X-Git-Url: http://git.indexdata.com/?p=yazproxy-moved-to-github.git;a=blobdiff_plain;f=src%2Fyaz-proxy.cpp;h=6abcbd7a21de4b8d9de3950fa37d813bb333fee5;hp=6b04f3845fe807eb7dc0c8808662d026f54e2055;hb=2bf4929fe90ac9500d8345f5ccf1e1e306ab27d6;hpb=02098acac83c12e26589fea83a0afd8f4e5018ca diff --git a/src/yaz-proxy.cpp b/src/yaz-proxy.cpp index 6b04f38..6abcbd7 100644 --- a/src/yaz-proxy.cpp +++ b/src/yaz-proxy.cpp @@ -1,7 +1,5 @@ -/* $Id: yaz-proxy.cpp,v 1.75 2007-04-30 19:46:34 adam Exp $ - Copyright (c) 1998-2007, Index Data. - -This file is part of the yazproxy. +/* This file is part of YAZ proxy + Copyright (C) 1998-2008 Index Data YAZ proxy is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free @@ -14,10 +12,9 @@ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License -along with YAZ proxy; see the file LICENSE. If not, write to the -Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. - */ +along with this program; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ #ifdef WIN32 #define HAVE_SYS_STAT_H 1 @@ -220,6 +217,7 @@ Yaz_Proxy::Yaz_Proxy(IPDU_Observable *the_PDU_Observable, m_seed = time(0); m_client_idletime = 600; m_target_idletime = 600; + m_max_sockets = 1024; m_optimize = xstrdup ("1"); strcpy(m_session_str, "0 "); m_session_no = 0; @@ -399,7 +397,6 @@ Yaz_ProxyConfig *Yaz_Proxy::check_reconfigure() if (m_reconfig_flag) { yaz_log(YLOG_LOG, "reconfigure"); - yaz_log_reopen(); if (m_config_fname && cfg) { yaz_log(YLOG_LOG, "reconfigure config %s", m_config_fname); @@ -487,7 +484,7 @@ char *Yaz_Proxy::get_cookie(Z_OtherInformation **otherInfo) Z_OtherInformationUnit *oi = update_otherInformation(otherInfo, 0, yaz_oid_userinfo_cookie, 1, 1); - if (oi->which == Z_OtherInfo_characterInfo) + if (oi && oi->which == Z_OtherInfo_characterInfo) return oi->information.characterInfo; return 0; } @@ -497,7 +494,7 @@ char *Yaz_Proxy::get_proxy(Z_OtherInformation **otherInfo) Z_OtherInformationUnit *oi = update_otherInformation(otherInfo, 0, yaz_oid_userinfo_proxy, 1, 1); - if (oi->which == Z_OtherInfo_characterInfo) + if (oi && oi->which == Z_OtherInfo_characterInfo) return oi->information.characterInfo; return 0; } @@ -547,8 +544,27 @@ const char *Yaz_Proxy::load_balance(const char **url) return ret_min; } +int Yaz_Proxy::get_number_of_connections() +{ + int no_connections = 0; + Yaz_ProxyClient *c; + + for (c = m_parent->m_clientPool; c; c = c->m_next) + { + assert(c->m_prev); + assert(*c->m_prev == c); + if (!strcmp(m_proxyTarget, c->get_hostname())) + { + no_connections++; + } + } + yaz_log (YLOG_LOG, "%sExisting %s connections: %d", m_session_str, m_proxyTarget, + no_connections); + return no_connections; +} + Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie, - const char *proxy_host) + const char *proxy_host, int *http_code) { assert (m_parent); Yaz_Proxy *parent = m_parent; @@ -585,6 +601,7 @@ Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie, &m_pdu_max, &m_max_record_retrieve, &m_search_max, &m_target_idletime, &client_idletime, + &m_max_sockets, &parent->m_max_clients, &m_keepalive_limit_bw, &m_keepalive_limit_pdu, @@ -680,7 +697,7 @@ Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie, { assert(c->m_prev); assert(*c->m_prev == c); - if (c->m_server == 0 && c->m_cookie == 0 && c->m_waiting == 0 + if (c->m_server == 0 && c->m_cookie == 0 && c->m_waiting == 0 && c->compare_idAuthentication(apdu) && c->compare_charset(apdu) && !strcmp(m_proxyTarget, c->get_hostname())) @@ -711,6 +728,16 @@ Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie, if (apdu->which != Z_APDU_initRequest) { yaz_log (YLOG_LOG, "%sno init request as first PDU", m_session_str); + *http_code = 500; + return 0; + } + + int no_in_use = get_number_of_connections(); + if (no_in_use >= m_max_sockets) + { + yaz_log (YLOG_LOG, "%smax sockets reached %d", m_session_str, + m_max_sockets); + *http_code = 500; return 0; } // go through list of clients - and find the lowest/oldest one. @@ -770,6 +797,7 @@ Yaz_ProxyClient *Yaz_Proxy::get_client(Z_APDU *apdu, const char *cookie, } else { + yaz_log (YLOG_LOG, "%sNEW %d %s", m_session_str, parent->m_seqno, m_proxyTarget); c = new Yaz_ProxyClient(m_PDU_Observable->clone(), parent); @@ -930,53 +958,30 @@ void Yaz_Proxy::convert_to_frontend_type(Z_NamePlusRecordList *p) Z_External *r = npr->u.databaseRecord; if (r->which == Z_External_octet) { -#if HAVE_USEMARCON +#if !HAVE_USEMARCON if (m_usemarcon_ini_stage1 && *m_usemarcon_ini_stage1) + yaz_log (YLOG_LOG, "%sError: USEMARCON requested but not available", + m_session_str); +#endif +#if HAVE_USEMARCON + yaz_log (YLOG_DEBUG, "%sUSEMARCON stage1=%s stage2=%s", + m_session_str, + m_usemarcon_ini_stage1 ? m_usemarcon_ini_stage1 : "(none)", + m_usemarcon_ini_stage2 ? m_usemarcon_ini_stage2 : "(none)"); + char *converted; + int convlen; + if (m_usemarcon->convert(m_usemarcon_ini_stage1, m_usemarcon_ini_stage2, + (char*) r->u.octet_aligned->buf, r->u.octet_aligned->len, + &converted, &convlen)) { - 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_oid(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; + npr->u.databaseRecord = + z_ext_record_oid(odr_encode(), + m_frontend_type, + converted, + strlen(converted)); + free(converted); } + else #endif /* HAVE_USEMARCON */ npr->u.databaseRecord = @@ -1011,7 +1016,7 @@ void Yaz_Proxy::convert_records_charset(Z_NamePlusRecordList *p, if (npr->which == Z_NamePlusRecord_databaseRecord) { Z_External *r = npr->u.databaseRecord; - const int *oid = r->direct_reference; + const Odr_oid *oid = r->direct_reference; if (!oid) continue; @@ -2796,18 +2801,6 @@ void Yaz_Proxy::handle_incoming_HTTP(Z_HTTP_Request *hreq) } auth->u.idPass->userId = odr_strdup(m_s2z_odr_init, authorization_str); } - else - { - // Use _client_ IP as shown in the log entries...! - yaz_log(YLOG_LOG, "No authorization_str present: use client IP: %s\n", m_peername); - - auth = (Z_IdAuthentication *) odr_malloc(m_s2z_odr_init, sizeof(Z_IdAuthentication)); - auth->which = Z_IdAuthentication_idPass; - auth->u.idPass = (Z_IdPass *) odr_malloc(m_s2z_odr_init, sizeof(Z_IdPass)); - auth->u.idPass->groupId = NULL; - auth->u.idPass->password = NULL; - auth->u.idPass->userId = odr_strdup(m_s2z_odr_init, m_peername); - } } if (srw_pdu->which == Z_SRW_searchRetrieve_request) @@ -3250,12 +3243,13 @@ void Yaz_Proxy::handle_incoming_Z_PDU(Z_APDU *apdu) // Determine our client. Z_OtherInformation **oi; get_otherInfoAPDU(apdu, &oi); - m_client = get_client(apdu, get_cookie(oi), get_proxy(oi)); + int http_code = 404; + m_client = get_client(apdu, get_cookie(oi), get_proxy(oi), &http_code); if (!m_client) { if (m_http_version) { // HTTP. Send not found - send_http_response(404); + send_http_response(http_code); return; } else @@ -3509,6 +3503,7 @@ void Yaz_Proxy::pre_init() const char *zurl_in_use[MAX_ZURL_PLEX]; int limit_bw, limit_pdu, limit_req, limit_search; int target_idletime, client_idletime; + int max_sockets; int max_clients; int keepalive_limit_bw, keepalive_limit_pdu; int pre_init; @@ -3530,6 +3525,7 @@ void Yaz_Proxy::pre_init() &limit_bw, &limit_pdu, &limit_req, &limit_search, &target_idletime, &client_idletime, + &max_sockets, &max_clients, &keepalive_limit_bw, &keepalive_limit_pdu, @@ -3573,7 +3569,8 @@ void Yaz_Proxy::pre_init() "sparew=%d preinit=%d",m_session_str, name, zurl_in_use[j], in_use, other, spare, spare_waiting, pre_init); - if (spare + spare_waiting < pre_init) + if (spare + spare_waiting < pre_init + && in_use + spare + spare_waiting + other < max_sockets) { c = new Yaz_ProxyClient(m_PDU_Observable->clone(), this); c->m_next = m_clientPool;