def __init__(self):
self.uiSocketServer = socket(AF_INET, SOCK_STREAM)
self.uiSocketServer.bind(('0.0.0.0', 12347))
self.uiSocketServer.listen(5)
self.ctlChannel = ServerControl()
self.ctlChannel.Start()
self.stop = False
self.typeID = -1
def test_start_EDNA_server(self):
# Read test data - note that this depends on the system
strPathToConfigFile = "../config/%s.xml" % socket.gethostname()
if not os.path.exists(strPathToConfigFile):
raise BaseException("Cannot find configuration file: %s" % strPathToConfigFile)
print "Using configuration file: %s" % os.path.abspath(strPathToConfigFile)
with open(strPathToConfigFile) as f:
strXmlConfig = f.read()
config = DASConfig.parseString(strXmlConfig)
serverControl = ServerControl()
serverControl.startServer(config.EDNA)
def init_device(self):
self.get_device_properties(self.get_device_class())
# To make sure we get events without polling
self.set_change_event("State", True, False)
self.set_change_event("jobSuccess", True, False)
self.set_change_event("jobFailure", True, False)
self.set_change_event("dataAnalysisInformation", True, False)
# Get configuration from Tango properties
self._config = self.loadConfig()
# Start the state machine
#self._dasStateMachine = DASStateMachine(self)
#self._dasStateMachine.start()
#self._serverControl = ServerControl()
self._serverControl = ServerControl(_logger_method=self.debug_stream)
self.startRemoteServers()
self.push_change_event("State", self.get_state())
def main():
server = ServerControl()
server.Start()
try:
while True:
command = raw_input("command:")
if command == "end":
server.Stop()
break
elif command == "help":
print "end: stop the server"
print "help: show this message"
pass
elif command == "setratio":
ratioStr = raw_input("ratio is:")
ratio = float(ratioStr)
server.SetRatio(ratio)
except KeyboardInterrupt:
server.Stop()
class ServerBackend(object):
def __init__(self):
self.uiSocketServer = socket(AF_INET, SOCK_STREAM)
self.uiSocketServer.bind(('0.0.0.0', 12347))
self.uiSocketServer.listen(5)
self.ctlChannel = ServerControl()
self.ctlChannel.Start()
self.stop = False
self.typeID = -1
def AcceptUISocket(self):
try:
while not self.stop:
rr, rw, err = select.select([self.uiSocketServer], [], [], 1)
if rr:
(uiSocket, addr) = self.uiSocketServer.accept()
print "receive one ui ", addr
oneThread = threading.Thread(target=self.DealWithUICommand, args=[uiSocket])
oneThread.start()
except KeyboardInterrupt:
pass
self.uiSocketServer.close()
self.ctlChannel.Stop()
def Stop(self):
self.stop = True
self.StopClientGenerate()
self.StopEstServer()
def StartClientGenerate(self):
print 'start client generate'
self.clientGenerate = Client()
self.clientThread = threading.Thread(target = self.clientGenerate.work, args=())
self.clientThread.start()
self.SetClientType(1)
def StartEstServer(self):
print 'start est server'
self.estServer = EstServer()
self.estServerThread = threading.Thread(target = self.estServer.listen, args=())
self.estServerThread.start()
def StopEstServer(self):
print 'stop est server'
self.estServer.stop()
self.estServerThread.join()
def StopClientGenerate(self):
print 'stop client generate'
self.clientGenerate.stop()
self.clientThread.join()
def SetClientType(self, typeID):
if self.typeID == typeID:
return
self.typeID = typeID
self.ctlChannel.typeID = typeID
if typeID == 1:
self.clientGenerate.SetParam(3, 62)
elif typeID == 2:
self.clientGenerate.SetParam(3.3, 72)
else:
self.clientGenerate.SetParam(3.6, 95)
def DealWithUICommand(self, uiSocket):
while True:
command = RecvFixLen(uiSocket, 1)
command = struct.unpack("!B", command)[0]
if command == GetFreeDataChannel:
print "get free data channel"
number = self.ctlChannel.GetFreeDataChannelNumber()
content = struct.pack("!BB", GiveFreeDataChannel, number)
elif command == GetAllActiveClient:
print " get all active client"
clients = self.ctlChannel.clients
print clients
reqNumber = 0
content = ''
for clientMac, client in clients.items():
for reqID, req in client.reqs.items():
reqNumber += 1
content += struct.pack("!BIf", clientMac, reqID, req.allocFreqWidth)
content = struct.pack("!BI", GiveAllActiveClient, reqNumber) + content
elif command == GetOneActiveClient:
print "Get One Active Client"
content = RecvFixLen(uiSocket, 5)
(mac, reqID) = struct.unpack("!BI", content)
client = self.ctlChannel.GetOneClient(mac)
if client != None:
req = client.GetOneReq(reqID)
if req != None:
content = struct.pack("!Bff", mac, req.midFreq, allocFreqWidth)
else:
content = struct.pack("!B", Error)
else:
content = struct.pack("!B", Error)
elif command == GetClientGenerateInfoCom:
print 'get client generate info'
(averageSerTime, inputrate) = (1.0/self.clientGenerate.serviceTimeLamb, self.clientGenerate.inputTimeLamb)
content = struct.pack("!Bff", GiveClientGenerateInfoCom, averageSerTime, inputrate)
elif command == GetEstParam:
print "Get est param"
(averageServiceTime, inputrate) = (self.estServer.est_serviceTime, self.estServer.est_lambda)
content = struct.pack("!Bff", GiveEstParam, averageServiceTime, inputrate)
elif command == SetClientParam:
print "Set client param"
content = RecvFixLen(uiSocket, 1)
typeID = struct.unpack("!B", content)[0]
self.SetClientType(typeID)
content = ''
elif command == GetServerInfoCom:
print "get server info"
(maxFreq, freeFreq, nowSatis, activeNum, servedNum) = self.estServer.GetServerInfo()
content = struct.pack("!BfffIII", GiveServerInfoCom, maxFreq, freeFreq, nowSatis, activeNum, servedNum, self.typeID)
elif command == End:
break
else:
content = struct.pack("!B", Error)
if len(content) > 0:
uiSocket.send(content)
def test_isLocalHost(self):
serverControl = ServerControl()
strLocalHost = socket.gethostname()
self.assertTrue(serverControl.isLocalHost(strLocalHost), "Host is localhost")
self.assertTrue(serverControl.isLocalHost(strLocalHost+".esrf.fr"), "Host + .esrf.fr is localhost")
class DAS(PyTango.Device_4Impl):
#--------- Add you global variables here --------------------------
#------------------------------------------------------------------
# Device constructor
#------------------------------------------------------------------
def __init__(self, cl, name):
PyTango.Device_4Impl.__init__(self, cl, name)
DAS.init_device(self)
#------------------------------------------------------------------
# Device initialization
#------------------------------------------------------------------
def init_device(self):
self.get_device_properties(self.get_device_class())
# To make sure we get events without polling
self.set_change_event("State", True, False)
self.set_change_event("jobSuccess", True, False)
self.set_change_event("jobFailure", True, False)
self.set_change_event("dataAnalysisInformation", True, False)
# Get configuration from Tango properties
self._config = self.loadConfig()
# Start the state machine
#self._dasStateMachine = DASStateMachine(self)
#self._dasStateMachine.start()
#self._serverControl = ServerControl()
self._serverControl = ServerControl(_logger_method=self.debug_stream)
self.startRemoteServers()
self.push_change_event("State", self.get_state())
#------------------------------------------------------------------
# Device destructor
#------------------------------------------------------------------
def delete_device(self):
self.debug_stream("[Device delete_device method] for device", self.get_name())
#------------------------------------------------------------------
# Always excuted hook method
#------------------------------------------------------------------
def always_executed_hook(self):
#self.debug_stream("In ", self.get_name(), "::always_excuted_hook()")
pass
#------------------------------------------------------------------
# jobFailure command:
#
# Description:
# argin: DevString jobId
# argout: None
#------------------------------------------------------------------
def jobFailure(self, argin):
self.debug_stream("In ", self.get_name(), "::jobFailure()")
# Sometimes argin can be None...
if argin is None:
self.debug_stream("argin is None")
else:
self.debug_stream(" argin is ", argin)
# And sometimes even argin.attr_value can be None!
if argin.attr_value is None:
self.debug_stream("argin.attr_value is None")
elif argin.attr_value.value is None:
self.debug_stream("argin.attr_value.value is None")
else:
self.push_change_event("jobFailure", argin.attr_value.value)
self.push_change_event("dataAnalysisInformation", [argin.attr_value.value, "failure"])
#------------------------------------------------------------------
# jobSuccess command:
#
# Description:
# argin: DevString jobId
# argout: None
#------------------------------------------------------------------
def jobSuccess(self, argin):
self.debug_stream("In ", self.get_name(), "::jobSuccess()")
# Sometimes argin can be None...
if argin is None:
self.debug_stream("argin is None")
else:
self.debug_stream(" argin is ", argin)
# And sometimes even argin.attr_value can be None!
if argin.attr_value is None:
self.debug_stream("argin.attr_value is None")
elif argin.attr_value.value is None:
self.debug_stream("argin.attr_value.value is None")
else:
self.push_change_event("jobSuccess", argin.attr_value.value)
self.push_change_event("dataAnalysisInformation", [argin.attr_value.value, "success"])
#---- JobFailure attribute State Machine -----------------
def is_JobFailure_allowed(self, req_type):
if self.get_state() in [PyTango.DevState.OFF, PyTango.DevState.FAULT]:
# End of Generated Code
# Re-Start of Generated Code
return False
return True
#------------------------------------------------------------------
# Read JobFailure attribute
#------------------------------------------------------------------
def read_JobFailure(self, attr):
self.debug_stream("In ", self.get_name(), "::read_JobFailure()")
# Add your own code here
attr_JobFailure_read = "Hello Tango world"
attr.set_value(attr_JobFailure_read)
#---- JobSuccess attribute State Machine -----------------
def is_JobSuccess_allowed(self, req_type):
if self.get_state() in [PyTango.DevState.OFF, PyTango.DevState.FAULT]:
# End of Generated Code
# Re-Start of Generated Code
return False
return True
#------------------------------------------------------------------
# Read JobSuccess attribute
#------------------------------------------------------------------
def read_JobSuccess(self, attr):
self.debug_stream("In ", self.get_name(), "::read_JobSuccess()")
# Add your own code here
attr_JobSuccess_read = "Hello Tango world"
attr.set_value(attr_JobSuccess_read)
#------------------------------------------------------------------
# Read Attribute Hardware
#------------------------------------------------------------------
def read_attr_hardware(self, data):
self.debug_stream("In ", self.get_name(), "::read_attr_hardware()")
def getConfig(self):
return self._config
def loadConfig(self):
db = PyTango.Database()
listXmlConfig = db.get_device_property(self.get_name(), "Config")["Config"]
#self.debug_stream(listXmlConfig, type(listXmlConfig))
config = None
if len(listXmlConfig) == 0:
self.debug_stream("ERROR! No property 'Config' defined in Tango data base for device server %s" % self.get_name())
sys.exit(1)
try:
# Convert list of lines to one string
strXmlConfig = ''.join(listXmlConfig)
config = DASConfig.parseString(strXmlConfig)
#self.debug_stream(config.marshal())
except Exception:
self.debug_stream("ERROR! Exception caught when trying to unmarshal config XML for server %s" % self.get_name())
self.debug_stream("Config XML:")
self.debug_stream(strXmlConfig)
raise
return config
#==================================================================
#
# DAS read/write attribute methods
#
#==================================================================
#------------------------------------------------------------------
# Read jobSuccess attribute
#------------------------------------------------------------------
def read_jobSuccess(self, attr):
self.debug_stream("In ", self.get_name(), "::read_jobSuccess()")
# Add your own code here
attr_jobSuccess_read = "Hello Tango world"
attr.set_value(attr_jobSuccess_read)
#------------------------------------------------------------------
# Read jobFailure attribute
#------------------------------------------------------------------
def read_jobFailure(self, attr):
self.debug_stream("In ", self.get_name(), "::read_jobFailure()")
# Add your own code here
attr_jobFailure_read = "Hello Tango world"
attr.set_value(attr_jobFailure_read)
#------------------------------------------------------------------
# Read dataAnalysisInformation attribute
#------------------------------------------------------------------
def read_dataAnalysisInformation(self, attr):
self.debug_stream("In ", self.get_name(), "::read_dataAnalysisInformation()")
# Add your own code here
attr_dataAnalysisInformation_read = ["No job launched yet", "failure"]
attr.set_value(attr_dataAnalysisInformation_read)
#---- dataAnalysisInformation attribute State Machine -----------------
def is_dataAnalysisInformation_allowed(self, req_type):
if self.get_state() in [PyTango.DevState.OFF,
PyTango.DevState.FAULT]:
# End of Generated Code
# Re-Start of Generated Code
return False
return True
#==================================================================
#
# DAS command methods
#
#==================================================================
#------------------------------------------------------------------
# State command:
#
# Description: This command gets the device state (stored in its <i>device_state</i> data member) and returns it to the caller.
#
# argout: DevState State Code
#------------------------------------------------------------------
def dev_state(self):
#self.debug_stream("In ", self.get_name(), "::dev_state() = " , self.get_state())
# Add your own code here
if not self._serverControl.checkServer(self._config.EDNA.tangoDevice):
# trick - only restart the server if the server has already been detected down
# this will happen the second time dev_state()
if self.get_state() == PyTango.DevState.OFF:
self.startRemoteServers(_serverToStart="EDNA")
else:
self.set_state(PyTango.DevState.OFF)
if self._config.Workflow is not None:
if not self._serverControl.checkServer(self._config.Workflow.tangoDevice):
# trick - same trick as above
if self.get_state() == PyTango.DevState.OFF:
self.startRemoteServers(_serverToStart="Workflow")
else:
self.set_state(PyTango.DevState.OFF)
argout = self.get_state()
return argout
#------------------------------------------------------------------
# Status command:
#
# Description: This command gets the device status (stored in its <i>device_status</i> data member) and returns it to the caller.
#
# argout: ConstDevString Status description
#------------------------------------------------------------------
def dev_status(self):
self.debug_stream("In ", self.get_name(), "::dev_status()")
self.the_status = self.get_status()
# Add your own code here
self.set_status(self.the_status)
return self.the_status
#------------------------------------------------------------------
# startJob command:
#
# Description:
# argin: DevVarStringArray [<Module to execute>,<XML input>]
# argout: DevString job id
#------------------------------------------------------------------
def startJob(self, argin):
self.debug_stream("In ", self.get_name(), "::startJob()")
#self._config = self.loadConfig()
self.debug_stream("argin = ", argin)
try:
argout = self._ednaClient.startJob(argin)
except Exception, e:
self.debug_stream("ERROR in startJob! ", type(e))
# TODO: Restart EDNA server
raise
self.debug_stream("argout = ", argout)
return argout
