src/Container/SALOME_ComponentPy.py

   1 #  -*- coding: iso-8859-1 -*-
   2 # Copyright (C) 2007-2023  CEA, EDF, 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 SALOME_Embedded_NamingService_ClientPy import SALOME_Embedded_NamingService_ClientPy
  45 from libNOTIFICATION import *
  46
  47 from SALOME_utilities import *
  48
  49 from _thread import *
  50
  51 #=============================================================================
  52
  53 _Sleeping = 0
  54
  55 ## define an implementation of the component interface Engines::Component
  56 #
  57 #
  58 class SALOME_ComponentPy_Gen_i (Engines__POA.EngineComponent):
  59     """
  60     Implementation Without naming_service server
  61     """
  62     _orb = None
  63     _poa = None
  64     _fieldsDict = []
  65
  66     #-------------------------------------------------------------------------
  67
  68     def __init__ (self, orb, poa, contID, containerName,
  69                   instanceName, interfaceName, notif=False):
  70         # Notif for notification services
  71         # NOT YET IMPLEMENTED
  72         MESSAGE(  "SALOME_ComponentPy_i::__init__" + " " + str (containerName) + " " + str(instanceName) + " " + str(interfaceName) )
  73         self._orb = orb
  74         self._poa = poa
  75         self._instanceName = instanceName
  76         self._interfaceName = interfaceName
  77         self._containerName = containerName
  78         self._notif = notif
  79         self._myConnexionToRegistry = 0
  80         self._graphName = ''
  81         self._nodeName = ''
  82         self._serviceName = ''
  83         self._ThreadId = 0
  84         self._StartUsed = 0
  85         self._ThreadCpuUsed = 0
  86         self._Executed = 0
  87         self._contId = contID
  88
  89         myMachine=getShortHostName()
  90         id_o = poa.activate_object(self)
  91         self._compo_o = poa.id_to_reference(id_o)
  92         self._notifSupplier = NOTIFICATION_Supplier_Swig(instanceName, self._notif)
  93
  94     def getCorbaRef(self):
  95         return self._compo_o
  96
  97     #-------------------------------------------------------------------------
  98
  99     def _get_instanceName(self):
 100         MESSAGE(  "SALOME_ComponentPy_i::_get_instanceName" )
 101         return self._instanceName
 102
 103     #-------------------------------------------------------------------------
 104
 105     def _get_interfaceName(self):
 106         MESSAGE(  "SALOME_ComponentPy_i::_get_interfaceName" )
 107         return self._interfaceName
 108
 109     #-------------------------------------------------------------------------
 110
 111     def ping(self):
 112         MESSAGE(  "SALOME_ComponentPy_i::ping() pid " + str(os.getpid()) )
 113
 114     #-------------------------------------------------------------------------
 115
 116     def setProperties(self, dico):
 117         self._fieldsDict = dico
 118
 119     #-------------------------------------------------------------------------
 120
 121     def getProperties(self):
 122         return self._fieldsDict
 123
 124     #-------------------------------------------------------------------------
 125
 126     def destroy(self):
 127         MESSAGE(  "SALOME_ComponentPy_i::destroy" )
 128         id = self._poa.servant_to_id(self)
 129         self._poa.deactivate_object(id)
 130         return
 131
 132     #-------------------------------------------------------------------------
 133
 134     def GetContainerRef(self):
 135         MESSAGE(  "SALOME_ComponentPy_i::GetContainerRef" )
 136         return self._contId._narrow(Engines.Container)
 137
 138     #-------------------------------------------------------------------------
 139
 140     def beginService(self , serviceName ):
 141         MESSAGE(  "Send BeginService notification for " + str(serviceName) + " for graph/node " + str(self._graphName) + " " + str(self._nodeName) )
 142         MESSAGE(  "Component instance : " + str ( self._instanceName ) )
 143         self._serviceName = str(serviceName)
 144         self._ThreadId = get_ident()
 145         self._StartUsed = 0
 146         self._StartUsed = self.CpuUsed_impl()
 147         self._ThreadCpuUsed = 0
 148         self._Executed = 1
 149         print("beginService for ",serviceName," Component instance : ",self._instanceName)
 150         MESSAGE( "SALOME_ComponentPy_i::beginService _StartUsed " + str( self._ThreadId ) + " " + str( self._StartUsed ) )
 151         for e in self._fieldsDict:
 152           key=e.key
 153           value=any.from_any(e.value)
 154           if isinstance(value,str):
 155             os.environ[key]=value
 156
 157
 158     #-------------------------------------------------------------------------
 159
 160     def endService(self , serviceName ):
 161         MESSAGE(  "Send EndService notification for " + str( self._ThreadId ) + " " + str(serviceName) + " for graph/node " + str(self._graphName) + " " + str(self._nodeName) + " CpuUsed " + str( self.CpuUsed_impl() ) )
 162         MESSAGE(  "Component instance : " + str(self._instanceName) )
 163         print("endService for",serviceName,"Component instance :",self._instanceName,"Cpu Used:",self.CpuUsed_impl()," (s) ")
 164
 165
 166     #-------------------------------------------------------------------------
 167
 168     def sendMessage(self , event_type , message ):
 169         self._notifSupplier.Send(self.graphName(), self.nodeName(), event_type, message)
 170
 171     #-------------------------------------------------------------------------
 172
 173     def Names(self , GraphName , NodeName ):
 174         MESSAGE(  "SALOME_ComponentPy_i::Names" + str(GraphName) + str(NodeName) )
 175         self._graphName = GraphName
 176         self._nodeName = NodeName
 177
 178     #-------------------------------------------------------------------------
 179
 180     def graphName(self):
 181         return self._graphName
 182
 183     #-------------------------------------------------------------------------
 184
 185     def nodeName(self):
 186         return self._nodeName
 187
 188     #-------------------------------------------------------------------------
 189
 190     def Killer(self, ThreadId, signum):
 191         #if ThreadId > 0:
 192             #if signum == 0:
 193                 #if pthread_cancel(ThreadId): <- from C++
 194                 #   return 0
 195                 #else:
 196                 #   MESSAGE()
 197             #else:
 198                 #if pthread_kill(ThreadId): <- from C++
 199                 #   return 0
 200                 #else:
 201                 #   MESSAGE()
 202         return 1
 203
 204     #-------------------------------------------------------------------------
 205
 206     def Kill_impl(self):
 207         MESSAGE(  "SALOME_ComponentPy_i::Kill_impl" )
 208         RetVal = 0
 209         if self._ThreadId > 0 & self._ThreadId != get_ident():
 210             RetVal = Killer(self._ThreadId,0)
 211             self._ThreadId = 0
 212         return RetVal
 213
 214     #-------------------------------------------------------------------------
 215
 216     def Stop_impl(self):
 217         MESSAGE(  "SALOME_ComponentPy_i::Stop_impl" )
 218         RetVal = 0
 219         if self._ThreadId > 0 & self._ThreadId != get_ident():
 220             RetVal = Killer(self._ThreadId,0)
 221             self._ThreadId = 0
 222         return RetVal
 223
 224     #-------------------------------------------------------------------------
 225
 226     def Suspend_impl(self):
 227         MESSAGE(  "SALOME_ComponentPy_i::Suspend_impl" )
 228         global _Sleeping
 229         RetVal = 0
 230         if self._ThreadId > 0 & self._ThreadId != get_ident():
 231             if _Sleeping > 0:
 232                 return 0
 233             else:
 234                 RetVal = Killer(self._ThreadId, signal.SIGINT)
 235                 if RetVal > 0:
 236                     _Sleeping = 1
 237         return RetVal
 238
 239     #-------------------------------------------------------------------------
 240
 241     def Resume_impl(self):
 242         MESSAGE(  "SALOME_ComponentPy_i::Resume_impl" )
 243         global _Sleeping
 244         RetVal = 0
 245         if self._ThreadId > 0 & self._ThreadId != get_ident():
 246             if _Sleeping > 0:
 247                 _Sleeping = 0
 248                 RetVal = 1
 249             else:
 250                 RetVal = 0
 251         return RetVal
 252
 253     #-------------------------------------------------------------------------
 254
 255     def CpuUsed_impl(self):
 256         if ( self._ThreadId | self._Executed ) :
 257             if self._ThreadId == get_ident() :
 258                 cpu = time.process_time()
 259                 self._ThreadCpuUsed = cpu - self._StartUsed
 260                 MESSAGE( "SALOME_ComponentPy_i::CpuUsed_impl " + self._serviceName + " " + str( int(cpu) ) + " - " + str( self._StartUsed ) + " = " + str( self._ThreadCpuUsed ) )
 261                 return self._ThreadCpuUsed
 262             MESSAGE( "SALOME_ComponentPy_i::CpuUsed_impl " + self._serviceName + " " + str( self._ThreadCpuUsed ) )
 263             return self._ThreadCpuUsed
 264         MESSAGE( "SALOME_ComponentPy_i::CpuUsed_impl self._StartUsed " + self._serviceName + " " + str(self._StartUsed) )
 265         return 0
 266
 267     #-------------------------------------------------------------------------
 268
 269     def DumpPython(self, isPublished, isMultiFile):
 270         aBuffer = "\0"
 271         if isMultiFile :
 272             aBuffer = "def RebuildData(): pass\n\0"
 273         return (aBuffer.encode(), 1)
 274
 275     #-------------------------------------------------------------------------
 276
 277     def hasObjectInfo(self):
 278         return 0
 279
 280     #-------------------------------------------------------------------------
 281
 282     def getObjectInfo(self, entry):
 283         return ""
 284
 285     #-------------------------------------------------------------------------
 286
 287     def getVersion(self):
 288         return "" # empty string means "unknown" version
 289
 290     #-------------------------------------------------------------------------
 291
 292     pass # end of SALOME_ComponentPy_i
 293
 294 class SALOME_ComponentPy_i(SALOME_ComponentPy_Gen_i):
 295     """
 296     Implementation with naming_service server
 297     """
 298     def __init__ (self, orb, poa, contID, containerName, instanceName, interfaceName, notif=False):
 299         SALOME_ComponentPy_Gen_i.__init__(self, orb, poa, contID, containerName, instanceName, interfaceName, notif)
 300         emb_ns = self._contId.get_embedded_NS_if_ssl()
 301         if CORBA.is_nil(emb_ns):
 302             self._naming_service = SALOME_NamingServicePy_i(self._orb)
 303         else:
 304             self._naming_service = SALOME_Embedded_NamingService_ClientPy(emb_ns)
 305         Component_path = contID.name + "/" + self._instanceName#self._containerName
 306         MESSAGE(  'SALOME_ComponentPy_i Register' + str( Component_path ) )
 307         self._naming_service.Register(self._compo_o, Component_path)
 308         # Add componentinstance to registry
 309         obj = self._naming_service.Resolve('/Registry')
 310         if obj is None:
 311             MESSAGE(  "Registry Reference is invalid" )
 312         else:
 313             regist = obj._narrow(Registry.Components)
 314             if regist is None:
 315                 MESSAGE(  "Registry Reference is invalid" )
 316             else:
 317                 ior = orb.object_to_string(contID)
 318                 MESSAGE(  ior )
 319
 320                 lesInfos = Identity(self._instanceName)
 321                 infos = Registry.Infos(lesInfos._name,
 322                                        lesInfos._pid,
 323                                        lesInfos._machine,
 324                                        lesInfos._adip,
 325                                        lesInfos._uid,
 326                                        lesInfos._pwname,
 327                                        int(lesInfos._tc_start),
 328                                        0,0,0,
 329                                        lesInfos._cdir,
 330                                        -1,
 331                                        ior)
 332
 333                 res = regist.add(infos)
 334
 335     pass