1 /* $Id: extract.c,v 1.144 2003-04-15 16:46:18 adam Exp $
2 Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003
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,
425 RecordAttr *recordAttr;
430 off_t recordOffset = 0;
434 struct recExtractCtrl extractCtrl;
436 /* we are going to read from a file, so prepare the extraction */
439 zh->reg->keys.buf_used = 0;
440 zh->reg->keys.prevAttrUse = -1;
441 zh->reg->keys.prevAttrSet = -1;
442 zh->reg->keys.prevSeqNo = 0;
443 zh->reg->sortKeys.buf_used = 0;
445 recordOffset = fi->file_moffset;
446 extractCtrl.offset = fi->file_moffset;
447 extractCtrl.readf = file_read;
448 extractCtrl.seekf = file_seek;
449 extractCtrl.tellf = file_tell;
450 extractCtrl.endf = file_end;
452 extractCtrl.subType = subType;
453 extractCtrl.init = extract_init;
454 extractCtrl.tokenAdd = extract_token_add;
455 extractCtrl.schemaAdd = extract_schema_add;
456 extractCtrl.dh = zh->reg->dh;
457 extractCtrl.handle = zh;
458 for (i = 0; i<256; i++)
460 if (zebra_maps_is_positioned(zh->reg->zebra_maps, i))
461 extractCtrl.seqno[i] = 1;
463 extractCtrl.seqno[i] = 0;
465 extractCtrl.zebra_maps = zh->reg->zebra_maps;
466 extractCtrl.flagShowRecords = !rGroup->flagRw;
469 printf ("File: %s " PRINTF_OFF_T "\n", fname, recordOffset);
473 sprintf (msg, "%s:" PRINTF_OFF_T , fname, recordOffset);
474 yaz_log_init_prefix2 (msg);
477 r = (*recType->extract)(clientData, &extractCtrl);
479 yaz_log_init_prefix2 (0);
480 if (r == RECCTRL_EXTRACT_EOF)
482 else if (r == RECCTRL_EXTRACT_ERROR_GENERIC)
484 /* error occured during extraction ... */
485 if (rGroup->flagRw &&
486 zh->records_processed < rGroup->fileVerboseLimit)
488 logf (LOG_WARN, "fail %s %s " PRINTF_OFF_T, rGroup->recordType,
489 fname, recordOffset);
493 else if (r == RECCTRL_EXTRACT_ERROR_NO_SUCH_FILTER)
495 /* error occured during extraction ... */
496 if (rGroup->flagRw &&
497 zh->records_processed < rGroup->fileVerboseLimit)
499 logf (LOG_WARN, "no filter for %s %s "
500 PRINTF_OFF_T, rGroup->recordType,
501 fname, recordOffset);
505 if (zh->reg->keys.buf_used == 0)
507 /* the extraction process returned no information - the record
508 is probably empty - unless flagShowRecords is in use */
512 logf (LOG_WARN, "empty %s %s " PRINTF_OFF_T, rGroup->recordType,
513 fname, recordOffset);
518 /* perform match if sysno not known and if match criteria is specified */
525 if (rGroup->recordId && *rGroup->recordId)
529 matchStr = fileMatchStr (zh, &zh->reg->keys, rGroup, fname,
533 rinfo = dict_lookup (zh->reg->matchDict, matchStr);
535 memcpy (sysno, rinfo+1, sizeof(*sysno));
539 logf (LOG_WARN, "Bad match criteria");
550 logf (LOG_LOG, "delete %s %s " PRINTF_OFF_T, rGroup->recordType,
551 fname, recordOffset);
552 logf (LOG_WARN, "cannot delete record above (seems new)");
555 if (zh->records_processed < rGroup->fileVerboseLimit)
556 logf (LOG_LOG, "add %s %s " PRINTF_OFF_T, rGroup->recordType,
557 fname, recordOffset);
558 rec = rec_new (zh->reg->records);
562 recordAttr = rec_init_attr (zh->reg->zei, rec);
566 dict_insert (zh->reg->matchDict, matchStr, sizeof(*sysno), sysno);
568 extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
569 extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
571 zh->records_inserted++;
575 /* record already exists */
576 struct recKeys delkeys;
577 struct sortKeys sortKeys;
579 rec = rec_get (zh->reg->records, *sysno);
582 recordAttr = rec_init_attr (zh->reg->zei, rec);
584 if (!force_update && recordAttr->runNumber ==
585 zebraExplain_runNumberIncrement (zh->reg->zei, 0))
587 yaz_log (LOG_LOG, "run number = %d", recordAttr->runNumber);
588 yaz_log (LOG_LOG, "skipped %s %s " PRINTF_OFF_T,
589 rGroup->recordType, fname, recordOffset);
590 extract_flushSortKeys (zh, *sysno, -1, &zh->reg->sortKeys);
595 delkeys.buf_used = rec->size[recInfo_delKeys];
596 delkeys.buf = rec->info[recInfo_delKeys];
598 sortKeys.buf_used = rec->size[recInfo_sortKeys];
599 sortKeys.buf = rec->info[recInfo_sortKeys];
601 extract_flushSortKeys (zh, *sysno, 0, &sortKeys);
602 extract_flushRecordKeys (zh, *sysno, 0, &delkeys);
605 /* record going to be deleted */
606 if (!delkeys.buf_used)
608 logf (LOG_LOG, "delete %s %s " PRINTF_OFF_T,
609 rGroup->recordType, fname, recordOffset);
610 logf (LOG_WARN, "cannot delete file above, storeKeys false");
614 if (zh->records_processed < rGroup->fileVerboseLimit)
615 logf (LOG_LOG, "delete %s %s " PRINTF_OFF_T,
616 rGroup->recordType, fname, recordOffset);
617 zh->records_deleted++;
619 dict_delete (zh->reg->matchDict, matchStr);
620 rec_del (zh->reg->records, &rec);
628 /* record going to be updated */
629 if (!delkeys.buf_used)
631 logf (LOG_LOG, "update %s %s " PRINTF_OFF_T,
632 rGroup->recordType, fname, recordOffset);
633 logf (LOG_WARN, "cannot update file above, storeKeys false");
637 if (zh->records_processed < rGroup->fileVerboseLimit)
638 logf (LOG_LOG, "update %s %s " PRINTF_OFF_T,
639 rGroup->recordType, fname, recordOffset);
640 extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
641 extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
642 zh->records_updated++;
646 /* update file type */
647 xfree (rec->info[recInfo_fileType]);
648 rec->info[recInfo_fileType] =
649 rec_strdup (rGroup->recordType, &rec->size[recInfo_fileType]);
651 /* update filename */
652 xfree (rec->info[recInfo_filename]);
653 rec->info[recInfo_filename] =
654 rec_strdup (fname, &rec->size[recInfo_filename]);
656 /* update delete keys */
657 xfree (rec->info[recInfo_delKeys]);
658 if (zh->reg->keys.buf_used > 0 && rGroup->flagStoreKeys == 1)
660 rec->size[recInfo_delKeys] = zh->reg->keys.buf_used;
661 rec->info[recInfo_delKeys] = zh->reg->keys.buf;
662 zh->reg->keys.buf = NULL;
663 zh->reg->keys.buf_max = 0;
667 rec->info[recInfo_delKeys] = NULL;
668 rec->size[recInfo_delKeys] = 0;
671 /* update sort keys */
672 xfree (rec->info[recInfo_sortKeys]);
674 rec->size[recInfo_sortKeys] = zh->reg->sortKeys.buf_used;
675 rec->info[recInfo_sortKeys] = zh->reg->sortKeys.buf;
676 zh->reg->sortKeys.buf = NULL;
677 zh->reg->sortKeys.buf_max = 0;
679 /* save file size of original record */
680 zebraExplain_recordBytesIncrement (zh->reg->zei,
681 - recordAttr->recordSize);
682 recordAttr->recordSize = fi->file_moffset - recordOffset;
683 if (!recordAttr->recordSize)
684 recordAttr->recordSize = fi->file_max - recordOffset;
685 zebraExplain_recordBytesIncrement (zh->reg->zei,
686 recordAttr->recordSize);
688 /* set run-number for this record */
689 recordAttr->runNumber = zebraExplain_runNumberIncrement (zh->reg->zei,
692 /* update store data */
693 xfree (rec->info[recInfo_storeData]);
694 if (rGroup->flagStoreData == 1)
696 rec->size[recInfo_storeData] = recordAttr->recordSize;
697 rec->info[recInfo_storeData] = (char *)
698 xmalloc (recordAttr->recordSize);
699 if (lseek (fi->fd, recordOffset, SEEK_SET) < 0)
701 logf (LOG_ERRNO|LOG_FATAL, "seek to " PRINTF_OFF_T " in %s",
702 recordOffset, fname);
705 if (read (fi->fd, rec->info[recInfo_storeData], recordAttr->recordSize)
706 < recordAttr->recordSize)
708 logf (LOG_ERRNO|LOG_FATAL, "read %d bytes of %s",
709 recordAttr->recordSize, fname);
715 rec->info[recInfo_storeData] = NULL;
716 rec->size[recInfo_storeData] = 0;
718 /* update database name */
719 xfree (rec->info[recInfo_databaseName]);
720 rec->info[recInfo_databaseName] =
721 rec_strdup (rGroup->databaseName, &rec->size[recInfo_databaseName]);
724 recordAttr->recordOffset = recordOffset;
726 /* commit this record */
727 rec_put (zh->reg->records, &rec);
732 int fileExtract (ZebraHandle zh, SYSNO *sysno, const char *fname,
733 const struct recordGroup *rGroupP, int deleteFlag)
741 struct recordGroup rGroupM;
742 struct recordGroup *rGroup = &rGroupM;
743 struct file_read_info *fi;
746 memcpy (rGroup, rGroupP, sizeof(*rGroupP));
748 if (!rGroup->groupName || !*rGroup->groupName)
751 sprintf (gprefix, "%s.", rGroup->groupName);
753 logf (LOG_DEBUG, "fileExtract %s", fname);
755 /* determine file extension */
757 for (i = strlen(fname); --i >= 0; )
760 else if (fname[i] == '.')
762 strcpy (ext, fname+i+1);
765 /* determine file type - depending on extension */
766 if (!rGroup->recordType)
768 sprintf (ext_res, "%srecordType.%s", gprefix, ext);
769 if (!(rGroup->recordType = res_get (zh->res, ext_res)))
771 sprintf (ext_res, "%srecordType", gprefix);
772 rGroup->recordType = res_get (zh->res, ext_res);
775 if (!rGroup->recordType)
777 if (zh->records_processed < rGroup->fileVerboseLimit)
778 logf (LOG_LOG, "? %s", fname);
781 if (!*rGroup->recordType)
784 recType_byName (zh->reg->recTypes, rGroup->recordType, subType,
787 logf (LOG_WARN, "No such record type: %s", rGroup->recordType);
791 /* determine match criteria */
792 if (!rGroup->recordId)
794 sprintf (ext_res, "%srecordId.%s", gprefix, ext);
795 rGroup->recordId = res_get (zh->res, ext_res);
798 /* determine database name */
799 if (!rGroup->databaseName)
801 sprintf (ext_res, "%sdatabase.%s", gprefix, ext);
802 if (!(rGroup->databaseName = res_get (zh->res, ext_res)))
804 sprintf (ext_res, "%sdatabase", gprefix);
805 rGroup->databaseName = res_get (zh->res, ext_res);
808 if (!rGroup->databaseName)
809 rGroup->databaseName = "Default";
811 /* determine if explain database */
813 sprintf (ext_res, "%sexplainDatabase", gprefix);
814 rGroup->explainDatabase =
815 atoi (res_get_def (zh->res, ext_res, "0"));
817 /* announce database */
818 if (zebraExplain_curDatabase (zh->reg->zei, rGroup->databaseName))
820 if (zebraExplain_newDatabase (zh->reg->zei, rGroup->databaseName,
821 rGroup->explainDatabase))
825 if (rGroup->flagStoreData == -1)
828 sprintf (ext_res, "%sstoreData.%s", gprefix, ext);
829 if (!(sval = res_get (zh->res, ext_res)))
831 sprintf (ext_res, "%sstoreData", gprefix);
832 sval = res_get (zh->res, ext_res);
835 rGroup->flagStoreData = atoi (sval);
837 if (rGroup->flagStoreData == -1)
838 rGroup->flagStoreData = 0;
840 if (rGroup->flagStoreKeys == -1)
844 sprintf (ext_res, "%sstoreKeys.%s", gprefix, ext);
845 sval = res_get (zh->res, ext_res);
848 sprintf (ext_res, "%sstoreKeys", gprefix);
849 sval = res_get (zh->res, ext_res);
852 sval = res_get (zh->res, "storeKeys");
854 rGroup->flagStoreKeys = atoi (sval);
856 if (rGroup->flagStoreKeys == -1)
857 rGroup->flagStoreKeys = 0;
859 if (sysno && deleteFlag)
865 if (zh->path_reg && !yaz_is_abspath (fname))
867 strcpy (full_rep, zh->path_reg);
868 strcat (full_rep, "/");
869 strcat (full_rep, fname);
872 strcpy (full_rep, fname);
875 if ((fd = open (full_rep, O_BINARY|O_RDONLY)) == -1)
877 logf (LOG_WARN|LOG_ERRNO, "open %s", full_rep);
881 fi = file_read_start (fd);
885 r = recordExtract (zh, sysno, fname, rGroup, deleteFlag, fi,
886 recType, subType, clientData, 1);
887 } while (r && !sysno && fi->file_more);
893 int extract_rec_in_mem (ZebraHandle zh, const char *recordType,
894 const char *buf, size_t buf_size,
895 const char *databaseName, int delete_flag,
896 int test_mode, int *sysno,
897 int store_keys, int store_data,
898 const char *match_criteria)
900 struct recordGroup rGroup;
901 rGroup.groupName = NULL;
902 rGroup.databaseName = (char *)databaseName;
904 rGroup.recordId = NULL;
905 rGroup.recordType = (char *)recordType;
906 rGroup.flagStoreData = store_data;
907 rGroup.flagStoreKeys = store_keys;
909 rGroup.databaseNamePath = 0;
910 rGroup.explainDatabase = 0;
911 rGroup.fileVerboseLimit = 100000;
912 rGroup.followLinks = -1;
913 return (bufferExtractRecord (zh,
925 If sysno is provided, then it's used to identify the reocord.
926 If not, and match_criteria is provided, then sysno is guessed
927 If not, and a record is provided, then sysno is got from there
930 int bufferExtractRecord (ZebraHandle zh,
931 const char *buf, size_t buf_size,
932 struct recordGroup *rGroup,
935 const char *recordType,
937 const char *match_criteria,
943 RecordAttr *recordAttr;
944 struct recExtractCtrl extractCtrl;
947 RecType recType = NULL;
951 long recordOffset = 0;
952 struct zebra_fetch_control fc;
955 fc.record_int_buf = buf;
956 fc.record_int_len = buf_size;
957 fc.record_int_pos = 0;
959 fc.record_offset = 0;
961 extractCtrl.offset = 0;
962 extractCtrl.readf = zebra_record_int_read;
963 extractCtrl.seekf = zebra_record_int_seek;
964 extractCtrl.tellf = zebra_record_int_tell;
965 extractCtrl.endf = zebra_record_int_end;
966 extractCtrl.fh = &fc;
968 zh->reg->keys.buf_used = 0;
969 zh->reg->keys.prevAttrUse = -1;
970 zh->reg->keys.prevAttrSet = -1;
971 zh->reg->keys.prevSeqNo = 0;
972 zh->reg->sortKeys.buf_used = 0;
974 /* announce database */
976 if (!(rGroup->databaseName)) {
977 logf (LOG_WARN, "Invalid record group, no database name given");
981 if (zebraExplain_curDatabase (zh->reg->zei, rGroup->databaseName))
983 if (zebraExplain_newDatabase (zh->reg->zei, rGroup->databaseName, 0))
988 logf (LOG_DEBUG, "Record type explicitly specified: %s", recordType);
989 recType = recType_byName (zh->reg->recTypes, recordType, subType,
992 if (!(rGroup->recordType)) {
993 logf (LOG_WARN, "No such record type defined");
996 logf (LOG_DEBUG, "Get record type from rgroup: %s",rGroup->recordType);
997 recType = recType_byName (zh->reg->recTypes, rGroup->recordType, subType,
999 recordType = rGroup->recordType;
1003 logf (LOG_WARN, "No such record type: %s", rGroup->recordType);
1007 extractCtrl.subType = subType;
1008 extractCtrl.init = extract_init;
1009 extractCtrl.tokenAdd = extract_token_add;
1010 extractCtrl.schemaAdd = extract_schema_add;
1011 extractCtrl.dh = zh->reg->dh;
1012 extractCtrl.handle = zh;
1013 extractCtrl.zebra_maps = zh->reg->zebra_maps;
1014 extractCtrl.flagShowRecords = 0;
1015 for (i = 0; i<256; i++)
1017 if (zebra_maps_is_positioned(zh->reg->zebra_maps, i))
1018 extractCtrl.seqno[i] = 1;
1020 extractCtrl.seqno[i] = 0;
1023 r = (*recType->extract)(clientData, &extractCtrl);
1025 if (r == RECCTRL_EXTRACT_EOF)
1027 else if (r == RECCTRL_EXTRACT_ERROR_GENERIC)
1029 /* error occured during extraction ... */
1030 yaz_log (LOG_WARN, "extract error: generic");
1033 else if (r == RECCTRL_EXTRACT_ERROR_NO_SUCH_FILTER)
1035 /* error occured during extraction ... */
1036 yaz_log (LOG_WARN, "extract error: no such filter");
1039 if (zh->reg->keys.buf_used == 0)
1041 /* the extraction process returned no information - the record
1042 is probably empty - unless flagShowRecords is in use */
1045 logf (LOG_WARN, "No keys generated for record");
1046 logf (LOG_WARN, " The file is probably empty");
1049 /* match criteria */
1052 if (! *sysno && match_criteria) {
1054 if (*match_criteria) {
1055 matchStr = (char *)match_criteria;
1057 if (rGroup->recordId && *rGroup->recordId) {
1058 matchStr = fileMatchStr (zh, &zh->reg->keys, rGroup, fname,
1063 rinfo = dict_lookup (zh->reg->matchDict, matchStr);
1065 memcpy (sysno, rinfo+1, sizeof(*sysno));
1067 logf (LOG_WARN, "Bad match criteria (recordID)");
1077 logf (LOG_LOG, "delete %s %s %ld", recordType,
1078 fname, (long) recordOffset);
1079 logf (LOG_WARN, "cannot delete record above (seems new)");
1082 logf (LOG_LOG, "add %s %s %ld", recordType, fname,
1083 (long) recordOffset);
1084 rec = rec_new (zh->reg->records);
1086 *sysno = rec->sysno;
1088 recordAttr = rec_init_attr (zh->reg->zei, rec);
1092 dict_insert (zh->reg->matchDict, matchStr,
1093 sizeof(*sysno), sysno);
1095 extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
1096 extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
1098 zh->records_inserted++;
1102 /* record already exists */
1103 struct recKeys delkeys;
1104 struct sortKeys sortKeys;
1106 if (!allow_update) {
1107 logf (LOG_LOG, "skipped %s %s %ld",
1108 recordType, fname, (long) recordOffset);
1113 rec = rec_get (zh->reg->records, *sysno);
1116 recordAttr = rec_init_attr (zh->reg->zei, rec);
1118 if (!force_update) {
1119 if (recordAttr->runNumber ==
1120 zebraExplain_runNumberIncrement (zh->reg->zei, 0))
1122 logf (LOG_LOG, "skipped %s %s %ld", recordType,
1123 fname, (long) recordOffset);
1124 extract_flushSortKeys (zh, *sysno, -1, &zh->reg->sortKeys);
1131 delkeys.buf_used = rec->size[recInfo_delKeys];
1132 delkeys.buf = rec->info[recInfo_delKeys];
1134 sortKeys.buf_used = rec->size[recInfo_sortKeys];
1135 sortKeys.buf = rec->info[recInfo_sortKeys];
1137 extract_flushSortKeys (zh, *sysno, 0, &sortKeys);
1138 extract_flushRecordKeys (zh, *sysno, 0, &delkeys);
1141 /* record going to be deleted */
1142 if (!delkeys.buf_used)
1144 logf (LOG_LOG, "delete %s %s %ld", recordType,
1145 fname, (long) recordOffset);
1146 logf (LOG_WARN, "cannot delete file above, storeKeys false");
1150 logf (LOG_LOG, "delete %s %s %ld", recordType,
1151 fname, (long) recordOffset);
1152 zh->records_deleted++;
1154 dict_delete (zh->reg->matchDict, matchStr);
1155 rec_del (zh->reg->records, &rec);
1163 /* record going to be updated */
1164 if (!delkeys.buf_used)
1166 logf (LOG_LOG, "update %s %s %ld", recordType,
1167 fname, (long) recordOffset);
1168 logf (LOG_WARN, "cannot update file above, storeKeys false");
1172 logf (LOG_LOG, "update %s %s %ld", recordType,
1173 fname, (long) recordOffset);
1174 extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
1175 extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
1176 zh->records_updated++;
1180 /* update file type */
1181 xfree (rec->info[recInfo_fileType]);
1182 rec->info[recInfo_fileType] =
1183 rec_strdup (recordType, &rec->size[recInfo_fileType]);
1185 /* update filename */
1186 xfree (rec->info[recInfo_filename]);
1187 rec->info[recInfo_filename] =
1188 rec_strdup (fname, &rec->size[recInfo_filename]);
1190 /* update delete keys */
1191 xfree (rec->info[recInfo_delKeys]);
1192 if (zh->reg->keys.buf_used > 0 && rGroup->flagStoreKeys == 1)
1194 rec->size[recInfo_delKeys] = zh->reg->keys.buf_used;
1195 rec->info[recInfo_delKeys] = zh->reg->keys.buf;
1196 zh->reg->keys.buf = NULL;
1197 zh->reg->keys.buf_max = 0;
1201 rec->info[recInfo_delKeys] = NULL;
1202 rec->size[recInfo_delKeys] = 0;
1205 /* update sort keys */
1206 xfree (rec->info[recInfo_sortKeys]);
1208 rec->size[recInfo_sortKeys] = zh->reg->sortKeys.buf_used;
1209 rec->info[recInfo_sortKeys] = zh->reg->sortKeys.buf;
1210 zh->reg->sortKeys.buf = NULL;
1211 zh->reg->sortKeys.buf_max = 0;
1213 /* save file size of original record */
1214 zebraExplain_recordBytesIncrement (zh->reg->zei,
1215 - recordAttr->recordSize);
1217 recordAttr->recordSize = fi->file_moffset - recordOffset;
1218 if (!recordAttr->recordSize)
1219 recordAttr->recordSize = fi->file_max - recordOffset;
1221 recordAttr->recordSize = buf_size;
1223 zebraExplain_recordBytesIncrement (zh->reg->zei,
1224 recordAttr->recordSize);
1226 /* set run-number for this record */
1227 recordAttr->runNumber =
1228 zebraExplain_runNumberIncrement (zh->reg->zei, 0);
1230 /* update store data */
1231 xfree (rec->info[recInfo_storeData]);
1232 if (rGroup->flagStoreData == 1)
1234 rec->size[recInfo_storeData] = recordAttr->recordSize;
1235 rec->info[recInfo_storeData] = (char *)
1236 xmalloc (recordAttr->recordSize);
1238 memcpy (rec->info[recInfo_storeData], buf, recordAttr->recordSize);
1240 if (lseek (fi->fd, recordOffset, SEEK_SET) < 0)
1242 logf (LOG_ERRNO|LOG_FATAL, "seek to %ld in %s",
1243 (long) recordOffset, fname);
1246 if (read (fi->fd, rec->info[recInfo_storeData], recordAttr->recordSize)
1247 < recordAttr->recordSize)
1249 logf (LOG_ERRNO|LOG_FATAL, "read %d bytes of %s",
1250 recordAttr->recordSize, fname);
1257 rec->info[recInfo_storeData] = NULL;
1258 rec->size[recInfo_storeData] = 0;
1260 /* update database name */
1261 xfree (rec->info[recInfo_databaseName]);
1262 rec->info[recInfo_databaseName] =
1263 rec_strdup (rGroup->databaseName, &rec->size[recInfo_databaseName]);
1266 recordAttr->recordOffset = recordOffset;
1268 /* commit this record */
1269 rec_put (zh->reg->records, &rec);
1276 int explain_extract (void *handle, Record rec, data1_node *n)
1278 ZebraHandle zh = (ZebraHandle) handle;
1279 struct recExtractCtrl extractCtrl;
1282 if (zebraExplain_curDatabase (zh->reg->zei,
1283 rec->info[recInfo_databaseName]))
1286 if (zebraExplain_newDatabase (zh->reg->zei,
1287 rec->info[recInfo_databaseName], 0))
1291 zh->reg->keys.buf_used = 0;
1292 zh->reg->keys.prevAttrUse = -1;
1293 zh->reg->keys.prevAttrSet = -1;
1294 zh->reg->keys.prevSeqNo = 0;
1295 zh->reg->sortKeys.buf_used = 0;
1297 extractCtrl.init = extract_init;
1298 extractCtrl.tokenAdd = extract_token_add;
1299 extractCtrl.schemaAdd = extract_schema_add;
1300 extractCtrl.dh = zh->reg->dh;
1301 for (i = 0; i<256; i++)
1302 extractCtrl.seqno[i] = 0;
1303 extractCtrl.zebra_maps = zh->reg->zebra_maps;
1304 extractCtrl.flagShowRecords = 0;
1305 extractCtrl.handle = handle;
1307 grs_extract_tree(&extractCtrl, n);
1309 if (rec->size[recInfo_delKeys])
1311 struct recKeys delkeys;
1312 struct sortKeys sortkeys;
1314 delkeys.buf_used = rec->size[recInfo_delKeys];
1315 delkeys.buf = rec->info[recInfo_delKeys];
1317 sortkeys.buf_used = rec->size[recInfo_sortKeys];
1318 sortkeys.buf = rec->info[recInfo_sortKeys];
1320 extract_flushSortKeys (zh, rec->sysno, 0, &sortkeys);
1321 extract_flushRecordKeys (zh, rec->sysno, 0, &delkeys);
1323 extract_flushRecordKeys (zh, rec->sysno, 1, &zh->reg->keys);
1324 extract_flushSortKeys (zh, rec->sysno, 1, &zh->reg->sortKeys);
1326 xfree (rec->info[recInfo_delKeys]);
1327 rec->size[recInfo_delKeys] = zh->reg->keys.buf_used;
1328 rec->info[recInfo_delKeys] = zh->reg->keys.buf;
1329 zh->reg->keys.buf = NULL;
1330 zh->reg->keys.buf_max = 0;
1332 xfree (rec->info[recInfo_sortKeys]);
1333 rec->size[recInfo_sortKeys] = zh->reg->sortKeys.buf_used;
1334 rec->info[recInfo_sortKeys] = zh->reg->sortKeys.buf;
1335 zh->reg->sortKeys.buf = NULL;
1336 zh->reg->sortKeys.buf_max = 0;
1341 void extract_flushRecordKeys (ZebraHandle zh, SYSNO sysno,
1342 int cmd, struct recKeys *reckeys)
1346 unsigned char attrSet = (unsigned char) -1;
1347 unsigned short attrUse = (unsigned short) -1;
1352 ZebraExplainInfo zei = zh->reg->zei;
1354 if (!zh->reg->key_buf)
1356 int mem= 1024*1024* atoi( res_get_def( zh->res, "memmax", "8"));
1359 logf(LOG_WARN, "Invalid memory setting, using default 8 MB");
1362 /* FIXME: That "8" should be in a default settings include */
1363 /* not hard-coded here! -H */
1364 zh->reg->key_buf = (char**) xmalloc (mem);
1365 zh->reg->ptr_top = mem/sizeof(char*);
1367 zh->reg->key_buf_used = 0;
1368 zh->reg->key_file_no = 0;
1370 zebraExplain_recordCountIncrement (zei, cmd ? 1 : -1);
1371 while (off < reckeys->buf_used)
1373 const char *src = reckeys->buf + off;
1382 memcpy (&ch, src, sizeof(ch));
1388 memcpy (&attrSet, src, sizeof(attrSet));
1389 src += sizeof(attrSet);
1393 memcpy (&attrUse, src, sizeof(attrUse));
1394 src += sizeof(attrUse);
1397 if (zh->reg->key_buf_used + 1024 >
1398 (zh->reg->ptr_top -zh->reg->ptr_i)*sizeof(char*))
1399 extract_flushWriteKeys (zh);
1401 (zh->reg->key_buf)[zh->reg->ptr_top - zh->reg->ptr_i] =
1402 (char*)zh->reg->key_buf + zh->reg->key_buf_used;
1405 ch = zebraExplain_lookupSU (zei, attrSet, attrUse);
1407 ch = zebraExplain_addSU (zei, attrSet, attrUse);
1410 zh->reg->key_buf_used +=
1411 key_SU_encode (ch,((char*)zh->reg->key_buf) +
1412 zh->reg->key_buf_used);
1415 ((char*)zh->reg->key_buf) [(zh->reg->key_buf_used)++] = *src++;
1417 ((char*)(zh->reg->key_buf))[(zh->reg->key_buf_used)++] = '\0';
1418 ((char*)(zh->reg->key_buf))[(zh->reg->key_buf_used)++] = cmd;
1421 seqno += ((lead>>2) & 15)-1;
1424 memcpy (&seqno, src, sizeof(seqno));
1425 src += sizeof(seqno);
1429 memcpy ((char*)zh->reg->key_buf + zh->reg->key_buf_used, &key, sizeof(key));
1430 (zh->reg->key_buf_used) += sizeof(key);
1431 off = src - reckeys->buf;
1433 assert (off == reckeys->buf_used);
1436 void extract_flushWriteKeys (ZebraHandle zh)
1439 char out_fname[200];
1441 struct encode_info encode_info;
1442 int ptr_i = zh->reg->ptr_i;
1446 if (!zh->reg->key_buf || ptr_i <= 0)
1449 (zh->reg->key_file_no)++;
1450 logf (LOG_LOG, "sorting section %d", (zh->reg->key_file_no));
1452 qsort (zh->reg->key_buf + zh->reg->ptr_top - ptr_i, ptr_i,
1453 sizeof(char*), key_qsort_compare);
1454 extract_get_fname_tmp (zh, out_fname, zh->reg->key_file_no);
1456 if (!(outf = fopen (out_fname, "wb")))
1458 logf (LOG_FATAL|LOG_ERRNO, "fopen %s", out_fname);
1461 logf (LOG_LOG, "writing section %d", zh->reg->key_file_no);
1462 prevcp = cp = (zh->reg->key_buf)[zh->reg->ptr_top - ptr_i];
1464 encode_key_init (&encode_info);
1465 encode_key_write (cp, &encode_info, outf);
1469 cp = (zh->reg->key_buf)[zh->reg->ptr_top - ptr_i];
1470 if (strcmp (cp, prevcp))
1472 encode_key_flush ( &encode_info, outf);
1473 encode_key_init (&encode_info);
1474 encode_key_write (cp, &encode_info, outf);
1478 encode_key_write (cp + strlen(cp), &encode_info, outf);
1480 encode_key_flush ( &encode_info, outf);
1482 qsort (key_buf + ptr_top-ptr_i, ptr_i, sizeof(char*), key_x_compare);
1483 extract_get_fname_tmp (out_fname, key_file_no);
1485 if (!(outf = fopen (out_fname, "wb")))
1487 logf (LOG_FATAL|LOG_ERRNO, "fopen %s", out_fname);
1490 logf (LOG_LOG, "writing section %d", key_file_no);
1492 prevcp = key_buf[ptr_top-i];
1494 if (!--i || strcmp (prevcp, key_buf[ptr_top-i]))
1496 key_y_len = strlen(prevcp)+1;
1498 logf (LOG_LOG, "key_y_len: %2d %02x %02x %s",
1499 key_y_len, prevcp[0], prevcp[1], 2+prevcp);
1501 qsort (key_buf + ptr_top-ptr_i, ptr_i - i,
1502 sizeof(char*), key_y_compare);
1503 cp = key_buf[ptr_top-ptr_i];
1505 encode_key_init (&encode_info);
1506 encode_key_write (cp, &encode_info, outf);
1509 cp = key_buf[ptr_top-ptr_i];
1510 encode_key_write (cp+key_y_len, &encode_info, outf);
1512 encode_key_flush ( &encode_info, outf);
1515 prevcp = key_buf[ptr_top-ptr_i];
1520 logf (LOG_FATAL|LOG_ERRNO, "fclose %s", out_fname);
1523 logf (LOG_LOG, "finished section %d", zh->reg->key_file_no);
1525 zh->reg->key_buf_used = 0;
1528 void extract_add_index_string (RecWord *p, const char *string,
1532 unsigned char attrSet;
1533 unsigned short attrUse;
1536 int *pseqno = &p->seqno;
1537 ZebraHandle zh = p->extractCtrl->handle;
1538 ZebraExplainInfo zei = zh->reg->zei;
1539 struct recKeys *keys = &zh->reg->keys;
1541 if (keys->buf_used+1024 > keys->buf_max)
1545 b = (char *) xmalloc (keys->buf_max += 128000);
1546 if (keys->buf_used > 0)
1547 memcpy (b, keys->buf, keys->buf_used);
1551 dst = keys->buf + keys->buf_used;
1553 attrSet = p->attrSet;
1554 if (keys->buf_used > 0 && keys->prevAttrSet == attrSet)
1557 keys->prevAttrSet = attrSet;
1558 attrUse = p->attrUse;
1559 if (keys->buf_used > 0 && keys->prevAttrUse == attrUse)
1562 keys->prevAttrUse = attrUse;
1564 diff = 1 + *pseqno - keys->prevSeqNo;
1565 if (diff >= 1 && diff <= 15)
1566 lead |= (diff << 2);
1570 keys->prevSeqNo = *pseqno;
1577 int ch = zebraExplain_lookupSU (zei, attrSet, attrUse);
1580 ch = zebraExplain_addSU (zei, attrSet, attrUse);
1581 yaz_log (LOG_DEBUG, "addSU set=%d use=%d SU=%d",
1582 attrSet, attrUse, ch);
1585 memcpy (dst, &ch, sizeof(ch));
1591 memcpy (dst, &attrSet, sizeof(attrSet));
1592 dst += sizeof(attrSet);
1596 memcpy (dst, &attrUse, sizeof(attrUse));
1597 dst += sizeof(attrUse);
1600 *dst++ = p->reg_type;
1601 memcpy (dst, string, length);
1607 memcpy (dst, pseqno, sizeof(*pseqno));
1608 dst += sizeof(*pseqno);
1610 keys->buf_used = dst - keys->buf;
1613 static void extract_add_sort_string (RecWord *p, const char *string,
1616 ZebraHandle zh = p->extractCtrl->handle;
1617 struct sortKeys *sk = &zh->reg->sortKeys;
1620 while (off < sk->buf_used)
1624 off += key_SU_decode(&set, sk->buf + off);
1625 off += key_SU_decode(&use, sk->buf + off);
1626 off += key_SU_decode(&slen, sk->buf + off);
1628 if (p->attrSet == set && p->attrUse == use)
1631 assert (off == sk->buf_used);
1633 if (sk->buf_used + IT_MAX_WORD > sk->buf_max)
1637 b = (char *) xmalloc (sk->buf_max += 128000);
1638 if (sk->buf_used > 0)
1639 memcpy (b, sk->buf, sk->buf_used);
1643 off += key_SU_encode(p->attrSet, sk->buf + off);
1644 off += key_SU_encode(p->attrUse, sk->buf + off);
1645 off += key_SU_encode(length, sk->buf + off);
1646 memcpy (sk->buf + off, string, length);
1647 sk->buf_used = off + length;
1650 void extract_add_string (RecWord *p, const char *string, int length)
1652 assert (length > 0);
1653 if (zebra_maps_is_sort (p->zebra_maps, p->reg_type))
1654 extract_add_sort_string (p, string, length);
1656 extract_add_index_string (p, string, length);
1659 static void extract_add_incomplete_field (RecWord *p)
1661 const char *b = p->string;
1662 int remain = p->length;
1663 const char **map = 0;
1666 map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain);
1670 char buf[IT_MAX_WORD+1];
1674 while (map && *map && **map == *CHR_SPACE)
1676 remain = p->length - (b - p->string);
1678 map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain);
1685 while (map && *map && **map != *CHR_SPACE)
1687 const char *cp = *map;
1689 while (i < IT_MAX_WORD && *cp)
1691 remain = p->length - (b - p->string);
1693 map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain);
1699 extract_add_string (p, buf, i);
1704 static void extract_add_complete_field (RecWord *p)
1706 const char *b = p->string;
1707 char buf[IT_MAX_WORD+1];
1708 const char **map = 0;
1709 int i = 0, remain = p->length;
1712 map = zebra_maps_input (p->zebra_maps, p->reg_type, &b, remain);
1714 while (remain > 0 && i < IT_MAX_WORD)
1716 while (map && *map && **map == *CHR_SPACE)
1718 remain = p->length - (b - p->string);
1720 map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain);
1727 if (i && i < IT_MAX_WORD)
1728 buf[i++] = *CHR_SPACE;
1729 while (map && *map && **map != *CHR_SPACE)
1731 const char *cp = *map;
1733 if (i >= IT_MAX_WORD)
1735 while (i < IT_MAX_WORD && *cp)
1737 remain = p->length - (b - p->string);
1739 map = zebra_maps_input (p->zebra_maps, p->reg_type, &b,
1747 extract_add_string (p, buf, i);
1750 void extract_token_add (RecWord *p)
1755 yaz_log (LOG_LOG, "reg_type=%c attrSet=%d attrUse=%d seqno=%d s=%.*s",
1756 p->reg_type, p->attrSet, p->attrUse, p->seqno, p->length,
1759 if ((wrbuf = zebra_replace(p->zebra_maps, p->reg_type, 0,
1760 p->string, p->length)))
1762 p->string = wrbuf_buf(wrbuf);
1763 p->length = wrbuf_len(wrbuf);
1765 if (zebra_maps_is_complete (p->zebra_maps, p->reg_type))
1766 extract_add_complete_field (p);
1768 extract_add_incomplete_field(p);
1771 void extract_schema_add (struct recExtractCtrl *p, Odr_oid *oid)
1773 ZebraHandle zh = (ZebraHandle) (p->handle);
1774 zebraExplain_addSchema (zh->reg->zei, oid);
1777 void extract_flushSortKeys (ZebraHandle zh, SYSNO sysno,
1778 int cmd, struct sortKeys *sk)
1780 SortIdx sortIdx = zh->reg->sortIdx;
1783 sortIdx_sysno (sortIdx, sysno);
1785 while (off < sk->buf_used)
1789 off += key_SU_decode(&set, sk->buf + off);
1790 off += key_SU_decode(&use, sk->buf + off);
1791 off += key_SU_decode(&slen, sk->buf + off);
1793 sortIdx_type(sortIdx, use);
1795 sortIdx_add(sortIdx, sk->buf + off, slen);
1797 sortIdx_add(sortIdx, "", 1);
1802 void encode_key_init (struct encode_info *i)
1813 char *encode_key_int (int d, char *bp)
1817 else if (d <= 16383)
1819 *bp++ = 64 + (d>>8);
1822 else if (d <= 4194303)
1824 *bp++ = 128 + (d>>16);
1825 *bp++ = (d>>8) & 255;
1830 *bp++ = 192 + (d>>24);
1831 *bp++ = (d>>16) & 255;
1832 *bp++ = (d>>8) & 255;
1840 /* this is the old encode_key_write
1841 * may be deleted once we are confident that the new works
1844 void encode_key_write (char *k, struct encode_info *i, FILE *outf)
1849 while ((*bp++ = *k++))
1851 memcpy (&key, k+1, sizeof(struct it_key));
1852 bp = encode_key_int ( (key.sysno - i->sysno) * 2 + *k, bp);
1853 if (i->sysno != key.sysno)
1855 i->sysno = key.sysno;
1858 else if (!i->seqno && !key.seqno && i->cmd == *k)
1860 bp = encode_key_int (key.seqno - i->seqno, bp);
1861 i->seqno = key.seqno;
1863 if (fwrite (i->buf, bp - i->buf, 1, outf) != 1)
1865 logf (LOG_FATAL|LOG_ERRNO, "fwrite");
1870 void encode_key_flush (struct encode_info *i, FILE *outf)
1871 { /* dummy routine */
1876 /* new encode_key_write
1877 * The idea is to buffer one more key, and compare them
1878 * If we are going to delete and insert the same key,
1879 * we may as well not bother. Should make a difference in
1880 * updates with small modifications (appending to a mbox)
1882 void encode_key_write (char *k, struct encode_info *i, FILE *outf)
1887 if (*k) /* first time for new key */
1890 while ((*bp++ = *k++))
1892 i->keylen= bp - i->buf -1;
1893 assert(i->keylen+1+sizeof(struct it_key) < ENCODE_BUFLEN);
1897 bp=i->buf + i->keylen;
1902 memcpy (&key, k+1, sizeof(struct it_key));
1903 if (0==i->prevsys) /* no previous filter, fill up */
1905 i->prevsys=key.sysno;
1906 i->prevseq=key.seqno;
1909 else if ( (i->prevsys==key.sysno) &&
1910 (i->prevseq==key.seqno) &&
1912 { /* same numbers, diff cmd, they cancel out */
1916 { /* different stuff, write previous, move buf */
1917 bp = encode_key_int ( (i->prevsys - i->sysno) * 2 + i->prevcmd, bp);
1918 if (i->sysno != i->prevsys)
1920 i->sysno = i->prevsys;
1923 else if (!i->seqno && !i->prevseq && i->cmd == i->prevcmd)
1925 return; /* ??? Filters some sort of duplicates away */
1926 /* ??? Can this ever happen -H 15oct02 */
1928 bp = encode_key_int (i->prevseq - i->seqno, bp);
1929 i->seqno = i->prevseq;
1930 i->cmd = i->prevcmd;
1931 if (fwrite (i->buf, bp - i->buf, 1, outf) != 1)
1933 logf (LOG_FATAL|LOG_ERRNO, "fwrite");
1936 i->keylen=0; /* ok, it's written, forget it */
1937 i->prevsys=key.sysno;
1938 i->prevseq=key.seqno;
1943 void encode_key_flush (struct encode_info *i, FILE *outf)
1944 { /* flush the last key from i */
1945 char *bp =i->buf + i->keylen;
1948 return; /* nothing to flush */
1951 bp = encode_key_int ( (i->prevsys - i->sysno) * 2 + i->prevcmd, bp);
1952 if (i->sysno != i->prevsys)
1954 i->sysno = i->prevsys;
1957 else if (!i->seqno && !i->prevseq && i->cmd == i->prevcmd)
1959 return; /* ??? Filters some sort of duplicates away */
1960 /* ??? Can this ever happen -H 15oct02 */
1962 bp = encode_key_int (i->prevseq - i->seqno, bp);
1963 i->seqno = i->prevseq;
1964 i->cmd = i->prevcmd;
1965 if (fwrite (i->buf, bp - i->buf, 1, outf) != 1)
1967 logf (LOG_FATAL|LOG_ERRNO, "fwrite");
1970 i->keylen=0; /* ok, it's written, forget it */
1971 i->prevsys=0; /* forget the values too */