- FILE *outf = fopen("/tmp/apdu.txt", "a");
- if (a && outf)
- {
- ODR odr_pr = odr_createmem(ODR_PRINT);
- fprintf(outf, "a=%p\n", a);
- odr_setprint(odr_pr, outf);
- z_APDU(odr_pr, &a, 0, 0);
- odr_destroy(odr_pr);
- }
- yaz_log(log_api, "%p encoding_APDU: encoding failed", c);
- set_ZOOM_error(c, ZOOM_ERROR_ENCODE, 0);
- odr_reset(out);
- return -1;
- }
- if (c->odr_print)
- z_APDU(c->odr_print, &a, 0, 0);
- yaz_log(log_details, "%p encoding_APDU encoding OK", c);
- return 0;
-}
-
-static zoom_ret send_APDU(ZOOM_connection c, Z_APDU *a)
-{
- ZOOM_Event event;
- assert(a);
- if (encode_APDU(c, a, c->odr_out))
- return zoom_complete;
- yaz_log(log_details, "%p send APDU type=%d", c, a->which);
- c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
- event = ZOOM_Event_create(ZOOM_EVENT_SEND_APDU);
- ZOOM_connection_put_event(c, event);
- odr_reset(c->odr_out);
- return do_write(c);
-}
-
-/* returns 1 if PDU was sent OK (still pending )
- 0 if PDU was not sent OK (nothing to wait for)
-*/
-
-static zoom_ret ZOOM_connection_send_init(ZOOM_connection c)
-{
- Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_initRequest);
- Z_InitRequest *ireq = apdu->u.initRequest;
- Z_IdAuthentication *auth = (Z_IdAuthentication *)
- odr_malloc(c->odr_out, sizeof(*auth));
-
- ODR_MASK_SET(ireq->options, Z_Options_search);
- ODR_MASK_SET(ireq->options, Z_Options_present);
- ODR_MASK_SET(ireq->options, Z_Options_scan);
- ODR_MASK_SET(ireq->options, Z_Options_sort);
- ODR_MASK_SET(ireq->options, Z_Options_extendedServices);
- ODR_MASK_SET(ireq->options, Z_Options_namedResultSets);
-
- ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_1);
- ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_2);
- ODR_MASK_SET(ireq->protocolVersion, Z_ProtocolVersion_3);
-
- ireq->implementationId =
- odr_prepend(c->odr_out,
- ZOOM_options_get(c->options, "implementationId"),
- ireq->implementationId);
-
- ireq->implementationName =
- odr_prepend(c->odr_out,
- ZOOM_options_get(c->options, "implementationName"),
- odr_prepend(c->odr_out, "ZOOM-C",
- ireq->implementationName));
-
- ireq->implementationVersion =
- odr_prepend(c->odr_out,
- ZOOM_options_get(c->options, "implementationVersion"),
- ireq->implementationVersion);
-
- *ireq->maximumRecordSize = c->maximum_record_size;
- *ireq->preferredMessageSize = c->preferred_message_size;
-
- if (c->group || c->password)
- {
- Z_IdPass *pass = (Z_IdPass *) odr_malloc(c->odr_out, sizeof(*pass));
- pass->groupId = odr_strdup_null(c->odr_out, c->group);
- pass->userId = odr_strdup_null(c->odr_out, c->user);
- pass->password = odr_strdup_null(c->odr_out, c->password);
- auth->which = Z_IdAuthentication_idPass;
- auth->u.idPass = pass;
- ireq->idAuthentication = auth;
- }
- else if (c->user)
- {
- auth->which = Z_IdAuthentication_open;
- auth->u.open = odr_strdup(c->odr_out, c->user);
- ireq->idAuthentication = auth;
- }
- if (c->proxy)
- {
- yaz_oi_set_string_oid(&ireq->otherInfo, c->odr_out,
- yaz_oid_userinfo_proxy, 1, c->host_port);
- }
- if (c->charset || c->lang)
- {
- Z_OtherInformation **oi;
- Z_OtherInformationUnit *oi_unit;
-
- yaz_oi_APDU(apdu, &oi);
-
- if ((oi_unit = yaz_oi_update(oi, c->odr_out, NULL, 0, 0)))
- {
- ODR_MASK_SET(ireq->options, Z_Options_negotiationModel);
- oi_unit->which = Z_OtherInfo_externallyDefinedInfo;
- oi_unit->information.externallyDefinedInfo =
- yaz_set_proposal_charneg_list(c->odr_out, " ",
- c->charset, c->lang, 1);
- }
- }
- assert(apdu);
- return send_APDU(c, apdu);
-}
-
-#if YAZ_HAVE_XML2
-static zoom_ret send_srw(ZOOM_connection c, Z_SRW_PDU *sr)
-{
- Z_GDU *gdu;
- ZOOM_Event event;
- const char *database = ZOOM_options_get(c->options, "databaseName");
- char *fdatabase = 0;
-
- if (database)
- fdatabase = yaz_encode_sru_dbpath_odr(c->odr_out, database);
- gdu = z_get_HTTP_Request_host_path(c->odr_out, c->host_port,
- fdatabase ? fdatabase : c->path);
-
- if (c->sru_mode == zoom_sru_get)
- {
- yaz_sru_get_encode(gdu->u.HTTP_Request, sr, c->odr_out, c->charset);
- }
- else if (c->sru_mode == zoom_sru_post)
- {
- yaz_sru_post_encode(gdu->u.HTTP_Request, sr, c->odr_out, c->charset);
- }
- else if (c->sru_mode == zoom_sru_soap)
- {
- yaz_sru_soap_encode(gdu->u.HTTP_Request, sr, c->odr_out, c->charset);
- }
- if (!z_GDU(c->odr_out, &gdu, 0, 0))
- return zoom_complete;
- if (c->odr_print)
- z_GDU(c->odr_print, &gdu, 0, 0);
- c->buf_out = odr_getbuf(c->odr_out, &c->len_out, 0);
-
- event = ZOOM_Event_create(ZOOM_EVENT_SEND_APDU);
- ZOOM_connection_put_event(c, event);
- odr_reset(c->odr_out);
- return do_write(c);
-}
-#endif
-
-#if YAZ_HAVE_XML2
-static Z_SRW_PDU *ZOOM_srw_get_pdu(ZOOM_connection c, int type)
-{
- Z_SRW_PDU *sr = yaz_srw_get_pdu(c->odr_out, type, c->sru_version);
- sr->username = c->user;
- sr->password = c->password;
- return sr;
-}
-#endif
-
-#if YAZ_HAVE_XML2
-static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
-{
- int i;
- int *start, *count;
- ZOOM_resultset resultset = 0;
- Z_SRW_PDU *sr = 0;
- const char *option_val = 0;
-
- if (c->error) /* don't continue on error */
- return zoom_complete;
- assert(c->tasks);
- switch(c->tasks->which)
- {
- case ZOOM_TASK_SEARCH:
- resultset = c->tasks->u.search.resultset;
- if (!resultset->setname)
- resultset->setname = xstrdup("default");
- ZOOM_options_set(resultset->options, "setname", resultset->setname);
- start = &c->tasks->u.search.start;
- count = &c->tasks->u.search.count;
- break;
- case ZOOM_TASK_RETRIEVE:
- resultset = c->tasks->u.retrieve.resultset;
-
- start = &c->tasks->u.retrieve.start;
- count = &c->tasks->u.retrieve.count;
-
- if (*start >= resultset->size)
- return zoom_complete;
- if (*start + *count > resultset->size)
- *count = resultset->size - *start;
-
- for (i = 0; i < *count; i++)
- {
- ZOOM_record rec =
- record_cache_lookup(resultset, i + *start,
- c->tasks->u.retrieve.syntax,
- c->tasks->u.retrieve.elementSetName);
- if (!rec)
- break;
- else
- {
- ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_RECV_RECORD);
- ZOOM_connection_put_event(c, event);
- }
- }
- *start += i;
- *count -= i;
-
- if (*count == 0)
- return zoom_complete;
- break;
- default:
- return zoom_complete;
- }
- assert(resultset->query);
-
- sr = ZOOM_srw_get_pdu(c, Z_SRW_searchRetrieve_request);
- if (resultset->query->z_query->which == Z_Query_type_104
- && resultset->query->z_query->u.type_104->which == Z_External_CQL)
- {
- sr->u.request->query_type = Z_SRW_query_type_cql;
- sr->u.request->query.cql =resultset->query->z_query->u.type_104->u.cql;
- }
- else if (resultset->query->z_query->which == Z_Query_type_1 &&
- resultset->query->z_query->u.type_1)
- {
- sr->u.request->query_type = Z_SRW_query_type_pqf;
- sr->u.request->query.pqf = resultset->query->query_string;
- }
- else
- {
- set_ZOOM_error(c, ZOOM_ERROR_UNSUPPORTED_QUERY, 0);
- return zoom_complete;
- }
- sr->u.request->startRecord = odr_intdup(c->odr_out, *start + 1);
- sr->u.request->maximumRecords = odr_intdup(
- c->odr_out, (resultset->step > 0 && resultset->step < *count) ?
- resultset->step : *count);
- sr->u.request->recordSchema = resultset->schema;
-
- option_val = ZOOM_resultset_option_get(resultset, "recordPacking");
- if (option_val)
- sr->u.request->recordPacking = odr_strdup(c->odr_out, option_val);
-
- option_val = ZOOM_resultset_option_get(resultset, "extraArgs");
- yaz_encode_sru_extra(sr, c->odr_out, option_val);
- return send_srw(c, sr);
-}
-#else
-static zoom_ret ZOOM_connection_srw_send_search(ZOOM_connection c)
-{
- return zoom_complete;
-}
-#endif
-
-static zoom_ret ZOOM_connection_send_search(ZOOM_connection c)
-{
- ZOOM_resultset r;
- int lslb, ssub, mspn;
- const char *syntax;
- Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_searchRequest);
- Z_SearchRequest *search_req = apdu->u.searchRequest;
- const char *elementSetName;
- const char *smallSetElementSetName;
- const char *mediumSetElementSetName;
-
- assert(c->tasks);
- assert(c->tasks->which == ZOOM_TASK_SEARCH);
-
- r = c->tasks->u.search.resultset;
-
- yaz_log(log_details, "%p ZOOM_connection_send_search set=%p", c, r);
-
- elementSetName =
- ZOOM_options_get(r->options, "elementSetName");
- smallSetElementSetName =
- ZOOM_options_get(r->options, "smallSetElementSetName");
- mediumSetElementSetName =
- ZOOM_options_get(r->options, "mediumSetElementSetName");
-
- if (!smallSetElementSetName)
- smallSetElementSetName = elementSetName;
-
- if (!mediumSetElementSetName)
- mediumSetElementSetName = elementSetName;
-
- assert(r);
- assert(r->query);
-
- /* prepare query for the search request */
- search_req->query = r->query->z_query;
- if (!search_req->query)
- {
- set_ZOOM_error(c, ZOOM_ERROR_INVALID_QUERY, 0);
- return zoom_complete;
- }
- if (r->query->z_query->which == Z_Query_type_1 ||
- r->query->z_query->which == Z_Query_type_101)
- {
- const char *cp = ZOOM_options_get(r->options, "rpnCharset");
- if (cp)
- {
- yaz_iconv_t cd = yaz_iconv_open(cp, "UTF-8");
- if (cd)
- {
- int r;
- search_req->query = yaz_copy_Z_Query(search_req->query,
- c->odr_out);
-
- r = yaz_query_charset_convert_rpnquery_check(
- search_req->query->u.type_1,
- c->odr_out, cd);
- yaz_iconv_close(cd);
- if (r)
- { /* query could not be char converted */
- set_ZOOM_error(c, ZOOM_ERROR_INVALID_QUERY, 0);
- return zoom_complete;
- }
- }
- }
- }
- search_req->databaseNames = r->databaseNames;
- search_req->num_databaseNames = r->num_databaseNames;
-
- /* get syntax (no need to provide unless piggyback is in effect) */
- syntax = c->tasks->u.search.syntax;
-
- lslb = ZOOM_options_get_int(r->options, "largeSetLowerBound", -1);
- ssub = ZOOM_options_get_int(r->options, "smallSetUpperBound", -1);
- mspn = ZOOM_options_get_int(r->options, "mediumSetPresentNumber", -1);
- if (lslb != -1 && ssub != -1 && mspn != -1)
- {
- /* So're a Z39.50 expert? Let's hope you don't do sort */
- *search_req->largeSetLowerBound = lslb;
- *search_req->smallSetUpperBound = ssub;
- *search_req->mediumSetPresentNumber = mspn;
- }
- else if (c->tasks->u.search.start == 0 && c->tasks->u.search.count > 0
- && r->piggyback && !r->r_sort_spec && !r->schema)
- {
- /* Regular piggyback - do it unless we're going to do sort */
- *search_req->largeSetLowerBound = 2000000000;
- *search_req->smallSetUpperBound = 1;
- *search_req->mediumSetPresentNumber =
- r->step>0 ? r->step : c->tasks->u.search.count;
- }
- else
- {
- /* non-piggyback. Need not provide elementsets or syntaxes .. */
- smallSetElementSetName = 0;
- mediumSetElementSetName = 0;
- syntax = 0;
- }
- if (smallSetElementSetName && *smallSetElementSetName)
- {
- Z_ElementSetNames *esn = (Z_ElementSetNames *)
- odr_malloc(c->odr_out, sizeof(*esn));
-
- esn->which = Z_ElementSetNames_generic;
- esn->u.generic = odr_strdup(c->odr_out, smallSetElementSetName);
- search_req->smallSetElementSetNames = esn;
- }
- if (mediumSetElementSetName && *mediumSetElementSetName)
- {
- Z_ElementSetNames *esn =(Z_ElementSetNames *)
- odr_malloc(c->odr_out, sizeof(*esn));
-
- esn->which = Z_ElementSetNames_generic;
- esn->u.generic = odr_strdup(c->odr_out, mediumSetElementSetName);
- search_req->mediumSetElementSetNames = esn;
- }
- if (syntax)
- search_req->preferredRecordSyntax =
- zoom_yaz_str_to_z3950oid(c, CLASS_RECSYN, syntax);
-
- if (!r->setname)
- {
- if (c->support_named_resultsets)
- {
- char setname[14];
- int ord;
- /* find the lowest unused ordinal so that we re-use
- result sets on the server. */
- for (ord = 1; ; ord++)
- {
- ZOOM_resultset rp;
- sprintf(setname, "%d", ord);
- for (rp = c->resultsets; rp; rp = rp->next)
- if (rp->setname && !strcmp(rp->setname, setname))
- break;
- if (!rp)
- break;
- }
- r->setname = xstrdup(setname);
- yaz_log(log_details, "%p ZOOM_connection_send_search: allocating "
- "set %s", c, r->setname);
- }
- else
- {
- yaz_log(log_details, "%p ZOOM_connection_send_search: using "
- "default set", c);
- r->setname = xstrdup("default");
- }
- ZOOM_options_set(r->options, "setname", r->setname);
- }
- search_req->resultSetName = odr_strdup(c->odr_out, r->setname);
- return send_APDU(c, apdu);
-}
-
-static void response_default_diag(ZOOM_connection c, Z_DefaultDiagFormat *r)
-{
- char oid_name_buf[OID_STR_MAX];
- const char *oid_name;
- char *addinfo = 0;
-
- oid_name = yaz_oid_to_string_buf(r->diagnosticSetId, 0, oid_name_buf);
- switch (r->which)
- {
- case Z_DefaultDiagFormat_v2Addinfo:
- addinfo = r->u.v2Addinfo;
- break;
- case Z_DefaultDiagFormat_v3Addinfo:
- addinfo = r->u.v3Addinfo;
- break;
- }
- xfree(c->addinfo);
- c->addinfo = 0;
- set_dset_error(c, *r->condition, oid_name, addinfo, 0);
-}
-
-static void response_diag(ZOOM_connection c, Z_DiagRec *p)
-{
- if (p->which != Z_DiagRec_defaultFormat)
- set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
- else
- response_default_diag(c, p->u.defaultFormat);
-}
-
-ZOOM_API(ZOOM_record)
- ZOOM_record_clone(ZOOM_record srec)
-{
- char *buf;
- int size;
- ODR odr_enc;
- ZOOM_record nrec;
-
- odr_enc = odr_createmem(ODR_ENCODE);
- if (!z_NamePlusRecord(odr_enc, &srec->npr, 0, 0))
- return 0;
- buf = odr_getbuf(odr_enc, &size, 0);
-
- nrec = (ZOOM_record) xmalloc(sizeof(*nrec));
- nrec->odr = odr_createmem(ODR_DECODE);
- nrec->wrbuf = 0;
-#if YAZ_HAVE_XML2
- nrec->xml_mem = 0;
- nrec->xml_size = 0;
-#endif
- odr_setbuf(nrec->odr, buf, size, 0);
- z_NamePlusRecord(nrec->odr, &nrec->npr, 0, 0);
-
- nrec->schema = odr_strdup_null(nrec->odr, srec->schema);
- nrec->diag_uri = odr_strdup_null(nrec->odr, srec->diag_uri);
- nrec->diag_message = odr_strdup_null(nrec->odr, srec->diag_message);
- nrec->diag_details = odr_strdup_null(nrec->odr, srec->diag_details);
- nrec->diag_set = odr_strdup_null(nrec->odr, srec->diag_set);
- odr_destroy(odr_enc);
- return nrec;
-}
-
-ZOOM_API(ZOOM_record)
- ZOOM_resultset_record_immediate(ZOOM_resultset s,size_t pos)
-{
- const char *syntax =
- ZOOM_options_get(s->options, "preferredRecordSyntax");
- const char *elementSetName =
- ZOOM_options_get(s->options, "elementSetName");
-
- return record_cache_lookup(s, pos, syntax, elementSetName);
-}
-
-ZOOM_API(ZOOM_record)
- ZOOM_resultset_record(ZOOM_resultset r, size_t pos)
-{
- ZOOM_record rec = ZOOM_resultset_record_immediate(r, pos);
-
- if (!rec)
- {
- /*
- * MIKE: I think force_sync should always be zero, but I don't
- * want to make this change until I get the go-ahead from
- * Adam, in case something depends on the old synchronous
- * behaviour.
- */
- int force_sync = 1;
- if (getenv("ZOOM_RECORD_NO_FORCE_SYNC")) force_sync = 0;
- ZOOM_resultset_retrieve(r, force_sync, pos, 1);
- rec = ZOOM_resultset_record_immediate(r, pos);
- }
- return rec;
-}
-
-ZOOM_API(void)
- ZOOM_record_destroy(ZOOM_record rec)
-{
- ZOOM_record_release(rec);
- xfree(rec);
-}
-
-
-static yaz_iconv_t iconv_create_charset(const char *record_charset)
-{
- char to[40];
- char from[40];
- yaz_iconv_t cd = 0;
-
- *from = '\0';
- strcpy(to, "UTF-8");
- if (record_charset && *record_charset)
- {
- /* Use "from,to" or just "from" */
- const char *cp = strchr(record_charset, ',');
- size_t clen = strlen(record_charset);
- if (cp && cp[1])
- {
- strncpy( to, cp+1, sizeof(to)-1);
- to[sizeof(to)-1] = '\0';
- clen = cp - record_charset;
- }
- if (clen > sizeof(from)-1)
- clen = sizeof(from)-1;
-
- if (clen)
- strncpy(from, record_charset, clen);
- from[clen] = '\0';
- }
- if (*from && *to)
- cd = yaz_iconv_open(to, from);
- return cd;
-}
-
-static const char *return_marc_record(ZOOM_record rec, int marc_type,
- int *len,
- const char *buf, int sz,
- const char *record_charset)
-{
- yaz_iconv_t cd = iconv_create_charset(record_charset);
- yaz_marc_t mt = yaz_marc_create();
- const char *ret_string = 0;
-
- if (cd)
- yaz_marc_iconv(mt, cd);
- yaz_marc_xml(mt, marc_type);
- if (!rec->wrbuf)
- rec->wrbuf = wrbuf_alloc();
- wrbuf_rewind(rec->wrbuf);
- if (yaz_marc_decode_wrbuf(mt, buf, sz, rec->wrbuf) > 0)
- {
- if (len)
- *len = wrbuf_len(rec->wrbuf);
- ret_string = wrbuf_cstr(rec->wrbuf);
- }
- yaz_marc_destroy(mt);
- if (cd)
- yaz_iconv_close(cd);
- return ret_string;
-}
-
-static const char *return_opac_record(ZOOM_record rec, int marc_type,
- int *len,
- Z_OPACRecord *opac_rec,
- const char *record_charset)
-{
- yaz_iconv_t cd = iconv_create_charset(record_charset);
- yaz_marc_t mt = yaz_marc_create();
-
- if (cd)
- yaz_marc_iconv(mt, cd);
- yaz_marc_xml(mt, marc_type);
-
- if (!rec->wrbuf)
- rec->wrbuf = wrbuf_alloc();
- wrbuf_rewind(rec->wrbuf);
-
- yaz_opac_decode_wrbuf(mt, opac_rec, rec->wrbuf);
- yaz_marc_destroy(mt);
-
- if (cd)
- yaz_iconv_close(cd);
- if (len)
- *len = wrbuf_len(rec->wrbuf);
- return wrbuf_cstr(rec->wrbuf);
-}
-
-static const char *return_string_record(ZOOM_record rec, int *len,
- const char *buf, int sz,
- const char *record_charset)
-{
- yaz_iconv_t cd = iconv_create_charset(record_charset);
-
- if (cd)
- {
- if (!rec->wrbuf)
- rec->wrbuf = wrbuf_alloc();
-
- wrbuf_rewind(rec->wrbuf);
-
- wrbuf_iconv_write(rec->wrbuf, cd, buf, sz);
- wrbuf_iconv_reset(rec->wrbuf, cd);
-
- buf = wrbuf_cstr(rec->wrbuf);
- sz = wrbuf_len(rec->wrbuf);
- yaz_iconv_close(cd);
- }
- if (len)
- *len = sz;
- return buf;
-}
-
-static const char *return_record(ZOOM_record rec, int *len,
- Z_NamePlusRecord *npr,
- int marctype, const char *charset)
-{
- Z_External *r = (Z_External *) npr->u.databaseRecord;
- const Odr_oid *oid = r->direct_reference;
-
- /* render bibliographic record .. */
- if (r->which == Z_External_OPAC)
- {
- return return_opac_record(rec, marctype, len,
- r->u.opac, charset);
- }
- if (r->which == Z_External_sutrs)
- return return_string_record(rec, len,
- (char*) r->u.sutrs->buf,
- r->u.sutrs->len,
- charset);
- else if (r->which == Z_External_octet)
- {
- if (yaz_oid_is_iso2709(oid))
- {
- const char *ret_buf = return_marc_record(
- rec, marctype, len,
- (const char *) r->u.octet_aligned->buf,
- r->u.octet_aligned->len,
- charset);
- if (ret_buf)
- return ret_buf;
- /* bad ISO2709. Return fail unless raw (ISO2709) is wanted */
- if (marctype != YAZ_MARC_ISO2709)
- return 0;
- }
- return return_string_record(rec, len,
- (const char *) r->u.octet_aligned->buf,
- r->u.octet_aligned->len,
- charset);
- }
- else if (r->which == Z_External_grs1)
- {
- if (!rec->wrbuf)
- rec->wrbuf = wrbuf_alloc();
- wrbuf_rewind(rec->wrbuf);
- yaz_display_grs1(rec->wrbuf, r->u.grs1, 0);
- return return_string_record(rec, len,
- wrbuf_buf(rec->wrbuf),
- wrbuf_len(rec->wrbuf),
- charset);
- }
- return 0;
-}
-
-
-ZOOM_API(int)
- ZOOM_record_error(ZOOM_record rec, const char **cp,
- const char **addinfo, const char **diagset)
-{
- Z_NamePlusRecord *npr;
-
- if (!rec)
- return 0;
-
- npr = rec->npr;
- if (rec->diag_uri)
- {
- if (cp)
- *cp = rec->diag_message;
- if (addinfo)
- *addinfo = rec->diag_details;
- if (diagset)
- *diagset = rec->diag_set;
- return uri_to_code(rec->diag_uri);
- }
- if (npr && npr->which == Z_NamePlusRecord_surrogateDiagnostic)
- {
- Z_DiagRec *diag_rec = npr->u.surrogateDiagnostic;
- int error = YAZ_BIB1_UNSPECIFIED_ERROR;
- const char *add = 0;
-
- if (diag_rec->which == Z_DiagRec_defaultFormat)
- {
- Z_DefaultDiagFormat *ddf = diag_rec->u.defaultFormat;
- oid_class oclass;
-
- error = *ddf->condition;
- switch (ddf->which)
- {
- case Z_DefaultDiagFormat_v2Addinfo:
- add = ddf->u.v2Addinfo;
- break;
- case Z_DefaultDiagFormat_v3Addinfo:
- add = ddf->u.v3Addinfo;
- break;
- }
- if (diagset)
- *diagset =
- yaz_oid_to_string(yaz_oid_std(),
- ddf->diagnosticSetId, &oclass);
- }
- else
- {
- if (diagset)
- *diagset = "Bib-1";
- }
- if (addinfo)
- *addinfo = add ? add : "";
- if (cp)
- *cp = diagbib1_str(error);
- return error;
- }
- return 0;
-}
-
-static const char *get_record_format(ZOOM_record rec, int *len,
- Z_NamePlusRecord *npr,
- int marctype, const char *charset,
- const char *format)
-{
- const char *res = return_record(rec, len, npr, marctype, charset);
-#if YAZ_HAVE_XML2
- if (*format == '1' && len)
- {
- /* try to XML format res */
- xmlKeepBlanksDefault(0);
- xmlDocPtr doc = xmlParseMemory(res, *len);
- if (doc)
- {
- if (rec->xml_mem)
- xmlFree(rec->xml_mem);
- xmlDocDumpFormatMemory(doc, &rec->xml_mem, &rec->xml_size, 1);
- xmlFreeDoc(doc);
- res = (char *) rec->xml_mem;
- *len = rec->xml_size;
- }
- }
-#endif
- return res;
-}
-
-
-ZOOM_API(const char *)
- ZOOM_record_get(ZOOM_record rec, const char *type_spec, int *len)
-{
- char type[40];
- char charset[40];
- char format[3];
- const char *cp;
- size_t i;
- Z_NamePlusRecord *npr;
-
- if (len)
- *len = 0; /* default return */
-
- if (!rec)
- return 0;
- npr = rec->npr;
- if (!npr)
- return 0;
-
- cp = type_spec;
- for (i = 0; cp[i] && cp[i] != ';' && cp[i] != ' ' && i < sizeof(type)-1;
- i++)
- type[i] = cp[i];
- type[i] = '\0';
- charset[0] = '\0';
- format[0] = '\0';
- while (1)
- {
- while (cp[i] == ' ')
- i++;
- if (cp[i] != ';')
- break;
- i++;
- while (cp[i] == ' ')
- i++;
- if (!strncmp(cp + i, "charset=", 8))
- {
- size_t j = 0;
- i = i + 8; /* skip charset= */
- for (j = 0; cp[i] && cp[i] != ';' && cp[i] != ' '; i++)
- {
- if (j < sizeof(charset)-1)
- charset[j++] = cp[i];
- }
- charset[j] = '\0';
- }
- else if (!strncmp(cp + i, "format=", 7))
- {
- size_t j = 0;
- i = i + 7;
- for (j = 0; cp[i] && cp[i] != ';' && cp[i] != ' '; i++)
- {
- if (j < sizeof(format)-1)
- format[j++] = cp[i];
- }
- format[j] = '\0';
- }
- }
- if (!strcmp(type, "database"))
- {
- if (len)
- *len = (npr->databaseName ? strlen(npr->databaseName) : 0);
- return npr->databaseName;
- }
- else if (!strcmp(type, "schema"))
- {
- if (len)
- *len = rec->schema ? strlen(rec->schema) : 0;
- return rec->schema;
- }
- else if (!strcmp(type, "syntax"))
- {
- const char *desc = 0;
- if (npr->which == Z_NamePlusRecord_databaseRecord)
- {
- Z_External *r = (Z_External *) npr->u.databaseRecord;
- desc = yaz_oid_to_string(yaz_oid_std(), r->direct_reference, 0);
- }
- if (!desc)
- desc = "none";
- if (len)
- *len = strlen(desc);
- return desc;
- }
- if (npr->which != Z_NamePlusRecord_databaseRecord)
- return 0;
-
- /* from now on - we have a database record .. */
- if (!strcmp(type, "render"))
- {
- return get_record_format(rec, len, npr, YAZ_MARC_LINE, charset, format);
- }
- else if (!strcmp(type, "xml"))
- {
- return get_record_format(rec, len, npr, YAZ_MARC_MARCXML, charset,
- format);
- }
- else if (!strcmp(type, "raw"))
- {
- return get_record_format(rec, len, npr, YAZ_MARC_ISO2709, charset,
- format);
- }
- else if (!strcmp(type, "ext"))
- {
- if (len) *len = -1;
- return (const char *) npr->u.databaseRecord;
- }
- else if (!strcmp(type, "opac"))
- {
- if (npr->u.databaseRecord->which == Z_External_OPAC)
- return get_record_format(rec, len, npr, YAZ_MARC_MARCXML, charset,
- format);
- }
- return 0;
-}
-
-static int strcmp_null(const char *v1, const char *v2)
-{
- if (!v1 && !v2)
- return 0;
- if (!v1 || !v2)
- return -1;
- return strcmp(v1, v2);
-}
-
-static size_t record_hash(int pos)
-{
- if (pos < 0)
- pos = 0;
- return pos % RECORD_HASH_SIZE;
-}
-
-static void record_cache_add(ZOOM_resultset r, Z_NamePlusRecord *npr,
- int pos,
- const char *syntax, const char *elementSetName,
- const char *schema,
- Z_SRW_diagnostic *diag)
-{
- ZOOM_record_cache rc = 0;
-
- ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_RECV_RECORD);
- ZOOM_connection_put_event(r->connection, event);
-
- for (rc = r->record_hash[record_hash(pos)]; rc; rc = rc->next)
- {
- if (pos == rc->pos
- && strcmp_null(r->schema, rc->schema) == 0
- && strcmp_null(elementSetName,rc->elementSetName) == 0
- && strcmp_null(syntax, rc->syntax) == 0)
- break;
- }
- if (!rc)
- {
- rc = (ZOOM_record_cache) odr_malloc(r->odr, sizeof(*rc));
- rc->rec.odr = 0;
- rc->rec.wrbuf = 0;
-#if YAZ_HAVE_XML2
- rc->rec.xml_mem = 0;
-#endif
- rc->elementSetName = odr_strdup_null(r->odr, elementSetName);
-
- rc->syntax = odr_strdup_null(r->odr, syntax);
-
- rc->schema = odr_strdup_null(r->odr, r->schema);
-
- rc->pos = pos;
- rc->next = r->record_hash[record_hash(pos)];
- r->record_hash[record_hash(pos)] = rc;
- }
- rc->rec.npr = npr;
- rc->rec.schema = odr_strdup_null(r->odr, schema);
- rc->rec.diag_set = 0;
- rc->rec.diag_uri = 0;
- rc->rec.diag_message = 0;
- rc->rec.diag_details = 0;
- if (diag)
- {
- if (diag->uri)
- {
- char *cp;
- rc->rec.diag_set = odr_strdup(r->odr, diag->uri);
- if ((cp = strrchr(rc->rec.diag_set, '/')))
- *cp = '\0';
- rc->rec.diag_uri = odr_strdup(r->odr, diag->uri);
- }
- rc->rec.diag_message = odr_strdup_null(r->odr, diag->message);
- rc->rec.diag_details = odr_strdup_null(r->odr, diag->details);
- }
-}
-
-static ZOOM_record record_cache_lookup(ZOOM_resultset r, int pos,
- const char *syntax,
- const char *elementSetName)
-{
- ZOOM_record_cache rc;
-
- for (rc = r->record_hash[record_hash(pos)]; rc; rc = rc->next)
- {
- if (pos == rc->pos)
- {
- if (strcmp_null(r->schema, rc->schema))
- continue;
- if (strcmp_null(elementSetName,rc->elementSetName))
- continue;
- if (strcmp_null(syntax, rc->syntax))
- continue;
- return &rc->rec;
- }
- }
- return 0;
-}
-
-static void handle_records(ZOOM_connection c, Z_Records *sr,
- int present_phase)
-{
- ZOOM_resultset resultset;
- int *start, *count;
- const char *syntax = 0, *elementSetName = 0;
-
- if (!c->tasks)
- return ;
- switch (c->tasks->which)
- {
- case ZOOM_TASK_SEARCH:
- resultset = c->tasks->u.search.resultset;
- start = &c->tasks->u.search.start;
- count = &c->tasks->u.search.count;
- syntax = c->tasks->u.search.syntax;
- elementSetName = c->tasks->u.search.elementSetName;
- break;
- case ZOOM_TASK_RETRIEVE:
- resultset = c->tasks->u.retrieve.resultset;
- start = &c->tasks->u.retrieve.start;
- count = &c->tasks->u.retrieve.count;
- syntax = c->tasks->u.retrieve.syntax;
- elementSetName = c->tasks->u.retrieve.elementSetName;
- break;
- default:
- return;
- }
- if (sr && sr->which == Z_Records_NSD)
- response_default_diag(c, sr->u.nonSurrogateDiagnostic);
- else if (sr && sr->which == Z_Records_multipleNSD)
- {
- if (sr->u.multipleNonSurDiagnostics->num_diagRecs >= 1)
- response_diag(c, sr->u.multipleNonSurDiagnostics->diagRecs[0]);
- else
- set_ZOOM_error(c, ZOOM_ERROR_DECODE, 0);
- }
- else
- {
- if (*count + *start > resultset->size)
- *count = resultset->size - *start;
- if (*count < 0)
- *count = 0;
- if (sr && sr->which == Z_Records_DBOSD)
- {
- int i;
- NMEM nmem = odr_extract_mem(c->odr_in);
- Z_NamePlusRecordList *p =
- sr->u.databaseOrSurDiagnostics;
- for (i = 0; i<p->num_records; i++)
- {
- record_cache_add(resultset, p->records[i], i + *start,
- syntax, elementSetName,
- elementSetName, 0);
- }
- *count -= i;
- if (*count < 0)
- *count = 0;
- *start += i;
- yaz_log(log_details,
- "handle_records resultset=%p start=%d count=%d",
- resultset, *start, *count);
-
- /* transfer our response to search_nmem .. we need it later */
- nmem_transfer(odr_getmem(resultset->odr), nmem);
- nmem_destroy(nmem);
- if (present_phase && p->num_records == 0)
- {
- /* present response and we didn't get any records! */
- Z_NamePlusRecord *myrec =
- zget_surrogateDiagRec(resultset->odr, 0, 14, 0);
- record_cache_add(resultset, myrec, *start,
- syntax, elementSetName, 0, 0);
- }
- }
- else if (present_phase)
- {
- /* present response and we didn't get any records! */
- Z_NamePlusRecord *myrec =
- zget_surrogateDiagRec(resultset->odr, 0, 14, 0);
- record_cache_add(resultset, myrec, *start, syntax, elementSetName,
- 0, 0);
- }
- }
-}
-
-static void handle_present_response(ZOOM_connection c, Z_PresentResponse *pr)
-{
- handle_records(c, pr->records, 1);
-}
-
-static void handle_queryExpressionTerm(ZOOM_options opt, const char *name,
- Z_Term *term)
-{
- switch (term->which)
- {
- case Z_Term_general:
- ZOOM_options_setl(opt, name,
- (const char *)(term->u.general->buf),
- term->u.general->len);
- break;
- case Z_Term_characterString:
- ZOOM_options_set(opt, name, term->u.characterString);
- break;
- case Z_Term_numeric:
- ZOOM_options_set_int(opt, name, *term->u.numeric);
- break;
- }
-}
-
-static void handle_queryExpression(ZOOM_options opt, const char *name,
- Z_QueryExpression *exp)
-{
- char opt_name[80];
-
- switch (exp->which)
- {
- case Z_QueryExpression_term:
- if (exp->u.term && exp->u.term->queryTerm)
- {
- sprintf(opt_name, "%s.term", name);
- handle_queryExpressionTerm(opt, opt_name, exp->u.term->queryTerm);
- }
- break;
- case Z_QueryExpression_query:
- break;
- }
-}
-
-static void handle_searchResult(ZOOM_connection c, ZOOM_resultset resultset,
- Z_OtherInformation *o)
-{
- int i;
- for (i = 0; o && i < o->num_elements; i++)
- {
- if (o->list[i]->which == Z_OtherInfo_externallyDefinedInfo)
- {
- Z_External *ext = o->list[i]->information.externallyDefinedInfo;
-
- if (ext->which == Z_External_searchResult1)
- {
- int j;
- Z_SearchInfoReport *sr = ext->u.searchResult1;
-
- if (sr->num)
- ZOOM_options_set_int(
- resultset->options, "searchresult.size", sr->num);
-
- for (j = 0; j < sr->num; j++)
- {
- Z_SearchInfoReport_s *ent =
- ext->u.searchResult1->elements[j];
- char pref[80];
-
- sprintf(pref, "searchresult.%d", j);
-
- if (ent->subqueryId)
- {
- char opt_name[80];
- sprintf(opt_name, "%s.id", pref);
- ZOOM_options_set(resultset->options, opt_name,
- ent->subqueryId);
- }
- if (ent->subqueryExpression)
- {
- char opt_name[80];
- sprintf(opt_name, "%s.subquery", pref);
- handle_queryExpression(resultset->options, opt_name,
- ent->subqueryExpression);
- }
- if (ent->subqueryInterpretation)
- {
- char opt_name[80];
- sprintf(opt_name, "%s.interpretation", pref);
- handle_queryExpression(resultset->options, opt_name,
- ent->subqueryInterpretation);
- }
- if (ent->subqueryRecommendation)
- {
- char opt_name[80];
- sprintf(opt_name, "%s.recommendation", pref);
- handle_queryExpression(resultset->options, opt_name,
- ent->subqueryRecommendation);
- }
- if (ent->subqueryCount)
- {
- char opt_name[80];
- sprintf(opt_name, "%s.count", pref);
- ZOOM_options_set_int(resultset->options, opt_name,
- *ent->subqueryCount);
- }
- }
- }
- }
- }
-}
-
-static void handle_search_response(ZOOM_connection c, Z_SearchResponse *sr)
-{
- ZOOM_resultset resultset;
- ZOOM_Event event;
-
- if (!c->tasks || c->tasks->which != ZOOM_TASK_SEARCH)
- return ;
-
- event = ZOOM_Event_create(ZOOM_EVENT_RECV_SEARCH);
- ZOOM_connection_put_event(c, event);
-
- resultset = c->tasks->u.search.resultset;
-
- if (sr->resultSetStatus)
- {
- ZOOM_options_set_int(resultset->options, "resultSetStatus",
- *sr->resultSetStatus);
- }
- if (sr->presentStatus)
- {
- ZOOM_options_set_int(resultset->options, "presentStatus",
- *sr->presentStatus);
- }
- handle_searchResult(c, resultset, sr->additionalSearchInfo);
-
- resultset->size = *sr->resultCount;
- handle_records(c, sr->records, 0);
-}
-
-static void sort_response(ZOOM_connection c, Z_SortResponse *res)
-{
- if (res->diagnostics && res->num_diagnostics > 0)
- response_diag(c, res->diagnostics[0]);
-}
-
-static int scan_response(ZOOM_connection c, Z_ScanResponse *res)
-{
- NMEM nmem = odr_extract_mem(c->odr_in);
- ZOOM_scanset scan;
-
- if (!c->tasks || c->tasks->which != ZOOM_TASK_SCAN)
- return 0;
- scan = c->tasks->u.scan.scan;
-
- if (res->entries && res->entries->nonsurrogateDiagnostics)
- response_diag(c, res->entries->nonsurrogateDiagnostics[0]);
- scan->scan_response = res;
- scan->srw_scan_response = 0;
- nmem_transfer(odr_getmem(scan->odr), nmem);
- if (res->stepSize)
- ZOOM_options_set_int(scan->options, "stepSize", *res->stepSize);
- if (res->positionOfTerm)
- ZOOM_options_set_int(scan->options, "position", *res->positionOfTerm);
- if (res->scanStatus)
- ZOOM_options_set_int(scan->options, "scanStatus", *res->scanStatus);
- if (res->numberOfEntriesReturned)
- ZOOM_options_set_int(scan->options, "number",
- *res->numberOfEntriesReturned);
- nmem_destroy(nmem);
- return 1;
-}
-
-static zoom_ret send_sort(ZOOM_connection c,
- ZOOM_resultset resultset)
-{
- if (c->error)
- resultset->r_sort_spec = 0;
- if (resultset->r_sort_spec)
- {
- Z_APDU *apdu = zget_APDU(c->odr_out, Z_APDU_sortRequest);
- Z_SortRequest *req = apdu->u.sortRequest;
-
- req->num_inputResultSetNames = 1;
- req->inputResultSetNames = (Z_InternationalString **)
- odr_malloc(c->odr_out, sizeof(*req->inputResultSetNames));
- req->inputResultSetNames[0] =
- odr_strdup(c->odr_out, resultset->setname);
- req->sortedResultSetName = odr_strdup(c->odr_out, resultset->setname);
- req->sortSequence = resultset->r_sort_spec;
- resultset->r_sort_spec = 0;
- return send_APDU(c, apdu);
- }
- return zoom_complete;
-}
-
-static zoom_ret send_present(ZOOM_connection c)
-{
- Z_APDU *apdu = 0;
- Z_PresentRequest *req = 0;
- int i = 0;
- const char *syntax = 0;
- const char *elementSetName = 0;
- ZOOM_resultset resultset;
- int *start, *count;
-
- if (!c->tasks)
- {
- yaz_log(log_details, "%p send_present no tasks", c);
- return zoom_complete;
- }
-
- switch (c->tasks->which)
- {
- case ZOOM_TASK_SEARCH:
- resultset = c->tasks->u.search.resultset;
- start = &c->tasks->u.search.start;
- count = &c->tasks->u.search.count;
- syntax = c->tasks->u.search.syntax;
- elementSetName = c->tasks->u.search.elementSetName;
- break;
- case ZOOM_TASK_RETRIEVE:
- resultset = c->tasks->u.retrieve.resultset;
- start = &c->tasks->u.retrieve.start;
- count = &c->tasks->u.retrieve.count;
- syntax = c->tasks->u.retrieve.syntax;
- elementSetName = c->tasks->u.retrieve.elementSetName;
- break;
- default:
- return zoom_complete;
- }
- yaz_log(log_details, "%p send_present start=%d count=%d",
- c, *start, *count);
-
- if (*start < 0 || *count < 0 || *start + *count > resultset->size)
- {
- set_dset_error(c, YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE, "Bib-1",
- "", 0);
- }
- if (c->error) /* don't continue on error */
- return zoom_complete;
- yaz_log(log_details, "send_present resultset=%p start=%d count=%d",
- resultset, *start, *count);
-
- for (i = 0; i < *count; i++)
- {
- ZOOM_record rec =
- record_cache_lookup(resultset, i + *start, syntax, elementSetName);
- if (!rec)
- break;
- else
- {
- ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_RECV_RECORD);
- ZOOM_connection_put_event(c, event);
- }
- }
- *start += i;
- *count -= i;
-
- if (*count == 0)
- {
- yaz_log(log_details, "%p send_present skip=%d no more to fetch", c, i);
- return zoom_complete;
- }
-
- apdu = zget_APDU(c->odr_out, Z_APDU_presentRequest);
- req = apdu->u.presentRequest;
-
- if (i)
- yaz_log(log_details, "%p send_present skip=%d", c, i);
-
- *req->resultSetStartPoint = *start + 1;
-
- if (resultset->step > 0 && resultset->step < *count)
- *req->numberOfRecordsRequested = resultset->step;
- else
- *req->numberOfRecordsRequested = *count;
-
- if (*req->numberOfRecordsRequested + *start > resultset->size)
- *req->numberOfRecordsRequested = resultset->size - *start;
- assert(*req->numberOfRecordsRequested > 0);
-
- if (syntax && *syntax)
- req->preferredRecordSyntax =
- zoom_yaz_str_to_z3950oid(c, CLASS_RECSYN, syntax);
-
- if (resultset->schema && *resultset->schema)
- {
- Z_RecordComposition *compo = (Z_RecordComposition *)
- odr_malloc(c->odr_out, sizeof(*compo));
-
- req->recordComposition = compo;
- compo->which = Z_RecordComp_complex;
- compo->u.complex = (Z_CompSpec *)
- odr_malloc(c->odr_out, sizeof(*compo->u.complex));
- compo->u.complex->selectAlternativeSyntax = (bool_t *)
- odr_malloc(c->odr_out, sizeof(bool_t));
- *compo->u.complex->selectAlternativeSyntax = 0;
-
- compo->u.complex->generic = (Z_Specification *)
- odr_malloc(c->odr_out, sizeof(*compo->u.complex->generic));
-
- compo->u.complex->generic->which = Z_Schema_oid;
- compo->u.complex->generic->schema.oid = (Odr_oid *)
- zoom_yaz_str_to_z3950oid (c, CLASS_SCHEMA, resultset->schema);
-
- if (!compo->u.complex->generic->schema.oid)
- {
- /* OID wasn't a schema! Try record syntax instead. */
-
- compo->u.complex->generic->schema.oid = (Odr_oid *)
- zoom_yaz_str_to_z3950oid (c, CLASS_RECSYN, resultset->schema);
- }
- if (elementSetName && *elementSetName)
- {
- compo->u.complex->generic->elementSpec = (Z_ElementSpec *)
- odr_malloc(c->odr_out, sizeof(Z_ElementSpec));
- compo->u.complex->generic->elementSpec->which =
- Z_ElementSpec_elementSetName;
- compo->u.complex->generic->elementSpec->u.elementSetName =
- odr_strdup(c->odr_out, elementSetName);
- }
- else
- compo->u.complex->generic->elementSpec = 0;
- compo->u.complex->num_dbSpecific = 0;
- compo->u.complex->dbSpecific = 0;
- compo->u.complex->num_recordSyntax = 0;
- compo->u.complex->recordSyntax = 0;
- }
- else if (elementSetName && *elementSetName)
- {
- Z_ElementSetNames *esn = (Z_ElementSetNames *)
- odr_malloc(c->odr_out, sizeof(*esn));
- Z_RecordComposition *compo = (Z_RecordComposition *)
- odr_malloc(c->odr_out, sizeof(*compo));
-
- esn->which = Z_ElementSetNames_generic;
- esn->u.generic = odr_strdup(c->odr_out, elementSetName);
- compo->which = Z_RecordComp_simple;
- compo->u.simple = esn;
- req->recordComposition = compo;