X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Fretrieve.c;h=5c28b2addecc0469a989fa6ba7552268117d55d5;hb=c33ea56e3771c3b80ba66ef8fda3a09cad171ebb;hp=3ab4d8aa614afb8e056cb3ba37a151fc3f5defe7;hpb=e6c873a1bf7291b89cfcfe76184c4154c61056e1;p=idzebra-moved-to-github.git diff --git a/index/retrieve.c b/index/retrieve.c index 3ab4d8a..5c28b2a 100644 --- a/index/retrieve.c +++ b/index/retrieve.c @@ -1,236 +1,275 @@ -/* - * Copyright (C) 1995-1998, Index Data - * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss - * - * $Log: retrieve.c,v $ - * Revision 1.3 1998-10-28 10:54:40 adam - * SDRKit integration. - * - * Revision 1.2 1998/10/16 08:14:33 adam - * Updated record control system. - * - * Revision 1.1 1998/03/05 08:45:13 adam - * New result set model and modular ranking system. Moved towards - * descent server API. System information stored as "SGML" records. - * - */ +/* $Id: retrieve.c,v 1.44 2006-08-22 13:39:27 adam Exp $ + Copyright (C) 1995-2006 + 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 this program; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +*/ #include #include #include -#ifdef WINDOWS +#ifdef WIN32 #include #include -#else -#include -#endif - -#include -#include "zserver.h" - -#ifndef ZEBRASDR -#define ZEBRASDR 0 #endif - -#if ZEBRASDR -#include "zebrasdr.h" +#if HAVE_UNISTD_H +#include #endif -struct fetch_control { - int record_offset; - int record_int_pos; - char *record_int_buf; - int record_int_len; - int fd; -}; - -static int record_ext_read (void *fh, char *buf, size_t count) -{ - struct fetch_control *fc = fh; - return read (fc->fd, buf, count); -} - -static off_t record_ext_seek (void *fh, off_t offset) -{ - struct fetch_control *fc = fh; - return lseek (fc->fd, offset + fc->record_offset, SEEK_SET); -} - -static off_t record_ext_tell (void *fh) -{ - struct fetch_control *fc = fh; - return lseek (fc->fd, 0, SEEK_CUR) - fc->record_offset; -} - -static off_t record_int_seek (void *fh, off_t offset) -{ - struct fetch_control *fc = fh; - return (off_t) (fc->record_int_pos = offset); -} - -static off_t record_int_tell (void *fh) -{ - struct fetch_control *fc = fh; - return (off_t) fc->record_int_pos; -} +#include "index.h" +#include -static int record_int_read (void *fh, char *buf, size_t count) -{ - struct fetch_control *fc = fh; - int l = fc->record_int_len - fc->record_int_pos; - if (l <= 0) - return 0; - l = (l < (int) count) ? l : count; - memcpy (buf, fc->record_int_buf + fc->record_int_pos, l); - fc->record_int_pos += l; - return l; -} - -int zebra_record_fetch (ZebraHandle zh, int sysno, int score, ODR stream, +int zebra_record_fetch (ZebraHandle zh, SYSNO sysno, int score, + zebra_snippets *hit_snippet, ODR odr, oid_value input_format, Z_RecordComposition *comp, oid_value *output_format, char **rec_bufp, - int *rec_lenp, char **basenamep) + int *rec_lenp, char **basenamep, + char **addinfo) { Record rec; char *fname, *file_type, *basename; RecType rt; struct recRetrieveCtrl retrieveCtrl; - char subType[128]; - struct fetch_control fc; + struct ZebraRecStream stream; RecordAttr *recordAttr; + void *clientData; + int raw_mode = 0; - rec = rec_get (zh->records, sysno); + *basenamep = 0; + *addinfo = 0; + if (comp && comp->which == Z_RecordComp_simple && + comp->u.simple->which == Z_ElementSetNames_generic && + !strcmp (comp->u.simple->u.generic, "_sysno_")) + { + char rec_str[60]; + sprintf(rec_str, ZINT_FORMAT, sysno); + *output_format = VAL_SUTRS; + *rec_lenp = strlen(rec_str); + *rec_bufp = odr_strdup(odr, rec_str); + return 0; + } + rec = rec_get (zh->reg->records, sysno); if (!rec) { - logf (LOG_DEBUG, "rec_get fail on sysno=%d", sysno); + yaz_log (YLOG_DEBUG, "rec_get fail on sysno=" ZINT_FORMAT, sysno); + *basenamep = 0; return 14; } - recordAttr = rec_init_attr (zh->zei, rec); + recordAttr = rec_init_attr (zh->reg->zei, rec); file_type = rec->info[recInfo_fileType]; fname = rec->info[recInfo_filename]; basename = rec->info[recInfo_databaseName]; - *basenamep = odr_malloc (stream, strlen(basename)+1); + *basenamep = (char *) odr_malloc (odr, strlen(basename)+1); strcpy (*basenamep, basename); - if (!(rt = recType_byName (zh->recTypes, file_type, subType))) + if (comp && comp->which == Z_RecordComp_simple && + comp->u.simple->which == Z_ElementSetNames_generic && + !strcmp (comp->u.simple->u.generic, "_storekeys_")) { - logf (LOG_WARN, "Retrieve: Cannot handle type %s", file_type); + WRBUF wrbuf = wrbuf_alloc(); + zebra_rec_keys_t keys = zebra_rec_keys_open(); + zebra_rec_keys_set_buf(keys, + rec->info[recInfo_delKeys], + rec->size[recInfo_delKeys], + 0); + if (zebra_rec_keys_rewind(keys)) + { + size_t slen; + const char *str; + struct it_key key_in; + while(zebra_rec_keys_read(keys, &str, &slen, &key_in)) + { + int i; + int ord = CAST_ZINT_TO_INT(key_in.mem[0]); + int index_type; + const char *db = 0; + int set = 0; + int use = 0; + const char *string_index = 0; + char dst_buf[IT_MAX_WORD]; + + zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type, &db, + &string_index); + + if (string_index) + wrbuf_printf(wrbuf, "%s", string_index); + else + wrbuf_printf(wrbuf, "set=%d,use=%d", set, use); + + zebra_term_untrans(zh, index_type, dst_buf, str); + wrbuf_printf(wrbuf, " %s", dst_buf); + + for (i = 1; i < key_in.len; i++) + wrbuf_printf(wrbuf, " " ZINT_FORMAT, key_in.mem[i]); + wrbuf_printf(wrbuf, "\n"); + + } + } + *output_format = VAL_SUTRS; + *rec_lenp = wrbuf_len(wrbuf); + *rec_bufp = odr_malloc(odr, *rec_lenp); + memcpy(*rec_bufp, wrbuf_buf(wrbuf), *rec_lenp); + wrbuf_free(wrbuf, 1); + zebra_rec_keys_close(keys); + return 0; + } + if (comp && comp->which == Z_RecordComp_simple && + comp->u.simple->which == Z_ElementSetNames_generic && + !strcmp (comp->u.simple->u.generic, "R")) + { + raw_mode = 1; + } + if (!(rt = recType_byName (zh->reg->recTypes, zh->res, + file_type, &clientData))) + { + yaz_log (YLOG_WARN, "Retrieve: Cannot handle type %s", file_type); return 14; } - logf (LOG_DEBUG, "retrieve localno=%d score=%d", sysno, score); - retrieveCtrl.fh = &fc; - fc.fd = -1; + yaz_log (YLOG_DEBUG, "retrieve localno=" ZINT_FORMAT " score=%d", sysno,score); + retrieveCtrl.stream = &stream; + retrieveCtrl.fname = fname; if (rec->size[recInfo_storeData] > 0) { - retrieveCtrl.readf = record_int_read; - retrieveCtrl.seekf = record_int_seek; - retrieveCtrl.tellf = record_int_tell; - fc.record_int_len = rec->size[recInfo_storeData]; - fc.record_int_buf = rec->info[recInfo_storeData]; - fc.record_int_pos = 0; - logf (LOG_DEBUG, "Internal retrieve. %d bytes", fc.record_int_len); - } -#if ZEBRASDR - else if (*fname == '%') - { - ZebraSdrHandle h; - int segment = 0, r; - char *cp, xname[128]; - unsigned char *buf; - - logf (LOG_DEBUG, "SDR"); - strcpy (xname, fname+1); - if ((cp = strrchr (xname, '.'))) + zebra_create_stream_mem(&stream, rec->info[recInfo_storeData], + rec->size[recInfo_storeData]); + if (raw_mode) { - *cp++ = 0; - segment = atoi(cp); - } - h = zebraSdr_open (xname); - if (!h) - { - logf (LOG_WARN, "sdr open %s", xname); - return 0; - } - if (zebraSdr_segment (h, &segment) < 0) - { - logf (LOG_WARN, "zebraSdr_segment fail segment=%d", - segment); + *output_format = VAL_SUTRS; + *rec_lenp = rec->size[recInfo_storeData]; + *rec_bufp = (char *) odr_malloc(odr, *rec_lenp); + memcpy(*rec_bufp, rec->info[recInfo_storeData], *rec_lenp); rec_rm (&rec); - return 14; - } - r = zebraSdr_read (h, &buf); - if (r < 1) - { - logf (LOG_WARN, "zebraSdr_read fail segment=%d", - segment); - rec_rm (&rec); - return 14; - } - zebraSdr_close (h); - - fc.record_int_len = recordAttr->recordSize; - fc.record_int_buf = buf + recordAttr->recordOffset; - fc.record_int_pos = 0; - - logf (LOG_LOG, "segment = %d len=%d off=%d", - segment, - recordAttr->recordSize, - recordAttr->recordOffset); - if (fc.record_int_len > 180) - { - logf (LOG_LOG, "%0.70s", fc.record_int_buf); - logf (LOG_LOG, "%0.70s", fc.record_int_buf + - (fc.record_int_len - 70)); + stream.destroy(&stream); + return 0; } - else - logf (LOG_LOG, "%0.*s", - fc.record_int_len, fc.record_int_buf); - - /* the following two lines makes rec_rm delete buf */ - rec->size[recInfo_storeData] = r; - rec->info[recInfo_storeData] = buf; - - retrieveCtrl.readf = record_int_read; - retrieveCtrl.seekf = record_int_seek; - retrieveCtrl.tellf = record_int_tell; } -#endif else { - if ((fc.fd = open (fname, O_BINARY|O_RDONLY)) == -1) + char full_rep[1024]; + int fd; + + if (zh->path_reg && !yaz_is_abspath (fname)) { - logf (LOG_WARN|LOG_ERRNO, "Retrieve fail; missing file: %s", - 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, "Retrieve fail; missing file: %s", + full_rep); rec_rm (&rec); + stream.destroy(&stream); return 14; } - fc.record_offset = recordAttr->recordOffset; - - retrieveCtrl.readf = record_ext_read; - retrieveCtrl.seekf = record_ext_seek; - retrieveCtrl.tellf = record_ext_tell; - record_ext_seek (retrieveCtrl.fh, 0); + zebra_create_stream_fd(&stream, fd, recordAttr->recordOffset); + if (raw_mode) + { + *output_format = VAL_SUTRS; + *rec_lenp = recordAttr->recordSize; + *rec_bufp = (char *) odr_malloc(odr, *rec_lenp); + stream.readf(&stream, *rec_bufp, *rec_lenp); + rec_rm (&rec); + stream.destroy(&stream); + return 0; + } } - retrieveCtrl.subType = subType; retrieveCtrl.localno = sysno; + retrieveCtrl.staticrank = recordAttr->staticrank; retrieveCtrl.score = score; retrieveCtrl.recordSize = recordAttr->recordSize; - retrieveCtrl.odr = stream; + retrieveCtrl.odr = odr; retrieveCtrl.input_format = retrieveCtrl.output_format = input_format; retrieveCtrl.comp = comp; + retrieveCtrl.encoding = zh->record_encoding; retrieveCtrl.diagnostic = 0; - retrieveCtrl.dh = zh->dh; - (*rt->retrieve)(&retrieveCtrl); + retrieveCtrl.addinfo = 0; + retrieveCtrl.dh = zh->reg->dh; + retrieveCtrl.res = zh->res; + retrieveCtrl.rec_buf = 0; + retrieveCtrl.rec_len = -1; + retrieveCtrl.hit_snippet = hit_snippet; + retrieveCtrl.doc_snippet = zebra_snippets_create(); + + if (1) + { + /* snippets code */ + zebra_snippets *snippet; + + zebra_rec_keys_t reckeys = zebra_rec_keys_open(); + + zebra_rec_keys_set_buf(reckeys, + rec->info[recInfo_delKeys], + rec->size[recInfo_delKeys], + 0); + zebra_snippets_rec_keys(zh, reckeys, retrieveCtrl.doc_snippet); + zebra_rec_keys_close(reckeys); + + +#if 0 + /* for debugging purposes */ + yaz_log(YLOG_LOG, "DOC SNIPPET:"); + zebra_snippets_log(retrieveCtrl.doc_snippet, YLOG_LOG); + yaz_log(YLOG_LOG, "HIT SNIPPET:"); + zebra_snippets_log(retrieveCtrl.hit_snippet, YLOG_LOG); +#endif + snippet = zebra_snippets_window(retrieveCtrl.doc_snippet, + retrieveCtrl.hit_snippet, + 10); +#if 0 + /* for debugging purposes */ + yaz_log(YLOG_LOG, "WINDOW SNIPPET:"); + zebra_snippets_log(snippet, YLOG_LOG); +#endif + (*rt->retrieve)(clientData, &retrieveCtrl); + + zebra_snippets_destroy(snippet); + } + else + { + (*rt->retrieve)(clientData, &retrieveCtrl); + } + + zebra_snippets_destroy(retrieveCtrl.doc_snippet); + *output_format = retrieveCtrl.output_format; - *rec_bufp = retrieveCtrl.rec_buf; + *rec_bufp = (char *) retrieveCtrl.rec_buf; *rec_lenp = retrieveCtrl.rec_len; - if (fc.fd != -1) - close (fc.fd); + + stream.destroy(&stream); + rec_rm (&rec); + *addinfo = retrieveCtrl.addinfo; return retrieveCtrl.diagnostic; } + +/* + * Local variables: + * c-basic-offset: 4 + * indent-tabs-mode: nil + * End: + * vim: shiftwidth=4 tabstop=8 expandtab + */ +