Capturo las seniales ANSI C SIGINT, SIGTERM y SIGQUIT para que el server salga

[z.facultad/75.42/plaqui.git] / Server / src / plant.cpp

diff --git a/Server/src/plant.cpp b/Server/src/plant.cpp
index c56035cb6cd18aedbbfebc3168bd9a60399463f2..5704a88ddb16fefb9db741fdd6b3c6a9a201779c 100644 (file)
--- a/Server/src/plant.cpp
+++ b/Server/src/plant.cpp
@@ -27,7 +27,8 @@
 
 #include "plaqui/server/plant.h"
 #include <glibmm/timer.h>
-#include <sigc++/slot.h>
+#include <sigc++/class_slot.h>
+#include <fstream>
 #ifdef DEBUG
 #      include <iostream>
 #endif // DEBUG
@@ -40,19 +41,30 @@ namespace Server {
 
 Plant::~Plant(void) {
 #ifdef DEBUG
-       cerr << __FILE__ << ": destructor." << endl;
+       cerr << __FILE__ << "(" << __LINE__ << ")"
+               << ": destructor." << endl;
 #endif // DEBUG
-       // Termino transmisiones.
-       Glib::Mutex::Lock lock(transmissions_mutex);
-       for (TransmitterList::iterator trans = transmissions.end();
+       // Mando a terminar todas las transmisiones.
+       transmissions_mutex.lock();
+       for (TransmitterList::iterator trans = transmissions.begin();
                        trans != transmissions.end(); trans++) {
-               (*trans)->finish(true);
+               (*trans)->finish();
+       }
+       TransmitterList::size_type count = transmissions.size();
+       transmissions_mutex.unlock();
+       // Espero que terminen realmente.
+       while (count) {
+               Glib::usleep(10000); // 10 milisegundos
+               transmissions_mutex.lock();
+               count = transmissions.size();
+               transmissions_mutex.unlock();
        }
 }
 
-Plant::Plant(const string& filename): simulator(filename) {
+Plant::Plant(const string& filename): simulator(filename), filename(filename) {
 #ifdef DEBUG
-       cerr << __FILE__ << ": constructor. filename = " << filename << endl;
+       cerr << __FILE__ << "(" << __LINE__ << ")"
+               << ": constructor. filename = " << filename << endl;
 #endif // DEBUG
        // TODO plant
 /*     simulator.add_pump("bomba1");
@@ -68,44 +80,81 @@ Plant::Plant(const string& filename): simulator(filename) {
 */     
 }
 
-void Plant::real_run(void) {
+void Plant::real_run(void) throw() {
 #ifdef DEBUG
-       cerr << __FILE__ << ": real_run." << endl;
+       cerr << __FILE__ << "(" << __LINE__ << ")"
+               << ": real_run." << endl;
 #endif // DEBUG
-       while (!stop) {
+       while (!stop()) {
+               simulator_mutex.lock();
                simulator.simulate();
-               Glib::Mutex::Lock lock(transmissions_mutex);
+               string plantstatus = simulator.get_state_as_xml();
+               simulator_mutex.unlock();
+               transmissions_mutex.lock();
                for (TransmitterList::iterator i = transmissions.begin();
                                i != transmissions.end(); i++) {
-                       (*i)->send(simulator.get_state_as_xml());
+                       (*i)->send(plantstatus);
                }
-               Glib::usleep(1000000);
+               transmissions_mutex.unlock();
+               Glib::usleep(100000);
        }
 }
 
-bool Plant::transmission_start(const string& host,
-               const Connection::Port& port) {
+bool Plant::transmission_start(string& host, Connection::Port& port) {
+#ifdef DEBUG
+               cerr << __FILE__ << "(" << __LINE__ << ")"
+                       << ": transmission_start(host = " << host <<
+                       ", port = " << port << ")." << endl;
+#endif // DEBUG
        Glib::Mutex::Lock lock(transmissions_mutex);
        for (TransmitterList::iterator i = transmissions.begin();
                        i != transmissions.end(); i++) {
                if (((*i)->get_host() == host) && ((*i)->get_port() == port)) {
+#ifdef DEBUG
+                       cerr << __FILE__ << "(" << __LINE__ << ")"
+                               << ": transmission_start ERROR: ya existe."
+                               << endl;
+#endif // DEBUG
                        return false;
                }
        }
        Transmitter* trans;
        try {
                trans = new Transmitter(host, port);
-       } catch (...) { // TODO - Hace mas selectivo el catch?
-               delete trans;
+       } catch (const sockerr& e) { // TODO - Hace mas selectivo el catch?
+#ifdef DEBUG
+               cerr << __FILE__ << "(" << __LINE__ << ")"
+                       << ": transmission_start ERROR (" << e.serrno()
+                       << "): " << e.errstr() << endl;
+#endif // DEBUG
+               //delete trans;
                return false;
+//     } catch (...) { // TODO - Hace mas selectivo el catch?
+//#ifdef DEBUG
+//             cerr << __FILE__ << "(" << __LINE__ << ")"
+//                     << ": transmission_start ERROR: desconocido."
+//                     << endl;
+//#endif // DEBUG
+//             //delete trans;
+//             return false;
        }
        transmissions.push_back(trans);
+       trans->signal_finished().connect(SigC::bind(
+                               SigC::slot_class(*this, &Plant::on_transmission_finished),
+                               trans));
        trans->run();
+       host = trans->get_host();
+       port = trans->get_port();
        return true;
 }
 
 bool Plant::transmission_stop(const string& host,
                const Connection::Port& port) {
+#ifdef DEBUG
+       cerr << __FILE__ << "(" << __LINE__ << ")"
+               << ": transmission_stop(host = " << host <<
+               ", port = " << port << ")." << endl;
+#endif // DEBUG
        Glib::Mutex::Lock lock(transmissions_mutex);
        for (TransmitterList::iterator i = transmissions.begin();
                        i != transmissions.end(); i++) {
@@ -117,6 +166,45 @@ bool Plant::transmission_stop(const string& host,
        return false; // No la encontró.
 }
 
+void Plant::on_transmission_finished(Transmitter* transmission) {
+#ifdef DEBUG
+       cerr << __FILE__ << "(" << __LINE__ << ")"
+               <<  ": on_transmission_finished(transmission = "
+               << transmission << ")" << endl;
+#endif // DEBUG
+       Glib::Mutex::Lock lock(transmissions_mutex);
+       transmissions.remove(transmission);
+#ifdef DEBUG
+       cerr << __FILE__ << "(" << __LINE__ << ")"
+               <<  ": lista de conexiones" << endl;
+       for (TransmitterList::const_iterator i = transmissions.begin();
+                       i != transmissions.end(); i++) {
+               cerr << "\t " << *i << endl;
+       }
+#endif // DEBUG
+}
+
+bool Plant::set_open(const std::string& element, bool open) {
+#ifdef DEBUG
+               cerr << __FILE__ << "(" << __LINE__ << ")"
+                       << ": set_open(element = " << element <<
+                       ", open = " << open << ")." << endl;
+#endif // DEBUG
+       Glib::Mutex::Lock lock(simulator_mutex);
+       return simulator.set_open(element, open);
+}
+
+const string Plant::get_xml(void) const {
+#ifdef DEBUG
+               cerr << __FILE__ << "(" << __LINE__ << ")"
+                       << ": get_xml()." << endl;
+#endif // DEBUG
+       ostringstream oss;
+       ifstream ifs(filename.c_str());
+       ifs >> oss.rdbuf();
+       return oss.str();
+}
+
 /*
 bool Plant::transmission_exists(const string& host,
                const Connection::Port& port) {
@@ -131,8 +219,8 @@ bool Plant::transmission_exists(const string& host,
 }
 */
 
-//const std::string& Plant::get_name(void) const {
-//     return name;
+//const std::string& Plant::get_filename(void) const {
+//     return filename;
 //}
 
 /// \todo FIXME esto deberia estar protegido por un mutex.