X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Fextract.c;h=ca0dc464883fc9b7300ced86ac6caaf4400ed828;hb=3c37091eb3e508bff58b297eaa0feab5e92ff53b;hp=738a057b6744a83d5a80707988e13d0e8507007f;hpb=b0507b858a53d4fccea867fadb060ba1ef8ecace;p=idzebra-moved-to-github.git diff --git a/index/extract.c b/index/extract.c index 738a057..9d2742c 100644 --- a/index/extract.c +++ b/index/extract.c @@ -1,266 +1,2118 @@ -/* - * Copyright (C) 1994-1995, Index Data I/S - * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss - * - * $Log: extract.c,v $ - * Revision 1.14 1995-10-02 15:29:13 adam - * More logging in file_extract. - * - * Revision 1.13 1995/09/29 14:01:39 adam - * Bug fixes. - * - * Revision 1.12 1995/09/28 14:22:56 adam - * Sort uses smaller temporary files. - * - * Revision 1.11 1995/09/28 12:10:31 adam - * Bug fixes. Field prefix used in queries. - * - * Revision 1.10 1995/09/28 09:19:41 adam - * xfree/xmalloc used everywhere. - * Extract/retrieve method seems to work for text records. - * - * Revision 1.9 1995/09/27 12:22:28 adam - * More work on extract in record control. - * Field name is not in isam keys but in prefix in dictionary words. - * - * Revision 1.8 1995/09/14 07:48:22 adam - * Record control management. - * - * Revision 1.7 1995/09/11 13:09:32 adam - * More work on relevance feedback. - * - * Revision 1.6 1995/09/08 14:52:27 adam - * Minor changes. Dictionary is lower case now. - * - * Revision 1.5 1995/09/06 16:11:16 adam - * Option: only one word key per file. - * - * Revision 1.4 1995/09/05 15:28:39 adam - * More work on search engine. - * - * Revision 1.3 1995/09/04 12:33:41 adam - * Various cleanup. YAZ util used instead. - * - * Revision 1.2 1995/09/04 09:10:34 adam - * More work on index add/del/update. - * Merge sort implemented. - * Initial work on z39 server. - * - * Revision 1.1 1995/09/01 14:06:35 adam - * Split of work into more files. - * - */ +/* $Id: extract.c,v 1.204 2006-03-20 15:17:30 mike Exp $ + Copyright (C) 1995-2005 + 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 #include +#include +#ifdef WIN32 +#include +#endif +#if HAVE_UNISTD_H #include +#endif #include -#include -#include -#include #include "index.h" +#include "orddict.h" +#include +#include + +#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 Dict file_idx; -static SYSNO sysno_next; -static int sys_idx_fd = -1; +static void logRecord (ZebraHandle zh) +{ + ++zh->records_processed; + if (!(zh->records_processed % 1000)) + { + yaz_log (YLOG_LOG, "Records: "ZINT_FORMAT" i/u/d " + ZINT_FORMAT"/"ZINT_FORMAT"/"ZINT_FORMAT, + zh->records_processed, zh->records_inserted, zh->records_updated, + zh->records_deleted); + } +} -static int key_cmd; -static int key_sysno; -static char **key_buf; -static size_t ptr_top; -static size_t ptr_i; -static size_t kused; -static int key_file_no; +static void extract_set_store_data_prepare(struct recExtractCtrl *p); -void key_open (int mem) +static void extract_init (struct recExtractCtrl *p, RecWord *w) { - void *file_key; + w->zebra_maps = p->zebra_maps; + w->seqno = 1; +#if NATTR +#else + w->attrSet = VAL_BIB1; + w->attrUse = 1016; +#endif + w->index_name = 0; + w->index_type = 'w'; + w->extractCtrl = p; + w->record_id = 0; + w->section_id = 0; +} + +static void searchRecordKey(ZebraHandle zh, + zebra_rec_keys_t reckeys, + int attrSetS, int attrUseS, + const char **ws, int ws_length) +{ + int i; + int ch; + + for (i = 0; ireg->zei, + attrSetS, attrUseS); + if (ch < 0) + return ; - if (!(file_idx = dict_open (FNAME_FILE_DICT, 40, 1))) + if (zebra_rec_keys_rewind(reckeys)) { - logf (LOG_FATAL, "dict_open fail of %s", "fileidx"); - exit (1); + int startSeq = -1; + const char *str; + size_t slen; + struct it_key key; + zint seqno; + while (zebra_rec_keys_read(reckeys, &str, &slen, &key)) + { + assert(key.len <= 4 && key.len > 2); + + seqno = key.mem[key.len-1]; + + if (key.mem[0] == ch) + { + int woff; + + if (startSeq == -1) + startSeq = seqno; + woff = seqno - startSeq; + if (woff >= 0 && woff < ws_length) + ws[woff] = str; + } + } + } +} + +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; +}; + +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->file_offset = 0; + fi->file_more = 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; + 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; + 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_end (void *handle, off_t offset) +{ + struct file_read_info *p = (struct file_read_info *) handle; + + if (offset != p->file_moffset) + { + p->file_moffset = offset; + p->file_more = 1; + } +} + +#define FILE_MATCH_BLANK "\t " + +static char *fileMatchStr (ZebraHandle zh, + zebra_rec_keys_t reckeys, + const char *fname, const char *spec) +{ + static char dstBuf[2048]; /* static here ??? */ + char *dst = dstBuf; + const char *s = spec; + + while (1) + { + for (; *s && strchr(FILE_MATCH_BLANK, *s); s++) + ; + if (!*s) + break; + if (*s == '(') + { + const char *ws[32]; + char attset_str[64], attname_str[64]; + data1_attset *attset; + int i; + int attSet = 1, attUse = 1; + int first = 1; + + for (s++; strchr(FILE_MATCH_BLANK, *s); s++) + ; + for (i = 0; *s && *s != ',' && *s != ')' && + !strchr(FILE_MATCH_BLANK, *s); s++) + if (i+1 < sizeof(attset_str)) + attset_str[i++] = *s; + attset_str[i] = '\0'; + + for (; strchr(FILE_MATCH_BLANK, *s); s++) + ; + if (*s == ',') + { + for (s++; strchr(FILE_MATCH_BLANK, *s); s++) + ; + for (i = 0; *s && *s != ')' && + !strchr(FILE_MATCH_BLANK, *s); s++) + if (i+1 < sizeof(attname_str)) + 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); + } + searchRecordKey (zh, reckeys, attSet, attUse, ws, 32); + + if (*s != ')') + { + yaz_log (YLOG_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 (ws[i]) + { + if (first) + { + *dst++ = ' '; + first = 0; + } + strcpy (dst, ws[i]); + dst += strlen(ws[i]); + } + if (first) + { + yaz_log (YLOG_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 && !strchr(FILE_MATCH_BLANK, *s1)) + s1++; + + spec_len = s1 - s; + if (spec_len > sizeof(special)-1) + spec_len = sizeof(special)-1; + 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+1 < sizeof(tmpString)) + tmpString[i++] = *s++; + } + if (*s) + s++; + tmpString[i] = '\0'; + strcpy (dst, tmpString); + dst += strlen (tmpString); + } + else + { + yaz_log (YLOG_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) + { + yaz_log (YLOG_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 void init_extractCtrl(ZebraHandle zh, struct recExtractCtrl *ctrl) +{ + int i; + for (i = 0; i<256; i++) + { + if (zebra_maps_is_positioned(zh->reg->zebra_maps, i)) + ctrl->seqno[i] = 1; + else + ctrl->seqno[i] = 0; + } + ctrl->zebra_maps = zh->reg->zebra_maps; + ctrl->flagShowRecords = !zh->m_flag_rw; +} + +static int file_extract_record(ZebraHandle zh, + SYSNO *sysno, const char *fname, + int deleteFlag, + struct file_read_info *fi, + int force_update, + RecType recType, + void *recTypeClientData) +{ + RecordAttr *recordAttr; + int r; + const char *matchStr = 0; + SYSNO sysnotmp; + Record rec; + off_t recordOffset = 0; + struct recExtractCtrl extractCtrl; + + /* 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) + { + /* we are going to read from a file, so prepare the extraction */ + zebra_rec_keys_reset(zh->reg->keys); + +#if NATTR + zebra_rec_keys_reset(zh->reg->sortKeys); +#else + zh->reg->sortKeys.buf_used = 0; +#endif + recordOffset = fi->file_moffset; + extractCtrl.handle = zh; + 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.init = extract_init; + extractCtrl.tokenAdd = extract_token_add; + extractCtrl.schemaAdd = extract_schema_add; + extractCtrl.dh = zh->reg->dh; + extractCtrl.match_criteria[0] = '\0'; + extractCtrl.staticrank = 0; + + extractCtrl.first_record = fi->file_offset ? 0 : 1; + + extract_set_store_data_prepare(&extractCtrl); + + init_extractCtrl(zh, &extractCtrl); + + 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)(recTypeClientData, &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) + { + yaz_log (YLOG_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) + { + yaz_log (YLOG_WARN, "no filter for %s %s " + PRINTF_OFF_T, zh->m_record_type, + fname, recordOffset); + } + return 0; + } + if (extractCtrl.match_criteria[0]) + matchStr = extractCtrl.match_criteria; + } + + /* perform match if sysno not known and if match criteria is specified */ + if (!sysno) + { + sysnotmp = 0; + sysno = &sysnotmp; + + if (matchStr == 0 && zh->m_record_id && *zh->m_record_id) + { + matchStr = fileMatchStr (zh, zh->reg->keys, fname, + zh->m_record_id); + if (!matchStr) + { + yaz_log(YLOG_WARN, "Bad match criteria"); + return 0; + } + } + if (matchStr) + { + int db_ord = zebraExplain_get_database_ord(zh->reg->zei); + char *rinfo = dict_lookup_ord(zh->reg->matchDict, db_ord, + matchStr); + if (rinfo) + { + assert(*rinfo == sizeof(*sysno)); + memcpy (sysno, rinfo+1, sizeof(*sysno)); + } + } + } + if (! *sysno && zebra_rec_keys_empty(zh->reg->keys) ) + { + /* the extraction process returned no information - the record + is probably empty - unless flagShowRecords is in use */ + if (!zh->m_flag_rw) + return 1; + + if (zh->records_processed < zh->m_file_verbose_limit) + yaz_log (YLOG_WARN, "empty %s %s " PRINTF_OFF_T, zh->m_record_type, + fname, recordOffset); + return 1; + } + + if (! *sysno) + { + /* new record */ + if (deleteFlag) + { + yaz_log (YLOG_LOG, "delete %s %s " PRINTF_OFF_T, zh->m_record_type, + fname, recordOffset); + yaz_log (YLOG_WARN, "cannot delete record above (seems new)"); + return 1; + } + if (zh->records_processed < zh->m_file_verbose_limit) + yaz_log (YLOG_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); + recordAttr->staticrank = extractCtrl.staticrank; + + if (matchStr) + { + int db_ord = zebraExplain_get_database_ord(zh->reg->zei); + dict_insert_ord(zh->reg->matchDict, db_ord, matchStr, + sizeof(*sysno), sysno); + } +#if NATTR + extract_flushSortKeys (zh, *sysno, 1, zh->reg->sortKeys); +#else + extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys); +#endif + extract_flushRecordKeys (zh, *sysno, 1, zh->reg->keys, + recordAttr->staticrank); + zh->records_inserted++; } - file_key = dict_lookup (file_idx, "."); - if (file_key) - memcpy (&sysno_next, (char*)file_key+1, sizeof(sysno_next)); else - sysno_next = 1; - if ((sys_idx_fd = open (FNAME_SYS_IDX, O_RDWR|O_CREAT, 0666)) == -1) { - logf (LOG_FATAL|LOG_ERRNO, "open %s", FNAME_SYS_IDX); - exit (1); + /* record already exists */ + zebra_rec_keys_t delkeys = zebra_rec_keys_open(); + +#if NATTR + zebra_rec_keys_t sortKeys = zebra_rec_keys_open(); +#else + struct sortKeys sortKeys; +#endif + + rec = rec_get (zh->reg->records, *sysno); + assert (rec); + + recordAttr = rec_init_attr (zh->reg->zei, rec); + + zebra_rec_keys_set_buf(delkeys, + rec->info[recInfo_delKeys], + rec->size[recInfo_delKeys], + 0); + +#if NATTR + zebra_rec_keys_set_buf(sortKeys, + rec->info[recInfo_sortKeys], + rec->size[recInfo_sortKeys], + 0); + extract_flushSortKeys (zh, *sysno, 0, sortKeys); +#else + sortKeys.buf_used = rec->size[recInfo_sortKeys]; + sortKeys.buf = rec->info[recInfo_sortKeys]; + extract_flushSortKeys (zh, *sysno, 0, &sortKeys); +#endif + + extract_flushRecordKeys (zh, *sysno, 0, delkeys, + recordAttr->staticrank); /* old values */ + if (deleteFlag) + { + /* record going to be deleted */ + if (zebra_rec_keys_empty(delkeys)) + { + yaz_log (YLOG_LOG, "delete %s %s " PRINTF_OFF_T, + zh->m_record_type, fname, recordOffset); + yaz_log (YLOG_WARN, "cannot delete file above, storeKeys false (1)"); + } + else + { + if (zh->records_processed < zh->m_file_verbose_limit) + yaz_log (YLOG_LOG, "delete %s %s " PRINTF_OFF_T, + zh->m_record_type, fname, recordOffset); + zh->records_deleted++; + if (matchStr) + { + int db_ord = zebraExplain_get_database_ord(zh->reg->zei); + dict_delete_ord(zh->reg->matchDict, db_ord, matchStr); + } + rec_del (zh->reg->records, &rec); + } + rec_rm (&rec); + logRecord (zh); + return 1; + } + else + { + /* flush new keys for sort&search etc */ + if (zh->records_processed < zh->m_file_verbose_limit) + yaz_log (YLOG_LOG, "update %s %s " PRINTF_OFF_T, + zh->m_record_type, fname, recordOffset); + recordAttr->staticrank = extractCtrl.staticrank; +#if NATTR + extract_flushSortKeys (zh, *sysno, 1, zh->reg->sortKeys); +#else + extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys); +#endif + extract_flushRecordKeys (zh, *sysno, 1, zh->reg->keys, + recordAttr->staticrank); + zh->records_updated++; + } + zebra_rec_keys_close(delkeys); +#if NATTR + zebra_rec_keys_close(sortKeys); +#endif + } + /* 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 (!zebra_rec_keys_empty(zh->reg->keys) && zh->m_store_keys == 1) + { + zebra_rec_keys_get_buf(zh->reg->keys, + &rec->info[recInfo_delKeys], + &rec->size[recInfo_delKeys]); + } + else + { + rec->info[recInfo_delKeys] = NULL; + rec->size[recInfo_delKeys] = 0; + } + + /* update sort keys */ + xfree (rec->info[recInfo_sortKeys]); + +#if NATTR + zebra_rec_keys_get_buf(zh->reg->sortKeys, + &rec->info[recInfo_sortKeys], + &rec->size[recInfo_sortKeys]); +#else + 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; +#endif + + /* 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->store_data_buf) + { + rec->size[recInfo_storeData] = zh->store_data_size; + rec->info[recInfo_storeData] = zh->store_data_buf; + zh->store_data_buf = 0; + } + else 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) + { + yaz_log (YLOG_ERRNO|YLOG_FATAL, "seek to " PRINTF_OFF_T " in %s", + recordOffset, fname); + exit (1); + } + if (read (fi->fd, rec->info[recInfo_storeData], recordAttr->recordSize) + < recordAttr->recordSize) + { + yaz_log (YLOG_ERRNO|YLOG_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; + RecType recType; + void *recTypeClientData; + + if (!zh->m_group || !*zh->m_group) + *gprefix = '\0'; + else + sprintf (gprefix, "%s.", zh->m_group); + + yaz_log (YLOG_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) + yaz_log (YLOG_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 (!(recType = + recType_byName (zh->reg->recTypes, zh->res, zh->m_record_type, + &recTypeClientData))) + { + yaz_log(YLOG_WARN, "No such record type: %s", zh->m_record_type); + return 0; + } + + switch(recType->version) + { + case 0: + break; + default: + yaz_log(YLOG_WARN, "Bad filter version: %s", zh->m_record_type); + } + 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) + { + yaz_log (YLOG_WARN|YLOG_ERRNO, "open %s", full_rep); + zh->m_record_type = original_record_type; + return 0; + } + } + fi = file_read_start (fd); + do + { + fi->file_moffset = fi->file_offset; + fi->file_more = 0; /* file_end not called (yet) */ + r = file_extract_record (zh, sysno, fname, deleteFlag, fi, 1, + recType, recTypeClientData); + if (fi->file_more) + { /* file_end has been called so reset offset .. */ + fi->file_offset = fi->file_moffset; + lseek(fi->fd, fi->file_moffset, SEEK_SET); + } + } + while (r && !sysno); + 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 + + */ +ZEBRA_RES buffer_extract_record(ZebraHandle zh, + const char *buf, size_t buf_size, + int delete_flag, + int test_mode, + const char *recordType, + SYSNO *sysno, + const char *match_criteria, + const char *fname, + int force_update, + int allow_update) +{ + SYSNO sysno0 = 0; + RecordAttr *recordAttr; + struct recExtractCtrl extractCtrl; + int r; + const char *matchStr = 0; + RecType recType = NULL; + void *clientData; + Record rec; + long recordOffset = 0; + struct zebra_fetch_control fc; + const char *pr_fname = fname; /* filename to print .. */ + int show_progress = zh->records_processed < zh->m_file_verbose_limit ? 1:0; + + if (!pr_fname) + pr_fname = ""; /* 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.first_record = 1; + extractCtrl.fh = &fc; + + zebra_rec_keys_reset(zh->reg->keys); + +#if NATTR + zebra_rec_keys_reset(zh->reg->sortKeys); +#else + zh->reg->sortKeys.buf_used = 0; +#endif + if (zebraExplain_curDatabase (zh->reg->zei, zh->basenames[0])) + { + if (zebraExplain_newDatabase (zh->reg->zei, zh->basenames[0], + zh->m_explain_database)) + return ZEBRA_FAIL; + } + + if (recordType && *recordType) + { + yaz_log (YLOG_DEBUG, "Record type explicitly specified: %s", recordType); + recType = recType_byName (zh->reg->recTypes, zh->res, recordType, + &clientData); + } + else + { + if (!(zh->m_record_type)) + { + yaz_log (YLOG_WARN, "No such record type defined"); + return ZEBRA_FAIL; + } + yaz_log (YLOG_DEBUG, "Get record type from rgroup: %s",zh->m_record_type); + recType = recType_byName (zh->reg->recTypes, zh->res, + zh->m_record_type, &clientData); + recordType = zh->m_record_type; + } + + if (!recType) + { + yaz_log (YLOG_WARN, "No such record type: %s", zh->m_record_type); + return ZEBRA_FAIL; + } + + extractCtrl.init = extract_init; + extractCtrl.tokenAdd = extract_token_add; + extractCtrl.schemaAdd = extract_schema_add; + extractCtrl.dh = zh->reg->dh; + extractCtrl.handle = zh; + extractCtrl.match_criteria[0] = '\0'; + extractCtrl.staticrank = 0; + + init_extractCtrl(zh, &extractCtrl); + + extract_set_store_data_prepare(&extractCtrl); + + r = (*recType->extract)(clientData, &extractCtrl); + + if (r == RECCTRL_EXTRACT_EOF) + return ZEBRA_FAIL; + else if (r == RECCTRL_EXTRACT_ERROR_GENERIC) + { + /* error occured during extraction ... */ + yaz_log (YLOG_WARN, "extract error: generic"); + return ZEBRA_FAIL; + } + else if (r == RECCTRL_EXTRACT_ERROR_NO_SUCH_FILTER) + { + /* error occured during extraction ... */ + yaz_log (YLOG_WARN, "extract error: no such filter"); + return ZEBRA_FAIL; + } + + if (extractCtrl.match_criteria[0]) + match_criteria = extractCtrl.match_criteria; + + if (!sysno) { + + sysno = &sysno0; + + 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) + { + yaz_log (YLOG_WARN, "Bad match criteria (recordID)"); + return ZEBRA_FAIL; + } + } + } + if (matchStr) + { + int db_ord = zebraExplain_get_database_ord(zh->reg->zei); + char *rinfo = dict_lookup_ord(zh->reg->matchDict, db_ord, + matchStr); + if (rinfo) + { + assert(*rinfo == sizeof(*sysno)); + memcpy (sysno, rinfo+1, sizeof(*sysno)); + } + } + } + if (zebra_rec_keys_empty(zh->reg->keys)) + { + /* the extraction process returned no information - the record + is probably empty - unless flagShowRecords is in use */ + if (test_mode) + return ZEBRA_OK; + } + + if (! *sysno) + { + /* new record */ + if (delete_flag) + { + yaz_log (YLOG_LOG, "delete %s %s %ld", recordType, + pr_fname, (long) recordOffset); + yaz_log (YLOG_WARN, "cannot delete record above (seems new)"); + return ZEBRA_FAIL; + } + if (show_progress) + yaz_log (YLOG_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); + recordAttr->staticrank = extractCtrl.staticrank; + + if (matchStr) + { + int db_ord = zebraExplain_get_database_ord(zh->reg->zei); + dict_insert_ord(zh->reg->matchDict, db_ord, matchStr, + sizeof(*sysno), sysno); + } +#if NATTR + extract_flushSortKeys (zh, *sysno, 1, zh->reg->sortKeys); +#else + extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys); +#endif + +#if 0 + print_rec_keys(zh, zh->reg->keys); +#endif + extract_flushRecordKeys (zh, *sysno, 1, zh->reg->keys, + recordAttr->staticrank); + zh->records_inserted++; + } + else + { + /* record already exists */ + zebra_rec_keys_t delkeys = zebra_rec_keys_open(); +#if NATTR + zebra_rec_keys_t sortKeys = zebra_rec_keys_open(); +#else + struct sortKeys sortKeys; +#endif + + if (!allow_update) + { + yaz_log (YLOG_LOG, "skipped %s %s %ld", + recordType, pr_fname, (long) recordOffset); + logRecord(zh); + return ZEBRA_FAIL; + } + + rec = rec_get (zh->reg->records, *sysno); + assert (rec); + + recordAttr = rec_init_attr (zh->reg->zei, rec); + + zebra_rec_keys_set_buf(delkeys, + rec->info[recInfo_delKeys], + rec->size[recInfo_delKeys], + 0); +#if NATTR + zebra_rec_keys_set_buf(sortKeys, + rec->info[recInfo_sortKeys], + rec->size[recInfo_sortKeys], + 0); +#else + sortKeys.buf_used = rec->size[recInfo_sortKeys]; + sortKeys.buf = rec->info[recInfo_sortKeys]; +#endif + +#if NATTR + extract_flushSortKeys (zh, *sysno, 0, sortKeys); +#else + extract_flushSortKeys (zh, *sysno, 0, &sortKeys); +#endif + extract_flushRecordKeys (zh, *sysno, 0, delkeys, + recordAttr->staticrank); + if (delete_flag) + { + /* record going to be deleted */ + if (zebra_rec_keys_empty(delkeys)) + { + yaz_log (YLOG_LOG, "delete %s %s %ld", recordType, + pr_fname, (long) recordOffset); + yaz_log (YLOG_WARN, "cannot delete file above, " + "storeKeys false (3)"); + } + else + { + if (show_progress) + yaz_log (YLOG_LOG, "delete %s %s %ld", recordType, + pr_fname, (long) recordOffset); + zh->records_deleted++; + if (matchStr) + { + int db_ord = zebraExplain_get_database_ord(zh->reg->zei); + dict_delete_ord(zh->reg->matchDict, db_ord, matchStr); + } + rec_del (zh->reg->records, &rec); + } + rec_rm (&rec); + logRecord(zh); + return ZEBRA_OK; + } + else + { + if (show_progress) + yaz_log (YLOG_LOG, "update %s %s %ld", recordType, + pr_fname, (long) recordOffset); + recordAttr->staticrank = extractCtrl.staticrank; +#if NATTR + extract_flushSortKeys (zh, *sysno, 1, zh->reg->sortKeys); +#else + extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys); +#endif + extract_flushRecordKeys (zh, *sysno, 1, zh->reg->keys, + recordAttr->staticrank); + zh->records_updated++; + } + zebra_rec_keys_close(delkeys); +#if NATTR + zebra_rec_keys_close(sortKeys); +#endif + } + /* 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 (!zebra_rec_keys_empty(zh->reg->keys) && zh->m_store_keys == 1) + { + zebra_rec_keys_get_buf(zh->reg->keys, + &rec->info[recInfo_delKeys], + &rec->size[recInfo_delKeys]); + } + else + { + rec->info[recInfo_delKeys] = NULL; + rec->size[recInfo_delKeys] = 0; + } + /* update sort keys */ + xfree (rec->info[recInfo_sortKeys]); + +#if NATTR + zebra_rec_keys_get_buf(zh->reg->sortKeys, + &rec->info[recInfo_sortKeys], + &rec->size[recInfo_sortKeys]); +#else + 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; +#endif + + /* 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]); + + /* update store data */ + if (zh->store_data_buf) + { + rec->size[recInfo_storeData] = zh->store_data_size; + rec->info[recInfo_storeData] = zh->store_data_buf; + zh->store_data_buf = 0; + } + else 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 ZEBRA_OK; } + +int explain_extract (void *handle, Record rec, data1_node *n) +{ + ZebraHandle zh = (ZebraHandle) handle; + struct recExtractCtrl extractCtrl; + + if (zebraExplain_curDatabase (zh->reg->zei, + rec->info[recInfo_databaseName])) + { + abort(); + if (zebraExplain_newDatabase (zh->reg->zei, + rec->info[recInfo_databaseName], 0)) + abort (); + } + + zebra_rec_keys_reset(zh->reg->keys); + +#if NATTR + zebra_rec_keys_reset(zh->reg->sortKeys); +#else + zh->reg->sortKeys.buf_used = 0; +#endif + extractCtrl.init = extract_init; + extractCtrl.tokenAdd = extract_token_add; + extractCtrl.schemaAdd = extract_schema_add; + extractCtrl.dh = zh->reg->dh; + + init_extractCtrl(zh, &extractCtrl); + + extractCtrl.flagShowRecords = 0; + extractCtrl.match_criteria[0] = '\0'; + extractCtrl.staticrank = 0; + extractCtrl.handle = handle; + extractCtrl.first_record = 1; -void key_flush (void) + extract_set_store_data_prepare(&extractCtrl); + + if (n) + grs_extract_tree(&extractCtrl, n); + + if (rec->size[recInfo_delKeys]) + { + zebra_rec_keys_t delkeys = zebra_rec_keys_open(); + +#if NATTR + zebra_rec_keys_t sortkeys = zebra_rec_keys_open(); +#else + struct sortKeys sortkeys; +#endif + + zebra_rec_keys_set_buf(delkeys, rec->info[recInfo_delKeys], + rec->size[recInfo_delKeys], + 0); + extract_flushRecordKeys (zh, rec->sysno, 0, delkeys, 0); + zebra_rec_keys_close(delkeys); +#if NATTR + zebra_rec_keys_set_buf(sortkeys, rec->info[recInfo_sortKeys], + rec->size[recInfo_sortKeys], + 0); + + extract_flushSortKeys (zh, rec->sysno, 0, sortkeys); + zebra_rec_keys_close(sortkeys); +#else + sortkeys.buf_used = rec->size[recInfo_sortKeys]; + sortkeys.buf = rec->info[recInfo_sortKeys]; + extract_flushSortKeys (zh, rec->sysno, 0, &sortkeys); +#endif + } + extract_flushRecordKeys (zh, rec->sysno, 1, zh->reg->keys, 0); +#if NATTR + extract_flushSortKeys (zh, rec->sysno, 1, zh->reg->sortKeys); +#else + extract_flushSortKeys (zh, rec->sysno, 1, &zh->reg->sortKeys); +#endif + + xfree (rec->info[recInfo_delKeys]); + zebra_rec_keys_get_buf(zh->reg->keys, + &rec->info[recInfo_delKeys], + &rec->size[recInfo_delKeys]); + + xfree (rec->info[recInfo_sortKeys]); +#if NATTR + zebra_rec_keys_get_buf(zh->reg->sortKeys, + &rec->info[recInfo_sortKeys], + &rec->size[recInfo_sortKeys]); +#else + 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; +#endif + + return 0; +} + +void extract_flushRecordKeys (ZebraHandle zh, SYSNO sysno, + int cmd, + zebra_rec_keys_t reckeys, + zint staticrank) +{ + 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) + { + yaz_log(YLOG_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); + + if (zebra_rec_keys_rewind(reckeys)) + { + size_t slen; + const char *str; + struct it_key key_in; + while(zebra_rec_keys_read(reckeys, &str, &slen, &key_in)) + { + int ch = 0; + struct it_key key_out; + zint *keyp = key_out.mem; + + assert(key_in.len == 4); + + /* check for buffer overflow */ + if (zh->reg->key_buf_used + 1024 > + (zh->reg->ptr_top -zh->reg->ptr_i)*sizeof(char*)) + extract_flushWriteKeys (zh, 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; + + /* encode the ordinal value (field/use/attribute) .. */ + ch = (int) key_in.mem[0]; + zh->reg->key_buf_used += + key_SU_encode(ch, (char*)zh->reg->key_buf + + zh->reg->key_buf_used); + + /* copy the 0-terminated stuff from str to output */ + memcpy((char*)zh->reg->key_buf + zh->reg->key_buf_used, str, slen); + zh->reg->key_buf_used += slen; + ((char*)zh->reg->key_buf)[(zh->reg->key_buf_used)++] = '\0'; + + /* the delete/insert indicator */ + ((char*)zh->reg->key_buf)[(zh->reg->key_buf_used)++] = cmd; + + if (zh->m_staticrank) /* rank config enabled ? */ + { + if (staticrank < 0) + { + yaz_log(YLOG_WARN, "staticrank = %ld. Setting to 0", + (long) staticrank); + staticrank = 0; + } + *keyp++ = staticrank; + key_out.len = 4; + } + else + key_out.len = 3; + + if (key_in.mem[1]) /* filter specified record ID */ + *keyp++ = key_in.mem[1]; + else + *keyp++ = sysno; + *keyp++ = key_in.mem[2]; /* section_id */ + *keyp++ = key_in.mem[3]; /* sequence .. */ + + memcpy((char*)zh->reg->key_buf + zh->reg->key_buf_used, + &key_out, sizeof(key_out)); + (zh->reg->key_buf_used) += sizeof(key_out); + } + } +} + +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; - - if (ptr_i <= 0) + 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) + { + yaz_log (YLOG_DEBUG, " nothing to flush section=%d buf=%p i=%d", + zh->reg->key_file_no, zh->reg->key_buf, ptr_i); + yaz_log (YLOG_DEBUG, " buf=%p ", + zh->reg->key_buf); + yaz_log (YLOG_DEBUG, " ptr=%d ",zh->reg->ptr_i); + yaz_log (YLOG_DEBUG, " reg=%p ",zh->reg); + return; + } - key_file_no++; - logf (LOG_LOG, "sorting section %d", key_file_no); - qsort (key_buf + ptr_top-ptr_i, ptr_i, sizeof(char*), key_qsort_compare); - sprintf (out_fname, TEMP_FNAME, key_file_no); + (zh->reg->key_file_no)++; + yaz_log (YLOG_LOG, "sorting section %d", (zh->reg->key_file_no)); + yaz_log (YLOG_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); - if (!(outf = fopen (out_fname, "w"))) - { - logf (LOG_FATAL|LOG_ERRNO, "fopen (4) %s", out_fname); - exit (1); + /* 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') { + yaz_log (YLOG_WARN, "Illegal tempfiles setting '%c'. using 'Auto' ", + temp_policy); + temp_policy='A'; } - logf (LOG_LOG, "writing section %d", key_file_no); - prevcp = cp = key_buf[ptr_top-ptr_i]; - - if (fwrite (cp, strlen (cp)+2+sizeof(struct it_key), 1, outf) != 1) + + 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, "fwrite %s", out_fname); + yaz_log (YLOG_FATAL|YLOG_ERRNO, "fopen %s", out_fname); exit (1); } + yaz_log (YLOG_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 = key_buf[ptr_top-ptr_i]; + cp = (zh->reg->key_buf)[zh->reg->ptr_top - ptr_i]; if (strcmp (cp, prevcp)) { - if (fwrite (cp, strlen (cp)+2+sizeof(struct it_key), 1, - outf) != 1) - { - logf (LOG_FATAL|LOG_ERRNO, "fwrite %s", out_fname); - exit (1); - } + 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"))) + { + yaz_log (YLOG_FATAL|YLOG_ERRNO, "fopen %s", out_fname); + exit (1); + } + yaz_log (YLOG_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])) { - cp = strlen (cp) + cp; - if (fwrite (cp, 2+sizeof(struct it_key), 1, outf) != 1) + key_y_len = strlen(prevcp)+1; +#if 0 + yaz_log (YLOG_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) { - logf (LOG_FATAL|LOG_ERRNO, "fwrite %s", out_fname); - exit (1); + 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); + yaz_log (YLOG_FATAL|YLOG_ERRNO, "fclose %s", out_fname); exit (1); } - logf (LOG_LOG, "finished section %d", key_file_no); - ptr_i = 0; - kused = 0; + yaz_log (YLOG_LOG, "finished section %d", zh->reg->key_file_no); + zh->reg->ptr_i = 0; + zh->reg->key_buf_used = 0; } -int key_close (void) +ZEBRA_RES zebra_snippets_rec_keys(ZebraHandle zh, + zebra_rec_keys_t reckeys, + zebra_snippets *snippets) { - key_flush (); - xfree (key_buf); - close (sys_idx_fd); - dict_insert (file_idx, ".", sizeof(sysno_next), &sysno_next); - dict_close (file_idx); - return key_file_no; + NMEM nmem = nmem_create(); + if (zebra_rec_keys_rewind(reckeys)) + { + const char *str; + size_t slen; + struct it_key key; + while (zebra_rec_keys_read(reckeys, &str, &slen, &key)) + { + char dst_buf[IT_MAX_WORD]; + char *dst_term = dst_buf; + int ord, seqno; + int index_type; + assert(key.len <= 4 && key.len > 2); + seqno = (int) key.mem[key.len-1]; + ord = key.mem[0]; + + zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type, + 0/* db */, 0/* set */, 0/* use */); + assert(index_type); + zebra_term_untrans_iconv(zh, nmem, index_type, + &dst_term, str); + zebra_snippets_append(snippets, seqno, ord, dst_term); + nmem_reset(nmem); + } + } + nmem_destroy(nmem); + return ZEBRA_OK; } -static void wordInit (RecWord *p) +void print_rec_keys(ZebraHandle zh, zebra_rec_keys_t reckeys) { - p->attrSet = 1; - p->attrUse = 1016; - p->which = Word_String; + yaz_log(YLOG_LOG, "print_rec_keys"); + if (zebra_rec_keys_rewind(reckeys)) + { + const char *str; + size_t slen; + struct it_key key; + while (zebra_rec_keys_read(reckeys, &str, &slen, &key)) + { + char dst_buf[IT_MAX_WORD]; + int seqno; + int index_type; + const char *db = 0; + assert(key.len <= 4 && key.len > 2); + + zebraExplain_lookup_ord(zh->reg->zei, + key.mem[0], &index_type, &db, 0, 0); + + seqno = (int) key.mem[key.len-1]; + + zebra_term_untrans(zh, index_type, dst_buf, str); + + yaz_log(YLOG_LOG, "ord=" ZINT_FORMAT " seqno=%d term=%s", + key.mem[0], seqno, dst_buf); + } + } } -static void wordAdd (const RecWord *p) +void extract_add_index_string (RecWord *p, const char *str, int length) { struct it_key key; - size_t i; - - if (kused + 1024 > (ptr_top-ptr_i)*sizeof(char*)) - key_flush (); - ++ptr_i; - key_buf[ptr_top-ptr_i] = (char*)key_buf + kused; - kused += index_word_prefix ((char*)key_buf + kused, - p->attrSet, p->attrUse); - switch (p->which) - { - case Word_String: - for (i = 0; p->u.string[i]; i++) - ((char*)key_buf) [kused++] = index_char_cvt (p->u.string[i]); - ((char*)key_buf) [kused++] = '\0'; - break; - default: - return ; + + ZebraHandle zh = p->extractCtrl->handle; + ZebraExplainInfo zei = zh->reg->zei; + int ch; + + if (p->index_name) + { + ch = zebraExplain_lookup_attr_str(zei, p->index_type, p->index_name); + if (ch < 0) + ch = zebraExplain_add_attr_str(zei, p->index_type, p->index_name); + } + else + { +#if NATTR + return; +#else + ch = zebraExplain_lookup_attr_su(zei, p->index_type, + p->attrSet, p->attrUse); + if (ch < 0) + ch = zebraExplain_add_attr_su(zei, p->index_type, + p->attrSet, p->attrUse); +#endif + } + key.len = 4; + key.mem[0] = ch; + key.mem[1] = p->record_id; + key.mem[2] = p->section_id; + key.mem[3] = p->seqno; + +#if 0 + if (1) + { + char strz[80]; + int i; + + strz[0] = 0; + for (i = 0; iattrSet, p->attrUse, p->record_id, p->section_id, p->seqno, + strz); } - ((char*) key_buf)[kused++] = ((key_cmd == 'a') ? 1 : 0); - key.sysno = key_sysno; - key.seqno = p->seqno; - memcpy ((char*)key_buf + kused, &key, sizeof(key)); - kused += sizeof(key); +#endif + + zebra_rec_keys_write(zh->reg->keys, str, length, &key); } -void file_extract (int cmd, const char *fname, const char *kname) +#if NATTR +static void extract_add_sort_string (RecWord *p, const char *str, int length) { - int i, r; - char ext[128]; - SYSNO sysno; - char ext_res[128]; - const char *file_type; - void *file_info; - FILE *inf; - struct recExtractCtrl extractCtrl; - RecType rt; + struct it_key key; - for (i = strlen(fname); --i >= 0; ) - if (fname[i] == '/') - { - strcpy (ext, ""); - break; + ZebraHandle zh = p->extractCtrl->handle; + ZebraExplainInfo zei = zh->reg->zei; + int ch; + + if (p->index_name) + { + ch = zebraExplain_lookup_attr_str(zei, p->index_type, p->index_name); + if (ch < 0) + ch = zebraExplain_add_attr_str(zei, p->index_type, p->index_name); + } + else + { + return; + } + key.len = 4; + key.mem[0] = ch; + key.mem[1] = p->record_id; + key.mem[2] = p->section_id; + key.mem[3] = p->seqno; + + zebra_rec_keys_write(zh->reg->sortKeys, str, length, &key); +} +#else +static void extract_add_sort_string (RecWord *p, const char *str, 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, (unsigned char *) sk->buf + off); + off += key_SU_decode(&use, (unsigned char *) sk->buf + off); + off += key_SU_decode(&slen, (unsigned char *) 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, str, length); + sk->buf_used = off + length; +} +#endif + +void extract_add_string (RecWord *p, const char *string, int length) +{ + assert (length > 0); + if (zebra_maps_is_sort (p->zebra_maps, p->index_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->term_buf; + int remain = p->term_len; + const char **map = 0; + + yaz_log(YLOG_DEBUG, "Incomplete field, w='%.*s'", p->term_len, p->term_buf); + + if (remain > 0) + map = zebra_maps_input(p->zebra_maps, p->index_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->term_len - (b - p->term_buf); + if (remain > 0) + map = zebra_maps_input(p->zebra_maps, p->index_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->term_len - (b - p->term_buf); + if (remain > 0) + map = zebra_maps_input(p->zebra_maps, p->index_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->term_buf; + char buf[IT_MAX_WORD+1]; + const char **map = 0; + int i = 0, remain = p->term_len; + + yaz_log(YLOG_DEBUG, "Complete field, w='%.*s'", + p->term_len, p->term_buf); + + if (remain > 0) + map = zebra_maps_input (p->zebra_maps, p->index_type, &b, remain, 1); + + while (remain > 0 && i < IT_MAX_WORD) + { + while (map && *map && **map == *CHR_SPACE) + { + remain = p->term_len - (b - p->term_buf); + + if (remain > 0) + { + int first = i ? 0 : 1; /* first position */ + map = zebra_maps_input(p->zebra_maps, p->index_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; + yaz_log(YLOG_DEBUG, "Adding string to index '%d'", **map); + while (i < IT_MAX_WORD && *cp) + buf[i++] = *(cp++); + } + remain = p->term_len - (b - p->term_buf); + if (remain > 0) + { + map = zebra_maps_input (p->zebra_maps, p->index_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 (YLOG_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->index_type, 0, + p->term_buf, p->term_len))) + { + p->term_buf = wrbuf_buf(wrbuf); + p->term_len = wrbuf_len(wrbuf); + } + if (zebra_maps_is_complete (p->zebra_maps, p->index_type)) + extract_add_complete_field (p); + else + extract_add_incomplete_field(p); +} + +static void extract_set_store_data_cb(struct recExtractCtrl *p, + void *buf, size_t sz) +{ + ZebraHandle zh = (ZebraHandle) p->handle; + + xfree(zh->store_data_buf); + zh->store_data_buf = 0; + zh->store_data_size = 0; + if (buf && sz) + { + zh->store_data_buf = xmalloc(sz); + zh->store_data_size = sz; + memcpy(zh->store_data_buf, buf, sz); + } +} + +static void extract_set_store_data_prepare(struct recExtractCtrl *p) +{ + ZebraHandle zh = (ZebraHandle) p->handle; + xfree(zh->store_data_buf); + zh->store_data_buf = 0; + zh->store_data_size = 0; + p->setStoreData = extract_set_store_data_cb; +} + +void extract_schema_add (struct recExtractCtrl *p, Odr_oid *oid) +{ + ZebraHandle zh = (ZebraHandle) p->handle; + zebraExplain_addSchema (zh->reg->zei, oid); +} + +#if NATTR +#error not done yet with zebra_rec_keys_t +void extract_flushSortKeys (ZebraHandle zh, SYSNO sysno, + int cmd, struct recKeys *reckeys) +{ + SortIdx sortIdx = zh->reg->sortIdx; + void *decode_handle = iscz1_start(); + int off = 0; + int ch = 0; + + while (off < reckeys->buf_used) + { + const char *src = reckeys->buf + off; + struct it_key key; + char *dst = (char*) &key; + + iscz1_decode(decode_handle, &dst, &src); + assert(key.len == 4); + + ch = (int) key.mem[0]; /* ordinal for field/use/attribute */ + + sortIdx_type(sortIdx, ch); + if (cmd == 1) + sortIdx_add(sortIdx, src, strlen(src)); + else + sortIdx_add(sortIdx, "", 1); + + src += strlen(src); + src++; + + off = src - reckeys->buf; + } + assert (off == reckeys->buf_used); + iscz1_stop(decode_handle); +} +#else +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, (unsigned char *) sk->buf + off); + off += key_SU_decode(&use, (unsigned char *) sk->buf + off); + off += key_SU_decode(&slen, (unsigned char *) sk->buf + off); + + sortIdx_type(sortIdx, use); + if (cmd == 1) + sortIdx_add(sortIdx, sk->buf + off, slen); + else + sortIdx_add(sortIdx, "", 1); + off += slen; + } +} +#endif + +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; + i->encode_handle = iscz1_start(); + i->decode_handle = iscz1_start(); +} + +#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, *bp0; + const char *src = (char *) &key; + + /* copy term to output buf */ + while ((*bp++ = *k++)) + ; + /* and copy & align key so we can mangle */ + memcpy (&key, k+1, sizeof(struct it_key)); /* *k is insert/delete */ + +#if 0 + /* debugging */ + key_logdump_txt(YLOG_LOG, &key, *k ? "i" : "d"); +#endif + assert(key.mem[0] >= 0); + + bp0 = bp++; + iscz1_encode(i->encode_handle, &bp, &src); + + *bp0 = (*k * 128) + bp - bp0 - 1; /* length and insert/delete combined */ + if (fwrite (i->buf, bp - i->buf, 1, outf) != 1) + { + yaz_log (YLOG_FATAL|YLOG_ERRNO, "fwrite"); + exit (1); + } + +#if 0 + /* debugging */ + if (1) + { + struct it_key key2; + const char *src = bp0+1; + char *dst = (char*) &key2; + iscz1_decode(i->decode_handle, &dst, &src); + + key_logdump_txt(YLOG_LOG, &key2, *k ? "i" : "d"); + + assert(key2.mem[1]); + } +#endif +} + +void encode_key_flush (struct encode_info *i, FILE *outf) +{ + iscz1_stop(i->encode_handle); + iscz1_stop(i->decode_handle); +} + +#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 (fname[i] == '.') + 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) { - strcpy (ext, fname+i+1); - break; + yaz_log (YLOG_FATAL|YLOG_ERRNO, "fwrite"); + exit (1); } - sprintf (ext_res, "fileExtension.%s", ext); - if (!(file_type = res_get (common_resource, ext_res))) - return; - if (!(rt = recType_byName (file_type))) - return; - logf (LOG_DEBUG, "%c %s k=%s", cmd, fname, kname); - file_info = dict_lookup (file_idx, kname); - if (!file_info) - { - sysno = sysno_next++; - dict_insert (file_idx, kname, sizeof(sysno), &sysno); - lseek (sys_idx_fd, sysno * SYS_IDX_ENTRY_LEN, SEEK_SET); - write (sys_idx_fd, file_type, strlen (file_type)+1); - write (sys_idx_fd, kname, strlen(kname)+1); + i->keylen=0; /* ok, it's written, forget it */ + i->prevsys=key.sysno; + i->prevseq=key.seqno; + i->prevcmd=*k; } - else - memcpy (&sysno, (char*) file_info+1, sizeof(sysno)); +} - if (!(inf = fopen (fname, "r"))) +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) { - logf (LOG_WARN|LOG_ERRNO, "open %s", fname); - return; + 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) + { + yaz_log (YLOG_FATAL|YLOG_ERRNO, "fwrite"); + exit (1); } - extractCtrl.inf = inf; - extractCtrl.subType = ""; - extractCtrl.init = wordInit; - extractCtrl.add = wordAdd; - key_sysno = sysno; - key_cmd = cmd; - r = (*rt->extract)(&extractCtrl); - fclose (inf); - if (r) - logf (LOG_WARN, "Couldn't extract file %s, code %d", fname, r); + i->keylen=0; /* ok, it's written, forget it */ + i->prevsys=0; /* forget the values too */ + i->prevseq=0; } +#endif