X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=src%2Ffilter_z3950_client.cpp;h=b975f509f90124b5949bdef1a2b5e37e410378d2;hb=667464101c917a88273e48a447b1e4daead81b2a;hp=683c09a277c077024181ef696c55e6de0c373075;hpb=b10c3228b6cb7b712a35d3d6aed029bb06e707da;p=metaproxy-moved-to-github.git diff --git a/src/filter_z3950_client.cpp b/src/filter_z3950_client.cpp index 683c09a..b975f50 100644 --- a/src/filter_z3950_client.cpp +++ b/src/filter_z3950_client.cpp @@ -1,5 +1,5 @@ /* This file is part of Metaproxy. - Copyright (C) 2005-2010 Index Data + Copyright (C) 2005-2011 Index Data Metaproxy 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 @@ -66,6 +66,7 @@ namespace metaproxy_1 { bool m_waiting; bool m_destroyed; bool m_connected; + bool m_has_closed; int m_queue_len; int m_time_elapsed; int m_time_max; @@ -78,6 +79,7 @@ namespace metaproxy_1 { // number of seconds to wait before we give up request int m_timeout_sec; int m_max_sockets; + bool m_force_close; std::string m_default_target; std::string m_force_target; boost::mutex m_mutex; @@ -99,7 +101,8 @@ yf::Z3950Client::Assoc::Assoc(yazpp_1::SocketManager *socket_manager, : Z_Assoc(PDU_Observable), m_socket_manager(socket_manager), m_PDU_Observable(PDU_Observable), m_package(0), m_in_use(true), m_waiting(false), - m_destroyed(false), m_connected(false), m_queue_len(1), + m_destroyed(false), m_connected(false), m_has_closed(false), + m_queue_len(1), m_time_elapsed(0), m_time_max(timeout_sec), m_time_connect_max(10), m_host(host) { @@ -185,6 +188,7 @@ yf::Z3950Client::Z3950Client() : m_p(new yf::Z3950Client::Rep) { m_p->m_timeout_sec = 30; m_p->m_max_sockets = 0; + m_p->m_force_close = false; } yf::Z3950Client::~Z3950Client() { @@ -198,12 +202,6 @@ yf::Z3950Client::Assoc *yf::Z3950Client::Rep::get_assoc(Package &package) std::map::iterator it; Z_GDU *gdu = package.request().get(); - // only deal with Z39.50 - if (!gdu || gdu->which != Z_GDU_Z3950) - { - package.move(); - return 0; - } int max_sockets = package.origin().get_max_sockets(); if (max_sockets == 0) @@ -237,6 +235,11 @@ yf::Z3950Client::Assoc *yf::Z3950Client::Rep::get_assoc(Package &package) m_cond_session_ready.wait(lock); } } + if (!gdu || gdu->which != Z_GDU_Z3950) + { + package.move(); + return 0; + } // new Z39.50 session .. Z_APDU *apdu = gdu->u.z3950; // check that it is init. If not, close @@ -356,16 +359,30 @@ yf::Z3950Client::Assoc *yf::Z3950Client::Rep::get_assoc(Package &package) void yf::Z3950Client::Rep::send_and_receive(Package &package, yf::Z3950Client::Assoc *c) { - Z_GDU *gdu = package.request().get(); - if (c->m_destroyed) return; + c->m_package = &package; + + if (package.session().is_closed() && c->m_connected && !c->m_has_closed + && m_force_close) + { + mp::odr odr; + + package.request() = odr.create_close( + 0, Z_Close_finished, "z3950_client"); + c->m_package = 0; // don't inspect response + } + Z_GDU *gdu = package.request().get(); + if (!gdu || gdu->which != Z_GDU_Z3950) return; + if (gdu->u.z3950->which == Z_APDU_close) + c->m_has_closed = true; + + // prepare connect c->m_time_elapsed = 0; - c->m_package = &package; c->m_waiting = true; if (!c->m_connected) { @@ -389,7 +406,7 @@ void yf::Z3950Client::Rep::send_and_receive(Package &package, int len; c->send_GDU(gdu, &len); - switch(gdu->u.z3950->which) + switch (gdu->u.z3950->which) { case Z_APDU_triggerResourceControlRequest: // request only.. @@ -411,12 +428,8 @@ void yf::Z3950Client::Rep::release_assoc(Package &package) it = m_clients.find(package.session()); if (it != m_clients.end()) { - Z_GDU *gdu = package.request().get(); - if (gdu && gdu->which == Z_GDU_Z3950) - { // only Z39.50 packages lock in get_assoc.. release it - it->second->m_in_use = false; - it->second->m_queue_len--; - } + it->second->m_in_use = false; + it->second->m_queue_len--; if (package.session().is_closed()) { @@ -440,8 +453,8 @@ void yf::Z3950Client::process(Package &package) const if (c) { m_p->send_and_receive(package, c); + m_p->release_assoc(package); } - m_p->release_assoc(package); } void yf::Z3950Client::configure(const xmlNode *ptr, bool test_only) @@ -466,6 +479,10 @@ void yf::Z3950Client::configure(const xmlNode *ptr, bool test_only) { m_p->m_max_sockets = mp::xml::get_int(ptr->children, 0); } + else if (!strcmp((const char *) ptr->name, "force_close")) + { + m_p->m_force_close = mp::xml::get_bool(ptr->children, 0); + } else { throw mp::filter::FilterException("Bad element "