def execConnectionLost(self, key):
if not self.__ready: return
LOG(
"Executor manager lost connection with executor: " +
repr(self.__procId), LOG_WARN)
self.__execStatus = server.executor.status.ERROR
# Notify error to clients
msg = MessageClass()
msg.setReceiver(key)
msg = MsgHelper.createError(
MSG_TYPE_ERROR, msg, "Execution aborted",
" lost connection with executor " + repr(self.__procId))
msg[ExcMessages.FIELD_PROC_ID] = self.__procId
msg[FIELD_FATAL] = "True"
# Notify my clients
clientList = self.getClients()
if self.getParent() is not None:
clientList += [self.getParent()]
self.messageToClients(msg, clientList)
# Notify the rest of clients
self.__context.notifyExecutorOperation(self.__procId,
CtxMessages.DATA_EXOP_CRASH)
#Remove process instance from the ProcessManager
ProcessManager.instance().removeProcess(self.__procId)
self.__ready = False
def execConnectionLost(self, key):
if not self.__ready:
return
LOG("Executor manager lost connection with executor: " + repr(self.__procId), LOG_WARN)
self.__execStatus = server.executor.status.ERROR
# Notify error to clients
msg = MessageClass()
msg.setReceiver(key)
msg = MsgHelper.createError(
MSG_TYPE_ERROR, msg, "Execution aborted", " lost connection with executor " + repr(self.__procId)
)
msg[ExcMessages.FIELD_PROC_ID] = self.__procId
msg[FIELD_FATAL] = "True"
# Notify my clients
clientList = self.getClients()
if self.getParent() is not None:
clientList += [self.getParent()]
self.messageToClients(msg, clientList)
# Notify the rest of clients
self.__context.notifyExecutorOperation(self.__procId, CtxMessages.DATA_EXOP_CRASH)
# Remove process instance from the ProcessManager
ProcessManager.instance().removeProcess(self.__procId)
self.__ready = False
def __startExecutor(self):
LOG("Starting executor for procedure: '" + self.__procId + "'", level = LOG_PROC)
command = self.__execScript + " -s " + str(self.__execIFC.port)
self.__execPID = ProcessManager.instance().startProcess( self.__procId, command )
try:
# Wait until executor starts properly
self.__waitExecutorOpen()
self.__ready = True
except Exception,ex:
# Kill the process on error
ProcessManager.instance().killProcess(self.__procId)
self.setError("Unable to start executor",repr(ex))
def __waitExecutorClose(self):
# Wait until the open notification from executor arrives
# see __execProcessLogout method
LOG("Executor closed, waiting confirmation", level = LOG_PROC)
confirm = self.__execLock.get(True, STOP_TIMEOUT)
if confirm is None or confirm != self.__procId:
LOG("Did not get close confirmation on time")
self.setError("Could not get executor confirmation","Executor failed to close")
return False
LOG("Got confirmation, waiting process to finish", level = LOG_PROC)
ret = ProcessManager.instance().waitProcess( self.__procId )
LOG("Process finished with value " + str(ret))
ProcessManager.instance().removeProcess( self.__procId )
self.__contextLock.put(1)
return True
def __waitExecutorClose(self):
# Wait until the open notification from executor arrives
# see __execProcessLogout method
LOG("Executor closed, waiting confirmation", level=LOG_PROC)
confirm = self.__execLock.get(True, STOP_TIMEOUT)
if confirm is None or confirm != self.__procId:
LOG("Did not get close confirmation on time")
self.setError("Could not get executor confirmation",
"Executor failed to close")
return False
LOG("Got confirmation, waiting process to finish", level=LOG_PROC)
ret = ProcessManager.instance().waitProcess(self.__procId)
LOG("Process finished with value " + str(ret))
ProcessManager.instance().removeProcess(self.__procId)
self.__contextLock.put(1)
return True
def __startExecutor(self):
LOG("Starting executor for procedure: '" + self.__procId + "'",
level=LOG_PROC)
command = self.__execScript + " -s " + str(self.__execIFC.port)
self.__execPID = ProcessManager.instance().startProcess(
self.__procId, command)
try:
# Wait until executor starts properly
self.__waitExecutorOpen()
self.__ready = True
except Exception, ex:
# Kill the process on error
ProcessManager.instance().killProcess(self.__procId)
self.setError("Unable to start executor", repr(ex))
def execConnectionLost(self, key):
if not self.__ready: return
LOG(
"Executor manager lost connection with executor: " +
repr(self.__procId), LOG_WARN)
self.__execStatus = server.executor.status.ERROR
# Notify error to clients
msg = MessageClass()
msg.setReceiver(key)
msg = MsgHelper.createError(
MSG_TYPE_ERROR, msg, "Execution aborted",
" lost connection with executor " + repr(self.__procId))
msg[ExcMessages.FIELD_PROC_ID] = self.__procId
if self.getParent() is not None:
clientList = [self.getParent()] + self.getClients()
else:
clientList = self.getClients()
self.messageToClients(msg, clientList)
# Notify the procedure status to clients
msg = MessageClass()
data = {
ExcMessages.FIELD_PROC_ID: self.__procId,
ExcMessages.FIELD_CSP: self.__procId,
FIELD_DATA_TYPE: ExcMessages.DATA_TYPE_STATUS,
ExcMessages.FIELD_EXEC_STATUS: self.__execStatus,
ExcMessages.FIELD_LINE: 0
}
msg.setProps(data)
msg.setId(MSG_TYPE_NOTIFY)
msg.setType(MSG_TYPE_NOTIFY)
self.messageToClients(msg, clientList)
#Remove process instance from the ProcessManager
ProcessManager.instance().removeProcess(self.__procId)
self.__ready = False
def execConnectionLost(self,key):
if not self.__ready: return
LOG("Executor manager lost connection with executor: " + repr(self.__procId), LOG_WARN)
self.__execStatus = server.executor.status.ERROR
# Notify error to clients
msg = MessageClass()
msg.setReceiver(key)
msg = MsgHelper.createError(MSG_TYPE_ERROR, msg, "Execution aborted",
" lost connection with executor " + repr(self.__procId))
msg[ExcMessages.FIELD_PROC_ID] = self.__procId
if self.getParent() is not None:
clientList = [self.getParent()] + self.getClients()
else:
clientList = self.getClients()
self.messageToClients(msg, clientList)
# Notify the procedure status to clients
msg = MessageClass()
data = { ExcMessages.FIELD_PROC_ID: self.__procId,
ExcMessages.FIELD_CSP: self.__procId,
FIELD_DATA_TYPE: ExcMessages.DATA_TYPE_STATUS,
ExcMessages.FIELD_EXEC_STATUS: self.__execStatus,
ExcMessages.FIELD_LINE: 0 }
msg.setProps(data)
msg.setId(MSG_TYPE_NOTIFY)
msg.setType(MSG_TYPE_NOTIFY)
self.messageToClients(msg, clientList)
#Remove process instance from the ProcessManager
ProcessManager.instance().removeProcess( self.__procId )
self.__ready = False
def __closeExecutor(self, force):
if not self.__ready or force:
# When forcing
self.__ready = False
self.__execIFC.disconnect(eoc=False)
ProcessManager.instance().killProcess(self.__procId)
LOG("Executor closed (force=True)", level=LOG_PROC)
return
# Send the close command to the executor
msg = MsgHelper.createMessage(ExcMessages.CMD_CLOSE)
msg[ExcMessages.FIELD_PROC_ID] = self.__procId
msg.setSender("CTX")
msg.setReceiver(self.__procId)
LOG("Send close command to executor " + self.__procId, level=LOG_COMM)
self.__execIFC.sendMessage(msg, self.__execKey)
try:
# Wait until executor stops properly
self.__waitExecutorClose()
except Exception, ex:
# Remove the process from process manager
LOG("Unable to close executor (" + repr(ex) + "), killing it")
ProcessManager.instance().killProcess(self.__procId)
self.setError("Unable to stop executor", repr(ex))
def __closeExecutor(self, force):
if not self.__ready or force:
# When forcing
self.__ready = False
self.__execIFC.disconnect( eoc = False )
ProcessManager.instance().killProcess(self.__procId)
LOG("Executor closed (force=True)", level = LOG_PROC)
return
# Send the close command to the executor
msg = MsgHelper.createMessage(ExcMessages.CMD_CLOSE)
msg[ExcMessages.FIELD_PROC_ID] = self.__procId
msg.setSender("CTX")
msg.setReceiver(self.__procId)
LOG("Send close command to executor " + self.__procId, level = LOG_COMM )
self.__execIFC.sendMessage(msg,self.__execKey)
try:
# Wait until executor stops properly
self.__waitExecutorClose()
except Exception,ex:
# Remove the process from process manager
LOG("Unable to close executor (" + repr(ex) + "), killing it")
ProcessManager.instance().killProcess(self.__procId)
self.setError("Unable to stop executor",repr(ex))
