-/*
- * Copyright (C) 1995-1999, Index Data
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: retrieve.c,v $
- * Revision 1.10 1999-05-26 07:49:13 adam
- * C++ compilation.
- *
- * Revision 1.9 1999/05/20 12:57:18 adam
- * Implemented TCL filter. Updated recctrl system.
- *
- * Revision 1.8 1999/03/09 16:27:49 adam
- * More work on SDRKit integration.
- *
- * Revision 1.7 1999/03/02 16:15:43 quinn
- * Added "tagsysno" and "tagrank" directives to zebra.cfg.
- *
- * Revision 1.6 1999/02/18 15:01:25 adam
- * Minor changes.
- *
- * Revision 1.5 1999/02/17 11:29:56 adam
- * Fixed in record_fetch. Minor updates to API.
- *
- * Revision 1.4 1999/02/02 14:51:07 adam
- * Updated WIN32 code specific sections. Changed header.
- *
- * 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 1.48 2006-11-13 13:53:49 marc 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 <stdio.h>
#include <assert.h>
#ifdef WIN32
#include <io.h>
#include <process.h>
-#else
+#endif
+#if HAVE_UNISTD_H
#include <unistd.h>
#endif
-#include <recctrl.h>
-#include "zserver.h"
+#include "index.h"
+#include <yaz/diagbib1.h>
+#include <direntz.h>
-#ifndef ZEBRASDR
-#define ZEBRASDR 0
-#endif
+static void parse_zebra_elem(const char *elem,
+ const char **index, size_t *index_len,
+ const char **type, size_t *type_len)
+{
+ *type = 0;
+ *type_len = 0;
-#if ZEBRASDR
-#include "zebrasdr.h"
-#endif
+ *index = 0;
+ *index_len = 0;
-struct fetch_control {
- int record_offset;
- int record_int_pos;
- char *record_int_buf;
- int record_int_len;
- int fd;
-};
+ if (elem && *elem)
+ {
+ const char *cp = strchr(elem, ':');
-static int record_ext_read (void *fh, char *buf, size_t count)
-{
- struct fetch_control *fc = (struct fetch_control *) fh;
- return read (fc->fd, buf, count);
+ if (!cp) /* no colon */
+ {
+ *index = elem;
+ *index_len = strlen(elem);
+ }
+ else if (cp[1] == '\0') /* 'index:' */
+ {
+ *index = elem;
+ *index_len = cp - elem;
+ }
+ else
+ {
+ *index = elem;
+ *index_len = cp - elem;
+ *type = cp+1;
+ *type_len = strlen(cp+1);
+ }
+ }
}
-static off_t record_ext_seek (void *fh, off_t offset)
+int zebra_storekeys_fetch(ZebraHandle zh, SYSNO sysno, ODR odr,
+ Record rec,
+ const char *element_set,
+ oid_value input_format,
+ oid_value *output_format,
+ char **rec_bufp, int *rec_lenp)
{
- struct fetch_control *fc = (struct fetch_control *) fh;
- return lseek (fc->fd, offset + fc->record_offset, SEEK_SET);
-}
+ const char *retrieval_index;
+ size_t retrieval_index_len;
+ const char *retrieval_type;
+ size_t retrieval_type_len;
+
+ int return_code = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
-static off_t record_ext_tell (void *fh)
-{
- struct fetch_control *fc = (struct fetch_control *) fh;
- return lseek (fc->fd, 0, SEEK_CUR) - fc->record_offset;
-}
+ WRBUF wrbuf = wrbuf_alloc();
+ zebra_rec_keys_t keys;
+
-static off_t record_int_seek (void *fh, off_t offset)
-{
- struct fetch_control *fc = (struct fetch_control *) fh;
- return (off_t) (fc->record_int_pos = offset);
-}
+ /* only accept XML and SUTRS requests */
+ if (input_format != VAL_TEXT_XML
+ && input_format != VAL_SUTRS)
+ {
+ yaz_log(YLOG_WARN, "unsupported format for element set zebra::%s",
+ element_set);
+ *output_format = VAL_NONE;
+ return return_code;
+ }
-static off_t record_int_tell (void *fh)
-{
- struct fetch_control *fc = (struct fetch_control *) fh;
- return (off_t) fc->record_int_pos;
-}
-static int record_int_read (void *fh, char *buf, size_t count)
-{
- struct fetch_control *fc = (struct fetch_control *) 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;
-}
+ keys = zebra_rec_keys_open();
+ zebra_rec_keys_set_buf(keys,
+ rec->info[recInfo_delKeys],
+ rec->size[recInfo_delKeys],
+ 0);
+
+ parse_zebra_elem(element_set,
+ &retrieval_index, &retrieval_index_len,
+ &retrieval_type, &retrieval_type_len);
+
-int zebra_record_fetch (ZebraHandle zh, int sysno, int score, ODR stream,
- oid_value input_format, Z_RecordComposition *comp,
- oid_value *output_format, char **rec_bufp,
- int *rec_lenp, char **basenamep)
+
+
+
+ if (zebra_rec_keys_rewind(keys))
+ {
+ size_t slen;
+ const char *str;
+ struct it_key key_in;
+
+
+ if (input_format == VAL_TEXT_XML)
+ {
+ *output_format = VAL_TEXT_XML;
+ /*wrbuf_printf(wrbuf,
+ "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");*/
+
+ wrbuf_printf(wrbuf,
+ "<record xmlns="
+ "\"http://www.indexdata.com/zebra/\""
+ " sysno=\"" ZINT_FORMAT "\""
+ " set=\"zebra::%s\">\n",
+ sysno, element_set);
+ }
+ else if (input_format == VAL_SUTRS)
+ *output_format = VAL_SUTRS;
+
+
+ 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;
+ const char *string_index = 0;
+ size_t string_index_len;
+ char dst_buf[IT_MAX_WORD];
+
+ zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type, &db,
+ &string_index);
+ string_index_len = strlen(string_index);
+ if (retrieval_index == 0
+ || (string_index_len == retrieval_index_len
+ && !memcmp(string_index, retrieval_index,
+ string_index_len)))
+ {
+
+ if (retrieval_type == 0
+ || (retrieval_type_len == 1
+ && retrieval_type[0] == index_type))
+ {
+
+ if (input_format == VAL_TEXT_XML)
+ {
+ wrbuf_printf(wrbuf, " <index name=\"%s\"",
+ string_index);
+
+ wrbuf_printf(wrbuf, " type=\"%c\"", index_type);
+
+ wrbuf_printf(wrbuf, " seq=\"" ZINT_FORMAT "\">",
+ key_in.mem[key_in.len -1]);
+
+ zebra_term_untrans(zh, index_type, dst_buf, str);
+ wrbuf_xmlputs(wrbuf, dst_buf);
+ wrbuf_printf(wrbuf, "</index>\n");
+ }
+ else if (input_format == VAL_SUTRS)
+ {
+ wrbuf_printf(wrbuf, "%s ", string_index);
+
+ wrbuf_printf(wrbuf, "%c", index_type);
+
+ for (i = 1; i < key_in.len; i++)
+ wrbuf_printf(wrbuf, " " ZINT_FORMAT,
+ key_in.mem[i]);
+
+ zebra_term_untrans(zh, index_type, dst_buf, str);
+ wrbuf_printf(wrbuf, " %s", dst_buf);
+
+ wrbuf_printf(wrbuf, "\n");
+ }
+ }
+ }
+ }
+ if (input_format == VAL_TEXT_XML)
+ {
+ wrbuf_printf(wrbuf, "</record>\n");
+ }
+ }
+
+ *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;
+}
+
+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,
+ 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;
+ int return_code = 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);
- return 14;
+ yaz_log (YLOG_DEBUG, "rec_get fail on sysno=" ZINT_FORMAT, sysno);
+ *basenamep = 0;
+ return YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
}
- 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 = (char *) 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, &clientData)))
+ if (comp && comp->which == Z_RecordComp_simple
+ && comp->u.simple->which == Z_ElementSetNames_generic
+ && strncmp(comp->u.simple->u.generic, "zebra::", 7) == 0)
{
- logf (LOG_WARN, "Retrieve: Cannot handle type %s", file_type);
- return 14;
+ int r = zebra_storekeys_fetch(zh, sysno, odr, rec,
+ comp->u.simple->u.generic + 7,
+ input_format, output_format,
+ rec_bufp, rec_lenp);
+
+ rec_free(&rec);
+ return r;
}
- logf (LOG_DEBUG, "retrieve localno=%d score=%d", sysno, score);
- retrieveCtrl.fh = &fc;
- fc.fd = -1;
- if (rec->size[recInfo_storeData] > 0)
+
+ if (comp && comp->which == Z_RecordComp_simple &&
+ comp->u.simple->which == Z_ElementSetNames_generic &&
+ !strcmp (comp->u.simple->u.generic, "R"))
{
- 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);
+ raw_mode = 1;
}
-#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, '.')))
- {
- *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);
- 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, "%.70s", fc.record_int_buf);
- logf (LOG_LOG, "%.70s", fc.record_int_buf +
- (fc.record_int_len - 70));
- }
- else
- logf (LOG_LOG, "%.*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;
+ yaz_log (YLOG_DEBUG, "retrieve localno=" ZINT_FORMAT " score=%d",
+ sysno, score);
+ if (rec->size[recInfo_storeData] > 0)
+ {
+ zebra_create_stream_mem(&stream, rec->info[recInfo_storeData],
+ rec->size[recInfo_storeData]);
}
-#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))
+ {
+ 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, "Retrieve fail; missing file: %s",
- fname);
- rec_rm (&rec);
+ yaz_log (YLOG_WARN|YLOG_ERRNO, "Retrieve fail; missing file: %s",
+ full_rep);
+ rec_free(&rec);
return 14;
}
- fc.record_offset = recordAttr->recordOffset;
+ zebra_create_stream_fd(&stream, fd, recordAttr->recordOffset);
+ }
- retrieveCtrl.readf = record_ext_read;
- retrieveCtrl.seekf = record_ext_seek;
- retrieveCtrl.tellf = record_ext_tell;
+ 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);
+ }
+ else
+ {
+ /* snippets code */
+ zebra_snippets *snippet;
+ zebra_rec_keys_t reckeys = zebra_rec_keys_open();
+ RecType rt;
+ struct recRetrieveCtrl retrieveCtrl;
+
+ retrieveCtrl.stream = &stream;
+ retrieveCtrl.fname = fname;
+ retrieveCtrl.localno = sysno;
+ retrieveCtrl.staticrank = recordAttr->staticrank;
+ retrieveCtrl.score = score;
+ retrieveCtrl.recordSize = recordAttr->recordSize;
+ retrieveCtrl.odr = odr;
+ retrieveCtrl.input_format = retrieveCtrl.output_format = input_format;
+ retrieveCtrl.comp = comp;
+ retrieveCtrl.encoding = zh->record_encoding;
+ retrieveCtrl.diagnostic = 0;
+ 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();
+
+ zebra_rec_keys_set_buf(reckeys,
+ rec->info[recInfo_delKeys],
+ rec->size[recInfo_delKeys],
+ 0);
+ zebra_rec_keys_to_snippets(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
- record_ext_seek (retrieveCtrl.fh, 0);
+ if (!(rt = recType_byName (zh->reg->recTypes, zh->res,
+ file_type, &clientData)))
+ {
+ return_code = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+ }
+ else
+ {
+ (*rt->retrieve)(clientData, &retrieveCtrl);
+ return_code = retrieveCtrl.diagnostic;
+
+ *output_format = retrieveCtrl.output_format;
+ *rec_bufp = (char *) retrieveCtrl.rec_buf;
+ *rec_lenp = retrieveCtrl.rec_len;
+ *addinfo = retrieveCtrl.addinfo;
+ }
+ zebra_snippets_destroy(snippet);
+ zebra_snippets_destroy(retrieveCtrl.doc_snippet);
}
- retrieveCtrl.subType = subType;
- retrieveCtrl.localno = sysno;
- retrieveCtrl.score = score;
- retrieveCtrl.recordSize = recordAttr->recordSize;
- retrieveCtrl.odr = stream;
- retrieveCtrl.input_format = retrieveCtrl.output_format = input_format;
- retrieveCtrl.comp = comp;
- retrieveCtrl.diagnostic = 0;
- retrieveCtrl.dh = zh->dh;
- retrieveCtrl.res = zh->res;
- (*rt->retrieve)(clientData, &retrieveCtrl);
- *output_format = retrieveCtrl.output_format;
- *rec_bufp = (char *) retrieveCtrl.rec_buf;
- *rec_lenp = retrieveCtrl.rec_len;
- if (fc.fd != -1)
- close (fc.fd);
- rec_rm (&rec);
-
- return retrieveCtrl.diagnostic;
+ stream.destroy(&stream);
+ rec_free(&rec);
+
+ return return_code;
}
+
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+
projects / idzebra-moved-to-github.git / blobdiff