X-Git-Url: http://git.indexdata.com/?p=yazproxy-moved-to-github.git;a=blobdiff_plain;f=src%2Fyaz-proxy.cpp;h=1c655b5990e00dea2a1a1031734125745d2af31e;hp=b2465543e4b55ce6a0daab5a8cc7d94053a3dbdf;hb=ea4d2069a98496fb8bb2f904e5a694f2a345c887;hpb=e456a212f9d27db9cc005ffa7f9783ccca3232c2 diff --git a/src/yaz-proxy.cpp b/src/yaz-proxy.cpp index b246554..1c655b5 100644 --- a/src/yaz-proxy.cpp +++ b/src/yaz-proxy.cpp @@ -1,5 +1,5 @@ -/* $Id: yaz-proxy.cpp,v 1.4 2004-04-22 07:46:21 adam Exp $ - Copyright (c) 1998-2004, Index Data. +/* $Id: yaz-proxy.cpp,v 1.17 2005-01-11 20:58:04 adam Exp $ + Copyright (c) 1998-2005, Index Data. This file is part of the yaz-proxy. @@ -19,18 +19,21 @@ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#ifdef WIN32 -#else +#if HAVE_UNISTD_H #include #endif - -#if HAVE_GETTIMEOFDAY +#if HAVE_SYS_TIME_H #include #endif +#if HAVE_SYS_TYPES_H +#include +#endif +#if HAVE_SYS_STAT_H +#include +#endif #include #include -#include #include #include @@ -38,15 +41,9 @@ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA #include #include #include -#include +#include "proxyp.h" #include - -#if HAVE_XSLT -#include -#include -#include -#include -#endif +#include static const char *apdu_name(Z_APDU *apdu) { @@ -141,6 +138,9 @@ Yaz_Proxy::Yaz_Proxy(IYaz_PDU_Observable *the_PDU_Observable, m_s2z_stylesheet = 0; m_s2z_database = 0; m_schema = 0; + m_backend_type = 0; + m_backend_charset = 0; + m_frontend_type = 0; m_initRequest_apdu = 0; m_initRequest_mem = 0; m_initRequest_preferredMessageSize = 0; @@ -166,22 +166,25 @@ Yaz_Proxy::Yaz_Proxy(IYaz_PDU_Observable *the_PDU_Observable, #else m_time_tv = 0; #endif + m_usemarcon_ini_stage1 = 0; + m_usemarcon_ini_stage2 = 0; + m_usemarcon = new Yaz_usemarcon(); if (!m_parent) low_socket_open(); } Yaz_Proxy::~Yaz_Proxy() { - yaz_log(LOG_LOG, "%sClosed %d/%d sent/recv bytes total", m_session_str, + yaz_log(YLOG_LOG, "%sClosed %d/%d sent/recv bytes total", m_session_str, m_bytes_sent, m_bytes_recv); nmem_destroy(m_initRequest_mem); nmem_destroy(m_mem_invalid_session); nmem_destroy(m_referenceId_mem); - xfree (m_proxyTarget); - xfree (m_default_target); - xfree (m_proxy_authentication); - xfree (m_optimize); + xfree(m_proxyTarget); + xfree(m_default_target); + xfree(m_proxy_authentication); + xfree(m_optimize); #if HAVE_XSLT if (m_stylesheet_xsp) @@ -190,6 +193,11 @@ Yaz_Proxy::~Yaz_Proxy() xfree (m_time_tv); xfree (m_schema); + xfree (m_backend_type); + xfree (m_backend_charset); + xfree (m_usemarcon_ini_stage1); + xfree (m_usemarcon_ini_stage2); + delete m_usemarcon; if (m_s2z_odr_init) odr_destroy(m_s2z_odr_init); if (m_s2z_odr_search) @@ -235,14 +243,14 @@ Yaz_ProxyConfig *Yaz_Proxy::check_reconfigure() Yaz_ProxyConfig *cfg = m_config; if (m_reconfig_flag) { - yaz_log(LOG_LOG, "reconfigure"); + yaz_log(YLOG_LOG, "reconfigure"); yaz_log_reopen(); if (m_config_fname && cfg) { - yaz_log(LOG_LOG, "reconfigure config %s", m_config_fname); + yaz_log(YLOG_LOG, "reconfigure config %s", m_config_fname); int r = cfg->read_xml(m_config_fname); if (r) - yaz_log(LOG_WARN, "reconfigure failed"); + yaz_log(YLOG_WARN, "reconfigure failed"); else { m_log_mask = 0; @@ -250,7 +258,7 @@ Yaz_ProxyConfig *Yaz_Proxy::check_reconfigure() } } else - yaz_log(LOG_LOG, "reconfigure"); + yaz_log(YLOG_LOG, "reconfigure"); m_reconfig_flag = 0; } return cfg; @@ -276,7 +284,7 @@ IYaz_PDU_Observer *Yaz_Proxy::sessionNotify(IYaz_PDU_Observable new_proxy->set_proxy_authentication(m_proxy_authentication); sprintf(new_proxy->m_session_str, "%ld:%d ", (long) time(0), m_session_no); m_session_no++; - yaz_log (LOG_LOG, "%sNew session %s", new_proxy->m_session_str, + yaz_log (YLOG_LOG, "%sNew session %s", new_proxy->m_session_str, the_PDU_Observable->getpeername()); return new_proxy; } @@ -342,7 +350,7 @@ const char *Yaz_Proxy::load_balance(const char **url) const char *ret_spare = 0; for (i = 0; url[i]; i++) { - yaz_log(LOG_DEBUG, "%szurl=%s use=%d spare=%d", + yaz_log(YLOG_DEBUG, "%szurl=%s use=%d spare=%d", m_session_str, url[i], zurl_in_use[i], zurl_in_spare[i]); if (min_use > zurl_in_use[i]) { @@ -385,10 +393,11 @@ Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie, #endif xfree(m_default_target); m_default_target = xstrdup(proxy_host); - proxy_host = m_default_target; } + proxy_host = m_default_target; int client_idletime = -1; const char *cql2rpn_fname = 0; + const char *authentication = 0; url[0] = m_default_target; url[1] = 0; if (cfg) @@ -401,7 +410,8 @@ 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, + &authentication); } if (client_idletime != -1) { @@ -410,9 +420,11 @@ Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie, } if (cql2rpn_fname) m_cql2rpn.set_pqf_file(cql2rpn_fname); + if (authentication) + set_proxy_authentication(authentication); if (!url[0]) { - yaz_log(LOG_LOG, "%sNo default target", m_session_str); + yaz_log(YLOG_LOG, "%sNo default target", m_session_str); return 0; } // we don't handle multiplexing for cookie session, so we just @@ -438,7 +450,7 @@ Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie, // we have an initRequest we can safely do re-open if (c->m_waiting && apdu->which == Z_APDU_initRequest) { - yaz_log (LOG_LOG, "%s REOPEN target=%s", m_session_str, + yaz_log (YLOG_LOG, "%s REOPEN target=%s", m_session_str, c->get_hostname()); c->close(); c->m_init_flag = 0; @@ -462,24 +474,26 @@ Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie, c->m_server->m_client = 0; c->m_server = this; (parent->m_seqno)++; - yaz_log (LOG_DEBUG, "get_client 1 %p %p", this, c); + yaz_log (YLOG_DEBUG, "get_client 1 %p %p", this, c); return c; } } } - else if (!c) + else if (!c && apdu->which == Z_APDU_initRequest + && apdu->u.initRequest->idAuthentication == 0) { - // don't have a client session yet. Search in session w/o cookie + // anonymous sessions without cookie. + // if authentication is set it is NOT anonymous se we can't share them. for (c = parent->m_clientPool; c; c = c->m_next) { - assert (c->m_prev); - assert (*c->m_prev == c); + assert(c->m_prev); + assert(*c->m_prev == c); if (c->m_server == 0 && c->m_cookie == 0 && - c->m_waiting == 0 && + c->m_waiting == 0 && !strcmp(m_proxyTarget, c->get_hostname())) { // found it in cache - yaz_log (LOG_LOG, "%sREUSE %d %s", + yaz_log (YLOG_LOG, "%sREUSE %d %s", m_session_str, parent->m_seqno, c->get_hostname()); c->m_seqno = parent->m_seqno; @@ -503,7 +517,7 @@ Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie, { if (apdu->which != Z_APDU_initRequest) { - yaz_log (LOG_LOG, "%sno init request as first PDU", m_session_str); + yaz_log (YLOG_LOG, "%sno init request as first PDU", m_session_str); return 0; } Z_InitRequest *initRequest = apdu->u.initRequest; @@ -522,15 +536,21 @@ Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie, odr_strdup (odr_encode(), m_proxy_authentication); } } + else + { + // the client use authentication. We set the keepalive PDU + // to 0 so we don't cache it in releaseClient + m_keepalive_limit_pdu = 0; + } // go through list of clients - and find the lowest/oldest one. Yaz_ProxyClient *c_min = 0; int min_seq = -1; int no_of_clients = 0; if (parent->m_clientPool) - yaz_log (LOG_DEBUG, "Existing sessions"); + yaz_log (YLOG_DEBUG, "Existing sessions"); for (c = parent->m_clientPool; c; c = c->m_next) { - yaz_log (LOG_DEBUG, " Session %-3d wait=%d %s cookie=%s", c->m_seqno, + yaz_log (YLOG_DEBUG, " Session %-3d wait=%d %s cookie=%s", c->m_seqno, c->m_waiting, c->get_hostname(), c->m_cookie ? c->m_cookie : ""); no_of_clients++; @@ -545,7 +565,7 @@ Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie, c = c_min; if (c->m_waiting || strcmp(m_proxyTarget, c->get_hostname())) { - yaz_log (LOG_LOG, "%sMAXCLIENTS %d Destroy %d", + yaz_log (YLOG_LOG, "%sMAXCLIENTS %d Destroy %d", m_session_str, parent->m_max_clients, c->m_seqno); if (c->m_server && c->m_server != this) delete c->m_server; @@ -553,7 +573,7 @@ Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie, } else { - yaz_log (LOG_LOG, "%sMAXCLIENTS %d Reuse %d %d %s", + yaz_log (YLOG_LOG, "%sMAXCLIENTS %d Reuse %d %d %s", m_session_str, parent->m_max_clients, c->m_seqno, parent->m_seqno, c->get_hostname()); xfree (c->m_cookie); @@ -580,7 +600,7 @@ Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie, } else { - yaz_log (LOG_LOG, "%sNEW %d %s", + yaz_log (YLOG_LOG, "%sNEW %d %s", m_session_str, parent->m_seqno, m_proxyTarget); c = new Yaz_ProxyClient(m_PDU_Observable->clone(), parent); c->m_next = parent->m_clientPool; @@ -617,7 +637,7 @@ Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie, else c->set_APDU_yazlog(0); } - yaz_log (LOG_DEBUG, "get_client 3 %p %p", this, c); + yaz_log (YLOG_DEBUG, "get_client 3 %p %p", this, c); return c; } @@ -631,24 +651,24 @@ void Yaz_Proxy::display_diagrecs(Z_DiagRec **pp, int num) Z_DiagRec *p = pp[i]; if (p->which != Z_DiagRec_defaultFormat) { - yaz_log(LOG_LOG, "%sError no diagnostics", m_session_str); + yaz_log(YLOG_LOG, "%sError no diagnostics", m_session_str); return; } else r = p->u.defaultFormat; if (!(ent = oid_getentbyoid(r->diagnosticSetId)) || ent->oclass != CLASS_DIAGSET || ent->value != VAL_BIB1) - yaz_log(LOG_LOG, "%sError unknown diagnostic set", m_session_str); + yaz_log(YLOG_LOG, "%sError unknown diagnostic set", m_session_str); switch (r->which) { case Z_DefaultDiagFormat_v2Addinfo: - yaz_log(LOG_LOG, "%sError %d %s:%s", + yaz_log(YLOG_LOG, "%sError %d %s:%s", m_session_str, *r->condition, diagbib1_str(*r->condition), r->u.v2Addinfo); break; case Z_DefaultDiagFormat_v3Addinfo: - yaz_log(LOG_LOG, "%sError %d %s:%s", + yaz_log(YLOG_LOG, "%sError %d %s:%s", m_session_str, *r->condition, diagbib1_str(*r->condition), r->u.v3Addinfo); @@ -671,8 +691,8 @@ int Yaz_Proxy::convert_xsl(Z_NamePlusRecordList *p, Z_APDU *apdu) void Yaz_Proxy::convert_xsl_delay() { - Z_NamePlusRecord *npr = m_stylesheet_nprl->records[m_stylesheet_offset]; #if HAVE_XSLT + Z_NamePlusRecord *npr = m_stylesheet_nprl->records[m_stylesheet_offset]; if (npr->which == Z_NamePlusRecord_databaseRecord) { Z_External *r = npr->u.databaseRecord; @@ -686,7 +706,7 @@ void Yaz_Proxy::convert_xsl_delay() r->u.octet_aligned->len); - yaz_log(LOG_LOG, "%sXSLT convert %d", + yaz_log(YLOG_LOG, "%sXSLT convert %d", m_session_str, m_stylesheet_offset); res = xsltApplyStylesheet((xsltStylesheetPtr) m_stylesheet_xsp, doc, 0); @@ -725,11 +745,86 @@ void Yaz_Proxy::convert_xsl_delay() timeout(0); } -void Yaz_Proxy::convert_to_marcxml(Z_NamePlusRecordList *p) +void Yaz_Proxy::convert_to_frontend_type(Z_NamePlusRecordList *p) +{ + if (m_frontend_type != VAL_NONE) + { + int i; + for (i = 0; i < p->num_records; i++) + { + Z_NamePlusRecord *npr = p->records[i]; + if (npr->which == Z_NamePlusRecord_databaseRecord) + { + Z_External *r = npr->u.databaseRecord; + if (r->which == Z_External_octet) + { +#if HAVE_USEMARCON + if (m_usemarcon_ini_stage1 && *m_usemarcon_ini_stage1) + { + if (!m_usemarcon->m_stage1) + { + m_usemarcon->m_stage1 = new CDetails(); + } + m_usemarcon->m_stage1->SetIniFileName(m_usemarcon_ini_stage1); + m_usemarcon->m_stage1->SetMarcRecord((char*) r->u.octet_aligned->buf, r->u.octet_aligned->len); + int res = m_usemarcon->m_stage1->Start(); + if (res == 0) + { + char *converted; + int convlen; + m_usemarcon->m_stage1->GetMarcRecord(converted, convlen); + if (m_usemarcon_ini_stage2 && *m_usemarcon_ini_stage2) + { + if (!m_usemarcon->m_stage2) + { + m_usemarcon->m_stage2 = new CDetails(); + } + m_usemarcon->m_stage2->SetIniFileName(m_usemarcon_ini_stage2); + m_usemarcon->m_stage2->SetMarcRecord(converted, convlen); + res = m_usemarcon->m_stage2->Start(); + if (res == 0) + { + free(converted); + m_usemarcon->m_stage2->GetMarcRecord(converted, convlen); + } + else + { + yaz_log(YLOG_LOG, "%sUSEMARCON stage 2 error %d", m_session_str, res); + } + } + npr->u.databaseRecord = + z_ext_record(odr_encode(), + m_frontend_type, + converted, + strlen(converted)); + free(converted); + } + else + { + yaz_log(YLOG_LOG, "%sUSEMARCON stage 1 error %d", m_session_str, res); + } + continue; + } +#endif + npr->u.databaseRecord = + z_ext_record(odr_encode(), + m_frontend_type, + (char*) r->u.octet_aligned->buf, + r->u.octet_aligned->len); + } + } + } + } +} + +void Yaz_Proxy::convert_to_marcxml(Z_NamePlusRecordList *p, + const char *backend_charset) { int i; - yaz_iconv_t cd = yaz_iconv_open("UTF-8", "MARC-8"); + if (!backend_charset) + backend_charset = "MARC-8"; + yaz_iconv_t cd = yaz_iconv_open("UTF-8", backend_charset); yaz_marc_t mt = yaz_marc_create(); yaz_marc_xml(mt, YAZ_MARC_MARCXML); yaz_marc_iconv(mt, cd); @@ -770,7 +865,7 @@ void Yaz_Proxy::logtime() long diff = (tv1.tv_sec - tv->tv_sec)*1000000 + (tv1.tv_usec - tv->tv_usec); if (diff >= 0) - yaz_log(LOG_LOG, "%sElapsed %ld.%03ld", m_session_str, + yaz_log(YLOG_LOG, "%sElapsed %ld.%03ld", m_session_str, diff/1000000, (diff/1000)%1000); } tv->tv_sec = 0; @@ -792,7 +887,7 @@ int Yaz_Proxy::send_http_response(int code) if (m_log_mask & PROXY_LOG_REQ_CLIENT) { - yaz_log (LOG_LOG, "%sSending %s to client", m_session_str, + yaz_log (YLOG_LOG, "%sSending %s to client", m_session_str, gdu_name(gdu)); } int len; @@ -838,7 +933,7 @@ int Yaz_Proxy::send_srw_response(Z_SRW_PDU *srw_pdu) soap_handlers, 0, m_s2z_stylesheet); if (m_log_mask & PROXY_LOG_REQ_CLIENT) { - yaz_log (LOG_LOG, "%sSending %s to client", m_session_str, + yaz_log (YLOG_LOG, "%sSending %s to client", m_session_str, gdu_name(gdu)); } int len; @@ -943,8 +1038,8 @@ int Yaz_Proxy::send_srw_explain_response(Z_SRW_diagnostic *diagnostics, if (cfg) { int len; - char *b = cfg->get_explain(odr_encode(), 0 /* target */, - m_s2z_database, &len); + char *b = cfg->get_explain_doc(odr_encode(), 0 /* target */, + m_s2z_database, &len); if (b) { Z_SRW_PDU *res = yaz_srw_get(odr_encode(), Z_SRW_explain_response); @@ -1026,7 +1121,7 @@ int Yaz_Proxy::send_PDU_convert(Z_APDU *apdu) { int len = 0; if (m_log_mask & PROXY_LOG_REQ_CLIENT) - yaz_log (LOG_LOG, "%sSending %s to client", m_session_str, + yaz_log (YLOG_LOG, "%sSending %s to client", m_session_str, apdu_name(apdu)); int r = send_Z_PDU(apdu, &len); m_bytes_sent += len; @@ -1062,15 +1157,22 @@ int Yaz_Proxy::send_to_client(Z_APDU *apdu) { if (p && p->which == Z_Records_DBOSD) { + if (m_backend_type +#if HAVE_USEMARCON + || m_usemarcon_ini_stage1 || m_usemarcon_ini_stage2 +#endif + ) + convert_to_frontend_type(p->u.databaseOrSurDiagnostics); if (m_marcxml_flag) - convert_to_marcxml(p->u.databaseOrSurDiagnostics); + convert_to_marcxml(p->u.databaseOrSurDiagnostics, + m_backend_charset); if (convert_xsl(p->u.databaseOrSurDiagnostics, apdu)) return 0; } if (sr->resultCount) { - yaz_log(LOG_LOG, "%s%d hits", m_session_str, + yaz_log(YLOG_LOG, "%s%d hits", m_session_str, *sr->resultCount); if (*sr->resultCount < 0) { @@ -1100,8 +1202,15 @@ int Yaz_Proxy::send_to_client(Z_APDU *apdu) } if (p && p->which == Z_Records_DBOSD) { + if (m_backend_type +#if HAVE_USEMARCON + || m_usemarcon_ini_stage1 || m_usemarcon_ini_stage2 +#endif + ) + convert_to_frontend_type(p->u.databaseOrSurDiagnostics); if (m_marcxml_flag) - convert_to_marcxml(p->u.databaseOrSurDiagnostics); + convert_to_marcxml(p->u.databaseOrSurDiagnostics, + m_backend_charset); if (convert_xsl(p->u.databaseOrSurDiagnostics, apdu)) return 0; } @@ -1167,7 +1276,7 @@ int Yaz_ProxyClient::send_to_target(Z_APDU *apdu) const char *apdu_name_tmp = apdu_name(apdu); int r = send_Z_PDU(apdu, &len); if (m_root->get_log_mask() & PROXY_LOG_REQ_SERVER) - yaz_log (LOG_LOG, "%sSending %s to %s %d bytes", + yaz_log (YLOG_LOG, "%sSending %s to %s %d bytes", get_session_str(), apdu_name_tmp, get_hostname(), len); m_bytes_sent += len; @@ -1182,7 +1291,7 @@ Z_APDU *Yaz_Proxy::result_set_optimize(Z_APDU *apdu) int toget = *pr->numberOfRecordsRequested; int start = *pr->resultSetStartPoint; - yaz_log(LOG_LOG, "%sPresent %s %d+%d", m_session_str, + yaz_log(YLOG_LOG, "%sPresent %s %d+%d", m_session_str, pr->resultSetId, start, toget); if (*m_parent->m_optimize == '0') @@ -1208,11 +1317,16 @@ Z_APDU *Yaz_Proxy::result_set_optimize(Z_APDU *apdu) return 0; } Z_NamePlusRecordList *npr; +#if 0 + yaz_log(YLOG_LOG, "%sCache lookup %d+%d syntax=%s", + m_session_str, start, toget, yaz_z3950oid_to_str( + pr->preferredRecordSyntax, &oclass)); +#endif if (m_client->m_cache.lookup (odr_encode(), &npr, start, toget, pr->preferredRecordSyntax, pr->recordComposition)) { - yaz_log (LOG_LOG, "%sReturned cached records for present request", + yaz_log (YLOG_LOG, "%sReturned cached records for present request", m_session_str); Z_APDU *new_apdu = create_Z_PDU(Z_APDU_presentResponse); new_apdu->u.presentResponse->referenceId = pr->referenceId; @@ -1246,7 +1360,7 @@ Z_APDU *Yaz_Proxy::result_set_optimize(Z_APDU *apdu) char query_str[120]; this_query->print(query_str, sizeof(query_str)-1); - yaz_log(LOG_LOG, "%sSearch %s", m_session_str, query_str); + yaz_log(YLOG_LOG, "%sSearch %s", m_session_str, query_str); if (*m_parent->m_optimize != '0' && m_client->m_last_ok && m_client->m_last_query && @@ -1276,7 +1390,7 @@ Z_APDU *Yaz_Proxy::result_set_optimize(Z_APDU *apdu) if (m_client->m_cache.lookup (odr_encode(), &npr, 1, toget, sr->preferredRecordSyntax, comp)) { - yaz_log (LOG_LOG, "%sReturned cached records for medium set", + yaz_log (YLOG_LOG, "%sReturned cached records for medium set", m_session_str); Z_APDU *new_apdu = create_Z_PDU(Z_APDU_searchResponse); new_apdu->u.searchResponse->referenceId = sr->referenceId; @@ -1301,7 +1415,7 @@ Z_APDU *Yaz_Proxy::result_set_optimize(Z_APDU *apdu) { // medium Set // send present request (medium size) - yaz_log (LOG_LOG, "%sOptimizing search for medium set", + yaz_log (YLOG_LOG, "%sOptimizing search for medium set", m_session_str); Z_APDU *new_apdu = create_Z_PDU(Z_APDU_presentRequest); @@ -1319,7 +1433,7 @@ Z_APDU *Yaz_Proxy::result_set_optimize(Z_APDU *apdu) m_client->m_last_resultCount <= 0) { // large set. Return pseudo-search response immediately - yaz_log (LOG_LOG, "%sOptimizing search for large set", + yaz_log (YLOG_LOG, "%sOptimizing search for large set", m_session_str); Z_APDU *new_apdu = create_Z_PDU(Z_APDU_searchResponse); new_apdu->u.searchResponse->referenceId = sr->referenceId; @@ -1347,7 +1461,7 @@ Z_APDU *Yaz_Proxy::result_set_optimize(Z_APDU *apdu) if (m_client->m_cache.lookup (odr_encode(), &npr, 1, toget, sr->preferredRecordSyntax, comp)) { - yaz_log (LOG_LOG, "%sReturned cached records for small set", + yaz_log (YLOG_LOG, "%sReturned cached records for small set", m_session_str); Z_APDU *new_apdu = create_Z_PDU(Z_APDU_searchResponse); new_apdu->u.searchResponse->referenceId = sr->referenceId; @@ -1370,7 +1484,7 @@ Z_APDU *Yaz_Proxy::result_set_optimize(Z_APDU *apdu) } else { - yaz_log (LOG_LOG, "%sOptimizing search for small set", + yaz_log (YLOG_LOG, "%sOptimizing search for small set", m_session_str); Z_APDU *new_apdu = create_Z_PDU(Z_APDU_presentRequest); Z_PresentRequest *pr = new_apdu->u.presentRequest; @@ -1417,7 +1531,7 @@ void Yaz_Proxy::recv_GDU(Z_GDU *apdu, int len) m_bytes_recv += len; if (m_log_mask & PROXY_LOG_REQ_CLIENT) - yaz_log (LOG_LOG, "%sReceiving %s from client %d bytes", + yaz_log (YLOG_LOG, "%sReceiving %s from client %d bytes", m_session_str, gdu_name(apdu), len); if (m_bw_hold_PDU) // double incoming PDU. shutdown now. @@ -1449,9 +1563,10 @@ void Yaz_Proxy::recv_GDU(Z_GDU *apdu, int len) reduce = (reduce > nreduce) ? reduce : nreduce; } } + m_http_version = 0; if (reduce) { - yaz_log(LOG_LOG, "%sdelay=%d bw=%d pdu=%d limit-bw=%d limit-pdu=%d", + yaz_log(YLOG_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); @@ -1512,17 +1627,17 @@ Z_APDU *Yaz_Proxy::handle_query_transformation(Z_APDU *apdu) Z_SearchRequest *sr = apdu->u.searchRequest; char *addinfo = 0; - yaz_log(LOG_LOG, "%sCQL: %s", m_session_str, + yaz_log(YLOG_LOG, "%sCQL: %s", m_session_str, sr->query->u.type_104->u.cql); int r = m_cql2rpn.query_transform(sr->query->u.type_104->u.cql, &rpnquery, odr_encode(), &addinfo); if (r == -3) - yaz_log(LOG_LOG, "%sNo CQL to RPN table", m_session_str); + yaz_log(YLOG_LOG, "%sNo CQL to RPN table", m_session_str); else if (r) { - yaz_log(LOG_LOG, "%sCQL Conversion error %d", m_session_str, r); + yaz_log(YLOG_LOG, "%sCQL Conversion error %d", m_session_str, r); Z_APDU *new_apdu = create_Z_PDU(Z_APDU_searchResponse); new_apdu->u.searchResponse->referenceId = sr->referenceId; @@ -1593,12 +1708,24 @@ Z_APDU *Yaz_Proxy::handle_syntax_validation(Z_APDU *apdu) rc = &rc_temp; } + if (sr->preferredRecordSyntax) + { + struct oident *ent; + ent = oid_getentbyoid(sr->preferredRecordSyntax); + m_frontend_type = ent->value; + } + else + m_frontend_type = VAL_NONE; + char *stylesheet_name = 0; if (cfg) err = cfg->check_syntax(odr_encode(), m_default_target, sr->preferredRecordSyntax, rc, - &addinfo, &stylesheet_name, &m_schema); + &addinfo, &stylesheet_name, &m_schema, + &m_backend_type, &m_backend_charset, + &m_usemarcon_ini_stage1, + &m_usemarcon_ini_stage2); if (stylesheet_name) { m_parent->low_socket_close(); @@ -1616,8 +1743,19 @@ Z_APDU *Yaz_Proxy::handle_syntax_validation(Z_APDU *apdu) } if (err == -1) { - sr->preferredRecordSyntax = - yaz_oidval_to_z3950oid(odr_encode(), CLASS_RECSYN, VAL_USMARC); + sr->smallSetElementSetNames = 0; + sr->mediumSetElementSetNames = 0; + if (m_backend_type) + { + + sr->preferredRecordSyntax = + yaz_str_to_z3950oid(odr_encode(), CLASS_RECSYN, + m_backend_type); + } + else + sr->preferredRecordSyntax = + yaz_oidval_to_z3950oid(odr_encode(), CLASS_RECSYN, + VAL_USMARC); m_marcxml_flag = 1; } else if (err) @@ -1633,6 +1771,11 @@ Z_APDU *Yaz_Proxy::handle_syntax_validation(Z_APDU *apdu) return 0; } + else if (m_backend_type) + { + sr->preferredRecordSyntax = + yaz_str_to_z3950oid(odr_encode(), CLASS_RECSYN, m_backend_type); + } } else if (apdu->which == Z_APDU_presentRequest) { @@ -1641,12 +1784,25 @@ Z_APDU *Yaz_Proxy::handle_syntax_validation(Z_APDU *apdu) char *addinfo = 0; Yaz_ProxyConfig *cfg = check_reconfigure(); + if (pr->preferredRecordSyntax) + { + struct oident *ent; + ent = oid_getentbyoid(pr->preferredRecordSyntax); + m_frontend_type = ent->value; + } + else + m_frontend_type = VAL_NONE; + char *stylesheet_name = 0; if (cfg) err = cfg->check_syntax(odr_encode(), m_default_target, pr->preferredRecordSyntax, pr->recordComposition, - &addinfo, &stylesheet_name, &m_schema); + &addinfo, &stylesheet_name, &m_schema, + &m_backend_type, &m_backend_charset, + &m_usemarcon_ini_stage1, + &m_usemarcon_ini_stage2 + ); if (stylesheet_name) { m_parent->low_socket_close(); @@ -1664,8 +1820,18 @@ Z_APDU *Yaz_Proxy::handle_syntax_validation(Z_APDU *apdu) } if (err == -1) { - pr->preferredRecordSyntax = - yaz_oidval_to_z3950oid(odr_decode(), CLASS_RECSYN, VAL_USMARC); + pr->recordComposition = 0; + if (m_backend_type) + { + + pr->preferredRecordSyntax = + yaz_str_to_z3950oid(odr_encode(), CLASS_RECSYN, + m_backend_type); + } + else + pr->preferredRecordSyntax = + yaz_oidval_to_z3950oid(odr_encode(), CLASS_RECSYN, + VAL_USMARC); m_marcxml_flag = 1; } else if (err) @@ -1682,6 +1848,11 @@ Z_APDU *Yaz_Proxy::handle_syntax_validation(Z_APDU *apdu) return 0; } + else if (m_backend_type) + { + pr->preferredRecordSyntax = + yaz_str_to_z3950oid(odr_encode(), CLASS_RECSYN, m_backend_type); + } } return apdu; } @@ -1697,6 +1868,89 @@ Z_ElementSetNames *Yaz_Proxy::mk_esn_from_schema(ODR o, const char *schema) return esn; } +void Yaz_Proxy::srw_get_client(const char *db, const char **backend_db) +{ + const char *t = 0; + Yaz_ProxyConfig *cfg = check_reconfigure(); + if (cfg) + t = cfg->get_explain_name(db, backend_db); + + if (m_client && m_default_target && t && strcmp(m_default_target, t)) + { + releaseClient(); + } + + if (t) + { + xfree(m_default_target); + m_default_target = xstrdup(t); + } +} + +int Yaz_Proxy::file_access(Z_HTTP_Request *hreq) +{ + yaz_log(YLOG_LOG, "file_access"); + if (strcmp(hreq->method, "GET")) + return 0; + struct stat sbuf; + if (hreq->path[0] != '/') + { + yaz_log(YLOG_WARN, "Path != /"); + return 0; + } + const char *cp = hreq->path; + while (*cp) + { + if (*cp == '/' && strchr("/.", cp[1])) + return 0; + cp++; + } + const char *fname = hreq->path+1; + if (stat(fname, &sbuf)) + { + yaz_log(YLOG_WARN, "stat %s failed", fname); + return 0; + } + if ((sbuf.st_mode & S_IFMT) != S_IFREG) + return 0; + if (sbuf.st_size > (off_t) 1000000) + return 0; + + ODR o = odr_encode(); + Yaz_ProxyConfig *cfg = check_reconfigure(); + const char *ctype = cfg->check_mime_type(fname); + Z_GDU *gdu = z_get_HTTP_Response(o, 200); + Z_HTTP_Response *hres = gdu->u.HTTP_Response; + if (m_http_version) + hres->version = odr_strdup(o, m_http_version); + z_HTTP_header_add(o, &hres->headers, "Content-Type", ctype); + if (m_http_keepalive) + z_HTTP_header_add(o, &hres->headers, "Connection", "Keep-Alive"); + else + timeout(0); + + hres->content_len = sbuf.st_size; + hres->content_buf = (char*) odr_malloc(o, hres->content_len); + FILE *f = fopen(fname, "rb"); + if (f) + { + fread(hres->content_buf, 1, hres->content_len, f); + fclose(f); + } + else + { + return 0; + } + if (m_log_mask & PROXY_LOG_REQ_CLIENT) + { + yaz_log (YLOG_LOG, "%sSending file %s to client", m_session_str, + fname); + } + int len; + send_GDU(gdu, &len); + return 1; +} + void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq) { if (m_s2z_odr_init) @@ -1736,10 +1990,15 @@ void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq) char *charset = 0; Z_SRW_diagnostic *diagnostic = 0; int num_diagnostic = 0; - if (yaz_srw_decode(hreq, &srw_pdu, &soap_package, odr_decode(), - &charset) == 0 - || yaz_sru_decode(hreq, &srw_pdu, &soap_package, odr_decode(), - &charset, &diagnostic, &num_diagnostic) == 0) + + if (file_access(hreq)) + { + return; + } + else if (yaz_srw_decode(hreq, &srw_pdu, &soap_package, odr_decode(), + &charset) == 0 + || yaz_sru_decode(hreq, &srw_pdu, &soap_package, odr_decode(), + &charset, &diagnostic, &num_diagnostic) == 0) { m_s2z_odr_init = odr_createmem(ODR_ENCODE); m_s2z_odr_search = odr_createmem(ODR_ENCODE); @@ -1754,6 +2013,9 @@ void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq) { Z_SRW_searchRetrieveRequest *srw_req = srw_pdu->u.request; + const char *backend_db = srw_req->database; + srw_get_client(srw_req->database, &backend_db); + m_s2z_database = odr_strdup(m_s2z_odr_init, srw_req->database); // recordXPath unsupported. if (srw_req->recordXPath) @@ -1804,7 +2066,7 @@ void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq) z_searchRequest->databaseNames = (char**) odr_malloc(m_s2z_odr_search, sizeof(char *)); z_searchRequest->databaseNames[0] = odr_strdup(m_s2z_odr_search, - srw_req->database); + backend_db); // query transformation Z_Query *query = (Z_Query *) @@ -1839,8 +2101,8 @@ void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq) const char *pqf_msg; size_t off; int code = yaz_pqf_error (pqf_parser, &pqf_msg, &off); - yaz_log(LOG_LOG, "%*s^\n", off+4, ""); - yaz_log(LOG_LOG, "Bad PQF: %s (code %d)\n", pqf_msg, code); + yaz_log(YLOG_LOG, "%*s^\n", off+4, ""); + yaz_log(YLOG_LOG, "Bad PQF: %s (code %d)\n", pqf_msg, code); send_to_srw_client_error(10, 0); return; @@ -1931,6 +2193,9 @@ void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq) { Z_SRW_explainRequest *srw_req = srw_pdu->u.explain_request; + const char *backend_db = srw_req->database; + srw_get_client(srw_req->database, &backend_db); + m_s2z_database = odr_strdup(m_s2z_odr_init, srw_req->database); // save stylesheet @@ -1989,10 +2254,7 @@ void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq) send_to_srw_client_error(4, 0); } } - int len = 0; - Z_GDU *p = z_get_HTTP_Response(odr_encode(), 400); - timeout(0); - send_GDU(p, &len); + send_http_response(400); } void Yaz_Proxy::handle_incoming_Z_PDU(Z_APDU *apdu) @@ -2024,21 +2286,29 @@ void Yaz_Proxy::handle_incoming_Z_PDU(Z_APDU *apdu) m_client = get_client(apdu, get_cookie(oi), get_proxy(oi)); if (!m_client) { - delete this; - return; + if (m_http_version) + { + send_http_response(404); + return; + } + else + { + delete this; + return; + } } m_client->m_server = this; if (apdu->which == Z_APDU_initRequest) { if (apdu->u.initRequest->implementationId) - yaz_log(LOG_LOG, "%simplementationId: %s", + yaz_log(YLOG_LOG, "%simplementationId: %s", m_session_str, apdu->u.initRequest->implementationId); if (apdu->u.initRequest->implementationName) - yaz_log(LOG_LOG, "%simplementationName: %s", + yaz_log(YLOG_LOG, "%simplementationName: %s", m_session_str, apdu->u.initRequest->implementationName); if (apdu->u.initRequest->implementationVersion) - yaz_log(LOG_LOG, "%simplementationVersion: %s", + yaz_log(YLOG_LOG, "%simplementationVersion: %s", m_session_str, apdu->u.initRequest->implementationVersion); if (m_initRequest_apdu == 0) { @@ -2122,9 +2392,9 @@ void Yaz_Proxy::handle_incoming_Z_PDU(Z_APDU *apdu) return; } - // delete other info part from PDU before sending to target + // delete other info construct completely if 0 elements get_otherInfoAPDU(apdu, &oi); - if (oi) + if (oi && *oi && (*oi)->num_elements == 0) *oi = 0; if (apdu->which == Z_APDU_presentRequest && @@ -2150,8 +2420,10 @@ void Yaz_Proxy::connectNotify() { } -void Yaz_Proxy::shutdown() +void Yaz_Proxy::releaseClient() { + xfree(m_proxyTarget); + m_proxyTarget = 0; m_invalid_session = 0; // only keep if keep_alive flag is set... if (m_client && @@ -2159,39 +2431,45 @@ void Yaz_Proxy::shutdown() m_client->m_bytes_recv+m_client->m_bytes_sent < m_keepalive_limit_bw && m_client->m_waiting == 0) { - yaz_log(LOG_LOG, "%sShutdown (client to proxy) keepalive %s", + yaz_log(YLOG_LOG, "%sShutdown (client to proxy) keepalive %s", m_session_str, m_client->get_hostname()); - yaz_log(LOG_LOG, "%sbw=%d pdu=%d limit-bw=%d limit-pdu=%d", + yaz_log(YLOG_LOG, "%sbw=%d pdu=%d limit-bw=%d limit-pdu=%d", m_session_str, m_client->m_pdu_recv, m_client->m_bytes_sent + m_client->m_bytes_recv, m_keepalive_limit_bw, m_keepalive_limit_pdu); assert (m_client->m_waiting != 2); // Tell client (if any) that no server connection is there.. m_client->m_server = 0; - m_invalid_session = 0; + m_client = 0; } else if (m_client) { - yaz_log (LOG_LOG, "%sShutdown (client to proxy) close %s", + yaz_log (YLOG_LOG, "%sShutdown (client to proxy) close %s", m_session_str, m_client->get_hostname()); assert (m_client->m_waiting != 2); delete m_client; + m_client = 0; } else if (!m_parent) { - yaz_log (LOG_LOG, "%sshutdown (client to proxy) bad state", + yaz_log (YLOG_LOG, "%sshutdown (client to proxy) bad state", m_session_str); assert (m_parent); } else { - yaz_log (LOG_LOG, "%sShutdown (client to proxy)", + yaz_log (YLOG_LOG, "%sShutdown (client to proxy)", m_session_str); } if (m_parent) m_parent->pre_init(); +} + +void Yaz_Proxy::shutdown() +{ + releaseClient(); delete this; } @@ -2204,7 +2482,7 @@ const char *Yaz_ProxyClient::get_session_str() void Yaz_ProxyClient::shutdown() { - yaz_log (LOG_LOG, "%sShutdown (proxy to target) %s", get_session_str(), + yaz_log (YLOG_LOG, "%sShutdown (proxy to target) %s", get_session_str(), get_hostname()); delete m_server; delete this; @@ -2213,7 +2491,7 @@ void Yaz_ProxyClient::shutdown() void Yaz_Proxy::failNotify() { inc_request_no(); - yaz_log (LOG_LOG, "%sConnection closed by client", + yaz_log (YLOG_LOG, "%sConnection closed by client", get_session_str()); shutdown(); } @@ -2222,7 +2500,7 @@ void Yaz_ProxyClient::failNotify() { if (m_server) m_server->inc_request_no(); - yaz_log (LOG_LOG, "%sConnection closed by target %s", + yaz_log (YLOG_LOG, "%sConnection closed by target %s", get_session_str(), get_hostname()); shutdown(); } @@ -2231,7 +2509,7 @@ void Yaz_ProxyClient::connectNotify() { const char *s = get_session_str(); const char *h = get_hostname(); - yaz_log (LOG_LOG, "%sConnection accepted by %s timeout=%d", s, h, + yaz_log (YLOG_LOG, "%sConnection accepted by %s timeout=%d", s, h, m_target_idletime); timeout(m_target_idletime); if (!m_server) @@ -2294,6 +2572,7 @@ void Yaz_Proxy::pre_init() int keepalive_limit_bw, keepalive_limit_pdu; int pre_init; const char *cql2rpn = 0; + const char *authentication = 0; Yaz_ProxyConfig *cfg = check_reconfigure(); @@ -2311,7 +2590,8 @@ void Yaz_Proxy::pre_init() &keepalive_limit_bw, &keepalive_limit_pdu, &pre_init, - &cql2rpn) ; i++) + &cql2rpn, + &authentication) ; i++) { if (pre_init) { @@ -2341,7 +2621,7 @@ void Yaz_Proxy::pre_init() other++; } } - yaz_log(LOG_LOG, "%spre-init %s %s use=%d other=%d spare=%d " + yaz_log(YLOG_LOG, "%spre-init %s %s use=%d other=%d spare=%d " "sparew=%d preinit=%d",m_session_str, name, zurl_in_use[j], in_use, other, spare, spare_waiting, pre_init); @@ -2396,7 +2676,7 @@ void Yaz_Proxy::timeoutNotify() { inc_request_no(); - yaz_log (LOG_LOG, "%sTimeout (client to proxy)", m_session_str); + yaz_log (YLOG_LOG, "%sTimeout (client to proxy)", m_session_str); shutdown(); } } @@ -2418,7 +2698,7 @@ void Yaz_ProxyClient::timeoutNotify() if (m_server) m_server->inc_request_no(); - yaz_log (LOG_LOG, "%sTimeout (proxy to target) %s", get_session_str(), + yaz_log (YLOG_LOG, "%sTimeout (proxy to target) %s", get_session_str(), get_hostname()); m_waiting = 1; m_root->pre_init(); @@ -2508,7 +2788,7 @@ void Yaz_ProxyClient::recv_Z_PDU(Z_APDU *apdu, int len) m_pdu_recv++; m_waiting = 0; if (m_root->get_log_mask() & PROXY_LOG_REQ_SERVER) - yaz_log (LOG_LOG, "%sReceiving %s from %s %d bytes", get_session_str(), + yaz_log (YLOG_LOG, "%sReceiving %s from %s %d bytes", get_session_str(), apdu_name(apdu), get_hostname(), len); if (apdu->which == Z_APDU_initResponse) { @@ -2623,7 +2903,7 @@ int Yaz_Proxy::server(const char *addr) int r = Yaz_Z_Assoc::server(addr); if (!r) { - yaz_log(LOG_LOG, "%sStarted proxy " + yaz_log(YLOG_LOG, "%sStarted proxy " #ifdef VERSION VERSION #endif