sndc->interface, sndp_b->interface, MAX_IFACE_LEN);
 273                         sndc->interface[MAX_IFACE_LEN - 1] = '\0';
 274                         sndc->duplex = '\0'; /* New field */
 275                 }
 276         }
 277 }
 278
 279 /*
 280  ***************************************************************************
 281  * Upgrade stats_net_edev structure (from ACTIVITY_MAGIC_BASE format to
 282  * ACTIVITY_MAGIC_BASE + 1 format).
 283  *
 284  * IN:
 285  * @act         Array of activities.
 286  * @p           Position of activity in array.
 287  ***************************************************************************
 288  */
 289 void upgrade_stats_net_edev(struct activity *act[], int p)
 290 {
 291         int i;
 292         struct stats_net_edev *snedc;
 293         struct stats_net_edev_8a *snedp;
 294
 295         for (i = 0; i < act[p]->nr; i++) {
 296                 snedp = (struct stats_net_edev_8a *) ((char *) act[p]->buf[0] + i * act[p]->msize);
 297                 snedc = (struct stats_net_edev *) ((char *) act[p]->buf[1] + i * act[p]->fsize);
 298
 299                 snedc->collisions = (unsigned long long) snedp->collisions;
 300                 snedc->rx_errors = (unsigned long long) snedp->rx_errors;
 301                 snedc->tx_errors = (unsigned long long) snedp->tx_errors;
 302                 snedc->rx_dropped = (unsigned long long) snedp->rx_dropped;
 303                 snedc->tx_dropped = (unsigned long long) snedp->tx_dropped;
 304                 snedc->rx_fifo_errors = (unsigned long long) snedp->rx_fifo_errors;
 305                 snedc->tx_fifo_errors = (unsigned long long) snedp->tx_fifo_errors;
 306                 snedc->rx_frame_errors = (unsigned long long) snedp->rx_frame_errors;
 307                 snedc->tx_carrier_errors = (unsigned long long) snedp->tx_carrier_errors;
 308                 strncpy(snedc->interface, snedp->interface, MAX_IFACE_LEN);
 309                 snedc->interface[MAX_IFACE_LEN - 1] = '\0';
 310         }
 311 }
 312
 313 /*
 314  ***************************************************************************
 315  * Upgrade stats_net_ip structure (from ACTIVITY_MAGIC_BASE format to
 316  * ACTIVITY_MAGIC_BASE + 1 format).
 317  *
 318  * IN:
 319  * @act         Array of activities.
 320  * @p           Position of activity in array.
 321  ***************************************************************************
 322  */
 323 void upgrade_stats_net_ip(struct activity *act[], int p)
 324 {
 325         struct stats_net_ip *snic = (struct stats_net_ip *) act[p]->buf[1];
 326         struct stats_net_ip_8a *snip = (struct stats_net_ip_8a *) act[p]->buf[0];
 327
 328         snic->InReceives = (unsigned long long) snip->InReceives;
 329         snic->ForwDatagrams = (unsigned long long) snip->ForwDatagrams;
 330         snic->InDelivers = (unsigned long long) snip->InDelivers;
 331         snic->OutRequests = (unsigned long long) snip->OutRequests;
 332         snic->ReasmReqds = (unsigned long long) snip->ReasmReqds;
 333         snic->ReasmOKs = (unsigned long long) snip->ReasmOKs;
 334         snic->FragOKs = (unsigned long long) snip->FragOKs;
 335         snic->FragCreates = (unsigned long long) snip->FragCreates;
 336 }
 337
 338 /*
 339  ***************************************************************************
 340  * Upgrade stats_net_eip structure (from ACTIVITY_MAGIC_BASE format to
 341  * ACTIVITY_MAGIC_BASE + 1 format).
 342  *
 343  * IN:
 344  * @act         Array of activities.
 345  * @p           Position of activity in array.
 346  ***************************************************************************
 347  */
 348 void upgrade_stats_net_eip(struct activity *act[], int p)
 349 {
 350         struct stats_net_eip *sneic = (struct stats_net_eip *) act[p]->buf[1];
 351         struct stats_net_eip_8a *sneip = (struct stats_net_eip_8a *) act[p]->buf[0];
 352
 353         sneic->InHdrErrors = (unsigned long long) sneip->InHdrErrors;
 354         sneic->InAddrErrors = (unsigned long long) sneip->InAddrErrors;
 355         sneic->InUnknownProtos = (unsigned long long) sneip->InUnknownProtos;
 356         sneic->InDiscards = (unsigned long long) sneip->InDiscards;
 357         sneic->OutDiscards = (unsigned long long) sneip->OutDiscards;
 358         sneic->OutNoRoutes = (unsigned long long) sneip->OutNoRoutes;
 359         sneic->ReasmFails = (unsigned long long) sneip->ReasmFails;
 360         sneic->FragFails = (unsigned long long) sneip->FragFails;
 361 }
 362
 363 /*
 364  ***************************************************************************
 365  * Upgrade stats_net_ip6 structure (from ACTIVITY_MAGIC_BASE format to
 366  * ACTIVITY_MAGIC_BASE + 1 format).
 367  *
 368  * IN:
 369  * @act         Array of activities.
 370  * @p           Position of activity in array.
 371  ***************************************************************************
 372  */
 373 void upgrade_stats_net_ip6(struct activity *act[], int p)
 374 {
 375         struct stats_net_ip6 *snic6 = (struct stats_net_ip6 *) act[p]->buf[1];
 376         struct stats_net_ip6_8a *snip6 = (struct stats_net_ip6_8a *) act[p]->buf[0];
 377
 378         snic6->InReceives6 = (unsigned long long) snip6->InReceives6;
 379         snic6->OutForwDatagrams6 = (unsigned long long) snip6->OutForwDatagrams6;
 380         snic6->InDelivers6 = (unsigned long long) snip6->InDelivers6;
 381         snic6->OutRequests6 = (unsigned long long) snip6->OutRequests6;
 382         snic6->ReasmReqds6 = (unsigned long long) snip6->ReasmReqds6;
 383         snic6->ReasmOKs6 = (unsigned long long) snip6->ReasmOKs6;
 384         snic6->InMcastPkts6 = (unsigned long long) snip6->InMcastPkts6;
 385         snic6->OutMcastPkts6 = (unsigned long long) snip6->OutMcastPkts6;
 386         snic6->FragOKs6 = (unsigned long long) snip6->FragOKs6;
 387         snic6->FragCreates6 = (unsigned long long) snip6->FragCreates6;
 388 }
 389
 390 /*
 391  ***************************************************************************
 392  * Upgrade stats_net_eip6 structure (from ACTIVITY_MAGIC_BASE format to
 393  * ACTIVITY_MAGIC_BASE + 1 format).
 394  *
 395  * IN:
 396  * @act         Array of activities.
 397  * @p           Position of activity in array.
 398  ***************************************************************************
 399  */
 400 void upgrade_stats_net_eip6(struct activity *act[], int p)
 401 {
 402         struct stats_net_eip6 *sneic6 = (struct stats_net_eip6 *) act[p]->buf[1];
 403         struct stats_net_eip6_8a *sneip6 = (struct stats_net_eip6_8a *) act[p]->buf[0];
 404
 405         sneic6->InHdrErrors6 = (unsigned long long) sneip6->InHdrErrors6;
 406         sneic6->InAddrErrors6 = (unsigned long long) sneip6->InAddrErrors6;
 407         sneic6->InUnknownProtos6 = (unsigned long long) sneip6->InUnknownProtos6;
 408         sneic6->InTooBigErrors6 = (unsigned long long) sneip6->InTooBigErrors6;
 409         sneic6->InDiscards6 = (unsigned long long) sneip6->InDiscards6;
 410         sneic6->OutDiscards6 = (unsigned long long) sneip6->OutDiscards6;
 411         sneic6->InNoRoutes6 = (unsigned long long) sneip6->InNoRoutes6;
 412         sneic6->OutNoRoutes6 = (unsigned long long) sneip6->OutNoRoutes6;
 413         sneic6->ReasmFails6 = (unsigned long long) sneip6->ReasmFails6;
 414         sneic6->FragFails6 = (unsigned long long) sneip6->FragFails6;
 415         sneic6->InTruncatedPkts6 = (unsigned long long) sneip6->InTruncatedPkts6;
 416 }
 417
 418 /*
 419  ***************************************************************************
 420  * Read and upgrade file's header section.
 421  *
 422  * IN:
 423  * @dfile               System activity data file name.
 424  * @fd                  File descriptor for sa datafile to convert.
 425  * @stdfd               File descriptor for STDOUT.
 426  * @act                 Array of activities.
 427  * @file_magic          Pointer on file_magic structure.
 428  * @previous_format     TRUE is sa datafile has an old format which is no
 429  *                      longer compatible with current one.
 430  *
 431  * OUT:
 432  * @file_hdr            Pointer on file_header structure.
 433  * @file_actlst         Activity list in file.
 434  * @vol_id_seq          Sequence of volatile activities.
 435  *
 436  * RETURNS:
 437  * -1 on error, 0 otherwise.
 438 ***************************************************************************
 439  */
 440 int upgrade_header_section(char dfile[], int fd, int stdfd,
 441                            struct activity *act[], struct file_magic *file_magic,
 442                            struct file_header *file_hdr, int previous_format,
 443                            struct file_activity **file_actlst, unsigned int vol_id_seq[])
 444 {
 445         int i, j, n, p;
 446         unsigned int a_cpu = FALSE;
 447         void *buffer = NULL;
 448         struct file_activity *fal;
 449
 450         /* Read file header structure */
 451         fprintf(stderr, "file_header: ");
 452
 453         if (previous_format) {
 454                 /* Previous format had 2 unsigned int less */
 455                 n = FILE_HEADER_SIZE - 8;
 456         }
 457         else {
 458                 n = file_magic->header_size;
 459         }
 460
 461         SREALLOC(buffer, char, n);
 462
 463         sa_fread(fd, buffer, n, HARD_SIZE);
 464
 465         if (previous_format) {
 466                 /* Upgrade file_header structure */
 467                 upgrade_file_header(buffer, file_hdr);
 468         }
 469         else {
 470                 memcpy(file_hdr, buffer, MINIMUM(n, FILE_HEADER_SIZE));
 471         }
 472
 473         free(buffer);
 474
 475         /* Sanity check */
 476         if (file_hdr->sa_act_nr > MAX_NR_ACT)
 477                 goto invalid_header;
 478
 479         /* Read file activity list */
 480         SREALLOC(*file_actlst, struct file_activity, FILE_ACTIVITY_SIZE * file_hdr->sa_act_nr);
 481         fal = *file_actlst;
 482
 483         j = 0;
 484         for (i = 0; i < file_hdr->sa_act_nr; i++, fal++) {
 485
 486                 sa_fread(fd, fal, FILE_ACTIVITY_SIZE, HARD_SIZE);
 487
 488                 if ((fal->nr < 1) || (fal->nr2 < 1))
 489                         /*
 490                          * Every activity, known or unknown,
 491                          * should have at least one item and sub-item.
 492                          */
 493                         goto invalid_header;
 494
 495                 if ((p = get_activity_position(act, fal->id, RESUME_IF_NOT_FOUND)) >= 0) {
 496                         /* This is a known activity, maybe with an unknown format */
 497
 498                         if (IS_VOLATILE(act[p]->options) && previous_format) {
 499                                 /*
 500                                  * Current activity is known by current version
 501                                  * as a volatile one: So increment the number of
 502                                  * volatile activities in file's header (but only
 503                                  * for old format data files, since up-to-date
 504                                  * format data files already have the right value here).
 505                                  */
 506                                 file_hdr->sa_vol_act_nr += 1;
 507
 508                                 /*
 509                                  * Create the sequence of volatile activities.
 510                                  * Used only for old format datafiles.
 511                                  * For new format datafiles, this is not necessary
 512                                  * since this sequence already exists following
 513                                  * the RESTART record.
 514                                  */
 515                                 vol_id_seq[j++] = act[p]->id;
 516                         }
 517
 518                         if (fal->id == A_CPU) {
 519                                 /*
 520                                  * Old format data files don't know volatile
 521                                  * activities. The number of CPU is a constant
 522                                  * all along the file.
 523                                  */
 524                                 if (previous_format) {
 525                                         file_hdr->sa_last_cpu_nr = fal->nr;
 526                                 }
 527                                 a_cpu = TRUE;
 528                         }
 529
 530                         /* Size of an activity cannot be zero */
 531                         if (!fal->size)
 532                                 goto invalid_header;
 533
 534                         /* Size of activity in file is larger than up-to-date activity size */
 535                         if (fal->size > act[p]->msize) {
 536                                 act[p]->msize = fal->size;
 537                         }
 538
 539                         /*
 540                          * When upgrading a file:
 541                          * fal->size    : Size of an item for current activity, as
 542                          *                read from the file.
 543                          * act[p]->msize: Size of the buffer in memory where an item
 544                          *                for current activity, as read from the file,
 545                          *                will be saved. We have:
 546                          *                act[p]->msize >= {fal->size ; act[p]->fsize}
 547                          * act[p]->fsize: Size of an item for current activity with
 548                          *                up-to-date format.
 549                          */
 550                         act[p]->nr    = fal->nr;
 551                         act[p]->nr2   = fal->nr2;
 552                         /*
 553                          * Don't set act[p]->fsize! Should retain the size of an item
 554                          * for up-to-date format!
 555                          */
 556                 }
 557         }
 558
 559         if (!a_cpu) {
 560                 /*
 561                  * CPU activity should always be in file
 562                  * and have a known format (expected magical number).
 563                  */
 564                 fprintf(stderr, _("\nCPU activity not found in file. Aborting...\n"));
 565                 return -1;
 566         }
 567
 568         /* Write file_header structure */
 569         if ((n = write(stdfd, file_hdr, FILE_HEADER_SIZE)) != FILE_HEADER_SIZE) {
 570                 fprintf(stderr, "\nwrite: %s\n", strerror(errno));
 571                 return -1;
 572         }
 573
 574         fprintf(stderr, "OK\n");
 575
 576         return 0;
 577
 578 invalid_header:
 579
 580         fprintf(stderr, _("\nInvalid data found. Aborting...\n"));
 581
 582         return -1;
 583
 584 }
 585
 586 /*
 587  ***************************************************************************
 588  * Upgrade file's activity list section.
 589  *
 590  * IN:
 591  * @stdfd               File descriptor for STDOUT.
 592  * @act                 Array of activities.
 593  * @file_hdr            Pointer on file_header structure.
 594  * @file_actlst         Activity list in file.
 595  *
 596  * RETURNS:
 597  * -1 on error, 0 otherwise.
 598 ***************************************************************************
 599  */
 600 int upgrade_activity_section(int stdfd, struct activity *act[],
 601                              struct file_header *file_hdr,
 602                              struct file_activity *file_actlst)
 603 {
 604         int i, p;
 605         struct file_activity file_act;
 606         struct file_activity *fal;
 607
 608         fprintf(stderr, "file_activity: ");
 609
 610         fal = file_actlst;
 611
 612         for (i = 0; i < file_hdr->sa_act_nr; i++, fal++) {
 613
 614                 file_act = *fal;
 615                 if ((p = get_activity_position(act, fal->id, RESUME_IF_NOT_FOUND)) >= 0) {
 616                         /* Update activity magic number */
 617                         file_act.magic = act[p]->magic;
 618                         /* Also update its size, which may have changed with recent versions */
 619                         file_act.size = act[p]->fsize;
 620                 }
 621
 622                 /*
 623                  * Even unknown activities must be written
 624                  * (they are counted in sa_act_nr).
 625                  */
 626                 if (write(stdfd, &file_act, FILE_ACTIVITY_SIZE) != FILE_ACTIVITY_SIZE) {
 627                         fprintf(stderr, "\nwrite: %s\n", strerror(errno));
 628                         return -1;
 629                 }
 630
 631                 fprintf(stderr, "%s ", act[p]->name);
 632         }
 633
 634         fprintf(stderr, "OK\n");
 635
 636         return 0;
 637 }
 638
 639 /*
 640  ***************************************************************************
 641  * Upgrade a COMMENT record.
 642  *
 643  * IN:
 644  * @fd          File descriptor for sa datafile to convert.
 645  * @stdfd       File descriptor for STDOUT.
 646  *
 647  * RETURNS:
 648  * -1 on error, 0 otherwise.
 649 ***************************************************************************
 650  */
 651 int upgrade_comment_record(int fd, int stdfd)
 652 {
 653         char file_comment[MAX_COMMENT_LEN];
 654
 655         /* Read the COMMENT record */
 656         sa_fread(fd, file_comment, MAX_COMMENT_LEN, HARD_SIZE);
 657         file_comment[MAX_COMMENT_LEN - 1] = '\0';
 658
 659         /* Then write it. No changes at this time */
 660         if (write(stdfd, file_comment, MAX_COMMENT_LEN) != MAX_COMMENT_LEN) {
 661                 fprintf(stderr, "\nwrite: %s\n", strerror(errno));
 662                 return -1;
 663         }
 664
 665         fprintf(stderr, "C");
 666
 667         return 0;
 668 }
 669
 670 /*
 671  ***************************************************************************
 672  * Upgrade a RESTART record.
 673  *
 674  * IN:
 675  * @fd                  File descriptor for sa datafile to convert.
 676  * @stdfd               File descriptor for STDOUT.
 677  * @act                 Array of activities.
 678  * @file_hdr            Pointer on file_header structure.
 679  * @previous_format     TRUE is sa datafile has an old format which is no
 680  *                      longer compatible with current one.
 681  * @vol_id_seq          Sequence of volatile activities.
 682  *
 683  * RETURNS:
 684  * -1 on error, 0 otherwise.
 685 ***************************************************************************
 686  */
 687 int upgrade_restart_record(int fd, int stdfd, struct activity *act[],
 688                            struct file_header *file_hdr, int previous_format,
 689                            unsigned int vol_id_seq[])
 690 {
 691         int i, p;
 692         struct file_activity file_act;
 693
 694         /*
 695          * This is a RESTART record.
 696          * Only new format data file have additional structures
 697          * to read here for volatile activities.
 698          */
 699         for (i = 0; i < file_hdr->sa_vol_act_nr; i++) {
 700
 701                 if (!previous_format) {
 702                         sa_fread(fd, &file_act, FILE_ACTIVITY_SIZE, HARD_SIZE);
 703                         if (file_act.id) {
 704                                 reallocate_vol_act_structures(act, file_act.nr, file_act.id);
 705                         }
 706                 }
 707                 else {
 708                         memset(&file_act, 0, FILE_ACTIVITY_SIZE);
 709
 710                         /* Old format: Sequence of volatile activities is in vol_id_seq */
 711                         p = get_activity_position(act, vol_id_seq[i], EXIT_IF_NOT_FOUND);
 712
 713                         /* Set only the necessary fields */
 714                         file_act.id = act[p]->id;
 715                         file_act.nr = act[p]->nr;
 716                 }
 717
 718                 if (write(stdfd, &file_act, FILE_ACTIVITY_SIZE) != FILE_ACTIVITY_SIZE) {
 719                         fprintf(stderr, "\nwrite: %s\n", strerror(errno));
 720                         return -1;
 721                 }
 722         }
 723
 724         fprintf(stderr, "R");
 725
 726         return 0;
 727 }
 728
 729 /*
 730  ***************************************************************************
 731  * Upgrade a record which is not a COMMENT or a RESTART one.
 732  *
 733  * IN:
 734  * @fd                  File descriptor for sa datafile to convert.
 735  * @stdfd               File descriptor for STDOUT.
 736  * @act                 Array of activities.
 737  * @file_hdr            Pointer on file_header structure.
 738  * @file_actlst         Activity list in file.
 739  *
 740  * RETURNS:
 741  * -1 on error, 0 otherwise.
 742 ***************************************************************************
 743  */
 744 int upgrade_common_record(int fd, int stdfd, struct activity *act[],
 745                            struct file_header *file_hdr,
 746                            struct file_activity *file_actlst)
 747 {
 748         int i, j, k, p;
 749         struct file_activity *fal;
 750         void *buffer = NULL;
 751         size_t size;
 752
 753         /*
 754          * This is not a special record, so read the extra fields,
 755          * even if the format of the activity is unknown.
 756          */
 757         fal = file_actlst;
 758         for (i = 0; i < file_hdr->sa_act_nr; i++, fal++) {
 759
 760                 if ((p = get_activity_position(act, fal->id, RESUME_IF_NOT_FOUND)) < 0) {
 761                         /* An unknown activity should still be read and written */
 762                         size = (size_t) fal->size * (size_t) fal->nr * (size_t) fal->nr2;
 763                         if (!size) {
 764                                 /* Buffer may have been allocated from a previous iteration in the loop */
 765                                 if (buffer) {
 766                                         free (buffer);
 767                                 }
 768                                 return -1;
 769                         }
 770                         SREALLOC(buffer, void, size);
 771                         sa_fread(fd, buffer, fal->size * fal->nr * fal->nr2, HARD_SIZE);
 772                         if (write(stdfd, (char *) buffer, size) != size) {
 773                                 fprintf(stderr, "\nwrite: %s\n", strerror(errno));
 774                                 free(buffer);
 775                                 return -1;
 776                         }
 777                         continue;
 778                 }
 779
 780                 if ((act[p]->nr > 0) &&
 781                     ((act[p]->nr > 1) || (act[p]->nr2 > 1)) &&
 782                     (act[p]->msize > fal->size)) {
 783
 784                         for (j = 0; j < act[p]->nr; j++) {
 785                                 for (k = 0; k < act[p]->nr2; k++) {
 786                                         sa_fread(fd,
 787                                                  (char *) act[p]->buf[0] + (j * act[p]->nr2 + k) * act[p]->msize,
 788                                                  fal->size, HARD_SIZE);
 789                                 }
 790                         }
 791                 }
 792
 793                 else if (act[p]->nr > 0) {
 794                         sa_fread(fd, act[p]->buf[0], fal->size * act[p]->nr * act[p]->nr2, HARD_SIZE);
 795                 }
 796
 797                 if (act[p]->magic != fal->magic) {
 798
 799                         /* Known activity but old format */
 800                         switch (fal->id) {
 801
 802                                 case A_IO:
 803                                         upgrade_stats_io(act, p);
 804                                         break;
 805
 806                                 case A_QUEUE:
 807                                         upgrade_stats_queue(act, p);
 808                                         break;
 809
 810                                 case A_DISK:
 811                                         upgrade_stats_disk(act, p);
 812                                         break;
 813
 814                                 case A_NET_DEV:
 815                                         upgrade_stats_net_dev(act, p, fal->magic);
 816                                         break;
 817
 818                                 case A_NET_EDEV:
 819                                         upgrade_stats_net_edev(act, p);
 820                                         break;
 821
 822                                 case A_NET_IP:
 823                                         upgrade_stats_net_ip(act, p);
 824                                         break;
 825
 826                                 case A_NET_EIP:
 827                                         upgrade_stats_net_eip(act, p);
 828                                         break;
 829
 830                                 case A_NET_IP6:
 831                                         upgrade_stats_net_ip6(act, p);
 832                                         break;
 833
 834                                 case A_NET_EIP6:
 835                                         upgrade_stats_net_eip6(act, p);
 836                                         break;
 837                                 }
 838                 }
 839                 else {
 840                         /* Known activity with current up-to-date format */
 841                         for (j = 0; j < act[p]->nr; j++) {
 842                                 for (k = 0; k < act[p]->nr2; k++) {
 843                                         memcpy((char *) act[p]->buf[1] + (j * act[p]->nr2 + k) * act[p]->msize,
 844                                                (char *) act[p]->buf[0] + (j * act[p]->nr2 + k) * act[p]->msize,
 845                                                fal->size);
 846                                 }
 847                         }
 848                 }
 849
 850                 for (j = 0; j < act[p]->nr; j++) {
 851                         for (k = 0; k < act[p]->nr2; k++) {
 852                                 if (write(stdfd,
 853                                                (char *) act[p]->buf[1] + (j * act[p]->nr2 + k) * act[p]->msize,
 854                                                act[p]->fsize) !=
 855                                                act[p]->fsize) {
 856                                         fprintf(stderr, "\nwrite: %s\n", strerror(errno));
 857                                         free(buffer);
 858                                         return -1;
 859                                 }
 860                         }
 861                 }
 862         }
 863
 864         fprintf(stderr, ".");
 865
 866         if (buffer) {
 867                 free(buffer);
 868         }
 869
 870         return 0;
 871 }
 872
 873 /*
 874  ***************************************************************************
 875  * Upgrade statistics records.
 876  *
 877  * IN:
 878  * @fd                  File descriptor for sa datafile to convert.
 879  * @stdfd               File descriptor for STDOUT.
 880  * @act                 Array of activities.
 881  * @file_hdr            Pointer on file_header structure.
 882  * @previous_format     TRUE is sa datafile has an old format which is no
 883  *                      longer compatible with current one.
 884  * @file_actlst         Activity list in file.
 885  * @vol_id_seq          Sequence of volatile activities.
 886  *
 887  * RETURNS:
 888  * -1 on error, 0 otherwise.
 889 ***************************************************************************
 890  */
 891 int upgrade_stat_records(int fd, int stdfd, struct activity *act[],
 892                          struct file_header *file_hdr, int previous_format,
 893                          struct file_activity *file_actlst, unsigned int vol_id_seq[])
 894 {
 895         int rtype;
 896         int eosaf;
 897         struct record_header record_hdr;
 898
 899         fprintf(stderr, _("Statistics: "));
 900
 901         do {
 902                 eosaf = sa_fread(fd, &record_hdr, RECORD_HEADER_SIZE, SOFT_SIZE);
 903                 rtype = record_hdr.record_type;
 904
 905                 if (!eosaf) {
 906
 907                         if (write(stdfd, &record_hdr, RECORD_HEADER_SIZE)
 908                                 != RECORD_HEADER_SIZE) {
 909                                 fprintf(stderr, "\nwrite: %s\n", strerror(errno));
 910                                 return -1;
 911                         }
 912
 913                         if (rtype == R_COMMENT) {
 914                                 /* Upgrade the COMMENT record */
 915                                 if (upgrade_comment_record(fd, stdfd) < 0)
 916                                         return -1;
 917                         }
 918
 919                         else if (rtype == R_RESTART) {
 920                                 /* Upgrade the RESTART record */
 921                                 if (upgrade_restart_record(fd, stdfd, act, file_hdr,
 922                                                            previous_format, vol_id_seq) < 0)
 923                                         return -1;
 924                         }
 925
 926                         else {
 927                                 /* Upgrade current statistics record */
 928                                 if (upgrade_common_record(fd, stdfd, act, file_hdr,
 929                                                           file_actlst) < 0)
 930                                         return -1;
 931                         }
 932                 }
 933         }
 934         while (!eosaf);
 935
 936         return 0;
 937 }
 938
 939 /*
 940  ***************************************************************************
 941  * Close file descriptors and exit.
 942  *
 943  * IN:
 944  * @fd          File descriptor for sa datafile to convert.
 945  * @stdfd       File descriptor for STDOUT.
 946  * @exit_code   Exit code.
 947  ***************************************************************************
 948  */
 949 void upgrade_exit(int fd, int stdfd, int exit_code)
 950 {
 951         if (fd) {
 952                 close(fd);
 953         }
 954         if (stdfd) {
 955                 close(stdfd);
 956         }
 957
 958         exit(exit_code);
 959 }
 960
 961 /*
 962  ***************************************************************************
 963  * Convert a sysstat activity data file from a previous version to the
 964  * up-to-date format. Presently data files from sysstat version 9.1.6 and
 965  * later are converted to current sysstat version format.
 966  *
 967  * IN:
 968  * @dfile       System activity data file name.
 969  * @act         Array of activities.
 970  ***************************************************************************
 971  */
 972 void convert_file(char dfile[], struct activity *act[])
 973 {
 974         int fd = 0, stdfd = 0;
 975         int previous_format = FALSE;
 976         struct file_magic file_magic;
 977         struct file_header file_hdr;
 978         struct file_activity *file_actlst = NULL;
 979         unsigned int vol_id_seq[NR_ACT];
 980
 981         /* Open stdout */
 982         if ((stdfd = dup(STDOUT_FILENO)) < 0) {
 983                 perror("dup");
 984                 upgrade_exit(0, 0, 2);
 985         }
 986
 987         /* Upgrade file's magic section */
 988         if (upgrade_magic_section(dfile, &fd, stdfd, &file_magic,
 989                                   &previous_format) < 0) {
 990                 upgrade_exit(fd, stdfd, 2);
 991         }
 992
 993         /* Upgrade file's header section */
 994         if (upgrade_header_section(dfile, fd, stdfd, act,
 995                                    &file_magic, &file_hdr,
 996                                    previous_format, &file_actlst,
 997                                    vol_id_seq) < 0) {
 998                 upgrade_exit(fd, stdfd, 2);
 999         }
1000
1001         /* Upgrade file's activity list section */
1002         if (upgrade_activity_section(stdfd, act, &file_hdr,
1003                                      file_actlst) < 0) {
1004                 upgrade_exit(fd, stdfd, 2);
1005         }
1006
1007         /* Perform required allocations */
1008         allocate_structures(act);
1009
1010         /* Upgrade statistics records */
1011         if (upgrade_stat_records(fd, stdfd, act, &file_hdr,
1012                                  previous_format, file_actlst,
1013                                  vol_id_seq) <0) {
1014                 upgrade_exit(fd, stdfd, 2);
1015         }
1016
1017         fprintf(stderr,
1018                 _("\nFile successfully converted to sysstat format version %s\n"),
1019                 VERSION);
1020
1021         free(file_actlst);
1022         free_structures(act);
1023         close(fd);
1024         close(stdfd);
1025 }