/* $Id: extract.c,v 1.157.2.2 2005/01/16 23:12:10 adam Exp $
Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004
Index Data Aps
This file is part of the Zebra server.
Zebra is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with Zebra; see the file LICENSE.zebra. If not, write to the
Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.
*/
#include <stdio.h>
#include <assert.h>
#include <ctype.h>
#ifdef WIN32
#include <io.h>
#else
#include <unistd.h>
#endif
#include <fcntl.h>
#include "index.h"
#include <direntz.h>
#include <charmap.h>
#if _FILE_OFFSET_BITS == 64
#define PRINTF_OFF_T "%Ld"
#else
#define PRINTF_OFF_T "%ld"
#endif
#define USE_SHELLSORT 0
#if USE_SHELLSORT
static void shellsort(void *ar, int r, size_t s,
int (*cmp)(const void *a, const void *b))
{
char *a = ar;
char v[100];
int h, i, j, k;
static const int incs[16] = { 1391376, 463792, 198768, 86961, 33936,
13776, 4592, 1968, 861, 336,
112, 48, 21, 7, 3, 1 };
for ( k = 0; k < 16; k++)
for (h = incs[k], i = h; i < r; i++)
{
memcpy (v, a+s*i, s);
j = i;
while (j > h && (*cmp)(a + s*(j-h), v) > 0)
{
memcpy (a + s*j, a + s*(j-h), s);
j -= h;
}
memcpy (a+s*j, v, s);
}
}
#endif
static void logRecord (ZebraHandle zh)
{
++zh->records_processed;
if (!(zh->records_processed % 1000))
{
logf (LOG_LOG, "Records: %7d i/u/d %d/%d/%d",
zh->records_processed, zh->records_inserted, zh->records_updated,
zh->records_deleted);
}
}
static void extract_init (struct recExtractCtrl *p, RecWord *w)
{
w->zebra_maps = p->zebra_maps;
w->seqno = 1;
w->attrSet = VAL_BIB1;
w->attrUse = 1016;
w->reg_type = 'w';
w->extractCtrl = p;
}
static const char **searchRecordKey (ZebraHandle zh,
struct recKeys *reckeys,
int attrSetS, int attrUseS)
{
static const char *ws[32];
int off = 0;
int startSeq = -1;
int i;
int seqno = 0;
#if SU_SCHEME
int chS, ch;
#else
short attrUse;
char attrSet;
#endif
for (i = 0; i<32; i++)
ws[i] = NULL;
#if SU_SCHEME
chS = zebraExplain_lookupSU (zh->reg->zei, attrSetS, attrUseS);
if (chS < 0)
return ws;
#endif
while (off < reckeys->buf_used)
{
const char *src = reckeys->buf + off;
const char *wstart;
int lead;
lead = *src++;
#if SU_SCHEME
if ((lead & 3)<3)
{
memcpy (&ch, src, sizeof(ch));
src += sizeof(ch);
}
#else
if (!(lead & 1))
{
memcpy (&attrSet, src, sizeof(attrSet));
src += sizeof(attrSet);
}
if (!(lead & 2))
{
memcpy (&attrUse, src, sizeof(attrUse));
src += sizeof(attrUse);
}
#endif
wstart = src;
while (*src++)
;
if (lead & 60)
seqno += ((lead>>2) & 15)-1;
else
{
memcpy (&seqno, src, sizeof(seqno));
src += sizeof(seqno);
}
if (
#if SU_SCHEME
ch == chS
#else
attrUseS == attrUse && attrSetS == attrSet
#endif
)
{
int woff;
if (startSeq == -1)
startSeq = seqno;
woff = seqno - startSeq;
if (woff >= 0 && woff < 31)
ws[woff] = wstart;
}
off = src - reckeys->buf;
}
assert (off == reckeys->buf_used);
return ws;
}
struct file_read_info {
off_t file_max; /* maximum offset so far */
off_t file_offset; /* current offset */
off_t file_moffset; /* offset of rec/rec boundary */
int file_more;
int fd;
char *sdrbuf;
int sdrmax;
};
static struct file_read_info *file_read_start (int fd)
{
struct file_read_info *fi = (struct file_read_info *)
xmalloc (sizeof(*fi));
fi->fd = fd;
fi->file_max = 0;
fi->file_moffset = 0;
fi->sdrbuf = 0;
fi->sdrmax = 0;
return fi;
}
static void file_read_stop (struct file_read_info *fi)
{
xfree (fi);
}
static off_t file_seek (void *handle, off_t offset)
{
struct file_read_info *p = (struct file_read_info *) handle;
p->file_offset = offset;
if (p->sdrbuf)
return offset;
return lseek (p->fd, offset, SEEK_SET);
}
static off_t file_tell (void *handle)
{
struct file_read_info *p = (struct file_read_info *) handle;
return p->file_offset;
}
static int file_read (void *handle, char *buf, size_t count)
{
struct file_read_info *p = (struct file_read_info *) handle;
int fd = p->fd;
int r;
if (p->sdrbuf)
{
r = count;
if (r > p->sdrmax - p->file_offset)
r = p->sdrmax - p->file_offset;
if (r)
memcpy (buf, p->sdrbuf + p->file_offset, r);
}
else
r = read (fd, buf, count);
if (r > 0)
{
p->file_offset += r;
if (p->file_offset > p->file_max)
p->file_max = p->file_offset;
}
return r;
}
static void file_begin (void *handle)
{
struct file_read_info *p = (struct file_read_info *) handle;
p->file_offset = p->file_moffset;
if (!p->sdrbuf && p->file_moffset)
lseek (p->fd, p->file_moffset, SEEK_SET);
p->file_more = 0;
}
static void file_end (void *handle, off_t offset)
{
struct file_read_info *p = (struct file_read_info *) handle;
assert (p->file_more == 0);
p->file_more = 1;
p->file_moffset = offset;
}
static char *fileMatchStr (ZebraHandle zh,
struct recKeys *reckeys,
const char *fname, const char *spec)
{
static char dstBuf[2048]; /* static here ??? */
char *dst = dstBuf;
const char *s = spec;
static const char **w;
while (1)
{
while (*s == ' ' || *s == '\t')
s++;
if (!*s)
break;
if (*s == '(')
{
char attset_str[64], attname_str[64];
data1_attset *attset;
int i;
char matchFlag[32];
int attSet = 1, attUse = 1;
int first = 1;
s++;
for (i = 0; *s && *s != ',' && *s != ')'; s++)
if (i < 63)
attset_str[i++] = *s;
attset_str[i] = '\0';
if (*s == ',')
{
s++;
for (i = 0; *s && *s != ')'; s++)
if (i < 63)
attname_str[i++] = *s;
attname_str[i] = '\0';
}
if ((attset = data1_get_attset (zh->reg->dh, attset_str)))
{
data1_att *att;
attSet = attset->reference;
att = data1_getattbyname(zh->reg->dh, attset, attname_str);
if (att)
attUse = att->value;
else
attUse = atoi (attname_str);
}
w = searchRecordKey (zh, reckeys, attSet, attUse);
assert (w);
if (*s == ')')
{
for (i = 0; i<32; i++)
matchFlag[i] = 1;
}
else
{
logf (LOG_WARN, "Missing ) in match criteria %s in group %s",
spec, zh->m_group ? zh->m_group : "none");
return NULL;
}
s++;
for (i = 0; i<32; i++)
if (matchFlag[i] && w[i])
{
if (first)
{
*dst++ = ' ';
first = 0;
}
strcpy (dst, w[i]);
dst += strlen(w[i]);
}
if (first)
{
logf (LOG_WARN, "Record didn't contain match"
" fields in (%s,%s)", attset_str, attname_str);
return NULL;
}
}
else if (*s == '$')
{
int spec_len;
char special[64];
const char *spec_src = NULL;
const char *s1 = ++s;
while (*s1 && *s1 != ' ' && *s1 != '\t')
s1++;
spec_len = s1 - s;
if (spec_len > 63)
spec_len = 63;
memcpy (special, s, spec_len);
special[spec_len] = '\0';
s = s1;
if (!strcmp (special, "group"))
spec_src = zh->m_group;
else if (!strcmp (special, "database"))
spec_src = zh->basenames[0];
else if (!strcmp (special, "filename")) {
spec_src = fname;
}
else if (!strcmp (special, "type"))
spec_src = zh->m_record_type;
else
spec_src = NULL;
if (spec_src)
{
strcpy (dst, spec_src);
dst += strlen (spec_src);
}
}
else if (*s == '\"' || *s == '\'')
{
int stopMarker = *s++;
char tmpString[64];
int i = 0;
while (*s && *s != stopMarker)
{
if (i < 63)
tmpString[i++] = *s++;
}
if (*s)
s++;
tmpString[i] = '\0';
strcpy (dst, tmpString);
dst += strlen (tmpString);
}
else
{
logf (LOG_WARN, "Syntax error in match criteria %s in group %s",
spec, zh->m_group ? zh->m_group : "none");
return NULL;
}
*dst++ = 1;
}
if (dst == dstBuf)
{
logf (LOG_WARN, "No match criteria for record %s in group %s",
fname, zh->m_group ? zh->m_group : "none");
return NULL;
}
*dst = '\0';
return dstBuf;
}
struct recordLogInfo {
const char *fname;
int recordOffset;
struct recordGroup *rGroup;
};
static int file_extract_record(ZebraHandle zh,
SYSNO *sysno, const char *fname,
int deleteFlag,
struct file_read_info *fi,
int force_update)
{
RecordAttr *recordAttr;
int r;
const char *matchStr;
SYSNO sysnotmp;
Record rec;
off_t recordOffset = 0;
RecType recType;
void *clientData;
char subType[128];
if (!(recType =
recType_byName (zh->reg->recTypes, zh->m_record_type, subType,
&clientData)))
{
logf (LOG_WARN, "No such record type: %s", zh->m_record_type);
return 0;
}
/* announce database */
if (zebraExplain_curDatabase (zh->reg->zei, zh->basenames[0]))
{
if (zebraExplain_newDatabase (zh->reg->zei, zh->basenames[0],
zh->m_explain_database))
return 0;
}
if (fi->fd != -1)
{
struct recExtractCtrl extractCtrl;
/* we are going to read from a file, so prepare the extraction */
int i;
zh->reg->keys.buf_used = 0;
zh->reg->keys.prevAttrUse = -1;
zh->reg->keys.prevAttrSet = -1;
zh->reg->keys.prevSeqNo = 0;
zh->reg->sortKeys.buf_used = 0;
recordOffset = fi->file_moffset;
extractCtrl.offset = fi->file_moffset;
extractCtrl.readf = file_read;
extractCtrl.seekf = file_seek;
extractCtrl.tellf = file_tell;
extractCtrl.endf = file_end;
extractCtrl.fh = fi;
extractCtrl.subType = subType;
extractCtrl.init = extract_init;
extractCtrl.tokenAdd = extract_token_add;
extractCtrl.schemaAdd = extract_schema_add;
extractCtrl.dh = zh->reg->dh;
extractCtrl.handle = zh;
for (i = 0; i<256; i++)
{
if (zebra_maps_is_positioned(zh->reg->zebra_maps, i))
extractCtrl.seqno[i] = 1;
else
extractCtrl.seqno[i] = 0;
}
extractCtrl.zebra_maps = zh->reg->zebra_maps;
extractCtrl.flagShowRecords = !zh->m_flag_rw;
if (!zh->m_flag_rw)
printf ("File: %s " PRINTF_OFF_T "\n", fname, recordOffset);
if (zh->m_flag_rw)
{
char msg[512];
sprintf (msg, "%s:" PRINTF_OFF_T , fname, recordOffset);
yaz_log_init_prefix2 (msg);
}
r = (*recType->extract)(clientData, &extractCtrl);
yaz_log_init_prefix2 (0);
if (r == RECCTRL_EXTRACT_EOF)
return 0;
else if (r == RECCTRL_EXTRACT_ERROR_GENERIC)
{
/* error occured during extraction ... */
if (zh->m_flag_rw &&
zh->records_processed < zh->m_file_verbose_limit)
{
logf (LOG_WARN, "fail %s %s " PRINTF_OFF_T, zh->m_record_type,
fname, recordOffset);
}
return 0;
}
else if (r == RECCTRL_EXTRACT_ERROR_NO_SUCH_FILTER)
{
/* error occured during extraction ... */
if (zh->m_flag_rw &&
zh->records_processed < zh->m_file_verbose_limit)
{
logf (LOG_WARN, "no filter for %s %s "
PRINTF_OFF_T, zh->m_record_type,
fname, recordOffset);
}
return 0;
}
if (zh->reg->keys.buf_used == 0)
{
/* the extraction process returned no information - the record
is probably empty - unless flagShowRecords is in use */
if (!zh->m_flag_rw)
return 1;
logf (LOG_WARN, "empty %s %s " PRINTF_OFF_T, zh->m_record_type,
fname, recordOffset);
return 1;
}
}
/* perform match if sysno not known and if match criteria is specified */
matchStr = NULL;
if (!sysno)
{
sysnotmp = 0;
sysno = &sysnotmp;
if (zh->m_record_id && *zh->m_record_id)
{
char *rinfo;
matchStr = fileMatchStr (zh, &zh->reg->keys, fname,
zh->m_record_id);
if (matchStr)
{
rinfo = dict_lookup (zh->reg->matchDict, matchStr);
if (rinfo)
memcpy (sysno, rinfo+1, sizeof(*sysno));
}
else
{
logf (LOG_WARN, "Bad match criteria");
return 0;
}
}
}
if (! *sysno)
{
/* new record */
if (deleteFlag)
{
logf (LOG_LOG, "delete %s %s " PRINTF_OFF_T, zh->m_record_type,
fname, recordOffset);
logf (LOG_WARN, "cannot delete record above (seems new)");
return 1;
}
if (zh->records_processed < zh->m_file_verbose_limit)
logf (LOG_LOG, "add %s %s " PRINTF_OFF_T, zh->m_record_type,
fname, recordOffset);
rec = rec_new (zh->reg->records);
*sysno = rec->sysno;
recordAttr = rec_init_attr (zh->reg->zei, rec);
if (matchStr)
{
dict_insert (zh->reg->matchDict, matchStr, sizeof(*sysno), sysno);
}
extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
zh->records_inserted++;
}
else
{
/* record already exists */
struct recKeys delkeys;
struct sortKeys sortKeys;
rec = rec_get (zh->reg->records, *sysno);
assert (rec);
recordAttr = rec_init_attr (zh->reg->zei, rec);
if (!force_update && recordAttr->runNumber ==
zebraExplain_runNumberIncrement (zh->reg->zei, 0))
{
yaz_log (LOG_LOG, "run number = %d", recordAttr->runNumber);
yaz_log (LOG_LOG, "skipped %s %s " PRINTF_OFF_T,
zh->m_record_type, fname, recordOffset);
extract_flushSortKeys (zh, *sysno, -1, &zh->reg->sortKeys);
rec_rm (&rec);
logRecord (zh);
return 1;
}
delkeys.buf_used = rec->size[recInfo_delKeys];
delkeys.buf = rec->info[recInfo_delKeys];
sortKeys.buf_used = rec->size[recInfo_sortKeys];
sortKeys.buf = rec->info[recInfo_sortKeys];
extract_flushSortKeys (zh, *sysno, 0, &sortKeys);
extract_flushRecordKeys (zh, *sysno, 0, &delkeys);
if (deleteFlag)
{
/* record going to be deleted */
if (!delkeys.buf_used)
{
logf (LOG_LOG, "delete %s %s " PRINTF_OFF_T,
zh->m_record_type, fname, recordOffset);
logf (LOG_WARN, "cannot delete file above, storeKeys false");
}
else
{
if (zh->records_processed < zh->m_file_verbose_limit)
logf (LOG_LOG, "delete %s %s " PRINTF_OFF_T,
zh->m_record_type, fname, recordOffset);
zh->records_deleted++;
if (matchStr)
dict_delete (zh->reg->matchDict, matchStr);
rec_del (zh->reg->records, &rec);
}
rec_rm (&rec);
logRecord (zh);
return 1;
}
else
{
/* record going to be updated */
if (!delkeys.buf_used)
{
logf (LOG_LOG, "update %s %s " PRINTF_OFF_T,
zh->m_record_type, fname, recordOffset);
logf (LOG_WARN, "cannot update file above, storeKeys false");
}
else
{
if (zh->records_processed < zh->m_file_verbose_limit)
logf (LOG_LOG, "update %s %s " PRINTF_OFF_T,
zh->m_record_type, fname, recordOffset);
extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
zh->records_updated++;
}
}
}
/* update file type */
xfree (rec->info[recInfo_fileType]);
rec->info[recInfo_fileType] =
rec_strdup (zh->m_record_type, &rec->size[recInfo_fileType]);
/* update filename */
xfree (rec->info[recInfo_filename]);
rec->info[recInfo_filename] =
rec_strdup (fname, &rec->size[recInfo_filename]);
/* update delete keys */
xfree (rec->info[recInfo_delKeys]);
if (zh->reg->keys.buf_used > 0 && zh->m_store_keys == 1)
{
rec->size[recInfo_delKeys] = zh->reg->keys.buf_used;
rec->info[recInfo_delKeys] = zh->reg->keys.buf;
zh->reg->keys.buf = NULL;
zh->reg->keys.buf_max = 0;
}
else
{
rec->info[recInfo_delKeys] = NULL;
rec->size[recInfo_delKeys] = 0;
}
/* update sort keys */
xfree (rec->info[recInfo_sortKeys]);
rec->size[recInfo_sortKeys] = zh->reg->sortKeys.buf_used;
rec->info[recInfo_sortKeys] = zh->reg->sortKeys.buf;
zh->reg->sortKeys.buf = NULL;
zh->reg->sortKeys.buf_max = 0;
/* save file size of original record */
zebraExplain_recordBytesIncrement (zh->reg->zei,
- recordAttr->recordSize);
recordAttr->recordSize = fi->file_moffset - recordOffset;
if (!recordAttr->recordSize)
recordAttr->recordSize = fi->file_max - recordOffset;
zebraExplain_recordBytesIncrement (zh->reg->zei,
recordAttr->recordSize);
/* set run-number for this record */
recordAttr->runNumber = zebraExplain_runNumberIncrement (zh->reg->zei,
0);
/* update store data */
xfree (rec->info[recInfo_storeData]);
if (zh->m_store_data)
{
rec->size[recInfo_storeData] = recordAttr->recordSize;
rec->info[recInfo_storeData] = (char *)
xmalloc (recordAttr->recordSize);
if (lseek (fi->fd, recordOffset, SEEK_SET) < 0)
{
logf (LOG_ERRNO|LOG_FATAL, "seek to " PRINTF_OFF_T " in %s",
recordOffset, fname);
exit (1);
}
if (read (fi->fd, rec->info[recInfo_storeData], recordAttr->recordSize)
< recordAttr->recordSize)
{
logf (LOG_ERRNO|LOG_FATAL, "read %d bytes of %s",
recordAttr->recordSize, fname);
exit (1);
}
}
else
{
rec->info[recInfo_storeData] = NULL;
rec->size[recInfo_storeData] = 0;
}
/* update database name */
xfree (rec->info[recInfo_databaseName]);
rec->info[recInfo_databaseName] =
rec_strdup (zh->basenames[0], &rec->size[recInfo_databaseName]);
/* update offset */
recordAttr->recordOffset = recordOffset;
/* commit this record */
rec_put (zh->reg->records, &rec);
logRecord (zh);
return 1;
}
int fileExtract (ZebraHandle zh, SYSNO *sysno, const char *fname,
int deleteFlag)
{
int r, i, fd;
char gprefix[128];
char ext[128];
char ext_res[128];
struct file_read_info *fi;
const char *original_record_type = 0;
if (!zh->m_group || !*zh->m_group)
*gprefix = '\0';
else
sprintf (gprefix, "%s.", zh->m_group);
logf (LOG_DEBUG, "fileExtract %s", fname);
/* determine file extension */
*ext = '\0';
for (i = strlen(fname); --i >= 0; )
if (fname[i] == '/')
break;
else if (fname[i] == '.')
{
strcpy (ext, fname+i+1);
break;
}
/* determine file type - depending on extension */
original_record_type = zh->m_record_type;
if (!zh->m_record_type)
{
sprintf (ext_res, "%srecordType.%s", gprefix, ext);
zh->m_record_type = res_get (zh->res, ext_res);
}
if (!zh->m_record_type)
{
if (zh->records_processed < zh->m_file_verbose_limit)
logf (LOG_LOG, "? %s", fname);
return 0;
}
/* determine match criteria */
if (!zh->m_record_id)
{
sprintf (ext_res, "%srecordId.%s", gprefix, ext);
zh->m_record_id = res_get (zh->res, ext_res);
}
if (sysno && deleteFlag)
fd = -1;
else
{
char full_rep[1024];
if (zh->path_reg && !yaz_is_abspath (fname))
{
strcpy (full_rep, zh->path_reg);
strcat (full_rep, "/");
strcat (full_rep, fname);
}
else
strcpy (full_rep, fname);
if ((fd = open (full_rep, O_BINARY|O_RDONLY)) == -1)
{
logf (LOG_WARN|LOG_ERRNO, "open %s", full_rep);
zh->m_record_type = original_record_type;
return 0;
}
}
fi = file_read_start (fd);
do
{
file_begin (fi);
r = file_extract_record (zh, sysno, fname, deleteFlag, fi, 1);
} while (r && !sysno && fi->file_more);
file_read_stop (fi);
if (fd != -1)
close (fd);
zh->m_record_type = original_record_type;
return r;
}
/*
If sysno is provided, then it's used to identify the reocord.
If not, and match_criteria is provided, then sysno is guessed
If not, and a record is provided, then sysno is got from there
*/
int buffer_extract_record (ZebraHandle zh,
const char *buf, size_t buf_size,
int delete_flag,
int test_mode,
const char *recordType,
int *sysno,
const char *match_criteria,
const char *fname,
int force_update,
int allow_update)
{
RecordAttr *recordAttr;
struct recExtractCtrl extractCtrl;
int i, r;
const char *matchStr = 0;
RecType recType = NULL;
char subType[1024];
void *clientData;
Record rec;
long recordOffset = 0;
struct zebra_fetch_control fc;
const char *pr_fname = fname; /* filename to print .. */
if (!pr_fname)
pr_fname = "<no file>"; /* make it printable if file is omitted */
fc.fd = -1;
fc.record_int_buf = buf;
fc.record_int_len = buf_size;
fc.record_int_pos = 0;
fc.offset_end = 0;
fc.record_offset = 0;
extractCtrl.offset = 0;
extractCtrl.readf = zebra_record_int_read;
extractCtrl.seekf = zebra_record_int_seek;
extractCtrl.tellf = zebra_record_int_tell;
extractCtrl.endf = zebra_record_int_end;
extractCtrl.fh = &fc;
zh->reg->keys.buf_used = 0;
zh->reg->keys.prevAttrUse = -1;
zh->reg->keys.prevAttrSet = -1;
zh->reg->keys.prevSeqNo = 0;
zh->reg->sortKeys.buf_used = 0;
if (zebraExplain_curDatabase (zh->reg->zei, zh->basenames[0]))
{
if (zebraExplain_newDatabase (zh->reg->zei, zh->basenames[0],
zh->m_explain_database))
return 0;
}
if (recordType && *recordType) {
logf (LOG_DEBUG, "Record type explicitly specified: %s", recordType);
recType = recType_byName (zh->reg->recTypes, recordType, subType,
&clientData);
} else {
if (!(zh->m_record_type)) {
logf (LOG_WARN, "No such record type defined");
return 0;
}
logf (LOG_DEBUG, "Get record type from rgroup: %s",zh->m_record_type);
recType = recType_byName (zh->reg->recTypes, zh->m_record_type, subType,
&clientData);
recordType = zh->m_record_type;
}
if (!recType) {
logf (LOG_WARN, "No such record type: %s", zh->m_record_type);
return 0;
}
extractCtrl.subType = subType;
extractCtrl.init = extract_init;
extractCtrl.tokenAdd = extract_token_add;
extractCtrl.schemaAdd = extract_schema_add;
extractCtrl.dh = zh->reg->dh;
extractCtrl.handle = zh;
extractCtrl.zebra_maps = zh->reg->zebra_maps;
extractCtrl.flagShowRecords = 0;
for (i = 0; i<256; i++)
{
if (zebra_maps_is_positioned(zh->reg->zebra_maps, i))
extractCtrl.seqno[i] = 1;
else
extractCtrl.seqno[i] = 0;
}
r = (*recType->extract)(clientData, &extractCtrl);
if (r == RECCTRL_EXTRACT_EOF)
return 0;
else if (r == RECCTRL_EXTRACT_ERROR_GENERIC)
{
/* error occured during extraction ... */
yaz_log (LOG_WARN, "extract error: generic");
return 0;
}
else if (r == RECCTRL_EXTRACT_ERROR_NO_SUCH_FILTER)
{
/* error occured during extraction ... */
yaz_log (LOG_WARN, "extract error: no such filter");
return 0;
}
if (zh->reg->keys.buf_used == 0)
{
/* the extraction process returned no information - the record
is probably empty - unless flagShowRecords is in use */
if (test_mode)
return 1;
logf (LOG_WARN, "No keys generated for record");
logf (LOG_WARN, " The file is probably empty");
return 1;
}
/* match criteria */
matchStr = NULL;
if (! *sysno) {
char *rinfo;
if (match_criteria && *match_criteria) {
matchStr = match_criteria;
} else {
if (zh->m_record_id && *zh->m_record_id) {
matchStr = fileMatchStr (zh, &zh->reg->keys, pr_fname,
zh->m_record_id);
if (!matchStr)
{
logf (LOG_WARN, "Bad match criteria (recordID)");
return 1;
}
}
}
if (matchStr) {
rinfo = dict_lookup (zh->reg->matchDict, matchStr);
if (rinfo)
memcpy (sysno, rinfo+1, sizeof(*sysno));
}
}
if (! *sysno)
{
/* new record */
if (delete_flag)
{
logf (LOG_LOG, "delete %s %s %ld", recordType,
pr_fname, (long) recordOffset);
logf (LOG_WARN, "cannot delete record above (seems new)");
return 1;
}
logf (LOG_LOG, "add %s %s %ld", recordType, pr_fname,
(long) recordOffset);
rec = rec_new (zh->reg->records);
*sysno = rec->sysno;
recordAttr = rec_init_attr (zh->reg->zei, rec);
if (matchStr)
{
dict_insert (zh->reg->matchDict, matchStr,
sizeof(*sysno), sysno);
}
extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
zh->records_inserted++;
}
else
{
/* record already exists */
struct recKeys delkeys;
struct sortKeys sortKeys;
if (!allow_update) {
logf (LOG_LOG, "skipped %s %s %ld",
recordType, pr_fname, (long) recordOffset);
logRecord(zh);
return -1;
}
rec = rec_get (zh->reg->records, *sysno);
assert (rec);
recordAttr = rec_init_attr (zh->reg->zei, rec);
if (!force_update) {
if (recordAttr->runNumber ==
zebraExplain_runNumberIncrement (zh->reg->zei, 0))
{
logf (LOG_LOG, "skipped %s %s %ld", recordType,
pr_fname, (long) recordOffset);
extract_flushSortKeys (zh, *sysno, -1, &zh->reg->sortKeys);
rec_rm (&rec);
logRecord(zh);
return -1;
}
}
delkeys.buf_used = rec->size[recInfo_delKeys];
delkeys.buf = rec->info[recInfo_delKeys];
sortKeys.buf_used = rec->size[recInfo_sortKeys];
sortKeys.buf = rec->info[recInfo_sortKeys];
extract_flushSortKeys (zh, *sysno, 0, &sortKeys);
extract_flushRecordKeys (zh, *sysno, 0, &delkeys);
if (delete_flag)
{
/* record going to be deleted */
if (!delkeys.buf_used)
{
logf (LOG_LOG, "delete %s %s %ld", recordType,
pr_fname, (long) recordOffset);
logf (LOG_WARN, "cannot delete file above, storeKeys false");
}
else
{
logf (LOG_LOG, "delete %s %s %ld", recordType,
pr_fname, (long) recordOffset);
zh->records_deleted++;
if (matchStr)
dict_delete (zh->reg->matchDict, matchStr);
rec_del (zh->reg->records, &rec);
}
rec_rm (&rec);
logRecord(zh);
return 0;
}
else
{
/* record going to be updated */
if (!delkeys.buf_used)
{
logf (LOG_LOG, "update %s %s %ld", recordType,
pr_fname, (long) recordOffset);
logf (LOG_WARN, "cannot update file above, storeKeys false");
}
else
{
logf (LOG_LOG, "update %s %s %ld", recordType,
pr_fname, (long) recordOffset);
extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
zh->records_updated++;
}
}
}
/* update file type */
xfree (rec->info[recInfo_fileType]);
rec->info[recInfo_fileType] =
rec_strdup (recordType, &rec->size[recInfo_fileType]);
/* update filename */
xfree (rec->info[recInfo_filename]);
rec->info[recInfo_filename] =
rec_strdup (fname, &rec->size[recInfo_filename]);
/* update delete keys */
xfree (rec->info[recInfo_delKeys]);
if (zh->reg->keys.buf_used > 0 && zh->m_store_keys == 1)
{
rec->size[recInfo_delKeys] = zh->reg->keys.buf_used;
rec->info[recInfo_delKeys] = zh->reg->keys.buf;
zh->reg->keys.buf = NULL;
zh->reg->keys.buf_max = 0;
}
else
{
rec->info[recInfo_delKeys] = NULL;
rec->size[recInfo_delKeys] = 0;
}
/* update sort keys */
xfree (rec->info[recInfo_sortKeys]);
rec->size[recInfo_sortKeys] = zh->reg->sortKeys.buf_used;
rec->info[recInfo_sortKeys] = zh->reg->sortKeys.buf;
zh->reg->sortKeys.buf = NULL;
zh->reg->sortKeys.buf_max = 0;
/* save file size of original record */
zebraExplain_recordBytesIncrement (zh->reg->zei,
- recordAttr->recordSize);
#if 0
recordAttr->recordSize = fi->file_moffset - recordOffset;
if (!recordAttr->recordSize)
recordAttr->recordSize = fi->file_max - recordOffset;
#else
recordAttr->recordSize = buf_size;
#endif
zebraExplain_recordBytesIncrement (zh->reg->zei,
recordAttr->recordSize);
/* set run-number for this record */
recordAttr->runNumber =
zebraExplain_runNumberIncrement (zh->reg->zei, 0);
/* update store data */
xfree (rec->info[recInfo_storeData]);
if (zh->m_store_data)
{
rec->size[recInfo_storeData] = recordAttr->recordSize;
rec->info[recInfo_storeData] = (char *)
xmalloc (recordAttr->recordSize);
memcpy (rec->info[recInfo_storeData], buf, recordAttr->recordSize);
}
else
{
rec->info[recInfo_storeData] = NULL;
rec->size[recInfo_storeData] = 0;
}
/* update database name */
xfree (rec->info[recInfo_databaseName]);
rec->info[recInfo_databaseName] =
rec_strdup (zh->basenames[0], &rec->size[recInfo_databaseName]);
/* update offset */
recordAttr->recordOffset = recordOffset;
/* commit this record */
rec_put (zh->reg->records, &rec);
logRecord(zh);
return 0;
}
int explain_extract (void *handle, Record rec, data1_node *n)
{
ZebraHandle zh = (ZebraHandle) handle;
struct recExtractCtrl extractCtrl;
int i;
if (zebraExplain_curDatabase (zh->reg->zei,
rec->info[recInfo_databaseName]))
{
abort();
if (zebraExplain_newDatabase (zh->reg->zei,
rec->info[recInfo_databaseName], 0))
abort ();
}
zh->reg->keys.buf_used = 0;
zh->reg->keys.prevAttrUse = -1;
zh->reg->keys.prevAttrSet = -1;
zh->reg->keys.prevSeqNo = 0;
zh->reg->sortKeys.buf_used = 0;
extractCtrl.init = extract_init;
extractCtrl.tokenAdd = extract_token_add;
extractCtrl.schemaAdd = extract_schema_add;
extractCtrl.dh = zh->reg->dh;
for (i = 0; i<256; i++)
extractCtrl.seqno[i] = 0;
extractCtrl.zebra_maps = zh->reg->zebra_maps;
extractCtrl.flagShowRecords = 0;
extractCtrl.handle = handle;
if (n)
grs_extract_tree(&extractCtrl, n);
if (rec->size[recInfo_delKeys])
{
struct recKeys delkeys;
struct sortKeys sortkeys;
delkeys.buf_used = rec->size[recInfo_delKeys];
delkeys.buf = rec->info[recInfo_delKeys];
sortkeys.buf_used = rec->size[recInfo_sortKeys];
sortkeys.buf = rec->info[recInfo_sortKeys];
extract_flushSortKeys (zh, rec->sysno, 0, &sortkeys);
extract_flushRecordKeys (zh, rec->sysno, 0, &delkeys);
}
extract_flushRecordKeys (zh, rec->sysno, 1, &zh->reg->keys);
extract_flushSortKeys (zh, rec->sysno, 1, &zh->reg->sortKeys);
xfree (rec->info[recInfo_delKeys]);
rec->size[recInfo_delKeys] = zh->reg->keys.buf_used;
rec->info[recInfo_delKeys] = zh->reg->keys.buf;
zh->reg->keys.buf = NULL;
zh->reg->keys.buf_max = 0;
xfree (rec->info[recInfo_sortKeys]);
rec->size[recInfo_sortKeys] = zh->reg->sortKeys.buf_used;
rec->info[recInfo_sortKeys] = zh->reg->sortKeys.buf;
zh->reg->sortKeys.buf = NULL;
zh->reg->sortKeys.buf_max = 0;
return 0;
}
void extract_flushRecordKeys (ZebraHandle zh, SYSNO sysno,
int cmd, struct recKeys *reckeys)
{
#if SU_SCHEME
#else
unsigned char attrSet = (unsigned char) -1;
unsigned short attrUse = (unsigned short) -1;
#endif
int seqno = 0;
int off = 0;
int ch = 0;
ZebraExplainInfo zei = zh->reg->zei;
if (!zh->reg->key_buf)
{
int mem= 1024*1024* atoi( res_get_def( zh->res, "memmax", "8"));
if (mem <= 0)
{
logf(LOG_WARN, "Invalid memory setting, using default 8 MB");
mem= 1024*1024*8;
}
/* FIXME: That "8" should be in a default settings include */
/* not hard-coded here! -H */
zh->reg->key_buf = (char**) xmalloc (mem);
zh->reg->ptr_top = mem/sizeof(char*);
zh->reg->ptr_i = 0;
zh->reg->key_buf_used = 0;
zh->reg->key_file_no = 0;
}
zebraExplain_recordCountIncrement (zei, cmd ? 1 : -1);
while (off < reckeys->buf_used)
{
const char *src = reckeys->buf + off;
struct it_key key;
int lead;
lead = *src++;
#if SU_SCHEME
if ((lead & 3) < 3)
{
memcpy (&ch, src, sizeof(ch));
src += sizeof(ch);
}
#else
if (!(lead & 1))
{
memcpy (&attrSet, src, sizeof(attrSet));
src += sizeof(attrSet);
}
if (!(lead & 2))
{
memcpy (&attrUse, src, sizeof(attrUse));
src += sizeof(attrUse);
}
#endif
if (zh->reg->key_buf_used + 1024 >
(zh->reg->ptr_top -zh->reg->ptr_i)*sizeof(char*))
extract_flushWriteKeys (zh,0);
assert(zh->reg->ptr_i >= 0);
++(zh->reg->ptr_i);
assert(zh->reg->ptr_i > 0);
(zh->reg->key_buf)[zh->reg->ptr_top - zh->reg->ptr_i] =
(char*)zh->reg->key_buf + zh->reg->key_buf_used;
#if SU_SCHEME
#else
ch = zebraExplain_lookupSU (zei, attrSet, attrUse);
if (ch < 0)
ch = zebraExplain_addSU (zei, attrSet, attrUse);
#endif
assert (ch > 0);
zh->reg->key_buf_used +=
key_SU_encode (ch,((char*)zh->reg->key_buf) +
zh->reg->key_buf_used);
while (*src)
((char*)zh->reg->key_buf) [(zh->reg->key_buf_used)++] = *src++;
src++;
((char*)(zh->reg->key_buf))[(zh->reg->key_buf_used)++] = '\0';
((char*)(zh->reg->key_buf))[(zh->reg->key_buf_used)++] = cmd;
if (lead & 60)
seqno += ((lead>>2) & 15)-1;
else
{
memcpy (&seqno, src, sizeof(seqno));
src += sizeof(seqno);
}
key.seqno = seqno;
key.sysno = sysno;
memcpy ((char*)zh->reg->key_buf + zh->reg->key_buf_used, &key, sizeof(key));
(zh->reg->key_buf_used) += sizeof(key);
off = src - reckeys->buf;
}
assert (off == reckeys->buf_used);
}
void extract_flushWriteKeys (ZebraHandle zh, int final)
/* optimizing: if final=1, and no files written yet */
/* push the keys directly to merge, sidestepping the */
/* temp file altogether. Speeds small updates */
{
FILE *outf;
char out_fname[200];
char *prevcp, *cp;
struct encode_info encode_info;
int ptr_i = zh->reg->ptr_i;
int temp_policy;
#if SORT_EXTRA
int i;
#endif
if (!zh->reg->key_buf || ptr_i <= 0)
{
logf (LOG_DEBUG, " nothing to flush section=%d buf=%p i=%d",
zh->reg->key_file_no, zh->reg->key_buf, ptr_i);
logf (LOG_DEBUG, " buf=%p ",
zh->reg->key_buf);
logf (LOG_DEBUG, " ptr=%d ",zh->reg->ptr_i);
logf (LOG_DEBUG, " reg=%p ",zh->reg);
return;
}
(zh->reg->key_file_no)++;
logf (LOG_LOG, "sorting section %d", (zh->reg->key_file_no));
logf (LOG_DEBUG, " sort_buff at %p n=%d",
zh->reg->key_buf + zh->reg->ptr_top - ptr_i,ptr_i);
#if !SORT_EXTRA
qsort (zh->reg->key_buf + zh->reg->ptr_top - ptr_i, ptr_i,
sizeof(char*), key_qsort_compare);
/* zebra.cfg: tempfiles:
Y: always use temp files (old way)
A: use temp files, if more than one (auto)
= if this is both the last and the first
N: never bother with temp files (new) */
temp_policy=toupper(res_get_def(zh->res,"tempfiles","auto")[0]);
if (temp_policy != 'Y' && temp_policy != 'N' && temp_policy != 'A') {
logf (LOG_WARN, "Illegal tempfiles setting '%c'. using 'Auto' ",
temp_policy);
temp_policy='A';
}
if ( ( temp_policy =='N' ) || /* always from memory */
( ( temp_policy =='A' ) && /* automatic */
(zh->reg->key_file_no == 1) && /* this is first time */
(final) ) ) /* and last (=only) time */
{ /* go directly from memory */
zh->reg->key_file_no =0; /* signal not to read files */
zebra_index_merge(zh);
zh->reg->ptr_i = 0;
zh->reg->key_buf_used = 0;
return;
}
/* Not doing directly from memory, write into a temp file */
extract_get_fname_tmp (zh, out_fname, zh->reg->key_file_no);
if (!(outf = fopen (out_fname, "wb")))
{
logf (LOG_FATAL|LOG_ERRNO, "fopen %s", out_fname);
exit (1);
}
logf (LOG_LOG, "writing section %d", zh->reg->key_file_no);
prevcp = cp = (zh->reg->key_buf)[zh->reg->ptr_top - ptr_i];
encode_key_init (&encode_info);
encode_key_write (cp, &encode_info, outf);
while (--ptr_i > 0)
{
cp = (zh->reg->key_buf)[zh->reg->ptr_top - ptr_i];
if (strcmp (cp, prevcp))
{
encode_key_flush ( &encode_info, outf);
encode_key_init (&encode_info);
encode_key_write (cp, &encode_info, outf);
prevcp = cp;
}
else
encode_key_write (cp + strlen(cp), &encode_info, outf);
}
encode_key_flush ( &encode_info, outf);
#else
qsort (key_buf + ptr_top-ptr_i, ptr_i, sizeof(char*), key_x_compare);
extract_get_fname_tmp (out_fname, key_file_no);
if (!(outf = fopen (out_fname, "wb")))
{
logf (LOG_FATAL|LOG_ERRNO, "fopen %s", out_fname);
exit (1);
}
logf (LOG_LOG, "writing section %d", key_file_no);
i = ptr_i;
prevcp = key_buf[ptr_top-i];
while (1)
if (!--i || strcmp (prevcp, key_buf[ptr_top-i]))
{
key_y_len = strlen(prevcp)+1;
#if 0
logf (LOG_LOG, "key_y_len: %2d %02x %02x %s",
key_y_len, prevcp[0], prevcp[1], 2+prevcp);
#endif
qsort (key_buf + ptr_top-ptr_i, ptr_i - i,
sizeof(char*), key_y_compare);
cp = key_buf[ptr_top-ptr_i];
--key_y_len;
encode_key_init (&encode_info);
encode_key_write (cp, &encode_info, outf);
while (--ptr_i > i)
{
cp = key_buf[ptr_top-ptr_i];
encode_key_write (cp+key_y_len, &encode_info, outf);
}
encode_key_flush ( &encode_info, outf);
if (!i)
break;
prevcp = key_buf[ptr_top-ptr_i];
}
#endif
if (fclose (outf))
{
logf (LOG_FATAL|LOG_ERRNO, "fclose %s", out_fname);
exit (1);
}
logf (LOG_LOG, "finished section %d", zh->reg->key_file_no);
zh->reg->ptr_i = 0;
zh->reg->key_buf_used = 0;
}
void extract_add_index_string (RecWord *p, const char *string,
int length)
{
char *dst;
unsigned char attrSet;
unsigned short attrUse;
int lead = 0;
int diff = 0;
int *pseqno = &p->seqno;
ZebraHandle zh = p->extractCtrl->handle;
ZebraExplainInfo zei = zh->reg->zei;
struct recKeys *keys = &zh->reg->keys;
if (keys->buf_used+1024 > keys->buf_max)
{
char *b;
b = (char *) xmalloc (keys->buf_max += 128000);
if (keys->buf_used > 0)
memcpy (b, keys->buf, keys->buf_used);
xfree (keys->buf);
keys->buf = b;
}
dst = keys->buf + keys->buf_used;
/* leader byte is encoded as follows:
bit 0 : 1 if attrset is unchanged; 0 if attrset is changed
bit 1 : 1 if attruse is unchanged; 0 if attruse is changed
*/
attrSet = p->attrSet;
if (keys->buf_used > 0 && keys->prevAttrSet == attrSet)
lead |= 1;
else
keys->prevAttrSet = attrSet;
attrUse = p->attrUse;
if (keys->buf_used > 0 && keys->prevAttrUse == attrUse)
lead |= 2;
else
keys->prevAttrUse = attrUse;
#if 1
diff = 1 + *pseqno - keys->prevSeqNo;
if (diff >= 1 && diff <= 15)
lead |= (diff << 2);
else
diff = 0;
#endif
keys->prevSeqNo = *pseqno;
*dst++ = lead;
#if SU_SCHEME
if ((lead & 3) < 3)
{
int ch = zebraExplain_lookupSU (zei, attrSet, attrUse);
if (ch < 0)
{
ch = zebraExplain_addSU (zei, attrSet, attrUse);
yaz_log (LOG_DEBUG, "addSU set=%d use=%d SU=%d",
attrSet, attrUse, ch);
}
assert (ch > 0);
memcpy (dst, &ch, sizeof(ch));
dst += sizeof(ch);
}
#else
if (!(lead & 1))
{
memcpy (dst, &attrSet, sizeof(attrSet));
dst += sizeof(attrSet);
}
if (!(lead & 2))
{
memcpy (dst, &attrUse, sizeof(attrUse));
dst += sizeof(attrUse);
}
#endif
*dst++ = p->reg_type;
memcpy (dst, string, length);
dst += length;
*dst++ = '\0';
if (!diff)
{
memcpy (dst, pseqno, sizeof(*pseqno));
dst += sizeof(*pseqno);
}
keys->buf_used = dst - keys->buf;
}
static void extract_add_sort_string (RecWord *p, const char *string,
int length)
{
ZebraHandle zh = p->extractCtrl->handle;
struct sortKeys *sk = &zh->reg->sortKeys;
int off = 0;
while (off < sk->buf_used)
{
int set, use, slen;
off += key_SU_decode(&set, sk->buf + off);
off += key_SU_decode(&use, sk->buf + off);
off += key_SU_decode(&slen, sk->buf + off);
off += slen;
if (p->attrSet == set && p->attrUse == use)
return;
}
assert (off == sk->buf_used);
if (sk->buf_used + IT_MAX_WORD > sk->buf_max)
{
char *b;
b = (char *) xmalloc (sk->buf_max += 128000);
if (sk->buf_used > 0)
memcpy (b, sk->buf, sk->buf_used);
xfree (sk->buf);
sk->buf = b;
}
off += key_SU_encode(p->attrSet, sk->buf + off);
off += key_SU_encode(p->attrUse, sk->buf + off);
off += key_SU_encode(length, sk->buf + off);
memcpy (sk->buf + off, string, length);
sk->buf_used = off + length;
}
void extract_add_string (RecWord *p, const char *string, int length)
{
assert (length > 0);
if (zebra_maps_is_sort (p->zebra_maps, p->reg_type))
extract_add_sort_string (p, string, length);
else
extract_add_index_string (p, string, length);
}
static void extract_add_incomplete_field (RecWord *p)
{
const char *b = p->string;
int remain = p->length;
const char **map = 0;
if (remain > 0)
map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain, 0);
while (map)
{
char buf[IT_MAX_WORD+1];
int i, remain;
/* Skip spaces */
while (map && *map && **map == *CHR_SPACE)
{
remain = p->length - (b - p->string);
if (remain > 0)
map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain, 0);
else
map = 0;
}
if (!map)
break;
i = 0;
while (map && *map && **map != *CHR_SPACE)
{
const char *cp = *map;
while (i < IT_MAX_WORD && *cp)
buf[i++] = *(cp++);
remain = p->length - (b - p->string);
if (remain > 0)
map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain, 0);
else
map = 0;
}
if (!i)
return;
extract_add_string (p, buf, i);
p->seqno++;
}
}
static void extract_add_complete_field (RecWord *p)
{
const char *b = p->string;
char buf[IT_MAX_WORD+1];
const char **map = 0;
int i = 0, remain = p->length;
int first; /* first position */
if (remain > 0)
map = zebra_maps_input (p->zebra_maps, p->reg_type, &b, remain, 1);
while (remain > 0 && i < IT_MAX_WORD)
{
while (map && *map && **map == *CHR_SPACE)
{
remain = p->length - (b - p->string);
if (remain > 0)
{
first = i ? 0 : 1;
map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain, first);
}
else
map = 0;
}
if (!map)
break;
if (i && i < IT_MAX_WORD)
buf[i++] = *CHR_SPACE;
while (map && *map && **map != *CHR_SPACE)
{
const char *cp = *map;
if (**map == *CHR_CUT)
{
i = 0;
}
else
{
if (i >= IT_MAX_WORD)
break;
while (i < IT_MAX_WORD && *cp)
buf[i++] = *(cp++);
}
remain = p->length - (b - p->string);
if (remain > 0)
{
map = zebra_maps_input (p->zebra_maps, p->reg_type, &b,
remain, 0);
}
else
map = 0;
}
}
if (!i)
return;
extract_add_string (p, buf, i);
}
void extract_token_add (RecWord *p)
{
WRBUF wrbuf;
#if 0
yaz_log (LOG_LOG, "token_add "
"reg_type=%c attrSet=%d attrUse=%d seqno=%d s=%.*s",
p->reg_type, p->attrSet, p->attrUse, p->seqno, p->length,
p->string);
#endif
if ((wrbuf = zebra_replace(p->zebra_maps, p->reg_type, 0,
p->string, p->length)))
{
p->string = wrbuf_buf(wrbuf);
p->length = wrbuf_len(wrbuf);
}
if (zebra_maps_is_complete (p->zebra_maps, p->reg_type))
extract_add_complete_field (p);
else
extract_add_incomplete_field(p);
}
void extract_schema_add (struct recExtractCtrl *p, Odr_oid *oid)
{
ZebraHandle zh = (ZebraHandle) (p->handle);
zebraExplain_addSchema (zh->reg->zei, oid);
}
void extract_flushSortKeys (ZebraHandle zh, SYSNO sysno,
int cmd, struct sortKeys *sk)
{
SortIdx sortIdx = zh->reg->sortIdx;
int off = 0;
sortIdx_sysno (sortIdx, sysno);
while (off < sk->buf_used)
{
int set, use, slen;
off += key_SU_decode(&set, sk->buf + off);
off += key_SU_decode(&use, sk->buf + off);
off += key_SU_decode(&slen, sk->buf + off);
sortIdx_type(sortIdx, use);
if (cmd == 1)
sortIdx_add(sortIdx, sk->buf + off, slen);
else
sortIdx_add(sortIdx, "", 1);
off += slen;
}
}
void encode_key_init (struct encode_info *i)
{
i->sysno = 0;
i->seqno = 0;
i->cmd = -1;
i->prevsys=0;
i->prevseq=0;
i->prevcmd=-1;
i->keylen=0;
}
char *encode_key_int (int d, char *bp)
{
if (d <= 63)
*bp++ = d;
else if (d <= 16383)
{
*bp++ = 64 + (d>>8);
*bp++ = d & 255;
}
else if (d <= 4194303)
{
*bp++ = 128 + (d>>16);
*bp++ = (d>>8) & 255;
*bp++ = d & 255;
}
else
{
*bp++ = 192 + (d>>24);
*bp++ = (d>>16) & 255;
*bp++ = (d>>8) & 255;
*bp++ = d & 255;
}
return bp;
}
#define OLDENCODE 1
#ifdef OLDENCODE
/* this is the old encode_key_write
* may be deleted once we are confident that the new works
* HL 15-oct-2002
*/
void encode_key_write (char *k, struct encode_info *i, FILE *outf)
{
struct it_key key;
char *bp = i->buf;
while ((*bp++ = *k++))
;
memcpy (&key, k+1, sizeof(struct it_key));
bp = encode_key_int ( (key.sysno - i->sysno) * 2 + *k, bp);
if (i->sysno != key.sysno)
{
i->sysno = key.sysno;
i->seqno = 0;
}
else if (!i->seqno && !key.seqno && i->cmd == *k)
return;
bp = encode_key_int (key.seqno - i->seqno, bp);
i->seqno = key.seqno;
i->cmd = *k;
if (fwrite (i->buf, bp - i->buf, 1, outf) != 1)
{
logf (LOG_FATAL|LOG_ERRNO, "fwrite");
exit (1);
}
}
void encode_key_flush (struct encode_info *i, FILE *outf)
{ /* dummy routine */
}
#else
/* new encode_key_write
* The idea is to buffer one more key, and compare them
* If we are going to delete and insert the same key,
* we may as well not bother. Should make a difference in
* updates with small modifications (appending to a mbox)
*/
void encode_key_write (char *k, struct encode_info *i, FILE *outf)
{
struct it_key key;
char *bp;
if (*k) /* first time for new key */
{
bp = i->buf;
while ((*bp++ = *k++))
;
i->keylen= bp - i->buf -1;
assert(i->keylen+1+sizeof(struct it_key) < ENCODE_BUFLEN);
}
else
{
bp=i->buf + i->keylen;
*bp++=0;
k++;
}
memcpy (&key, k+1, sizeof(struct it_key));
if (0==i->prevsys) /* no previous filter, fill up */
{
i->prevsys=key.sysno;
i->prevseq=key.seqno;
i->prevcmd=*k;
}
else if ( (i->prevsys==key.sysno) &&
(i->prevseq==key.seqno) &&
(i->prevcmd!=*k) )
{ /* same numbers, diff cmd, they cancel out */
i->prevsys=0;
}
else
{ /* different stuff, write previous, move buf */
bp = encode_key_int ( (i->prevsys - i->sysno) * 2 + i->prevcmd, bp);
if (i->sysno != i->prevsys)
{
i->sysno = i->prevsys;
i->seqno = 0;
}
else if (!i->seqno && !i->prevseq && i->cmd == i->prevcmd)
{
return; /* ??? Filters some sort of duplicates away */
/* ??? Can this ever happen -H 15oct02 */
}
bp = encode_key_int (i->prevseq - i->seqno, bp);
i->seqno = i->prevseq;
i->cmd = i->prevcmd;
if (fwrite (i->buf, bp - i->buf, 1, outf) != 1)
{
logf (LOG_FATAL|LOG_ERRNO, "fwrite");
exit (1);
}
i->keylen=0; /* ok, it's written, forget it */
i->prevsys=key.sysno;
i->prevseq=key.seqno;
i->prevcmd=*k;
}
}
void encode_key_flush (struct encode_info *i, FILE *outf)
{ /* flush the last key from i */
char *bp =i->buf + i->keylen;
if (0==i->prevsys)
{
return; /* nothing to flush */
}
*bp++=0;
bp = encode_key_int ( (i->prevsys - i->sysno) * 2 + i->prevcmd, bp);
if (i->sysno != i->prevsys)
{
i->sysno = i->prevsys;
i->seqno = 0;
}
else if (!i->seqno && !i->prevseq && i->cmd == i->prevcmd)
{
return; /* ??? Filters some sort of duplicates away */
/* ??? Can this ever happen -H 15oct02 */
}
bp = encode_key_int (i->prevseq - i->seqno, bp);
i->seqno = i->prevseq;
i->cmd = i->prevcmd;
if (fwrite (i->buf, bp - i->buf, 1, outf) != 1)
{
logf (LOG_FATAL|LOG_ERRNO, "fwrite");
exit (1);
}
i->keylen=0; /* ok, it's written, forget it */
i->prevsys=0; /* forget the values too */
i->prevseq=0;
}
#endif
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