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