src/Container/SALOME_ComponentPy.py

   1 #  -*- coding: iso-8859-1 -*-
   2 # Copyright (C) 2007-2020  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, or (at your option) any later version.
  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
  24 #  SALOME Container : implementation of container and engine for Kernel
  25 #  File   : SALOME_ComponentPy.py
  26 #  Author : Paul RASCLE, EDF
  27 #  Module : SALOME
  28 #  $Header$
  29
  30 ## @package SALOME_ComponentPy
  31 # \brief python implementation of component interface for Kernel
  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_Gen_i (Engines__POA.EngineComponent):
  58     """
  59     Implementation Without naming_service server
  60     """
  61     _orb = None
  62     _poa = None
  63     _fieldsDict = []
  64
  65     #-------------------------------------------------------------------------
  66
  67     def __init__ (self, orb, poa, contID, containerName,
  68                   instanceName, interfaceName, notif=False):
  69         # Notif for notification services
  70         # NOT YET IMPLEMENTED
  71         MESSAGE(  "SALOME_ComponentPy_i::__init__" + " " + str (containerName) + " " + str(instanceName) + " " + str(interfaceName) )
  72         self._orb = orb
  73         self._poa = poa
  74         self._instanceName = instanceName
  75         self._interfaceName = interfaceName
  76         self._containerName = containerName
  77         self._notif = notif
  78         self._myConnexionToRegistry = 0
  79         self._graphName = ''
  80         self._nodeName = ''
  81         self._serviceName = ''
  82         self._ThreadId = 0
  83         self._StartUsed = 0
  84         self._ThreadCpuUsed = 0
  85         self._Executed = 0
  86         self._contId = contID
  87
  88         myMachine=getShortHostName()
  89         id_o = poa.activate_object(self)
  90         self._compo_o = poa.id_to_reference(id_o)
  91         self._notifSupplier = NOTIFICATION_Supplier_Swig(instanceName, self._notif)
  92
  93     def getCorbaRef(self):
  94         return self._compo_o
  95
  96     #-------------------------------------------------------------------------
  97
  98     def _get_instanceName(self):
  99         MESSAGE(  "SALOME_ComponentPy_i::_get_instanceName" )
 100         return self._instanceName
 101
 102     #-------------------------------------------------------------------------
 103
 104     def _get_interfaceName(self):
 105         MESSAGE(  "SALOME_ComponentPy_i::_get_interfaceName" )
 106         return self._interfaceName
 107
 108     #-------------------------------------------------------------------------
 109
 110     def ping(self):
 111         MESSAGE(  "SALOME_ComponentPy_i::ping() pid " + str(os.getpid()) )
 112
 113     #-------------------------------------------------------------------------
 114
 115     def setProperties(self, dico):
 116         self._fieldsDict = dico
 117
 118     #-------------------------------------------------------------------------
 119
 120     def getProperties(self):
 121         return self._fieldsDict
 122
 123     #-------------------------------------------------------------------------
 124
 125     def destroy(self):
 126         MESSAGE(  "SALOME_ComponentPy_i::destroy" )
 127         id = self._poa.servant_to_id(self)
 128         self._poa.deactivate_object(id)
 129         return
 130
 131     #-------------------------------------------------------------------------
 132
 133     def GetContainerRef(self):
 134         MESSAGE(  "SALOME_ComponentPy_i::GetContainerRef" )
 135         return self._contId._narrow(Engines.Container)
 136
 137     #-------------------------------------------------------------------------
 138
 139     def beginService(self , serviceName ):
 140         MESSAGE(  "Send BeginService notification for " + str(serviceName) + " for graph/node " + str(self._graphName) + " " + str(self._nodeName) )
 141         MESSAGE(  "Component instance : " + str ( self._instanceName ) )
 142         self._serviceName = str(serviceName)
 143         self._ThreadId = get_ident()
 144         self._StartUsed = 0
 145         self._StartUsed = self.CpuUsed_impl()
 146         self._ThreadCpuUsed = 0
 147         self._Executed = 1
 148         print("beginService for ",serviceName," Component instance : ",self._instanceName)
 149         MESSAGE( "SALOME_ComponentPy_i::beginService _StartUsed " + str( self._ThreadId ) + " " + str( self._StartUsed ) )
 150         for e in self._fieldsDict:
 151           key=e.key
 152           value=any.from_any(e.value)
 153           if isinstance(value,str):
 154             os.environ[key]=value
 155
 156
 157     #-------------------------------------------------------------------------
 158
 159     def endService(self , serviceName ):
 160         MESSAGE(  "Send EndService notification for " + str( self._ThreadId ) + " " + str(serviceName) + " for graph/node " + str(self._graphName) + " " + str(self._nodeName) + " CpuUsed " + str( self.CpuUsed_impl() ) )
 161         MESSAGE(  "Component instance : " + str(self._instanceName) )
 162         print("endService for",serviceName,"Component instance :",self._instanceName,"Cpu Used:",self.CpuUsed_impl()," (s) ")
 163
 164
 165     #-------------------------------------------------------------------------
 166
 167     def sendMessage(self , event_type , message ):
 168         self._notifSupplier.Send(self.graphName(), self.nodeName(), event_type, message)
 169
 170     #-------------------------------------------------------------------------
 171
 172     def Names(self , GraphName , NodeName ):
 173         MESSAGE(  "SALOME_ComponentPy_i::Names" + str(GraphName) + str(NodeName) )
 174         self._graphName = GraphName
 175         self._nodeName = NodeName
 176
 177     #-------------------------------------------------------------------------
 178
 179     def graphName(self):
 180         return self._graphName
 181
 182     #-------------------------------------------------------------------------
 183
 184     def nodeName(self):
 185         return self._nodeName
 186
 187     #-------------------------------------------------------------------------
 188
 189     def Killer(self, ThreadId, signum):
 190         #if ThreadId > 0:
 191             #if signum == 0:
 192                 #if pthread_cancel(ThreadId): <- from C++
 193                 #   return 0
 194                 #else:
 195                 #   MESSAGE()
 196             #else:
 197                 #if pthread_kill(ThreadId): <- from C++
 198                 #   return 0
 199                 #else:
 200                 #   MESSAGE()
 201         return 1
 202
 203     #-------------------------------------------------------------------------
 204
 205     def Kill_impl(self):
 206         MESSAGE(  "SALOME_ComponentPy_i::Kill_impl" )
 207         RetVal = 0
 208         if self._ThreadId > 0 & self._ThreadId != get_ident():
 209             RetVal = Killer(self._ThreadId,0)
 210             self._ThreadId = 0
 211         return RetVal
 212
 213     #-------------------------------------------------------------------------
 214
 215     def Stop_impl(self):
 216         MESSAGE(  "SALOME_ComponentPy_i::Stop_impl" )
 217         RetVal = 0
 218         if self._ThreadId > 0 & self._ThreadId != get_ident():
 219             RetVal = Killer(self._ThreadId,0)
 220             self._ThreadId = 0
 221         return RetVal
 222
 223     #-------------------------------------------------------------------------
 224
 225     def Suspend_impl(self):
 226         MESSAGE(  "SALOME_ComponentPy_i::Suspend_impl" )
 227         global _Sleeping
 228         RetVal = 0
 229         if self._ThreadId > 0 & self._ThreadId != get_ident():
 230             if _Sleeping > 0:
 231                 return 0
 232             else:
 233                 RetVal = Killer(self._ThreadId, signal.SIGINT)
 234                 if RetVal > 0:
 235                     _Sleeping = 1
 236         return RetVal
 237
 238     #-------------------------------------------------------------------------
 239
 240     def Resume_impl(self):
 241         MESSAGE(  "SALOME_ComponentPy_i::Resume_impl" )
 242         global _Sleeping
 243         RetVal = 0
 244         if self._ThreadId > 0 & self._ThreadId != get_ident():
 245             if _Sleeping > 0:
 246                 _Sleeping = 0
 247                 RetVal = 1
 248             else:
 249                 RetVal = 0
 250         return RetVal
 251
 252     #-------------------------------------------------------------------------
 253
 254     def CpuUsed_impl(self):
 255         if ( self._ThreadId | self._Executed ) :
 256             if self._ThreadId == get_ident() :
 257                 cpu = time.clock()
 258                 self._ThreadCpuUsed = cpu - self._StartUsed
 259                 MESSAGE( "SALOME_ComponentPy_i::CpuUsed_impl " + self._serviceName + " " + str( int(cpu) ) + " - " + str( self._StartUsed ) + " = " + str( self._ThreadCpuUsed ) )
 260                 return self._ThreadCpuUsed
 261             MESSAGE( "SALOME_ComponentPy_i::CpuUsed_impl " + self._serviceName + " " + str( self._ThreadCpuUsed ) )
 262             return self._ThreadCpuUsed
 263         MESSAGE( "SALOME_ComponentPy_i::CpuUsed_impl self._StartUsed " + self._serviceName + " " + str(self._StartUsed) )
 264         return 0
 265
 266     #-------------------------------------------------------------------------
 267
 268     def DumpPython(self, isPublished, isMultiFile):
 269         aBuffer = "\0"
 270         if isMultiFile :
 271             aBuffer = "def RebuildData(): pass\n\0"
 272         return (aBuffer.encode(), 1)
 273
 274     #-------------------------------------------------------------------------
 275
 276     def hasObjectInfo(self):
 277         return 0
 278
 279     #-------------------------------------------------------------------------
 280
 281     def getObjectInfo(self, entry):
 282         return ""
 283
 284     #-------------------------------------------------------------------------
 285
 286     def getVersion(self):
 287         return "" # empty string means "unknown" version
 288
 289     #-------------------------------------------------------------------------
 290
 291     pass # end of SALOME_ComponentPy_i
 292
 293 class SALOME_ComponentPy_i(SALOME_ComponentPy_Gen_i):
 294     """
 295     Implementation with naming_service server
 296     """
 297     def __init__ (self, orb, poa, contID, containerName, instanceName, interfaceName, notif=False):
 298         SALOME_ComponentPy_Gen_i.__init__(self, orb, poa, contID, containerName, instanceName, interfaceName, notif)
 299         naming_service = SALOME_NamingServicePy_i(self._orb)
 300         Component_path = self._containerName + "/" + self._instanceName
 301         MESSAGE(  'SALOME_ComponentPy_i Register' + str( Component_path ) )
 302         naming_service.Register(self._compo_o, Component_path)
 303         # Add componentinstance to registry
 304         obj = naming_service.Resolve('/Registry')
 305         if obj is None:
 306             MESSAGE(  "Registry Reference is invalid" )
 307         else:
 308             regist = obj._narrow(Registry.Components)
 309             if regist is None:
 310                 MESSAGE(  "Registry Reference is invalid" )
 311             else:
 312                 ior = orb.object_to_string(contID)
 313                 MESSAGE(  ior )
 314
 315                 lesInfos = Identity(self._instanceName)
 316                 infos = Registry.Infos(lesInfos._name,
 317                                        lesInfos._pid,
 318                                        lesInfos._machine,
 319                                        lesInfos._adip,
 320                                        lesInfos._uid,
 321                                        lesInfos._pwname,
 322                                        int(lesInfos._tc_start),
 323                                        0,0,0,
 324                                        lesInfos._cdir,
 325                                        -1,
 326                                        ior)
 327
 328                 res = regist.add(infos)
 329
 330     pass