X-Git-Url: http://git.indexdata.com/?p=yazproxy-moved-to-github.git;a=blobdiff_plain;f=src%2Fyaz-proxy.cpp;h=3b438400d522bd6670242e8f829f24d255d7cd7e;hp=b2465543e4b55ce6a0daab5a8cc7d94053a3dbdf;hb=cc9b18cf01e91da8c8902923916946d8668f7cbd;hpb=e456a212f9d27db9cc005ffa7f9783ccca3232c2 diff --git a/src/yaz-proxy.cpp b/src/yaz-proxy.cpp index b246554..3b43840 100644 --- a/src/yaz-proxy.cpp +++ b/src/yaz-proxy.cpp @@ -1,4 +1,4 @@ -/* $Id: yaz-proxy.cpp,v 1.4 2004-04-22 07:46:21 adam Exp $ +/* $Id: yaz-proxy.cpp,v 1.6 2004-08-29 13:01:43 adam Exp $ Copyright (c) 1998-2004, Index Data. This file is part of the yaz-proxy. @@ -141,6 +141,9 @@ 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; @@ -190,6 +193,8 @@ Yaz_Proxy::~Yaz_Proxy() xfree (m_time_tv); xfree (m_schema); + xfree (m_backend_type); + xfree (m_backend_charset); if (m_s2z_odr_init) odr_destroy(m_s2z_odr_init); if (m_s2z_odr_search) @@ -725,10 +730,37 @@ 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) + { + 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; + if (!backend_charset) + backend_charset = "MARC-8"; yaz_iconv_t cd = yaz_iconv_open("UTF-8", "MARC-8"); yaz_marc_t mt = yaz_marc_create(); yaz_marc_xml(mt, YAZ_MARC_MARCXML); @@ -1062,8 +1094,11 @@ int Yaz_Proxy::send_to_client(Z_APDU *apdu) { if (p && p->which == Z_Records_DBOSD) { + if (m_backend_type) + 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; @@ -1100,8 +1135,11 @@ int Yaz_Proxy::send_to_client(Z_APDU *apdu) } if (p && p->which == Z_Records_DBOSD) { + if (m_backend_type) + 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; } @@ -1208,6 +1246,12 @@ Z_APDU *Yaz_Proxy::result_set_optimize(Z_APDU *apdu) return 0; } Z_NamePlusRecordList *npr; + int oclass = 0; +#if 0 + yaz_log(LOG_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)) @@ -1593,12 +1637,22 @@ 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); if (stylesheet_name) { m_parent->low_socket_close(); @@ -1616,8 +1670,19 @@ 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 +1698,11 @@ 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 +1711,22 @@ 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); if (stylesheet_name) { m_parent->low_socket_close(); @@ -1664,8 +1744,18 @@ 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 +1772,11 @@ 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; }