From: Adam Dickmeiss Date: Sat, 20 Dec 2003 22:44:30 +0000 (+0000) Subject: SRW/SRU 1.1. Bug fixes. cql2pqf, explain, zeerex. X-Git-Tag: YAZPP.0.7.4.larry~25 X-Git-Url: http://git.indexdata.com/?p=yazpp-moved-to-github.git;a=commitdiff_plain;h=4c287a6c8de2a59e1b9d249c0166bfb6c37cd571 SRW/SRU 1.1. Bug fixes. cql2pqf, explain, zeerex. --- diff --git a/configure.in b/configure.in index e16e7bd..5ead126 100644 --- a/configure.in +++ b/configure.in @@ -1,5 +1,5 @@ AC_INIT(configure.in) -AM_INIT_AUTOMAKE("yaz++",0.7.3) +AM_INIT_AUTOMAKE("yaz++",0.7.4) AC_PROG_CC AC_PROG_CPP diff --git a/etc/config.xml b/etc/config.xml index c4992b2..b388bdc 100644 --- a/etc/config.xml +++ b/etc/config.xml @@ -1,9 +1,9 @@ - + - + - bagel.indexdata.dk + indexdata.dk 240 180 @@ -23,10 +23,11 @@ 0 + pqf.properties + zeerex.xml - + localhost:9999 - localhost:9998 300 180 @@ -43,11 +44,11 @@ 2 - pqf.properties + pqf.properties + zeerex.xml 50 - client-apdu server-apdu diff --git a/include/yaz++/proxy.h b/include/yaz++/proxy.h index eed6ba0..c40f3e6 100644 --- a/include/yaz++/proxy.h +++ b/include/yaz++/proxy.h @@ -2,7 +2,7 @@ * Copyright (c) 1998-2003, Index Data. * See the file LICENSE for details. * - * $Id: proxy.h,v 1.22 2003-12-16 14:17:01 adam Exp $ + * $Id: proxy.h,v 1.23 2003-12-20 22:44:30 adam Exp $ */ #include @@ -43,7 +43,8 @@ public: int *keepalive_limit_bw, int *keepalive_limit_pdu, int *pre_init, - const char **cql2rpn); + const char **cql2rpn, + const char **zeerex); void get_generic_info(int *log_mask, int *max_clients); @@ -53,7 +54,8 @@ public: int *max_clients, int *keepalive_limit_bw, int *keepalive_limit_pdu, int *pre_init, - const char **cql2rpn); + const char **cql2rpn, + const char **zeerex); int check_query(ODR odr, const char *name, Z_Query *query, char **addinfo); int check_syntax(ODR odr, const char *name, @@ -68,7 +70,8 @@ private: int *limit_bw, int *limit_pdu, int *limit_req, int *target_idletime, int *client_idletime, int *keepalive_limit_bw, int *keepalive_limit_pdu, - int *pre_init, const char **cql2rpn); + int *pre_init, const char **cql2rpn, + const char **zeerex); void return_limit(xmlNodePtr ptr, int *limit_bw, int *limit_pdu, int *limit_req); int check_type_1(ODR odr, xmlNodePtr ptr, Z_RPNQuery *query, @@ -236,7 +239,8 @@ class YAZ_EXPORT Yaz_Proxy : public Yaz_Z_Assoc { Z_APDU *m_apdu_invalid_session; NMEM m_mem_invalid_session; int send_PDU_convert(Z_APDU *apdu, int *len); - ODR m_s2z_odr; + ODR m_s2z_odr_init; + ODR m_s2z_odr_search; int m_s2z_hit_count; int m_s2z_packing; Z_APDU *m_s2z_init_apdu; @@ -244,15 +248,17 @@ class YAZ_EXPORT Yaz_Proxy : public Yaz_Z_Assoc { Z_APDU *m_s2z_present_apdu; char *m_soap_ns; int send_to_srw_client_error(int error); - int send_to_srw_client_ok(int hits, Z_Records *records); + int send_to_srw_client_ok(int hits, Z_Records *records, int start); int send_http_response(int code); int send_srw_response(Z_SRW_PDU *srw_pdu); + int send_srw_explain(); int z_to_srw_diag(ODR o, Z_SRW_searchRetrieveResponse *srw_res, Z_DefaultDiagFormat *ddf); int m_http_keepalive; const char *m_http_version; Yaz_cql2rpn m_cql2rpn; + const char *m_zeerex_fname; public: Yaz_Proxy(IYaz_PDU_Observable *the_PDU_Observable, Yaz_Proxy *parent = 0); diff --git a/src/yaz-cql2rpn.cpp b/src/yaz-cql2rpn.cpp index ec3fa54..b012d92 100644 --- a/src/yaz-cql2rpn.cpp +++ b/src/yaz-cql2rpn.cpp @@ -2,7 +2,7 @@ * Copyright (c) 1998-2003, Index Data. * See the file LICENSE for details. * - * $Id: yaz-cql2rpn.cpp,v 1.1 2003-12-16 14:17:01 adam Exp $ + * $Id: yaz-cql2rpn.cpp,v 1.2 2003-12-20 22:44:30 adam Exp $ */ #include @@ -35,10 +35,7 @@ int Yaz_cql2rpn::query_transform(const char *cql_query, int r = cql_parser_string(cp, cql_query); if (r) - { yaz_log(LOG_LOG, "CQL Parse Error"); - return r; - } else { char rpn_buf[1024]; @@ -56,8 +53,7 @@ int Yaz_cql2rpn::query_transform(const char *cql_query, int code = yaz_pqf_error(pp, &pqf_msg, &off); yaz_log(LOG_WARN, "PQF Parser Error %s (code %d)", pqf_msg, code); - yaz_pqf_destroy(pp); - return -1; + r = -1; } yaz_pqf_destroy(pp); } @@ -67,8 +63,9 @@ int Yaz_cql2rpn::query_transform(const char *cql_query, cql_transform_error(m_transform, &addinfo); yaz_log(LOG_LOG, "CQL Transform Error %d %s", r, addinfo ? addinfo : ""); - return -2; + r = -2; } } - return 0; + cql_parser_destroy(cp); + return r; } diff --git a/src/yaz-proxy-config.cpp b/src/yaz-proxy-config.cpp index 6c3ffa6..b824462 100644 --- a/src/yaz-proxy-config.cpp +++ b/src/yaz-proxy-config.cpp @@ -2,7 +2,7 @@ * Copyright (c) 1998-2003, Index Data. * See the file LICENSE for details. * - * $Id: yaz-proxy-config.cpp,v 1.15 2003-12-16 14:17:01 adam Exp $ + * $Id: yaz-proxy-config.cpp,v 1.16 2003-12-20 22:44:30 adam Exp $ */ #include @@ -118,7 +118,8 @@ void Yaz_ProxyConfig::return_target_info(xmlNodePtr ptr, int *keepalive_limit_bw, int *keepalive_limit_pdu, int *pre_init, - const char **cql2rpn) + const char **cql2rpn, + const char **zeerex) { *pre_init = 0; int no_url = 0; @@ -182,6 +183,13 @@ void Yaz_ProxyConfig::return_target_info(xmlNodePtr ptr, if (t) *cql2rpn = t; } + if (ptr->type == XML_ELEMENT_NODE + && !strcmp((const char *) ptr->name, "zeerex")) + { + const char *t = get_text(ptr); + if (t) + *zeerex = t; + } } } #endif @@ -478,7 +486,8 @@ int Yaz_ProxyConfig::get_target_no(int no, int *keepalive_limit_bw, int *keepalive_limit_pdu, int *pre_init, - const char **cql2rpn) + const char **cql2rpn, + const char **zeerex) { #if HAVE_XML2 xmlNodePtr ptr; @@ -503,7 +512,7 @@ int Yaz_ProxyConfig::get_target_no(int no, return_target_info(ptr, url, limit_bw, limit_pdu, limit_req, target_idletime, client_idletime, keepalive_limit_bw, keepalive_limit_pdu, - pre_init, cql2rpn); + pre_init, cql2rpn, zeerex); return 1; } i++; @@ -582,7 +591,8 @@ void Yaz_ProxyConfig::get_target_info(const char *name, int *keepalive_limit_bw, int *keepalive_limit_pdu, int *pre_init, - const char **cql2rpn) + const char **cql2rpn, + const char **zeerex) { #if HAVE_XML2 xmlNodePtr ptr; @@ -618,7 +628,7 @@ void Yaz_ProxyConfig::get_target_info(const char *name, return_target_info(ptr, url, limit_bw, limit_pdu, limit_req, target_idletime, client_idletime, keepalive_limit_bw, keepalive_limit_pdu, - pre_init, cql2rpn); + pre_init, cql2rpn, zeerex); } #else *url = name; diff --git a/src/yaz-proxy.cpp b/src/yaz-proxy.cpp index d623c36..71dd336 100644 --- a/src/yaz-proxy.cpp +++ b/src/yaz-proxy.cpp @@ -2,7 +2,7 @@ * Copyright (c) 1998-2003, Index Data. * See the file LICENSE for details. * - * $Id: yaz-proxy.cpp,v 1.71 2003-12-16 14:17:01 adam Exp $ + * $Id: yaz-proxy.cpp,v 1.72 2003-12-20 22:44:30 adam Exp $ */ #include @@ -105,7 +105,8 @@ Yaz_Proxy::Yaz_Proxy(IYaz_PDU_Observable *the_PDU_Observable, m_initRequest_mem = 0; m_apdu_invalid_session = 0; m_mem_invalid_session = 0; - m_s2z_odr = 0; + m_s2z_odr_init = 0; + m_s2z_odr_search = 0; m_s2z_init_apdu = 0; m_s2z_search_apdu = 0; m_s2z_present_apdu = 0; @@ -113,6 +114,7 @@ Yaz_Proxy::Yaz_Proxy(IYaz_PDU_Observable *the_PDU_Observable, m_http_version = 0; m_soap_ns = 0; m_s2z_packing = Z_SRW_recordPacking_string; + m_zeerex_fname = 0; } Yaz_Proxy::~Yaz_Proxy() @@ -125,8 +127,10 @@ Yaz_Proxy::~Yaz_Proxy() xfree (m_default_target); xfree (m_proxy_authentication); xfree (m_optimize); - if (m_s2z_odr) - odr_destroy(m_s2z_odr); + if (m_s2z_odr_init) + odr_destroy(m_s2z_odr_init); + if (m_s2z_odr_search) + odr_destroy(m_s2z_odr_search); delete m_config; } @@ -310,7 +314,8 @@ Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie, &m_keepalive_limit_bw, &m_keepalive_limit_pdu, &pre_init, - &cql2rpn_fname); + &cql2rpn_fname, + &m_zeerex_fname); } if (client_idletime != -1) { @@ -318,10 +323,7 @@ Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie, timeout(m_client_idletime); } if (cql2rpn_fname) - { - yaz_log(LOG_LOG, "set_pqf_file %s", cql2rpn_fname); m_cql2rpn.set_pqf_file(cql2rpn_fname); - } if (!url[0]) { yaz_log(LOG_LOG, "%sNo default target", m_session_str); @@ -639,10 +641,9 @@ int Yaz_Proxy::send_http_response(int code) Z_HTTP_Response *hres = gdu->u.HTTP_Response; if (m_http_version) hres->version = odr_strdup(o, m_http_version); + m_http_keepalive = 0; int len; - int r = send_GDU(gdu, &len); - delete this; - return r; + return send_GDU(gdu, &len); } int Yaz_Proxy::send_srw_response(Z_SRW_PDU *srw_pdu) @@ -659,7 +660,7 @@ int Yaz_Proxy::send_srw_response(Z_SRW_PDU *srw_pdu) static Z_SOAP_Handler soap_handlers[2] = { #if HAVE_XML2 - {"http://www.loc.gov/zing/srw/v1.0/", 0, + {"http://www.loc.gov/zing/srw/", 0, (Z_SOAP_fun) yaz_srw_codec}, #endif {0, 0, 0} @@ -677,9 +678,7 @@ int Yaz_Proxy::send_srw_response(Z_SRW_PDU *srw_pdu) &hres->content_buf, &hres->content_len, soap_handlers, 0); int len; - int r = send_GDU(gdu, &len); - if (!m_http_keepalive) - delete this; + return send_GDU(gdu, &len); } int Yaz_Proxy::send_to_srw_client_error(int srw_error) @@ -711,7 +710,7 @@ int Yaz_Proxy::z_to_srw_diag(ODR o, Z_SRW_searchRetrieveResponse *srw_res, return 0; } -int Yaz_Proxy::send_to_srw_client_ok(int hits, Z_Records *records) +int Yaz_Proxy::send_to_srw_client_ok(int hits, Z_Records *records, int start) { ODR o = odr_encode(); Z_SRW_PDU *srw_pdu = yaz_srw_get(o, Z_SRW_searchRetrieve_response); @@ -734,7 +733,7 @@ int Yaz_Proxy::send_to_srw_client_ok(int hits, Z_Records *records) srw_res->records[i].recordPacking = m_s2z_packing; srw_res->records[i].recordData_buf = "67"; srw_res->records[i].recordData_len = 2; - srw_res->records[i].recordPosition = 0; + srw_res->records[i].recordPosition = odr_intdup(o, i+start); continue; } Z_External *r = npr->u.databaseRecord; @@ -746,7 +745,7 @@ int Yaz_Proxy::send_to_srw_client_ok(int hits, Z_Records *records) srw_res->records[i].recordData_buf = (char*) r->u.octet_aligned->buf; srw_res->records[i].recordData_len = r->u.octet_aligned->len; - srw_res->records[i].recordPosition = 0; + srw_res->records[i].recordPosition = odr_intdup(o, i+start); } else { @@ -754,7 +753,7 @@ int Yaz_Proxy::send_to_srw_client_ok(int hits, Z_Records *records) srw_res->records[i].recordPacking = m_s2z_packing; srw_res->records[i].recordData_buf = "67"; srw_res->records[i].recordData_len = 2; - srw_res->records[i].recordPosition = 0; + srw_res->records[i].recordPosition = odr_intdup(o, i+start); } } } @@ -769,45 +768,88 @@ int Yaz_Proxy::send_to_srw_client_ok(int hits, Z_Records *records) return send_srw_response(srw_pdu); } -int Yaz_Proxy::send_PDU_convert(Z_APDU *apdu, int *len) + +int Yaz_Proxy::send_srw_explain() { - if (m_s2z_init_apdu && apdu->which == Z_APDU_initResponse) + Z_SRW_PDU *res = yaz_srw_get(odr_encode(), Z_SRW_explain_response); + Z_SRW_explainResponse *er = res->u.explain_response; + + if (m_zeerex_fname) { - m_s2z_init_apdu = 0; - Z_InitResponse *res = apdu->u.initResponse; - if (*res->result == 0) + FILE *inf = fopen(m_zeerex_fname, "rb"); + if (inf) { - send_to_srw_client_error(3); + fseek(inf, 0L, SEEK_END); + long sz = ftell(inf); + fseek(inf, 0L, SEEK_SET); + if (sz > 0) + { + er->record.recordData_buf = + (char*) odr_malloc(odr_encode(), sz); + size_t s = fread(er->record.recordData_buf, 1,sz, inf); + if (s > 0) + er->record.recordData_len = s; + } + else + yaz_log(LOG_WARN|LOG_ERRNO, "zeerex file: ftell"); + fclose(inf); } else - { - handle_incoming_Z_PDU(m_s2z_search_apdu); - } + yaz_log(LOG_WARN|LOG_ERRNO, "zeerex file: fopen"); } - else if (m_s2z_search_apdu && apdu->which == Z_APDU_searchResponse) + else + yaz_log(LOG_LOG, "zeerex file: not defined"); + return send_srw_response(res); +} + +int Yaz_Proxy::send_PDU_convert(Z_APDU *apdu, int *len) +{ + if (m_http_version) { - m_s2z_search_apdu = 0; - Z_SearchResponse *res = apdu->u.searchResponse; - m_s2z_hit_count = *res->resultCount; - if (res->records && res->records->which == Z_Records_NSD) + if (apdu->which == Z_APDU_initResponse) { - send_to_srw_client_ok(0, res->records); + Z_InitResponse *res = apdu->u.initResponse; + if (*res->result == 0) + { + send_to_srw_client_error(3); + } + else if (!m_s2z_search_apdu) + { + send_srw_explain(); + } + else + { + handle_incoming_Z_PDU(m_s2z_search_apdu); + } } - else if (m_s2z_present_apdu) + else if (m_s2z_search_apdu && apdu->which == Z_APDU_searchResponse) { - handle_incoming_Z_PDU(m_s2z_present_apdu); + m_s2z_search_apdu = 0; + Z_SearchResponse *res = apdu->u.searchResponse; + m_s2z_hit_count = *res->resultCount; + if (res->records && res->records->which == Z_Records_NSD) + { + send_to_srw_client_ok(0, res->records, 1); + } + else if (m_s2z_present_apdu) + { + handle_incoming_Z_PDU(m_s2z_present_apdu); + } + else + { + send_to_srw_client_ok(m_s2z_hit_count, res->records, 1); + } } - else + else if (m_s2z_present_apdu && apdu->which == Z_APDU_presentResponse) { - send_to_srw_client_ok(m_s2z_hit_count, res->records); + int start = + *m_s2z_present_apdu->u.presentRequest->resultSetStartPoint; + + m_s2z_present_apdu = 0; + Z_PresentResponse *res = apdu->u.presentResponse; + send_to_srw_client_ok(m_s2z_hit_count, res->records, start); } } - else if (m_s2z_present_apdu && apdu->which == Z_APDU_presentResponse) - { - m_s2z_present_apdu = 0; - Z_PresentResponse *res = apdu->u.presentResponse; - send_to_srw_client_ok(m_s2z_hit_count, res->records); - } else return send_Z_PDU(apdu, len); return 0; @@ -881,6 +923,18 @@ int Yaz_Proxy::send_to_client(Z_APDU *apdu) m_client = 0; m_parent->pre_init(); } + if (m_http_version) + { + if (!m_http_keepalive) + { +#if 1 + timeout(1); +#else + shutdown(); + return -1; +#endif + } + } return r; } @@ -1146,8 +1200,6 @@ void Yaz_Proxy::recv_GDU(Z_GDU *apdu, int len) int bw_total = m_bw_stat.get_total(); int pdu_total = m_pdu_stat.get_total(); - yaz_log(LOG_LOG, "%sstat bw=%d pdu=%d limit-bw=%d limit-pdu=%d", - m_session_str, bw_total, pdu_total, m_bw_max, m_pdu_max); int reduce = 0; if (m_bw_max) { @@ -1166,7 +1218,10 @@ void Yaz_Proxy::recv_GDU(Z_GDU *apdu, int len) } if (reduce) { - yaz_log(LOG_LOG, "%sLimit delay=%d", m_session_str, reduce); + yaz_log(LOG_LOG, "%sdelay=%d bw=%d pdu=%d limit-bw=%d limit-pdu=%d", + m_session_str, reduce, bw_total, pdu_total, + m_bw_max, m_pdu_max); + m_bw_hold_PDU = apdu; // save PDU and signal "on hold" timeout(reduce); // call us reduce seconds later } @@ -1343,221 +1398,19 @@ Z_APDU *Yaz_Proxy::handle_syntax_validation(Z_APDU *apdu) return apdu; } -static int hex_digit (int ch) -{ - if (ch >= '0' && ch <= '9') - return ch - '0'; - else if (ch >= 'a' && ch <= 'f') - return ch - 'a'+10; - else if (ch >= 'A' && ch <= 'F') - return ch - 'A'+10; - return 0; -} - -static char *uri_val(const char *path, const char *name, ODR o) -{ - size_t nlen = strlen(name); - if (*path != '?') - return 0; - path++; - while (path && *path) - { - const char *p1 = strchr(path, '='); - if (!p1) - break; - if ((size_t)(p1 - path) == nlen && !memcmp(path, name, nlen)) - { - size_t i = 0; - char *ret; - - path = p1 + 1; - p1 = strchr(path, '&'); - if (!p1) - p1 = strlen(path) + path; - ret = (char*) odr_malloc(o, p1 - path + 1); - while (*path && *path != '&') - { - if (*path == '+') - { - ret[i++] = ' '; - path++; - } - else if (*path == '%' && path[1] && path[2]) - { - ret[i++] = hex_digit (path[1])*16 + hex_digit (path[2]); - path = path + 3; - } - else - ret[i++] = *path++; - } - ret[i] = '\0'; - return ret; - } - path = strchr(p1, '&'); - if (path) - path++; - } - return 0; -} - -void uri_val_int(const char *path, const char *name, ODR o, int **intp) -{ - const char *v = uri_val(path, name, o); - if (v) - *intp = odr_intdup(o, atoi(v)); -} - -int yaz_check_for_sru(Z_HTTP_Request *hreq, Z_SRW_PDU **srw_pdu, - char **soap_ns, ODR decode) -{ - if (!strcmp(hreq->method, "GET")) - { - char *db = "Default"; - const char *p0 = hreq->path, *p1; -#if HAVE_XML2 - int ret = -1; - char *charset = 0; - Z_SOAP *soap_package = 0; - static Z_SOAP_Handler soap_handlers[2] = { - {"http://www.loc.gov/zing/srw/v1.0/", 0, - (Z_SOAP_fun) yaz_srw_codec}, - {0, 0, 0} - }; -#endif - - if (*p0 == '/') - p0++; - p1 = strchr(p0, '?'); - if (!p1) - p1 = p0 + strlen(p0); - if (p1 != p0) - { - db = (char*) odr_malloc(decode, p1 - p0 + 1); - memcpy (db, p0, p1 - p0); - db[p1 - p0] = '\0'; - } -#if HAVE_XML2 - if (p1 && *p1 == '?' && p1[1]) - { - Z_SRW_PDU *sr = yaz_srw_get(decode, Z_SRW_searchRetrieve_request); - char *query = uri_val(p1, "query", decode); - char *pQuery = uri_val(p1, "pQuery", decode); - char *sortKeys = uri_val(p1, "sortKeys", decode); - - *srw_pdu = sr; - if (query) - { - sr->u.request->query_type = Z_SRW_query_type_cql; - sr->u.request->query.cql = query; - } - if (pQuery) - { - sr->u.request->query_type = Z_SRW_query_type_pqf; - sr->u.request->query.pqf = pQuery; - } - if (sortKeys) - { - sr->u.request->sort_type = Z_SRW_sort_type_sort; - sr->u.request->sort.sortKeys = sortKeys; - } - sr->u.request->recordSchema = uri_val(p1, "recordSchema", decode); - sr->u.request->recordPacking = uri_val(p1, "recordPacking", decode); - if (!sr->u.request->recordPacking) - sr->u.request->recordPacking = "xml"; - uri_val_int(p1, "maximumRecords", decode, - &sr->u.request->maximumRecords); - uri_val_int(p1, "startRecord", decode, - &sr->u.request->startRecord); - if (sr->u.request->startRecord) - yaz_log(LOG_LOG, "startRecord=%d", *sr->u.request->startRecord); - sr->u.request->database = db; - *soap_ns = "SRU"; - return 0; - } -#endif - return 1; - } - return 2; -} - -int yaz_check_for_srw(Z_HTTP_Request *hreq, Z_SRW_PDU **srw_pdu, - char **soap_ns, ODR decode) -{ - if (!strcmp(hreq->method, "POST")) - { - const char *content_type = z_HTTP_header_lookup(hreq->headers, - "Content-Type"); - if (content_type && !yaz_strcmp_del("text/xml", content_type, "; ")) - { - char *db = "Default"; - const char *p0 = hreq->path, *p1; - Z_SOAP *soap_package = 0; - int ret = -1; - int http_code = 500; - const char *charset_p = 0; - char *charset = 0; - - static Z_SOAP_Handler soap_handlers[2] = { -#if HAVE_XML2 - {"http://www.loc.gov/zing/srw/v1.0/", 0, - (Z_SOAP_fun) yaz_srw_codec}, -#endif - {0, 0, 0} - }; - - if (*p0 == '/') - p0++; - p1 = strchr(p0, '?'); - if (!p1) - p1 = p0 + strlen(p0); - if (p1 != p0) - { - db = (char*) odr_malloc(decode, p1 - p0 + 1); - memcpy (db, p0, p1 - p0); - db[p1 - p0] = '\0'; - } - - if ((charset_p = strstr(content_type, "; charset="))) - { - int i = 0; - charset_p += 10; - while (i < 20 && charset_p[i] && - !strchr("; \n\r", charset_p[i])) - i++; - charset = (char*) odr_malloc(decode, i+1); - memcpy(charset, charset_p, i); - charset[i] = '\0'; - yaz_log(LOG_LOG, "SOAP encoding %s", charset); - } - ret = z_soap_codec(decode, &soap_package, - &hreq->content_buf, &hreq->content_len, - soap_handlers); - if (!ret && soap_package->which == Z_SOAP_generic && - soap_package->u.generic->no == 0) - { - *srw_pdu = (Z_SRW_PDU*) soap_package->u.generic->p; - - if ((*srw_pdu)->which == Z_SRW_searchRetrieve_request && - (*srw_pdu)->u.request->database == 0) - (*srw_pdu)->u.request->database = db; - - *soap_ns = odr_strdup(decode, soap_package->ns); - return 0; - } - return 1; - } - } - return 2; -} - void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq) { Z_SRW_PDU *srw_pdu = 0; char *soap_ns = 0; - if (m_s2z_odr) + if (m_s2z_odr_init) + { + odr_destroy(m_s2z_odr_init); + m_s2z_odr_init = 0; + } + if (m_s2z_odr_search) { - odr_destroy(m_s2z_odr); - m_s2z_odr = 0; + odr_destroy(m_s2z_odr_search); + m_s2z_odr_search = 0; } m_http_keepalive = 0; @@ -1584,8 +1437,9 @@ void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq) if (yaz_check_for_srw(hreq, &srw_pdu, &soap_ns, odr_decode()) == 0 || yaz_check_for_sru(hreq, &srw_pdu, &soap_ns, odr_decode()) == 0) { - m_s2z_odr = odr_createmem(ODR_ENCODE); - m_soap_ns = odr_strdup(m_s2z_odr, soap_ns); + m_s2z_odr_init = odr_createmem(ODR_ENCODE); + m_s2z_odr_search = odr_createmem(ODR_ENCODE); + m_soap_ns = odr_strdup(m_s2z_odr_search, soap_ns); m_s2z_init_apdu = 0; m_s2z_search_apdu = 0; m_s2z_present_apdu = 0; @@ -1601,27 +1455,28 @@ void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq) m_s2z_packing = Z_SRW_recordPacking_string; // prepare search PDU - m_s2z_search_apdu = zget_APDU(m_s2z_odr, Z_APDU_searchRequest); + m_s2z_search_apdu = zget_APDU(m_s2z_odr_search, + Z_APDU_searchRequest); Z_SearchRequest *z_searchRequest = m_s2z_search_apdu->u.searchRequest; z_searchRequest->num_databaseNames = 1; z_searchRequest->databaseNames = (char**) - odr_malloc(m_s2z_odr, sizeof(char *)); - z_searchRequest->databaseNames[0] = odr_strdup(m_s2z_odr, + odr_malloc(m_s2z_odr_search, sizeof(char *)); + z_searchRequest->databaseNames[0] = odr_strdup(m_s2z_odr_search, srw_req->database); // query transformation Z_Query *query = (Z_Query *) - odr_malloc(odr_encode(), sizeof(Z_Query)); + odr_malloc(m_s2z_odr_search, sizeof(Z_Query)); z_searchRequest->query = query; if (srw_req->query_type == Z_SRW_query_type_cql) { Z_External *ext = (Z_External *) - odr_malloc(m_s2z_odr, sizeof(*ext)); + odr_malloc(m_s2z_odr_search, sizeof(*ext)); ext->direct_reference = - odr_getoidbystr(m_s2z_odr, "1.2.840.10003.16.2"); + odr_getoidbystr(m_s2z_odr_search, "1.2.840.10003.16.2"); ext->indirect_reference = 0; ext->descriptor = 0; ext->which = Z_External_CQL; @@ -1637,7 +1492,7 @@ void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq) pqf_parser = yaz_pqf_create (); - RPNquery = yaz_pqf_parse (pqf_parser, m_s2z_odr, + RPNquery = yaz_pqf_parse (pqf_parser, m_s2z_odr_search, srw_req->query.pqf); if (!RPNquery) { @@ -1677,25 +1532,31 @@ void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq) *z_searchRequest->mediumSetPresentNumber = max; *z_searchRequest->largeSetLowerBound = 2000000000; // 2e9 z_searchRequest->preferredRecordSyntax = - yaz_oidval_to_z3950oid(m_s2z_odr, CLASS_RECSYN, + yaz_oidval_to_z3950oid(m_s2z_odr_search, CLASS_RECSYN, VAL_TEXT_XML); } else // Z39.50 present { - m_s2z_present_apdu = zget_APDU(m_s2z_odr, + m_s2z_present_apdu = zget_APDU(m_s2z_odr_search, Z_APDU_presentRequest); Z_PresentRequest *z_presentRequest = m_s2z_present_apdu->u.presentRequest; *z_presentRequest->resultSetStartPoint = start; *z_presentRequest->numberOfRecordsRequested = max; z_presentRequest->preferredRecordSyntax = - yaz_oidval_to_z3950oid(m_s2z_odr, CLASS_RECSYN, + yaz_oidval_to_z3950oid(m_s2z_odr_search, CLASS_RECSYN, VAL_TEXT_XML); } } if (!m_client) { - m_s2z_init_apdu = zget_APDU(m_s2z_odr, Z_APDU_initRequest); + yaz_log(LOG_LOG, "handle_incoming: initRequest"); + m_s2z_init_apdu = zget_APDU(m_s2z_odr_init, + Z_APDU_initRequest); + + // prevent m_initRequest_apdu memory from being grabbed + // in Yaz_Proxy::handle_incoming_Z_PDU + m_initRequest_apdu = m_s2z_init_apdu; handle_incoming_Z_PDU(m_s2z_init_apdu); return; } @@ -1705,6 +1566,23 @@ void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq) return; } } + else if (srw_pdu->which == Z_SRW_explain_request) + { + if (!m_client) + { + yaz_log(LOG_LOG, "handle_incoming: initRequest"); + m_s2z_init_apdu = zget_APDU(m_s2z_odr_init, + Z_APDU_initRequest); + + // prevent m_initRequest_apdu memory from being grabbed + // in Yaz_Proxy::handle_incoming_Z_PDU + m_initRequest_apdu = m_s2z_init_apdu; + handle_incoming_Z_PDU(m_s2z_init_apdu); + } + else + send_srw_explain(); + return; + } } int len = 0; Z_GDU *p = z_get_HTTP_Response(odr_encode(), 400); @@ -1754,12 +1632,14 @@ void Yaz_Proxy::handle_incoming_Z_PDU(Z_APDU *apdu) { if (handle_init_response_for_invalid_session(apdu)) return; - Z_APDU *apdu = m_client->m_initResponse; - apdu->u.initResponse->otherInfo = 0; + Z_APDU *apdu2 = m_client->m_initResponse; + apdu2->u.initResponse->otherInfo = 0; if (m_client->m_cookie && *m_client->m_cookie) - set_otherInformationString(apdu, VAL_COOKIE, 1, + set_otherInformationString(apdu2, VAL_COOKIE, 1, m_client->m_cookie); - send_to_client(apdu); + apdu2->u.initResponse->referenceId = + apdu->u.initRequest->referenceId; + send_to_client(apdu2); return; } m_client->m_init_flag = 1; @@ -1956,6 +1836,7 @@ void Yaz_Proxy::pre_init() int keepalive_limit_bw, keepalive_limit_pdu; int pre_init; const char *cql2rpn = 0; + const char *zeerex = 0; Yaz_ProxyConfig *cfg = check_reconfigure(); @@ -1973,7 +1854,8 @@ void Yaz_Proxy::pre_init() &keepalive_limit_bw, &keepalive_limit_pdu, &pre_init, - &cql2rpn) ; i++) + &cql2rpn, + &zeerex) ; i++) { if (pre_init) {