def __init__(self, warmStart=False):
self.openContexts = {}
self.buffer = Queue(1)
self.GUI_Operations = GUIOperations(self)
# Obtain the list of available contexts from cfg file
self.contexts = Config.instance().getAvailableContexts()
# Update the context status map (all available)
for ctx in self.contexts:
self.contextPorts[ctx] = 0
self.contextStatus[ctx] = LstMessages.DATA_CTX_AVAILABLE
self.__ctxIFC = IPCinterfaceServer("LST-CTX")
self.__guiIFC = IPCinterfaceServer("LST-GUI")
self.__clientLock = thread.allocate_lock()
self.__ctxLock = thread.allocate_lock()
self.__contextRegistry = ProcessRegistry("LST", warmStart)
def __init__(self, ctxName, listenerPort, warmStart=False):
LOG("Created context", level=LOG_INIT)
self.ctxName = ctxName
self.port = None
self.__executorInstanceNumbers = {}
self.__executorManagers = {}
self.__clientInfo = {}
self.GUI_Operations = GUIOperations(self)
self.LST_Operations = LSTOperations(self)
self.EXC_Operations = EXCOperations(self)
self.__guiIFC = IPCinterfaceServer("CTX-GUI")
self.__lstIFC = IPCinterfaceClient("CTX-LST")
self.listenerPort = listenerPort
self.__clientLock = thread.allocate_lock()
self.__execLock = thread.allocate_lock()
self.__closeLock = Queue.Queue(1)
self.__executorsRegistry = ProcessRegistry("CTX_" + ctxName, warmStart)
def killContext(self, contextName):
contextKey = self.contextKeys[contextName]
LOG("Killing context '" + contextName + "':" + repr(contextKey),
level=LOG_PROC)
self.__ctxIFC.disconnect(contextKey, eoc=False)
ProcessManager.instance().killProcess(contextName)
LOG("Context killed", level=LOG_PROC)
self.contextStatus[contextName] = LstMessages.DATA_CTX_AVAILABLE
self.clearContext(contextName)
# Now kill all associated executors
try:
registry = ProcessRegistry("CTX_" + contextName, True)
executors = registry.getProcesses()
for ex in executors:
LOG("Killing child executor " + str(ex))
ProcessManager.instance().killPID(ex.getPID())
registry.removeProcess(ex.getName())
except BaseException, ex:
LOG(
"Unable to kill associated executors in context " +
contextName + ": " + str(ex), LOG_ERROR)