def closeExecutor(self, procId):
LOG("Requested closing executor " + repr(procId))
executor = self.getExecutor(procId)
if executor is None:
raise ContextError("No such executor: " + repr(procId))
LOG("Closing executor")
executor.stop()
success = executor.waitForClose()
LOG("Executor closed (" + repr(success) + ")")
if not success:
error, reason = executor.getError()
self.notifyExecutorOperation(procId, CtxMessages.DATA_EXOP_CLOSE)
self.killExecutor(procId)
self.clearExecutor(procId)
raise ContextError("Could not close executor",
error + ":" + reason)
else:
LOG("Notifying executor close", level=LOG_PROC)
self.notifyExecutorOperation(procId, CtxMessages.DATA_EXOP_CLOSE)
self.clearExecutor(procId)
LOG("Close finished")
return
def closeExecutor(self, procId):
LOG("Requested closing executor " + repr(procId))
executor = self.getExecutor(procId)
if executor is None:
raise ContextError("No such executor: " + repr(procId))
LOG("Closing executor")
executor.stop()
success = executor.waitForClose()
LOG("Executor closed (" + repr(success) + ")")
if not success:
error,reason = executor.getError()
self.notifyExecutorOperation(procId, CtxMessages.DATA_EXOP_CLOSE)
self.killExecutor(procId)
self.clearExecutor(procId)
raise ContextError("Could not close executor",error + ":" + reason)
else:
LOG("Notifying executor close", level = LOG_PROC)
self.notifyExecutorOperation(procId, CtxMessages.DATA_EXOP_CLOSE)
self.clearExecutor(procId)
LOG("Close finished")
return
def openExecutor(self,
procId,
clientKey,
clientMode,
openMode={},
arguments=None,
condition=None,
parentId=None):
ctxInfo = Config.instance().getContextConfig(self.ctxName)
driverName = ctxInfo.getDriver()
maxProcs = int(
Config.instance().getDriverConfig(driverName).getMaxProcs())
if maxProcs > 0:
activeProcs = self.getNumActiveProcs()
if (activeProcs >= maxProcs):
raise ContextError(
"Could not launch executor. Maximum number of processes reached ("
+ str(maxProcs) + ")")
success = False
LOG("Requested opening executor " + repr(procId), level=LOG_PROC)
executor = self.createExecutor(procId)
# Update the proc id with the instance number
procId = executor.getProcId()
# Get configuration defaults for open mode and update it
#TODO: get open mode defaults from config
useOpenMode = {Automatic: False, Visible: True, Blocking: True}
useOpenMode.update(openMode)
# Set the controlling client key if the procedure is visible
if useOpenMode[Visible] == True:
clientInfo = self.getClient(clientKey)
executor.addClient(clientInfo, True)
clientInfo.addExecutor(procId)
clientInfo.setMode(clientMode)
LOG("Launching executor " + repr(procId) + " in mode " +
repr(useOpenMode),
level=LOG_PROC)
if arguments:
executor.setArguments(arguments)
if condition:
executor.setCondition(condition)
if parentId:
executor.setParent(parentId)
# Set the open mode and open the executor
executor.setOpenMode(useOpenMode)
executor.start()
success = executor.waitForOpen()
LOG("Executor launched (" + repr(success) + ")", level=LOG_PROC)
if not success:
error, reason = executor.getError()
self.notifyExecutorOperation(procId, CtxMessages.DATA_EXOP_CLOSE)
self.killExecutor(procId)
self.clearExecutor(procId)
raise ContextError("Could not launch executor",
error + ":" + reason)
else:
initialStatus = executor.getStatus()
if initialStatus == server.executor.status.ERROR:
error, reason = executor.getError()
self.notifyExecutorOperation(procId,
CtxMessages.DATA_EXOP_CLOSE)
self.killExecutor(procId)
self.clearExecutor(procId)
raise ContextError("Executor failed startup",
error + ":" + reason)
else:
pid = executor.getExecutorPid()
self.__executorsRegistry.addProcess(pid, procId)
LOG("Notifying executor open", level=LOG_PROC)
self.notifyExecutorOperation(procId,
CtxMessages.DATA_EXOP_OPEN,
clientKey, clientMode)
LOG("Open finished")
return
def openExecutor(self, procId, clientKey, clientMode, openMode = {},
arguments = None, condition = None, parentId = None):
ctxInfo = Config.instance().getContextConfig(self.ctxName)
driverName = ctxInfo.getDriver()
maxProcs = int(Config.instance().getDriverConfig(driverName).getMaxProcs())
if maxProcs>0:
activeProcs = self.getNumActiveProcs()
if (activeProcs >= maxProcs):
raise ContextError("Could not launch executor. Maximum number of processes reached (" + str(maxProcs) + ")")
success = False
LOG("Requested opening executor " + repr(procId), level = LOG_PROC)
executor = self.createExecutor(procId)
# Update the proc id with the instance number
procId = executor.getProcId()
# Get configuration defaults for open mode and update it
#TODO: get open mode defaults from config
useOpenMode = {Automatic:False,Visible:True,Blocking:True}
useOpenMode.update(openMode)
# Set the controlling client key if the procedure is visible
if useOpenMode[Visible] == True:
clientInfo = self.getClient(clientKey)
executor.addClient(clientInfo, True)
clientInfo.addExecutor(procId)
clientInfo.setMode(clientMode)
LOG("Launching executor " + repr(procId) + " in mode " + repr(useOpenMode), level = LOG_PROC)
if arguments:
executor.setArguments(arguments)
if condition:
executor.setCondition(condition)
if parentId:
executor.setParent(parentId)
# Set the open mode and open the executor
executor.setOpenMode(useOpenMode)
executor.start()
success = executor.waitForOpen()
LOG("Executor launched (" + repr(success) + ")", level = LOG_PROC)
if not success:
error,reason = executor.getError()
self.notifyExecutorOperation(procId, CtxMessages.DATA_EXOP_CLOSE)
self.killExecutor(procId)
self.clearExecutor(procId)
raise ContextError("Could not launch executor",error + ":" + reason)
else:
initialStatus = executor.getStatus()
if initialStatus == server.executor.status.ERROR:
error,reason = executor.getError()
self.notifyExecutorOperation(procId, CtxMessages.DATA_EXOP_CLOSE)
self.killExecutor(procId)
self.clearExecutor(procId)
raise ContextError("Executor failed startup",error + ":" + reason)
else:
pid = executor.getExecutorPid()
self.__executorsRegistry.addProcess(pid,procId)
LOG("Notifying executor open", level = LOG_PROC)
self.notifyExecutorOperation(procId, CtxMessages.DATA_EXOP_OPEN, clientKey, clientMode)
LOG("Open finished")
return