1 /* $Id: extract.c,v 1.139 2003-02-27 23:08:10 pop Exp $
2 Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
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 Zebra; see the file LICENSE.zebra. If not, write to the
19 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
37 #if _FILE_OFFSET_BITS == 64
38 #define PRINTF_OFF_T "%Ld"
40 #define PRINTF_OFF_T "%ld"
43 #define USE_SHELLSORT 0
46 static void shellsort(void *ar, int r, size_t s,
47 int (*cmp)(const void *a, const void *b))
52 static const int incs[16] = { 1391376, 463792, 198768, 86961, 33936,
53 13776, 4592, 1968, 861, 336,
54 112, 48, 21, 7, 3, 1 };
55 for ( k = 0; k < 16; k++)
56 for (h = incs[k], i = h; i < r; i++)
60 while (j > h && (*cmp)(a + s*(j-h), v) > 0)
62 memcpy (a + s*j, a + s*(j-h), s);
70 static void logRecord (ZebraHandle zh)
72 ++zh->records_processed;
73 if (!(zh->records_processed % 1000))
75 logf (LOG_LOG, "Records: %7d i/u/d %d/%d/%d",
76 zh->records_processed, zh->records_inserted, zh->records_updated,
81 static void extract_init (struct recExtractCtrl *p, RecWord *w)
83 w->zebra_maps = p->zebra_maps;
85 w->attrSet = VAL_BIB1;
91 static const char **searchRecordKey (ZebraHandle zh,
92 struct recKeys *reckeys,
93 int attrSetS, int attrUseS)
95 static const char *ws[32];
107 for (i = 0; i<32; i++)
111 chS = zebraExplain_lookupSU (zh->reg->zei, attrSetS, attrUseS);
115 while (off < reckeys->buf_used)
118 const char *src = reckeys->buf + off;
126 memcpy (&ch, src, sizeof(ch));
132 memcpy (&attrSet, src, sizeof(attrSet));
133 src += sizeof(attrSet);
137 memcpy (&attrUse, src, sizeof(attrUse));
138 src += sizeof(attrUse);
145 seqno += ((lead>>2) & 15)-1;
148 memcpy (&seqno, src, sizeof(seqno));
149 src += sizeof(seqno);
155 attrUseS == attrUse && attrSetS == attrSet
164 woff = seqno - startSeq;
165 if (woff >= 0 && woff < 31)
169 off = src - reckeys->buf;
171 assert (off == reckeys->buf_used);
175 struct file_read_info {
176 off_t file_max; /* maximum offset so far */
177 off_t file_offset; /* current offset */
178 off_t file_moffset; /* offset of rec/rec boundary */
185 static struct file_read_info *file_read_start (int fd)
187 struct file_read_info *fi = (struct file_read_info *)
188 xmalloc (sizeof(*fi));
192 fi->file_moffset = 0;
198 static void file_read_stop (struct file_read_info *fi)
203 static off_t file_seek (void *handle, off_t offset)
205 struct file_read_info *p = (struct file_read_info *) handle;
206 p->file_offset = offset;
209 return lseek (p->fd, offset, SEEK_SET);
212 static off_t file_tell (void *handle)
214 struct file_read_info *p = (struct file_read_info *) handle;
215 return p->file_offset;
218 static int file_read (void *handle, char *buf, size_t count)
220 struct file_read_info *p = (struct file_read_info *) handle;
226 if (r > p->sdrmax - p->file_offset)
227 r = p->sdrmax - p->file_offset;
229 memcpy (buf, p->sdrbuf + p->file_offset, r);
232 r = read (fd, buf, count);
236 if (p->file_offset > p->file_max)
237 p->file_max = p->file_offset;
242 static void file_begin (void *handle)
244 struct file_read_info *p = (struct file_read_info *) handle;
246 p->file_offset = p->file_moffset;
247 if (!p->sdrbuf && p->file_moffset)
248 lseek (p->fd, p->file_moffset, SEEK_SET);
252 static void file_end (void *handle, off_t offset)
254 struct file_read_info *p = (struct file_read_info *) handle;
256 assert (p->file_more == 0);
258 p->file_moffset = offset;
261 static char *fileMatchStr (ZebraHandle zh,
262 struct recKeys *reckeys, struct recordGroup *rGroup,
263 const char *fname, const char *spec)
265 static char dstBuf[2048]; /* static here ??? */
267 const char *s = spec;
268 static const char **w;
272 while (*s == ' ' || *s == '\t')
278 char attset_str[64], attname_str[64];
279 data1_attset *attset;
282 int attSet = 1, attUse = 1;
286 for (i = 0; *s && *s != ',' && *s != ')'; s++)
288 attset_str[i++] = *s;
289 attset_str[i] = '\0';
294 for (i = 0; *s && *s != ')'; s++)
296 attname_str[i++] = *s;
297 attname_str[i] = '\0';
300 if ((attset = data1_get_attset (zh->reg->dh, attset_str)))
303 attSet = attset->reference;
304 att = data1_getattbyname(zh->reg->dh, attset, attname_str);
308 attUse = atoi (attname_str);
310 w = searchRecordKey (zh, reckeys, attSet, attUse);
315 for (i = 0; i<32; i++)
320 logf (LOG_WARN, "Missing ) in match criteria %s in group %s",
321 spec, rGroup->groupName ? rGroup->groupName : "none");
326 for (i = 0; i<32; i++)
327 if (matchFlag[i] && w[i])
339 logf (LOG_WARN, "Record didn't contain match"
340 " fields in (%s,%s)", attset_str, attname_str);
348 const char *spec_src = NULL;
349 const char *s1 = ++s;
350 while (*s1 && *s1 != ' ' && *s1 != '\t')
356 memcpy (special, s, spec_len);
357 special[spec_len] = '\0';
360 if (!strcmp (special, "group"))
361 spec_src = rGroup->groupName;
362 else if (!strcmp (special, "database"))
363 spec_src = rGroup->databaseName;
364 else if (!strcmp (special, "filename")) {
367 else if (!strcmp (special, "type"))
368 spec_src = rGroup->recordType;
373 strcpy (dst, spec_src);
374 dst += strlen (spec_src);
377 else if (*s == '\"' || *s == '\'')
379 int stopMarker = *s++;
383 while (*s && *s != stopMarker)
386 tmpString[i++] = *s++;
391 strcpy (dst, tmpString);
392 dst += strlen (tmpString);
396 logf (LOG_WARN, "Syntax error in match criteria %s in group %s",
397 spec, rGroup->groupName ? rGroup->groupName : "none");
404 logf (LOG_WARN, "No match criteria for record %s in group %s",
405 fname, rGroup->groupName ? rGroup->groupName : "none");
412 struct recordLogInfo {
415 struct recordGroup *rGroup;
418 static int recordExtract (ZebraHandle zh,
419 SYSNO *sysno, const char *fname,
420 struct recordGroup *rGroup, int deleteFlag,
421 struct file_read_info *fi,
422 RecType recType, char *subType, void *clientData)
424 RecordAttr *recordAttr;
429 off_t recordOffset = 0;
433 struct recExtractCtrl extractCtrl;
435 /* we are going to read from a file, so prepare the extraction */
438 zh->reg->keys.buf_used = 0;
439 zh->reg->keys.prevAttrUse = -1;
440 zh->reg->keys.prevAttrSet = -1;
441 zh->reg->keys.prevSeqNo = 0;
442 zh->reg->sortKeys.buf_used = 0;
444 recordOffset = fi->file_moffset;
445 extractCtrl.offset = fi->file_moffset;
446 extractCtrl.readf = file_read;
447 extractCtrl.seekf = file_seek;
448 extractCtrl.tellf = file_tell;
449 extractCtrl.endf = file_end;
451 extractCtrl.subType = subType;
452 extractCtrl.init = extract_init;
453 extractCtrl.tokenAdd = extract_token_add;
454 extractCtrl.schemaAdd = extract_schema_add;
455 extractCtrl.dh = zh->reg->dh;
456 extractCtrl.handle = zh;
457 for (i = 0; i<256; i++)
459 if (zebra_maps_is_positioned(zh->reg->zebra_maps, i))
460 extractCtrl.seqno[i] = 1;
462 extractCtrl.seqno[i] = 0;
464 extractCtrl.zebra_maps = zh->reg->zebra_maps;
465 extractCtrl.flagShowRecords = !rGroup->flagRw;
468 printf ("File: %s " PRINTF_OFF_T "\n", fname, recordOffset);
472 sprintf (msg, "%s:" PRINTF_OFF_T , fname, recordOffset);
473 yaz_log_init_prefix2 (msg);
476 r = (*recType->extract)(clientData, &extractCtrl);
478 yaz_log_init_prefix2 (0);
479 if (r == RECCTRL_EXTRACT_EOF)
481 else if (r == RECCTRL_EXTRACT_ERROR_GENERIC)
483 /* error occured during extraction ... */
484 if (rGroup->flagRw &&
485 zh->records_processed < rGroup->fileVerboseLimit)
487 logf (LOG_WARN, "fail %s %s " PRINTF_OFF_T, rGroup->recordType,
488 fname, recordOffset);
492 else if (r == RECCTRL_EXTRACT_ERROR_NO_SUCH_FILTER)
494 /* error occured during extraction ... */
495 if (rGroup->flagRw &&
496 zh->records_processed < rGroup->fileVerboseLimit)
498 logf (LOG_WARN, "no filter for %s %s "
499 PRINTF_OFF_T, rGroup->recordType,
500 fname, recordOffset);
504 if (zh->reg->keys.buf_used == 0)
506 /* the extraction process returned no information - the record
507 is probably empty - unless flagShowRecords is in use */
511 logf (LOG_WARN, "empty %s %s " PRINTF_OFF_T, rGroup->recordType,
512 fname, recordOffset);
517 /* perform match if sysno not known and if match criteria is specified */
524 if (rGroup->recordId && *rGroup->recordId)
528 matchStr = fileMatchStr (zh, &zh->reg->keys, rGroup, fname,
532 rinfo = dict_lookup (zh->reg->matchDict, matchStr);
534 memcpy (sysno, rinfo+1, sizeof(*sysno));
538 logf (LOG_WARN, "Bad match criteria");
549 logf (LOG_LOG, "delete %s %s " PRINTF_OFF_T, rGroup->recordType,
550 fname, recordOffset);
551 logf (LOG_WARN, "cannot delete record above (seems new)");
554 if (zh->records_processed < rGroup->fileVerboseLimit)
555 logf (LOG_LOG, "add %s %s " PRINTF_OFF_T, rGroup->recordType,
556 fname, recordOffset);
557 rec = rec_new (zh->reg->records);
561 recordAttr = rec_init_attr (zh->reg->zei, rec);
565 dict_insert (zh->reg->matchDict, matchStr, sizeof(*sysno), sysno);
567 extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
568 extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
570 zh->records_inserted++;
574 /* record already exists */
575 struct recKeys delkeys;
576 struct sortKeys sortKeys;
578 rec = rec_get (zh->reg->records, *sysno);
581 recordAttr = rec_init_attr (zh->reg->zei, rec);
583 if (recordAttr->runNumber ==
584 zebraExplain_runNumberIncrement (zh->reg->zei, 0))
586 yaz_log (LOG_LOG, "run number = %d", recordAttr->runNumber);
587 yaz_log (LOG_LOG, "skipped %s %s " PRINTF_OFF_T,
588 rGroup->recordType, fname, recordOffset);
589 extract_flushSortKeys (zh, *sysno, -1, &zh->reg->sortKeys);
594 delkeys.buf_used = rec->size[recInfo_delKeys];
595 delkeys.buf = rec->info[recInfo_delKeys];
597 sortKeys.buf_used = rec->size[recInfo_sortKeys];
598 sortKeys.buf = rec->info[recInfo_sortKeys];
600 extract_flushSortKeys (zh, *sysno, 0, &sortKeys);
601 extract_flushRecordKeys (zh, *sysno, 0, &delkeys);
604 /* record going to be deleted */
605 if (!delkeys.buf_used)
607 logf (LOG_LOG, "delete %s %s " PRINTF_OFF_T,
608 rGroup->recordType, fname, recordOffset);
609 logf (LOG_WARN, "cannot delete file above, storeKeys false");
613 if (zh->records_processed < rGroup->fileVerboseLimit)
614 logf (LOG_LOG, "delete %s %s " PRINTF_OFF_T,
615 rGroup->recordType, fname, recordOffset);
616 zh->records_deleted++;
618 dict_delete (zh->reg->matchDict, matchStr);
619 rec_del (zh->reg->records, &rec);
627 /* record going to be updated */
628 if (!delkeys.buf_used)
630 logf (LOG_LOG, "update %s %s " PRINTF_OFF_T,
631 rGroup->recordType, fname, recordOffset);
632 logf (LOG_WARN, "cannot update file above, storeKeys false");
636 if (zh->records_processed < rGroup->fileVerboseLimit)
637 logf (LOG_LOG, "update %s %s " PRINTF_OFF_T,
638 rGroup->recordType, fname, recordOffset);
639 extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
640 extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
641 zh->records_updated++;
645 /* update file type */
646 xfree (rec->info[recInfo_fileType]);
647 rec->info[recInfo_fileType] =
648 rec_strdup (rGroup->recordType, &rec->size[recInfo_fileType]);
650 /* update filename */
651 xfree (rec->info[recInfo_filename]);
652 rec->info[recInfo_filename] =
653 rec_strdup (fname, &rec->size[recInfo_filename]);
655 /* update delete keys */
656 xfree (rec->info[recInfo_delKeys]);
657 if (zh->reg->keys.buf_used > 0 && rGroup->flagStoreKeys == 1)
659 rec->size[recInfo_delKeys] = zh->reg->keys.buf_used;
660 rec->info[recInfo_delKeys] = zh->reg->keys.buf;
661 zh->reg->keys.buf = NULL;
662 zh->reg->keys.buf_max = 0;
666 rec->info[recInfo_delKeys] = NULL;
667 rec->size[recInfo_delKeys] = 0;
670 /* update sort keys */
671 xfree (rec->info[recInfo_sortKeys]);
673 rec->size[recInfo_sortKeys] = zh->reg->sortKeys.buf_used;
674 rec->info[recInfo_sortKeys] = zh->reg->sortKeys.buf;
675 zh->reg->sortKeys.buf = NULL;
676 zh->reg->sortKeys.buf_max = 0;
678 /* save file size of original record */
679 zebraExplain_recordBytesIncrement (zh->reg->zei,
680 - recordAttr->recordSize);
681 recordAttr->recordSize = fi->file_moffset - recordOffset;
682 if (!recordAttr->recordSize)
683 recordAttr->recordSize = fi->file_max - recordOffset;
684 zebraExplain_recordBytesIncrement (zh->reg->zei,
685 recordAttr->recordSize);
687 /* set run-number for this record */
688 recordAttr->runNumber = zebraExplain_runNumberIncrement (zh->reg->zei,
691 /* update store data */
692 xfree (rec->info[recInfo_storeData]);
693 if (rGroup->flagStoreData == 1)
695 rec->size[recInfo_storeData] = recordAttr->recordSize;
696 rec->info[recInfo_storeData] = (char *)
697 xmalloc (recordAttr->recordSize);
698 if (lseek (fi->fd, recordOffset, SEEK_SET) < 0)
700 logf (LOG_ERRNO|LOG_FATAL, "seek to " PRINTF_OFF_T " in %s",
701 recordOffset, fname);
704 if (read (fi->fd, rec->info[recInfo_storeData], recordAttr->recordSize)
705 < recordAttr->recordSize)
707 logf (LOG_ERRNO|LOG_FATAL, "read %d bytes of %s",
708 recordAttr->recordSize, fname);
714 rec->info[recInfo_storeData] = NULL;
715 rec->size[recInfo_storeData] = 0;
717 /* update database name */
718 xfree (rec->info[recInfo_databaseName]);
719 rec->info[recInfo_databaseName] =
720 rec_strdup (rGroup->databaseName, &rec->size[recInfo_databaseName]);
723 recordAttr->recordOffset = recordOffset;
725 /* commit this record */
726 rec_put (zh->reg->records, &rec);
731 int fileExtract (ZebraHandle zh, SYSNO *sysno, const char *fname,
732 const struct recordGroup *rGroupP, int deleteFlag)
740 struct recordGroup rGroupM;
741 struct recordGroup *rGroup = &rGroupM;
742 struct file_read_info *fi;
745 memcpy (rGroup, rGroupP, sizeof(*rGroupP));
747 if (!rGroup->groupName || !*rGroup->groupName)
750 sprintf (gprefix, "%s.", rGroup->groupName);
752 logf (LOG_DEBUG, "fileExtract %s", fname);
754 /* determine file extension */
756 for (i = strlen(fname); --i >= 0; )
759 else if (fname[i] == '.')
761 strcpy (ext, fname+i+1);
764 /* determine file type - depending on extension */
765 if (!rGroup->recordType)
767 sprintf (ext_res, "%srecordType.%s", gprefix, ext);
768 if (!(rGroup->recordType = res_get (zh->res, ext_res)))
770 sprintf (ext_res, "%srecordType", gprefix);
771 rGroup->recordType = res_get (zh->res, ext_res);
774 if (!rGroup->recordType)
776 if (zh->records_processed < rGroup->fileVerboseLimit)
777 logf (LOG_LOG, "? %s", fname);
780 if (!*rGroup->recordType)
783 recType_byName (zh->reg->recTypes, rGroup->recordType, subType,
786 logf (LOG_WARN, "No such record type: %s", rGroup->recordType);
790 /* determine match criteria */
791 if (!rGroup->recordId)
793 sprintf (ext_res, "%srecordId.%s", gprefix, ext);
794 rGroup->recordId = res_get (zh->res, ext_res);
797 /* determine database name */
798 if (!rGroup->databaseName)
800 sprintf (ext_res, "%sdatabase.%s", gprefix, ext);
801 if (!(rGroup->databaseName = res_get (zh->res, ext_res)))
803 sprintf (ext_res, "%sdatabase", gprefix);
804 rGroup->databaseName = res_get (zh->res, ext_res);
807 if (!rGroup->databaseName)
808 rGroup->databaseName = "Default";
810 /* determine if explain database */
812 sprintf (ext_res, "%sexplainDatabase", gprefix);
813 rGroup->explainDatabase =
814 atoi (res_get_def (zh->res, ext_res, "0"));
816 /* announce database */
817 if (zebraExplain_curDatabase (zh->reg->zei, rGroup->databaseName))
819 if (zebraExplain_newDatabase (zh->reg->zei, rGroup->databaseName,
820 rGroup->explainDatabase))
824 if (rGroup->flagStoreData == -1)
827 sprintf (ext_res, "%sstoreData.%s", gprefix, ext);
828 if (!(sval = res_get (zh->res, ext_res)))
830 sprintf (ext_res, "%sstoreData", gprefix);
831 sval = res_get (zh->res, ext_res);
834 rGroup->flagStoreData = atoi (sval);
836 if (rGroup->flagStoreData == -1)
837 rGroup->flagStoreData = 0;
839 if (rGroup->flagStoreKeys == -1)
843 sprintf (ext_res, "%sstoreKeys.%s", gprefix, ext);
844 sval = res_get (zh->res, ext_res);
847 sprintf (ext_res, "%sstoreKeys", gprefix);
848 sval = res_get (zh->res, ext_res);
851 sval = res_get (zh->res, "storeKeys");
853 rGroup->flagStoreKeys = atoi (sval);
855 if (rGroup->flagStoreKeys == -1)
856 rGroup->flagStoreKeys = 0;
858 if (sysno && deleteFlag)
864 if (zh->path_reg && !yaz_is_abspath (fname))
866 strcpy (full_rep, zh->path_reg);
867 strcat (full_rep, "/");
868 strcat (full_rep, fname);
871 strcpy (full_rep, fname);
874 if ((fd = open (full_rep, O_BINARY|O_RDONLY)) == -1)
876 logf (LOG_WARN|LOG_ERRNO, "open %s", full_rep);
880 fi = file_read_start (fd);
884 r = recordExtract (zh, sysno, fname, rGroup, deleteFlag, fi,
885 recType, subType, clientData);
886 } while (r && !sysno && fi->file_more);
892 int extract_rec_in_mem (ZebraHandle zh, const char *recordType,
893 const char *buf, size_t buf_size,
894 const char *databaseName, int delete_flag,
895 int test_mode, int *sysno,
896 int store_keys, int store_data,
897 const char *match_criteria)
899 struct recordGroup rGroup;
900 rGroup.groupName = NULL;
901 rGroup.databaseName = (char *)databaseName;
903 rGroup.recordId = NULL;
904 rGroup.recordType = (char *)recordType;
905 rGroup.flagStoreData = store_data;
906 rGroup.flagStoreKeys = store_keys;
908 rGroup.databaseNamePath = 0;
909 rGroup.explainDatabase = 0;
910 rGroup.fileVerboseLimit = 100000;
911 rGroup.followLinks = -1;
912 return (bufferExtractRecord (zh,
923 If sysno is provided, then it's used to identify the reocord.
924 If not, and match_criteria is provided, then sysno is guessed
925 If not, and a record is provided, then sysno is got from there
928 int bufferExtractRecord (ZebraHandle zh,
929 const char *buf, size_t buf_size,
930 struct recordGroup *rGroup,
933 const char *recordType,
935 const char *match_criteria,
939 RecordAttr *recordAttr;
940 struct recExtractCtrl extractCtrl;
943 RecType recType = NULL;
947 long recordOffset = 0;
948 struct zebra_fetch_control fc;
951 fc.record_int_buf = buf;
952 fc.record_int_len = buf_size;
953 fc.record_int_pos = 0;
955 fc.record_offset = 0;
957 extractCtrl.offset = 0;
958 extractCtrl.readf = zebra_record_int_read;
959 extractCtrl.seekf = zebra_record_int_seek;
960 extractCtrl.tellf = zebra_record_int_tell;
961 extractCtrl.endf = zebra_record_int_end;
962 extractCtrl.fh = &fc;
964 zh->reg->keys.buf_used = 0;
965 zh->reg->keys.prevAttrUse = -1;
966 zh->reg->keys.prevAttrSet = -1;
967 zh->reg->keys.prevSeqNo = 0;
968 zh->reg->sortKeys.buf_used = 0;
970 /* announce database */
972 if (!(rGroup->databaseName)) {
973 logf (LOG_WARN, "Invalid record group, no database name given");
977 if (zebraExplain_curDatabase (zh->reg->zei, rGroup->databaseName))
979 if (zebraExplain_newDatabase (zh->reg->zei, rGroup->databaseName, 0))
984 logf (LOG_DEBUG, "Record type explicitly specified: %s", recordType);
985 recType = recType_byName (zh->reg->recTypes, recordType, subType,
988 if (!(rGroup->recordType)) {
989 logf (LOG_WARN, "No such record type defined");
992 logf (LOG_DEBUG, "Get record type from rgroup: %s",rGroup->recordType);
993 recType = recType_byName (zh->reg->recTypes, rGroup->recordType, subType,
995 recordType = rGroup->recordType;
999 logf (LOG_WARN, "No such record type: %s", rGroup->recordType);
1003 extractCtrl.subType = subType;
1004 extractCtrl.init = extract_init;
1005 extractCtrl.tokenAdd = extract_token_add;
1006 extractCtrl.schemaAdd = extract_schema_add;
1007 extractCtrl.dh = zh->reg->dh;
1008 extractCtrl.handle = zh;
1009 extractCtrl.zebra_maps = zh->reg->zebra_maps;
1010 extractCtrl.flagShowRecords = 0;
1011 for (i = 0; i<256; i++)
1013 if (zebra_maps_is_positioned(zh->reg->zebra_maps, i))
1014 extractCtrl.seqno[i] = 1;
1016 extractCtrl.seqno[i] = 0;
1019 r = (*recType->extract)(clientData, &extractCtrl);
1021 if (r == RECCTRL_EXTRACT_EOF)
1023 else if (r == RECCTRL_EXTRACT_ERROR_GENERIC)
1025 /* error occured during extraction ... */
1026 yaz_log (LOG_WARN, "extract error: generic");
1029 else if (r == RECCTRL_EXTRACT_ERROR_NO_SUCH_FILTER)
1031 /* error occured during extraction ... */
1032 yaz_log (LOG_WARN, "extract error: no such filter");
1035 if (zh->reg->keys.buf_used == 0)
1037 /* the extraction process returned no information - the record
1038 is probably empty - unless flagShowRecords is in use */
1041 logf (LOG_WARN, "No keys generated for record");
1042 logf (LOG_WARN, " The file is probably empty");
1045 /* match criteria */
1050 if (strlen(match_criteria) > 0) {
1051 matchStr = (char *)match_criteria;
1053 if (rGroup->recordId && *rGroup->recordId) {
1054 matchStr = fileMatchStr (zh, &zh->reg->keys, rGroup, fname,
1059 rinfo = dict_lookup (zh->reg->matchDict, matchStr);
1061 memcpy (sysno, rinfo+1, sizeof(*sysno));
1063 logf (LOG_WARN, "Bad match criteria (recordID)");
1074 logf (LOG_LOG, "delete %s %s %ld", recordType,
1075 fname, (long) recordOffset);
1076 logf (LOG_WARN, "cannot delete record above (seems new)");
1079 logf (LOG_LOG, "add %s %s %ld", recordType, fname,
1080 (long) recordOffset);
1081 rec = rec_new (zh->reg->records);
1083 *sysno = rec->sysno;
1085 recordAttr = rec_init_attr (zh->reg->zei, rec);
1089 dict_insert (zh->reg->matchDict, matchStr,
1090 sizeof(*sysno), sysno);
1092 extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
1093 extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
1095 zh->records_inserted++;
1099 /* record already exists */
1100 struct recKeys delkeys;
1101 struct sortKeys sortKeys;
1103 rec = rec_get (zh->reg->records, *sysno);
1106 recordAttr = rec_init_attr (zh->reg->zei, rec);
1108 if (recordAttr->runNumber ==
1109 zebraExplain_runNumberIncrement (zh->reg->zei, 0))
1111 logf (LOG_LOG, "skipped %s %s %ld", recordType,
1112 fname, (long) recordOffset);
1113 extract_flushSortKeys (zh, *sysno, -1, &zh->reg->sortKeys);
1118 delkeys.buf_used = rec->size[recInfo_delKeys];
1119 delkeys.buf = rec->info[recInfo_delKeys];
1121 sortKeys.buf_used = rec->size[recInfo_sortKeys];
1122 sortKeys.buf = rec->info[recInfo_sortKeys];
1124 extract_flushSortKeys (zh, *sysno, 0, &sortKeys);
1125 extract_flushRecordKeys (zh, *sysno, 0, &delkeys);
1128 /* record going to be deleted */
1129 if (!delkeys.buf_used)
1131 logf (LOG_LOG, "delete %s %s %ld", recordType,
1132 fname, (long) recordOffset);
1133 logf (LOG_WARN, "cannot delete file above, storeKeys false");
1137 logf (LOG_LOG, "delete %s %s %ld", recordType,
1138 fname, (long) recordOffset);
1139 zh->records_deleted++;
1141 dict_delete (zh->reg->matchDict, matchStr);
1142 rec_del (zh->reg->records, &rec);
1150 /* record going to be updated */
1151 if (!delkeys.buf_used)
1153 logf (LOG_LOG, "update %s %s %ld", recordType,
1154 fname, (long) recordOffset);
1155 logf (LOG_WARN, "cannot update file above, storeKeys false");
1159 logf (LOG_LOG, "update %s %s %ld", recordType,
1160 fname, (long) recordOffset);
1161 extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
1162 extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
1163 zh->records_updated++;
1167 /* update file type */
1168 xfree (rec->info[recInfo_fileType]);
1169 rec->info[recInfo_fileType] =
1170 rec_strdup (recordType, &rec->size[recInfo_fileType]);
1172 /* update filename */
1173 xfree (rec->info[recInfo_filename]);
1174 rec->info[recInfo_filename] =
1175 rec_strdup (fname, &rec->size[recInfo_filename]);
1177 /* update delete keys */
1178 xfree (rec->info[recInfo_delKeys]);
1179 if (zh->reg->keys.buf_used > 0 && rGroup->flagStoreKeys == 1)
1181 rec->size[recInfo_delKeys] = zh->reg->keys.buf_used;
1182 rec->info[recInfo_delKeys] = zh->reg->keys.buf;
1183 zh->reg->keys.buf = NULL;
1184 zh->reg->keys.buf_max = 0;
1188 rec->info[recInfo_delKeys] = NULL;
1189 rec->size[recInfo_delKeys] = 0;
1192 /* update sort keys */
1193 xfree (rec->info[recInfo_sortKeys]);
1195 rec->size[recInfo_sortKeys] = zh->reg->sortKeys.buf_used;
1196 rec->info[recInfo_sortKeys] = zh->reg->sortKeys.buf;
1197 zh->reg->sortKeys.buf = NULL;
1198 zh->reg->sortKeys.buf_max = 0;
1200 /* save file size of original record */
1201 zebraExplain_recordBytesIncrement (zh->reg->zei,
1202 - recordAttr->recordSize);
1204 recordAttr->recordSize = fi->file_moffset - recordOffset;
1205 if (!recordAttr->recordSize)
1206 recordAttr->recordSize = fi->file_max - recordOffset;
1208 recordAttr->recordSize = buf_size;
1210 zebraExplain_recordBytesIncrement (zh->reg->zei,
1211 recordAttr->recordSize);
1213 /* set run-number for this record */
1214 recordAttr->runNumber =
1215 zebraExplain_runNumberIncrement (zh->reg->zei, 0);
1217 /* update store data */
1218 xfree (rec->info[recInfo_storeData]);
1219 if (rGroup->flagStoreData == 1)
1221 rec->size[recInfo_storeData] = recordAttr->recordSize;
1222 rec->info[recInfo_storeData] = (char *)
1223 xmalloc (recordAttr->recordSize);
1225 memcpy (rec->info[recInfo_storeData], buf, recordAttr->recordSize);
1227 if (lseek (fi->fd, recordOffset, SEEK_SET) < 0)
1229 logf (LOG_ERRNO|LOG_FATAL, "seek to %ld in %s",
1230 (long) recordOffset, fname);
1233 if (read (fi->fd, rec->info[recInfo_storeData], recordAttr->recordSize)
1234 < recordAttr->recordSize)
1236 logf (LOG_ERRNO|LOG_FATAL, "read %d bytes of %s",
1237 recordAttr->recordSize, fname);
1244 rec->info[recInfo_storeData] = NULL;
1245 rec->size[recInfo_storeData] = 0;
1247 /* update database name */
1248 xfree (rec->info[recInfo_databaseName]);
1249 rec->info[recInfo_databaseName] =
1250 rec_strdup (rGroup->databaseName, &rec->size[recInfo_databaseName]);
1253 recordAttr->recordOffset = recordOffset;
1255 /* commit this record */
1256 rec_put (zh->reg->records, &rec);
1263 int explain_extract (void *handle, Record rec, data1_node *n)
1265 ZebraHandle zh = (ZebraHandle) handle;
1266 struct recExtractCtrl extractCtrl;
1269 if (zebraExplain_curDatabase (zh->reg->zei,
1270 rec->info[recInfo_databaseName]))
1273 if (zebraExplain_newDatabase (zh->reg->zei,
1274 rec->info[recInfo_databaseName], 0))
1278 zh->reg->keys.buf_used = 0;
1279 zh->reg->keys.prevAttrUse = -1;
1280 zh->reg->keys.prevAttrSet = -1;
1281 zh->reg->keys.prevSeqNo = 0;
1282 zh->reg->sortKeys.buf_used = 0;
1284 extractCtrl.init = extract_init;
1285 extractCtrl.tokenAdd = extract_token_add;
1286 extractCtrl.schemaAdd = extract_schema_add;
1287 extractCtrl.dh = zh->reg->dh;
1288 for (i = 0; i<256; i++)
1289 extractCtrl.seqno[i] = 0;
1290 extractCtrl.zebra_maps = zh->reg->zebra_maps;
1291 extractCtrl.flagShowRecords = 0;
1292 extractCtrl.handle = handle;
1294 grs_extract_tree(&extractCtrl, n);
1296 if (rec->size[recInfo_delKeys])
1298 struct recKeys delkeys;
1299 struct sortKeys sortkeys;
1301 delkeys.buf_used = rec->size[recInfo_delKeys];
1302 delkeys.buf = rec->info[recInfo_delKeys];
1304 sortkeys.buf_used = rec->size[recInfo_sortKeys];
1305 sortkeys.buf = rec->info[recInfo_sortKeys];
1307 extract_flushSortKeys (zh, rec->sysno, 0, &sortkeys);
1308 extract_flushRecordKeys (zh, rec->sysno, 0, &delkeys);
1310 extract_flushRecordKeys (zh, rec->sysno, 1, &zh->reg->keys);
1311 extract_flushSortKeys (zh, rec->sysno, 1, &zh->reg->sortKeys);
1313 xfree (rec->info[recInfo_delKeys]);
1314 rec->size[recInfo_delKeys] = zh->reg->keys.buf_used;
1315 rec->info[recInfo_delKeys] = zh->reg->keys.buf;
1316 zh->reg->keys.buf = NULL;
1317 zh->reg->keys.buf_max = 0;
1319 xfree (rec->info[recInfo_sortKeys]);
1320 rec->size[recInfo_sortKeys] = zh->reg->sortKeys.buf_used;
1321 rec->info[recInfo_sortKeys] = zh->reg->sortKeys.buf;
1322 zh->reg->sortKeys.buf = NULL;
1323 zh->reg->sortKeys.buf_max = 0;
1328 void extract_flushRecordKeys (ZebraHandle zh, SYSNO sysno,
1329 int cmd, struct recKeys *reckeys)
1333 unsigned char attrSet = (unsigned char) -1;
1334 unsigned short attrUse = (unsigned short) -1;
1339 ZebraExplainInfo zei = zh->reg->zei;
1341 if (!zh->reg->key_buf)
1343 int mem= 1024*1024* atoi( res_get_def( zh->res, "memmax", "8"));
1346 logf(LOG_WARN, "Invalid memory setting, using default 8 MB");
1349 /* FIXME: That "8" should be in a default settings include */
1350 /* not hard-coded here! -H */
1351 zh->reg->key_buf = (char**) xmalloc (mem);
1352 zh->reg->ptr_top = mem/sizeof(char*);
1354 zh->reg->key_buf_used = 0;
1355 zh->reg->key_file_no = 0;
1357 zebraExplain_recordCountIncrement (zei, cmd ? 1 : -1);
1358 while (off < reckeys->buf_used)
1360 const char *src = reckeys->buf + off;
1369 memcpy (&ch, src, sizeof(ch));
1375 memcpy (&attrSet, src, sizeof(attrSet));
1376 src += sizeof(attrSet);
1380 memcpy (&attrUse, src, sizeof(attrUse));
1381 src += sizeof(attrUse);
1384 if (zh->reg->key_buf_used + 1024 >
1385 (zh->reg->ptr_top -zh->reg->ptr_i)*sizeof(char*))
1386 extract_flushWriteKeys (zh);
1388 (zh->reg->key_buf)[zh->reg->ptr_top - zh->reg->ptr_i] =
1389 (char*)zh->reg->key_buf + zh->reg->key_buf_used;
1392 ch = zebraExplain_lookupSU (zei, attrSet, attrUse);
1394 ch = zebraExplain_addSU (zei, attrSet, attrUse);
1397 zh->reg->key_buf_used +=
1398 key_SU_encode (ch,((char*)zh->reg->key_buf) +
1399 zh->reg->key_buf_used);
1402 ((char*)zh->reg->key_buf) [(zh->reg->key_buf_used)++] = *src++;
1404 ((char*)(zh->reg->key_buf))[(zh->reg->key_buf_used)++] = '\0';
1405 ((char*)(zh->reg->key_buf))[(zh->reg->key_buf_used)++] = cmd;
1408 seqno += ((lead>>2) & 15)-1;
1411 memcpy (&seqno, src, sizeof(seqno));
1412 src += sizeof(seqno);
1416 memcpy ((char*)zh->reg->key_buf + zh->reg->key_buf_used, &key, sizeof(key));
1417 (zh->reg->key_buf_used) += sizeof(key);
1418 off = src - reckeys->buf;
1420 assert (off == reckeys->buf_used);
1423 void extract_flushWriteKeys (ZebraHandle zh)
1426 char out_fname[200];
1428 struct encode_info encode_info;
1429 int ptr_i = zh->reg->ptr_i;
1433 if (!zh->reg->key_buf || ptr_i <= 0)
1436 (zh->reg->key_file_no)++;
1437 logf (LOG_LOG, "sorting section %d", (zh->reg->key_file_no));
1439 qsort (zh->reg->key_buf + zh->reg->ptr_top - ptr_i, ptr_i,
1440 sizeof(char*), key_qsort_compare);
1441 extract_get_fname_tmp (zh, out_fname, zh->reg->key_file_no);
1443 if (!(outf = fopen (out_fname, "wb")))
1445 logf (LOG_FATAL|LOG_ERRNO, "fopen %s", out_fname);
1448 logf (LOG_LOG, "writing section %d", zh->reg->key_file_no);
1449 prevcp = cp = (zh->reg->key_buf)[zh->reg->ptr_top - ptr_i];
1451 encode_key_init (&encode_info);
1452 encode_key_write (cp, &encode_info, outf);
1456 cp = (zh->reg->key_buf)[zh->reg->ptr_top - ptr_i];
1457 if (strcmp (cp, prevcp))
1459 encode_key_flush ( &encode_info, outf);
1460 encode_key_init (&encode_info);
1461 encode_key_write (cp, &encode_info, outf);
1465 encode_key_write (cp + strlen(cp), &encode_info, outf);
1467 encode_key_flush ( &encode_info, outf);
1469 qsort (key_buf + ptr_top-ptr_i, ptr_i, sizeof(char*), key_x_compare);
1470 extract_get_fname_tmp (out_fname, key_file_no);
1472 if (!(outf = fopen (out_fname, "wb")))
1474 logf (LOG_FATAL|LOG_ERRNO, "fopen %s", out_fname);
1477 logf (LOG_LOG, "writing section %d", key_file_no);
1479 prevcp = key_buf[ptr_top-i];
1481 if (!--i || strcmp (prevcp, key_buf[ptr_top-i]))
1483 key_y_len = strlen(prevcp)+1;
1485 logf (LOG_LOG, "key_y_len: %2d %02x %02x %s",
1486 key_y_len, prevcp[0], prevcp[1], 2+prevcp);
1488 qsort (key_buf + ptr_top-ptr_i, ptr_i - i,
1489 sizeof(char*), key_y_compare);
1490 cp = key_buf[ptr_top-ptr_i];
1492 encode_key_init (&encode_info);
1493 encode_key_write (cp, &encode_info, outf);
1496 cp = key_buf[ptr_top-ptr_i];
1497 encode_key_write (cp+key_y_len, &encode_info, outf);
1499 encode_key_flush ( &encode_info, outf);
1502 prevcp = key_buf[ptr_top-ptr_i];
1507 logf (LOG_FATAL|LOG_ERRNO, "fclose %s", out_fname);
1510 logf (LOG_LOG, "finished section %d", zh->reg->key_file_no);
1512 zh->reg->key_buf_used = 0;
1515 void extract_add_index_string (RecWord *p, const char *string,
1519 unsigned char attrSet;
1520 unsigned short attrUse;
1523 int *pseqno = &p->seqno;
1524 ZebraHandle zh = p->extractCtrl->handle;
1525 ZebraExplainInfo zei = zh->reg->zei;
1526 struct recKeys *keys = &zh->reg->keys;
1528 if (keys->buf_used+1024 > keys->buf_max)
1532 b = (char *) xmalloc (keys->buf_max += 128000);
1533 if (keys->buf_used > 0)
1534 memcpy (b, keys->buf, keys->buf_used);
1538 dst = keys->buf + keys->buf_used;
1540 attrSet = p->attrSet;
1541 if (keys->buf_used > 0 && keys->prevAttrSet == attrSet)
1544 keys->prevAttrSet = attrSet;
1545 attrUse = p->attrUse;
1546 if (keys->buf_used > 0 && keys->prevAttrUse == attrUse)
1549 keys->prevAttrUse = attrUse;
1551 diff = 1 + *pseqno - keys->prevSeqNo;
1552 if (diff >= 1 && diff <= 15)
1553 lead |= (diff << 2);
1557 keys->prevSeqNo = *pseqno;
1564 int ch = zebraExplain_lookupSU (zei, attrSet, attrUse);
1567 ch = zebraExplain_addSU (zei, attrSet, attrUse);
1568 yaz_log (LOG_DEBUG, "addSU set=%d use=%d SU=%d",
1569 attrSet, attrUse, ch);
1572 memcpy (dst, &ch, sizeof(ch));
1578 memcpy (dst, &attrSet, sizeof(attrSet));
1579 dst += sizeof(attrSet);
1583 memcpy (dst, &attrUse, sizeof(attrUse));
1584 dst += sizeof(attrUse);
1587 *dst++ = p->reg_type;
1588 memcpy (dst, string, length);
1594 memcpy (dst, pseqno, sizeof(*pseqno));
1595 dst += sizeof(*pseqno);
1597 keys->buf_used = dst - keys->buf;
1600 static void extract_add_sort_string (RecWord *p, const char *string,
1603 ZebraHandle zh = p->extractCtrl->handle;
1604 struct sortKeys *sk = &zh->reg->sortKeys;
1607 while (off < sk->buf_used)
1611 off += key_SU_decode(&set, sk->buf + off);
1612 off += key_SU_decode(&use, sk->buf + off);
1613 off += key_SU_decode(&slen, sk->buf + off);
1615 if (p->attrSet == set && p->attrUse == use)
1618 assert (off == sk->buf_used);
1620 if (sk->buf_used + IT_MAX_WORD > sk->buf_max)
1624 b = (char *) xmalloc (sk->buf_max += 128000);
1625 if (sk->buf_used > 0)
1626 memcpy (b, sk->buf, sk->buf_used);
1630 off += key_SU_encode(p->attrSet, sk->buf + off);
1631 off += key_SU_encode(p->attrUse, sk->buf + off);
1632 off += key_SU_encode(length, sk->buf + off);
1633 memcpy (sk->buf + off, string, length);
1634 sk->buf_used = off + length;
1637 void extract_add_string (RecWord *p, const char *string, int length)
1639 assert (length > 0);
1640 if (zebra_maps_is_sort (p->zebra_maps, p->reg_type))
1641 extract_add_sort_string (p, string, length);
1643 extract_add_index_string (p, string, length);
1646 static void extract_add_incomplete_field (RecWord *p)
1648 const char *b = p->string;
1649 int remain = p->length;
1650 const char **map = 0;
1653 map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain);
1657 char buf[IT_MAX_WORD+1];
1661 while (map && *map && **map == *CHR_SPACE)
1663 remain = p->length - (b - p->string);
1665 map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain);
1672 while (map && *map && **map != *CHR_SPACE)
1674 const char *cp = *map;
1676 while (i < IT_MAX_WORD && *cp)
1678 remain = p->length - (b - p->string);
1680 map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain);
1686 extract_add_string (p, buf, i);
1691 static void extract_add_complete_field (RecWord *p)
1693 const char *b = p->string;
1694 char buf[IT_MAX_WORD+1];
1695 const char **map = 0;
1696 int i = 0, remain = p->length;
1699 map = zebra_maps_input (p->zebra_maps, p->reg_type, &b, remain);
1701 while (remain > 0 && i < IT_MAX_WORD)
1703 while (map && *map && **map == *CHR_SPACE)
1705 remain = p->length - (b - p->string);
1707 map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain);
1714 if (i && i < IT_MAX_WORD)
1715 buf[i++] = *CHR_SPACE;
1716 while (map && *map && **map != *CHR_SPACE)
1718 const char *cp = *map;
1720 if (i >= IT_MAX_WORD)
1722 while (i < IT_MAX_WORD && *cp)
1724 remain = p->length - (b - p->string);
1726 map = zebra_maps_input (p->zebra_maps, p->reg_type, &b,
1734 extract_add_string (p, buf, i);
1737 void extract_token_add (RecWord *p)
1742 yaz_log (LOG_LOG, "reg_type=%c attrSet=%d attrUse=%d seqno=%d s=%.*s",
1743 p->reg_type, p->attrSet, p->attrUse, p->seqno, p->length,
1746 if ((wrbuf = zebra_replace(p->zebra_maps, p->reg_type, 0,
1747 p->string, p->length)))
1749 p->string = wrbuf_buf(wrbuf);
1750 p->length = wrbuf_len(wrbuf);
1752 if (zebra_maps_is_complete (p->zebra_maps, p->reg_type))
1753 extract_add_complete_field (p);
1755 extract_add_incomplete_field(p);
1758 void extract_schema_add (struct recExtractCtrl *p, Odr_oid *oid)
1760 ZebraHandle zh = (ZebraHandle) (p->handle);
1761 zebraExplain_addSchema (zh->reg->zei, oid);
1764 void extract_flushSortKeys (ZebraHandle zh, SYSNO sysno,
1765 int cmd, struct sortKeys *sk)
1767 SortIdx sortIdx = zh->reg->sortIdx;
1770 sortIdx_sysno (sortIdx, sysno);
1772 while (off < sk->buf_used)
1776 off += key_SU_decode(&set, sk->buf + off);
1777 off += key_SU_decode(&use, sk->buf + off);
1778 off += key_SU_decode(&slen, sk->buf + off);
1780 sortIdx_type(sortIdx, use);
1782 sortIdx_add(sortIdx, sk->buf + off, slen);
1784 sortIdx_add(sortIdx, "", 1);
1789 void encode_key_init (struct encode_info *i)
1800 char *encode_key_int (int d, char *bp)
1804 else if (d <= 16383)
1806 *bp++ = 64 + (d>>8);
1809 else if (d <= 4194303)
1811 *bp++ = 128 + (d>>16);
1812 *bp++ = (d>>8) & 255;
1817 *bp++ = 192 + (d>>24);
1818 *bp++ = (d>>16) & 255;
1819 *bp++ = (d>>8) & 255;
1826 /* this is the old encode_key_write
1827 * may be deleted once we are confident that the new works
1830 void encode_key_write (char *k, struct encode_info *i, FILE *outf)
1835 while ((*bp++ = *k++))
1837 memcpy (&key, k+1, sizeof(struct it_key));
1838 bp = encode_key_int ( (key.sysno - i->sysno) * 2 + *k, bp);
1839 if (i->sysno != key.sysno)
1841 i->sysno = key.sysno;
1844 else if (!i->seqno && !key.seqno && i->cmd == *k)
1846 bp = encode_key_int (key.seqno - i->seqno, bp);
1847 i->seqno = key.seqno;
1849 if (fwrite (i->buf, bp - i->buf, 1, outf) != 1)
1851 logf (LOG_FATAL|LOG_ERRNO, "fwrite");
1856 void encode_key_flush (struct encode_info *i, FILE *outf)
1857 { /* dummy routine */
1862 /* new encode_key_write
1863 * The idea is to buffer one more key, and compare them
1864 * If we are going to delete and insert the same key,
1865 * we may as well not bother. Should make a difference in
1866 * updates with small modifications (appending to a mbox)
1868 void encode_key_write (char *k, struct encode_info *i, FILE *outf)
1873 if (*k) /* first time for new key */
1876 while ((*bp++ = *k++))
1878 i->keylen= bp - i->buf -1;
1879 assert(i->keylen+1+sizeof(struct it_key) < ENCODE_BUFLEN);
1883 bp=i->buf + i->keylen;
1888 memcpy (&key, k+1, sizeof(struct it_key));
1889 if (0==i->prevsys) /* no previous filter, fill up */
1891 i->prevsys=key.sysno;
1892 i->prevseq=key.seqno;
1895 else if ( (i->prevsys==key.sysno) &&
1896 (i->prevseq==key.seqno) &&
1898 { /* same numbers, diff cmd, they cancel out */
1902 { /* different stuff, write previous, move buf */
1903 bp = encode_key_int ( (i->prevsys - i->sysno) * 2 + i->prevcmd, bp);
1904 if (i->sysno != i->prevsys)
1906 i->sysno = i->prevsys;
1909 else if (!i->seqno && !i->prevseq && i->cmd == i->prevcmd)
1911 return; /* ??? Filters some sort of duplicates away */
1912 /* ??? Can this ever happen -H 15oct02 */
1914 bp = encode_key_int (i->prevseq - i->seqno, bp);
1915 i->seqno = i->prevseq;
1916 i->cmd = i->prevcmd;
1917 if (fwrite (i->buf, bp - i->buf, 1, outf) != 1)
1919 logf (LOG_FATAL|LOG_ERRNO, "fwrite");
1922 i->keylen=0; /* ok, it's written, forget it */
1923 i->prevsys=key.sysno;
1924 i->prevseq=key.seqno;
1929 void encode_key_flush (struct encode_info *i, FILE *outf)
1930 { /* flush the last key from i */
1931 char *bp =i->buf + i->keylen;
1934 return; /* nothing to flush */
1937 bp = encode_key_int ( (i->prevsys - i->sysno) * 2 + i->prevcmd, bp);
1938 if (i->sysno != i->prevsys)
1940 i->sysno = i->prevsys;
1943 else if (!i->seqno && !i->prevseq && i->cmd == i->prevcmd)
1945 return; /* ??? Filters some sort of duplicates away */
1946 /* ??? Can this ever happen -H 15oct02 */
1948 bp = encode_key_int (i->prevseq - i->seqno, bp);
1949 i->seqno = i->prevseq;
1950 i->cmd = i->prevcmd;
1951 if (fwrite (i->buf, bp - i->buf, 1, outf) != 1)
1953 logf (LOG_FATAL|LOG_ERRNO, "fwrite");
1956 i->keylen=0; /* ok, it's written, forget it */
1957 i->prevsys=0; /* forget the values too */