1 /* $Id: filter_frontend_net.cpp,v 1.12 2006-01-09 13:43:59 adam Exp $
2 Copyright (c) 2005, Index Data.
10 #include "xmlutil.hpp"
14 #include "package.hpp"
15 #include "thread_pool_observer.hpp"
16 #include "filter_frontend_net.hpp"
17 #include <yaz++/z-assoc.h>
18 #include <yaz++/pdu-assoc.h>
19 #include <yaz++/socket-manager.h>
25 class My_Timer_Thread : public yazpp_1::ISocketObserver {
27 yazpp_1::ISocketObservable *m_obs;
31 My_Timer_Thread(yazpp_1::ISocketObservable *obs, int duration);
32 void socketNotify(int event);
35 class ZAssocChild : public yazpp_1::Z_Assoc {
38 ZAssocChild(yazpp_1::IPDU_Observable *the_PDU_Observable,
39 yp2::ThreadPoolSocketObserver *m_thread_pool_observer,
40 const yp2::Package *package);
43 yazpp_1::IPDU_Observer* sessionNotify(
44 yazpp_1::IPDU_Observable *the_PDU_Observable,
46 void recv_GDU(Z_GDU *apdu, int len);
52 yp2::ThreadPoolSocketObserver *m_thread_pool_observer;
53 yp2::Session m_session;
56 const yp2::Package *m_package;
58 class ThreadPoolPackage : public yp2::IThreadPoolMsg {
60 ThreadPoolPackage(yp2::Package *package, yp2::ZAssocChild *ses) :
61 m_session(ses), m_package(package) { };
63 IThreadPoolMsg *handle();
67 yp2::ZAssocChild *m_session;
68 yp2::Package *m_package;
71 class ZAssocServer : public yazpp_1::Z_Assoc {
74 ZAssocServer(yazpp_1::IPDU_Observable *PDU_Observable,
75 yp2::ThreadPoolSocketObserver *m_thread_pool_observer,
76 const yp2::Package *package);
78 yazpp_1::IPDU_Observer* sessionNotify(
79 yazpp_1::IPDU_Observable *the_PDU_Observable,
81 void recv_GDU(Z_GDU *apdu, int len);
87 yp2::ThreadPoolSocketObserver *m_thread_pool_observer;
88 const yp2::Package *m_package;
92 yp2::ThreadPoolPackage::~ThreadPoolPackage()
97 void yp2::ThreadPoolPackage::result()
99 m_session->m_no_requests--;
101 yazpp_1::GDU *gdu = &m_package->response();
105 m_session->send_GDU(gdu->get(), &len);
107 if (m_session->m_no_requests == 0 && m_package->session().is_closed())
112 yp2::IThreadPoolMsg *yp2::ThreadPoolPackage::handle()
119 yp2::ZAssocChild::ZAssocChild(yazpp_1::IPDU_Observable *PDU_Observable,
120 yp2::ThreadPoolSocketObserver *my_thread_pool,
121 const yp2::Package *package)
122 : Z_Assoc(PDU_Observable)
124 m_thread_pool_observer = my_thread_pool;
126 m_delete_flag = false;
131 yazpp_1::IPDU_Observer *yp2::ZAssocChild::sessionNotify(yazpp_1::IPDU_Observable
132 *the_PDU_Observable, int fd)
137 yp2::ZAssocChild::~ZAssocChild()
141 void yp2::ZAssocChild::recv_GDU(Z_GDU *z_pdu, int len)
145 yp2::Package *p = new yp2::Package(m_session, m_origin);
147 yp2::ThreadPoolPackage *tp = new yp2::ThreadPoolPackage(p, this);
148 p->copy_filter(*m_package);
149 p->request() = yazpp_1::GDU(z_pdu);
150 m_thread_pool_observer->put(tp);
153 void yp2::ZAssocChild::failNotify()
155 // TODO: send Package to signal "close"
156 if (m_session.is_closed())
162 yp2::Package *p = new yp2::Package(m_session, m_origin);
164 yp2::ThreadPoolPackage *tp = new yp2::ThreadPoolPackage(p, this);
165 p->copy_filter(*m_package);
166 m_thread_pool_observer->put(tp);
169 void yp2::ZAssocChild::timeoutNotify()
174 void yp2::ZAssocChild::connectNotify()
179 yp2::ZAssocServer::ZAssocServer(yazpp_1::IPDU_Observable *PDU_Observable,
180 yp2::ThreadPoolSocketObserver *thread_pool_observer,
181 const yp2::Package *package)
182 : Z_Assoc(PDU_Observable)
184 m_thread_pool_observer = thread_pool_observer;
189 yazpp_1::IPDU_Observer *yp2::ZAssocServer::sessionNotify(yazpp_1::IPDU_Observable
190 *the_PDU_Observable, int fd)
192 yp2::ZAssocChild *my =
193 new yp2::ZAssocChild(the_PDU_Observable, m_thread_pool_observer,
198 yp2::ZAssocServer::~ZAssocServer()
202 void yp2::ZAssocServer::recv_GDU(Z_GDU *apdu, int len)
206 void yp2::ZAssocServer::failNotify()
210 void yp2::ZAssocServer::timeoutNotify()
214 void yp2::ZAssocServer::connectNotify()
218 yp2::filter::FrontendNet::FrontendNet()
221 m_listen_duration = 0;
225 bool yp2::My_Timer_Thread::timeout()
230 yp2::My_Timer_Thread::My_Timer_Thread(yazpp_1::ISocketObservable *obs,
232 m_obs(obs), m_pipe(9123), m_timeout(false)
234 obs->addObserver(m_pipe.read_fd(), this);
235 obs->maskObserver(this, yazpp_1::SOCKET_OBSERVE_READ);
236 obs->timeoutObserver(this, duration);
239 void yp2::My_Timer_Thread::socketNotify(int event)
242 m_obs->deleteObserver(this);
245 void yp2::filter::FrontendNet::process(Package &package) const {
246 if (m_ports.size() == 0)
249 yazpp_1::SocketManager mySocketManager;
251 My_Timer_Thread *tt = 0;
252 if (m_listen_duration)
253 tt = new My_Timer_Thread(&mySocketManager, m_listen_duration);
255 ThreadPoolSocketObserver threadPool(&mySocketManager, m_no_threads);
257 yp2::ZAssocServer **az = new yp2::ZAssocServer *[m_ports.size()];
259 // Create yp2::ZAssocServer for each port
261 for (i = 0; i<m_ports.size(); i++)
263 // create a PDU assoc object (one per yp2::ZAssocServer)
264 yazpp_1::PDU_Assoc *as = new yazpp_1::PDU_Assoc(&mySocketManager);
266 // create ZAssoc with PDU Assoc
267 az[i] = new yp2::ZAssocServer(as, &threadPool, &package);
268 az[i]->server(m_ports[i].c_str());
270 while (mySocketManager.processEvent() > 0)
272 if (tt && tt->timeout())
275 for (i = 0; i<m_ports.size(); i++)
282 void yp2::filter::FrontendNet::configure(const xmlNode * ptr)
284 if (!ptr || !ptr->children)
286 throw yp2::filter::FilterException("No ports for Frontend");
288 std::vector<std::string> ports;
289 for (ptr = ptr->children; ptr; ptr = ptr->next)
291 if (ptr->type == XML_ELEMENT_NODE)
293 if (!strcmp((const char *) ptr->name, "port"))
295 std::string port = yp2::xml::get_text(ptr);
296 ports.push_back(port);
301 throw yp2::filter::FilterException("Bad element "
302 + std::string((const char *)
310 std::vector<std::string> &yp2::filter::FrontendNet::ports()
315 int &yp2::filter::FrontendNet::listen_duration()
317 return m_listen_duration;
320 static yp2::filter::Base* filter_creator()
322 return new yp2::filter::FrontendNet;
326 struct yp2_filter_struct yp2_filter_frontend_net = {
336 * indent-tabs-mode: nil
337 * c-file-style: "stroustrup"
339 * vim: shiftwidth=4 tabstop=8 expandtab