X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Fretrieve.c;h=d75e937783d473e485644fd9065d604f2fa93ea3;hb=3fe5d30485d3fc95b24ee5e7dc75971447ecb5aa;hp=ca3cc745e357ae3a566f9ab5eb750c673a4e6b84;hpb=d4451321ac90adc2c6c52d7d07fadc5af632a59a;p=idzebra-moved-to-github.git diff --git a/index/retrieve.c b/index/retrieve.c index ca3cc74..d75e937 100644 --- a/index/retrieve.c +++ b/index/retrieve.c @@ -1,4 +1,4 @@ -/* $Id: retrieve.c,v 1.46 2006-11-09 14:39:24 adam Exp $ +/* $Id: retrieve.c,v 1.60 2006-11-29 09:01:53 marc Exp $ Copyright (C) 1995-2006 Index Data ApS @@ -36,49 +36,227 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA #include #include -int zebra_storedata_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) + +#define ZEBRA_XML_HEADER_STR "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 int parse_zebra_elem(const char *elem, + const char **index, size_t *index_len, + const char **type, size_t *type_len) { - 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)) + *index = 0; + *index_len = 0; + + *type = 0; + *type_len = 0; + + if (elem && *elem) + { + char *cp; + /* verify that '::' is in the beginning of *elem + and something more follows */ + if (':' != *elem + || !(elem +1) || ':' != *(elem +1) + || !(elem +2) || '\0' == *(elem +2)) + return 0; + + /* pick out info from string after '::' */ + elem = elem + 2; + cp = strchr(elem, ':'); + + if (!cp) /* index, no colon, no type */ + { + *index = elem; + *index_len = strlen(elem); + } + else if (cp[1] == '\0') /* colon, but no following type */ + { + return 0; + } + else /* index, colon and type */ + { + *index = elem; + *index_len = cp - elem; + *type = cp+1; + *type_len = strlen(cp+1); + } + } + return 1; +} + + +int zebra_special_index_fetch(ZebraHandle zh, zint sysno, ODR odr, + Record rec, + const char *elemsetname, + oid_value input_format, + oid_value *output_format, + char **rec_bufp, int *rec_lenp) +{ + const char *retrieval_index; + size_t retrieval_index_len; + const char *retrieval_type; + size_t retrieval_type_len; + WRBUF wrbuf = 0; + zebra_rec_keys_t keys; + + /* set output variables before processing possible error states */ + /* *rec_lenp = 0; */ + + /* 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); + *output_format = VAL_NONE; + return YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST; + } + + if (!parse_zebra_elem(elemsetname, + &retrieval_index, &retrieval_index_len, + &retrieval_type, &retrieval_type_len)) + return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_; + + if (retrieval_type_len != 0 && retrieval_type_len != 1) { + return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_; + } + + if (retrieval_index_len) + { + char retrieval_index_cstr[256]; + + if (retrieval_index_len < sizeof(retrieval_index_cstr) -1) + { + memcpy(retrieval_index_cstr, retrieval_index, retrieval_index_len); + retrieval_index_cstr[retrieval_index_len] = '\0'; + + if (zebraExplain_lookup_attr_str(zh->reg->zei, + zinfo_index_category_index, + (retrieval_type_len == 0 ? -1 : + retrieval_type[0]), + retrieval_index_cstr) == -1) + return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_; + } + } + + keys = zebra_rec_keys_open(); + zebra_rec_keys_set_buf(keys, rec->info[recInfo_delKeys], + rec->size[recInfo_delKeys], 0); + + wrbuf = wrbuf_alloc(); + 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)) + + if (input_format == VAL_TEXT_XML) { + *output_format = VAL_TEXT_XML; + wrbuf_printf(wrbuf, ZEBRA_XML_HEADER_STR + " sysno=\"" ZINT_FORMAT "\"" + " set=\"zebra::index%s/\">\n", + sysno, elemsetname); + } + 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); - - if (string_index) - wrbuf_printf(wrbuf, "%s", string_index); - - 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"); - + string_index_len = strlen(string_index); + + /* process only if index is not defined, + or if defined and matching */ + if (retrieval_index == 0 + || (string_index_len == retrieval_index_len + && !memcmp(string_index, retrieval_index, + string_index_len))){ + + /* process only if type is not defined, or is matching */ + if (retrieval_type == 0 + || (retrieval_type_len == 1 + && retrieval_type[0] == index_type)){ + + + zebra_term_untrans(zh, index_type, dst_buf, str); + if (strlen(dst_buf)){ + + if (input_format == VAL_TEXT_XML){ + wrbuf_printf(wrbuf, " ", + key_in.mem[key_in.len -1]); + + 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); + + 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"); + } + } + + } + } } - } - *output_format = VAL_SUTRS; + if (input_format == VAL_TEXT_XML) + wrbuf_printf(wrbuf, "\n"); + } *rec_lenp = wrbuf_len(wrbuf); *rec_bufp = odr_malloc(odr, *rec_lenp); memcpy(*rec_bufp, wrbuf_buf(wrbuf), *rec_lenp); @@ -86,8 +264,184 @@ int zebra_storedata_fetch(ZebraHandle zh, SYSNO sysno, ODR odr, zebra_rec_keys_close(keys); return 0; } + + +static void retrieve_puts_attr(WRBUF wrbuf, const char *name, + const char *value) +{ + if (value) + { + wrbuf_printf(wrbuf, " %s=\"", name); + wrbuf_xmlputs(wrbuf, value); + wrbuf_printf(wrbuf, "\""); + } +} + +static void retrieve_puts_attr_int(WRBUF wrbuf, const char *name, + const int value) +{ + wrbuf_printf(wrbuf, " %s=\"%i\"", name, value); +} + +static void retrieve_puts_str(WRBUF wrbuf, const char *name, + const char *value) +{ + if (value) + wrbuf_printf(wrbuf, "%s %s\n", name, value); +} + +static void retrieve_puts_int(WRBUF wrbuf, const char *name, + const int value) +{ + wrbuf_printf(wrbuf, "%s %i\n", name, value); +} + +int zebra_special_fetch(ZebraHandle zh, zint sysno, int score, ODR odr, + const char *elemsetname, + oid_value input_format, + oid_value *output_format, + char **rec_bufp, int *rec_lenp) +{ + Record rec; + + /* set output variables before processing possible error states */ + /* *rec_lenp = 0; */ + + + + /* processing zebra::meta::sysno elemset without fetching binary data */ + if (elemsetname && 0 == strcmp(elemsetname, "meta::sysno")) + { + int ret = 0; + WRBUF wrbuf = wrbuf_alloc(); + if (input_format == VAL_SUTRS) + { + wrbuf_printf(wrbuf, ZINT_FORMAT, sysno); + *output_format = VAL_SUTRS; + } + else if (input_format == VAL_TEXT_XML) + { + wrbuf_printf(wrbuf, ZEBRA_XML_HEADER_STR + " sysno=\"" ZINT_FORMAT "\"/>\n", + sysno); + *output_format = VAL_TEXT_XML; + } + *rec_lenp = wrbuf_len(wrbuf); + if (*rec_lenp) + *rec_bufp = odr_strdup(odr, wrbuf_buf(wrbuf)); + else + ret = YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST; + wrbuf_free(wrbuf, 1); + return ret; + } + + /* fetching binary record up for all other display elementsets */ + rec = rec_get(zh->reg->records, sysno); + if (!rec) + { + yaz_log(YLOG_WARN, "rec_get fail on sysno=" ZINT_FORMAT, sysno); + return YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS; + } + + /* 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 = input_format; + *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; + } + + /* only accept XML and SUTRS requests from now */ + 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_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST; + } + + + /* processing special elementsetnames zebra::meta:: */ + if (elemsetname && 0 == strcmp(elemsetname, "meta")) + { + int ret = 0; + WRBUF wrbuf = wrbuf_alloc(); + RecordAttr *recordAttr = rec_init_attr(zh->reg->zei, rec); + + if (input_format == VAL_TEXT_XML) + { + *output_format = VAL_TEXT_XML; + + wrbuf_printf(wrbuf, ZEBRA_XML_HEADER_STR + " sysno=\"" ZINT_FORMAT "\"", sysno); + retrieve_puts_attr(wrbuf, "base", rec->info[recInfo_databaseName]); + retrieve_puts_attr(wrbuf, "file", rec->info[recInfo_filename]); + retrieve_puts_attr(wrbuf, "type", rec->info[recInfo_fileType]); + if (score >= 0) + retrieve_puts_attr_int(wrbuf, "score", score); + + wrbuf_printf(wrbuf, + " rank=\"" ZINT_FORMAT "\"" + " size=\"%i\"" + " set=\"zebra::%s\"/>\n", + recordAttr->staticrank, + recordAttr->recordSize, + elemsetname); + } + else if (input_format == VAL_SUTRS) + { + *output_format = VAL_SUTRS; + wrbuf_printf(wrbuf, "sysno " ZINT_FORMAT "\n", sysno); + retrieve_puts_str(wrbuf, "base", rec->info[recInfo_databaseName]); + retrieve_puts_str(wrbuf, "file", rec->info[recInfo_filename]); + retrieve_puts_str(wrbuf, "type", rec->info[recInfo_fileType]); + if (score >= 0) + retrieve_puts_int(wrbuf, "score", score); + + wrbuf_printf(wrbuf, + "rank " ZINT_FORMAT "\n" + "size %i\n" + "set zebra::%s\n", + recordAttr->staticrank, + recordAttr->recordSize, + elemsetname); + } + *rec_lenp = wrbuf_len(wrbuf); + if (*rec_lenp) + *rec_bufp = odr_strdup(odr, wrbuf_buf(wrbuf)); + else + ret = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS; + + wrbuf_free(wrbuf, 1); + rec_free(&rec); + return ret; + } + + /* processing special elementsetnames zebra::index:: */ + if (elemsetname && 0 == strncmp(elemsetname, "index", 5)){ + + int ret = zebra_special_index_fetch(zh, sysno, odr, rec, + elemsetname + 5, + input_format, output_format, + rec_bufp, rec_lenp); + + rec_free(&rec); + return ret; + } + + if (rec) + rec_free(&rec); + return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_; +} + -int zebra_record_fetch(ZebraHandle zh, SYSNO sysno, int score, +int zebra_record_fetch(ZebraHandle zh, zint sysno, int score, zebra_snippets *hit_snippet, ODR odr, oid_value input_format, Z_RecordComposition *comp, oid_value *output_format, @@ -96,33 +450,35 @@ 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, score, 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_WARN, "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]; @@ -130,64 +486,11 @@ 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:", 6) == 0) - { - int r = zebra_storedata_fetch(zh, sysno, odr, rec, - comp->u.simple->u.generic, - 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); - } + yaz_log(YLOG_DEBUG, "retrieve localno=" ZINT_FORMAT " score=%d", + sysno, score); - 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; @@ -237,8 +540,8 @@ int zebra_record_fetch(ZebraHandle zh, SYSNO sysno, int score, zebra_snippets_log(snippet, YLOG_LOG); #endif - if (!(rt = recType_byName (zh->reg->recTypes, zh->res, - file_type, &clientData))) + if (!(rt = recType_byName(zh->reg->recTypes, zh->res, + file_type, &clientData))) { return_code = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS; } @@ -252,9 +555,11 @@ int zebra_record_fetch(ZebraHandle zh, SYSNO sysno, int score, *rec_lenp = retrieveCtrl.rec_len; *addinfo = retrieveCtrl.addinfo; } + zebra_snippets_destroy(snippet); zebra_snippets_destroy(retrieveCtrl.doc_snippet); - } + } + stream.destroy(&stream); rec_free(&rec);