Server/src/plant.cpp

   1 // vim: set noexpandtab tabstop=4 shiftwidth=4:
   2 //----------------------------------------------------------------------------
   3 //                                  PlaQui
   4 //----------------------------------------------------------------------------
   5 // This file is part of PlaQui.
   6 //
   7 // PlaQui is free software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the Free Software
   9 // Foundation; either version 2 of the License, or (at your option) any later
  10 // version.
  11 //
  12 // PlaQui is distributed in the hope that it will be useful, but WITHOUT ANY
  13 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  14 // FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
  15 // details.
  16 //
  17 // You should have received a copy of the GNU General Public License along
  18 // with PlaQui; if not, write to the Free Software Foundation, Inc., 59 Temple
  19 // Place, Suite 330, Boston, MA  02111-1307  USA
  20 //----------------------------------------------------------------------------
  21 // Creado:  dom nov 16 13:03:33 ART 2003
  22 // Autores: Leandro Lucarella <llucare@fi.uba.ar>
  23 //----------------------------------------------------------------------------
  24 //
  25 // $Id$
  26 //
  27
  28 #include "plaqui/server/plant.h"
  29 #include <glibmm/timer.h>
  30 #include <sigc++/slot.h>
  31 #include <fstream>
  32 #ifdef DEBUG
  33 #       include <iostream>
  34 #endif // DEBUG
  35
  36 using namespace std;
  37
  38 namespace PlaQui {
  39
  40 namespace Server {
  41
  42 Plant::~Plant(void) {
  43 #ifdef DEBUG
  44         cerr << __FILE__ << "(" << __LINE__ << ")"
  45                 << ": destructor." << endl;
  46 #endif // DEBUG
  47         // Termino transmisiones.
  48         Glib::Mutex::Lock lock(transmissions_mutex);
  49         for (TransmitterList::iterator trans = transmissions.end();
  50                         trans != transmissions.end(); trans++) {
  51                 (*trans)->finish(true);
  52         }
  53 }
  54
  55 Plant::Plant(const string& filename): simulator(filename), filename(filename) {
  56 #ifdef DEBUG
  57         cerr << __FILE__ << "(" << __LINE__ << ")"
  58                 << ": constructor. filename = " << filename << endl;
  59 #endif // DEBUG
  60         // TODO plant
  61 /*      simulator.add_pump("bomba1");
  62         simulator.add_conduct("c");
  63         simulator.add_conduct("c1");
  64         simulator.add_drainage("d");
  65         simulator.add_tank("tanque");
  66
  67         simulator.connect("bomba1", "c", Model::IConector::OUT);
  68         simulator.connect("c", "tanque", Model::IConector::OUT);
  69         simulator.connect("tanque", "c1", Model::IConector::OUT);
  70         simulator.connect("c1", "d", Model::IConector::OUT);
  71 */
  72 }
  73
  74 void Plant::real_run(void) {
  75 #ifdef DEBUG
  76         cerr << __FILE__ << "(" << __LINE__ << ")"
  77                 << ": real_run." << endl;
  78 #endif // DEBUG
  79         while (!stop) {
  80                 simulator_mutex.lock();
  81                 simulator.simulate();
  82                 simulator_mutex.unlock();
  83                 transmissions_mutex.lock();
  84                 for (TransmitterList::iterator i = transmissions.begin();
  85                                 i != transmissions.end(); i++) {
  86                         (*i)->send(simulator.get_state_as_xml());
  87                 }
  88                 transmissions_mutex.unlock();
  89                 Glib::usleep(1000000);
  90         }
  91 }
  92
  93 bool Plant::transmission_start(string& host, Connection::Port& port) {
  94 #ifdef DEBUG
  95                 cerr << __FILE__ << "(" << __LINE__ << ")"
  96                         << ": transmission_start(host = " << host <<
  97                         ", port = " << port << ")." << endl;
  98 #endif // DEBUG
  99         Glib::Mutex::Lock lock(transmissions_mutex);
 100         for (TransmitterList::iterator i = transmissions.begin();
 101                         i != transmissions.end(); i++) {
 102                 if (((*i)->get_host() == host) && ((*i)->get_port() == port)) {
 103 #ifdef DEBUG
 104                         cerr << __FILE__ << "(" << __LINE__ << ")"
 105                                 << ": transmission_start ERROR: ya existe."
 106                                 << endl;
 107 #endif // DEBUG
 108                         return false;
 109                 }
 110         }
 111         Transmitter* trans;
 112         try {
 113                 trans = new Transmitter(host, port);
 114         } catch (const sockerr& e) { // TODO - Hace mas selectivo el catch?
 115 #ifdef DEBUG
 116                 cerr << __FILE__ << "(" << __LINE__ << ")"
 117                         << ": transmission_start ERROR (" << e.serrno()
 118                         << "): " << e.errstr() << endl;
 119 #endif // DEBUG
 120                 //delete trans;
 121                 return false;
 122 //      } catch (...) { // TODO - Hace mas selectivo el catch?
 123 //#ifdef DEBUG
 124 //              cerr << __FILE__ << "(" << __LINE__ << ")"
 125 //                      << ": transmission_start ERROR: desconocido."
 126 //                      << endl;
 127 //#endif // DEBUG
 128 //              //delete trans;
 129 //              return false;
 130         }
 131         transmissions.push_back(trans);
 132         trans->run();
 133         host = trans->get_host();
 134         port = trans->get_port();
 135         return true;
 136 }
 137
 138 bool Plant::transmission_stop(const string& host,
 139                 const Connection::Port& port) {
 140 #ifdef DEBUG
 141                 cerr << __FILE__ << "(" << __LINE__ << ")"
 142                         << ": transmission_stop(host = " << host <<
 143                         ", port = " << port << ")." << endl;
 144 #endif // DEBUG
 145         Glib::Mutex::Lock lock(transmissions_mutex);
 146         for (TransmitterList::iterator i = transmissions.begin();
 147                         i != transmissions.end(); i++) {
 148                 if (((*i)->get_host() == host) && ((*i)->get_port() == port)) {
 149                         (*i)->finish();
 150                         return true;
 151                 }
 152         }
 153         return false; // No la encontró.
 154 }
 155
 156 bool Plant::set_open(const std::string& element, bool open) {
 157 #ifdef DEBUG
 158                 cerr << __FILE__ << "(" << __LINE__ << ")"
 159                         << ": set_open(element = " << element <<
 160                         ", open = " << open << ")." << endl;
 161 #endif // DEBUG
 162         Glib::Mutex::Lock lock(simulator_mutex);
 163         return simulator.set_open(element, open);
 164 }
 165
 166 const string Plant::get_xml(void) const {
 167 #ifdef DEBUG
 168                 cerr << __FILE__ << "(" << __LINE__ << ")"
 169                         << ": get_xml()." << endl;
 170 #endif // DEBUG
 171         ostringstream oss;
 172         ifstream ifs(filename.c_str());
 173         ifs >> oss.rdbuf();
 174         return oss.str();
 175 }
 176
 177 /*
 178 bool Plant::transmission_exists(const string& host,
 179                 const Connection::Port& port) {
 180         Glib::Mutex::Lock lock(transmissions_mutex);
 181         for (TransmitterList::const_iterator i = transmissions.begin();
 182                         i != transmissions.end(); i++) {
 183                 if (((*i)->get_host() == host) && ((*i)->get_oprt() == port)) {
 184                         return true;
 185                 }
 186         }
 187         return false; // No la encontró.
 188 }
 189 */
 190
 191 //const std::string& Plant::get_filename(void) const {
 192 //      return filename;
 193 //}
 194
 195 /// \todo FIXME esto deberia estar protegido por un mutex.
 196 //Plant::SignalUpdated& Plant::signal_updated(void) {
 197 //      return updated;
 198 //}
 199
 200 } // namespace Server
 201
 202 } // namespace PlaQui
 203