1 /* $Id: extract.c,v 1.157.2.4 2006-08-14 10:38:57 adam Exp $
2 Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004
5 This file is part of the Zebra server.
7 Zebra is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
38 #if _FILE_OFFSET_BITS == 64
39 #define PRINTF_OFF_T "%Ld"
41 #define PRINTF_OFF_T "%ld"
44 #define USE_SHELLSORT 0
47 static void shellsort(void *ar, int r, size_t s,
48 int (*cmp)(const void *a, const void *b))
53 static const int incs[16] = { 1391376, 463792, 198768, 86961, 33936,
54 13776, 4592, 1968, 861, 336,
55 112, 48, 21, 7, 3, 1 };
56 for ( k = 0; k < 16; k++)
57 for (h = incs[k], i = h; i < r; i++)
61 while (j > h && (*cmp)(a + s*(j-h), v) > 0)
63 memcpy (a + s*j, a + s*(j-h), s);
71 static void logRecord (ZebraHandle zh)
73 ++zh->records_processed;
74 if (!(zh->records_processed % 1000))
76 logf (LOG_LOG, "Records: %7d i/u/d %d/%d/%d",
77 zh->records_processed, zh->records_inserted, zh->records_updated,
82 static void extract_init (struct recExtractCtrl *p, RecWord *w)
84 w->zebra_maps = p->zebra_maps;
86 w->attrSet = VAL_BIB1;
92 static const char **searchRecordKey (ZebraHandle zh,
93 struct recKeys *reckeys,
94 int attrSetS, int attrUseS)
96 static const char *ws[32];
108 for (i = 0; i<32; i++)
112 chS = zebraExplain_lookupSU (zh->reg->zei, attrSetS, attrUseS);
116 while (off < reckeys->buf_used)
119 const char *src = reckeys->buf + off;
127 memcpy (&ch, src, sizeof(ch));
133 memcpy (&attrSet, src, sizeof(attrSet));
134 src += sizeof(attrSet);
138 memcpy (&attrUse, src, sizeof(attrUse));
139 src += sizeof(attrUse);
146 seqno += ((lead>>2) & 15)-1;
149 memcpy (&seqno, src, sizeof(seqno));
150 src += sizeof(seqno);
156 attrUseS == attrUse && attrSetS == attrSet
165 woff = seqno - startSeq;
166 if (woff >= 0 && woff < 31)
170 off = src - reckeys->buf;
172 assert (off == reckeys->buf_used);
176 struct file_read_info {
177 off_t file_max; /* maximum offset so far */
178 off_t file_offset; /* current offset */
179 off_t file_moffset; /* offset of rec/rec boundary */
186 static struct file_read_info *file_read_start (int fd)
188 struct file_read_info *fi = (struct file_read_info *)
189 xmalloc (sizeof(*fi));
193 fi->file_moffset = 0;
199 static void file_read_stop (struct file_read_info *fi)
204 static off_t file_seek (void *handle, off_t offset)
206 struct file_read_info *p = (struct file_read_info *) handle;
207 p->file_offset = offset;
210 return lseek (p->fd, offset, SEEK_SET);
213 static off_t file_tell (void *handle)
215 struct file_read_info *p = (struct file_read_info *) handle;
216 return p->file_offset;
219 static int file_read (void *handle, char *buf, size_t count)
221 struct file_read_info *p = (struct file_read_info *) handle;
227 if (r > p->sdrmax - p->file_offset)
228 r = p->sdrmax - p->file_offset;
230 memcpy (buf, p->sdrbuf + p->file_offset, r);
233 r = read (fd, buf, count);
237 if (p->file_offset > p->file_max)
238 p->file_max = p->file_offset;
243 static void file_begin (void *handle)
245 struct file_read_info *p = (struct file_read_info *) handle;
247 p->file_offset = p->file_moffset;
248 if (!p->sdrbuf && p->file_moffset)
249 lseek (p->fd, p->file_moffset, SEEK_SET);
253 static void file_end (void *handle, off_t offset)
255 struct file_read_info *p = (struct file_read_info *) handle;
257 assert (p->file_more == 0);
259 p->file_moffset = offset;
262 #define FILE_MATCH_BLANK "\t "
264 static char *fileMatchStr (ZebraHandle zh,
265 struct recKeys *reckeys,
266 const char *fname, const char *spec)
268 static char dstBuf[2048]; /* static here ??? */
270 const char *s = spec;
271 static const char **w;
275 for (; *s && strchr(FILE_MATCH_BLANK, *s); s++)
281 char attset_str[64], attname_str[64];
282 data1_attset *attset;
284 int attSet = 1, attUse = 1;
287 for (s++; strchr(FILE_MATCH_BLANK, *s); s++)
289 for (i = 0; *s && *s != ',' && *s != ')' &&
290 !strchr(FILE_MATCH_BLANK, *s); s++)
291 if (i+1 < sizeof(attset_str))
292 attset_str[i++] = *s;
293 attset_str[i] = '\0';
295 for (; strchr(FILE_MATCH_BLANK, *s); s++)
299 for (s++; strchr(FILE_MATCH_BLANK, *s); s++)
301 for (i = 0; *s && *s != ')' &&
302 !strchr(FILE_MATCH_BLANK, *s); s++)
303 if (i+1 < sizeof(attname_str))
304 attname_str[i++] = *s;
305 attname_str[i] = '\0';
308 if ((attset = data1_get_attset (zh->reg->dh, attset_str)))
311 attSet = attset->reference;
312 att = data1_getattbyname(zh->reg->dh, attset, attname_str);
316 attUse = atoi (attname_str);
318 w = searchRecordKey (zh, reckeys, attSet, attUse);
321 for (; strchr(FILE_MATCH_BLANK, *s); s++)
325 logf (LOG_WARN, "Missing ) in match criteria %s in group %s",
326 spec, zh->m_group ? zh->m_group : "none");
330 for (i = 0; i<32; i++)
343 logf (LOG_WARN, "Record didn't contain match"
344 " fields in (%s,%s)", attset_str, attname_str);
352 const char *spec_src = NULL;
353 const char *s1 = ++s;
354 while (*s1 && !strchr(FILE_MATCH_BLANK, *s1))
358 if (spec_len > sizeof(special)-1)
359 spec_len = sizeof(special)-1;
360 memcpy (special, s, spec_len);
361 special[spec_len] = '\0';
364 if (!strcmp (special, "group"))
365 spec_src = zh->m_group;
366 else if (!strcmp (special, "database"))
367 spec_src = zh->basenames[0];
368 else if (!strcmp (special, "filename")) {
371 else if (!strcmp (special, "type"))
372 spec_src = zh->m_record_type;
377 strcpy (dst, spec_src);
378 dst += strlen (spec_src);
381 else if (*s == '\"' || *s == '\'')
383 int stopMarker = *s++;
387 while (*s && *s != stopMarker)
389 if (i+1 < sizeof(tmpString))
390 tmpString[i++] = *s++;
395 strcpy (dst, tmpString);
396 dst += strlen (tmpString);
400 logf (LOG_WARN, "Syntax error in match criteria %s in group %s",
401 spec, zh->m_group ? zh->m_group : "none");
408 logf (LOG_WARN, "No match criteria for record %s in group %s",
409 fname, zh->m_group ? zh->m_group : "none");
416 struct recordLogInfo {
419 struct recordGroup *rGroup;
422 static int file_extract_record(ZebraHandle zh,
423 SYSNO *sysno, const char *fname,
425 struct file_read_info *fi,
428 RecordAttr *recordAttr;
430 const char *matchStr;
433 off_t recordOffset = 0;
439 recType_byName (zh->reg->recTypes, zh->m_record_type, subType,
442 logf (LOG_WARN, "No such record type: %s", zh->m_record_type);
446 /* announce database */
447 if (zebraExplain_curDatabase (zh->reg->zei, zh->basenames[0]))
449 if (zebraExplain_newDatabase (zh->reg->zei, zh->basenames[0],
450 zh->m_explain_database))
456 struct recExtractCtrl extractCtrl;
458 /* we are going to read from a file, so prepare the extraction */
461 zh->reg->keys.buf_used = 0;
462 zh->reg->keys.prevAttrUse = -1;
463 zh->reg->keys.prevAttrSet = -1;
464 zh->reg->keys.prevSeqNo = 0;
465 zh->reg->sortKeys.buf_used = 0;
467 recordOffset = fi->file_moffset;
468 extractCtrl.offset = fi->file_moffset;
469 extractCtrl.readf = file_read;
470 extractCtrl.seekf = file_seek;
471 extractCtrl.tellf = file_tell;
472 extractCtrl.endf = file_end;
474 extractCtrl.subType = subType;
475 extractCtrl.init = extract_init;
476 extractCtrl.tokenAdd = extract_token_add;
477 extractCtrl.schemaAdd = extract_schema_add;
478 extractCtrl.dh = zh->reg->dh;
479 extractCtrl.handle = zh;
480 for (i = 0; i<256; i++)
482 if (zebra_maps_is_positioned(zh->reg->zebra_maps, i))
483 extractCtrl.seqno[i] = 1;
485 extractCtrl.seqno[i] = 0;
487 extractCtrl.zebra_maps = zh->reg->zebra_maps;
488 extractCtrl.flagShowRecords = !zh->m_flag_rw;
491 printf ("File: %s " PRINTF_OFF_T "\n", fname, recordOffset);
495 sprintf (msg, "%s:" PRINTF_OFF_T , fname, recordOffset);
496 yaz_log_init_prefix2 (msg);
499 r = (*recType->extract)(clientData, &extractCtrl);
501 yaz_log_init_prefix2 (0);
502 if (r == RECCTRL_EXTRACT_EOF)
504 else if (r == RECCTRL_EXTRACT_ERROR_GENERIC)
506 /* error occured during extraction ... */
508 zh->records_processed < zh->m_file_verbose_limit)
510 logf (LOG_WARN, "fail %s %s " PRINTF_OFF_T, zh->m_record_type,
511 fname, recordOffset);
515 else if (r == RECCTRL_EXTRACT_ERROR_NO_SUCH_FILTER)
517 /* error occured during extraction ... */
519 zh->records_processed < zh->m_file_verbose_limit)
521 logf (LOG_WARN, "no filter for %s %s "
522 PRINTF_OFF_T, zh->m_record_type,
523 fname, recordOffset);
527 if (zh->reg->keys.buf_used == 0)
529 /* the extraction process returned no information - the record
530 is probably empty - unless flagShowRecords is in use */
534 logf (LOG_WARN, "empty %s %s " PRINTF_OFF_T, zh->m_record_type,
535 fname, recordOffset);
540 /* perform match if sysno not known and if match criteria is specified */
547 if (zh->m_record_id && *zh->m_record_id)
551 matchStr = fileMatchStr (zh, &zh->reg->keys, fname,
555 rinfo = dict_lookup (zh->reg->matchDict, matchStr);
557 memcpy (sysno, rinfo+1, sizeof(*sysno));
561 logf (LOG_WARN, "Bad match criteria");
572 logf (LOG_LOG, "delete %s %s " PRINTF_OFF_T, zh->m_record_type,
573 fname, recordOffset);
574 logf (LOG_WARN, "cannot delete record above (seems new)");
577 if (zh->records_processed < zh->m_file_verbose_limit)
578 logf (LOG_LOG, "add %s %s " PRINTF_OFF_T, zh->m_record_type,
579 fname, recordOffset);
580 rec = rec_new (zh->reg->records);
584 recordAttr = rec_init_attr (zh->reg->zei, rec);
588 dict_insert (zh->reg->matchDict, matchStr, sizeof(*sysno), sysno);
590 extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
591 extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
593 zh->records_inserted++;
597 /* record already exists */
598 struct recKeys delkeys;
599 struct sortKeys sortKeys;
601 rec = rec_get (zh->reg->records, *sysno);
604 recordAttr = rec_init_attr (zh->reg->zei, rec);
606 if (!force_update && recordAttr->runNumber ==
607 zebraExplain_runNumberIncrement (zh->reg->zei, 0))
609 yaz_log (LOG_LOG, "run number = %d", recordAttr->runNumber);
610 yaz_log (LOG_LOG, "skipped %s %s " PRINTF_OFF_T,
611 zh->m_record_type, fname, recordOffset);
612 extract_flushSortKeys (zh, *sysno, -1, &zh->reg->sortKeys);
617 delkeys.buf_used = rec->size[recInfo_delKeys];
618 delkeys.buf = rec->info[recInfo_delKeys];
620 sortKeys.buf_used = rec->size[recInfo_sortKeys];
621 sortKeys.buf = rec->info[recInfo_sortKeys];
623 extract_flushSortKeys (zh, *sysno, 0, &sortKeys);
624 extract_flushRecordKeys (zh, *sysno, 0, &delkeys);
627 /* record going to be deleted */
628 if (!delkeys.buf_used)
630 logf (LOG_LOG, "delete %s %s " PRINTF_OFF_T,
631 zh->m_record_type, fname, recordOffset);
632 logf (LOG_WARN, "cannot delete file above, storeKeys false");
636 if (zh->records_processed < zh->m_file_verbose_limit)
637 logf (LOG_LOG, "delete %s %s " PRINTF_OFF_T,
638 zh->m_record_type, fname, recordOffset);
639 zh->records_deleted++;
641 dict_delete (zh->reg->matchDict, matchStr);
642 rec_del (zh->reg->records, &rec);
650 /* record going to be updated */
651 if (!delkeys.buf_used)
653 logf (LOG_LOG, "update %s %s " PRINTF_OFF_T,
654 zh->m_record_type, fname, recordOffset);
655 logf (LOG_WARN, "cannot update file above, storeKeys false");
659 if (zh->records_processed < zh->m_file_verbose_limit)
660 logf (LOG_LOG, "update %s %s " PRINTF_OFF_T,
661 zh->m_record_type, fname, recordOffset);
662 extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
663 extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
664 zh->records_updated++;
668 /* update file type */
669 xfree (rec->info[recInfo_fileType]);
670 rec->info[recInfo_fileType] =
671 rec_strdup (zh->m_record_type, &rec->size[recInfo_fileType]);
673 /* update filename */
674 xfree (rec->info[recInfo_filename]);
675 rec->info[recInfo_filename] =
676 rec_strdup (fname, &rec->size[recInfo_filename]);
678 /* update delete keys */
679 xfree (rec->info[recInfo_delKeys]);
680 if (zh->reg->keys.buf_used > 0 && zh->m_store_keys == 1)
682 rec->size[recInfo_delKeys] = zh->reg->keys.buf_used;
683 rec->info[recInfo_delKeys] = zh->reg->keys.buf;
684 zh->reg->keys.buf = NULL;
685 zh->reg->keys.buf_max = 0;
689 rec->info[recInfo_delKeys] = NULL;
690 rec->size[recInfo_delKeys] = 0;
693 /* update sort keys */
694 xfree (rec->info[recInfo_sortKeys]);
696 rec->size[recInfo_sortKeys] = zh->reg->sortKeys.buf_used;
697 rec->info[recInfo_sortKeys] = zh->reg->sortKeys.buf;
698 zh->reg->sortKeys.buf = NULL;
699 zh->reg->sortKeys.buf_max = 0;
701 /* save file size of original record */
702 zebraExplain_recordBytesIncrement (zh->reg->zei,
703 - recordAttr->recordSize);
704 recordAttr->recordSize = fi->file_moffset - recordOffset;
705 if (!recordAttr->recordSize)
706 recordAttr->recordSize = fi->file_max - recordOffset;
707 zebraExplain_recordBytesIncrement (zh->reg->zei,
708 recordAttr->recordSize);
710 /* set run-number for this record */
711 recordAttr->runNumber = zebraExplain_runNumberIncrement (zh->reg->zei,
714 /* update store data */
715 xfree (rec->info[recInfo_storeData]);
716 if (zh->m_store_data)
718 rec->size[recInfo_storeData] = recordAttr->recordSize;
719 rec->info[recInfo_storeData] = (char *)
720 xmalloc (recordAttr->recordSize);
721 if (lseek (fi->fd, recordOffset, SEEK_SET) < 0)
723 logf (LOG_ERRNO|LOG_FATAL, "seek to " PRINTF_OFF_T " in %s",
724 recordOffset, fname);
727 if (read (fi->fd, rec->info[recInfo_storeData], recordAttr->recordSize)
728 < recordAttr->recordSize)
730 logf (LOG_ERRNO|LOG_FATAL, "read %d bytes of %s",
731 recordAttr->recordSize, fname);
737 rec->info[recInfo_storeData] = NULL;
738 rec->size[recInfo_storeData] = 0;
740 /* update database name */
741 xfree (rec->info[recInfo_databaseName]);
742 rec->info[recInfo_databaseName] =
743 rec_strdup (zh->basenames[0], &rec->size[recInfo_databaseName]);
746 recordAttr->recordOffset = recordOffset;
748 /* commit this record */
749 rec_put (zh->reg->records, &rec);
754 int fileExtract (ZebraHandle zh, SYSNO *sysno, const char *fname,
761 struct file_read_info *fi;
762 const char *original_record_type = 0;
764 if (!zh->m_group || !*zh->m_group)
767 sprintf (gprefix, "%s.", zh->m_group);
769 logf (LOG_DEBUG, "fileExtract %s", fname);
771 /* determine file extension */
773 for (i = strlen(fname); --i >= 0; )
776 else if (fname[i] == '.')
778 strcpy (ext, fname+i+1);
781 /* determine file type - depending on extension */
782 original_record_type = zh->m_record_type;
783 if (!zh->m_record_type)
785 sprintf (ext_res, "%srecordType.%s", gprefix, ext);
786 zh->m_record_type = res_get (zh->res, ext_res);
788 if (!zh->m_record_type)
790 if (zh->records_processed < zh->m_file_verbose_limit)
791 logf (LOG_LOG, "? %s", fname);
794 /* determine match criteria */
795 if (!zh->m_record_id)
797 sprintf (ext_res, "%srecordId.%s", gprefix, ext);
798 zh->m_record_id = res_get (zh->res, ext_res);
801 if (sysno && deleteFlag)
807 if (zh->path_reg && !yaz_is_abspath (fname))
809 strcpy (full_rep, zh->path_reg);
810 strcat (full_rep, "/");
811 strcat (full_rep, fname);
814 strcpy (full_rep, fname);
817 if ((fd = open (full_rep, O_BINARY|O_RDONLY)) == -1)
819 logf (LOG_WARN|LOG_ERRNO, "open %s", full_rep);
820 zh->m_record_type = original_record_type;
824 fi = file_read_start (fd);
828 r = file_extract_record (zh, sysno, fname, deleteFlag, fi, 1);
829 } while (r && !sysno && fi->file_more);
833 zh->m_record_type = original_record_type;
838 If sysno is provided, then it's used to identify the reocord.
839 If not, and match_criteria is provided, then sysno is guessed
840 If not, and a record is provided, then sysno is got from there
843 int buffer_extract_record (ZebraHandle zh,
844 const char *buf, size_t buf_size,
847 const char *recordType,
849 const char *match_criteria,
854 RecordAttr *recordAttr;
855 struct recExtractCtrl extractCtrl;
857 const char *matchStr = 0;
858 RecType recType = NULL;
862 long recordOffset = 0;
863 struct zebra_fetch_control fc;
864 const char *pr_fname = fname; /* filename to print .. */
867 pr_fname = "<no file>"; /* make it printable if file is omitted */
870 fc.record_int_buf = buf;
871 fc.record_int_len = buf_size;
872 fc.record_int_pos = 0;
874 fc.record_offset = 0;
876 extractCtrl.offset = 0;
877 extractCtrl.readf = zebra_record_int_read;
878 extractCtrl.seekf = zebra_record_int_seek;
879 extractCtrl.tellf = zebra_record_int_tell;
880 extractCtrl.endf = zebra_record_int_end;
881 extractCtrl.fh = &fc;
883 zh->reg->keys.buf_used = 0;
884 zh->reg->keys.prevAttrUse = -1;
885 zh->reg->keys.prevAttrSet = -1;
886 zh->reg->keys.prevSeqNo = 0;
887 zh->reg->sortKeys.buf_used = 0;
889 if (zebraExplain_curDatabase (zh->reg->zei, zh->basenames[0]))
891 if (zebraExplain_newDatabase (zh->reg->zei, zh->basenames[0],
892 zh->m_explain_database))
896 if (recordType && *recordType) {
897 logf (LOG_DEBUG, "Record type explicitly specified: %s", recordType);
898 recType = recType_byName (zh->reg->recTypes, recordType, subType,
901 if (!(zh->m_record_type)) {
902 logf (LOG_WARN, "No such record type defined");
905 logf (LOG_DEBUG, "Get record type from rgroup: %s",zh->m_record_type);
906 recType = recType_byName (zh->reg->recTypes, zh->m_record_type, subType,
908 recordType = zh->m_record_type;
912 logf (LOG_WARN, "No such record type: %s", zh->m_record_type);
916 extractCtrl.subType = subType;
917 extractCtrl.init = extract_init;
918 extractCtrl.tokenAdd = extract_token_add;
919 extractCtrl.schemaAdd = extract_schema_add;
920 extractCtrl.dh = zh->reg->dh;
921 extractCtrl.handle = zh;
922 extractCtrl.zebra_maps = zh->reg->zebra_maps;
923 extractCtrl.flagShowRecords = 0;
924 for (i = 0; i<256; i++)
926 if (zebra_maps_is_positioned(zh->reg->zebra_maps, i))
927 extractCtrl.seqno[i] = 1;
929 extractCtrl.seqno[i] = 0;
932 r = (*recType->extract)(clientData, &extractCtrl);
934 if (r == RECCTRL_EXTRACT_EOF)
936 else if (r == RECCTRL_EXTRACT_ERROR_GENERIC)
938 /* error occured during extraction ... */
939 yaz_log (LOG_WARN, "extract error: generic");
942 else if (r == RECCTRL_EXTRACT_ERROR_NO_SUCH_FILTER)
944 /* error occured during extraction ... */
945 yaz_log (LOG_WARN, "extract error: no such filter");
948 if (zh->reg->keys.buf_used == 0)
950 /* the extraction process returned no information - the record
951 is probably empty - unless flagShowRecords is in use */
954 logf (LOG_WARN, "No keys generated for record");
955 logf (LOG_WARN, " The file is probably empty");
963 if (match_criteria && *match_criteria) {
964 matchStr = match_criteria;
966 if (zh->m_record_id && *zh->m_record_id) {
967 matchStr = fileMatchStr (zh, &zh->reg->keys, pr_fname,
971 logf (LOG_WARN, "Bad match criteria (recordID)");
977 rinfo = dict_lookup (zh->reg->matchDict, matchStr);
979 memcpy (sysno, rinfo+1, sizeof(*sysno));
988 logf (LOG_LOG, "delete %s %s %ld", recordType,
989 pr_fname, (long) recordOffset);
990 logf (LOG_WARN, "cannot delete record above (seems new)");
993 logf (LOG_LOG, "add %s %s %ld", recordType, pr_fname,
994 (long) recordOffset);
995 rec = rec_new (zh->reg->records);
999 recordAttr = rec_init_attr (zh->reg->zei, rec);
1003 dict_insert (zh->reg->matchDict, matchStr,
1004 sizeof(*sysno), sysno);
1006 extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
1007 extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
1009 zh->records_inserted++;
1013 /* record already exists */
1014 struct recKeys delkeys;
1015 struct sortKeys sortKeys;
1017 if (!allow_update) {
1018 logf (LOG_LOG, "skipped %s %s %ld",
1019 recordType, pr_fname, (long) recordOffset);
1024 rec = rec_get (zh->reg->records, *sysno);
1027 recordAttr = rec_init_attr (zh->reg->zei, rec);
1029 if (!force_update) {
1030 if (recordAttr->runNumber ==
1031 zebraExplain_runNumberIncrement (zh->reg->zei, 0))
1033 logf (LOG_LOG, "skipped %s %s %ld", recordType,
1034 pr_fname, (long) recordOffset);
1035 extract_flushSortKeys (zh, *sysno, -1, &zh->reg->sortKeys);
1042 delkeys.buf_used = rec->size[recInfo_delKeys];
1043 delkeys.buf = rec->info[recInfo_delKeys];
1045 sortKeys.buf_used = rec->size[recInfo_sortKeys];
1046 sortKeys.buf = rec->info[recInfo_sortKeys];
1048 extract_flushSortKeys (zh, *sysno, 0, &sortKeys);
1049 extract_flushRecordKeys (zh, *sysno, 0, &delkeys);
1052 /* record going to be deleted */
1053 if (!delkeys.buf_used)
1055 logf (LOG_LOG, "delete %s %s %ld", recordType,
1056 pr_fname, (long) recordOffset);
1057 logf (LOG_WARN, "cannot delete file above, storeKeys false");
1061 logf (LOG_LOG, "delete %s %s %ld", recordType,
1062 pr_fname, (long) recordOffset);
1063 zh->records_deleted++;
1065 dict_delete (zh->reg->matchDict, matchStr);
1066 rec_del (zh->reg->records, &rec);
1074 /* record going to be updated */
1075 if (!delkeys.buf_used)
1077 logf (LOG_LOG, "update %s %s %ld", recordType,
1078 pr_fname, (long) recordOffset);
1079 logf (LOG_WARN, "cannot update file above, storeKeys false");
1083 logf (LOG_LOG, "update %s %s %ld", recordType,
1084 pr_fname, (long) recordOffset);
1085 extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
1086 extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
1087 zh->records_updated++;
1091 /* update file type */
1092 xfree (rec->info[recInfo_fileType]);
1093 rec->info[recInfo_fileType] =
1094 rec_strdup (recordType, &rec->size[recInfo_fileType]);
1096 /* update filename */
1097 xfree (rec->info[recInfo_filename]);
1098 rec->info[recInfo_filename] =
1099 rec_strdup (fname, &rec->size[recInfo_filename]);
1101 /* update delete keys */
1102 xfree (rec->info[recInfo_delKeys]);
1103 if (zh->reg->keys.buf_used > 0 && zh->m_store_keys == 1)
1105 rec->size[recInfo_delKeys] = zh->reg->keys.buf_used;
1106 rec->info[recInfo_delKeys] = zh->reg->keys.buf;
1107 zh->reg->keys.buf = NULL;
1108 zh->reg->keys.buf_max = 0;
1112 rec->info[recInfo_delKeys] = NULL;
1113 rec->size[recInfo_delKeys] = 0;
1116 /* update sort keys */
1117 xfree (rec->info[recInfo_sortKeys]);
1119 rec->size[recInfo_sortKeys] = zh->reg->sortKeys.buf_used;
1120 rec->info[recInfo_sortKeys] = zh->reg->sortKeys.buf;
1121 zh->reg->sortKeys.buf = NULL;
1122 zh->reg->sortKeys.buf_max = 0;
1124 /* save file size of original record */
1125 zebraExplain_recordBytesIncrement (zh->reg->zei,
1126 - recordAttr->recordSize);
1128 recordAttr->recordSize = fi->file_moffset - recordOffset;
1129 if (!recordAttr->recordSize)
1130 recordAttr->recordSize = fi->file_max - recordOffset;
1132 recordAttr->recordSize = buf_size;
1134 zebraExplain_recordBytesIncrement (zh->reg->zei,
1135 recordAttr->recordSize);
1137 /* set run-number for this record */
1138 recordAttr->runNumber =
1139 zebraExplain_runNumberIncrement (zh->reg->zei, 0);
1141 /* update store data */
1142 xfree (rec->info[recInfo_storeData]);
1143 if (zh->m_store_data)
1145 rec->size[recInfo_storeData] = recordAttr->recordSize;
1146 rec->info[recInfo_storeData] = (char *)
1147 xmalloc (recordAttr->recordSize);
1148 memcpy (rec->info[recInfo_storeData], buf, recordAttr->recordSize);
1152 rec->info[recInfo_storeData] = NULL;
1153 rec->size[recInfo_storeData] = 0;
1155 /* update database name */
1156 xfree (rec->info[recInfo_databaseName]);
1157 rec->info[recInfo_databaseName] =
1158 rec_strdup (zh->basenames[0], &rec->size[recInfo_databaseName]);
1161 recordAttr->recordOffset = recordOffset;
1163 /* commit this record */
1164 rec_put (zh->reg->records, &rec);
1169 int explain_extract (void *handle, Record rec, data1_node *n)
1171 ZebraHandle zh = (ZebraHandle) handle;
1172 struct recExtractCtrl extractCtrl;
1175 if (zebraExplain_curDatabase (zh->reg->zei,
1176 rec->info[recInfo_databaseName]))
1179 if (zebraExplain_newDatabase (zh->reg->zei,
1180 rec->info[recInfo_databaseName], 0))
1184 zh->reg->keys.buf_used = 0;
1185 zh->reg->keys.prevAttrUse = -1;
1186 zh->reg->keys.prevAttrSet = -1;
1187 zh->reg->keys.prevSeqNo = 0;
1188 zh->reg->sortKeys.buf_used = 0;
1190 extractCtrl.init = extract_init;
1191 extractCtrl.tokenAdd = extract_token_add;
1192 extractCtrl.schemaAdd = extract_schema_add;
1193 extractCtrl.dh = zh->reg->dh;
1194 for (i = 0; i<256; i++)
1195 extractCtrl.seqno[i] = 0;
1196 extractCtrl.zebra_maps = zh->reg->zebra_maps;
1197 extractCtrl.flagShowRecords = 0;
1198 extractCtrl.handle = handle;
1201 grs_extract_tree(&extractCtrl, n);
1203 if (rec->size[recInfo_delKeys])
1205 struct recKeys delkeys;
1206 struct sortKeys sortkeys;
1208 delkeys.buf_used = rec->size[recInfo_delKeys];
1209 delkeys.buf = rec->info[recInfo_delKeys];
1211 sortkeys.buf_used = rec->size[recInfo_sortKeys];
1212 sortkeys.buf = rec->info[recInfo_sortKeys];
1214 extract_flushSortKeys (zh, rec->sysno, 0, &sortkeys);
1215 extract_flushRecordKeys (zh, rec->sysno, 0, &delkeys);
1217 extract_flushRecordKeys (zh, rec->sysno, 1, &zh->reg->keys);
1218 extract_flushSortKeys (zh, rec->sysno, 1, &zh->reg->sortKeys);
1220 xfree (rec->info[recInfo_delKeys]);
1221 rec->size[recInfo_delKeys] = zh->reg->keys.buf_used;
1222 rec->info[recInfo_delKeys] = zh->reg->keys.buf;
1223 zh->reg->keys.buf = NULL;
1224 zh->reg->keys.buf_max = 0;
1226 xfree (rec->info[recInfo_sortKeys]);
1227 rec->size[recInfo_sortKeys] = zh->reg->sortKeys.buf_used;
1228 rec->info[recInfo_sortKeys] = zh->reg->sortKeys.buf;
1229 zh->reg->sortKeys.buf = NULL;
1230 zh->reg->sortKeys.buf_max = 0;
1235 void extract_flushRecordKeys (ZebraHandle zh, SYSNO sysno,
1236 int cmd, struct recKeys *reckeys)
1240 unsigned char attrSet = (unsigned char) -1;
1241 unsigned short attrUse = (unsigned short) -1;
1246 ZebraExplainInfo zei = zh->reg->zei;
1248 if (!zh->reg->key_buf)
1250 int mem= 1024*1024* atoi( res_get_def( zh->res, "memmax", "8"));
1253 logf(LOG_WARN, "Invalid memory setting, using default 8 MB");
1256 /* FIXME: That "8" should be in a default settings include */
1257 /* not hard-coded here! -H */
1258 zh->reg->key_buf = (char**) xmalloc (mem);
1259 zh->reg->ptr_top = mem/sizeof(char*);
1261 zh->reg->key_buf_used = 0;
1262 zh->reg->key_file_no = 0;
1264 zebraExplain_recordCountIncrement (zei, cmd ? 1 : -1);
1265 while (off < reckeys->buf_used)
1267 const char *src = reckeys->buf + off;
1276 memcpy (&ch, src, sizeof(ch));
1282 memcpy (&attrSet, src, sizeof(attrSet));
1283 src += sizeof(attrSet);
1287 memcpy (&attrUse, src, sizeof(attrUse));
1288 src += sizeof(attrUse);
1291 if (zh->reg->key_buf_used + 1024 >
1292 (zh->reg->ptr_top -zh->reg->ptr_i)*sizeof(char*))
1293 extract_flushWriteKeys (zh,0);
1294 assert(zh->reg->ptr_i >= 0);
1296 assert(zh->reg->ptr_i > 0);
1297 (zh->reg->key_buf)[zh->reg->ptr_top - zh->reg->ptr_i] =
1298 (char*)zh->reg->key_buf + zh->reg->key_buf_used;
1301 ch = zebraExplain_lookupSU (zei, attrSet, attrUse);
1303 ch = zebraExplain_addSU (zei, attrSet, attrUse);
1306 zh->reg->key_buf_used +=
1307 key_SU_encode (ch,((char*)zh->reg->key_buf) +
1308 zh->reg->key_buf_used);
1311 ((char*)zh->reg->key_buf) [(zh->reg->key_buf_used)++] = *src++;
1313 ((char*)(zh->reg->key_buf))[(zh->reg->key_buf_used)++] = '\0';
1314 ((char*)(zh->reg->key_buf))[(zh->reg->key_buf_used)++] = cmd;
1317 seqno += ((lead>>2) & 15)-1;
1320 memcpy (&seqno, src, sizeof(seqno));
1321 src += sizeof(seqno);
1325 memcpy ((char*)zh->reg->key_buf + zh->reg->key_buf_used, &key, sizeof(key));
1326 (zh->reg->key_buf_used) += sizeof(key);
1327 off = src - reckeys->buf;
1329 assert (off == reckeys->buf_used);
1332 void extract_flushWriteKeys (ZebraHandle zh, int final)
1333 /* optimizing: if final=1, and no files written yet */
1334 /* push the keys directly to merge, sidestepping the */
1335 /* temp file altogether. Speeds small updates */
1338 char out_fname[200];
1340 struct encode_info encode_info;
1341 int ptr_i = zh->reg->ptr_i;
1346 if (!zh->reg->key_buf || ptr_i <= 0)
1348 logf (LOG_DEBUG, " nothing to flush section=%d buf=%p i=%d",
1349 zh->reg->key_file_no, zh->reg->key_buf, ptr_i);
1350 logf (LOG_DEBUG, " buf=%p ",
1352 logf (LOG_DEBUG, " ptr=%d ",zh->reg->ptr_i);
1353 logf (LOG_DEBUG, " reg=%p ",zh->reg);
1358 (zh->reg->key_file_no)++;
1359 logf (LOG_LOG, "sorting section %d", (zh->reg->key_file_no));
1360 logf (LOG_DEBUG, " sort_buff at %p n=%d",
1361 zh->reg->key_buf + zh->reg->ptr_top - ptr_i,ptr_i);
1363 qsort (zh->reg->key_buf + zh->reg->ptr_top - ptr_i, ptr_i,
1364 sizeof(char*), key_qsort_compare);
1366 /* zebra.cfg: tempfiles:
1367 Y: always use temp files (old way)
1368 A: use temp files, if more than one (auto)
1369 = if this is both the last and the first
1370 N: never bother with temp files (new) */
1372 temp_policy=toupper(res_get_def(zh->res,"tempfiles","auto")[0]);
1373 if (temp_policy != 'Y' && temp_policy != 'N' && temp_policy != 'A') {
1374 logf (LOG_WARN, "Illegal tempfiles setting '%c'. using 'Auto' ",
1379 if ( ( temp_policy =='N' ) || /* always from memory */
1380 ( ( temp_policy =='A' ) && /* automatic */
1381 (zh->reg->key_file_no == 1) && /* this is first time */
1382 (final) ) ) /* and last (=only) time */
1383 { /* go directly from memory */
1384 zh->reg->key_file_no =0; /* signal not to read files */
1385 zebra_index_merge(zh);
1387 zh->reg->key_buf_used = 0;
1391 /* Not doing directly from memory, write into a temp file */
1392 extract_get_fname_tmp (zh, out_fname, zh->reg->key_file_no);
1394 if (!(outf = fopen (out_fname, "wb")))
1396 logf (LOG_FATAL|LOG_ERRNO, "fopen %s", out_fname);
1399 logf (LOG_LOG, "writing section %d", zh->reg->key_file_no);
1400 prevcp = cp = (zh->reg->key_buf)[zh->reg->ptr_top - ptr_i];
1402 encode_key_init (&encode_info);
1403 encode_key_write (cp, &encode_info, outf);
1407 cp = (zh->reg->key_buf)[zh->reg->ptr_top - ptr_i];
1408 if (strcmp (cp, prevcp))
1410 encode_key_flush ( &encode_info, outf);
1411 encode_key_init (&encode_info);
1412 encode_key_write (cp, &encode_info, outf);
1416 encode_key_write (cp + strlen(cp), &encode_info, outf);
1418 encode_key_flush ( &encode_info, outf);
1420 qsort (key_buf + ptr_top-ptr_i, ptr_i, sizeof(char*), key_x_compare);
1421 extract_get_fname_tmp (out_fname, key_file_no);
1423 if (!(outf = fopen (out_fname, "wb")))
1425 logf (LOG_FATAL|LOG_ERRNO, "fopen %s", out_fname);
1428 logf (LOG_LOG, "writing section %d", key_file_no);
1430 prevcp = key_buf[ptr_top-i];
1432 if (!--i || strcmp (prevcp, key_buf[ptr_top-i]))
1434 key_y_len = strlen(prevcp)+1;
1436 logf (LOG_LOG, "key_y_len: %2d %02x %02x %s",
1437 key_y_len, prevcp[0], prevcp[1], 2+prevcp);
1439 qsort (key_buf + ptr_top-ptr_i, ptr_i - i,
1440 sizeof(char*), key_y_compare);
1441 cp = key_buf[ptr_top-ptr_i];
1443 encode_key_init (&encode_info);
1444 encode_key_write (cp, &encode_info, outf);
1447 cp = key_buf[ptr_top-ptr_i];
1448 encode_key_write (cp+key_y_len, &encode_info, outf);
1450 encode_key_flush ( &encode_info, outf);
1453 prevcp = key_buf[ptr_top-ptr_i];
1458 logf (LOG_FATAL|LOG_ERRNO, "fclose %s", out_fname);
1461 logf (LOG_LOG, "finished section %d", zh->reg->key_file_no);
1463 zh->reg->key_buf_used = 0;
1466 void extract_add_index_string (RecWord *p, const char *string,
1470 unsigned char attrSet;
1471 unsigned short attrUse;
1474 int *pseqno = &p->seqno;
1475 ZebraHandle zh = p->extractCtrl->handle;
1476 ZebraExplainInfo zei = zh->reg->zei;
1477 struct recKeys *keys = &zh->reg->keys;
1479 if (keys->buf_used+1024 > keys->buf_max)
1483 b = (char *) xmalloc (keys->buf_max += 128000);
1484 if (keys->buf_used > 0)
1485 memcpy (b, keys->buf, keys->buf_used);
1489 dst = keys->buf + keys->buf_used;
1491 /* leader byte is encoded as follows:
1492 bit 0 : 1 if attrset is unchanged; 0 if attrset is changed
1493 bit 1 : 1 if attruse is unchanged; 0 if attruse is changed
1495 attrSet = p->attrSet;
1496 if (keys->buf_used > 0 && keys->prevAttrSet == attrSet)
1499 keys->prevAttrSet = attrSet;
1500 attrUse = p->attrUse;
1501 if (keys->buf_used > 0 && keys->prevAttrUse == attrUse)
1504 keys->prevAttrUse = attrUse;
1506 diff = 1 + *pseqno - keys->prevSeqNo;
1507 if (diff >= 1 && diff <= 15)
1508 lead |= (diff << 2);
1512 keys->prevSeqNo = *pseqno;
1519 int ch = zebraExplain_lookupSU (zei, attrSet, attrUse);
1522 ch = zebraExplain_addSU (zei, attrSet, attrUse);
1523 yaz_log (LOG_DEBUG, "addSU set=%d use=%d SU=%d",
1524 attrSet, attrUse, ch);
1527 memcpy (dst, &ch, sizeof(ch));
1533 memcpy (dst, &attrSet, sizeof(attrSet));
1534 dst += sizeof(attrSet);
1538 memcpy (dst, &attrUse, sizeof(attrUse));
1539 dst += sizeof(attrUse);
1542 *dst++ = p->reg_type;
1543 memcpy (dst, string, length);
1549 memcpy (dst, pseqno, sizeof(*pseqno));
1550 dst += sizeof(*pseqno);
1552 keys->buf_used = dst - keys->buf;
1555 static void extract_add_sort_string (RecWord *p, const char *string,
1558 ZebraHandle zh = p->extractCtrl->handle;
1559 struct sortKeys *sk = &zh->reg->sortKeys;
1562 while (off < sk->buf_used)
1566 off += key_SU_decode(&set, sk->buf + off);
1567 off += key_SU_decode(&use, sk->buf + off);
1568 off += key_SU_decode(&slen, sk->buf + off);
1570 if (p->attrSet == set && p->attrUse == use)
1573 assert (off == sk->buf_used);
1575 if (sk->buf_used + IT_MAX_WORD > sk->buf_max)
1579 b = (char *) xmalloc (sk->buf_max += 128000);
1580 if (sk->buf_used > 0)
1581 memcpy (b, sk->buf, sk->buf_used);
1585 off += key_SU_encode(p->attrSet, sk->buf + off);
1586 off += key_SU_encode(p->attrUse, sk->buf + off);
1587 off += key_SU_encode(length, sk->buf + off);
1588 memcpy (sk->buf + off, string, length);
1589 sk->buf_used = off + length;
1592 void extract_add_string (RecWord *p, const char *string, int length)
1594 assert (length > 0);
1595 if (zebra_maps_is_sort (p->zebra_maps, p->reg_type))
1596 extract_add_sort_string (p, string, length);
1598 extract_add_index_string (p, string, length);
1601 static void extract_add_incomplete_field (RecWord *p)
1603 const char *b = p->string;
1604 int remain = p->length;
1605 const char **map = 0;
1608 map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain, 0);
1612 char buf[IT_MAX_WORD+1];
1616 while (map && *map && **map == *CHR_SPACE)
1618 remain = p->length - (b - p->string);
1620 map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain, 0);
1627 while (map && *map && **map != *CHR_SPACE)
1629 const char *cp = *map;
1631 while (i < IT_MAX_WORD && *cp)
1633 remain = p->length - (b - p->string);
1635 map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain, 0);
1641 extract_add_string (p, buf, i);
1646 static void extract_add_complete_field (RecWord *p)
1648 const char *b = p->string;
1649 char buf[IT_MAX_WORD+1];
1650 const char **map = 0;
1651 int i = 0, remain = p->length;
1652 int first; /* first position */
1655 map = zebra_maps_input (p->zebra_maps, p->reg_type, &b, remain, 1);
1657 while (remain > 0 && i < IT_MAX_WORD)
1659 while (map && *map && **map == *CHR_SPACE)
1661 remain = p->length - (b - p->string);
1666 map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain, first);
1674 if (i && i < IT_MAX_WORD)
1675 buf[i++] = *CHR_SPACE;
1676 while (map && *map && **map != *CHR_SPACE)
1678 const char *cp = *map;
1680 if (**map == *CHR_CUT)
1686 if (i >= IT_MAX_WORD)
1688 while (i < IT_MAX_WORD && *cp)
1691 remain = p->length - (b - p->string);
1694 map = zebra_maps_input (p->zebra_maps, p->reg_type, &b,
1703 extract_add_string (p, buf, i);
1706 void extract_token_add (RecWord *p)
1710 yaz_log (LOG_LOG, "token_add "
1711 "reg_type=%c attrSet=%d attrUse=%d seqno=%d s=%.*s",
1712 p->reg_type, p->attrSet, p->attrUse, p->seqno, p->length,
1715 if ((wrbuf = zebra_replace(p->zebra_maps, p->reg_type, 0,
1716 p->string, p->length)))
1718 p->string = wrbuf_buf(wrbuf);
1719 p->length = wrbuf_len(wrbuf);
1721 if (zebra_maps_is_complete (p->zebra_maps, p->reg_type))
1722 extract_add_complete_field (p);
1724 extract_add_incomplete_field(p);
1727 void extract_schema_add (struct recExtractCtrl *p, Odr_oid *oid)
1729 ZebraHandle zh = (ZebraHandle) (p->handle);
1730 zebraExplain_addSchema (zh->reg->zei, oid);
1733 void extract_flushSortKeys (ZebraHandle zh, SYSNO sysno,
1734 int cmd, struct sortKeys *sk)
1736 SortIdx sortIdx = zh->reg->sortIdx;
1739 sortIdx_sysno (sortIdx, sysno);
1741 while (off < sk->buf_used)
1745 off += key_SU_decode(&set, sk->buf + off);
1746 off += key_SU_decode(&use, sk->buf + off);
1747 off += key_SU_decode(&slen, sk->buf + off);
1749 sortIdx_type(sortIdx, use);
1751 sortIdx_add(sortIdx, sk->buf + off, slen);
1753 sortIdx_add(sortIdx, "", 1);
1758 void encode_key_init (struct encode_info *i)
1769 char *encode_key_int (int d, char *bp)
1773 else if (d <= 16383)
1775 *bp++ = 64 + (d>>8);
1778 else if (d <= 4194303)
1780 *bp++ = 128 + (d>>16);
1781 *bp++ = (d>>8) & 255;
1786 *bp++ = 192 + (d>>24);
1787 *bp++ = (d>>16) & 255;
1788 *bp++ = (d>>8) & 255;
1796 /* this is the old encode_key_write
1797 * may be deleted once we are confident that the new works
1800 void encode_key_write (char *k, struct encode_info *i, FILE *outf)
1805 while ((*bp++ = *k++))
1807 memcpy (&key, k+1, sizeof(struct it_key));
1808 bp = encode_key_int ( (key.sysno - i->sysno) * 2 + *k, bp);
1809 if (i->sysno != key.sysno)
1811 i->sysno = key.sysno;
1814 else if (!i->seqno && !key.seqno && i->cmd == *k)
1816 bp = encode_key_int (key.seqno - i->seqno, bp);
1817 i->seqno = key.seqno;
1819 if (fwrite (i->buf, bp - i->buf, 1, outf) != 1)
1821 logf (LOG_FATAL|LOG_ERRNO, "fwrite");
1826 void encode_key_flush (struct encode_info *i, FILE *outf)
1827 { /* dummy routine */
1832 /* new encode_key_write
1833 * The idea is to buffer one more key, and compare them
1834 * If we are going to delete and insert the same key,
1835 * we may as well not bother. Should make a difference in
1836 * updates with small modifications (appending to a mbox)
1838 void encode_key_write (char *k, struct encode_info *i, FILE *outf)
1843 if (*k) /* first time for new key */
1846 while ((*bp++ = *k++))
1848 i->keylen= bp - i->buf -1;
1849 assert(i->keylen+1+sizeof(struct it_key) < ENCODE_BUFLEN);
1853 bp=i->buf + i->keylen;
1858 memcpy (&key, k+1, sizeof(struct it_key));
1859 if (0==i->prevsys) /* no previous filter, fill up */
1861 i->prevsys=key.sysno;
1862 i->prevseq=key.seqno;
1865 else if ( (i->prevsys==key.sysno) &&
1866 (i->prevseq==key.seqno) &&
1868 { /* same numbers, diff cmd, they cancel out */
1872 { /* different stuff, write previous, move buf */
1873 bp = encode_key_int ( (i->prevsys - i->sysno) * 2 + i->prevcmd, bp);
1874 if (i->sysno != i->prevsys)
1876 i->sysno = i->prevsys;
1879 else if (!i->seqno && !i->prevseq && i->cmd == i->prevcmd)
1881 return; /* ??? Filters some sort of duplicates away */
1882 /* ??? Can this ever happen -H 15oct02 */
1884 bp = encode_key_int (i->prevseq - i->seqno, bp);
1885 i->seqno = i->prevseq;
1886 i->cmd = i->prevcmd;
1887 if (fwrite (i->buf, bp - i->buf, 1, outf) != 1)
1889 logf (LOG_FATAL|LOG_ERRNO, "fwrite");
1892 i->keylen=0; /* ok, it's written, forget it */
1893 i->prevsys=key.sysno;
1894 i->prevseq=key.seqno;
1899 void encode_key_flush (struct encode_info *i, FILE *outf)
1900 { /* flush the last key from i */
1901 char *bp =i->buf + i->keylen;
1904 return; /* nothing to flush */
1907 bp = encode_key_int ( (i->prevsys - i->sysno) * 2 + i->prevcmd, bp);
1908 if (i->sysno != i->prevsys)
1910 i->sysno = i->prevsys;
1913 else if (!i->seqno && !i->prevseq && i->cmd == i->prevcmd)
1915 return; /* ??? Filters some sort of duplicates away */
1916 /* ??? Can this ever happen -H 15oct02 */
1918 bp = encode_key_int (i->prevseq - i->seqno, bp);
1919 i->seqno = i->prevseq;
1920 i->cmd = i->prevcmd;
1921 if (fwrite (i->buf, bp - i->buf, 1, outf) != 1)
1923 logf (LOG_FATAL|LOG_ERRNO, "fwrite");
1926 i->keylen=0; /* ok, it's written, forget it */
1927 i->prevsys=0; /* forget the values too */