+const std::string xmlns_explain("http://explain.z3950.org/dtd/2.0/");
+
+bool mp_util::build_sru_debug_package(mp::Package &package)
+{
+ Z_GDU *zgdu_req = package.request().get();
+ if (zgdu_req && zgdu_req->which == Z_GDU_HTTP_Request)
+ {
+ Z_HTTP_Request* http_req = zgdu_req->u.HTTP_Request;
+ std::string content = mp_util::http_headers_debug(*http_req);
+ int http_code = 400;
+ mp_util::http_response(package, content, http_code);
+ return true;
+ }
+ package.session().close();
+ return false;
+}
+
+mp_util::SRUServerInfo mp_util::get_sru_server_info(mp::Package &package)
+{
+ mp_util::SRUServerInfo sruinfo;
+
+ // getting host and port info
+ sruinfo.host = package.origin().listen_host();
+ sruinfo.port = mp_util::to_string(package.origin().listen_port());
+
+ // overwriting host and port info if set from HTTP Host header
+ Z_GDU *zgdu_req = package.request().get();
+ if (zgdu_req && zgdu_req->which == Z_GDU_HTTP_Request)
+ {
+ Z_HTTP_Request* http_req = zgdu_req->u.HTTP_Request;
+ if (http_req)
+ {
+ std::string http_path = http_req->path;
+
+ // taking out GET parameters
+ std::string::size_type ipath = http_path.rfind("?");
+ if (ipath != std::string::npos)
+ http_path.assign(http_path, 0, ipath);
+
+ // assign to database name
+ if (http_path.size() > 1)
+ sruinfo.database.assign(http_path, 1, std::string::npos);
+
+ std::string http_host_address
+ = mp_util::http_header_value(http_req->headers, "Host");
+
+ std::string::size_type iaddress = http_host_address.rfind(":");
+ if (iaddress != std::string::npos)
+ {
+ sruinfo.host.assign(http_host_address, 0, iaddress);
+ sruinfo.port.assign(http_host_address, iaddress + 1,
+ std::string::npos);
+ }
+ }
+ }
+
+ //std::cout << "sruinfo.database " << sruinfo.database << "\n";
+ //std::cout << "sruinfo.host " << sruinfo.host << "\n";
+ //std::cout << "sruinfo.port " << sruinfo.port << "\n";
+
+ return sruinfo;
+}
+
+
+bool mp_util::build_sru_explain(metaproxy_1::Package &package,
+ metaproxy_1::odr &odr_en,
+ Z_SRW_PDU *sru_pdu_res,
+ SRUServerInfo sruinfo,
+ const xmlNode *explain,
+ Z_SRW_explainRequest const *er_req)
+{
+
+ // building SRU explain record
+ std::string explain_xml;
+
+ if (explain == 0)
+ {
+ explain_xml
+ = mp_util::to_string(
+ "<explain xmlns=\"" + xmlns_explain + "\">\n"
+ " <serverInfo protocol='SRU'>\n"
+ " <host>")
+ + sruinfo.host
+ + mp_util::to_string("</host>\n"
+ " <port>")
+ + sruinfo.port
+ + mp_util::to_string("</port>\n"
+ " <database>")
+ + sruinfo.database
+ + mp_util::to_string("</database>\n"
+ " </serverInfo>\n"
+ "</explain>\n");
+ }
+ else
+ {
+ // make new XML DOC with given explain node
+ xmlDocPtr doc = xmlNewDoc(BAD_CAST "1.0");
+ xmlDocSetRootElement(doc, (xmlNode*)explain);
+
+ xmlChar *xmlbuff;
+ int xmlbuffsz;
+ xmlDocDumpFormatMemory(doc, &xmlbuff, &xmlbuffsz, 1);
+
+ explain_xml.assign((const char*)xmlbuff, 0, xmlbuffsz);
+ }
+
+
+ // z3950'fy recordPacking
+ int record_packing = Z_SRW_recordPacking_XML;
+ if (er_req && er_req->recordPacking && 's' == *(er_req->recordPacking))
+ record_packing = Z_SRW_recordPacking_string;
+
+ // preparing explain record insert
+ Z_SRW_explainResponse *sru_res = sru_pdu_res->u.explain_response;
+
+ // inserting one and only explain record
+
+ sru_res->record.recordPosition = odr_intdup(odr_en, 1);
+ sru_res->record.recordPacking = record_packing;
+ sru_res->record.recordSchema = (char *)xmlns_explain.c_str();
+ sru_res->record.recordData_len = 1 + explain_xml.size();
+ sru_res->record.recordData_buf
+ = odr_strdupn(odr_en, (const char *)explain_xml.c_str(),
+ 1 + explain_xml.size());
+
+ return true;
+}
+