cdetails
t-server
tstthreads
-p2
-## $Id: Makefile.am,v 1.10 2005-10-05 12:07:14 adam Exp $
+## $Id: Makefile.am,v 1.11 2005-10-27 22:38:03 adam Exp $
AM_CXXFLAGS = $(YAZPPINC) -I$(srcdir)/../include $(XSLT_CFLAGS) $(USEMARCONINC)
bin_PROGRAMS = yazproxy
check_PROGRAMS = cdetails
-noinst_PROGRAMS = tstthreads t-server p2
+noinst_PROGRAMS = tstthreads t-server
TESTS=$(check_PROGRAMS)
cdetails_SOURCES=cdetails.cpp
tstthreads_SOURCES=tstthreads.cpp
t_server_SOURCES=t-server.cpp
-p2_SOURCES=p2_frontend.cpp p2_msg.cpp p2.cpp p2_frontend.h \
- p2_config.cpp p2_config.h \
- p2_backend.h p2_backend_dummy.cpp \
- p2_modules.cpp p2_modules.h \
- p2_xmlerror.cpp p2_xmlerror.h
LDADD=libyazproxy.la $(YAZPPLALIB) $(XSLT_LIBS) $(USEMARCONLALIB)
libyazproxy_la_LIBADD = $(XSLT_LIBS)
+++ /dev/null
-/* $Id: p2.cpp,v 1.1 2005-10-05 12:07:14 adam Exp $
- Copyright (c) 1998-2005, Index Data.
-
-This file is part of the yaz-proxy.
-
-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
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-YAZ proxy is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-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.
- */
-
-#include <pthread.h>
-#include <stdlib.h>
-#include <yaz/log.h>
-#include <yaz/diagbib1.h>
-#include <yaz/options.h>
-
-#include <yaz++/socket-manager.h>
-#include "p2_config.h"
-#include "p2_frontend.h"
-#include "p2_xmlerror.h"
-#include "p2_modules.h"
-
-using namespace yazpp_1;
-
-extern P2_ModuleEntry *p2_backend_dummy;
-
-/*
- frontend result set map
- resultset -> db,query
-
- backend result set map
- db,query -> resultset, target
- resultset, target
-*/
-class P2_Frontend;
-
-P2_Config *P2_Server::lockConfig()
-{
- pthread_mutex_lock(&m_mutex_config);
- return m_config;
-}
-
-void P2_Server::unlockConfig()
-{
- pthread_mutex_unlock(&m_mutex_config);
-}
-
-P2_Server::P2_Server(IPDU_Observable *the_PDU_Observable,
- Msg_Thread *my_thread,
- P2_Config *config,
- P2_ModuleFactory *modules)
- : Z_Assoc(the_PDU_Observable)
-{
- m_my_thread = my_thread;
- m_modules = modules;
- m_config = config;
-
- pthread_mutex_init(&m_mutex_config, 0);
-
- yaz_log(YLOG_LOG, "Construct P2_Server=%p", this);
-}
-
-IPDU_Observer *P2_Server::sessionNotify(IPDU_Observable
- *the_PDU_Observable, int fd)
-{
- P2_Frontend *my = new P2_Frontend(the_PDU_Observable, m_my_thread, this);
- yaz_log(YLOG_LOG, "New session %s", the_PDU_Observable->getpeername());
- return my;
-}
-
-P2_Server::~P2_Server()
-{
- yaz_log(YLOG_LOG, "Destroy P2_server=%p", this);
- pthread_mutex_destroy(&m_mutex_config);
-}
-
-void P2_Server::recv_GDU(Z_GDU *apdu, int len)
-{
-}
-
-void P2_Server::failNotify()
-{
-}
-
-void P2_Server::timeoutNotify()
-{
-}
-
-void P2_Server::connectNotify()
-{
-}
-
-int main(int argc, char **argv)
-{
- p2_xmlerror_setup();
-
- P2_Config config;
-
- if (!config.parse_options(argc, argv))
- {
- yaz_log(YLOG_FATAL, "Configuration incorrect. Exiting");
- exit(1);
- }
-
- SocketManager mySocketManager;
-
- PDU_Assoc *my_PDU_Assoc = 0;
-
- Msg_Thread my_thread(&mySocketManager, config.m_no_threads);
-
- my_PDU_Assoc = new PDU_Assoc(&mySocketManager);
-
- P2_ModuleFactory modules;
-
- modules.add(p2_backend_dummy);
-
- std::list<P2_ConfigModule *>::const_iterator it;
- for (it = config.m_modules.begin(); it != config.m_modules.end(); it++)
- modules.add((*it)->m_fname.c_str());
-
- P2_Server z(my_PDU_Assoc, &my_thread, &config, &modules);
- z.server(config.m_listen_address.c_str());
-
- while (mySocketManager.processEvent() > 0)
- ;
- return 0;
-}
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
-
+++ /dev/null
-
-#ifndef P2_BACKEND_H
-#define P2_BACKEND_H
-
-#include <yaz++/z-query.h>
-
-class IP2_BackendSet {
-public:
- virtual ~IP2_BackendSet();
- virtual int get(int start, int number) = 0;
-};
-
-class IP2_Backend {
- public:
- virtual ~IP2_Backend();
- virtual int search(yazpp_1::Yaz_Z_Query *q, IP2_BackendSet **rset, int *hits) = 0;
-};
-
-struct P2_ModuleInterface0 {
- IP2_Backend *(*create)(const char *address);
-};
-
-struct P2_ModuleEntry {
- int version;
- const char *name;
- const char *description;
- void *interface_ptr;
-};
-
-
-#endif
+++ /dev/null
-
-#include <yaz/log.h>
-#include "p2_backend.h"
-
-class P2_BackendSetDummy : public IP2_BackendSet {
-public:
- P2_BackendSetDummy();
- ~P2_BackendSetDummy();
- int get(int start, int number);
-};
-
-class P2_BackendDummy : public IP2_Backend {
-public:
- P2_BackendDummy(const char *address);
- ~P2_BackendDummy();
- int search(yazpp_1::Yaz_Z_Query *q, IP2_BackendSet **rset, int *hits);
-};
-
-P2_BackendDummy::P2_BackendDummy(const char *address)
-{
- yaz_log(YLOG_LOG, "P2_backendDummy %p create", this);
-}
-
-P2_BackendDummy::~P2_BackendDummy()
-{
- yaz_log(YLOG_LOG, "P2_backendDummy %p destroy", this);
-}
-
-int P2_BackendDummy::search(yazpp_1::Yaz_Z_Query *q, IP2_BackendSet **rset,
- int *hits)
-{
- yaz_log(YLOG_LOG, "P2_backendDummy %p search", this);
-
- P2_BackendSetDummy *s = new P2_BackendSetDummy();
-
- *rset = s;
- *hits = 42;
- return 0;
-}
-
-int P2_BackendSetDummy::get(int start, int number)
-{
- yaz_log(YLOG_LOG, "P2_backendSetDummy %p get", this);
- return 0;
-}
-
-P2_BackendSetDummy::P2_BackendSetDummy()
-{
- yaz_log(YLOG_LOG, "P2_backendSetDummy %p create", this);
-
-}
-
-P2_BackendSetDummy::~P2_BackendSetDummy()
-{
- yaz_log(YLOG_LOG, "P2_backendSetDummy %p destroy", this);
-}
-
-static IP2_Backend *dummy_create(const char *address)
-{
- return new P2_BackendDummy(address);
-}
-
-P2_ModuleInterface0 int0 = {
- dummy_create
-};
-
-P2_ModuleEntry p2_module_entry = {
- 0,
- "dummy",
- "Dummy Backend",
- (void *) &int0
-};
-
-P2_ModuleEntry *p2_backend_dummy = &p2_module_entry;
+++ /dev/null
-/* $Id: p2_config.cpp,v 1.1 2005-10-05 12:07:14 adam Exp $
- Copyright (c) 1998-2005, Index Data.
-
-This file is part of the yaz-proxy.
-
-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
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-YAZ proxy is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-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.
- */
-
-#include <stdlib.h>
-#include <string.h>
-#include <yaz/log.h>
-#include <yaz/options.h>
-#include <yaz/diagbib1.h>
-#include "p2_config.h"
-
-#if HAVE_XSLT
-#include <libxml/parser.h>
-#include <libxml/tree.h>
-#include <libxml/xinclude.h>
-#include <libxslt/xsltutils.h>
-#include <libxslt/transform.h>
-#endif
-
-#include <iostream>
-
-using namespace std;
-
-class P2_Config::Rep {
-
-public:
- Rep();
- ~Rep();
-public:
-#if HAVE_XSLT
- xmlDocPtr m_docPtr;
- xmlNodePtr m_proxyPtr;
-#endif
-};
-
-P2_Config::Rep::Rep()
-{
-#if HAVE_XSLT
- m_docPtr = 0;
- m_proxyPtr = 0;
-#endif
-}
-
-P2_Config::Rep::~Rep()
-{
-#if HAVE_XSLT
- if (m_docPtr)
- xmlFreeDoc(m_docPtr);
-#endif
-}
-
-P2_Config::P2_Config()
-{
- m_max_clients = 500;
- m_client_idletime = 600;
- m_debug_mode = 0;
- m_no_limit_files = 0;
- m_no_threads = 20;
- m_target_idletime = 600;
-
- m_rep = new Rep();
-}
-
-bool P2_Config::parse_options(int argc, char **argv)
-{
- char *arg;
- int ret;
- bool show_config = false;
- while ((ret = options("o:a:t:v:c:u:i:m:l:T:p:n:h:XS",
- argv, argc, &arg)) != -2)
- {
- switch (ret)
- {
- case 0:
- if (m_listen_address.length())
- {
- yaz_log(YLOG_FATAL, "Multiple listener address given");
- return false;
- }
- m_listen_address = arg;
- break;
- case 'a':
- m_apdu_log = arg;
- break;
- case 'c':
- if (m_xml_fname.length())
- {
- yaz_log(YLOG_FATAL, "Multiple -c options given");
- return false;
- }
- if (!read_xml_config(arg))
- {
- return false;
- }
- m_xml_fname = arg;
- break;
- case 'i':
- m_client_idletime = atoi(arg);
- break;
- case 'l':
- m_log_file = arg;
- break;
- case 'm':
- m_max_clients = atoi(arg);
- break;
- case 'n':
- m_no_limit_files = atoi(arg);
- break;
- case 'h':
- m_no_threads = atoi(arg);
- break;
- case 'o':
- m_optimize_flags = arg;
- break;
- case 'p':
- if (m_pid_fname.length())
- {
- yaz_log(YLOG_LOG, "Multiple -p options given");
- return false;
- }
- m_pid_fname = arg;
- break;
- case 't':
- if (m_default_target.length())
- {
- yaz_log(YLOG_LOG, "Multiple -t options given");
- return false;
- }
- m_default_target = arg;
- break;
- case 'T':
- m_target_idletime = atoi(arg);
- break;
- case 'u':
- if (m_uid.length())
- {
- yaz_log(YLOG_FATAL, "-u specified more than once");
- return false;
- }
- m_uid = arg;
- break;
- case 'v':
- yaz_log_init_level(yaz_log_mask_str(arg));
- break;
- case 'X':
- m_debug_mode = 1;
- break;
- case 'S':
- show_config = true;
- break;
- default:
- yaz_log(YLOG_FATAL, "Bad option %s", arg);
- return false;
- }
- }
- if (m_log_file.length())
- yaz_log_init_file(m_log_file.c_str());
- if (show_config)
- print();
- return true;
-}
-
-bool P2_Config::parse_xml_text(void *xml_ptr, bool &val)
-{
- string v;
- if (!parse_xml_text(xml_ptr, v))
- return false;
- if (v.length() == 1 && v[0] == '1')
- val = true;
- else
- val = false;
- return true;
-}
-
-bool P2_Config::parse_xml_text(void *xml_ptr, string &val)
-{
- xmlNodePtr ptr = (xmlNodePtr) xml_ptr;
- bool found = false;
- string v;
- for(ptr = ptr->children; ptr; ptr = ptr->next)
- if (ptr->type == XML_TEXT_NODE)
- {
- xmlChar *t = ptr->content;
- if (t)
- {
- v += (const char *) t;
- found = true;
- }
- }
- if (found)
- val = v;
- return found;
-}
-
-void P2_Config::parse_xml_element_target(void *xml_ptr,
- P2_ConfigTarget *t)
-{
- xmlNodePtr ptr = (xmlNodePtr) xml_ptr;
-
- for (ptr = ptr->children; ptr; ptr = ptr->next)
- {
- if (ptr->type != XML_ELEMENT_NODE)
- continue;
- if (!strcmp((const char *) ptr->name, "url"))
- {
- parse_xml_text(ptr, t->m_target_address);
- }
- else if (!strcmp((const char *) ptr->name, "database"))
- {
- parse_xml_text(ptr, t->m_target_database);
- }
- else
- {
- yaz_log(YLOG_WARN, "Unknown element '%s' inside target",
- (const char *) ptr->name);
- m_errors++;
- }
- }
-}
-
-void P2_Config::parse_xml_element_proxy(void *xml_ptr)
-{
- xmlNodePtr ptr = (xmlNodePtr) xml_ptr;
-
- for (ptr = ptr->children; ptr; ptr = ptr->next)
- {
- if (ptr->type != XML_ELEMENT_NODE)
- continue;
- if (!strcmp((const char *) ptr->name, "target"))
- {
- P2_ConfigTarget *t = new P2_ConfigTarget();
-
- struct _xmlAttr *attr;
- for (attr = ptr->properties; attr; attr = attr->next)
- if (!strcmp((const char *) attr->name, "name")
- || !strcmp((const char *) attr->name, "host"))
- {
- parse_xml_text(attr, t->m_virt_address);
- }
- else if (!strcmp((const char *) attr->name, "database"))
- {
- parse_xml_text(attr, t->m_virt_database);
- }
- else if (!strcmp((const char *) attr->name, "default"))
- {
- parse_xml_text(attr, t->m_default);
- }
- else if (!strcmp((const char *) attr->name, "type"))
- {
- parse_xml_text(attr, t->m_type);
- }
- else
- {
- yaz_log(YLOG_WARN, "Unknown attribute '%s' for "
- "element proxy",
- (const char *) attr->name);
- m_errors++;
- }
- parse_xml_element_target(ptr, t);
- m_target_list.push_back(t);
- }
- else if (!strcmp((const char *) ptr->name, "max-clients"))
- {
- string v;
- if (parse_xml_text(ptr, v))
- m_max_clients = atoi(v.c_str());
- }
- else if (!strcmp((const char *) ptr->name, "module"))
- {
- P2_ConfigModule *t = new P2_ConfigModule();
-
- string v;
- if (parse_xml_text(ptr, v))
- {
- t->m_fname = v;
- m_modules.push_back(t);
- }
- }
- else
- {
- yaz_log(YLOG_WARN, "Unknown element '%s' inside proxy", ptr->name);
- m_errors++;
- }
- }
-}
-
-void P2_Config::print()
-{
- cout << "max_clients=" << m_max_clients << endl;
- list<P2_ConfigTarget *>::const_iterator it;
-
- for (it = m_target_list.begin(); it != m_target_list.end(); it++)
- {
- cout << "type=" << (*it)->m_type << " ";
- cout << "v-address=" << (*it)->m_virt_address << " ";
- cout << "v-db=" << (*it)->m_virt_database << " ";
- cout << "t-address=" << (*it)->m_target_address << " ";
- cout << "t-db=" << (*it)->m_target_database << " ";
- cout << "default=" << (*it)->m_default << endl;
- }
-}
-
-bool P2_Config::read_xml_config(const char *fname)
-{
- xmlDocPtr ndoc = xmlParseFile(fname);
-
- if (!ndoc)
- {
- yaz_log(YLOG_WARN, "Config file %s not found or parse error", fname);
- return false;
- }
- int noSubstitutions = xmlXIncludeProcess(ndoc);
- if (noSubstitutions == -1)
- yaz_log(YLOG_WARN, "XInclude processing failed on config %s", fname);
-
- xmlNodePtr proxyPtr = xmlDocGetRootElement(ndoc);
- if (!proxyPtr || proxyPtr->type != XML_ELEMENT_NODE ||
- strcmp((const char *) proxyPtr->name, "proxy"))
- {
- yaz_log(YLOG_WARN, "No proxy element in %s", fname);
- xmlFreeDoc(ndoc);
- return false;
- }
- m_rep->m_proxyPtr = proxyPtr;
-
- // OK: release previous and make it the current one.
- if (m_rep->m_docPtr)
- xmlFreeDoc(m_rep->m_docPtr);
- m_rep->m_docPtr = ndoc;
-
- m_errors = 0;
- parse_xml_element_proxy(proxyPtr);
- if (m_errors && !m_debug_mode)
- return false;
- return true;
-}
-
-P2_Config::~P2_Config()
-{
- delete m_rep;
-}
-
-P2_ConfigTarget::P2_ConfigTarget()
-{
- m_default = false;
-}
-
-P2_ConfigTarget *P2_Config::find_target(string db)
-{
- list<P2_ConfigTarget *>::const_iterator it;
- for (it = m_target_list.begin(); it != m_target_list.end(); it++)
- {
- if ((*it)->m_virt_database == db)
- return (*it);
- }
- return 0;
-}
-
-
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
+++ /dev/null
-/* $Id: p2_config.h,v 1.1 2005-10-05 12:07:14 adam Exp $
- Copyright (c) 1998-2005, Index Data.
-
-This file is part of the yaz-proxy.
-
-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
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-YAZ proxy is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-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.
- */
-
-#ifndef P2_CONFIG_INCLUDED
-#define P2_CONFIG_INCLUDED
-
-#include <string>
-#include <list>
-
-class P2_ConfigTarget {
- public:
- P2_ConfigTarget();
- std::string m_virt_address;
- std::string m_virt_database;
- std::string m_target_address;
- std::string m_target_database;
- std::string m_type;
- bool m_default;
-};
-
-class P2_ConfigModule {
- public:
- std::string m_fname;
-};
-
-class P2_Config {
- class Rep;
- public:
- P2_Config::P2_Config();
- P2_Config::~P2_Config();
- bool P2_Config::parse_options(int argc, char **argv);
- P2_ConfigTarget *find_target(std::string db);
- void print();
- private:
- bool read_xml_config(const char *fname);
- void parse_xml_element_proxy(void *xml_ptr);
- void parse_xml_element_target(void *xml_ptr,
- P2_ConfigTarget *t);
- bool parse_xml_text(void *xml_ptr, std::string &val);
- bool parse_xml_text(void *xml_ptr, bool &val);
- public:
- std::string m_apdu_log;
- std::string m_default_target;
- std::string m_listen_address;
- std::string m_log_file;
- std::string m_optimize_flags;
- std::string m_pid_fname;
- std::string m_uid;
- std::string m_xml_fname;
-
- int m_max_clients;
- int m_client_idletime;
- int m_debug_mode;
- int m_no_limit_files;
- int m_no_threads;
- int m_target_idletime;
-
- std::list<P2_ConfigTarget *> m_target_list;
- std::list<P2_ConfigModule *> m_modules;
- private:
- Rep *m_rep;
- int m_errors;
-};
-
-#endif
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
+++ /dev/null
-/* $Id: p2_frontend.cpp,v 1.1 2005-10-05 12:07:14 adam Exp $
- Copyright (c) 1998-2005, Index Data.
-
-This file is part of the yaz-proxy.
-
-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
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-YAZ proxy is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-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.
- */
-
-#include <yaz/log.h>
-#include <yaz/diagbib1.h>
-#include "p2_frontend.h"
-
-using namespace yazpp_1;
-using namespace std;
-
-P2_Frontend::P2_Frontend(IPDU_Observable *the_PDU_Observable,
- Msg_Thread *my_thread, P2_Server *server)
- : Z_Assoc(the_PDU_Observable)
-{
- m_my_thread = my_thread;
- m_server = server;
- m_no_requests = 0;
- m_delete_flag = 0;
- yaz_log(YLOG_LOG, "Construct P2_Frontend=%p", this);
-}
-
-
-IPDU_Observer *P2_Frontend::sessionNotify(IPDU_Observable
- *the_PDU_Observable, int fd)
-{
- return 0;
-}
-
-P2_Frontend::~P2_Frontend()
-{
- yaz_log(YLOG_LOG, "Destroy P2_Frontend=%p", this);
-
- list<P2_FrontResultSet *>::iterator it;
-
- for (it = m_resultSets.begin(); it != m_resultSets.end(); it++)
- {
- delete *it;
- *it = 0;
- }
-}
-
-void P2_Frontend::recv_GDU(Z_GDU *z_pdu, int len)
-{
- GDU *gdu = new GDU(z_pdu);
-
- P2_Msg *m = new P2_Msg(gdu, this, m_server);
- m_no_requests++;
- m_my_thread->put(m);
-}
-
-void P2_Frontend::failNotify()
-{
- m_delete_flag = 1;
- if (m_no_requests == 0)
- delete this;
-
-}
-
-void P2_Frontend::timeoutNotify()
-{
- m_delete_flag = 1;
- if (m_no_requests == 0)
- delete this;
-}
-
-void P2_Frontend::connectNotify()
-{
-
-}
-
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
+++ /dev/null
-/* $Id: p2_frontend.h,v 1.2 2005-10-13 09:58:52 adam Exp $
- Copyright (c) 1998-2005, Index Data.
-
-This file is part of the yaz-proxy.
-
-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
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-YAZ proxy is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-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.
- */
-
-#ifndef P2_FRONTEND_H
-#define P2_FRONTEND_H
-
-#include <list>
-#include <vector>
-#include <string>
-
-#include "msg-thread.h"
-#include <yaz++/z-assoc.h>
-#include <yaz++/pdu-assoc.h>
-#include <yaz++/gdu.h>
-#include <yaz++/gduqueue.h>
-#include <yaz++/z-query.h>
-
-class P2_Frontend;
-class P2_Server;
-class P2_Config;
-class P2_ConfigTarget;
-class P2_ModuleFactory;
-
-class IP2_BackendSet;
-
-class P2_BackendResultSet {
- public:
- P2_BackendResultSet();
- ~P2_BackendResultSet();
- yazpp_1::Yaz_Z_Query m_query;
- std::list<std::string> m_db_list;
- int m_hit_count;
- IP2_BackendSet *m_int;
- // record cache here
-};
-
-class IP2_Backend;
-
-class P2_Backend {
- public:
- P2_Backend(P2_ConfigTarget *cfg, IP2_Backend *backend_interface);
- ~P2_Backend();
- public:
- std::list<P2_BackendResultSet *>m_resultSets;
- P2_ConfigTarget *m_configTarget;
- bool m_busy;
- IP2_Backend *m_int;
-};
-
-class P2_Server : public yazpp_1::Z_Assoc {
-public:
- ~P2_Server();
- P2_Server(yazpp_1::IPDU_Observable *the_PDU_Observable,
- Msg_Thread *m_my_thread,
- P2_Config *config,
- P2_ModuleFactory *modules);
- P2_Config *lockConfig();
- void unlockConfig();
- std::list<P2_Backend *>m_backend_list;
- P2_ModuleFactory *m_modules;
-private:
- yazpp_1::IPDU_Observer* sessionNotify(
- yazpp_1::IPDU_Observable *the_PDU_Observable,
- int fd);
- void recv_GDU(Z_GDU *apdu, int len);
-
- void failNotify();
- void timeoutNotify();
- void connectNotify();
-private:
- P2_Config *m_config;
- Msg_Thread *m_my_thread;
- pthread_mutex_t m_mutex_config;
-};
-
-class P2_FrontResultSet {
-public:
- P2_FrontResultSet(const char *id);
- ~P2_FrontResultSet();
- void setQuery(Z_Query *z_query);
- void setDatabases(char **db, int num);
- std::string m_resultSetId;
- std::vector<std::string> m_db_list;
- yazpp_1::Yaz_Z_Query m_query;
-};
-
-class P2_Msg : public IMsg_Thread {
-public:
- int m_close_flag;
- yazpp_1::GDU *m_gdu;
- yazpp_1::GDU *m_output;
- P2_Frontend *m_front;
- P2_Server *m_server;
- IMsg_Thread *handle();
- void result();
- P2_Msg(yazpp_1::GDU *gdu, P2_Frontend *front, P2_Server *server);
- virtual ~P2_Msg();
- private:
-
- Z_APDU *frontend_search_resultset(Z_APDU *z_gdu, ODR odr,
- P2_FrontResultSet **rset);
- Z_APDU *frontend_present_resultset(Z_APDU *z_gdu, ODR odr,
- P2_FrontResultSet **rset);
- Z_APDU *frontend_search_apdu(Z_APDU *z_gdu, ODR odr);
- Z_APDU *frontend_present_apdu(Z_APDU *z_gdu, ODR odr);
- P2_Backend *select_backend(std::string db,
- yazpp_1::Yaz_Z_Query *query,
- P2_BackendResultSet **bset);
- P2_Backend *create_backend(std::string db);
-};
-
-class P2_Frontend : public yazpp_1::Z_Assoc {
- public:
- ~P2_Frontend();
- P2_Frontend(yazpp_1::IPDU_Observable *the_PDU_Observable,
- Msg_Thread *m_my_thread, P2_Server *server);
- IPDU_Observer* sessionNotify(yazpp_1::IPDU_Observable *the_PDU_Observable,
- int fd);
-
- void recv_GDU(Z_GDU *apdu, int len);
-
- void failNotify();
- void timeoutNotify();
- void connectNotify();
-
- int m_no_requests;
- int m_delete_flag;
- std::list<P2_FrontResultSet *> m_resultSets;
-
- private:
- yazpp_1::GDUQueue m_in_queue;
- Msg_Thread *m_my_thread;
- P2_Server *m_server;
- private:
- bool P2_Frontend::search(Z_GDU *z_gdu);
- bool P2_Frontend::handle_init(Z_GDU *z_gdu);
-};
-
-#endif
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
+++ /dev/null
-
-#include <dlfcn.h>
-
-#include "p2_modules.h"
-
-class P2_ModuleDLEntry {
-public:
- void *m_dl_handle;
- P2_ModuleEntry *m_entry;
- P2_ModuleDLEntry();
- ~P2_ModuleDLEntry();
-};
-
-P2_ModuleDLEntry::P2_ModuleDLEntry()
-{
- m_dl_handle = 0;
- m_entry = 0;
-}
-
-P2_ModuleDLEntry::~P2_ModuleDLEntry()
-{
- if (m_dl_handle)
- dlclose(m_dl_handle);
-}
-
-P2_ModuleFactory::P2_ModuleFactory()
-{
-}
-
-P2_ModuleFactory::~P2_ModuleFactory()
-{
-}
-
-bool P2_ModuleFactory::add(P2_ModuleEntry *entry)
-{
- P2_ModuleDLEntry *m = new P2_ModuleDLEntry();
- m->m_entry = entry;
- m_modules.push_back(m);
- return true;
-}
-
-bool P2_ModuleFactory::add(const char *fname)
-{
- void *dl_handle = dlopen(fname, RTLD_NOW|RTLD_GLOBAL);
- if (!dl_handle)
- return false;
-
- P2_ModuleEntry *entry =
- reinterpret_cast<P2_ModuleEntry *>
- (dlsym(dl_handle, "p2_module_entry"));
- if (!entry)
- {
- dlclose(dl_handle);
- return false;
- }
- P2_ModuleDLEntry *m = new P2_ModuleDLEntry();
- m->m_dl_handle = dl_handle;
- m->m_entry = entry;
- m_modules.push_back(m);
- return true;
-}
-
-void *P2_ModuleFactory::get_interface(const char *name, int version)
-{
- std::list<P2_ModuleDLEntry *>::const_iterator it;
- for (it = m_modules.begin(); it != m_modules.end(); it++)
- {
- P2_ModuleDLEntry *ent = *it;
- if (!strcmp(ent->m_entry->name, name) &&
- ent->m_entry->version == version)
- {
- return ent->m_entry->interface_ptr;
- }
- }
- return 0;
-}
-
+++ /dev/null
-
-#ifndef P2_MODULES_H
-#define P2_MODULES_H
-
-#include "p2_backend.h"
-
-#include <list>
-
-class P2_ModuleDLEntry ;
-class P2_ModuleFactory {
- public:
- P2_ModuleFactory();
- ~P2_ModuleFactory();
- bool add(const char *fname);
- bool add(P2_ModuleEntry *entry);
- void *get_interface(const char *name, int version);
- private:
- std::list <P2_ModuleDLEntry *>m_modules;
-};
-
-#endif
+++ /dev/null
-/* $Id: p2_msg.cpp,v 1.1 2005-10-05 12:07:14 adam Exp $
- Copyright (c) 1998-2005, Index Data.
-
-This file is part of the yaz-proxy.
-
-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
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-YAZ proxy is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-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.
- */
-
-#include <yaz/log.h>
-#include <yaz/diagbib1.h>
-#include "p2_backend.h"
-#include "p2_frontend.h"
-#include "p2_config.h"
-#include "p2_modules.h"
-
-using namespace yazpp_1;
-using namespace std;
-
-IP2_BackendSet::~IP2_BackendSet()
-{
-}
-
-IP2_Backend::~IP2_Backend()
-{
-
-}
-
-P2_Backend::P2_Backend(P2_ConfigTarget *cfg, IP2_Backend *backend_int)
-{
- m_configTarget = new P2_ConfigTarget;
- *m_configTarget = *cfg;
- m_busy = false;
- m_int = backend_int;
-}
-
-P2_Backend::~P2_Backend()
-{
- delete m_configTarget;
-}
-
-P2_BackendResultSet::P2_BackendResultSet()
-{
- m_int = 0;
-}
-
-P2_BackendResultSet::~P2_BackendResultSet()
-{
- delete m_int;
-}
-
-P2_Backend *P2_Msg::select_backend(string db,
- Yaz_Z_Query *query,
- P2_BackendResultSet **bset)
-{
- P2_Config *cfg = m_server->lockConfig();
-
- // see if some target has done this query before
-
- *bset = 0;
- P2_Backend *backend = 0;
-
- list<P2_Backend *>::const_iterator it;
- for (it = m_server->m_backend_list.begin();
- it != m_server->m_backend_list.end(); it++)
- {
- if ((*it)->m_busy)
- continue;
-
- if (db != (*it)->m_configTarget->m_virt_database)
- continue;
- backend = *it;
-
- if (query)
- {
- list<P2_BackendResultSet *>::const_iterator is;
- for (is = (*it)->m_resultSets.begin();
- is != (*it)->m_resultSets.end(); is++)
- {
- if (query->match(&(*is)->m_query))
- {
- *bset = *is;
- break;
- }
- }
- }
- if (bset)
- break;
- }
- if (!backend)
- {
- P2_ConfigTarget *target_cfg = cfg->find_target(db);
-
- if (!target_cfg)
- {
- yaz_log(YLOG_WARN, "No backend for database %s",
- db.c_str());
- }
- else
- {
- P2_ModuleInterface0 *int0 =
- reinterpret_cast<P2_ModuleInterface0 *>
- (m_server->m_modules->get_interface(target_cfg->m_type.c_str(),
- 0));
- IP2_Backend *bint = 0;
-
- if (int0)
- bint = int0->create(target_cfg->m_target_address.c_str());
-
- if (bint)
- backend = new P2_Backend(target_cfg, bint);
-
- if (backend)
- m_server->m_backend_list.push_back(backend);
- }
- }
- if (backend)
- backend->m_busy = true;
- m_server->unlockConfig();
- return backend;
-}
-
-void P2_FrontResultSet::setQuery(Z_Query *z_query)
-{
- m_query.set_Z_Query(z_query);
-}
-
-void P2_FrontResultSet::setDatabases(char **db, int num)
-{
- m_db_list.clear();
-
- int i;
- for (i = 0; i<num; i++)
- m_db_list.push_back(db[i]);
-}
-
-P2_FrontResultSet::P2_FrontResultSet(const char *id)
-{
- m_resultSetId = id;
-}
-
-
-P2_FrontResultSet::~P2_FrontResultSet()
-{
-}
-
-P2_Msg::P2_Msg(GDU *gdu, P2_Frontend *front, P2_Server *server)
-{
- m_front = front;
- m_server = server;
- m_output = 0;
- m_gdu = gdu;
- m_close_flag = 0;
-}
-
-P2_Msg::~P2_Msg()
-{
- delete m_output;
- delete m_gdu;
-}
-
-Z_APDU *P2_Msg::frontend_search_resultset(Z_APDU *z_gdu, ODR odr,
- P2_FrontResultSet **rset)
-{
- Z_SearchRequest *req = z_gdu->u.searchRequest;
- list<P2_FrontResultSet *>::iterator it;
- P2_FrontResultSet *s = 0;
-
- string id = req->resultSetName;
- for (it = m_front->m_resultSets.begin(); it != m_front->m_resultSets.end(); it++)
- {
- if ((*it)->m_resultSetId == id)
- {
- s = *it;
- break;
- }
- }
- if (s)
- {
- // result set already exists
- *rset = s;
- if (req->replaceIndicator && *req->replaceIndicator)
- { // replace indicator true
- s->setQuery(req->query);
- s->setDatabases(req->databaseNames, req->num_databaseNames);
- return 0;
- }
- Z_APDU *apdu = zget_APDU(odr, Z_APDU_searchResponse);
- Z_Records *rec = (Z_Records *) odr_malloc(odr, sizeof(Z_Records));
- apdu->u.searchResponse->records = rec;
- rec->which = Z_Records_NSD;
- rec->u.nonSurrogateDiagnostic =
- zget_DefaultDiagFormat(
- odr, YAZ_BIB1_RESULT_SET_EXISTS_AND_REPLACE_INDICATOR_OFF,
- req->resultSetName);
-
- return apdu;
- }
- // does not exist
- s = new P2_FrontResultSet(req->resultSetName);
- s->setQuery(req->query);
- s->setDatabases(req->databaseNames, req->num_databaseNames);
- m_front->m_resultSets.push_back(s);
- *rset = s;
- return 0;
-}
-
-Z_APDU *P2_Msg::frontend_search_apdu(Z_APDU *request_apdu, ODR odr)
-{
- P2_FrontResultSet *rset;
- Z_APDU *response_apdu = frontend_search_resultset(request_apdu, odr,
- &rset);
- if (response_apdu)
- return response_apdu;
-
- // no immediate error (yet)
- size_t i;
- for (i = 0; i<rset->m_db_list.size(); i++)
- {
- string db = rset->m_db_list[i];
- P2_BackendResultSet *bset;
- P2_Backend *b = select_backend(db, &rset->m_query, &bset);
- if (!b)
- {
- Z_APDU *apdu = zget_APDU(odr, Z_APDU_searchResponse);
- Z_Records *rec = (Z_Records *) odr_malloc(odr, sizeof(Z_Records));
- apdu->u.searchResponse->records = rec;
- rec->which = Z_Records_NSD;
- rec->u.nonSurrogateDiagnostic =
- zget_DefaultDiagFormat(
- odr, YAZ_BIB1_DATABASE_UNAVAILABLE, db.c_str());
- return apdu;
- }
- if (!bset)
- { // new set
- bset = new P2_BackendResultSet();
-
- bset->m_query.set_Z_Query(request_apdu->u.searchRequest->query);
- bset->m_db_list.push_back(db);
-
- b->m_int->search(&bset->m_query, &bset->m_int, &bset->m_hit_count);
- b->m_resultSets.push_back(bset);
- }
- else
- {
- bset->m_int->get(1, 1);
- }
- response_apdu = zget_APDU(odr, Z_APDU_searchResponse);
- *response_apdu->u.searchResponse->resultCount = bset->m_hit_count;
- b->m_busy = false;
- }
- if (!response_apdu)
- {
- Z_APDU *apdu = zget_APDU(odr, Z_APDU_searchResponse);
- Z_Records *rec = (Z_Records *) odr_malloc(odr, sizeof(Z_Records));
- apdu->u.searchResponse->records = rec;
- rec->which = Z_Records_NSD;
- rec->u.nonSurrogateDiagnostic =
- zget_DefaultDiagFormat(odr, YAZ_BIB1_UNSUPP_SEARCH, 0);
- return apdu;
- }
- return response_apdu;
-}
-
-Z_APDU *P2_Msg::frontend_present_resultset(Z_APDU *z_gdu, ODR odr,
- P2_FrontResultSet **rset)
-{
- Z_PresentRequest *req = z_gdu->u.presentRequest;
- list<P2_FrontResultSet *>::iterator it;
- P2_FrontResultSet *s = 0;
-
- string id = req->resultSetId;
- for (it = m_front->m_resultSets.begin(); it != m_front->m_resultSets.end(); it++)
- {
- if ((*it)->m_resultSetId == id)
- {
- s = *it;
- break;
- }
- }
- *rset = s;
- if (s)
- return 0; // fine result set exists
-
- Z_APDU *apdu = zget_APDU(odr, Z_APDU_presentResponse);
-
- Z_Records *rec = (Z_Records *) odr_malloc(odr, sizeof(Z_Records));
- apdu->u.presentResponse->records = rec;
- rec->which = Z_Records_NSD;
- rec->u.nonSurrogateDiagnostic =
- zget_DefaultDiagFormat(
- odr,
- YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST,
- req->resultSetId);
- return apdu;
-}
-
-Z_APDU *P2_Msg::frontend_present_apdu(Z_APDU *request_apdu, ODR odr)
-{
- P2_FrontResultSet *rset;
- Z_APDU *response_apdu = frontend_present_resultset(request_apdu, odr,
- &rset);
- if (response_apdu)
- return response_apdu;
- return zget_APDU(odr, Z_APDU_presentResponse);
-}
-
-IMsg_Thread *P2_Msg::handle()
-{
- ODR odr = odr_createmem(ODR_ENCODE);
- yaz_log(YLOG_LOG, "P2_Msg:handle begin");
- Z_GDU *request_gdu = m_gdu->get();
-
- if (request_gdu->which == Z_GDU_Z3950)
- {
- Z_APDU *request_apdu = request_gdu->u.z3950;
- Z_APDU *response_apdu = 0;
- switch(request_apdu->which)
- {
- case Z_APDU_initRequest:
- response_apdu = zget_APDU(odr, Z_APDU_initResponse);
- ODR_MASK_SET(response_apdu->u.initResponse->options, Z_Options_triggerResourceCtrl);
- ODR_MASK_SET(response_apdu->u.initResponse->options, Z_Options_search);
- ODR_MASK_SET(response_apdu->u.initResponse->options, Z_Options_present);
- ODR_MASK_SET(response_apdu->u.initResponse->options, Z_Options_namedResultSets);
- break;
- case Z_APDU_searchRequest:
- response_apdu = frontend_search_apdu(request_apdu, odr);
- break;
- case Z_APDU_presentRequest:
- response_apdu = frontend_present_apdu(request_apdu, odr);
- break;
- case Z_APDU_triggerResourceControlRequest:
- break;
- default:
- response_apdu = zget_APDU(odr, Z_APDU_close);
- m_close_flag = 1;
- break;
- }
- if (response_apdu)
- m_output = new GDU(response_apdu);
- }
- yaz_log(YLOG_LOG, "P2_Msg:handle end");
- odr_destroy(odr);
- return this;
-}
-
-void P2_Msg::result()
-{
- m_front->m_no_requests--;
- if (!m_front->m_delete_flag)
- {
- if (m_output)
- {
- int len;
- m_front->send_GDU(m_output->get(), &len);
- }
- if (m_close_flag)
- {
- m_front->close();
- m_front->m_delete_flag = 1;
- }
- }
- if (m_front->m_delete_flag && m_front->m_no_requests == 0)
- delete m_front;
- delete this;
-}
-
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
+++ /dev/null
-/* $Id: p2_xmlerror.cpp,v 1.1 2005-10-05 12:07:15 adam Exp $
- Copyright (c) 1998-2005, Index Data.
-
-This file is part of the yaz-proxy.
-
-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
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-YAZ proxy is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-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.
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <yaz/log.h>
-
-#include "p2_xmlerror.h"
-
-#if HAVE_XSLT
-#include <libxml/parser.h>
-#include <libxslt/xsltutils.h>
-#endif
-
-#if HAVE_XSLT
-static void p2_xml_error_handler(void *ctx, const char *fmt, ...)
-{
- char buf[1024];
- size_t sz;
-
- va_list ap;
- va_start(ap, fmt);
-
-#ifdef WIN32
- vsprintf(buf, fmt, ap);
-#else
- vsnprintf(buf, sizeof(buf), fmt, ap);
-#endif
- sz = strlen(buf);
- if (sz > 0 && buf[sz-1] == '\n')
- buf[sz-1] = '\0';
-
- yaz_log(YLOG_WARN, "%s: %s", (char*) ctx, buf);
-
- va_end (ap);
-}
-#endif
-
-void p2_xmlerror_setup()
-{
-#if HAVE_XSLT
- xmlSetGenericErrorFunc((void *) "XML", p2_xml_error_handler);
- xsltSetGenericErrorFunc((void *) "XSLT", p2_xml_error_handler);
-#endif
-}
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
+++ /dev/null
-/* $Id: p2_xmlerror.h,v 1.1 2005-10-05 12:07:15 adam Exp $
- Copyright (c) 1998-2005, Index Data.
-
-This file is part of the yaz-proxy.
-
-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
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-YAZ proxy is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-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.
- */
-
-#ifndef P2_XMLERROR_H
-#define P2_XMLERROR_H
-
-void p2_xmlerror_setup();
-
-#endif
-
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
projects / yazproxy-moved-to-github.git / commitdiff