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 import os
  30 import sys
  31 import time
  32 import string
  33 import signal
  34 from omniORB import CORBA, PortableServer
  35 import Engines, Engines__POA
  36 import Registry
  37 from Utils_Identity import *
  38 from SALOME_NamingServicePy import *
  39 from libNOTIFICATION import *
  40
  41 from SALOME_utilities import *
  42
  43 from thread import *
  44
  45 #=============================================================================
  46
  47 _Sleeping = 0
  48
  49 #define an implementation of the component interface
  50
  51 class SALOME_ComponentPy_i (Engines__POA.Component):
  52     _orb = None
  53     _poa = None
  54     _fieldsDict = []
  55     _studyId = -1
  56
  57     #-------------------------------------------------------------------------
  58
  59     def __init__ (self, orb, poa, contID, containerName,
  60                   instanceName, interfaceName, notif=0):
  61         # Notif for notification services
  62         # NOT YET IMPLEMENTED
  63         MESSAGE(  "SALOME_ComponentPy_i::__init__" + " " + str (containerName) + " " + str(instanceName) + " " + str(interfaceName) )
  64         self._orb = orb
  65         self._poa = poa
  66         self._instanceName = instanceName
  67         self._interfaceName = interfaceName
  68         self._containerName = containerName
  69         self._notif = notif
  70         self._myConnexionToRegistry = 0
  71         self._graphName = ''
  72         self._nodeName = ''
  73         self._serviceName = ''
  74         self._ThreadId = 0
  75         self._StartUsed = 0
  76         self._ThreadCpuUsed = 0
  77         self._Executed = 0
  78         self._contId = contID
  79
  80         naming_service = SALOME_NamingServicePy_i(self._orb)
  81         myMachine=getShortHostName()
  82         Component_path = self._containerName + "/" + self._instanceName
  83         MESSAGE(  'SALOME_ComponentPy_i Register' + str( Component_path ) )
  84         id_o = poa.activate_object(self)
  85         compo_o = poa.id_to_reference(id_o)
  86         naming_service.Register(compo_o, Component_path)
  87
  88         # Add componentinstance to registry
  89         obj = naming_service.Resolve('/Registry')
  90         if obj is None:
  91             MESSAGE(  "Registry Reference is invalid" )
  92         else:
  93             regist = obj._narrow(Registry.Components)
  94             if regist is None:
  95                 MESSAGE(  "Registry Reference is invalid" )
  96             else:
  97                 ior = orb.object_to_string(contID)
  98                 MESSAGE(  ior )
  99
 100                 lesInfos = Identity(self._instanceName)
 101                 infos = Registry.Infos(lesInfos._name,
 102                                        lesInfos._pid,
 103                                        lesInfos._machine,
 104                                        lesInfos._adip,
 105                                        lesInfos._uid,
 106                                        lesInfos._pwname,
 107                                        int(lesInfos._tc_start),
 108                                        0,0,0,
 109                                        lesInfos._cdir,
 110                                        -1,
 111                                        ior)
 112
 113                 res = regist.add(infos)
 114
 115         self._notifSupplier = NOTIFICATION_Supplier_Swig(instanceName, notif)
 116
 117     #-------------------------------------------------------------------------
 118
 119     def _get_instanceName(self):
 120         MESSAGE(  "SALOME_ComponentPy_i::_get_instanceName" )
 121         return self._instanceName
 122
 123     #-------------------------------------------------------------------------
 124
 125     def _get_interfaceName(self):
 126         MESSAGE(  "SALOME_ComponentPy_i::_get_interfaceName" )
 127         return self._interfaceName
 128
 129     #-------------------------------------------------------------------------
 130
 131     def ping(self):
 132         MESSAGE(  "SALOME_ComponentPy_i::ping() pid " + str(os.getpid()) )
 133
 134     #-------------------------------------------------------------------------
 135
 136     def setProperties(self, dico):
 137         self._fieldsDict = dico
 138
 139     #-------------------------------------------------------------------------
 140
 141     def getProperties(self):
 142         return self._fieldsDict
 143
 144     #-------------------------------------------------------------------------
 145
 146     def destroy(self):
 147         MESSAGE(  "SALOME_ComponentPy_i::destroy" )
 148         #id = self._poa.servant_to_id(self)
 149         #self._poa.deactivate_object(id)
 150         return
 151
 152     #-------------------------------------------------------------------------
 153
 154     def GetContainerRef(self):
 155         MESSAGE(  "SALOME_ComponentPy_i::GetContainerRef" )
 156         #corbaObj_ptr = self._poa.id_to_reference(self._contId)
 157         #return corbaObj_ptr._narrow(Engines.Container)
 158         return self._contId._narrow(Engines.Container)
 159
 160     #-------------------------------------------------------------------------
 161
 162     def beginService(self , serviceName ):
 163         MESSAGE(  "Send BeginService notification for " + str(serviceName) + " for graph/node " + str(self._graphName) + " " + str(self._nodeName) )
 164         MESSAGE(  "Component instance : " + str ( self._instanceName ) )
 165         self._serviceName = str(serviceName)
 166         self._ThreadId = get_ident()
 167         self._StartUsed = 0
 168         self._StartUsed = self.CpuUsed_impl()
 169         self._ThreadCpuUsed = 0
 170         self._Executed = 1
 171         MESSAGE( "SALOME_ComponentPy_i::beginService _StartUsed " + str( self._ThreadId ) + " " + str( self._StartUsed ) )
 172
 173
 174     #-------------------------------------------------------------------------
 175
 176     def endService(self , serviceName ):
 177         MESSAGE(  "Send EndService notification for " + str( self._ThreadId ) + " " + str(serviceName) + " for graph/node " + str(self._graphName) + " " + str(self._nodeName) + " CpuUsed " + str( self.CpuUsed_impl() ) )
 178         MESSAGE(  "Component instance : " + str(self._instanceName) )
 179
 180     #-------------------------------------------------------------------------
 181
 182     def sendMessage(self , event_type , message ):
 183         self._notifSupplier.Send(self.graphName(), self.nodeName(), event_type, message)
 184
 185     #-------------------------------------------------------------------------
 186
 187     def Names(self , GraphName , NodeName ):
 188         MESSAGE(  "SALOME_ComponentPy_i::Names" + str(GraphName) + str(NodeName) )
 189         self._graphName = GraphName
 190         self._nodeName = NodeName
 191
 192     #-------------------------------------------------------------------------
 193
 194     def graphName(self):
 195         return self._graphName
 196
 197     #-------------------------------------------------------------------------
 198
 199     def nodeName(self):
 200         return self._nodeName
 201
 202     #-------------------------------------------------------------------------
 203
 204     def Killer(self, ThreadId, signum):
 205         #if ThreadId > 0:
 206             #if signum == 0:
 207                 #if pthread_cancel(ThreadId): <- from C++
 208                 #   return 0
 209                 #else:
 210                 #   MESSAGE()
 211             #else:
 212                 #if pthread_kill(ThreadId): <- from C++
 213                 #   return 0
 214                 #else:
 215                 #   MESSAGE()
 216         return 1
 217
 218     #-------------------------------------------------------------------------
 219
 220     def Kill_impl(self):
 221         MESSAGE(  "SALOME_ComponentPy_i::Kill_impl" )
 222         RetVal = 0
 223         if self._ThreadId > 0 & self._ThreadId != get_ident():
 224             RetVal = Killer(self._ThreadId,0)
 225             self._ThreadId = 0
 226         return RetVal
 227
 228     #-------------------------------------------------------------------------
 229
 230     def Stop_impl(self):
 231         MESSAGE(  "SALOME_ComponentPy_i::Stop_impl" )
 232         RetVal = 0
 233         if self._ThreadId > 0 & self._ThreadId != get_ident():
 234             RetVal = Killer(self._ThreadId,0)
 235             self._ThreadId = 0
 236         return RetVal
 237
 238     #-------------------------------------------------------------------------
 239
 240     def Suspend_impl(self):
 241         MESSAGE(  "SALOME_ComponentPy_i::Suspend_impl" )
 242         global _Sleeping
 243         RetVal = 0
 244         if self._ThreadId > 0 & self._ThreadId != get_ident():
 245             if _Sleeping > 0:
 246                 return 0
 247             else:
 248                 RetVal = Killer(self._ThreadId, signal.SIGINT)
 249                 if RetVal > 0:
 250                     _Sleeping = 1
 251         return RetVal
 252
 253     #-------------------------------------------------------------------------
 254
 255     def Resume_impl(self):
 256         MESSAGE(  "SALOME_ComponentPy_i::Resume_impl" )
 257         global _Sleeping
 258         RetVal = 0
 259         if self._ThreadId > 0 & self._ThreadId != get_ident():
 260             if _Sleeping > 0:
 261                 _Sleeping = 0
 262                 RetVal = 1
 263             else:
 264                 RetVal = 0
 265         return RetVal
 266
 267     #-------------------------------------------------------------------------
 268
 269     def CpuUsed_impl(self):
 270         if ( self._ThreadId | self._Executed ) :
 271             if self._ThreadId == get_ident() :
 272                 cpu = time.clock()
 273                 self._ThreadCpuUsed = int(cpu) - self._StartUsed
 274                 MESSAGE( "SALOME_ComponentPy_i::CpuUsed_impl " + self._serviceName + " " + str( int(cpu) ) + " - " + str( self._StartUsed ) + " = " + str( self._ThreadCpuUsed ) )
 275                 return self._ThreadCpuUsed
 276             MESSAGE( "SALOME_ComponentPy_i::CpuUsed_impl " + self._serviceName + " " + str( self._ThreadCpuUsed ) )
 277             return self._ThreadCpuUsed
 278         MESSAGE( "SALOME_ComponentPy_i::CpuUsed_impl self._StartUsed " + self._serviceName + " " + str(self._StartUsed) )
 279         return 0
 280
 281     #-------------------------------------------------------------------------
 282
 283     def DumpPython(self, theStudy, isPublished):
 284         aBuffer = "def RebuildData(theStudy): pass\n\0"
 285         return (aBuffer, 1)
 286
 287     #-------------------------------------------------------------------------
 288
 289     def getStudyId(self):
 290         return self._studyId
 291
 292     #-------------------------------------------------------------------------
 293
 294     def hasObjectInfo(self):
 295         return 0
 296
 297     #-------------------------------------------------------------------------
 298
 299     def getObjectInfo(self, studyId, entry):
 300         return ""
 301