From 098f68aa472b0827a0dfdfda38a338cde577ef98 Mon Sep 17 00:00:00 2001 From: Marc Cromme Date: Thu, 28 Dec 2006 13:26:06 +0000 Subject: [PATCH] moved common SRU functionality from SRU_to_Z3950 class methods to sru_util.hpp and sru_util.cpp general functions --- src/filter_sru_to_z3950.cpp | 416 +++---------------------------------------- src/sru_util.cpp | 390 ++++++++++++++++++++++++++++++++++++++-- src/sru_util.hpp | 73 ++++++-- 3 files changed, 448 insertions(+), 431 deletions(-) diff --git a/src/filter_sru_to_z3950.cpp b/src/filter_sru_to_z3950.cpp index c73d839..68dbab3 100644 --- a/src/filter_sru_to_z3950.cpp +++ b/src/filter_sru_to_z3950.cpp @@ -1,4 +1,4 @@ -/* $Id: filter_sru_to_z3950.cpp,v 1.23 2006-12-28 12:18:01 marc Exp $ +/* $Id: filter_sru_to_z3950.cpp,v 1.24 2006-12-28 13:26:06 marc Exp $ Copyright (c) 2005-2006, Index Data. See the LICENSE file for details @@ -39,60 +39,36 @@ namespace metaproxy_1 { union SRW_query {char * cql; char * xcql; char * pqf;}; typedef const int& SRW_query_type; private: - //std::string sru_protocol(const Z_HTTP_Request &http_req) const; - std::string debug_http(const Z_HTTP_Request &http_req) const; - //void http_response(mp::Package &package, - // const std::string &content, - // int http_code = 200) const; - bool build_sru_debug_package(mp::Package &package) const; - bool build_simple_explain(mp::Package &package, - mp::odr &odr_en, - Z_SRW_PDU *sru_pdu_res, - Z_SRW_explainRequest const *er_req) - const; - bool build_sru_response(mp::Package &package, - mp::odr &odr_en, - Z_SOAP *soap, - const Z_SRW_PDU *sru_pdu_res, - char *charset, - const char *stylesheet) const; - Z_SRW_PDU * decode_sru_request(mp::Package &package, - mp::odr &odr_de, - mp::odr &odr_en, - Z_SRW_PDU *sru_pdu_res, - Z_SOAP *&soap, - char *charset, - char *stylesheet) const; - bool check_sru_query_exists(mp::Package &package, - mp::odr &odr_en, - Z_SRW_PDU *sru_pdu_res, - Z_SRW_searchRetrieveRequest - const *sr_req) const; + bool z3950_build_query(mp::odr &odr_en, Z_Query *z_query, const SRW_query &query, SRW_query_type query_type) const; + bool z3950_init_request(mp::Package &package, const std::string &database = "Default") const; + bool z3950_close_request(mp::Package &package) const; + bool z3950_search_request(mp::Package &package, mp::odr &odr_en, Z_SRW_PDU *sru_pdu_res, Z_SRW_searchRetrieveRequest const *sr_req) const; + bool z3950_present_request(mp::Package &package, mp::odr &odr_en, Z_SRW_PDU *sru_pdu_res, Z_SRW_searchRetrieveRequest const *sr_req) const; + bool z3950_scan_request(mp::Package &package, mp::odr &odr_en, Z_SRW_PDU *sru_pdu_res, Z_SRW_scanRequest const *sr_req) const; - Z_ElementSetNames * build_esn_from_schema(mp::odr &odr_en, - const char *schema) - const; + + int z3950_to_srw_diag(mp::odr &odr_en, Z_SRW_searchRetrieveResponse *srw_res, Z_DefaultDiagFormat *ddf) const; @@ -149,12 +125,12 @@ void yf::SRUtoZ3950::Impl::process(mp::Package &package) const char *charset = 0; char *stylesheet = 0; - if (! (sru_pdu_req = decode_sru_request(package, odr_de, odr_en, + if (! (sru_pdu_req = mp_util::decode_sru_request(package, odr_de, odr_en, sru_pdu_res, soap, charset, stylesheet))) { - build_simple_explain(package, odr_en, sru_pdu_res, 0); - build_sru_response(package, odr_en, soap, + mp_util::build_simple_explain(package, odr_en, sru_pdu_res, 0); + mp_util::build_sru_response(package, odr_en, soap, sru_pdu_res, charset, stylesheet); package.session().close(); return; @@ -174,7 +150,7 @@ void yf::SRUtoZ3950::Impl::process(mp::Package &package) const Z_SRW_explainRequest *er_req = sru_pdu_req->u.explain_request; //sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_explain_response); - build_simple_explain(package, odr_en, sru_pdu_res, er_req); + mp_util::build_simple_explain(package, odr_en, sru_pdu_res, er_req); } // searchRetrieve @@ -187,7 +163,8 @@ void yf::SRUtoZ3950::Impl::process(mp::Package &package) const sru_pdu_res = yaz_srw_get(odr_en, Z_SRW_searchRetrieve_response); // checking that we have a query - ok = check_sru_query_exists(package, odr_en, sru_pdu_res, sr_req); + ok = mp_util::check_sru_query_exists(package, odr_en, + sru_pdu_res, sr_req); if (ok && z3950_init_request(package)) { @@ -241,266 +218,13 @@ void yf::SRUtoZ3950::Impl::process(mp::Package &package) const return; } - //build_sru_debug_package(package); - build_sru_response(package, odr_en, soap, - sru_pdu_res, charset, stylesheet); + //mp_util::build_sru_debug_package(package); + mp_util::build_sru_response(package, odr_en, soap, + sru_pdu_res, charset, stylesheet); return; } -bool yf::SRUtoZ3950::Impl::build_simple_explain(mp::Package &package, - mp::odr &odr_en, - Z_SRW_PDU *sru_pdu_res, - Z_SRW_explainRequest - const *er_req) const -{ - // 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; - - // getting database info - std::string database("Default"); - if (er_req && er_req->database) - database = er_req->database; - - // getting host and port info - std::string host = package.origin().listen_host(); - std::string 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_host_address - = mp_util::http_header_value(http_req->headers, "Host"); - - std::string::size_type i = http_host_address.rfind(":"); - if (i != std::string::npos) - { - host.assign(http_host_address, 0, i); - port.assign(http_host_address, i + 1, std::string::npos); - } - } - } - - // building SRU explain record - std::string explain_xml - = mp_util::to_string( - "\n" - " \n" - " ") - + host - + mp_util::to_string("\n" - " ") - + port - + mp_util::to_string("\n" - " ") - + database - + mp_util::to_string("\n" - " \n" - "\n"); - - - // preparing explain record insert - Z_SRW_explainResponse *sru_res = sru_pdu_res->u.explain_response; - //sru_res->record - // = (Z_SRW_record *) odr_malloc(odr_en, sizeof(Z_SRW_record)); - - // 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 = "http://explain.z3950.org/dtd/2.0/"; - 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; -}; - - -bool yf::SRUtoZ3950::Impl::build_sru_debug_package(mp::Package &package) const -{ - 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; -} - - -bool yf::SRUtoZ3950::Impl::build_sru_response(mp::Package &package, - mp::odr &odr_en, - Z_SOAP *soap, - const Z_SRW_PDU *sru_pdu_res, - char *charset, - const char *stylesheet) - const -{ - - // SRU request package translation to Z3950 package - //if (sru_pdu_res) - // std::cout << *(const_cast(sru_pdu_res)) << "\n"; - //else - // std::cout << "SRU empty\n"; - - - Z_GDU *zgdu_req = package.request().get(); - if (zgdu_req && zgdu_req->which == Z_GDU_HTTP_Request) - { - Z_GDU *zgdu_res //= z_get_HTTP_Response(odr_en, 200); - = odr_en.create_HTTP_Response(package.session(), - zgdu_req->u.HTTP_Request, - 200); - - // adding HTTP response code and headers - Z_HTTP_Response * http_res = zgdu_res->u.HTTP_Response; - //http_res->code = http_code; - - std::string ctype("text/xml"); - if (charset){ - ctype += "; charset="; - ctype += charset; - } - - z_HTTP_header_add(odr_en, - &http_res->headers, "Content-Type", ctype.c_str()); - - // packaging Z_SOAP into HTML response - static Z_SOAP_Handler soap_handlers[4] = { - {"http://www.loc.gov/zing/srw/", 0, - (Z_SOAP_fun) yaz_srw_codec}, - {"http://www.loc.gov/zing/srw/v1.0/", 0, - (Z_SOAP_fun) yaz_srw_codec}, - {"http://www.loc.gov/zing/srw/update/", 0, - (Z_SOAP_fun) yaz_ucp_codec}, - {0, 0, 0} - }; - - - // empty stylesheet means NO stylesheet - if (stylesheet && *stylesheet == '\0') - stylesheet = 0; - - // encoding SRU package - - soap->u.generic->p = (void*) sru_pdu_res; - //int ret = - z_soap_codec_enc_xsl(odr_en, &soap, - &http_res->content_buf, &http_res->content_len, - soap_handlers, charset, stylesheet); - - - package.response() = zgdu_res; - return true; - } - package.session().close(); - return false; -} - - - - Z_SRW_PDU * yf::SRUtoZ3950::Impl::decode_sru_request(mp::Package &package, - mp::odr &odr_de, - mp::odr &odr_en, - Z_SRW_PDU *sru_pdu_res, - Z_SOAP *&soap, - char *charset, - char *stylesheet) - const -{ - Z_GDU *zgdu_req = package.request().get(); - Z_SRW_PDU *sru_pdu_req = 0; - - assert((zgdu_req->which == Z_GDU_HTTP_Request)); - - //ignoring all non HTTP_Request packages - //if (!zgdu_req || !(zgdu_req->which == Z_GDU_HTTP_Request)){ - // return 0; - //} - - Z_HTTP_Request* http_req = zgdu_req->u.HTTP_Request; - if (! http_req) - return 0; - - //Z_SRW_PDU *sru_pdu_res_exp = yaz_srw_get(odr_en, Z_SRW_explain_response); - - if (0 == yaz_sru_decode(http_req, &sru_pdu_req, &soap, - odr_de, &charset, - &(sru_pdu_res->u.response->diagnostics), - &(sru_pdu_res->u.response->num_diagnostics))) - { - if (sru_pdu_res->u.response->num_diagnostics) - { - //sru_pdu_res = sru_pdu_res_exp; - package.session().close(); - return 0; - } - return sru_pdu_req; - } - else if (0 == yaz_srw_decode(http_req, &sru_pdu_req, &soap, - odr_de, &charset)) - return sru_pdu_req; - else - { - //sru_pdu_res = sru_pdu_res_exp; - package.session().close(); - return 0; - } - return 0; -} - -bool -yf::SRUtoZ3950::Impl::check_sru_query_exists(mp::Package &package, - mp::odr &odr_en, - Z_SRW_PDU *sru_pdu_res, - Z_SRW_searchRetrieveRequest - const *sr_req) - const -{ - if( (sr_req->query_type == Z_SRW_query_type_cql && !sr_req->query.cql) ) - { - yaz_add_srw_diagnostic(odr_en, - &(sru_pdu_res->u.response->diagnostics), - &(sru_pdu_res->u.response->num_diagnostics), - 7, "query"); - yaz_add_srw_diagnostic(odr_en, - &(sru_pdu_res->u.response->diagnostics), - &(sru_pdu_res->u.response->num_diagnostics), - 10, "CQL query is empty"); - return false; - } - if( (sr_req->query_type == Z_SRW_query_type_xcql && !sr_req->query.xcql) ) - { - yaz_add_srw_diagnostic(odr_en, - &(sru_pdu_res->u.response->diagnostics), - &(sru_pdu_res->u.response->num_diagnostics), - 10, "XCQL query is empty"); - return false; - } - if( (sr_req->query_type == Z_SRW_query_type_pqf && !sr_req->query.pqf) ) - { - yaz_add_srw_diagnostic(odr_en, - &(sru_pdu_res->u.response->diagnostics), - &(sru_pdu_res->u.response->num_diagnostics), - 10, "PQF query is empty"); - return false; - } - return true; -}; - - bool yf::SRUtoZ3950::Impl::z3950_init_request(mp::Package &package, @@ -795,8 +519,8 @@ yf::SRUtoZ3950::Impl::z3950_present_request(mp::Package &package, apdu->u.presentRequest->recordComposition->which = Z_RecordComp_simple; apdu->u.presentRequest->recordComposition->u.simple - = build_esn_from_schema(odr_en, - (const char *) sr_req->recordSchema); + = mp_util::build_esn_from_schema(odr_en, + (const char *) sr_req->recordSchema); } // z3950'fy time to live - flagged as diagnostics above @@ -1016,106 +740,6 @@ bool yf::SRUtoZ3950::Impl::z3950_build_query(mp::odr &odr_en, Z_Query *z_query, } -// std::string -// yf::SRUtoZ3950::Impl::sru_protocol(const Z_HTTP_Request &http_req) const -// { -// const std::string mime_urlencoded("application/x-www-form-urlencoded"); -// const std::string mime_text_xml("text/xml"); -// const std::string mime_soap_xml("application/soap+xml"); - -// const std::string http_method(http_req.method); -// const std::string http_type -// = mp_util::http_header_value(http_req.headers, "Content-Type"); - -// if (http_method == "GET") -// return "SRU GET"; - -// if (http_method == "POST" -// && http_type == mime_urlencoded) -// return "SRU POST"; - -// if ( http_method == "POST" -// && (http_type == mime_text_xml -// || http_type == mime_soap_xml)) -// return "SRU SOAP"; - -// return "HTTP"; -// } - -// std::string -// yf::SRUtoZ3950::Impl::debug_http(const Z_HTTP_Request &http_req) const -// { -// std::string message("\n\n

" -// "Metaproxy SRUtoZ3950 filter" -// "

\n"); - -// message += "

HTTP Info


\n"; -// message += "

\n"; -// message += "Method: " + std::string(http_req.method) + "
\n"; -// message += "Version: " + std::string(http_req.version) + "
\n"; -// message += "Path: " + std::string(http_req.path) + "
\n"; - -// message += "Content-Type:" -// + mp_util::http_header_value(http_req.headers, "Content-Type") -// + "
\n"; -// message += "Content-Length:" -// + mp_util::http_header_value(http_req.headers, "Content-Length") -// + "
\n"; -// message += "

\n"; - -// message += "

Headers


\n"; -// message += "

\n"; -// Z_HTTP_Header* header = http_req.headers; -// while (header){ -// message += "Header: " -// + std::string(header->name) + ": " -// + std::string(header->value) + "
\n"; -// header = header->next; -// } -// message += "

\n"; -// message += "\n\n"; -// return message; -// } - -// void yf::SRUtoZ3950::Impl::http_response(metaproxy_1::Package &package, -// const std::string &content, -// int http_code) const -// { - -// Z_GDU *zgdu_req = package.request().get(); -// Z_GDU *zgdu_res = 0; -// mp::odr odr; -// zgdu_res -// = odr.create_HTTP_Response(package.session(), -// zgdu_req->u.HTTP_Request, -// http_code); - -// zgdu_res->u.HTTP_Response->content_len = content.size(); -// zgdu_res->u.HTTP_Response->content_buf -// = (char*) odr_malloc(odr, zgdu_res->u.HTTP_Response->content_len); - -// strncpy(zgdu_res->u.HTTP_Response->content_buf, -// content.c_str(), zgdu_res->u.HTTP_Response->content_len); - -// //z_HTTP_header_add(odr, &hres->headers, -// // "Content-Type", content_type.c_str()); -// package.response() = zgdu_res; -// } - - -Z_ElementSetNames * -yf::SRUtoZ3950::Impl::build_esn_from_schema(mp::odr &odr_en, - const char *schema) const -{ - if (!schema) - return 0; - - Z_ElementSetNames *esn - = (Z_ElementSetNames *) odr_malloc(odr_en, sizeof(Z_ElementSetNames)); - esn->which = Z_ElementSetNames_generic; - esn->u.generic = odr_strdup(odr_en, schema); - return esn; -} int yf::SRUtoZ3950::Impl::z3950_to_srw_diag(mp::odr &odr_en, diff --git a/src/sru_util.cpp b/src/sru_util.cpp index fe72c4c..881a86c 100644 --- a/src/sru_util.cpp +++ b/src/sru_util.cpp @@ -1,4 +1,4 @@ -/* $Id: sru_util.cpp,v 1.2 2006-10-02 13:44:48 marc Exp $ +/* $Id: sru_util.cpp,v 1.3 2006-12-28 13:26:06 marc Exp $ Copyright (c) 2005-2006, Index Data. See the LICENSE file for details @@ -19,30 +19,269 @@ namespace mp = metaproxy_1; namespace mp_util = metaproxy_1::util; -mp_util::SRU::SRU_protocol_type -mp_util::SRU::protocol(const Z_HTTP_Request &http_req) const + +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; +} + + +bool mp_util::build_simple_explain(mp::Package &package, + mp::odr &odr_en, + Z_SRW_PDU *sru_pdu_res, + Z_SRW_explainRequest + const *er_req) +{ + // 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; + + // getting database info + std::string database("Default"); + if (er_req && er_req->database) + database = er_req->database; + + // getting host and port info + std::string host = package.origin().listen_host(); + std::string 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_host_address + = mp_util::http_header_value(http_req->headers, "Host"); + + std::string::size_type i = http_host_address.rfind(":"); + if (i != std::string::npos) + { + host.assign(http_host_address, 0, i); + port.assign(http_host_address, i + 1, std::string::npos); + } + } + } + + // building SRU explain record + std::string explain_xml + = mp_util::to_string( + "\n" + " \n" + " ") + + host + + mp_util::to_string("\n" + " ") + + port + + mp_util::to_string("\n" + " ") + + database + + mp_util::to_string("\n" + " \n" + "\n"); + + + // 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 = "http://explain.z3950.org/dtd/2.0/"; + 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; +}; + + +bool mp_util::build_sru_response(mp::Package &package, + mp::odr &odr_en, + Z_SOAP *soap, + const Z_SRW_PDU *sru_pdu_res, + char *charset, + const char *stylesheet) { - const std::string mime_urlencoded("application/x-www-form-urlencoded"); - const std::string mime_text_xml("text/xml"); - const std::string mime_soap_xml("application/soap+xml"); - const std::string http_method(http_req.method); - const std::string http_type - = mp_util::http_header_value(http_req.headers, "Content-Type"); + // SRU request package translation to Z3950 package + //if (sru_pdu_res) + // std::cout << *(const_cast(sru_pdu_res)) << "\n"; + //else + // std::cout << "SRU empty\n"; + + + Z_GDU *zgdu_req = package.request().get(); + if (zgdu_req && zgdu_req->which == Z_GDU_HTTP_Request) + { + Z_GDU *zgdu_res //= z_get_HTTP_Response(odr_en, 200); + = odr_en.create_HTTP_Response(package.session(), + zgdu_req->u.HTTP_Request, + 200); + + // adding HTTP response code and headers + Z_HTTP_Response * http_res = zgdu_res->u.HTTP_Response; + //http_res->code = http_code; + + std::string ctype("text/xml"); + if (charset){ + ctype += "; charset="; + ctype += charset; + } + + z_HTTP_header_add(odr_en, + &http_res->headers, "Content-Type", ctype.c_str()); - if (http_method == "GET") - return SRU_GET; + // packaging Z_SOAP into HTML response + static Z_SOAP_Handler soap_handlers[4] = { + {"http://www.loc.gov/zing/srw/", 0, + (Z_SOAP_fun) yaz_srw_codec}, + {"http://www.loc.gov/zing/srw/v1.0/", 0, + (Z_SOAP_fun) yaz_srw_codec}, + {"http://www.loc.gov/zing/srw/update/", 0, + (Z_SOAP_fun) yaz_ucp_codec}, + {0, 0, 0} + }; + + + // empty stylesheet means NO stylesheet + if (stylesheet && *stylesheet == '\0') + stylesheet = 0; + + // encoding SRU package + + soap->u.generic->p = (void*) sru_pdu_res; + //int ret = + z_soap_codec_enc_xsl(odr_en, &soap, + &http_res->content_buf, &http_res->content_len, + soap_handlers, charset, stylesheet); + + + package.response() = zgdu_res; + return true; + } + package.session().close(); + return false; +} + + + + Z_SRW_PDU * mp_util::decode_sru_request(mp::Package &package, + mp::odr &odr_de, + mp::odr &odr_en, + Z_SRW_PDU *sru_pdu_res, + Z_SOAP *&soap, + char *charset, + char *stylesheet) +{ + Z_GDU *zgdu_req = package.request().get(); + Z_SRW_PDU *sru_pdu_req = 0; - if (http_method == "POST" - && http_type == mime_urlencoded) - return SRU_POST; + //assert((zgdu_req->which == Z_GDU_HTTP_Request)); - if ( http_method == "POST" - && (http_type == mime_text_xml - || http_type == mime_soap_xml)) - return SRU_SOAP; + //ignoring all non HTTP_Request packages + if (!zgdu_req || !(zgdu_req->which == Z_GDU_HTTP_Request)){ + return 0; + } + + Z_HTTP_Request* http_req = zgdu_req->u.HTTP_Request; + if (! http_req) + return 0; - return SRU_NONE; + // checking if we got a SRU GET/POST/SOAP HTTP package + // closing connection if we did not ... + if (0 == yaz_sru_decode(http_req, &sru_pdu_req, &soap, + odr_de, &charset, + &(sru_pdu_res->u.response->diagnostics), + &(sru_pdu_res->u.response->num_diagnostics))) + { + if (sru_pdu_res->u.response->num_diagnostics) + { + //sru_pdu_res = sru_pdu_res_exp; + package.session().close(); + return 0; + } + return sru_pdu_req; + } + else if (0 == yaz_srw_decode(http_req, &sru_pdu_req, &soap, + odr_de, &charset)) + return sru_pdu_req; + else + { + //sru_pdu_res = sru_pdu_res_exp; + package.session().close(); + return 0; + } + return 0; +} + + +bool +mp_util::check_sru_query_exists(mp::Package &package, + mp::odr &odr_en, + Z_SRW_PDU *sru_pdu_res, + Z_SRW_searchRetrieveRequest const *sr_req) +{ + if( (sr_req->query_type == Z_SRW_query_type_cql && !sr_req->query.cql) ) + { + yaz_add_srw_diagnostic(odr_en, + &(sru_pdu_res->u.response->diagnostics), + &(sru_pdu_res->u.response->num_diagnostics), + 7, "query"); + yaz_add_srw_diagnostic(odr_en, + &(sru_pdu_res->u.response->diagnostics), + &(sru_pdu_res->u.response->num_diagnostics), + 10, "CQL query is empty"); + return false; + } + if( (sr_req->query_type == Z_SRW_query_type_xcql && !sr_req->query.xcql) ) + { + yaz_add_srw_diagnostic(odr_en, + &(sru_pdu_res->u.response->diagnostics), + &(sru_pdu_res->u.response->num_diagnostics), + 10, "XCQL query is empty"); + return false; + } + if( (sr_req->query_type == Z_SRW_query_type_pqf && !sr_req->query.pqf) ) + { + yaz_add_srw_diagnostic(odr_en, + &(sru_pdu_res->u.response->diagnostics), + &(sru_pdu_res->u.response->num_diagnostics), + 10, "PQF query is empty"); + return false; + } + return true; +}; + + + + +Z_ElementSetNames * +mp_util::build_esn_from_schema(mp::odr &odr_en, + const char *schema) +{ + if (!schema) + return 0; + + Z_ElementSetNames *esn + = (Z_ElementSetNames *) odr_malloc(odr_en, sizeof(Z_ElementSetNames)); + esn->which = Z_ElementSetNames_generic; + esn->u.generic = odr_strdup(odr_en, schema); + return esn; } @@ -167,6 +406,119 @@ std::ostream& std::operator<<(std::ostream& os, Z_SRW_PDU& srw_pdu) + +// mp_util::SRU::SRU_protocol_type +// mp_util::SRU::protocol(const Z_HTTP_Request &http_req) const +// { +// const std::string mime_urlencoded("application/x-www-form-urlencoded"); +// const std::string mime_text_xml("text/xml"); +// const std::string mime_soap_xml("application/soap+xml"); + +// const std::string http_method(http_req.method); +// const std::string http_type +// = mp_util::http_header_value(http_req.headers, "Content-Type"); + +// if (http_method == "GET") +// return SRU_GET; + +// if (http_method == "POST" +// && http_type == mime_urlencoded) +// return SRU_POST; + +// if ( http_method == "POST" +// && (http_type == mime_text_xml +// || http_type == mime_soap_xml)) +// return SRU_SOAP; + +// return SRU_NONE; +// } + +// std::string +// mp_util::sru_protocol(const Z_HTTP_Request &http_req) const +// { +// const std::string mime_urlencoded("application/x-www-form-urlencoded"); +// const std::string mime_text_xml("text/xml"); +// const std::string mime_soap_xml("application/soap+xml"); + +// const std::string http_method(http_req.method); +// const std::string http_type +// = mp_util::http_header_value(http_req.headers, "Content-Type"); + +// if (http_method == "GET") +// return "SRU GET"; + +// if (http_method == "POST" +// && http_type == mime_urlencoded) +// return "SRU POST"; + +// if ( http_method == "POST" +// && (http_type == mime_text_xml +// || http_type == mime_soap_xml)) +// return "SRU SOAP"; + +// return "HTTP"; +// } + +// std::string +// mp_util::debug_http(const Z_HTTP_Request &http_req) const +// { +// std::string message("\n\n

" +// "Metaproxy SRUtoZ3950 filter" +// "

\n"); + +// message += "

HTTP Info


\n"; +// message += "

\n"; +// message += "Method: " + std::string(http_req.method) + "
\n"; +// message += "Version: " + std::string(http_req.version) + "
\n"; +// message += "Path: " + std::string(http_req.path) + "
\n"; + +// message += "Content-Type:" +// + mp_util::http_header_value(http_req.headers, "Content-Type") +// + "
\n"; +// message += "Content-Length:" +// + mp_util::http_header_value(http_req.headers, "Content-Length") +// + "
\n"; +// message += "

\n"; + +// message += "

Headers


\n"; +// message += "

\n"; +// Z_HTTP_Header* header = http_req.headers; +// while (header){ +// message += "Header: " +// + std::string(header->name) + ": " +// + std::string(header->value) + "
\n"; +// header = header->next; +// } +// message += "

\n"; +// message += "\n\n"; +// return message; +// } + +// void mp_util::http_response(metaproxy_1::Package &package, +// const std::string &content, +// int http_code) const +// { + +// Z_GDU *zgdu_req = package.request().get(); +// Z_GDU *zgdu_res = 0; +// mp::odr odr; +// zgdu_res +// = odr.create_HTTP_Response(package.session(), +// zgdu_req->u.HTTP_Request, +// http_code); + +// zgdu_res->u.HTTP_Response->content_len = content.size(); +// zgdu_res->u.HTTP_Response->content_buf +// = (char*) odr_malloc(odr, zgdu_res->u.HTTP_Response->content_len); + +// strncpy(zgdu_res->u.HTTP_Response->content_buf, +// content.c_str(), zgdu_res->u.HTTP_Response->content_len); + +// //z_HTTP_header_add(odr, &hres->headers, +// // "Content-Type", content_type.c_str()); +// package.response() = zgdu_res; +// } + /* * Local variables: * c-basic-offset: 4 diff --git a/src/sru_util.hpp b/src/sru_util.hpp index c9a5afa..da8598d 100644 --- a/src/sru_util.hpp +++ b/src/sru_util.hpp @@ -1,5 +1,5 @@ -/* $Id: sru_util.hpp,v 1.3 2006-10-03 07:57:40 marc Exp $ - Copyright (c) 2005-2006, Index Data. +/* $Id: sru_util.hpp,v 1.4 2006-12-28 13:26:06 marc Exp $ +- Copyright (c) 2005-2006, Index Data. See the LICENSE file for details */ @@ -7,6 +7,9 @@ #ifndef YP2_SDU_UTIL_HPP #define YP2_SDU_UTIL_HPP +#include "util.hpp" +#include "package.hpp" + //#include //#include #include @@ -24,20 +27,58 @@ namespace std namespace metaproxy_1 { namespace util { - class SRU - { - public: - enum SRU_protocol_type { SRU_NONE, SRU_GET, SRU_POST, SRU_SOAP}; - typedef const int SRU_query_type; - union SRW_query {char * cql; char * xcql; char * pqf;}; - private: - //bool decode(const Z_HTTP_Request &http_req); - SRU_protocol_type protocol(const Z_HTTP_Request &http_req) const; - private: - SRU_protocol_type m_protocol; - std::string m_charset; - std::string m_stylesheet; - }; + // std::string sru_protocol(const Z_HTTP_Request &http_req); + // std::string debug_http(const Z_HTTP_Request &http_req); + // void http_response(mp::Package &package, + // const std::string &content, + // int http_code = 200); + + bool build_sru_debug_package(metaproxy_1::Package &package); + + bool build_simple_explain(metaproxy_1::Package &package, + metaproxy_1::odr &odr_en, + Z_SRW_PDU *sru_pdu_res, + Z_SRW_explainRequest const *er_req); + + bool build_sru_response(metaproxy_1::Package &package, + metaproxy_1::odr &odr_en, + Z_SOAP *soap, + const Z_SRW_PDU *sru_pdu_res, + char *charset, + const char *stylesheet); + + Z_SRW_PDU * decode_sru_request(metaproxy_1::Package &package, + metaproxy_1::odr &odr_de, + metaproxy_1::odr &odr_en, + Z_SRW_PDU *sru_pdu_res, + Z_SOAP *&soap, + char *charset, + char *stylesheet); + + bool check_sru_query_exists(metaproxy_1::Package &package, + metaproxy_1::odr &odr_en, + Z_SRW_PDU *sru_pdu_res, + Z_SRW_searchRetrieveRequest + const *sr_req); + + Z_ElementSetNames * build_esn_from_schema(metaproxy_1::odr &odr_en, + const char *schema); + + +// class SRU +// { +// public: +// enum SRU_protocol_type { SRU_NONE, SRU_GET, SRU_POST, SRU_SOAP}; +// typedef const int SRU_query_type; +// union SRW_query {char * cql; char * xcql; char * pqf;}; +// private: +// //bool decode(const Z_HTTP_Request &http_req); +// SRU_protocol_type protocol(const Z_HTTP_Request &http_req) const; +// private: +// SRU_protocol_type m_protocol; +// std::string m_charset; +// std::string m_stylesheet; +// }; } } -- 1.7.10.4