1 /* $Id: filter_frontend_net.cpp,v 1.17 2006-03-29 13:44:45 adam Exp $
2 Copyright (c) 2005-2006, Index Data.
11 #include "package.hpp"
12 #include "thread_pool_observer.hpp"
13 #include "filter_frontend_net.hpp"
14 #include <yazpp/z-assoc.h>
15 #include <yazpp/pdu-assoc.h>
16 #include <yazpp/socket-manager.h>
21 namespace mp = metaproxy_1;
23 namespace metaproxy_1 {
25 class FrontendNet::Rep {
26 friend class FrontendNet;
28 std::vector<std::string> m_ports;
29 int m_listen_duration;
32 class My_Timer_Thread : public yazpp_1::ISocketObserver {
34 yazpp_1::ISocketObservable *m_obs;
38 My_Timer_Thread(yazpp_1::ISocketObservable *obs, int duration);
39 void socketNotify(int event);
42 class ZAssocChild : public yazpp_1::Z_Assoc {
45 ZAssocChild(yazpp_1::IPDU_Observable *the_PDU_Observable,
46 mp::ThreadPoolSocketObserver *m_thread_pool_observer,
47 const mp::Package *package);
50 yazpp_1::IPDU_Observer* sessionNotify(
51 yazpp_1::IPDU_Observable *the_PDU_Observable,
53 void recv_GDU(Z_GDU *apdu, int len);
59 mp::ThreadPoolSocketObserver *m_thread_pool_observer;
60 mp::Session m_session;
63 const mp::Package *m_package;
65 class ThreadPoolPackage : public mp::IThreadPoolMsg {
67 ThreadPoolPackage(mp::Package *package, mp::ZAssocChild *ses) :
68 m_session(ses), m_package(package) { };
70 IThreadPoolMsg *handle();
74 mp::ZAssocChild *m_session;
75 mp::Package *m_package;
78 class ZAssocServer : public yazpp_1::Z_Assoc {
81 ZAssocServer(yazpp_1::IPDU_Observable *PDU_Observable,
82 mp::ThreadPoolSocketObserver *m_thread_pool_observer,
83 const mp::Package *package);
85 yazpp_1::IPDU_Observer* sessionNotify(
86 yazpp_1::IPDU_Observable *the_PDU_Observable,
88 void recv_GDU(Z_GDU *apdu, int len);
94 mp::ThreadPoolSocketObserver *m_thread_pool_observer;
95 const mp::Package *m_package;
99 mp::ThreadPoolPackage::~ThreadPoolPackage()
104 void mp::ThreadPoolPackage::result()
106 m_session->m_no_requests--;
108 yazpp_1::GDU *gdu = &m_package->response();
112 m_session->send_GDU(gdu->get(), &len);
114 if (m_session->m_no_requests == 0 && m_package->session().is_closed())
119 mp::IThreadPoolMsg *mp::ThreadPoolPackage::handle()
126 mp::ZAssocChild::ZAssocChild(yazpp_1::IPDU_Observable *PDU_Observable,
127 mp::ThreadPoolSocketObserver *my_thread_pool,
128 const mp::Package *package)
129 : Z_Assoc(PDU_Observable)
131 m_thread_pool_observer = my_thread_pool;
133 m_delete_flag = false;
138 yazpp_1::IPDU_Observer *mp::ZAssocChild::sessionNotify(yazpp_1::IPDU_Observable
139 *the_PDU_Observable, int fd)
144 mp::ZAssocChild::~ZAssocChild()
148 void mp::ZAssocChild::recv_GDU(Z_GDU *z_pdu, int len)
152 mp::Package *p = new mp::Package(m_session, m_origin);
154 mp::ThreadPoolPackage *tp = new mp::ThreadPoolPackage(p, this);
155 p->copy_filter(*m_package);
156 p->request() = yazpp_1::GDU(z_pdu);
157 m_thread_pool_observer->put(tp);
160 void mp::ZAssocChild::failNotify()
162 // TODO: send Package to signal "close"
163 if (m_session.is_closed())
169 mp::Package *p = new mp::Package(m_session, m_origin);
171 mp::ThreadPoolPackage *tp = new mp::ThreadPoolPackage(p, this);
172 p->copy_filter(*m_package);
173 m_thread_pool_observer->put(tp);
176 void mp::ZAssocChild::timeoutNotify()
181 void mp::ZAssocChild::connectNotify()
186 mp::ZAssocServer::ZAssocServer(yazpp_1::IPDU_Observable *PDU_Observable,
187 mp::ThreadPoolSocketObserver *thread_pool_observer,
188 const mp::Package *package)
189 : Z_Assoc(PDU_Observable)
191 m_thread_pool_observer = thread_pool_observer;
196 yazpp_1::IPDU_Observer *mp::ZAssocServer::sessionNotify(yazpp_1::IPDU_Observable
197 *the_PDU_Observable, int fd)
199 mp::ZAssocChild *my =
200 new mp::ZAssocChild(the_PDU_Observable, m_thread_pool_observer,
205 mp::ZAssocServer::~ZAssocServer()
209 void mp::ZAssocServer::recv_GDU(Z_GDU *apdu, int len)
213 void mp::ZAssocServer::failNotify()
217 void mp::ZAssocServer::timeoutNotify()
221 void mp::ZAssocServer::connectNotify()
225 mp::filter::FrontendNet::FrontendNet() : m_p(new Rep)
227 m_p->m_no_threads = 5;
228 m_p->m_listen_duration = 0;
231 mp::filter::FrontendNet::~FrontendNet()
235 bool mp::My_Timer_Thread::timeout()
240 mp::My_Timer_Thread::My_Timer_Thread(yazpp_1::ISocketObservable *obs,
242 m_obs(obs), m_pipe(9123), m_timeout(false)
244 obs->addObserver(m_pipe.read_fd(), this);
245 obs->maskObserver(this, yazpp_1::SOCKET_OBSERVE_READ);
246 obs->timeoutObserver(this, duration);
249 void mp::My_Timer_Thread::socketNotify(int event)
252 m_obs->deleteObserver(this);
255 void mp::filter::FrontendNet::process(Package &package) const
257 if (m_p->m_ports.size() == 0)
260 yazpp_1::SocketManager mySocketManager;
262 My_Timer_Thread *tt = 0;
263 if (m_p->m_listen_duration)
264 tt = new My_Timer_Thread(&mySocketManager, m_p->m_listen_duration);
266 ThreadPoolSocketObserver threadPool(&mySocketManager, m_p->m_no_threads);
268 mp::ZAssocServer **az = new mp::ZAssocServer *[m_p->m_ports.size()];
270 // Create mp::ZAssocServer for each port
272 for (i = 0; i<m_p->m_ports.size(); i++)
274 // create a PDU assoc object (one per mp::ZAssocServer)
275 yazpp_1::PDU_Assoc *as = new yazpp_1::PDU_Assoc(&mySocketManager);
277 // create ZAssoc with PDU Assoc
278 az[i] = new mp::ZAssocServer(as, &threadPool, &package);
279 az[i]->server(m_p->m_ports[i].c_str());
281 while (mySocketManager.processEvent() > 0)
283 if (tt && tt->timeout())
286 for (i = 0; i<m_p->m_ports.size(); i++)
293 void mp::filter::FrontendNet::configure(const xmlNode * ptr)
295 if (!ptr || !ptr->children)
297 throw mp::filter::FilterException("No ports for Frontend");
299 std::vector<std::string> ports;
300 for (ptr = ptr->children; ptr; ptr = ptr->next)
302 if (ptr->type != XML_ELEMENT_NODE)
304 if (!strcmp((const char *) ptr->name, "port"))
306 std::string port = mp::xml::get_text(ptr);
307 ports.push_back(port);
310 else if (!strcmp((const char *) ptr->name, "threads"))
312 std::string threads_str = mp::xml::get_text(ptr);
313 int threads = atoi(threads_str.c_str());
315 throw mp::filter::FilterException("Bad value for threads: "
317 m_p->m_no_threads = threads;
321 throw mp::filter::FilterException("Bad element "
322 + std::string((const char *)
326 m_p->m_ports = ports;
329 std::vector<std::string> &mp::filter::FrontendNet::ports()
334 int &mp::filter::FrontendNet::listen_duration()
336 return m_p->m_listen_duration;
339 static mp::filter::Base* filter_creator()
341 return new mp::filter::FrontendNet;
345 struct metaproxy_1_filter_struct metaproxy_1_filter_frontend_net = {
355 * indent-tabs-mode: nil
356 * c-file-style: "stroustrup"
358 * vim: shiftwidth=4 tabstop=8 expandtab