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[modules/kernel.git] / src / Container / SALOME_ContainerPy.py
index d2b30bfa89753151c0c7ce34504d0f547de7d3f9..d9a09cd490250a03162843427d20a147619eb551 100755 (executable)
@@ -1,57 +1,55 @@
 #! /usr/bin/env python
+#  -*- coding: iso-8859-1 -*-
+#  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
 #
-#  SALOME Container : implementation of container and engine for Kernel
+#  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+#  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+#
+#  This library is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU Lesser General Public
+#  License as published by the Free Software Foundation; either
+#  version 2.1 of the License.
 #
-#  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-#  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS 
-# 
-#  This library is free software; you can redistribute it and/or 
-#  modify it under the terms of the GNU Lesser General Public 
-#  License as published by the Free Software Foundation; either 
-#  version 2.1 of the License. 
-# 
-#  This library is distributed in the hope that it will be useful, 
-#  but WITHOUT ANY WARRANTY; without even the implied warranty of 
-#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
-#  Lesser General Public License for more details. 
-# 
-#  You should have received a copy of the GNU Lesser General Public 
-#  License along with this library; if not, write to the Free Software 
-#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA 
-# 
-#  See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org 
+#  This library is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+#  Lesser General Public License for more details.
 #
+#  You should have received a copy of the GNU Lesser General Public
+#  License along with this library; if not, write to the Free Software
+#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 #
+#  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
 #
+#  SALOME Container : implementation of container and engine for Kernel
 #  File   : SALOME_ContainerPy.py
 #  Author : Paul RASCLE, EDF
 #  Module : SALOME
 #  $Header$
-
+#
 import os
 import sys
 import string
+
 from omniORB import CORBA, PortableServer
-# import SALOMEDS before other SALOME modules
-# (if not, incomplete import done by SALOME module: no load of SALOMEDS_attributes)
 import SALOMEDS 
 import Engines, Engines__POA
-reload(Engines)
-reload(Engines__POA)
 from SALOME_NamingServicePy import *
 from SALOME_ComponentPy import *
 
 from SALOME_utilities import *
 from Utils_Identity import getShortHostName
+from launchConfigureParser import verbose
 
 #=============================================================================
 
-#define an implementation of the container interface
+#define an implementation of the container interface for the container implemented in Python
 
 class SALOME_ContainerPy_i (Engines__POA.Container):
     _orb = None
     _poa = None
     _numInstance = 0
+    _listInstances_map = {}
 
     #-------------------------------------------------------------------------
 
@@ -59,12 +57,13 @@ class SALOME_ContainerPy_i (Engines__POA.Container):
         MESSAGE( "SALOME_ContainerPy_i::__init__" )
         self._orb = orb
         self._poa = poa
-        self._containerName = containerName
-
         myMachine=getShortHostName()
+        Container_path = "/Containers/" + myMachine + "/" + containerName
+        self._containerName = Container_path
+        if verbose(): print "container name ",self._containerName
+
         naming_service = SALOME_NamingServicePy_i(self._orb)
         self._naming_service = naming_service
-        Container_path = "/Containers/" + myMachine + "/" + self._containerName
         MESSAGE( str(Container_path) )
         naming_service.Register(self._this(), Container_path)
             
@@ -140,10 +139,10 @@ class SALOME_ContainerPy_i (Engines__POA.Container):
         self._numInstance = self._numInstance +1
         instanceName = nameToRegister + "_inst_" + `self._numInstance`
 
-       component=__import__(componentName)
-       factory=getattr(component,componentName)
-       comp_i=factory(self._orb, self._poa, self._this(), self._containerName,
-                      instanceName, nameToRegister)
+        component=__import__(componentName)
+        factory=getattr(component,componentName)
+        comp_i=factory(self._orb, self._poa, self._this(), self._containerName,
+                       instanceName, nameToRegister)
 
         MESSAGE( "SALOME_ContainerPy_i::instance : component created")
         comp_o = comp_i._this()
@@ -164,11 +163,86 @@ class SALOME_ContainerPy_i (Engines__POA.Container):
         comp_o = comp_i._this()
         return comp_o
     
+    #-------------------------------------------------------------------------
+    
+    def import_component(self, componentName):
+        MESSAGE( "SALOME_Container_i::import_component" )
+        ret=0
+        try:
+            if verbose(): print "try import ",componentName
+            module=__import__(componentName)
+            if verbose(): print "import ",componentName," successful"
+            ret=1
+        except:
+            import traceback
+            traceback.print_exc()
+            print "import ",componentName," not possible"
+        return ret
+
+    #-------------------------------------------------------------------------
+
+    def load_component_Library(self, componentName):
+        MESSAGE(  "SALOME_ContainerPy_i::load_component_Library " + str(componentName) )
+        ret = 0
+        instanceName = componentName + "_inst_" + `self._numInstance`
+        interfaceName = componentName
+        return self.import_component(componentName)
+    
+    #-------------------------------------------------------------------------
+
+    def create_component_instance(self, componentName, studyId):
+        MESSAGE( "SALOME_ContainerPy_i::create_component_instance ==> " + str(componentName) + ' ' + str(studyId) )
+        if studyId < 0:
+            MESSAGE( "Study ID is lower than 0!" )
+            return None
+        else:
+            self._numInstance = self._numInstance +1
+            instanceName = componentName + "_inst_" + `self._numInstance`
+            comp_iors=""
+            try:
+                component=__import__(componentName)
+                factory=getattr(component,componentName)
+                comp_i=factory(self._orb,
+                               self._poa,
+                               self._this(),
+                               self._containerName,
+                               instanceName,
+                               componentName)
+                
+                MESSAGE( "SALOME_Container_i::create_component_instance : OK")
+                comp_o = comp_i._this()
+                self._listInstances_map[instanceName] = comp_i
+            except:
+                import traceback
+                traceback.print_exc()
+                MESSAGE( "SALOME_Container_i::create_component_instance : NOT OK")
+            return comp_o
+
+    #-------------------------------------------------------------------------
+
+    def find_component_instance(self, registeredName, studyId):
+        anEngine = None
+        keysList = self._listInstances_map.keys()
+        i = 0
+        while i < len(keysList):
+            instance = keysList[i]
+            if find(instance,registeredName) == 0:
+                anEngine = self._listInstances_map[instance]
+                if studyId == anEngine.getStudyId():
+                    return anEngine._this()
+            i = i + 1
+        return anEngine._this()
+        
+        
     #-------------------------------------------------------------------------
 
     def remove_impl(self, component):
         MESSAGE( "SALOME_ContainerPy_i::remove_impl" )
-        return None
+        instanceName = component._get_instanceName()
+        MESSAGE( "unload component " + str(instanceName) )
+        self._listInstances_map.remove(instanceName)
+        component.destroy()
+        self._naming_service.Destroy_Name(str(instanceName))
 
     #-------------------------------------------------------------------------
 
@@ -179,17 +253,29 @@ class SALOME_ContainerPy_i (Engines__POA.Container):
     #-------------------------------------------------------------------------
 
     def ping(self):
-        MESSAGE( "SALOME_ContainerPy_i::ping" )
+        MESSAGE( "SALOME_ContainerPy_i::ping() pid " + str(os.getpid()) )
         return None
 
     #-------------------------------------------------------------------------
 
+    def getPID(self):
+        return os.getpid()
+
+    #-------------------------------------------------------------------------
+
     def _get_name(self):
         MESSAGE( "SALOME_ContainerPy_i::_get_name" )
         return self._containerName
 
     #-------------------------------------------------------------------------
 
+    def getHostName(self):
+        MESSAGE( "SALOME_ContainerPy_i::_get_MachineName" )
+        self._machineName = "localhost"
+        return self._machineName
+
+    #-------------------------------------------------------------------------
+    
     def _get_machineName(self):
         MESSAGE( "SALOME_ContainerPy_i::_get_MachineName" )
         self._machineName = "localhost"
@@ -198,31 +284,44 @@ class SALOME_ContainerPy_i (Engines__POA.Container):
     #-------------------------------------------------------------------------
 
     def Shutdown(self):
+        self._naming_service.Destroy_Name(self._containerName);
+        self._naming_service.Destroy_FullDirectory(self._containerName);
         self._orb.shutdown(0)
         pass
 
-#=============================================================================
-
-#initialise the ORB and find the root POA
-orb = CORBA.ORB_init(sys.argv, CORBA.ORB_ID)
-poa = orb.resolve_initial_references("RootPOA")
-
-#create an instance of SALOME_ContainerPy_i and a Container reference
-#containerName = "FactoryServerPy"
-MESSAGE( str(sys.argv) )
-containerName = sys.argv[1]
-cpy_i = SALOME_ContainerPy_i(orb, poa, containerName)
-cpy_o = cpy_i._this()
-
-#activate the POA
-poaManager = poa._get_the_POAManager()
-poaManager.activate()
-
-#Block for ever
-orb.run()
-
-
-        
-            
+    def _get_logfilename(self):
+      return self._logfilename
+    def _set_logfilename(self,logfilename):
+      self._logfilename=logfilename
+    def _get_workingdir(self):
+      return os.getcwd()
 
+#=============================================================================
 
+if __name__ == "__main__":
+  # change the stdout buffering to line buffering (same as C++ cout buffering)
+  sys.stdout=os.fdopen(1,"w",1)
+  #initialise the ORB and find the root POA
+  if verbose():print "Starting ",sys.argv[1]
+  orb = CORBA.ORB_init(sys.argv, CORBA.ORB_ID)
+  poa = orb.resolve_initial_references("RootPOA")
+  if verbose():print "ORB and POA initialized"
+
+  #create an instance of SALOME_ContainerPy_i and a Container reference
+  #containerName = "FactoryServerPy"
+  MESSAGE( str(sys.argv) )
+  containerName = sys.argv[1]
+  cpy_i = SALOME_ContainerPy_i(orb, poa, containerName)
+  if verbose():print "SALOME_ContainerPy_i instance created ",cpy_i 
+  cpy_o = cpy_i._this()
+  if verbose():print "SALOME_ContainerPy_i instance activated ",cpy_o
+  sys.stdout.flush()
+  sys.stderr.flush()
+
+  #activate the POA
+  poaManager = poa._get_the_POAManager()
+  poaManager.activate()
+
+  #Block for ever
+  orb.run()
+  if verbose():print "SALOME_ContainerPy_i shutdown"