def run(self):
name = self.getName()
logger.info('%s started!'%name)
while True:
try:
operation = self.queue.get()
if operation == FINISH_FLAG:
logger.info('%s stoped!'%name)
break
try:
PluginManager.process(operation)
except Exception, err:
logger.error('Processing operation %s failed! Details: %s.\
\nInput parameters: session_id=%s, node=%s, parameters=%s'%
(operation.operation_name, err, operation.session_id,
operation.node, operation.parameters))
op_args = Dictionary(signature='ss')
op_args.update(operation.parameters)
self.dbus_client.operationProcessedEvent(str(operation.session_id), str(operation.node),
str(operation.operation_name), op_args)
except Exception, err:
logger.error('%s failed: %s'%(name, err))
def onDataReceive( self, json_object ):
#get session_id
session_id = json_object.get('id', None)
if session_id is None:
raise Exception('Element <id> is not found in FRI packet!')
try:
session_id = int(session_id)
except:
raise Exception('Session is should be integer! But: %s'%session_id)
if session_id == 0: #LIVE packet
return
#get node
node = json_object.get('node', None)
if not node:
raise Exception('Element <node> is not found in FRI packet!')
node = node.strip()
#get operation
operation = json_object.get('operation', None)
if not operation:
raise Exception('Element <operation> is not found in FRI packet')
operation = operation.strip()
#get parameters
parameters = json_object.get('parameters', None)
#send message to D-BUS
op_args = Dictionary(signature='ss')
op_args.update(parameters)
self.dbus_client.operationReceivedEvent(str(session_id), str(node), str(operation), op_args)
#check appropriate plugin
can_process = PluginManager.can_process_operation( operation )
if not can_process:
raise Exception('NodeAgent can not process operation %s. No appropriate plugin found!'%operation)
op = Operation(session_id, node, operation, parameters)
self.__operations_queue.put(op)
time.sleep(.2)
self.updateOperationProgress(30, ret_message='step2 processed!')
time.sleep(.3)
self.updateOperationProgress(80, ret_message='step3 processed!')
ret = parameters['test1']
time.sleep(.1)
self.updateOperationProgress(100, ret_message='all steps are processed!')
except Exception, err:
self.updateOperationProgress(88, ret_message='Error: %s'%err, ret_code=324)
print 'PROCESSED'
from blik.nodeAgent import plugins
plugins.OPERATIONS_PLUGINS['TEST_OPERATION'] = TestPlugin
PluginManager.init()
from blik.utils import friBase
from blik.nodeAgent.nodeAgent import NodeAgent
class FarnsworthSimulator(friBase.FriServer):
def __init__(self):
friBase.FriServer.__init__(self, workers_count=1)
def onDataReceive( self, json_object ):
print 'FARNSWOTH RECEIVED: ', json_object
def check_key(key):
if not json_object.has_key(key):
print 'ERROR: element <%s> is not found!'%key
check_key('id')
