src/Container/SALOME_ComponentPy.py

   1 #! /usr/bin/env python
   2 #  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
   3 #
   4 #  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   5 #  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   6 #
   7 #  This library is free software; you can redistribute it and/or
   8 #  modify it under the terms of the GNU Lesser General Public
   9 #  License as published by the Free Software Foundation; either
  10 #  version 2.1 of the License.
  11 #
  12 #  This library is distributed in the hope that it will be useful,
  13 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 #  Lesser General Public License for more details.
  16 #
  17 #  You should have received a copy of the GNU Lesser General Public
  18 #  License along with this library; if not, write to the Free Software
  19 #  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  20 #
  21 #  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  22 #
  23 #  SALOME Container : implementation of container and engine for Kernel
  24 #  File   : SALOME_ComponentPy.py
  25 #  Author : Paul RASCLE, EDF
  26 #  Module : SALOME
  27 #  $Header$
  28 #
  29 ## @package SALOME_ComponentPy
  30 # \brief python implementation of component interface for Kernel
  31 #
  32 #
  33
  34 import os
  35 import sys
  36 import time
  37 import string
  38 import signal
  39 from omniORB import CORBA, PortableServer, any
  40 import Engines, Engines__POA
  41 import Registry
  42 from Utils_Identity import *
  43 from SALOME_NamingServicePy import *
  44 from libNOTIFICATION import *
  45
  46 from SALOME_utilities import *
  47
  48 from thread import *
  49
  50 #=============================================================================
  51
  52 _Sleeping = 0
  53
  54 ## define an implementation of the component interface Engines::Component
  55 #
  56 #
  57 class SALOME_ComponentPy_i (Engines__POA.Component):
  58     _orb = None
  59     _poa = None
  60     _fieldsDict = []
  61     _studyId = -1
  62
  63     #-------------------------------------------------------------------------
  64
  65     def __init__ (self, orb, poa, contID, containerName,
  66                   instanceName, interfaceName, notif=0):
  67         # Notif for notification services
  68         # NOT YET IMPLEMENTED
  69         MESSAGE(  "SALOME_ComponentPy_i::__init__" + " " + str (containerName) + " " + str(instanceName) + " " + str(interfaceName) )
  70         self._orb = orb
  71         self._poa = poa
  72         self._instanceName = instanceName
  73         self._interfaceName = interfaceName
  74         self._containerName = containerName
  75         self._notif = notif
  76         self._myConnexionToRegistry = 0
  77         self._graphName = ''
  78         self._nodeName = ''
  79         self._serviceName = ''
  80         self._ThreadId = 0
  81         self._StartUsed = 0
  82         self._ThreadCpuUsed = 0
  83         self._Executed = 0
  84         self._contId = contID
  85
  86         naming_service = SALOME_NamingServicePy_i(self._orb)
  87         myMachine=getShortHostName()
  88         Component_path = self._containerName + "/" + self._instanceName
  89         MESSAGE(  'SALOME_ComponentPy_i Register' + str( Component_path ) )
  90         id_o = poa.activate_object(self)
  91         compo_o = poa.id_to_reference(id_o)
  92         naming_service.Register(compo_o, Component_path)
  93
  94         # Add componentinstance to registry
  95         obj = naming_service.Resolve('/Registry')
  96         if obj is None:
  97             MESSAGE(  "Registry Reference is invalid" )
  98         else:
  99             regist = obj._narrow(Registry.Components)
 100             if regist is None:
 101                 MESSAGE(  "Registry Reference is invalid" )
 102             else:
 103                 ior = orb.object_to_string(contID)
 104                 MESSAGE(  ior )
 105
 106                 lesInfos = Identity(self._instanceName)
 107                 infos = Registry.Infos(lesInfos._name,
 108                                        lesInfos._pid,
 109                                        lesInfos._machine,
 110                                        lesInfos._adip,
 111                                        lesInfos._uid,
 112                                        lesInfos._pwname,
 113                                        int(lesInfos._tc_start),
 114                                        0,0,0,
 115                                        lesInfos._cdir,
 116                                        -1,
 117                                        ior)
 118
 119                 res = regist.add(infos)
 120
 121         self._notifSupplier = NOTIFICATION_Supplier_Swig(instanceName, notif)
 122
 123     #-------------------------------------------------------------------------
 124
 125     def _get_instanceName(self):
 126         MESSAGE(  "SALOME_ComponentPy_i::_get_instanceName" )
 127         return self._instanceName
 128
 129     #-------------------------------------------------------------------------
 130
 131     def _get_interfaceName(self):
 132         MESSAGE(  "SALOME_ComponentPy_i::_get_interfaceName" )
 133         return self._interfaceName
 134
 135     #-------------------------------------------------------------------------
 136
 137     def ping(self):
 138         MESSAGE(  "SALOME_ComponentPy_i::ping() pid " + str(os.getpid()) )
 139
 140     #-------------------------------------------------------------------------
 141
 142     def setProperties(self, dico):
 143         self._fieldsDict = dico
 144
 145     #-------------------------------------------------------------------------
 146
 147     def getProperties(self):
 148         return self._fieldsDict
 149
 150     #-------------------------------------------------------------------------
 151
 152     def destroy(self):
 153         MESSAGE(  "SALOME_ComponentPy_i::destroy" )
 154         id = self._poa.servant_to_id(self)
 155         self._poa.deactivate_object(id)
 156         return
 157
 158     #-------------------------------------------------------------------------
 159
 160     def GetContainerRef(self):
 161         MESSAGE(  "SALOME_ComponentPy_i::GetContainerRef" )
 162         return self._contId._narrow(Engines.Container)
 163
 164     #-------------------------------------------------------------------------
 165
 166     def beginService(self , serviceName ):
 167         MESSAGE(  "Send BeginService notification for " + str(serviceName) + " for graph/node " + str(self._graphName) + " " + str(self._nodeName) )
 168         MESSAGE(  "Component instance : " + str ( self._instanceName ) )
 169         self._serviceName = str(serviceName)
 170         self._ThreadId = get_ident()
 171         self._StartUsed = 0
 172         self._StartUsed = self.CpuUsed_impl()
 173         self._ThreadCpuUsed = 0
 174         self._Executed = 1
 175         print "beginService for ",serviceName," Component instance : ",self._instanceName
 176         MESSAGE( "SALOME_ComponentPy_i::beginService _StartUsed " + str( self._ThreadId ) + " " + str( self._StartUsed ) )
 177         for e in self._fieldsDict:
 178           key=e.key
 179           value=any.from_any(e.value)
 180           if isinstance(value,str):
 181             os.environ[key]=value
 182
 183
 184     #-------------------------------------------------------------------------
 185
 186     def endService(self , serviceName ):
 187         MESSAGE(  "Send EndService notification for " + str( self._ThreadId ) + " " + str(serviceName) + " for graph/node " + str(self._graphName) + " " + str(self._nodeName) + " CpuUsed " + str( self.CpuUsed_impl() ) )
 188         MESSAGE(  "Component instance : " + str(self._instanceName) )
 189         print "endService for",serviceName,"Component instance :",self._instanceName,"Cpu Used:",self.CpuUsed_impl()," (s) "
 190
 191
 192     #-------------------------------------------------------------------------
 193
 194     def sendMessage(self , event_type , message ):
 195         self._notifSupplier.Send(self.graphName(), self.nodeName(), event_type, message)
 196
 197     #-------------------------------------------------------------------------
 198
 199     def Names(self , GraphName , NodeName ):
 200         MESSAGE(  "SALOME_ComponentPy_i::Names" + str(GraphName) + str(NodeName) )
 201         self._graphName = GraphName
 202         self._nodeName = NodeName
 203
 204     #-------------------------------------------------------------------------
 205
 206     def graphName(self):
 207         return self._graphName
 208
 209     #-------------------------------------------------------------------------
 210
 211     def nodeName(self):
 212         return self._nodeName
 213
 214     #-------------------------------------------------------------------------
 215
 216     def Killer(self, ThreadId, signum):
 217         #if ThreadId > 0:
 218             #if signum == 0:
 219                 #if pthread_cancel(ThreadId): <- from C++
 220                 #   return 0
 221                 #else:
 222                 #   MESSAGE()
 223             #else:
 224                 #if pthread_kill(ThreadId): <- from C++
 225                 #   return 0
 226                 #else:
 227                 #   MESSAGE()
 228         return 1
 229
 230     #-------------------------------------------------------------------------
 231
 232     def Kill_impl(self):
 233         MESSAGE(  "SALOME_ComponentPy_i::Kill_impl" )
 234         RetVal = 0
 235         if self._ThreadId > 0 & self._ThreadId != get_ident():
 236             RetVal = Killer(self._ThreadId,0)
 237             self._ThreadId = 0
 238         return RetVal
 239
 240     #-------------------------------------------------------------------------
 241
 242     def Stop_impl(self):
 243         MESSAGE(  "SALOME_ComponentPy_i::Stop_impl" )
 244         RetVal = 0
 245         if self._ThreadId > 0 & self._ThreadId != get_ident():
 246             RetVal = Killer(self._ThreadId,0)
 247             self._ThreadId = 0
 248         return RetVal
 249
 250     #-------------------------------------------------------------------------
 251
 252     def Suspend_impl(self):
 253         MESSAGE(  "SALOME_ComponentPy_i::Suspend_impl" )
 254         global _Sleeping
 255         RetVal = 0
 256         if self._ThreadId > 0 & self._ThreadId != get_ident():
 257             if _Sleeping > 0:
 258                 return 0
 259             else:
 260                 RetVal = Killer(self._ThreadId, signal.SIGINT)
 261                 if RetVal > 0:
 262                     _Sleeping = 1
 263         return RetVal
 264
 265     #-------------------------------------------------------------------------
 266
 267     def Resume_impl(self):
 268         MESSAGE(  "SALOME_ComponentPy_i::Resume_impl" )
 269         global _Sleeping
 270         RetVal = 0
 271         if self._ThreadId > 0 & self._ThreadId != get_ident():
 272             if _Sleeping > 0:
 273                 _Sleeping = 0
 274                 RetVal = 1
 275             else:
 276                 RetVal = 0
 277         return RetVal
 278
 279     #-------------------------------------------------------------------------
 280
 281     def CpuUsed_impl(self):
 282         if ( self._ThreadId | self._Executed ) :
 283             if self._ThreadId == get_ident() :
 284                 cpu = time.clock()
 285                 self._ThreadCpuUsed = cpu - self._StartUsed
 286                 MESSAGE( "SALOME_ComponentPy_i::CpuUsed_impl " + self._serviceName + " " + str( int(cpu) ) + " - " + str( self._StartUsed ) + " = " + str( self._ThreadCpuUsed ) )
 287                 return self._ThreadCpuUsed
 288             MESSAGE( "SALOME_ComponentPy_i::CpuUsed_impl " + self._serviceName + " " + str( self._ThreadCpuUsed ) )
 289             return self._ThreadCpuUsed
 290         MESSAGE( "SALOME_ComponentPy_i::CpuUsed_impl self._StartUsed " + self._serviceName + " " + str(self._StartUsed) )
 291         return 0
 292
 293     #-------------------------------------------------------------------------
 294
 295     def DumpPython(self, theStudy, isPublished):
 296         aBuffer = "def RebuildData(theStudy): pass\n\0"
 297         return (aBuffer, 1)
 298
 299     #-------------------------------------------------------------------------
 300
 301     def getStudyId(self):
 302         return self._studyId
 303
 304     #-------------------------------------------------------------------------
 305
 306     def hasObjectInfo(self):
 307         return 0
 308
 309     #-------------------------------------------------------------------------
 310
 311     def getObjectInfo(self, studyId, entry):
 312         return ""
 313