3 # SALOME Container : implementation of container and engine for Kernel
5 # Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
6 # CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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.
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.
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
22 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
26 # File : SALOME_ContainerPy.py
27 # Author : Paul RASCLE, EDF
34 import omnipatch # PAL10310
35 from omniORB import CORBA, PortableServer
37 import Engines, Engines__POA
38 from SALOME_NamingServicePy import *
39 from SALOME_ComponentPy import *
41 from SALOME_utilities import *
42 from Utils_Identity import getShortHostName
44 #=============================================================================
46 #define an implementation of the container interface
48 class SALOME_ContainerPy_i (Engines__POA.Container):
52 _listInstances_map = {}
54 #-------------------------------------------------------------------------
56 def __init__(self, orb, poa, containerName):
57 MESSAGE( "SALOME_ContainerPy_i::__init__" )
60 myMachine=getShortHostName()
61 Container_path = "/Containers/" + myMachine + "/" + containerName
62 #self._containerName = containerName
63 self._containerName = Container_path
64 print "container name ",self._containerName
66 naming_service = SALOME_NamingServicePy_i(self._orb)
67 self._naming_service = naming_service
68 MESSAGE( str(Container_path) )
69 naming_service.Register(self._this(), Container_path)
71 #-------------------------------------------------------------------------
73 def start_impl(self, ContainerName):
74 MESSAGE( "SALOME_ContainerPy_i::start_impl " + str(ContainerName) )
75 myMachine=getShortHostName()
76 theContainer = "/Containers/" + myMachine + "/" + ContainerName
78 obj = self._naming_service.Resolve(theContainer)
81 MESSAGE( "SALOME_ContainerPy_i::start_impl " + str(ContainerName) + ".object not found in Naming Service" )
85 container = obj._narrow(Engines.Container)
87 MESSAGE( "SALOME_ContainerPy_i::start_impl " + str(containerName) + ".object exists but is not a Container" )
89 MESSAGE( "SALOME_ContainerPy_i::start_impl " + str(ContainerName) + ".object found without new launch" )
91 #shstr = os.getenv( "PWD" ) + "/"
92 #shstr += "runSession ./SALOME_ContainerPy.py "
93 shstr = os.getenv("KERNEL_ROOT_DIR") + "/bin/salome/SALOME_ContainerPy.py ";
94 #shstr = "runSession SALOME_ContainerPy.py "
95 shstr += ContainerName
97 # mpv: fix for SAL4731 - allways create new file to write log of server
101 fileName = "/tmp/"+ContainerName+"_%i.log"%num
102 if not os.path.exists(fileName):
112 #shstr += ContainerName
113 #shstr += ".log 2>&1 &"
115 MESSAGE( "SALOME_ContainerPy_i::start_impl " + "os.system(" + str(shstr) + ")" )
118 while container is None :
121 MESSAGE( str(count) + ". Waiting for " + str(theContainer) )
123 obj = self._naming_service.Resolve(theContainer)
129 container = obj._narrow(Engines.Container)
130 if container is None:
131 MESSAGE( str(containerName) + ".object exists but is not a Container" )
136 #-------------------------------------------------------------------------
138 def instance(self, nameToRegister, componentName):
139 MESSAGE( "SALOME_ContainerPy_i::instance " + str(nameToRegister) + ' ' + str(componentName) )
140 self._numInstance = self._numInstance +1
141 instanceName = nameToRegister + "_inst_" + `self._numInstance`
143 component=__import__(componentName)
144 factory=getattr(component,componentName)
145 comp_i=factory(self._orb, self._poa, self._this(), self._containerName,
146 instanceName, nameToRegister)
148 MESSAGE( "SALOME_ContainerPy_i::instance : component created")
149 comp_o = comp_i._this()
152 #-------------------------------------------------------------------------
154 def load_impl(self, nameToRegister, componentName):
155 MESSAGE( "SALOME_ContainerPy_i::load_impl " + str(nameToRegister) + ' ' + str(componentName) )
156 self._numInstance = self._numInstance +1
157 instanceName = nameToRegister + "_inst_" + `self._numInstance`
158 interfaceName = nameToRegister
159 the_command = "import " + nameToRegister + "\n"
160 the_command = the_command + "comp_i = " + nameToRegister + "." + nameToRegister
161 the_command = the_command + "(self._orb, self._poa, self._this(), self._containerName, instanceName, interfaceName)\n"
162 MESSAGE( "SALOME_ContainerPy_i::load_impl :" + str (the_command) )
164 comp_o = comp_i._this()
167 #-------------------------------------------------------------------------
169 def import_component(self, componentName):
170 MESSAGE( "SALOME_Container_i::import_component" )
173 print "try import ",componentName
174 __import__(componentName)
175 print "import ",componentName," successful"
179 traceback.print_exc()
180 print "import ",componentName," not possible"
183 #-------------------------------------------------------------------------
185 def load_component_Library(self, componentName):
186 MESSAGE( "SALOME_ContainerPy_i::load_component_Library " + str(componentName) )
188 instanceName = componentName + "_inst_" + `self._numInstance`
189 interfaceName = componentName
190 #the_command = "import " + componentName + "\n"
191 #the_command = the_command + "comp_i = " + componentName + "." + componentName
192 #the_command = the_command + "(self._orb, self._poa, self._this(), self._containerName, instanceName, interfaceName)\n"
193 #MESSAGE( "SALOME_ContainerPy_i::load_component_Library :" + str (the_command) )
195 #comp_o = comp_i._this()
196 #if comp_o is not None:
199 # --- try to import Python component
200 # retImpl = self.import_component(componentName)
205 #import isn't possible
208 return self.import_component(componentName)
210 #-------------------------------------------------------------------------
212 def create_component_instance(self, componentName, studyId):
213 MESSAGE( "SALOME_ContainerPy_i::create_component_instance ==> " + str(componentName) + ' ' + str(studyId) )
215 MESSAGE( "Study ID is lower than 0!" )
218 self._numInstance = self._numInstance +1
219 instanceName = componentName + "_inst_" + `self._numInstance`
222 component=__import__(componentName)
223 factory=getattr(component,componentName)
224 comp_i=factory(self._orb,
231 MESSAGE( "SALOME_Container_i::create_component_instance : OK")
232 comp_o = comp_i._this()
233 self._listInstances_map[instanceName] = comp_i
236 traceback.print_exc()
237 MESSAGE( "SALOME_Container_i::create_component_instance : NOT OK")
240 #-------------------------------------------------------------------------
242 def find_component_instance(self, registeredName, studyId):
244 keysList = self._listInstances_map.keys()
246 while i < len(keysList):
247 instance = keysList[i]
248 if find(instance,registeredName) == 0:
249 anEngine = self._listInstances_map[instance]
250 if studyId == anEngine.getStudyId():
251 return anEngine._this()
253 return anEngine._this()
256 #-------------------------------------------------------------------------
258 def remove_impl(self, component):
259 MESSAGE( "SALOME_ContainerPy_i::remove_impl" )
260 instanceName = component._get_instanceName()
261 MESSAGE( "unload component " + str(instanceName) )
262 self._listInstances_map.remove(instanceName)
264 self._naming_service.Destroy_Name(str(instanceName))
266 #-------------------------------------------------------------------------
268 def finalize_removal(self):
269 MESSAGE( "SALOME_ContainerPy_i::finalize_removal" )
272 #-------------------------------------------------------------------------
275 MESSAGE( "SALOME_ContainerPy_i::ping() pid " + str(os.getpid()) )
278 #-------------------------------------------------------------------------
283 #-------------------------------------------------------------------------
286 MESSAGE( "SALOME_ContainerPy_i::_get_name" )
287 return self._containerName
289 #-------------------------------------------------------------------------
291 def getHostName(self):
292 MESSAGE( "SALOME_ContainerPy_i::_get_MachineName" )
293 self._machineName = "localhost"
294 return self._machineName
296 #-------------------------------------------------------------------------
298 def _get_machineName(self):
299 MESSAGE( "SALOME_ContainerPy_i::_get_MachineName" )
300 self._machineName = "localhost"
301 return self._machineName
303 #-------------------------------------------------------------------------
306 self._orb.shutdown(0)
309 #=============================================================================
311 #initialise the ORB and find the root POA
312 orb = CORBA.ORB_init(sys.argv, CORBA.ORB_ID)
313 poa = orb.resolve_initial_references("RootPOA")
315 #create an instance of SALOME_ContainerPy_i and a Container reference
316 #containerName = "FactoryServerPy"
317 MESSAGE( str(sys.argv) )
318 containerName = sys.argv[1]
319 cpy_i = SALOME_ContainerPy_i(orb, poa, containerName)
320 cpy_o = cpy_i._this()
323 poaManager = poa._get_the_POAManager()
324 poaManager.activate()