From: Marc Cromme Date: Tue, 14 Nov 2006 14:32:13 +0000 (+0000) Subject: re-organized record retrieval such that special element set names X-Git-Tag: ZEBRA.2.0.6~48 X-Git-Url: http://git.indexdata.com/?p=idzebra-moved-to-github.git;a=commitdiff_plain;h=7a41489c9fb0495b4baaad3a00190c5b5a876ead re-organized record retrieval such that special element set names zebra::index display all indexed terms from all indexes zebra::index::title display all terms from only title index zebra::index::title:p display all terms from only title index type p zebra::meta::sysno display only zebra internal record sysno zebra::data dislpay raw record binary data as SUTRS all work More testing with zebra:.data is needed Sitll missing zebra::meta::filename, zebra::meta::count, etc .. Better error messages would be an asset... --- diff --git a/index/retrieve.c b/index/retrieve.c index 6a1b65c..010c3c7 100644 --- a/index/retrieve.c +++ b/index/retrieve.c @@ -1,4 +1,4 @@ -/* $Id: retrieve.c,v 1.48 2006-11-13 13:53:49 marc Exp $ +/* $Id: retrieve.c,v 1.49 2006-11-14 14:32:13 marc Exp $ Copyright (C) 1995-2006 Index Data ApS @@ -36,6 +36,44 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA #include #include + + + +static int zebra_create_record_stream(ZebraHandle zh, + Record *rec, + struct ZebraRecStream *stream){ + + RecordAttr *recordAttr = rec_init_attr(zh->reg->zei, *rec); + + if ((*rec)->size[recInfo_storeData] > 0){ + zebra_create_stream_mem(stream, (*rec)->info[recInfo_storeData], + (*rec)->size[recInfo_storeData]); + } + else { + char full_rep[1024]; + int fd; + + if (zh->path_reg && !yaz_is_abspath((*rec)->info[recInfo_filename])){ + strcpy(full_rep, zh->path_reg); + strcat(full_rep, "/"); + strcat(full_rep, (*rec)->info[recInfo_filename]); + } + else + strcpy(full_rep, (*rec)->info[recInfo_filename]); + + if ((fd = open (full_rep, O_BINARY|O_RDONLY)) == -1){ + yaz_log (YLOG_WARN|YLOG_ERRNO, "Retrieve fail; missing file: %s", + full_rep); + rec_free(rec); + return 14; + } + zebra_create_stream_fd(stream, fd, recordAttr->recordOffset); + } + return 0; +} + + + static void parse_zebra_elem(const char *elem, const char **index, size_t *index_len, const char **type, size_t *type_len) @@ -70,9 +108,10 @@ static void parse_zebra_elem(const char *elem, } } -int zebra_storekeys_fetch(ZebraHandle zh, SYSNO sysno, ODR odr, + +int zebra_special_index_fetch(ZebraHandle zh, SYSNO sysno, ODR odr, Record rec, - const char *element_set, + const char *elemsetname, oid_value input_format, oid_value *output_format, char **rec_bufp, int *rec_lenp) @@ -82,63 +121,50 @@ int zebra_storekeys_fetch(ZebraHandle zh, SYSNO sysno, ODR odr, const char *retrieval_type; size_t retrieval_type_len; - int return_code = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS; + /* int return_code = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS; */ WRBUF wrbuf = wrbuf_alloc(); zebra_rec_keys_t keys; - /* only accept XML and SUTRS requests */ if (input_format != VAL_TEXT_XML - && input_format != VAL_SUTRS) - { + && input_format != VAL_SUTRS){ yaz_log(YLOG_WARN, "unsupported format for element set zebra::%s", - element_set); + elemsetname); *output_format = VAL_NONE; - return return_code; + return YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS; } - keys = zebra_rec_keys_open(); - zebra_rec_keys_set_buf(keys, - rec->info[recInfo_delKeys], - rec->size[recInfo_delKeys], - 0); + zebra_rec_keys_set_buf(keys, rec->info[recInfo_delKeys], + rec->size[recInfo_delKeys], 0); - parse_zebra_elem(element_set, + parse_zebra_elem(elemsetname, &retrieval_index, &retrieval_index_len, &retrieval_type, &retrieval_type_len); - - - - - if (zebra_rec_keys_rewind(keys)) - { + 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, - "\n");*/ - - wrbuf_printf(wrbuf, - "\n", - sysno, element_set); - } + if (input_format == VAL_TEXT_XML){ + *output_format = VAL_TEXT_XML; + /*wrbuf_printf(wrbuf, + "\n");*/ + + wrbuf_printf(wrbuf, + "\n", + sysno, elemsetname); + } else if (input_format == VAL_SUTRS) - *output_format = VAL_SUTRS; + *output_format = VAL_SUTRS; - while(zebra_rec_keys_read(keys, &str, &slen, &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; @@ -153,52 +179,46 @@ int zebra_storekeys_fetch(ZebraHandle zh, SYSNO sysno, ODR odr, if (retrieval_index == 0 || (string_index_len == retrieval_index_len && !memcmp(string_index, retrieval_index, - string_index_len))) - { + string_index_len))){ if (retrieval_type == 0 || (retrieval_type_len == 1 - && retrieval_type[0] == index_type)) - { + && retrieval_type[0] == index_type)){ - if (input_format == VAL_TEXT_XML) - { - wrbuf_printf(wrbuf, " ", + key_in.mem[key_in.len -1]); + + zebra_term_untrans(zh, index_type, dst_buf, str); + wrbuf_xmlputs(wrbuf, dst_buf); + wrbuf_printf(wrbuf, "\n"); + } + else if (input_format == VAL_SUTRS){ + wrbuf_printf(wrbuf, "%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, "\n"); - } - else if (input_format == VAL_SUTRS) - { - wrbuf_printf(wrbuf, "%s ", string_index); + wrbuf_printf(wrbuf, "%c", index_type); - 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"); - } + 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, "\n"); - } - } - + wrbuf_printf(wrbuf, "\n"); + } + *rec_lenp = wrbuf_len(wrbuf); *rec_bufp = odr_malloc(odr, *rec_lenp); memcpy(*rec_bufp, wrbuf_buf(wrbuf), *rec_lenp); @@ -206,6 +226,87 @@ int zebra_storekeys_fetch(ZebraHandle zh, SYSNO sysno, ODR odr, zebra_rec_keys_close(keys); return 0; } + + +int zebra_special_fetch(ZebraHandle zh, SYSNO sysno, ODR odr, + const char *elemsetname, + oid_value input_format, + oid_value *output_format, + char **rec_bufp, int *rec_lenp) +{ + Record rec; + + /* 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", + elemsetname); + return YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS; + } + + /* processing zebra::meta::sysno elemset without fetching binary data */ + if (elemsetname && 0 == strcmp(elemsetname, "meta::sysno")) + { + char rec_str[128]; + if (input_format == VAL_SUTRS){ + sprintf(rec_str, ZINT_FORMAT, sysno); + *output_format = VAL_SUTRS; + } + else if (input_format == VAL_TEXT_XML){ + sprintf(rec_str, "\n", + sysno, elemsetname); + *output_format = VAL_TEXT_XML; + } + *rec_lenp = strlen(rec_str); + if (*rec_lenp){ + *rec_bufp = odr_strdup(odr, rec_str); + return 0; + } else { + return YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS; + } + } + + /* fetching binary record up for all other display elementsets */ + rec = rec_get(zh->reg->records, sysno); + if (!rec){ + yaz_log(YLOG_DEBUG, "rec_get fail on sysno=" ZINT_FORMAT, sysno); + return YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS; + } + + /* processing special elementsetnames zebra::index:: */ + if (elemsetname && 0 == strncmp(elemsetname, "index::", 7)){ + + int ret = zebra_special_index_fetch(zh, sysno, odr, rec, + elemsetname + 7, + input_format, output_format, + rec_bufp, rec_lenp); + + rec_free(&rec); + return ret; + } + + /* processing special elementsetnames zebra::data */ + if (elemsetname && 0 == strcmp(elemsetname, "data")){ + struct ZebraRecStream stream; + RecordAttr *recordAttr = rec_init_attr(zh->reg->zei, rec); + zebra_create_record_stream(zh, &rec, &stream); + *output_format = VAL_SUTRS; + *rec_lenp = recordAttr->recordSize; + *rec_bufp = (char *) odr_malloc(odr, *rec_lenp); + stream.readf(&stream, *rec_bufp, *rec_lenp); + stream.destroy(&stream); + rec_free(&rec); + return 0; + } + + if (rec) + rec_free(&rec); + return YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS; +} + int zebra_record_fetch(ZebraHandle zh, SYSNO sysno, int score, zebra_snippets *hit_snippet, ODR odr, @@ -216,33 +317,35 @@ int zebra_record_fetch(ZebraHandle zh, SYSNO sysno, int score, { Record rec; char *fname, *file_type, *basename; + const char *elemsetname; struct ZebraRecStream stream; RecordAttr *recordAttr; void *clientData; - int raw_mode = 0; int return_code = 0; *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); + elemsetname = yaz_get_esn(comp); + + /* processing zebra special elementset names of form 'zebra:: */ + if (elemsetname && 0 == strncmp(elemsetname, "zebra::", 7)) + return zebra_special_fetch(zh, sysno, odr, + elemsetname + 7, + input_format, output_format, + rec_bufp, rec_lenp); + + + /* processing all other element set names */ + rec = rec_get(zh->reg->records, sysno); if (!rec) { - yaz_log (YLOG_DEBUG, "rec_get fail on sysno=" ZINT_FORMAT, sysno); + 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->reg->zei, rec); + + + recordAttr = rec_init_attr(zh->reg->zei, rec); file_type = rec->info[recInfo_fileType]; fname = rec->info[recInfo_filename]; @@ -250,64 +353,12 @@ int zebra_record_fetch(ZebraHandle zh, SYSNO sysno, int score, *basenamep = (char *) odr_malloc (odr, strlen(basename)+1); strcpy (*basenamep, basename); - if (comp && comp->which == Z_RecordComp_simple - && comp->u.simple->which == Z_ElementSetNames_generic - && strncmp(comp->u.simple->u.generic, "zebra::", 7) == 0) - { - 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; - } - if (comp && comp->which == Z_RecordComp_simple && - comp->u.simple->which == Z_ElementSetNames_generic && - !strcmp (comp->u.simple->u.generic, "R")) - { - raw_mode = 1; - } 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]); - } - else - { - 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) - { - yaz_log (YLOG_WARN|YLOG_ERRNO, "Retrieve fail; missing file: %s", - full_rep); - rec_free(&rec); - return 14; - } - 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); - } - else + zebra_create_record_stream(zh, &rec, &stream); + { /* snippets code */ zebra_snippets *snippet; @@ -374,7 +425,8 @@ int zebra_record_fetch(ZebraHandle zh, SYSNO sysno, int score, } zebra_snippets_destroy(snippet); zebra_snippets_destroy(retrieveCtrl.doc_snippet); - } + } + stream.destroy(&stream); rec_free(&rec);