From: Adam Dickmeiss Date: Tue, 21 Jun 2005 18:46:04 +0000 (+0000) Subject: Handle multiple input PDU packages using GDU class of YAZ++ 1.0. X-Git-Tag: YAZPROXY.ERE2~7 X-Git-Url: http://git.indexdata.com/?p=yazproxy-moved-to-github.git;a=commitdiff_plain;h=e7f41bcf7b9b13a3a744ade63f5c00ba9097c990 Handle multiple input PDU packages using GDU class of YAZ++ 1.0. Rewrote timeout handling dealing with XSL transform + Delay (because of handwidth limits). --- diff --git a/buildconf.sh b/buildconf.sh index 40f6114..d28f54e 100755 --- a/buildconf.sh +++ b/buildconf.sh @@ -1,10 +1,9 @@ #!/bin/sh -# $Id: buildconf.sh,v 1.6 2005-05-08 15:23:05 adam Exp $ +# $Id: buildconf.sh,v 1.7 2005-06-21 18:46:04 adam Exp $ set -x aclocal -I . libtoolize --automake --force automake --add-missing -automake --add-missing autoconf set - if [ -f config.cache ]; then diff --git a/configure.in b/configure.in index 6ea5f1a..a41d27c 100644 --- a/configure.in +++ b/configure.in @@ -7,7 +7,7 @@ AC_PROG_CXX AC_HEADER_STDC AM_PROG_LIBTOOL -YAZPP_INIT(threads,0.9) +YAZPP_INIT(threads,1.0) if test -z "$YAZPPLIB"; then AC_MSG_ERROR([YAZ++ development libraries missing]) fi diff --git a/etc/config.xml b/etc/config.xml index b7721cc..80aa370 100644 --- a/etc/config.xml +++ b/etc/config.xml @@ -1,5 +1,5 @@ - + 2000000 - 50 + 60 100 @@ -25,7 +25,12 @@ - + + Dublin Core + dc + 0 diff --git a/include/yazproxy/module.h b/include/yazproxy/module.h index 2e9917b..d28929f 100644 --- a/include/yazproxy/module.h +++ b/include/yazproxy/module.h @@ -1,4 +1,4 @@ -/* $Id: module.h,v 1.4 2005-06-10 22:53:43 adam Exp $ +/* $Id: module.h,v 1.5 2005-06-21 18:46:04 adam Exp $ Copyright (c) 1998-2005, Index Data. This file is part of the yaz-proxy. @@ -46,7 +46,8 @@ struct Yaz_ProxyModule_int0 { void *element_ptr, // xmlnodePtr thing to XML config this const char *user, // User ID (or NULL if no suppliied User ID) const char *group, // Group ID (or NULL if no supplied Group ID) - const char *pw // Password (or NULL if no supplied password) + const char *pw, // Password (or NULL if no supplied password) + const char *peer_IP// IP address of client ); }; @@ -61,7 +62,8 @@ class Yaz_ProxyModules { const char *target_name, void *element_ptr, const char *user, const char *group, - const char *password); + const char *password, + const char *peer_IP); int add_module(const char *fname); void unload_modules(); private: diff --git a/include/yazproxy/proxy.h b/include/yazproxy/proxy.h index 7f1c873..dc56028 100644 --- a/include/yazproxy/proxy.h +++ b/include/yazproxy/proxy.h @@ -1,4 +1,4 @@ -/* $Id: proxy.h,v 1.20 2005-06-10 22:54:22 adam Exp $ +/* $Id: proxy.h,v 1.21 2005-06-21 18:46:04 adam Exp $ Copyright (c) 1998-2005, Index Data. This file is part of the yaz-proxy. @@ -28,6 +28,7 @@ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA #include #include #include +#include #include class Yaz_Proxy; @@ -55,6 +56,7 @@ class Msg_Thread; class YAZ_EXPORT Yaz_Proxy : public yazpp_1::Z_Assoc { friend class Proxy_Msg; private: + char *m_peername; int m_ref_count; char *get_cookie(Z_OtherInformation **otherInfo); char *get_proxy(Z_OtherInformation **otherInfo); @@ -91,6 +93,14 @@ class YAZ_EXPORT Yaz_Proxy : public yazpp_1::Z_Assoc { int m_bytes_sent; int m_bytes_recv; int m_bw_max; + + yazpp_1::GDU *m_timeout_gdu; + enum timeout_mode { + timeout_normal, + timeout_reduce, + timeout_xsl + } m_timeout_mode; + Yaz_bw m_bw_stat; int m_pdu_max; Yaz_bw m_pdu_stat; @@ -113,7 +123,7 @@ class YAZ_EXPORT Yaz_Proxy : public yazpp_1::Z_Assoc { int m_reconfig_flag; Yaz_ProxyConfig *check_reconfigure(); int m_request_no; - int m_invalid_session; + int m_flag_invalid_session; YAZ_Proxy_MARCXML_mode m_marcxml_mode; void *m_stylesheet_xsp; // Really libxslt's xsltStylesheetPtr int m_stylesheet_offset; @@ -178,6 +188,7 @@ class YAZ_EXPORT Yaz_Proxy : public yazpp_1::Z_Assoc { char *m_usemarcon_ini_stage2; Yaz_usemarcon *m_usemarcon; Yaz_CharsetConverter *m_charset_converter; + yazpp_1::GDUQueue m_in_queue; public: Yaz_Proxy(yazpp_1::IPDU_Observable *the_PDU_Observable, yazpp_1::ISocketObservable *the_socket_observable, @@ -194,6 +205,9 @@ class YAZ_EXPORT Yaz_Proxy : public yazpp_1::Z_Assoc { void handle_init(Z_APDU *apdu); void inc_request_no(); void recv_GDU(Z_GDU *apdu, int len); + void recv_GDU_reduce(yazpp_1::GDU *gdu); + void recv_GDU_normal(yazpp_1::GDU *gdu); + void recv_GDU_more(); void handle_incoming_HTTP(Z_HTTP_Request *req); void handle_incoming_Z_PDU(Z_APDU *apdu); void handle_incoming_Z_PDU_2(Z_APDU *apdu); diff --git a/src/mod_sample.cpp b/src/mod_sample.cpp index 1ed36b2..3e1df6c 100644 --- a/src/mod_sample.cpp +++ b/src/mod_sample.cpp @@ -1,4 +1,4 @@ -/* $Id: mod_sample.cpp,v 1.3 2005-06-10 22:54:22 adam Exp $ +/* $Id: mod_sample.cpp,v 1.4 2005-06-21 18:46:04 adam Exp $ Copyright (c) 1998-2005, Index Data. This file is part of the yaz-proxy. @@ -46,7 +46,8 @@ void my_destroy(void *p) int my_authenticate(void *user_handle, const char *target_name, void *element_ptr, - const char *user, const char *group, const char *password) + const char *user, const char *group, const char *password, + const char *peer_IP) { // see if we have an "args" attribute const char *args = 0; @@ -63,11 +64,13 @@ int my_authenticate(void *user_handle, #endif // args holds args (or NULL if none is provided) - sleep(1); - fprintf(stderr, "my_authenticate: target=%s user=%s group=%s args=%s\n", + sleep(2); + fprintf(stderr, "my_authenticate: target=%s user=%s group=%s args=%s IP=%s" + "\n", target_name ? target_name : "none", user ? user : "none", group ? group : "none", - args ? args : "none"); + args ? args : "none", + peer_IP); // authentication handler if (!user && !group && !password) return YAZPROXY_RET_OK; // OK if anonymous diff --git a/src/modules.cpp b/src/modules.cpp index 18238b6..4d00b66 100644 --- a/src/modules.cpp +++ b/src/modules.cpp @@ -1,4 +1,4 @@ -/* $Id: modules.cpp,v 1.2 2005-06-10 22:53:43 adam Exp $ +/* $Id: modules.cpp,v 1.3 2005-06-21 18:46:04 adam Exp $ Copyright (c) 1998-2005, Index Data. This file is part of the yaz-proxy. @@ -43,7 +43,8 @@ public: Yaz_ProxyModule *get_next() { return m_next; }; int is_module(const char *name); int authenticate(const char *target_name, void *element_ptr, - const char *user, const char *group, const char *password); + const char *user, const char *group, const char *password, + const char *peer_IP); }; int Yaz_ProxyModule::is_module(const char *name) @@ -86,7 +87,8 @@ Yaz_ProxyModule::~Yaz_ProxyModule() int Yaz_ProxyModule::authenticate(const char *name, void *element_ptr, const char *user, const char *group, - const char *password) + const char *password, + const char *peer_IP) { if (m_entry->int_version == 0) { @@ -96,7 +98,7 @@ int Yaz_ProxyModule::authenticate(const char *name, if (!int0->authenticate) return YAZPROXY_RET_NOT_ME; return (*int0->authenticate)(m_user_handle, name, element_ptr, - user, group, password); + user, group, password, peer_IP); } return YAZPROXY_RET_NOT_ME; } @@ -131,7 +133,8 @@ int Yaz_ProxyModules::authenticate(const char *module_name, const char *target_name, void *element_ptr, const char *user, const char *group, - const char *password) + const char *password, + const char *peer_IP) { int ret = YAZPROXY_RET_NOT_ME; Yaz_ProxyModule *m = m_list; @@ -140,7 +143,8 @@ int Yaz_ProxyModules::authenticate(const char *module_name, if (m->is_module(module_name)) { ret = m->authenticate(target_name, element_ptr, - user, group, password); + user, group, password, + peer_IP); if (ret != YAZPROXY_RET_NOT_ME) break; } diff --git a/src/proxyp.h b/src/proxyp.h index 98c25fc..217de14 100644 --- a/src/proxyp.h +++ b/src/proxyp.h @@ -1,4 +1,4 @@ -/* $Id: proxyp.h,v 1.7 2005-06-08 13:29:03 adam Exp $ +/* $Id: proxyp.h,v 1.8 2005-06-21 18:46:04 adam Exp $ Copyright (c) 1998-2005, Index Data. This file is part of the yaz-proxy. @@ -129,7 +129,8 @@ public: int client_authentication(const char *name, const char *user, const char *group, - const char *password); + const char *password, + const char *peer_IP); char *get_explain_doc(ODR odr, const char *name, const char *db, int *len); const char *get_explain_name(const char *db, const char **backend_db); diff --git a/src/yaz-proxy-config.cpp b/src/yaz-proxy-config.cpp index 6a5b313..7581864 100644 --- a/src/yaz-proxy-config.cpp +++ b/src/yaz-proxy-config.cpp @@ -1,4 +1,4 @@ -/* $Id: yaz-proxy-config.cpp,v 1.20 2005-05-30 20:09:21 adam Exp $ +/* $Id: yaz-proxy-config.cpp,v 1.21 2005-06-21 18:46:04 adam Exp $ Copyright (c) 1998-2005, Index Data. This file is part of the yaz-proxy. @@ -603,7 +603,8 @@ void Yaz_ProxyConfig::target_authentication(const char *name, int Yaz_ProxyConfig::client_authentication(const char *name, const char *user, const char *group, - const char *password) + const char *password, + const char *peer_IP) { int ret = YAZPROXY_RET_NOT_ME; #if HAVE_XSLT @@ -625,7 +626,9 @@ int Yaz_ProxyConfig::client_authentication(const char *name, } ret = m_cp->m_modules.authenticate(module_name, name, ptr, - user, group, password); + user, group, password, + peer_IP + ); if (ret != YAZPROXY_RET_NOT_ME) break; } diff --git a/src/yaz-proxy.cpp b/src/yaz-proxy.cpp index cfa249d..d4693c6 100644 --- a/src/yaz-proxy.cpp +++ b/src/yaz-proxy.cpp @@ -1,4 +1,4 @@ -/* $Id: yaz-proxy.cpp,v 1.32 2005-06-10 22:54:22 adam Exp $ +/* $Id: yaz-proxy.cpp,v 1.33 2005-06-21 18:46:04 adam Exp $ Copyright (c) 1998-2005, Index Data. This file is part of the yaz-proxy. @@ -84,11 +84,11 @@ Auth_Msg::~Auth_Msg() IMsg_Thread *Auth_Msg::handle() { yaz_log(YLOG_LOG, "Auth_Msg:handle begin"); - ODR encode = odr_createmem(ODR_DECODE); + ODR decode = odr_createmem(ODR_DECODE); Z_APDU *apdu; - odr_setbuf(encode, m_apdu_buf, m_apdu_len, 0); - int r = z_APDU(encode, &apdu, 0, 0); + odr_setbuf(decode, m_apdu_buf, m_apdu_len, 0); + int r = z_APDU(decode, &apdu, 0, 0); if (!r) { yaz_log(YLOG_WARN, "decode failed in Auth_Msg::handle"); @@ -98,30 +98,23 @@ IMsg_Thread *Auth_Msg::handle() m_ret = m_proxy->handle_authentication(apdu); } yaz_log(YLOG_LOG, "Auth_Msg:handle end"); - odr_destroy(encode); + odr_destroy(decode); return this; } void Auth_Msg::result() { - if (m_proxy->dec_ref()) - { - yaz_log(YLOG_LOG, "Auth_Msg:result proxy gone"); - } + yaz_log(YLOG_LOG, "Auth_Msg:result proxy ok buf=%p len=%d", + m_apdu_buf, m_apdu_len); + odr_reset(m_proxy->odr_decode()); + odr_setbuf(m_proxy->odr_decode(), m_apdu_buf, m_apdu_len, 0); + Z_APDU *apdu = 0; + int r = z_APDU(m_proxy->odr_decode(), &apdu, 0, 0); + if (r) + yaz_log(YLOG_LOG, "Auth_Msg::result z_APDU OK"); else - { - yaz_log(YLOG_LOG, "Auth_Msg:result proxy ok buf=%p len=%d", - m_apdu_buf, m_apdu_len); - odr_reset(m_proxy->odr_decode()); - odr_setbuf(m_proxy->odr_decode(), m_apdu_buf, m_apdu_len, 0); - Z_APDU *apdu = 0; - int r = z_APDU(m_proxy->odr_decode(), &apdu, 0, 0); - if (r) - yaz_log(YLOG_LOG, "Auth_Msg::result z_APDU OK"); - else - yaz_log(YLOG_LOG, "Auth_Msg::result z_APDU failed"); - m_proxy->result_authentication(apdu, m_ret); - } + yaz_log(YLOG_LOG, "Auth_Msg::result z_APDU failed"); + m_proxy->result_authentication(apdu, m_ret); delete this; } @@ -224,17 +217,20 @@ Yaz_Proxy::Yaz_Proxy(IPDU_Observable *the_PDU_Observable, m_bw_hold_PDU = 0; m_bw_max = 0; m_pdu_max = 0; + m_timeout_mode = timeout_normal; + m_timeout_gdu = 0; m_max_record_retrieve = 0; m_reconfig_flag = 0; m_config_fname = 0; m_request_no = 0; - m_invalid_session = 0; + m_flag_invalid_session = 0; m_referenceId = 0; m_referenceId_mem = nmem_create(); m_config = 0; m_marcxml_mode = none; m_stylesheet_xsp = 0; m_stylesheet_nprl = 0; + m_stylesheet_apdu = 0; m_s2z_stylesheet = 0; m_s2z_database = 0; m_schema = 0; @@ -278,16 +274,16 @@ Yaz_Proxy::Yaz_Proxy(IPDU_Observable *the_PDU_Observable, low_socket_open(); m_my_thread = 0; m_ref_count = 1; + m_peername = 0; } void Yaz_Proxy::inc_ref() { - m_ref_count++; +// m_ref_count++; } Yaz_Proxy::~Yaz_Proxy() { - assert(m_ref_count == 0); 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); @@ -307,6 +303,7 @@ Yaz_Proxy::~Yaz_Proxy() #endif xfree (m_time_tv); + xfree (m_peername); xfree (m_schema); xfree (m_backend_type); xfree (m_backend_charset); @@ -412,8 +409,9 @@ IPDU_Observer *Yaz_Proxy::sessionNotify(IPDU_Observable new_proxy->set_APDU_yazlog(0); sprintf(new_proxy->m_session_str, "%ld:%d ", (long) time(0), m_session_no); m_session_no++; + new_proxy->m_peername = xstrdup(the_PDU_Observable->getpeername()); yaz_log (YLOG_LOG, "%sNew session %s", new_proxy->m_session_str, - the_PDU_Observable->getpeername()); + new_proxy->m_peername); new_proxy->set_proxy_negotiation(m_proxy_negotiation_charset, m_proxy_negotiation_lang); // create thread object the first time we get an incoming connection @@ -809,6 +807,8 @@ int Yaz_Proxy::convert_xsl(Z_NamePlusRecordList *p, Z_APDU *apdu) m_stylesheet_offset = 0; m_stylesheet_nprl = p; m_stylesheet_apdu = apdu; + m_timeout_mode = timeout_xsl; + timeout(0); return 1; } @@ -856,6 +856,7 @@ void Yaz_Proxy::convert_xsl_delay() m_stylesheet_offset++; if (m_stylesheet_offset == m_stylesheet_nprl->num_records) { + m_timeout_mode = timeout_normal; m_stylesheet_nprl = 0; #if HAVE_XSLT if (m_stylesheet_xsp) @@ -1381,7 +1382,7 @@ int Yaz_Proxy::send_to_client(Z_APDU *apdu) *sr->resultCount); if (*sr->resultCount < 0) { - m_invalid_session = 1; + m_flag_invalid_session = 1; kill_session = 1; *sr->searchStatus = 0; @@ -1746,21 +1747,37 @@ void Yaz_Proxy::recv_GDU(Z_GDU *apdu, int len) if (m_log_mask & PROXY_LOG_REQ_CLIENT) 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. - dec_ref(); - - m_bw_stat.add_bytes(len); - m_pdu_stat.add_bytes(1); - + #if HAVE_GETTIMEOFDAY gettimeofday((struct timeval *) m_time_tv, 0); #endif + m_bw_stat.add_bytes(len); + m_pdu_stat.add_bytes(1); + + GDU *gdu = new GDU(apdu); + int qsize = m_in_queue.size(); + if (m_timeout_mode != timeout_normal) + { + yaz_log(YLOG_LOG, "%sAdded gdu in queue of size %d", m_session_str, + qsize); + m_in_queue.enqueue(gdu); + } + else + { + recv_GDU_reduce(gdu); + recv_GDU_more(); + } +} +void Yaz_Proxy::recv_GDU_reduce(GDU *gdu) +{ int bw_total = m_bw_stat.get_total(); int pdu_total = m_pdu_stat.get_total(); - int reduce = 0; + + assert(m_timeout_mode == timeout_normal); + assert(m_timeout_gdu == 0); + if (m_bw_max) { if (bw_total > m_bw_max) @@ -1777,16 +1794,36 @@ void Yaz_Proxy::recv_GDU(Z_GDU *apdu, int len) } } m_http_version = 0; + if (reduce) { 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); - m_bw_hold_PDU = apdu; // save PDU and signal "on hold" + m_timeout_mode = timeout_reduce; + m_timeout_gdu = gdu; + // m_bw_hold_PDU = apdu; // save PDU and signal "on hold" timeout(reduce); // call us reduce seconds later } - else if (apdu->which == Z_GDU_Z3950) + else + recv_GDU_normal(gdu); +} + +void Yaz_Proxy::recv_GDU_more() +{ + GDU *g; + while (m_timeout_mode == timeout_normal && (g = m_in_queue.dequeue())) + recv_GDU_reduce(g); +} + +void Yaz_Proxy::recv_GDU_normal(GDU *gdu) +{ + Z_GDU *apdu = gdu->get(); + gdu->extract_odr_to(odr_decode()); + delete gdu; + + if (apdu->which == Z_GDU_Z3950) handle_incoming_Z_PDU(apdu->u.z3950); else if (apdu->which == Z_GDU_HTTP_Request) handle_incoming_HTTP(apdu->u.HTTP_Request); @@ -1805,6 +1842,7 @@ void Yaz_Proxy::handle_max_record_retrieve(Z_APDU *apdu) } } } + void Yaz_Proxy::handle_charset_lang_negotiation(Z_APDU *apdu) { if (apdu->which == Z_APDU_initRequest) @@ -2108,14 +2146,17 @@ int Yaz_Proxy::handle_authentication(Z_APDU *apdu) int ret; if (req->idAuthentication == 0) { - ret = cfg->client_authentication(m_default_target, 0, 0, 0); + ret = cfg->client_authentication(m_default_target, 0, 0, 0, + m_peername); } else if (req->idAuthentication->which == Z_IdAuthentication_idPass) { - ret = cfg->client_authentication(m_default_target, + ret = cfg->client_authentication( + m_default_target, req->idAuthentication->u.idPass->userId, req->idAuthentication->u.idPass->groupId, - req->idAuthentication->u.idPass->password); + req->idAuthentication->u.idPass->password, + m_peername); } else if (req->idAuthentication->which == Z_IdAuthentication_open) { @@ -2123,10 +2164,12 @@ int Yaz_Proxy::handle_authentication(Z_APDU *apdu) *user = '\0'; *pass = '\0'; sscanf(req->idAuthentication->u.open, "%63[^/]/%63s", user, pass); - ret = cfg->client_authentication(m_default_target, user, 0, pass); + ret = cfg->client_authentication(m_default_target, user, 0, pass, + m_peername); } else - ret = cfg->client_authentication(m_default_target, 0, 0, 0); + ret = cfg->client_authentication(m_default_target, 0, 0, 0, + m_peername); cfg->target_authentication(m_default_target, odr_encode(), req); @@ -2854,11 +2897,12 @@ void Yaz_Proxy::handle_incoming_Z_PDU(Z_APDU *apdu) else m_referenceId = 0; - if (!m_client && m_invalid_session) + if (!m_client && m_flag_invalid_session) { - m_apdu_invalid_session = apdu; + // Got request for a session that is invalid.. + m_apdu_invalid_session = apdu; // save package m_mem_invalid_session = odr_extract_mem(odr_decode()); - apdu = m_initRequest_apdu; + apdu = m_initRequest_apdu; // but throw an init to the target } // Determine our client. @@ -2874,7 +2918,7 @@ void Yaz_Proxy::handle_incoming_Z_PDU(Z_APDU *apdu) } else { - dec_ref(); + delete this; return; } } @@ -2936,7 +2980,7 @@ void Yaz_Proxy::handle_incoming_Z_PDU_2(Z_APDU *apdu) { delete m_client; m_client = 0; - dec_ref(); + delete this; } else m_client->m_waiting = 1; @@ -2950,7 +2994,7 @@ void Yaz_Proxy::releaseClient() { xfree(m_proxyTarget); m_proxyTarget = 0; - m_invalid_session = 0; + m_flag_invalid_session = 0; // only keep if keep_alive flag is set... if (m_client && m_client->m_pdu_recv < m_keepalive_limit_pdu && @@ -3197,25 +3241,26 @@ void Yaz_Proxy::timeoutNotify() { if (m_parent) { - if (m_bw_hold_PDU) - { - timeout(m_client_idletime); - Z_GDU *apdu = m_bw_hold_PDU; - m_bw_hold_PDU = 0; - - if (apdu->which == Z_GDU_Z3950) - handle_incoming_Z_PDU(apdu->u.z3950); - else if (apdu->which == Z_GDU_HTTP_Request) - handle_incoming_HTTP(apdu->u.HTTP_Request); - } - else if (m_stylesheet_nprl) - convert_xsl_delay(); - else + GDU *gdu; + switch(m_timeout_mode) { + case timeout_normal: inc_request_no(); - + m_in_queue.clear(); yaz_log (YLOG_LOG, "%sTimeout (client to proxy)", m_session_str); dec_ref(); + break; + case timeout_reduce: + timeout(m_client_idletime); + m_timeout_mode = timeout_normal; + gdu = m_timeout_gdu; + m_timeout_gdu = 0; + recv_GDU_normal(gdu); + break; + case timeout_xsl: + assert(m_stylesheet_nprl); + convert_xsl_delay(); + recv_GDU_more(); } } else @@ -3228,7 +3273,7 @@ void Yaz_Proxy::timeoutNotify() void Yaz_Proxy::markInvalid() { m_client = 0; - m_invalid_session = 1; + m_flag_invalid_session = 1; } void Yaz_ProxyClient::timeoutNotify() @@ -3309,9 +3354,9 @@ void Yaz_ProxyClient::recv_GDU(Z_GDU *apdu, int len) int Yaz_Proxy::handle_init_response_for_invalid_session(Z_APDU *apdu) { - if (!m_invalid_session) + if (!m_flag_invalid_session) return 0; - m_invalid_session = 0; + m_flag_invalid_session = 0; handle_incoming_Z_PDU(m_apdu_invalid_session); assert (m_mem_invalid_session); nmem_destroy(m_mem_invalid_session); @@ -3405,14 +3450,16 @@ void Yaz_ProxyClient::recv_Z_PDU(Z_APDU *apdu, int len) } if (m_cookie) set_otherInformationString (apdu, VAL_COOKIE, 1, m_cookie); - if (m_server) - { - m_server->send_to_client(apdu); - } + + Yaz_Proxy *server = m_server; // save it. send_to_client may destroy us + + if (server) + server->send_to_client(apdu); if (apdu->which == Z_APDU_close) - { shutdown(); - } + else if (server) + server->recv_GDU_more(); + } void Yaz_Proxy::low_socket_close()