2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
10 #include <afsconfig.h>
11 #include <afs/param.h>
19 #include <afs/afsint.h>
21 #include <afs/errors.h>
24 #include <afs/ihandle.h>
25 #include <afs/vnode.h>
26 #include <afs/volume.h>
27 #include <afs/partition.h>
28 #include <afs/daemon_com.h>
29 #include <afs/fssync.h>
31 #include <afs/com_err.h>
32 #include <afs/vol_prototypes.h>
37 #include "dumpstuff.h"
41 #define afs_stat stat64
42 #define afs_fstat fstat64
43 #else /* !O_LARGEFILE */
45 #define afs_fstat fstat
46 #endif /* !O_LARGEFILE */
47 #endif /* !AFS_NT40_ENV */
49 /*@printflike@*/ extern void Log(const char *format, ...);
52 extern int DoPreserveVolumeStats;
55 /* Forward Declarations */
56 static int DumpDumpHeader(struct iod *iodp, Volume * vp,
58 static int DumpPartial(struct iod *iodp, Volume * vp,
59 afs_int32 fromtime, int dumpAllDirs);
60 static int DumpVnodeIndex(struct iod *iodp, Volume * vp,
61 VnodeClass class, afs_int32 fromtime,
63 static int DumpVnode(struct iod *iodp, struct VnodeDiskObject *v,
64 int volid, int vnodeNumber, int dumpEverything);
65 static int ReadDumpHeader(struct iod *iodp, struct DumpHeader *hp);
66 static int ReadVnodes(struct iod *iodp, Volume * vp, int incremental,
67 afs_foff_t * Lbuf, afs_int32 s1, afs_foff_t * Sbuf,
68 afs_int32 s2, afs_int32 delo);
69 static afs_fsize_t volser_WriteFile(int vn, struct iod *iodp,
70 FdHandle_t * handleP, int tag,
73 static int SizeDumpDumpHeader(struct iod *iodp, Volume * vp,
75 struct volintSize *size);
76 static int SizeDumpPartial(struct iod *iodp, Volume * vp,
77 afs_int32 fromtime, int dumpAllDirs,
78 struct volintSize *size);
79 static int SizeDumpVnodeIndex(struct iod *iodp, Volume * vp,
80 VnodeClass class, afs_int32 fromtime,
82 struct volintSize *size);
83 static int SizeDumpVnode(struct iod *iodp, struct VnodeDiskObject *v,
84 int volid, int vnodeNumber, int dumpEverything,
85 struct volintSize *size);
87 #define MAX_SECTIONS 3
89 #define MAX_TLV_TAG 0x60
90 #define MAX_STANDARD_TAG 0x7a
91 static afs_uint32 oldtags[MAX_SECTIONS][16];
92 int oldtagsInited = 0;
95 RegisterTag(afs_int32 section, unsigned char tag)
97 afs_uint32 off = tag >> 5;
98 afs_uint32 mask = 1 << (tag & 0x1f);
99 oldtags[section][off] |= mask;
103 initNonStandardTags(void)
105 RegisterTag(0, 'n'); /* volume name */
106 RegisterTag(0, 't'); /* fromtime, V_backupDate */
107 RegisterTag(1, 'A'); /* V_accessDate */
108 RegisterTag(1, 'C'); /* V_creationDate */
109 RegisterTag(1, 'D'); /* V_dayUseDate */
110 RegisterTag(1, 'E'); /* V_expirationDate */
111 RegisterTag(1, 'M'); /* nullstring (motd) */
112 RegisterTag(1, 'U'); /* V_updateDate */
113 RegisterTag(1, 'W'); /* V_weekUse */
114 RegisterTag(1, 'Z'); /* V_dayUse */
115 RegisterTag(1, 'O'); /* V_offlineMessage */
116 RegisterTag(1, 'b'); /* V_blessed */
117 RegisterTag(1, 'n'); /* V_name */
118 RegisterTag(1, 's'); /* V_inService */
119 RegisterTag(1, 't'); /* V_type */
120 RegisterTag(2, 'A'); /* VVnodeDiskACL */
121 RegisterTag(2, 'b'); /* modeBits */
122 RegisterTag(2, 'f'); /* small file */
123 RegisterTag(2, 'h'); /* large file */
124 RegisterTag(2, 'l'); /* linkcount */
125 RegisterTag(2, 't'); /* type */
130 iod_Init(struct iod *iodp, struct rx_call *call)
133 iodp->haveOldChar = 0;
135 iodp->calls = (struct rx_call **)0;
139 iod_InitMulti(struct iod *iodp, struct rx_call **calls, int ncalls,
144 iodp->haveOldChar = 0;
145 iodp->ncalls = ncalls;
147 iodp->call = (struct rx_call *)0;
150 /* N.B. iod_Read doesn't check for oldchar (see previous comment) */
151 #define iod_Read(iodp, buf, nbytes) rx_Read((iodp)->call, buf, nbytes)
153 /* For the single dump case, it's ok to just return the "bytes written"
154 * that rx_Write returns, since all the callers of iod_Write abort when
155 * the returned value is less than they expect. For the multi dump case,
156 * I don't think we want half the replicas to go bad just because one
157 * connection timed out, but if they all time out, then we should give up.
160 iod_Write(struct iod *iodp, char *buf, int nbytes)
165 osi_Assert((iodp->call && iodp->ncalls == 1 && !iodp->calls)
166 || (!iodp->call && iodp->ncalls >= 1 && iodp->calls));
169 code = rx_Write(iodp->call, buf, nbytes);
173 for (i = 0; i < iodp->ncalls; i++) {
174 if (iodp->calls[i] && !iodp->codes[i]) {
175 code = rx_Write(iodp->calls[i], buf, nbytes);
176 if (code != nbytes) { /* everything gets merged into a single error */
177 iodp->codes[i] = VOLSERDUMPERROR; /* but that's exactly what the */
178 } /* standard dump does, anyways */
183 } /* for all calls */
192 iod_ungetc(struct iod *iodp, int achar)
194 iodp->oldChar = achar;
195 iodp->haveOldChar = 1;
199 iod_getc(struct iod *iodp)
203 if (iodp->haveOldChar) {
204 iodp->haveOldChar = 0;
205 return iodp->oldChar;
207 if (iod_Read(iodp, (char *) &t, 1) == 1)
213 ReadShort(struct iod *iodp, unsigned short *sp)
222 *sp = (b1 << 8) | b0;
227 ReadInt32(struct iod *iodp, afs_uint32 * lp)
229 afs_uint32 b3, b2, b1, b0;
242 *lp = (((((b3 << 8) | b2) << 8) | b1) << 8) | b0;
247 ReadString(struct iod *iodp, char *to, int maxa)
256 if ((*to++ = c = iod_getc(iodp)) == 0 || c == EOF)
260 while ((c = iod_getc(iodp)) && c != EOF);
266 ReadByteString(struct iod *iodp, byte * to,
270 *to++ = iod_getc(iodp);
274 * returns 1 on success and 0 otherwise
277 ReadStandardTagLen(struct iod *iodp, unsigned char tag, afs_int32 section,
281 afs_uint32 off = tag >> 5;
282 afs_uint32 mask = 1 << (tag & 0x1f);
283 unsigned char len, buf[8], *p;
286 initNonStandardTags();
288 if (tag < MIN_TLV_TAG
289 || tag > MAX_STANDARD_TAG
290 || section >= MAX_SECTIONS
291 || (oldtags[section][ off] & mask)) {
292 Log("Trying to use ReadStandardTag with tag 0x%02x for section %d, aborting\n", tag, section);
295 if (tag <= MAX_TLV_TAG) {
296 len = iod_getc(iodp);
301 if ((code = iod_Read(iodp, (char *)buf, len)) != len)
302 return VOLSERDUMPERROR;
304 p = (unsigned char *)&buf;
305 for (i=0; i<len; i++) {
306 *length = ((*length) << 8) | *p++;
310 if (tag < MAX_STANDARD_TAG)
316 static char skipbuf[256];
319 SkipData(struct iod *iodp, afs_size_t length)
321 while (length > 256) {
322 if (iod_Read(iodp, (char *)&skipbuf, 256) != 256)
326 if (iod_Read(iodp, (char *)&skipbuf, length) != length)
331 static char *secname[3] = {"ReadDumpHeader", "ReadVolumeHeader", "ReadVnodes"};
334 HandleUnknownTag(struct iod *iodp, int tag, afs_int32 section,
337 afs_size_t taglen = 0;
341 Log("%s: unknown critical tag x%02x, aborting\n",
342 secname[section], tag);
345 Log("%s: unknown tag x%02x found, skipping\n", secname[section], tag);
346 if (tag >= 0x06 && tag <= 0x60) {
347 if (!ReadStandardTagLen(iodp, tag, 1, &taglen)) {
348 Log("%s: error reading length field for tag x%02x, aborting\n",
349 secname[section], tag);
352 if (!SkipData(iodp, taglen)) {
353 Log("%s: error skipping %llu bytes for tag x%02x, aborting\n",
354 secname[section], taglen, tag);
359 if (tag >= 0x61 && tag <= 0x7a) {
360 if (!ReadInt32(iodp, &trash)) {
361 Log("%s: error skipping int32 for tag x%02x, aborting\n",
362 secname[section], tag);
367 if (tag >= 0x7b && tag < 0x80) /* dataless tag */
369 Log("%s: unknown invalid tag x%02x, aborting\n", secname[section], tag);
374 ReadVolumeHeader(struct iod *iodp, VolumeDiskData * vol)
378 afs_int32 critical = 0;
379 memset(vol, 0, sizeof(*vol));
380 while ((tag = iod_getc(iodp)) > D_MAX && tag != EOF) {
385 if (!ReadInt32(iodp, &vol->id))
386 return VOLSERREAD_DUMPERROR;
389 if (!ReadInt32(iodp, &trash))
390 return VOLSERREAD_DUMPERROR;
393 ReadString(iodp, vol->name, sizeof(vol->name));
394 /*this means the name of the retsored volume could be possibly different. In conjunction with SAFSVolSignalRestore */
397 vol->inService = iod_getc(iodp);
400 vol->blessed = iod_getc(iodp);
403 if (!ReadInt32(iodp, &vol->uniquifier))
404 return VOLSERREAD_DUMPERROR;
407 vol->type = iod_getc(iodp);
410 if (!ReadInt32(iodp, &vol->parentId))
411 return VOLSERREAD_DUMPERROR;
414 if (!ReadInt32(iodp, &vol->cloneId))
415 return VOLSERREAD_DUMPERROR;
418 if (!ReadInt32(iodp, (afs_uint32 *) & vol->maxquota))
419 return VOLSERREAD_DUMPERROR;
422 if (!ReadInt32(iodp, (afs_uint32 *) & vol->minquota))
423 return VOLSERREAD_DUMPERROR;
426 if (!ReadInt32(iodp, (afs_uint32 *) & vol->diskused))
427 return VOLSERREAD_DUMPERROR; /* Bogus: should calculate this */
430 if (!ReadInt32(iodp, (afs_uint32 *) & vol->filecount))
431 return VOLSERREAD_DUMPERROR;
434 if (!ReadInt32(iodp, &vol->accountNumber))
435 return VOLSERREAD_DUMPERROR;
438 if (!ReadInt32(iodp, &vol->owner))
439 return VOLSERREAD_DUMPERROR;
442 if (!ReadInt32(iodp, &vol->creationDate))
443 return VOLSERREAD_DUMPERROR;
446 if (!ReadInt32(iodp, &vol->accessDate))
447 return VOLSERREAD_DUMPERROR;
450 if (!ReadInt32(iodp, &vol->updateDate))
451 return VOLSERREAD_DUMPERROR;
454 if (!ReadInt32(iodp, &vol->expirationDate))
455 return VOLSERREAD_DUMPERROR;
458 if (!ReadInt32(iodp, &vol->backupDate))
459 return VOLSERREAD_DUMPERROR;
462 ReadString(iodp, vol->offlineMessage,
463 sizeof(vol->offlineMessage));
467 * Detailed volume statistics are never stored in dumps,
468 * so we just restore either the null string if this volume
469 * had already been set to store statistics, or the old motd
470 * contents otherwise. It doesn't matter, since this field
471 * will soon get initialized anyway.
473 ReadString(iodp, (char *)(vol->stat_reads), VMSGSIZE);
476 unsigned short length;
479 if (!ReadShort(iodp, &length))
480 return VOLSERREAD_DUMPERROR;
481 for (i = 0; i < length; i++) {
482 if (!ReadInt32(iodp, &data))
483 return VOLSERREAD_DUMPERROR;
484 if (i < sizeof(vol->weekUse) / sizeof(vol->weekUse[0]))
485 vol->weekUse[i] = data;
490 if (!ReadInt32(iodp, &vol->dayUseDate))
491 return VOLSERREAD_DUMPERROR;
494 if (!ReadInt32(iodp, (afs_uint32 *) & vol->dayUse))
495 return VOLSERREAD_DUMPERROR;
498 if (!ReadInt32(iodp, (afs_uint32 *) &trash/*volUpdateCounter*/))
499 return VOLSERREAD_DUMPERROR;
505 if (!HandleUnknownTag(iodp, tag, 1, critical))
506 return VOLSERREAD_DUMPERROR;
509 iod_ungetc(iodp, tag);
514 DumpTag(struct iod *iodp, int tag)
519 return ((iod_Write(iodp, &p, 1) == 1) ? 0 : VOLSERDUMPERROR);
524 DumpByte(struct iod *iodp, char tag, byte value)
527 byte *p = (unsigned char *)tbuffer;
530 return ((iod_Write(iodp, tbuffer, 2) == 2) ? 0 : VOLSERDUMPERROR);
533 #define afs_putint32(p, v) *p++ = v>>24, *p++ = v>>16, *p++ = v>>8, *p++ = v
534 #define afs_putshort(p, v) *p++ = v>>8, *p++ = v
537 DumpDouble(struct iod *iodp, char tag, afs_uint32 value1,
541 byte *p = (unsigned char *)tbuffer;
543 afs_putint32(p, value1);
544 afs_putint32(p, value2);
545 return ((iod_Write(iodp, tbuffer, 9) == 9) ? 0 : VOLSERDUMPERROR);
549 DumpInt32(struct iod *iodp, char tag, afs_uint32 value)
552 byte *p = (unsigned char *)tbuffer;
554 afs_putint32(p, value);
555 return ((iod_Write(iodp, tbuffer, 5) == 5) ? 0 : VOLSERDUMPERROR);
559 DumpArrayInt32(struct iod *iodp, char tag,
560 afs_uint32 * array, int nelem)
565 byte *p = (unsigned char *)tbuffer;
567 afs_putshort(p, nelem);
568 code = iod_Write(iodp, tbuffer, 3);
570 return VOLSERDUMPERROR;
572 p = (unsigned char *)tbuffer;
573 v = *array++; /*this was register */
576 code = iod_Write(iodp, tbuffer, 4);
578 return VOLSERDUMPERROR;
584 DumpShort(struct iod *iodp, char tag, unsigned int value)
587 byte *p = (unsigned char *)tbuffer;
591 return ((iod_Write(iodp, tbuffer, 3) == 3) ? 0 : VOLSERDUMPERROR);
595 DumpBool(struct iod *iodp, char tag, unsigned int value)
598 byte *p = (unsigned char *)tbuffer;
601 return ((iod_Write(iodp, tbuffer, 2) == 2) ? 0 : VOLSERDUMPERROR);
605 DumpString(struct iod *iodp, char tag, char *s)
609 code = iod_Write(iodp, &tag, 1);
611 return VOLSERDUMPERROR;
613 code = iod_Write(iodp, s, n);
615 return VOLSERDUMPERROR;
620 DumpByteString(struct iod *iodp, char tag, byte * bs,
625 code = iod_Write(iodp, &tag, 1);
627 return VOLSERDUMPERROR;
628 code = iod_Write(iodp, (char *)bs, nbytes);
630 return VOLSERDUMPERROR;
635 DumpStandardTag(struct iod *iodp, char tag, afs_uint32 section)
638 afs_uint32 off = tag >> 5;
639 afs_uint32 mask = 1 << (tag & 0x1f);
642 initNonStandardTags();
644 if (tag < MIN_TLV_TAG
645 || tag > MAX_STANDARD_TAG
646 || section >= MAX_SECTIONS
647 || (oldtags[section][ off] & mask)) {
648 Log("Trying to use DumpStandardTag with tag 0x%02x for section %d, aborting\n", tag, section);
649 return VOLSERDUMPERROR;
651 code = iod_Write(iodp, &tag, 1);
653 return VOLSERDUMPERROR;
659 DumpStandardTagLen(struct iod *iodp, char tag, afs_uint32 section,
666 if (tag < MIN_TLV_TAG || tag > MAX_TLV_TAG) {
667 Log("Trying to use DumpStandardTagLen with tag 0x%02x for section %d, aborting\n", tag, section);
668 return VOLSERDUMPERROR;
670 code = DumpStandardTag(iodp, tag, section);
674 if (length < 128) { /* byte after tag contains length */
677 } else { /* byte after tag contains length of length field | 0x80 */
678 for (len=0; length; length=length >> 8) {
686 code = iod_Write(iodp, p, len);
688 return VOLSERDUMPERROR;
693 DumpFile(struct iod *iodp, int vnode, FdHandle_t * handleP)
695 int code = 0, error = 0;
697 afs_foff_t offset = 0;
698 afs_sfsize_t nbytes, howBig;
701 afs_foff_t howFar = 0;
706 struct afs_stat status;
708 LARGE_INTEGER fileSize;
711 #include <sys/statfs.h>
712 #if defined(AFS_AIX52_ENV)
713 struct statfs64 tstatfs;
714 #else /* !AFS_AIX52_ENV */
715 struct statfs tstatfs;
716 #endif /* !AFS_AIX52_ENV */
721 if (!GetFileSizeEx(handleP->fd_fd, &fileSize)) {
722 Log("DumpFile: GetFileSizeEx returned error code %d on descriptor %d\n", GetLastError(), handleP->fd_fd);
723 return VOLSERDUMPERROR;
725 howBig = fileSize.QuadPart;
729 afs_fstat(handleP->fd_fd, &status);
730 howBig = status.st_size;
733 /* Unfortunately in AIX valuable fields such as st_blksize are
734 * gone from the stat structure.
736 #if defined(AFS_AIX52_ENV)
737 statfs_code = fstatfs64(handleP->fd_fd, &tstatfs);
738 #else /* !AFS_AIX52_ENV */
739 statfs_code = fstatfs(handleP->fd_fd, &tstatfs);
740 #endif /* !AFS_AIX52_ENV */
741 if (statfs_code != 0) {
742 Log("DumpFile: fstatfs returned error code %d on descriptor %d\n", errno, handleP->fd_fd);
743 return VOLSERDUMPERROR;
745 howMany = tstatfs.f_bsize;
747 howMany = status.st_blksize;
748 #endif /* AFS_AIX_ENV */
749 #endif /* AFS_NT40_ENV */
752 SplitInt64(howBig, hi, lo);
754 code = DumpInt32(iodp, 'f', lo);
756 code = DumpDouble(iodp, 'h', hi, lo);
759 return VOLSERDUMPERROR;
764 Log("1 Volser: DumpFile: not enough memory to allocate %u bytes\n", (unsigned)howMany);
765 return VOLSERDUMPERROR;
768 for (nbytes = howBig; (nbytes && !error); nbytes -= howMany) {
769 if (nbytes < howMany)
773 n = FDH_PREAD(handleP, p, howMany, howFar);
776 /* If read any good data and we null padded previously, log the
777 * amount that we had null padded.
779 if ((n > 0) && pad) {
780 Log("1 Volser: DumpFile: Null padding file %d bytes at offset %lld\n", pad, (long long)offset);
784 /* If didn't read enough data, null padd the rest of the buffer. This
785 * can happen if, for instance, the media has some bad spots. We don't
786 * want to quit the dump, so we start null padding.
789 /* Record the read error */
792 Log("1 Volser: DumpFile: Error reading inode %s for vnode %d: %s\n", PrintInode(stmp, handleP->fd_ih->ih_ino), vnode, afs_error_message(errno));
794 Log("1 Volser: DumpFile: Error reading inode %s for vnode %d\n", PrintInode(stmp, handleP->fd_ih->ih_ino), vnode);
797 /* Pad the rest of the buffer with zeros. Remember offset we started
798 * padding. Keep total tally of padding.
800 memset(p + n, 0, howMany - n);
802 offset = (howBig - nbytes) + n;
803 pad += (howMany - n);
805 /* Now seek over the data we could not get. An error here means we
806 * can't do the next read.
808 howFar = (size_t)((howBig - nbytes) + howMany);
811 /* Now write the data out */
812 if (iod_Write(iodp, (char *)p, howMany) != howMany)
813 error = VOLSERDUMPERROR;
814 #ifndef AFS_PTHREAD_ENV
819 if (pad) { /* Any padding we hadn't reported yet */
820 Log("1 Volser: DumpFile: Null padding file: %d bytes at offset %lld\n",
821 pad, (long long)offset);
829 DumpVolumeHeader(struct iod *iodp, Volume * vp)
832 static char nullString[1] = ""; /*The ``contents'' of motd */
835 code = DumpTag(iodp, D_VOLUMEHEADER);
837 code = DumpInt32(iodp, 'i', V_id(vp));
840 code = DumpInt32(iodp, 'v', V_stamp(vp).version);
842 code = DumpString(iodp, 'n', V_name(vp));
844 code = DumpBool(iodp, 's', V_inService(vp));
846 code = DumpBool(iodp, 'b', V_blessed(vp));
848 code = DumpInt32(iodp, 'u', V_uniquifier(vp));
850 code = DumpByte(iodp, 't', (byte) V_type(vp));
852 code = DumpInt32(iodp, 'p', V_parentId(vp));
855 code = DumpInt32(iodp, 'c', V_cloneId(vp));
857 code = DumpInt32(iodp, 'q', V_maxquota(vp));
859 code = DumpInt32(iodp, 'm', V_minquota(vp));
861 code = DumpInt32(iodp, 'd', V_diskused(vp));
863 code = DumpInt32(iodp, 'f', V_filecount(vp));
865 code = DumpInt32(iodp, 'a', V_accountNumber(vp));
867 code = DumpInt32(iodp, 'o', V_owner(vp));
869 code = DumpInt32(iodp, 'C', V_creationDate(vp)); /* Rw volume creation date */
871 code = DumpInt32(iodp, 'A', V_accessDate(vp));
873 code = DumpInt32(iodp, 'U', V_updateDate(vp));
875 code = DumpInt32(iodp, 'E', V_expirationDate(vp));
877 code = DumpInt32(iodp, 'B', V_backupDate(vp)); /* Rw volume backup clone date */
879 code = DumpString(iodp, 'O', V_offlineMessage(vp));
881 * We do NOT dump the detailed volume statistics residing in the old
882 * motd field, since we cannot tell from the info in a dump whether
883 * statistics data has been put there. Instead, we dump a null string,
884 * just as if that was what the motd contained.
887 code = DumpString(iodp, 'M', nullString);
890 DumpArrayInt32(iodp, 'W', (afs_uint32 *) V_weekUse(vp),
891 sizeof(V_weekUse(vp)) / sizeof(V_weekUse(vp)[0]));
893 code = DumpInt32(iodp, 'D', V_dayUseDate(vp));
895 code = DumpInt32(iodp, 'Z', V_dayUse(vp));
900 DumpEnd(struct iod *iodp)
902 return (DumpInt32(iodp, D_DUMPEND, DUMPENDMAGIC));
905 /* Guts of the dump code */
907 /* Dump a whole volume */
909 DumpVolume(struct rx_call *call, Volume * vp,
910 afs_int32 fromtime, int dumpAllDirs)
914 struct iod *iodp = &iod;
915 iod_Init(iodp, call);
918 code = DumpDumpHeader(iodp, vp, fromtime);
921 code = DumpPartial(iodp, vp, fromtime, dumpAllDirs);
923 /* hack follows. Errors should be handled quite differently in this version of dump than they used to be.*/
924 if (rx_Error(iodp->call)) {
925 Log("1 Volser: DumpVolume: Rx call failed during dump, error %d\n",
926 rx_Error(iodp->call));
927 return VOLSERDUMPERROR;
930 code = DumpEnd(iodp);
935 /* Dump a volume to multiple places*/
937 DumpVolMulti(struct rx_call **calls, int ncalls, Volume * vp,
938 afs_int32 fromtime, int dumpAllDirs, int *codes)
942 iod_InitMulti(&iod, calls, ncalls, codes);
945 code = DumpDumpHeader(&iod, vp, fromtime);
947 code = DumpPartial(&iod, vp, fromtime, dumpAllDirs);
949 code = DumpEnd(&iod);
953 /* A partial dump (no dump header) */
955 DumpPartial(struct iod *iodp, Volume * vp,
956 afs_int32 fromtime, int dumpAllDirs)
960 code = DumpVolumeHeader(iodp, vp);
962 code = DumpVnodeIndex(iodp, vp, vLarge, fromtime, dumpAllDirs);
964 code = DumpVnodeIndex(iodp, vp, vSmall, fromtime, 0);
969 DumpVnodeIndex(struct iod *iodp, Volume * vp, VnodeClass class,
970 afs_int32 fromtime, int forcedump)
973 struct VnodeClassInfo *vcp = &VnodeClassInfo[class];
974 char buf[SIZEOF_LARGEDISKVNODE];
975 struct VnodeDiskObject *vnode = (struct VnodeDiskObject *)buf;
976 StreamHandle_t *file;
978 afs_sfsize_t size, nVnodes;
982 fdP = IH_OPEN(vp->vnodeIndex[class].handle);
983 osi_Assert(fdP != NULL);
984 file = FDH_FDOPEN(fdP, "r+");
985 osi_Assert(file != NULL);
986 size = OS_SIZE(fdP->fd_fd);
987 osi_Assert(size != -1);
988 nVnodes = (size / vcp->diskSize) - 1;
990 osi_Assert((nVnodes + 1) * vcp->diskSize == size);
991 osi_Assert(STREAM_ASEEK(file, vcp->diskSize) == 0);
995 nVnodes && STREAM_READ(vnode, vcp->diskSize, 1, file) == 1 && !code;
996 nVnodes--, vnodeIndex++) {
997 flag = forcedump || (vnode->serverModifyTime >= fromtime);
998 /* Note: the >= test is very important since some old volumes may not have
999 * a serverModifyTime. For an epoch dump, this results in 0>=0 test, which
1000 * does dump the file! */
1003 DumpVnode(iodp, vnode, V_id(vp),
1004 bitNumberToVnodeNumber(vnodeIndex, class), flag);
1005 #ifndef AFS_PTHREAD_ENV
1007 IOMGR_Poll(); /* if we dont' xfr data, but scan instead, could lose conn */
1016 DumpDumpHeader(struct iod *iodp, Volume * vp,
1020 int UseLatestReadOnlyClone = 1;
1021 afs_int32 dumpTimes[2];
1022 iodp->device = vp->device;
1023 iodp->parentId = V_parentId(vp);
1024 iodp->dumpPartition = vp->partition;
1026 code = DumpDouble(iodp, D_DUMPHEADER, DUMPBEGINMAGIC, DUMPVERSION);
1029 DumpInt32(iodp, 'v',
1030 UseLatestReadOnlyClone ? V_id(vp) : V_parentId(vp));
1032 code = DumpString(iodp, 'n', V_name(vp));
1033 dumpTimes[0] = fromtime;
1034 dumpTimes[1] = V_backupDate(vp); /* Until the time the clone was made */
1036 code = DumpArrayInt32(iodp, 't', (afs_uint32 *) dumpTimes, 2);
1041 DumpVnode(struct iod *iodp, struct VnodeDiskObject *v, int volid,
1042 int vnodeNumber, int dumpEverything)
1048 if (!v || v->type == vNull)
1051 code = DumpDouble(iodp, D_VNODE, vnodeNumber, v->uniquifier);
1052 if (!dumpEverything)
1055 code = DumpByte(iodp, 't', (byte) v->type);
1057 code = DumpShort(iodp, 'l', v->linkCount); /* May not need this */
1059 code = DumpInt32(iodp, 'v', v->dataVersion);
1061 code = DumpInt32(iodp, 'm', v->unixModifyTime);
1063 code = DumpInt32(iodp, 'a', v->author);
1065 code = DumpInt32(iodp, 'o', v->owner);
1066 if (!code && v->group)
1067 code = DumpInt32(iodp, 'g', v->group); /* default group is 0 */
1069 code = DumpShort(iodp, 'b', v->modeBits);
1071 code = DumpInt32(iodp, 'p', v->parent);
1073 code = DumpInt32(iodp, 's', v->serverModifyTime);
1074 if (v->type == vDirectory) {
1075 acl_HtonACL(VVnodeDiskACL(v));
1078 DumpByteString(iodp, 'A', (byte *) VVnodeDiskACL(v),
1081 if (VNDISK_GET_INO(v)) {
1082 IH_INIT(ihP, iodp->device, iodp->parentId, VNDISK_GET_INO(v));
1085 Log("1 Volser: DumpVnode: dump: Unable to open inode %llu for vnode %u (volume %i); not dumped, error %d\n", (afs_uintmax_t) VNDISK_GET_INO(v), vnodeNumber, volid, errno);
1087 return VOLSERREAD_DUMPERROR;
1089 code = DumpFile(iodp, vnodeNumber, fdP);
1098 ProcessIndex(Volume * vp, VnodeClass class, afs_foff_t ** Bufp, int *sizep,
1101 int i, nVnodes, code;
1106 StreamHandle_t *afile;
1108 struct VnodeClassInfo *vcp = &VnodeClassInfo[class];
1109 char buf[SIZEOF_LARGEDISKVNODE], zero[SIZEOF_LARGEDISKVNODE];
1110 struct VnodeDiskObject *vnode = (struct VnodeDiskObject *)buf;
1112 memset(zero, 0, sizeof(zero)); /* zero out our proto-vnode */
1113 fdP = IH_OPEN(vp->vnodeIndex[class].handle);
1116 afile = FDH_FDOPEN(fdP, "r+");
1120 for (i = 0; i < *sizep; i++) {
1123 STREAM_ASEEK(afile, Buf[i]);
1124 code = STREAM_READ(vnode, vcp->diskSize, 1, afile);
1126 if (vnode->type != vNull && VNDISK_GET_INO(vnode)) {
1129 Log("RestoreVolume %u Cleanup: Removing old vnode=%u inode=%llu size=unknown\n",
1130 V_id(vp), bitNumberToVnodeNumber(i, class),
1131 (afs_uintmax_t) VNDISK_GET_INO(vnode));
1133 IH_DEC(V_linkHandle(vp), VNDISK_GET_INO(vnode),
1137 STREAM_ASEEK(afile, Buf[i]);
1138 (void)STREAM_WRITE(zero, vcp->diskSize, 1, afile); /* Zero it out */
1144 Log("RestoreVolume Cleanup: Removed %d inodes for volume %d\n",
1147 STREAM_FLUSH(afile); /* ensure 0s are on the disk */
1148 OS_SYNC(afile->str_fd);
1150 size = OS_SIZE(fdP->fd_fd);
1151 osi_Assert(size != -1);
1154 vcp->diskSize ? 0 : size - vcp->diskSize) >> vcp->logSize;
1156 Buf = calloc(nVnodes, sizeof(afs_foff_t));
1158 STREAM_CLOSE(afile);
1162 STREAM_ASEEK(afile, offset = vcp->diskSize);
1164 code = STREAM_READ(vnode, vcp->diskSize, 1, afile);
1168 if (vnode->type != vNull && VNDISK_GET_INO(vnode)) {
1169 Buf[(offset >> vcp->logSize) - 1] = offset;
1172 offset += vcp->diskSize;
1178 STREAM_CLOSE(afile);
1185 RestoreVolume(struct rx_call *call, Volume * avp, int incremental,
1186 struct restoreCookie *cookie)
1189 struct DumpHeader header;
1190 afs_uint32 endMagic;
1191 Error error = 0, vupdate;
1194 struct iod *iodp = &iod;
1195 afs_foff_t *b1 = NULL, *b2 = NULL;
1196 int s1 = 0, s2 = 0, delo = 0, tdelo;
1198 VolumeDiskData saved_header;
1200 iod_Init(iodp, call);
1204 if (DoPreserveVolumeStats) {
1205 CopyVolumeStats(&V_disk(vp), &saved_header);
1208 if (!ReadDumpHeader(iodp, &header)) {
1209 Log("1 Volser: RestoreVolume: Error reading header file for dump; aborted\n");
1210 return VOLSERREAD_DUMPERROR;
1212 if (iod_getc(iodp) != D_VOLUMEHEADER) {
1213 Log("1 Volser: RestoreVolume: Volume header missing from dump; not restored\n");
1214 return VOLSERREAD_DUMPERROR;
1216 if (ReadVolumeHeader(iodp, &vol) == VOLSERREAD_DUMPERROR)
1217 return VOLSERREAD_DUMPERROR;
1220 delo = ProcessIndex(vp, vLarge, &b1, &s1, 0);
1222 delo = ProcessIndex(vp, vSmall, &b2, &s2, 0);
1224 Log("1 Volser: RestoreVolume: ProcessIndex failed; not restored\n");
1225 error = VOLSERREAD_DUMPERROR;
1229 strncpy(vol.name, cookie->name, VOLSER_OLDMAXVOLNAME);
1230 vol.type = cookie->type;
1231 vol.cloneId = cookie->clone;
1232 vol.parentId = cookie->parent;
1234 V_needsSalvaged(vp) = 0;
1238 if (ReadVnodes(iodp, vp, 0, b1, s1, b2, s2, tdelo)) {
1239 error = VOLSERREAD_DUMPERROR;
1242 tag = iod_getc(iodp);
1243 if (tag != D_VOLUMEHEADER)
1246 if (ReadVolumeHeader(iodp, &vol) == VOLSERREAD_DUMPERROR) {
1247 error = VOLSERREAD_DUMPERROR;
1251 if (tag != D_DUMPEND || !ReadInt32(iodp, &endMagic)
1252 || endMagic != DUMPENDMAGIC) {
1253 Log("1 Volser: RestoreVolume: End of dump not found; restore aborted\n");
1254 error = VOLSERREAD_DUMPERROR;
1259 if (iod_getc(iodp) != EOF) {
1260 Log("1 Volser: RestoreVolume: Unrecognized postamble in dump; restore aborted\n");
1261 error = VOLSERREAD_DUMPERROR;
1266 delo = ProcessIndex(vp, vLarge, &b1, &s1, 1);
1268 delo = ProcessIndex(vp, vSmall, &b2, &s2, 1);
1270 error = VOLSERREAD_DUMPERROR;
1276 if (DoPreserveVolumeStats) {
1277 CopyVolumeStats(&saved_header, &vol);
1279 ClearVolumeStats(&vol);
1281 if (V_needsSalvaged(vp)) {
1282 /* needsSalvaged may have been set while we tried to write volume data.
1283 * prevent it from getting overwritten. */
1284 vol.needsSalvaged = V_needsSalvaged(vp);
1286 CopyVolumeHeader(&vol, &V_disk(vp));
1287 V_destroyMe(vp) = 0;
1288 VUpdateVolume(&vupdate, vp);
1290 Log("1 Volser: RestoreVolume: Unable to rewrite volume header; restore aborted\n");
1291 error = VOLSERREAD_DUMPERROR;
1295 /* Free the malloced space above */
1304 ReadVnodes(struct iod *iodp, Volume * vp, int incremental,
1305 afs_foff_t * Lbuf, afs_int32 s1, afs_foff_t * Sbuf, afs_int32 s2,
1308 afs_int32 vnodeNumber;
1309 char buf[SIZEOF_LARGEDISKVNODE];
1311 struct VnodeDiskObject *vnode = (struct VnodeDiskObject *)buf;
1312 struct VnodeDiskObject oldvnode;
1315 struct VnodeClassInfo *vcp;
1318 Inode nearInode AFS_UNUSED;
1319 afs_int32 critical = 0;
1321 tag = iod_getc(iodp);
1322 V_pref(vp, nearInode);
1323 while (tag == D_VNODE) {
1326 memset(buf, 0, sizeof(buf));
1327 if (!ReadInt32(iodp, (afs_uint32 *) & vnodeNumber))
1330 if (!ReadInt32(iodp, &vnode->uniquifier))
1331 return VOLSERREAD_DUMPERROR;
1333 while ((tag = iod_getc(iodp)) > D_MAX && tag != EOF) {
1339 vnode->type = (VnodeType) iod_getc(iodp);
1344 if (!ReadShort(iodp, &tlc))
1345 return VOLSERREAD_DUMPERROR;
1346 vnode->linkCount = (signed int)tlc;
1350 if (!ReadInt32(iodp, &vnode->dataVersion))
1351 return VOLSERREAD_DUMPERROR;
1354 if (!ReadInt32(iodp, &vnode->unixModifyTime))
1355 return VOLSERREAD_DUMPERROR;
1358 if (!ReadInt32(iodp, &vnode->serverModifyTime))
1359 return VOLSERREAD_DUMPERROR;
1362 if (!ReadInt32(iodp, &vnode->author))
1363 return VOLSERREAD_DUMPERROR;
1366 if (!ReadInt32(iodp, &vnode->owner))
1367 return VOLSERREAD_DUMPERROR;
1370 if (!ReadInt32(iodp, (afs_uint32 *) & vnode->group))
1371 return VOLSERREAD_DUMPERROR;
1374 unsigned short modeBits;
1375 if (!ReadShort(iodp, &modeBits))
1376 return VOLSERREAD_DUMPERROR;
1377 vnode->modeBits = (unsigned int)modeBits;
1381 if (!ReadInt32(iodp, &vnode->parent))
1382 return VOLSERREAD_DUMPERROR;
1385 ReadByteString(iodp, (byte *) VVnodeDiskACL(vnode),
1386 VAclDiskSize(vnode));
1387 acl_NtohACL(VVnodeDiskACL(vnode));
1393 afs_fsize_t vnodeLength;
1396 Log("Volser: ReadVnodes: warning: ignoring duplicate "
1397 "file entries for vnode %lu in dump\n",
1398 (unsigned long)vnodeNumber);
1399 volser_WriteFile(vnodeNumber, iodp, NULL, tag, &error);
1405 IH_CREATE(V_linkHandle(vp), V_device(vp),
1406 VPartitionPath(V_partition(vp)), nearInode,
1407 V_parentId(vp), vnodeNumber,
1408 vnode->uniquifier, vnode->dataVersion);
1409 if (!VALID_INO(ino)) {
1410 Log("1 Volser: ReadVnodes: IH_CREATE: %s - restore aborted\n",
1411 afs_error_message(errno));
1412 V_needsSalvaged(vp) = 1;
1413 return VOLSERREAD_DUMPERROR;
1416 VNDISK_SET_INO(vnode, ino);
1417 IH_INIT(tmpH, vp->device, V_parentId(vp), ino);
1418 fdP = IH_OPEN(tmpH);
1420 Log("1 Volser: ReadVnodes: IH_OPEN: %s - restore aborted\n",
1421 afs_error_message(errno));
1423 V_needsSalvaged(vp) = 1;
1424 return VOLSERREAD_DUMPERROR;
1427 volser_WriteFile(vnodeNumber, iodp, fdP, tag, &error);
1428 VNDISK_SET_LEN(vnode, vnodeLength);
1429 FDH_REALLYCLOSE(fdP);
1432 Log("1 Volser: ReadVnodes: IDEC inode %llu\n",
1433 (afs_uintmax_t) ino);
1434 IH_DEC(V_linkHandle(vp), ino, V_parentId(vp));
1435 V_needsSalvaged(vp) = 1;
1436 return VOLSERREAD_DUMPERROR;
1444 if (!HandleUnknownTag(iodp, tag, 2, critical))
1445 return VOLSERREAD_DUMPERROR;
1449 class = vnodeIdToClass(vnodeNumber);
1450 vcp = &VnodeClassInfo[class];
1452 /* Mark this vnode as in this dump - so we don't delete it later */
1454 idx = (vnodeIndexOffset(vcp, vnodeNumber) >> vcp->logSize) - 1;
1455 if (class == vLarge) {
1456 if (Lbuf && (idx < s1))
1459 if (Sbuf && (idx < s2))
1465 FdHandle_t *fdP = IH_OPEN(vp->vnodeIndex[class].handle);
1467 Log("1 Volser: ReadVnodes: Error opening vnode index: %s; restore aborted\n",
1468 afs_error_message(errno));
1469 V_needsSalvaged(vp) = 1;
1470 return VOLSERREAD_DUMPERROR;
1472 if (FDH_PREAD(fdP, &oldvnode, sizeof(oldvnode), vnodeIndexOffset(vcp, vnodeNumber)) ==
1474 if (oldvnode.type != vNull && VNDISK_GET_INO(&oldvnode)) {
1475 IH_DEC(V_linkHandle(vp), VNDISK_GET_INO(&oldvnode),
1479 vnode->vnodeMagic = vcp->magic;
1480 if (FDH_PWRITE(fdP, vnode, vcp->diskSize, vnodeIndexOffset(vcp, vnodeNumber)) != vcp->diskSize) {
1481 Log("1 Volser: ReadVnodes: Error writing vnode index: %s; restore aborted\n",
1482 afs_error_message(errno));
1483 FDH_REALLYCLOSE(fdP);
1484 V_needsSalvaged(vp) = 1;
1485 return VOLSERREAD_DUMPERROR;
1490 iod_ungetc(iodp, tag);
1496 /* called with disk file only. Note that we don't have to worry about rx_Read
1497 * needing to read an ungetc'd character, since the ReadInt32 will have read
1500 * if handleP == NULL, don't write the file anywhere; just read and discard
1504 volser_WriteFile(int vn, struct iod *iodp, FdHandle_t * handleP, int tag,
1509 afs_fsize_t filesize;
1510 afs_fsize_t written = 0;
1518 afs_uint32 filesize_high = 0L, filesize_low = 0L;
1520 if (!ReadInt32(iodp, &filesize_high)) {
1525 if (!ReadInt32(iodp, &filesize_low)) {
1529 FillInt64(filesize, filesize_high, filesize_low);
1531 p = (unsigned char *)malloc(size);
1536 for (nbytes = filesize; nbytes; nbytes -= size) {
1540 if ((code = iod_Read(iodp, (char *) p, size)) != size) {
1541 Log("1 Volser: WriteFile: Error reading dump file %d size=%llu nbytes=%u (%d of %u): %s; restore aborted\n", vn, (afs_uintmax_t) filesize, nbytes, code, (unsigned)size, afs_error_message(errno));
1546 nBytes = FDH_PWRITE(handleP, p, size, written);
1549 if (nBytes != size) {
1550 Log("1 Volser: WriteFile: Error writing (%u) bytes to vnode %d; %s; restore aborted\n", (int)(nBytes & 0xffffffff), vn, afs_error_message(errno));
1561 ReadDumpHeader(struct iod *iodp, struct DumpHeader *hp)
1564 afs_uint32 beginMagic;
1565 afs_int32 critical = 0;
1566 if (iod_getc(iodp) != D_DUMPHEADER || !ReadInt32(iodp, &beginMagic)
1567 || !ReadInt32(iodp, (afs_uint32 *) & hp->version)
1568 || beginMagic != DUMPBEGINMAGIC)
1572 while ((tag = iod_getc(iodp)) > D_MAX) {
1573 unsigned short arrayLength;
1579 if (!ReadInt32(iodp, &hp->volumeId))
1583 ReadString(iodp, hp->volumeName, sizeof(hp->volumeName));
1586 if (!ReadShort(iodp, &arrayLength))
1588 hp->nDumpTimes = (arrayLength >> 1);
1589 for (i = 0; i < hp->nDumpTimes; i++)
1590 if (!ReadInt32(iodp, (afs_uint32 *) & hp->dumpTimes[i].from)
1591 || !ReadInt32(iodp, (afs_uint32 *) & hp->dumpTimes[i].to))
1598 if (!HandleUnknownTag(iodp, tag, 0, critical))
1599 return VOLSERREAD_DUMPERROR;
1602 if (!hp->volumeId || !hp->nDumpTimes) {
1605 iod_ungetc(iodp, tag);
1610 /* ----- Below are the calls that calculate dump size ----- */
1613 SizeDumpVolumeHeader(struct iod *iodp, Volume * vp,
1614 struct volintSize *v_size)
1617 static char nullString[1] = ""; /*The ``contents'' of motd */
1620 /* if (!code) code = DumpTag(iodp, D_VOLUMEHEADER); */
1621 FillInt64(addvar,0, 1);
1622 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1623 /* if (!code) {code = DumpInt32(iodp, 'i',V_id(vp));} */
1624 FillInt64(addvar,0, 5);
1625 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1626 /* if (!code) code = DumpInt32(iodp, 'v',V_stamp(vp).version); */
1627 FillInt64(addvar,0, 5);
1628 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1629 /* if (!code) code = DumpString(iodp, 'n',V_name(vp)); */
1630 FillInt64(addvar,0, (2 + strlen(V_name(vp))));
1631 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1632 /* if (!code) code = DumpBool(iodp, 's',V_inService(vp)); */
1633 FillInt64(addvar,0, 2);
1634 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1635 /* if (!code) code = DumpBool(iodp, 'b',V_blessed(vp)); */
1636 FillInt64(addvar,0, 2);
1637 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1638 /* if (!code) code = DumpInt32(iodp, 'u',V_uniquifier(vp)); */
1639 FillInt64(addvar,0, 5);
1640 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1641 /* if (!code) code = DumpByte(iodp, 't',(byte)V_type(vp)); */
1642 FillInt64(addvar,0, 2);
1643 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1644 /* if (!code){ code = DumpInt32(iodp, 'p',V_parentId(vp));} */
1645 FillInt64(addvar,0, 5);
1646 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1647 /* if (!code) code = DumpInt32(iodp, 'c',V_cloneId(vp)); */
1648 FillInt64(addvar,0, 5);
1649 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1650 /* if (!code) code = DumpInt32(iodp, 'q',V_maxquota(vp)); */
1651 FillInt64(addvar,0, 5);
1652 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1653 /* if (!code) code = DumpInt32(iodp, 'm',V_minquota(vp)); */
1654 FillInt64(addvar,0, 5);
1655 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1656 /* if (!code) code = DumpInt32(iodp, 'd',V_diskused(vp)); */
1657 FillInt64(addvar,0, 5);
1658 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1659 /* if (!code) code = DumpInt32(iodp, 'f',V_filecount(vp)); */
1660 FillInt64(addvar,0, 5);
1661 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1662 /* if (!code) code = DumpInt32(iodp, 'a', V_accountNumber(vp)); */
1663 FillInt64(addvar,0, 5);
1664 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1665 /* if (!code) code = DumpInt32(iodp, 'o', V_owner(vp)); */
1666 FillInt64(addvar,0, 5);
1667 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1668 /* if (!code) code = DumpInt32(iodp, 'C',V_creationDate(vp)); /\* Rw volume creation date *\/ */
1669 FillInt64(addvar,0, 5);
1670 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1671 /* if (!code) code = DumpInt32(iodp, 'A',V_accessDate(vp)); */
1672 FillInt64(addvar,0, 5);
1673 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1674 /* if (!code) code = DumpInt32(iodp, 'U',V_updateDate(vp)); */
1675 FillInt64(addvar,0, 5);
1676 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1677 /* if (!code) code = DumpInt32(iodp, 'E',V_expirationDate(vp)); */
1678 FillInt64(addvar,0, 5);
1679 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1680 /* if (!code) code = DumpInt32(iodp, 'B',V_backupDate(vp)); /\* Rw volume backup clone date *\/ */
1681 FillInt64(addvar,0, 5);
1682 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1683 /* if (!code) code = DumpString(iodp, 'O',V_offlineMessage(vp)); */
1684 FillInt64(addvar,0, (2 + strlen(V_offlineMessage(vp))));
1685 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1687 /* * We do NOT dump the detailed volume statistics residing in the old */
1688 /* * motd field, since we cannot tell from the info in a dump whether */
1689 /* * statistics data has been put there. Instead, we dump a null string, */
1690 /* * just as if that was what the motd contained. */
1692 /* if (!code) code = DumpString(iodp, 'M', nullString); */
1693 FillInt64(addvar,0, (2 + strlen(nullString)));
1694 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1695 /* if (!code) code = DumpArrayInt32(iodp, 'W', (afs_uint32 *)V_weekUse(vp), sizeof(V_weekUse(vp))/sizeof(V_weekUse(vp)[0])); */
1696 FillInt64(addvar,0, (3 + 4 * (sizeof(V_weekUse(vp)) / sizeof(V_weekUse(vp)[0]))));
1697 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1698 /* if (!code) code = DumpInt32(iodp, 'D', V_dayUseDate(vp)); */
1699 FillInt64(addvar,0, 5);
1700 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1701 /* if (!code) code = DumpInt32(iodp, 'Z', V_dayUse(vp)); */
1702 FillInt64(addvar,0, 5);
1703 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1708 SizeDumpEnd(struct iod *iodp, struct volintSize *v_size)
1712 FillInt64(addvar,0, 5);
1713 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1718 SizeDumpVolume(struct rx_call *call, Volume * vp,
1719 afs_int32 fromtime, int dumpAllDirs,
1720 struct volintSize *v_size)
1723 struct iod *iodp = (struct iod *)0;
1724 /* iod_Init(iodp, call); */
1727 code = SizeDumpDumpHeader(iodp, vp, fromtime, v_size);
1729 code = SizeDumpPartial(iodp, vp, fromtime, dumpAllDirs, v_size);
1731 code = SizeDumpEnd(iodp, v_size);
1737 SizeDumpDumpHeader(struct iod *iodp, Volume * vp,
1738 afs_int32 fromtime, struct volintSize *v_size)
1741 /* int UseLatestReadOnlyClone = 1; */
1742 /* afs_int32 dumpTimes[2]; */
1744 /* iodp->device = vp->device; */
1745 /* iodp->parentId = V_parentId(vp); */
1746 /* iodp->dumpPartition = vp->partition; */
1748 ZeroInt64(v_size->dump_size); /* initialize the size */
1749 /* if (!code) code = DumpDouble(iodp, D_DUMPHEADER, DUMPBEGINMAGIC, DUMPVERSION); */
1750 FillInt64(addvar,0, 9);
1751 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1752 /* if (!code) code = DumpInt32(iodp, 'v', UseLatestReadOnlyClone? V_id(vp): V_parentId(vp)); */
1753 FillInt64(addvar,0, 5);
1754 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1755 /* if (!code) code = DumpString(iodp, 'n',V_name(vp)); */
1756 FillInt64(addvar,0, (2 + strlen(V_name(vp))));
1757 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1758 /* dumpTimes[0] = fromtime; */
1759 /* dumpTimes[1] = V_backupDate(vp); /\* Until the time the clone was made *\/ */
1760 /* if (!code) code = DumpArrayInt32(iodp, 't', (afs_uint32 *)dumpTimes, 2); */
1761 FillInt64(addvar,0, (3 + 4 * 2));
1762 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1767 SizeDumpVnode(struct iod *iodp, struct VnodeDiskObject *v, int volid,
1768 int vnodeNumber, int dumpEverything,
1769 struct volintSize *v_size)
1774 if (!v || v->type == vNull)
1776 /* if (!code) code = DumpDouble(iodp, D_VNODE, vnodeNumber, v->uniquifier); */
1777 FillInt64(addvar,0, 9);
1778 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1779 if (!dumpEverything)
1781 /* if (!code) code = DumpByte(iodp, 't',(byte)v->type); */
1782 FillInt64(addvar,0, 2);
1783 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1784 /* if (!code) code = DumpShort(iodp, 'l', v->linkCount); /\* May not need this *\/ */
1785 FillInt64(addvar,0, 3);
1786 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1787 /* if (!code) code = DumpInt32(iodp, 'v', v->dataVersion); */
1788 FillInt64(addvar,0, 5);
1789 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1790 /* if (!code) code = DumpInt32(iodp, 'm', v->unixModifyTime); */
1791 FillInt64(addvar,0, 5);
1792 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1793 /* if (!code) code = DumpInt32(iodp, 'a', v->author); */
1794 FillInt64(addvar,0, 5);
1795 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1796 /* if (!code) code = DumpInt32(iodp, 'o', v->owner); */
1797 FillInt64(addvar,0, 5);
1798 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1799 /* if (!code && v->group) code = DumpInt32(iodp, 'g', v->group); /\* default group is 0 *\/ */
1801 FillInt64(addvar,0, 5);
1802 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1804 /* if (!code) code = DumpShort(iodp, 'b', v->modeBits); */
1805 FillInt64(addvar,0, 3);
1806 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1807 /* if (!code) code = DumpInt32(iodp, 'p', v->parent); */
1808 FillInt64(addvar,0, 5);
1809 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1810 /* if (!code) code = DumpInt32(iodp, 's', v->serverModifyTime); */
1811 FillInt64(addvar,0, 5);
1812 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1813 if (v->type == vDirectory) {
1814 /* acl_HtonACL(VVnodeDiskACL(v)); */
1815 /* if (!code) code = DumpByteString(iodp, 'A', (byte *) VVnodeDiskACL(v), VAclDiskSize(v)); */
1816 FillInt64(addvar,0, (1 + VAclDiskSize(v)));
1817 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1820 if (VNDISK_GET_INO(v)) {
1821 FillInt64(addvar,0, (v->length + 5));
1822 AddUInt64(v_size->dump_size, addvar, &v_size->dump_size);
1827 /* A partial dump (no dump header) */
1829 SizeDumpPartial(struct iod *iodp, Volume * vp,
1830 afs_int32 fromtime, int dumpAllDirs,
1831 struct volintSize *v_size)
1835 code = SizeDumpVolumeHeader(iodp, vp, v_size);
1838 SizeDumpVnodeIndex(iodp, vp, vLarge, fromtime, dumpAllDirs,
1841 code = SizeDumpVnodeIndex(iodp, vp, vSmall, fromtime, 0, v_size);
1846 SizeDumpVnodeIndex(struct iod *iodp, Volume * vp, VnodeClass class,
1847 afs_int32 fromtime, int forcedump,
1848 struct volintSize *v_size)
1851 struct VnodeClassInfo *vcp = &VnodeClassInfo[class];
1852 char buf[SIZEOF_LARGEDISKVNODE];
1853 struct VnodeDiskObject *vnode = (struct VnodeDiskObject *)buf;
1854 StreamHandle_t *file;
1856 afs_sfsize_t size, nVnodes;
1860 fdP = IH_OPEN(vp->vnodeIndex[class].handle);
1861 osi_Assert(fdP != NULL);
1862 file = FDH_FDOPEN(fdP, "r+");
1863 osi_Assert(file != NULL);
1864 size = OS_SIZE(fdP->fd_fd);
1865 osi_Assert(size != -1);
1866 nVnodes = (size / vcp->diskSize) - 1;
1868 osi_Assert((nVnodes + 1) * vcp->diskSize == size);
1869 osi_Assert(STREAM_ASEEK(file, vcp->diskSize) == 0);
1872 for (vnodeIndex = 0;
1873 nVnodes && STREAM_READ(vnode, vcp->diskSize, 1, file) == 1 && !code;
1874 nVnodes--, vnodeIndex++) {
1875 flag = forcedump || (vnode->serverModifyTime >= fromtime);
1876 /* Note: the >= test is very important since some old volumes may not have
1877 * a serverModifyTime. For an epoch dump, this results in 0>=0 test, which
1878 * does dump the file! */
1881 SizeDumpVnode(iodp, vnode, V_id(vp),
1882 bitNumberToVnodeNumber(vnodeIndex, class), flag,