src/DSC/DSC_Basic/ConnectionManager_i.cxx

   1 //  Copyright (C) 2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   2 //  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   3 //
   4 //  This library is free software; you can redistribute it and/or
   5 //  modify it under the terms of the GNU Lesser General Public
   6 //  License as published by the Free Software Foundation; either
   7 //  version 2.1 of the License.
   8 //
   9 //  This library is distributed in the hope that it will be useful,
  10 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 //  Lesser General Public License for more details.
  13 //
  14 //  You should have received a copy of the GNU Lesser General Public
  15 //  License along with this library; if not, write to the Free Software
  16 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  17 //
  18 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  19 //
  20 //
  21 //
  22 //  File   : ConnectionManager_i.cxx
  23 //  Author : André RIBES (EDF)
  24 //  Module : KERNEL
  25
  26 #include "ConnectionManager_i.hxx"
  27 #include "SALOME_NamingService.hxx"
  28
  29 ConnectionManager_i::ConnectionManager_i(CORBA::ORB_ptr orb) {
  30   SALOME_NamingService * ns = new SALOME_NamingService(orb);
  31   const char * ConnectionManagerNameInNS = "/ConnectionManager";
  32   ns->Register(_this(), ConnectionManagerNameInNS);
  33
  34   current_id = 0;
  35   pthread_mutex_init(&mutex, NULL);
  36 }
  37
  38 ConnectionManager_i::~ConnectionManager_i() {}
  39
  40 Engines::ConnectionManager::connectionId
  41 ConnectionManager_i::connect(Engines::DSC_ptr uses_component,
  42                              const char* uses_port_name,
  43                              Engines::DSC_ptr provides_component,
  44                              const char* provides_port_name)
  45 throw (Engines::DSC::PortNotDefined,
  46        Engines::DSC::BadPortType,
  47        Engines::DSC::NilPort)
  48 {
  49
  50   Ports::Port_ptr p_port = provides_component->get_provides_port(provides_port_name, false);
  51   uses_component->connect_uses_port(uses_port_name, p_port);
  52   provides_component->connect_provides_port(provides_port_name);
  53
  54   // Creating a new connection id.
  55   // We use a mutex for multithreaded applications.
  56   pthread_mutex_lock(&mutex);
  57   Engines::ConnectionManager::connectionId rtn_id = current_id;
  58   current_id += 1;
  59   pthread_mutex_unlock(&mutex);
  60
  61   // Creating a new structure containing connection's infos.
  62   connection_infos * infos = new connection_infos();
  63   infos->uses_component = Engines::DSC::_duplicate(uses_component);
  64   infos->uses_port_name = uses_port_name;
  65   infos->provides_component = Engines::DSC::_duplicate(provides_component);
  66   infos->provides_port_name = provides_port_name;
  67   infos->provides_port = Ports::Port::_duplicate(p_port);
  68
  69   // Adding the new connection into the map.
  70   ids[rtn_id] = infos;
  71
  72   return rtn_id;
  73 }
  74
  75 void
  76 ConnectionManager_i::disconnect(Engines::ConnectionManager::connectionId id,
  77                                 Engines::DSC::Message message)
  78 throw (Engines::ConnectionManager::BadId)
  79 {
  80   // Connection id exist ?
  81   ids_it = ids.find(id);
  82   if (ids_it == ids.end())
  83     throw Engines::ConnectionManager::BadId();
  84
  85   // TODO
  86   // We need to catch exceptions if one of these disconnect operation fails.
  87   connection_infos * infos = ids[id];
  88   infos->provides_component->disconnect_provides_port(infos->provides_port_name.c_str(),
  89                                                       message);
  90   infos->uses_component->disconnect_uses_port(infos->uses_port_name.c_str(),
  91                                               Ports::Port::_duplicate(infos->provides_port),
  92                                               message);
  93   delete infos;
  94   ids.erase(id);
  95 }