X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=src%2Ffilter_frontend_net.cpp;h=38ed62bd8fb8517acff375037fef8c6905649528;hb=637a685d61a9ff0e3f398a59da426979815c4d68;hp=cd4dd1461ebd4d67f5900d291fb85f791196ca75;hpb=cc631cd71d418decb1ebde093a9a89d5e007f585;p=metaproxy-moved-to-github.git

diff --git a/src/filter_frontend_net.cpp b/src/filter_frontend_net.cpp
index cd4dd14..38ed62b 100644
--- a/src/filter_frontend_net.cpp
+++ b/src/filter_frontend_net.cpp
@@ -1,31 +1,49 @@
-/* $Id: filter_frontend_net.cpp,v 1.14 2006-01-09 21:19:11 adam Exp $
-   Copyright (c) 2005, Index Data.
+/* $Id: filter_frontend_net.cpp,v 1.24 2007-05-09 21:23:09 adam Exp $
+   Copyright (c) 2005-2007, Index Data.
 
-%LICENSE%
+This file is part of Metaproxy.
+
+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
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+Metaproxy 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 Metaproxy; see the file LICENSE.  If not, write to the
+Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.
  */
 
 #include "config.hpp"
 
-#include "xmlutil.hpp"
+#include "util.hpp"
 #include "pipe.hpp"
 #include "filter.hpp"
 #include "package.hpp"
 #include "thread_pool_observer.hpp"
 #include "filter_frontend_net.hpp"
-#include <yaz++/z-assoc.h>
-#include <yaz++/pdu-assoc.h>
-#include <yaz++/socket-manager.h>
+#include <yazpp/z-assoc.h>
+#include <yazpp/pdu-assoc.h>
+#include <yazpp/socket-manager.h>
 #include <yaz/log.h>
 
 #include <iostream>
 
-namespace yp2 {
+namespace mp = metaproxy_1;
+
+namespace metaproxy_1 {
     namespace filter {
         class FrontendNet::Rep {
             friend class FrontendNet;
             int m_no_threads;
             std::vector<std::string> m_ports;
             int m_listen_duration;
+            int m_session_timeout;
         };
     }
     class My_Timer_Thread : public yazpp_1::ISocketObserver {
@@ -42,8 +60,8 @@ namespace yp2 {
     public:
         ~ZAssocChild();
         ZAssocChild(yazpp_1::IPDU_Observable *the_PDU_Observable,
-                          yp2::ThreadPoolSocketObserver *m_thread_pool_observer,
-                          const yp2::Package *package);
+                          mp::ThreadPoolSocketObserver *m_thread_pool_observer,
+                          const mp::Package *package);
         int m_no_requests;
     private:
         yazpp_1::IPDU_Observer* sessionNotify(
@@ -55,31 +73,32 @@ namespace yp2 {
         void timeoutNotify();
         void connectNotify();
     private:
-        yp2::ThreadPoolSocketObserver *m_thread_pool_observer;
-        yp2::Session m_session;
-        yp2::Origin m_origin;
+        mp::ThreadPoolSocketObserver *m_thread_pool_observer;
+        mp::Session m_session;
+        mp::Origin m_origin;
         bool m_delete_flag;
-        const yp2::Package *m_package;
+        const mp::Package *m_package;
     };
-    class ThreadPoolPackage : public yp2::IThreadPoolMsg {
+    class ThreadPoolPackage : public mp::IThreadPoolMsg {
     public:
-        ThreadPoolPackage(yp2::Package *package, yp2::ZAssocChild *ses) :
+        ThreadPoolPackage(mp::Package *package, mp::ZAssocChild *ses) :
             m_session(ses), m_package(package) { };
         ~ThreadPoolPackage();
         IThreadPoolMsg *handle();
         void result();
         
     private:
-        yp2::ZAssocChild *m_session;
-        yp2::Package *m_package;
+        mp::ZAssocChild *m_session;
+        mp::Package *m_package;
         
     };
     class ZAssocServer : public yazpp_1::Z_Assoc {
     public:
         ~ZAssocServer();
         ZAssocServer(yazpp_1::IPDU_Observable *PDU_Observable,
-                     yp2::ThreadPoolSocketObserver *m_thread_pool_observer,
-                     const yp2::Package *package);
+                     mp::ThreadPoolSocketObserver *m_thread_pool_observer,
+                     const mp::Package *package,
+                     int timeout);
     private:
         yazpp_1::IPDU_Observer* sessionNotify(
             yazpp_1::IPDU_Observable *the_PDU_Observable,
@@ -90,73 +109,99 @@ namespace yp2 {
         void timeoutNotify();
     void connectNotify();
     private:
-        yp2::ThreadPoolSocketObserver *m_thread_pool_observer;
-        const yp2::Package *m_package;
+        mp::ThreadPoolSocketObserver *m_thread_pool_observer;
+        const mp::Package *m_package;
+        int m_session_timeout;
     };
 }
 
-yp2::ThreadPoolPackage::~ThreadPoolPackage()
+mp::ThreadPoolPackage::~ThreadPoolPackage()
 {
     delete m_package;
 }
 
-void yp2::ThreadPoolPackage::result()
+void mp::ThreadPoolPackage::result()
 {
     m_session->m_no_requests--;
 
     yazpp_1::GDU *gdu = &m_package->response();
+
     if (gdu->get())
     {
 	int len;
 	m_session->send_GDU(gdu->get(), &len);
     }
+    else if (!m_package->session().is_closed())
+    {
+        // no response package and yet the session is still open..
+        // means that request is unhandled..
+        yazpp_1::GDU *gdu_req = &m_package->request();
+        Z_GDU *z_gdu = gdu_req->get();
+        if (z_gdu && z_gdu->which == Z_GDU_Z3950)
+        {
+            // For Z39.50, response with a Close and shutdown
+            mp::odr odr;
+            int len;
+            Z_APDU *apdu_response = odr.create_close(
+                z_gdu->u.z3950, Z_Close_systemProblem, 
+                "unhandled Z39.50 request");
+
+            m_session->send_Z_PDU(apdu_response, &len);
+            m_package->session().close();
+        }
+    }
+
     if (m_session->m_no_requests == 0 && m_package->session().is_closed())
 	delete m_session;
     delete this;
 }
 
-yp2::IThreadPoolMsg *yp2::ThreadPoolPackage::handle() 
+mp::IThreadPoolMsg *mp::ThreadPoolPackage::handle() 
 {
     m_package->move();
     return this;
 }
 
 
-yp2::ZAssocChild::ZAssocChild(yazpp_1::IPDU_Observable *PDU_Observable,
-				     yp2::ThreadPoolSocketObserver *my_thread_pool,
-				     const yp2::Package *package)
+mp::ZAssocChild::ZAssocChild(yazpp_1::IPDU_Observable *PDU_Observable,
+				     mp::ThreadPoolSocketObserver *my_thread_pool,
+				     const mp::Package *package)
     :  Z_Assoc(PDU_Observable)
 {
     m_thread_pool_observer = my_thread_pool;
     m_no_requests = 0;
     m_delete_flag = false;
     m_package = package;
+    const char *peername = PDU_Observable->getpeername();
+    if (!peername)
+        peername = "unknown";
+    m_origin.set_tcpip_address(std::string(peername), m_session.id());
 }
 
 
-yazpp_1::IPDU_Observer *yp2::ZAssocChild::sessionNotify(yazpp_1::IPDU_Observable
+yazpp_1::IPDU_Observer *mp::ZAssocChild::sessionNotify(yazpp_1::IPDU_Observable
 						  *the_PDU_Observable, int fd)
 {
     return 0;
 }
 
-yp2::ZAssocChild::~ZAssocChild()
+mp::ZAssocChild::~ZAssocChild()
 {
 }
 
-void yp2::ZAssocChild::recv_GDU(Z_GDU *z_pdu, int len)
+void mp::ZAssocChild::recv_GDU(Z_GDU *z_pdu, int len)
 {
     m_no_requests++;
 
-    yp2::Package *p = new yp2::Package(m_session, m_origin);
+    mp::Package *p = new mp::Package(m_session, m_origin);
 
-    yp2::ThreadPoolPackage *tp = new yp2::ThreadPoolPackage(p, this);
+    mp::ThreadPoolPackage *tp = new mp::ThreadPoolPackage(p, this);
     p->copy_filter(*m_package);
     p->request() = yazpp_1::GDU(z_pdu);
     m_thread_pool_observer->put(tp);  
 }
 
-void yp2::ZAssocChild::failNotify()
+void mp::ZAssocChild::failNotify()
 {
     // TODO: send Package to signal "close"
     if (m_session.is_closed())
@@ -165,78 +210,81 @@ void yp2::ZAssocChild::failNotify()
 
     m_session.close();
 
-    yp2::Package *p = new yp2::Package(m_session, m_origin);
+    mp::Package *p = new mp::Package(m_session, m_origin);
 
-    yp2::ThreadPoolPackage *tp = new yp2::ThreadPoolPackage(p, this);
+    mp::ThreadPoolPackage *tp = new mp::ThreadPoolPackage(p, this);
     p->copy_filter(*m_package);
     m_thread_pool_observer->put(tp);  
 }
 
-void yp2::ZAssocChild::timeoutNotify()
+void mp::ZAssocChild::timeoutNotify()
 {
     failNotify();
 }
 
-void yp2::ZAssocChild::connectNotify()
+void mp::ZAssocChild::connectNotify()
 {
 
 }
 
-yp2::ZAssocServer::ZAssocServer(yazpp_1::IPDU_Observable *PDU_Observable,
-			   yp2::ThreadPoolSocketObserver *thread_pool_observer,
-			   const yp2::Package *package)
-    :  Z_Assoc(PDU_Observable)
+mp::ZAssocServer::ZAssocServer(yazpp_1::IPDU_Observable *PDU_Observable,
+                               mp::ThreadPoolSocketObserver *thread_pool_observer,
+                               const mp::Package *package,
+                               int timeout)
+    :  Z_Assoc(PDU_Observable), m_session_timeout(timeout)
 {
     m_thread_pool_observer = thread_pool_observer;
     m_package = package;
 
 }
 
-yazpp_1::IPDU_Observer *yp2::ZAssocServer::sessionNotify(yazpp_1::IPDU_Observable
+yazpp_1::IPDU_Observer *mp::ZAssocServer::sessionNotify(yazpp_1::IPDU_Observable
 						 *the_PDU_Observable, int fd)
 {
-    yp2::ZAssocChild *my =
-	new yp2::ZAssocChild(the_PDU_Observable, m_thread_pool_observer,
+    mp::ZAssocChild *my =
+	new mp::ZAssocChild(the_PDU_Observable, m_thread_pool_observer,
                              m_package);
+    my->timeout(m_session_timeout);
     return my;
 }
 
-yp2::ZAssocServer::~ZAssocServer()
+mp::ZAssocServer::~ZAssocServer()
 {
 }
 
-void yp2::ZAssocServer::recv_GDU(Z_GDU *apdu, int len)
+void mp::ZAssocServer::recv_GDU(Z_GDU *apdu, int len)
 {
 }
 
-void yp2::ZAssocServer::failNotify()
+void mp::ZAssocServer::failNotify()
 {
 }
 
-void yp2::ZAssocServer::timeoutNotify()
+void mp::ZAssocServer::timeoutNotify()
 {
 }
 
-void yp2::ZAssocServer::connectNotify()
+void mp::ZAssocServer::connectNotify()
 {
 }
 
-yp2::filter::FrontendNet::FrontendNet() : m_p(new Rep)
+mp::filter::FrontendNet::FrontendNet() : m_p(new Rep)
 {
     m_p->m_no_threads = 5;
     m_p->m_listen_duration = 0;
+    m_p->m_session_timeout = 300; // 5 minutes
 }
 
-yp2::filter::FrontendNet::~FrontendNet()
+mp::filter::FrontendNet::~FrontendNet()
 {
 }
 
-bool yp2::My_Timer_Thread::timeout()
+bool mp::My_Timer_Thread::timeout()
 {
     return m_timeout;
 }
 
-yp2::My_Timer_Thread::My_Timer_Thread(yazpp_1::ISocketObservable *obs,
+mp::My_Timer_Thread::My_Timer_Thread(yazpp_1::ISocketObservable *obs,
 				 int duration) : 
     m_obs(obs), m_pipe(9123), m_timeout(false)
 {
@@ -245,13 +293,13 @@ yp2::My_Timer_Thread::My_Timer_Thread(yazpp_1::ISocketObservable *obs,
     obs->timeoutObserver(this, duration);
 }
 
-void yp2::My_Timer_Thread::socketNotify(int event)
+void mp::My_Timer_Thread::socketNotify(int event)
 {
     m_timeout = true;
     m_obs->deleteObserver(this);
 }
 
-void yp2::filter::FrontendNet::process(Package &package) const
+void mp::filter::FrontendNet::process(Package &package) const
 {
     if (m_p->m_ports.size() == 0)
         return;
@@ -264,17 +312,18 @@ void yp2::filter::FrontendNet::process(Package &package) const
 
     ThreadPoolSocketObserver threadPool(&mySocketManager, m_p->m_no_threads);
 
-    yp2::ZAssocServer **az = new yp2::ZAssocServer *[m_p->m_ports.size()];
+    mp::ZAssocServer **az = new mp::ZAssocServer *[m_p->m_ports.size()];
 
-    // Create yp2::ZAssocServer for each port
+    // Create mp::ZAssocServer for each port
     size_t i;
     for (i = 0; i<m_p->m_ports.size(); i++)
     {
-	// create a PDU assoc object (one per yp2::ZAssocServer)
+	// create a PDU assoc object (one per mp::ZAssocServer)
 	yazpp_1::PDU_Assoc *as = new yazpp_1::PDU_Assoc(&mySocketManager);
 
 	// create ZAssoc with PDU Assoc
-	az[i] = new yp2::ZAssocServer(as, &threadPool, &package);
+	az[i] = new mp::ZAssocServer(as, &threadPool, &package,
+                                     m_p->m_session_timeout);
 	az[i]->server(m_p->m_ports[i].c_str());
     }
     while (mySocketManager.processEvent() > 0)
@@ -289,11 +338,11 @@ void yp2::filter::FrontendNet::process(Package &package) const
     delete tt;
 }
 
-void yp2::filter::FrontendNet::configure(const xmlNode * ptr)
+void mp::filter::FrontendNet::configure(const xmlNode * ptr)
 {
     if (!ptr || !ptr->children)
     {
-        throw yp2::filter::FilterException("No ports for Frontend");
+        throw mp::filter::FilterException("No ports for Frontend");
     }
     std::vector<std::string> ports;
     for (ptr = ptr->children; ptr; ptr = ptr->next)
@@ -302,22 +351,31 @@ void yp2::filter::FrontendNet::configure(const xmlNode * ptr)
             continue;
         if (!strcmp((const char *) ptr->name, "port"))
         {
-            std::string port = yp2::xml::get_text(ptr);
+            std::string port = mp::xml::get_text(ptr);
             ports.push_back(port);
             
         }
         else if (!strcmp((const char *) ptr->name, "threads"))
         {
-            std::string threads_str = yp2::xml::get_text(ptr);
+            std::string threads_str = mp::xml::get_text(ptr);
             int threads = atoi(threads_str.c_str());
             if (threads < 1)
-                throw yp2::filter::FilterException("Bad value for threads: " 
+                throw mp::filter::FilterException("Bad value for threads: " 
                                                    + threads_str);
             m_p->m_no_threads = threads;
         }
+        else if (!strcmp((const char *) ptr->name, "timeout"))
+        {
+            std::string timeout_str = mp::xml::get_text(ptr);
+            int timeout = atoi(timeout_str.c_str());
+            if (timeout < 1)
+                throw mp::filter::FilterException("Bad value for timeout: " 
+                                                   + timeout_str);
+            m_p->m_session_timeout = timeout;
+        }
         else
         {
-            throw yp2::filter::FilterException("Bad element " 
+            throw mp::filter::FilterException("Bad element " 
                                                + std::string((const char *)
                                                              ptr->name));
         }
@@ -325,23 +383,23 @@ void yp2::filter::FrontendNet::configure(const xmlNode * ptr)
     m_p->m_ports = ports;
 }
 
-std::vector<std::string> &yp2::filter::FrontendNet::ports()
+std::vector<std::string> &mp::filter::FrontendNet::ports()
 {
     return m_p->m_ports;
 }
 
-int &yp2::filter::FrontendNet::listen_duration()
+int &mp::filter::FrontendNet::listen_duration()
 {
     return m_p->m_listen_duration;
 }
 
-static yp2::filter::Base* filter_creator()
+static mp::filter::Base* filter_creator()
 {
-    return new yp2::filter::FrontendNet;
+    return new mp::filter::FrontendNet;
 }
 
 extern "C" {
-    struct yp2_filter_struct yp2_filter_frontend_net = {
+    struct metaproxy_1_filter_struct metaproxy_1_filter_frontend_net = {
         0,
         "frontend_net",
         filter_creator