src/Container/SALOME_ComponentPy.py

   1 #! /usr/bin/env python
   2 #  -*- coding: iso-8859-1 -*-
   3 #  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
   4 #
   5 #  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   6 #  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   7 #
   8 #  This library is free software; you can redistribute it and/or
   9 #  modify it under the terms of the GNU Lesser General Public
  10 #  License as published by the Free Software Foundation; either
  11 #  version 2.1 of the License.
  12 #
  13 #  This library is distributed in the hope that it will be useful,
  14 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 #  Lesser General Public License for more details.
  17 #
  18 #  You should have received a copy of the GNU Lesser General Public
  19 #  License along with this library; if not, write to the Free Software
  20 #  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  21 #
  22 #  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  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
  35 import os
  36 import sys
  37 import time
  38 import string
  39 import signal
  40 from omniORB import CORBA, PortableServer, any
  41 import Engines, Engines__POA
  42 import Registry
  43 from Utils_Identity import *
  44 from SALOME_NamingServicePy import *
  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_i (Engines__POA.Component):
  59     _orb = None
  60     _poa = None
  61     _fieldsDict = []
  62     _studyId = -1
  63
  64     #-------------------------------------------------------------------------
  65
  66     def __init__ (self, orb, poa, contID, containerName,
  67                   instanceName, interfaceName, notif=0):
  68         # Notif for notification services
  69         # NOT YET IMPLEMENTED
  70         MESSAGE(  "SALOME_ComponentPy_i::__init__" + " " + str (containerName) + " " + str(instanceName) + " " + str(interfaceName) )
  71         self._orb = orb
  72         self._poa = poa
  73         self._instanceName = instanceName
  74         self._interfaceName = interfaceName
  75         self._containerName = containerName
  76         self._notif = notif
  77         self._myConnexionToRegistry = 0
  78         self._graphName = ''
  79         self._nodeName = ''
  80         self._serviceName = ''
  81         self._ThreadId = 0
  82         self._StartUsed = 0
  83         self._ThreadCpuUsed = 0
  84         self._Executed = 0
  85         self._contId = contID
  86
  87         naming_service = SALOME_NamingServicePy_i(self._orb)
  88         myMachine=getShortHostName()
  89         Component_path = self._containerName + "/" + self._instanceName
  90         MESSAGE(  'SALOME_ComponentPy_i Register' + str( Component_path ) )
  91         id_o = poa.activate_object(self)
  92         compo_o = poa.id_to_reference(id_o)
  93         naming_service.Register(compo_o, Component_path)
  94
  95         # Add componentinstance to registry
  96         obj = naming_service.Resolve('/Registry')
  97         if obj is None:
  98             MESSAGE(  "Registry Reference is invalid" )
  99         else:
 100             regist = obj._narrow(Registry.Components)
 101             if regist is None:
 102                 MESSAGE(  "Registry Reference is invalid" )
 103             else:
 104                 ior = orb.object_to_string(contID)
 105                 MESSAGE(  ior )
 106
 107                 lesInfos = Identity(self._instanceName)
 108                 infos = Registry.Infos(lesInfos._name,
 109                                        lesInfos._pid,
 110                                        lesInfos._machine,
 111                                        lesInfos._adip,
 112                                        lesInfos._uid,
 113                                        lesInfos._pwname,
 114                                        int(lesInfos._tc_start),
 115                                        0,0,0,
 116                                        lesInfos._cdir,
 117                                        -1,
 118                                        ior)
 119
 120                 res = regist.add(infos)
 121
 122         self._notifSupplier = NOTIFICATION_Supplier_Swig(instanceName, notif)
 123
 124     #-------------------------------------------------------------------------
 125
 126     def _get_instanceName(self):
 127         MESSAGE(  "SALOME_ComponentPy_i::_get_instanceName" )
 128         return self._instanceName
 129
 130     #-------------------------------------------------------------------------
 131
 132     def _get_interfaceName(self):
 133         MESSAGE(  "SALOME_ComponentPy_i::_get_interfaceName" )
 134         return self._interfaceName
 135
 136     #-------------------------------------------------------------------------
 137
 138     def ping(self):
 139         MESSAGE(  "SALOME_ComponentPy_i::ping() pid " + str(os.getpid()) )
 140
 141     #-------------------------------------------------------------------------
 142
 143     def setProperties(self, dico):
 144         self._fieldsDict = dico
 145
 146     #-------------------------------------------------------------------------
 147
 148     def getProperties(self):
 149         return self._fieldsDict
 150
 151     #-------------------------------------------------------------------------
 152
 153     def destroy(self):
 154         MESSAGE(  "SALOME_ComponentPy_i::destroy" )
 155         id = self._poa.servant_to_id(self)
 156         self._poa.deactivate_object(id)
 157         return
 158
 159     #-------------------------------------------------------------------------
 160
 161     def GetContainerRef(self):
 162         MESSAGE(  "SALOME_ComponentPy_i::GetContainerRef" )
 163         return self._contId._narrow(Engines.Container)
 164
 165     #-------------------------------------------------------------------------
 166
 167     def beginService(self , serviceName ):
 168         MESSAGE(  "Send BeginService notification for " + str(serviceName) + " for graph/node " + str(self._graphName) + " " + str(self._nodeName) )
 169         MESSAGE(  "Component instance : " + str ( self._instanceName ) )
 170         self._serviceName = str(serviceName)
 171         self._ThreadId = get_ident()
 172         self._StartUsed = 0
 173         self._StartUsed = self.CpuUsed_impl()
 174         self._ThreadCpuUsed = 0
 175         self._Executed = 1
 176         print "beginService for ",serviceName," Component instance : ",self._instanceName
 177         MESSAGE( "SALOME_ComponentPy_i::beginService _StartUsed " + str( self._ThreadId ) + " " + str( self._StartUsed ) )
 178         for e in self._fieldsDict:
 179           key=e.key
 180           value=any.from_any(e.value)
 181           if isinstance(value,str):
 182             os.environ[key]=value
 183
 184
 185     #-------------------------------------------------------------------------
 186
 187     def endService(self , serviceName ):
 188         MESSAGE(  "Send EndService notification for " + str( self._ThreadId ) + " " + str(serviceName) + " for graph/node " + str(self._graphName) + " " + str(self._nodeName) + " CpuUsed " + str( self.CpuUsed_impl() ) )
 189         MESSAGE(  "Component instance : " + str(self._instanceName) )
 190         print "endService for",serviceName,"Component instance :",self._instanceName,"Cpu Used:",self.CpuUsed_impl()," (s) "
 191
 192
 193     #-------------------------------------------------------------------------
 194
 195     def sendMessage(self , event_type , message ):
 196         self._notifSupplier.Send(self.graphName(), self.nodeName(), event_type, message)
 197
 198     #-------------------------------------------------------------------------
 199
 200     def Names(self , GraphName , NodeName ):
 201         MESSAGE(  "SALOME_ComponentPy_i::Names" + str(GraphName) + str(NodeName) )
 202         self._graphName = GraphName
 203         self._nodeName = NodeName
 204
 205     #-------------------------------------------------------------------------
 206
 207     def graphName(self):
 208         return self._graphName
 209
 210     #-------------------------------------------------------------------------
 211
 212     def nodeName(self):
 213         return self._nodeName
 214
 215     #-------------------------------------------------------------------------
 216
 217     def Killer(self, ThreadId, signum):
 218         #if ThreadId > 0:
 219             #if signum == 0:
 220                 #if pthread_cancel(ThreadId): <- from C++
 221                 #   return 0
 222                 #else:
 223                 #   MESSAGE()
 224             #else:
 225                 #if pthread_kill(ThreadId): <- from C++
 226                 #   return 0
 227                 #else:
 228                 #   MESSAGE()
 229         return 1
 230
 231     #-------------------------------------------------------------------------
 232
 233     def Kill_impl(self):
 234         MESSAGE(  "SALOME_ComponentPy_i::Kill_impl" )
 235         RetVal = 0
 236         if self._ThreadId > 0 & self._ThreadId != get_ident():
 237             RetVal = Killer(self._ThreadId,0)
 238             self._ThreadId = 0
 239         return RetVal
 240
 241     #-------------------------------------------------------------------------
 242
 243     def Stop_impl(self):
 244         MESSAGE(  "SALOME_ComponentPy_i::Stop_impl" )
 245         RetVal = 0
 246         if self._ThreadId > 0 & self._ThreadId != get_ident():
 247             RetVal = Killer(self._ThreadId,0)
 248             self._ThreadId = 0
 249         return RetVal
 250
 251     #-------------------------------------------------------------------------
 252
 253     def Suspend_impl(self):
 254         MESSAGE(  "SALOME_ComponentPy_i::Suspend_impl" )
 255         global _Sleeping
 256         RetVal = 0
 257         if self._ThreadId > 0 & self._ThreadId != get_ident():
 258             if _Sleeping > 0:
 259                 return 0
 260             else:
 261                 RetVal = Killer(self._ThreadId, signal.SIGINT)
 262                 if RetVal > 0:
 263                     _Sleeping = 1
 264         return RetVal
 265
 266     #-------------------------------------------------------------------------
 267
 268     def Resume_impl(self):
 269         MESSAGE(  "SALOME_ComponentPy_i::Resume_impl" )
 270         global _Sleeping
 271         RetVal = 0
 272         if self._ThreadId > 0 & self._ThreadId != get_ident():
 273             if _Sleeping > 0:
 274                 _Sleeping = 0
 275                 RetVal = 1
 276             else:
 277                 RetVal = 0
 278         return RetVal
 279
 280     #-------------------------------------------------------------------------
 281
 282     def CpuUsed_impl(self):
 283         if ( self._ThreadId | self._Executed ) :
 284             if self._ThreadId == get_ident() :
 285                 cpu = time.clock()
 286                 self._ThreadCpuUsed = cpu - self._StartUsed
 287                 MESSAGE( "SALOME_ComponentPy_i::CpuUsed_impl " + self._serviceName + " " + str( int(cpu) ) + " - " + str( self._StartUsed ) + " = " + str( self._ThreadCpuUsed ) )
 288                 return self._ThreadCpuUsed
 289             MESSAGE( "SALOME_ComponentPy_i::CpuUsed_impl " + self._serviceName + " " + str( self._ThreadCpuUsed ) )
 290             return self._ThreadCpuUsed
 291         MESSAGE( "SALOME_ComponentPy_i::CpuUsed_impl self._StartUsed " + self._serviceName + " " + str(self._StartUsed) )
 292         return 0
 293
 294     #-------------------------------------------------------------------------
 295
 296     def DumpPython(self, theStudy, isPublished):
 297         aBuffer = "def RebuildData(theStudy): pass\n\0"
 298         return (aBuffer, 1)
 299
 300     #-------------------------------------------------------------------------
 301
 302     def getStudyId(self):
 303         return self._studyId
 304
 305     #-------------------------------------------------------------------------
 306
 307     def hasObjectInfo(self):
 308         return 0
 309
 310     #-------------------------------------------------------------------------
 311
 312     def getObjectInfo(self, studyId, entry):
 313         return ""
 314