+bool
+yf::SRUtoZ3950::Impl::z3950_present_request(mp::Package &package,
+ mp::odr &odr_en,
+ Z_SRW_PDU *sru_pdu_res,
+ Z_SRW_searchRetrieveRequest
+ const *sr_req)
+ const
+{
+ assert(sru_pdu_res->u.response);
+
+ if (!sr_req)
+ return false;
+
+
+ // no need to work if nobody wants record ..
+ if (!(sr_req->maximumRecords) || 0 == *(sr_req->maximumRecords))
+ return true;
+
+ bool send_z3950_present = true;
+
+ // recordXPath unsupported.
+ if (sr_req->recordXPath)
+ {
+ send_z3950_present = false;
+ yaz_add_srw_diagnostic(odr_en,
+ &(sru_pdu_res->u.response->diagnostics),
+ &(sru_pdu_res->u.response->num_diagnostics),
+ 72, 0);
+ }
+
+ // resultSetTTL unsupported.
+ // resultSetIdleTime in response
+ if (sr_req->resultSetTTL)
+ {
+ send_z3950_present = false;
+ yaz_add_srw_diagnostic(odr_en,
+ &(sru_pdu_res->u.response->diagnostics),
+ &(sru_pdu_res->u.response->num_diagnostics),
+ 50, 0);
+ }
+
+ // sort unsupported
+ if (sr_req->sort_type != Z_SRW_sort_type_none)
+ {
+ send_z3950_present = false;
+ yaz_add_srw_diagnostic(odr_en,
+ &(sru_pdu_res->u.response->diagnostics),
+ &(sru_pdu_res->u.response->num_diagnostics),
+ 80, 0);
+ }
+
+ // start record requested negative, or larger than number of records
+ if (sr_req->startRecord
+ &&
+ ((*(sr_req->startRecord) < 0) // negative
+ ||
+ (sru_pdu_res->u.response->numberOfRecords //out of range
+ && *(sr_req->startRecord)
+ > *(sru_pdu_res->u.response->numberOfRecords))
+ ))
+ {
+ send_z3950_present = false;
+ yaz_add_srw_diagnostic(odr_en,
+ &(sru_pdu_res->u.response->diagnostics),
+ &(sru_pdu_res->u.response->num_diagnostics),
+ 61, 0);
+ }
+
+ // maximumRecords requested negative
+ if (sr_req->maximumRecords
+ && *(sr_req->maximumRecords) < 0)
+
+ {
+ send_z3950_present = false;
+ yaz_add_srw_diagnostic(odr_en,
+ &(sru_pdu_res->u.response->diagnostics),
+ &(sru_pdu_res->u.response->num_diagnostics),
+ 6, "maximumRecords");
+ }
+
+ // exit on all these above diagnostics
+ if (!send_z3950_present)
+ return false;
+
+ // now packaging the z3950 present request
+ Package z3950_package(package.session(), package.origin());
+ z3950_package.copy_filter(package);
+ Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_presentRequest);
+
+ assert(apdu->u.presentRequest);
+
+ // z3950'fy start record position
+ if (sr_req->startRecord)
+ *(apdu->u.presentRequest->resultSetStartPoint)
+ = *(sr_req->startRecord);
+ else
+ *(apdu->u.presentRequest->resultSetStartPoint) = 1;
+
+ // z3950'fy number of records requested
+ // protect against requesting records out of range
+ if (sr_req->maximumRecords)
+ *(apdu->u.presentRequest->numberOfRecordsRequested)
+ = std::min(*(sr_req->maximumRecords),
+ *(sru_pdu_res->u.response->numberOfRecords)
+ - *(apdu->u.presentRequest->resultSetStartPoint)
+ + 1);
+
+ // z3950'fy recordPacking
+ int record_packing = Z_SRW_recordPacking_XML;
+ if (sr_req->recordPacking && 's' == *(sr_req->recordPacking))
+ record_packing = Z_SRW_recordPacking_string;
+
+ // RecordSyntax will always be XML
+ apdu->u.presentRequest->preferredRecordSyntax
+ = odr_oiddup(odr_en, yaz_oid_recsyn_xml);
+
+ // z3950'fy record schema
+ if (sr_req->recordSchema)
+ {
+ apdu->u.presentRequest->recordComposition
+ = (Z_RecordComposition *)
+ odr_malloc(odr_en, sizeof(Z_RecordComposition));
+ apdu->u.presentRequest->recordComposition->which
+ = Z_RecordComp_simple;
+ apdu->u.presentRequest->recordComposition->u.simple
+ = mp_util::build_esn_from_schema(odr_en,
+ (const char *) sr_req->recordSchema);
+ }
+
+ // z3950'fy time to live - flagged as diagnostics above
+ //if (sr_req->resultSetTTL)
+
+ // attaching Z3950 package to filter chain
+ z3950_package.request() = apdu;
+
+ // sending Z30.50 present request
+ z3950_package.move();
+
+ //check successful Z3950 present response
+ Z_GDU *z3950_gdu = z3950_package.response().get();
+ if (!z3950_gdu || z3950_gdu->which != Z_GDU_Z3950
+ || z3950_gdu->u.z3950->which != Z_APDU_presentResponse
+ || !z3950_gdu->u.z3950->u.presentResponse)
+
+ {
+ yaz_add_srw_diagnostic(odr_en,
+ &(sru_pdu_res->u.response->diagnostics),
+ &(sru_pdu_res->u.response->num_diagnostics),
+ 2, 0);
+ return false;
+ }
+
+
+ // everything fine, continuing
+
+ Z_PresentResponse *pr = z3950_gdu->u.z3950->u.presentResponse;
+ Z_SRW_searchRetrieveResponse *sru_res = sru_pdu_res->u.response;
+
+
+ // checking non surrogate diagnostics in Z3950 present response package
+ if (!z3950_to_srw_diagnostics_ok(odr_en, sru_pdu_res->u.response,
+ pr->records))
+ return false;
+
+
+
+ // copy all records if existing
+ if (pr->records && pr->records->which == Z_Records_DBOSD)
+ {
+ // srw'fy number of returned records
+ sru_res->num_records
+ = pr->records->u.databaseOrSurDiagnostics->num_records;
+
+ sru_res->records
+ = (Z_SRW_record *) odr_malloc(odr_en,
+ sru_res->num_records
+ * sizeof(Z_SRW_record));
+
+
+ // srw'fy nextRecordPosition
+ // next position never zero or behind the last z3950 record
+ if (pr->nextResultSetPosition
+ && *(pr->nextResultSetPosition) > 0
+ && *(pr->nextResultSetPosition)
+ <= *(sru_pdu_res->u.response->numberOfRecords))
+ sru_res->nextRecordPosition
+ = odr_intdup(odr_en, *(pr->nextResultSetPosition));
+
+ // inserting all records
+ for (int i = 0; i < sru_res->num_records; i++)
+ {
+ Z_NamePlusRecord *npr
+ = pr->records->u.databaseOrSurDiagnostics->records[i];
+
+ sru_res->records[i].recordPosition
+ = odr_intdup(odr_en,
+ i + *(apdu->u.presentRequest->resultSetStartPoint));
+
+ sru_res->records[i].recordPacking = record_packing;
+
+ if (npr->which != Z_NamePlusRecord_databaseRecord)
+ {
+ sru_res->records[i].recordSchema = "diagnostic";
+ sru_res->records[i].recordData_buf = "67";
+ sru_res->records[i].recordData_len = 2;
+ }
+ else
+ {
+ Z_External *r = npr->u.databaseRecord;
+ if (r->direct_reference
+ && !oid_oidcmp(r->direct_reference, yaz_oid_recsyn_xml))
+ {
+ sru_res->records[i].recordSchema = "dc";
+ sru_res->records[i].recordData_buf
+ = odr_strdupn(odr_en,
+ (const char *)r->u.octet_aligned->buf,
+ r->u.octet_aligned->len);
+ sru_res->records[i].recordData_len
+ = r->u.octet_aligned->len;
+ }
+ else
+ {
+ sru_res->records[i].recordSchema = "diagnostic";
+ sru_res->records[i].recordData_buf = "67";
+ sru_res->records[i].recordData_len = 2;
+ }
+ }
+ }
+ }
+
+ return true;
+}
+
+bool
+yf::SRUtoZ3950::Impl::z3950_scan_request(mp::Package &package,
+ mp::odr &odr_en,
+ Z_SRW_PDU *sru_pdu_res,
+ Z_SRW_scanRequest const *sr_req) const
+{
+ assert(sru_pdu_res->u.scan_response);
+
+ Package z3950_package(package.session(), package.origin());
+ z3950_package.copy_filter(package);
+ //mp::odr odr_en(ODR_ENCODE);
+ Z_APDU *apdu = zget_APDU(odr_en, Z_APDU_scanRequest);
+
+ //TODO: add stuff in apdu
+ Z_ScanRequest *z_scanRequest = apdu->u.scanRequest;
+
+ // database repackaging
+ z_scanRequest->num_databaseNames = 1;
+ z_scanRequest->databaseNames = (char**)
+ odr_malloc(odr_en, sizeof(char *));
+ if (sr_req->database)
+ z_scanRequest->databaseNames[0]
+ = odr_strdup(odr_en, const_cast<char *>(sr_req->database));
+ else
+ z_scanRequest->databaseNames[0]
+ = odr_strdup(odr_en, "Default");
+
+
+ // query repackaging
+ // CQL or XCQL scan is not possible in Z3950, flagging a diagnostic
+ if (sr_req->query_type != Z_SRW_query_type_pqf)
+ {
+ //send_to_srw_client_error(7, "query");
+ return false;
+ }
+
+ // PQF query repackaging
+ // need to use Z_AttributesPlusTerm structure, not Z_Query
+ // this can be digget out of a
+ // Z_query->type1(Z_RPNQuery)->RPNStructure(Z_RPNStructure)
+ // ->u.simple(Z_Operand)->u.attributesPlusTerm(Z_AttributesPlusTerm )
+
+ //Z_Query *z_query = (Z_Query *) odr_malloc(odr_en, sizeof(Z_Query));
+ //z_searchRequest->query = z_query;
+
+ //if (!z3950_build_query(odr_en, z_query,
+ // (const SRW_query&)sr_req->query,
+ // sr_req->query_type))
+ //{
+ //send_to_srw_client_error(7, "query");
+ // return false;
+ //}
+
+ // TODO:
+
+ z3950_package.request() = apdu;
+ std::cout << "z3950_scan_request " << *apdu << "\n";
+
+ z3950_package.move();
+ //TODO: check success condition
+ return true;
+ return false;
+}
+
+bool yf::SRUtoZ3950::Impl::z3950_build_query(mp::odr &odr_en, Z_Query *z_query,
+ const SRW_query &query,
+ SRW_query_type query_type) const
+{
+ if (query_type == Z_SRW_query_type_cql)
+ {
+ Z_External *ext = (Z_External *)
+ odr_malloc(odr_en, sizeof(*ext));
+ ext->direct_reference =
+ odr_getoidbystr(odr_en, "1.2.840.10003.16.2");
+ ext->indirect_reference = 0;
+ ext->descriptor = 0;
+ ext->which = Z_External_CQL;
+ ext->u.cql = const_cast<char *>(query.cql);
+
+ z_query->which = Z_Query_type_104;
+ z_query->u.type_104 = ext;
+ return true;
+ }
+
+ if (query_type == Z_SRW_query_type_pqf)
+ {
+ Z_RPNQuery *RPNquery;
+ YAZ_PQF_Parser pqf_parser;
+
+ pqf_parser = yaz_pqf_create ();
+
+ RPNquery = yaz_pqf_parse (pqf_parser, odr_en, query.pqf);
+ if (!RPNquery)
+ {
+ std::cout << "TODO: Handeling of bad PQF\n";
+ std::cout << "TODO: Diagnostic to be send\n";
+ }
+ z_query->which = Z_Query_type_1;
+ z_query->u.type_1 = RPNquery;
+
+ yaz_pqf_destroy(pqf_parser);
+ return true;
+ }
+ return false;
+}
+
+
+bool
+yf::SRUtoZ3950::Impl::z3950_to_srw_diagnostics_ok(mp::odr &odr_en,
+ Z_SRW_searchRetrieveResponse
+ *sru_res,
+ Z_Records *records) const
+{
+ // checking non surrogate diagnostics in Z3950 present response package
+ if (records
+ && records->which == Z_Records_NSD
+ && records->u.nonSurrogateDiagnostic)
+ {
+ z3950_to_srw_diag(odr_en, sru_res,
+ records->u.nonSurrogateDiagnostic);
+ return false;
+ }
+ return true;
+}
+
+
+int
+yf::SRUtoZ3950::Impl::z3950_to_srw_diag(mp::odr &odr_en,
+ Z_SRW_searchRetrieveResponse *sru_res,
+ Z_DefaultDiagFormat *ddf) const
+{
+ int bib1_code = *ddf->condition;
+ sru_res->num_diagnostics = 1;
+ sru_res->diagnostics = (Z_SRW_diagnostic *)
+ odr_malloc(odr_en, sizeof(*sru_res->diagnostics));
+ yaz_mk_std_diagnostic(odr_en, sru_res->diagnostics,
+ yaz_diag_bib1_to_srw(bib1_code),
+ ddf->u.v2Addinfo);
+ return 0;
+}
+
+
+