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
  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         #corbaObj_ptr = self._poa.id_to_reference(self._contId)
 163         #return corbaObj_ptr._narrow(Engines.Container)
 164         return self._contId._narrow(Engines.Container)
 165
 166     #-------------------------------------------------------------------------
 167
 168     def beginService(self , serviceName ):
 169         MESSAGE(  "Send BeginService notification for " + str(serviceName) + " for graph/node " + str(self._graphName) + " " + str(self._nodeName) )
 170         MESSAGE(  "Component instance : " + str ( self._instanceName ) )
 171         self._serviceName = str(serviceName)
 172         self._ThreadId = get_ident()
 173         self._StartUsed = 0
 174         self._StartUsed = self.CpuUsed_impl()
 175         self._ThreadCpuUsed = 0
 176         self._Executed = 1
 177         MESSAGE( "SALOME_ComponentPy_i::beginService _StartUsed " + str( self._ThreadId ) + " " + str( self._StartUsed ) )
 178
 179
 180     #-------------------------------------------------------------------------
 181
 182     def endService(self , serviceName ):
 183         MESSAGE(  "Send EndService notification for " + str( self._ThreadId ) + " " + str(serviceName) + " for graph/node " + str(self._graphName) + " " + str(self._nodeName) + " CpuUsed " + str( self.CpuUsed_impl() ) )
 184         MESSAGE(  "Component instance : " + str(self._instanceName) )
 185
 186     #-------------------------------------------------------------------------
 187
 188     def sendMessage(self , event_type , message ):
 189         self._notifSupplier.Send(self.graphName(), self.nodeName(), event_type, message)
 190
 191     #-------------------------------------------------------------------------
 192
 193     def Names(self , GraphName , NodeName ):
 194         MESSAGE(  "SALOME_ComponentPy_i::Names" + str(GraphName) + str(NodeName) )
 195         self._graphName = GraphName
 196         self._nodeName = NodeName
 197
 198     #-------------------------------------------------------------------------
 199
 200     def graphName(self):
 201         return self._graphName
 202
 203     #-------------------------------------------------------------------------
 204
 205     def nodeName(self):
 206         return self._nodeName
 207
 208     #-------------------------------------------------------------------------
 209
 210     def Killer(self, ThreadId, signum):
 211         #if ThreadId > 0:
 212             #if signum == 0:
 213                 #if pthread_cancel(ThreadId): <- from C++
 214                 #   return 0
 215                 #else:
 216                 #   MESSAGE()
 217             #else:
 218                 #if pthread_kill(ThreadId): <- from C++
 219                 #   return 0
 220                 #else:
 221                 #   MESSAGE()
 222         return 1
 223
 224     #-------------------------------------------------------------------------
 225
 226     def Kill_impl(self):
 227         MESSAGE(  "SALOME_ComponentPy_i::Kill_impl" )
 228         RetVal = 0
 229         if self._ThreadId > 0 & self._ThreadId != get_ident():
 230             RetVal = Killer(self._ThreadId,0)
 231             self._ThreadId = 0
 232         return RetVal
 233
 234     #-------------------------------------------------------------------------
 235
 236     def Stop_impl(self):
 237         MESSAGE(  "SALOME_ComponentPy_i::Stop_impl" )
 238         RetVal = 0
 239         if self._ThreadId > 0 & self._ThreadId != get_ident():
 240             RetVal = Killer(self._ThreadId,0)
 241             self._ThreadId = 0
 242         return RetVal
 243
 244     #-------------------------------------------------------------------------
 245
 246     def Suspend_impl(self):
 247         MESSAGE(  "SALOME_ComponentPy_i::Suspend_impl" )
 248         global _Sleeping
 249         RetVal = 0
 250         if self._ThreadId > 0 & self._ThreadId != get_ident():
 251             if _Sleeping > 0:
 252                 return 0
 253             else:
 254                 RetVal = Killer(self._ThreadId, signal.SIGINT)
 255                 if RetVal > 0:
 256                     _Sleeping = 1
 257         return RetVal
 258
 259     #-------------------------------------------------------------------------
 260
 261     def Resume_impl(self):
 262         MESSAGE(  "SALOME_ComponentPy_i::Resume_impl" )
 263         global _Sleeping
 264         RetVal = 0
 265         if self._ThreadId > 0 & self._ThreadId != get_ident():
 266             if _Sleeping > 0:
 267                 _Sleeping = 0
 268                 RetVal = 1
 269             else:
 270                 RetVal = 0
 271         return RetVal
 272
 273     #-------------------------------------------------------------------------
 274
 275     def CpuUsed_impl(self):
 276         if ( self._ThreadId | self._Executed ) :
 277             if self._ThreadId == get_ident() :
 278                 cpu = time.clock()
 279                 self._ThreadCpuUsed = int(cpu) - self._StartUsed
 280                 MESSAGE( "SALOME_ComponentPy_i::CpuUsed_impl " + self._serviceName + " " + str( int(cpu) ) + " - " + str( self._StartUsed ) + " = " + str( self._ThreadCpuUsed ) )
 281                 return self._ThreadCpuUsed
 282             MESSAGE( "SALOME_ComponentPy_i::CpuUsed_impl " + self._serviceName + " " + str( self._ThreadCpuUsed ) )
 283             return self._ThreadCpuUsed
 284         MESSAGE( "SALOME_ComponentPy_i::CpuUsed_impl self._StartUsed " + self._serviceName + " " + str(self._StartUsed) )
 285         return 0
 286
 287     #-------------------------------------------------------------------------
 288
 289     def DumpPython(self, theStudy, isPublished):
 290         aBuffer = "def RebuildData(theStudy): pass\n\0"
 291         return (aBuffer, 1)
 292
 293     #-------------------------------------------------------------------------
 294
 295     def getStudyId(self):
 296         return self._studyId
 297
 298     #-------------------------------------------------------------------------
 299
 300     def hasObjectInfo(self):
 301         return 0
 302
 303     #-------------------------------------------------------------------------
 304
 305     def getObjectInfo(self, studyId, entry):
 306         return ""
 307