def AskBackhaulBids(self, serviceId):
messageAsk = Message('')
messageAsk.setMethod(Message.GET_BEST_BIDS)
messageAsk.setParameter('Provider', self._list_vars['strId'])
messageAsk.setParameter('Service', serviceId)
messageResult = self.sendMessageMarketBuy(messageAsk)
if messageResult.isMessageStatusOk():
document = self.removeIlegalCharacters(messageResult.getBody())
try:
dom = xml.dom.minidom.parseString(document)
return self.handleBestBids(dom)
except Exception as e:
raise FoundationException(str(e))
else:
raise FoundationException("Best bids not received")
def receive_purchase_feedback(self, message):
self.lock.acquire()
try:
logger.debug('Initiating Receive Purchase feedback Agent:%s', str(self._list_args['Id']))
agent_type = self._list_args['Type']
if (( agent_type.getType() == AgentType.PROVIDER_ISP)
or ( agent_type.getType() == AgentType.PROVIDER_BACKHAUL)
or ( agent_type.getType() == AgentType.PRESENTER_TYPE)):
period = int(message.getParameter("Period"))
self._list_args['Current_Period'] = period
document = self.removeIlegalCharacters(message.getBody())
#print document
dom = xml.dom.minidom.parseString(document)
# receive purchase statistics
purchaseXmlNodes = dom.getElementsByTagName("Receive_Purchases")
for purchaseXmlNode in purchaseXmlNodes:
self.handleReceivePurchases(period, purchaseXmlNode)
# After receiving the purchase information the provider can
# start to create new bids.
if (( agent_type.getType() == AgentType.PROVIDER_ISP)
or (agent_type.getType() == AgentType.PROVIDER_BACKHAUL)):
self._list_args['State'] = AgentServerHandler.BID_PERMITED
logger.debug('Receive Purchase feedback - Agent:%s Period: %s ', str(self._list_args['Id']), str(self._list_args['Current_Period'] ))
except Exception as e:
raise FoundationException(str(e))
finally:
if self.testThread == True:
time.sleep(2)
self.lock.release()
def receive_bid_information(self, message):
self.lock.acquire()
if self.testThread == True:
logger.debug('Acquire the lock')
try:
logger.debug('Initiating competitor bid information - Agent:%s', str(self._list_args['Id']) )
agent_type = self._list_args['Type']
if (( agent_type.getType() == AgentType.PROVIDER_ISP) or
(agent_type.getType() == AgentType.PROVIDER_BACKHAUL) or
(agent_type.getType() == AgentType.PRESENTER_TYPE)):
period = int(message.getParameter("Period"))
period = period - 1 # The server sends the information tagged with the next period.
# TODO: Change the Market Place Server to send the correct period.
document = self.removeIlegalCharacters(message.getBody())
logger.info('Period' + str(period) + 'bid document' + str(document))
dom = xml.dom.minidom.parseString(document)
competitorsXmlNodes = dom.getElementsByTagName("New_Bids")
for competitorsXmlNode in competitorsXmlNodes:
self.handleCompetitorBids(period, competitorsXmlNode)
logger.debug('Competitor bids Loaded Agent: %s', str(self._list_args['Id']))
except Exception as e:
logger.debug('Exception raised' + str(e) )
raise FoundationException(str(e))
finally:
if self.testThread == True:
logger.info('Going to sleep')
time.sleep(2)
logger.info('After sleep')
self.lock.release()
def create(self, typ):
if typ in self._list_classes:
targetClass = self._list_classes[typ]
return targetClass()
else:
err = 'Class' + typ + 'not found to be loaded'
raise FoundationException(err)
def test_initialization(provider):
provider.start_agent()
provider.initialize()
if ((provider._list_vars['Type']).getType() !=
AgentType.PROVIDER_BACKHAUL):
raise FoundationException(
"error in test_initialization, we are expecting a backhaul provider"
)
def handleGetService(self, document):
logger.debug('Starting get service handler Id:%s',
self._list_vars['Id'])
document = self.removeIlegalCharacters(document)
logger.debug('document:%s', document)
try:
dom = xml.dom.minidom.parseString(document)
servicesXml = dom.getElementsByTagName("Service")
if (len(servicesXml) > 1):
raise FoundationException(
"The server sent more than one service")
else:
service = Service()
for servicexml in servicesXml:
service.setFromXmlNode(servicexml)
logger.debug('Ending get service handler')
return service
except Exception as e:
raise FoundationException(str(e))
logger.debug('Ending get service handler Id:%s', self._list_vars['Id'])
def getServices(self):
logger.debug('Starting get services Id:%s', self._list_vars['Id'])
messageAsk = Message('')
messageAsk.setMethod(Message.GET_SERVICES)
messageResult = self.sendMessageClock(messageAsk)
if messageResult.isMessageStatusOk():
return self.handleGetServices(messageResult.getBody())
else:
raise FoundationException(
'Services not received! Communication failed')
logger.debug('Ending get services Id:%s', self._list_vars['Id'])
def getExecutionCount(cursor):
executionCount = 0
sql = "select execution_count from Network_Simulation.simulation_generalparameters limit 1"
cursor.execute(sql)
results = cursor.fetchall()
for row in results:
executionCount = int(row[0])
break
if (executionCount == 0):
raise FoundationException("execution count not defined")
return executionCount
def getEvaluation(self, variableValue):
# Verifies existance of all parameters.
parameters = self.getParameters()
for parameter in parameters:
name = parameters[parameter]
if name not in self._parameters.keys():
raise FoundationException(
'parameter for cost evaluation not found' + name)
a = self._parameters['a']
b = self._parameters['b']
return (a * math.log(variableValue + 1)) + b
def getEvaluation(self, variableValue):
# Verifies existance of all parameters.
parameters = self.getParameters()
for parameter in parameters:
name = parameters[parameter]
if name not in self._parameters.keys():
raise FoundationException(
'parameter for cost evaluation not found' + name)
intercept = self._parameters['intercept']
slope = self._parameters['slope']
return intercept + (slope * variableValue)
def getServiceFromServer(self, serviceId):
logger.debug('Starting getServiceFromServer Id:%s',
self._list_vars['Id'])
try:
connect = Message("")
connect.setMethod(Message.GET_SERVICES)
connect.setParameter("Service", serviceId)
response = self.sendMessageClock(connect)
if (response.isMessageStatusOk()):
logger.debug('ending getServiceFromServer')
return self.handleGetService(response.getBody())
except FoundationException as e:
raise FoundationException(e.__str__())
def getServiceFromServer(self, serviceId):
logger.debug('Starting getServiceFromServer Id: %s',
self._list_vars['Id'])
try:
if (str(serviceId) not in (self._services).keys()):
service = self._agntClient.getServiceFromServer(str(serviceId))
self._services[serviceId] = service
logger.debug('Ending getServiceFromServer Id: %s',
self._list_vars['Id'])
except FoundationException as e:
logger.error('exception Id:%s - Message:%s', self._list_vars['Id'],
e.__str__())
raise FoundationException(e.__str__())
def handle_accept(self):
logger.debug('handle Accept Id: %s', self._list_args['Id'])
pair = self.accept()
if pair is not None:
logger.debug('handle Accept Id: %s address:%s port:%s', self._list_args['Id'], self._address, self._port)
sock, addr = pair
logger.debug('Incoming connection from %s', repr(addr))
string_pair = repr(addr) + repr(sock)
self._strings_received[string_pair] = ''
try:
handler = AgentServerHandler( addr, sock, self._thread_sockets, self._lock, self._testThread, self._list_args, self._strings_received)
except asyncore.ExitNow, e:
raise FoundationException(str(e))
logger.debug('Ending handle Accept Id: %s address:%s port:%s', self._list_args['Id'], self._address, self._port)
def connect(self):
try:
strID = self._list_vars['strId']
agent_type = self._list_vars['Type']
sellingAddress = self._list_vars['SellingAddres']
buyingAddress = self._list_vars['BuyingAddres']
capacityControl = self._list_vars['capacityControl']
# Connect to servers.
self._agntClient.connect_servers(agent_type, strID, sellingAddress,
buyingAddress, capacityControl)
# Request the definition of the service
except FoundationException as e:
raise FoundationException(e.__str__())
def handleGetServices(self, document):
logger.debug('Starting get service Id:%s', self._list_vars['Id'])
document = self.removeIlegalCharacters(document)
try:
dom = xml.dom.minidom.parseString(document)
servicesXml = dom.getElementsByTagName("Service")
services = {}
for servicexml in servicesXml:
service = Service()
service.setFromXmlNode(servicexml)
services[service.getId()] = service
return services
except Exception as e:
raise FoundationException(str(e))
logger.debug('Ending get service Id:%s', self._list_vars['Id'])
def handleCompetitorBids(self, period, competitorsXmlNode):
bids = competitorsXmlNode.getElementsByTagName("Bid")
try:
agent_type = self._list_args['Type']
if ( agent_type.getType() == AgentType.PRESENTER_TYPE):
logger.debug('Handle competitor bids')
self._list_args['Current_Bids'] = {}
logger.debug('clear Handle competitor bids')
for bid in bids:
logger.debug('We are inside the bid loop')
competitor_bid = Bid()
competitor_bid.setFromXmlNode(bid)
if (competitor_bid.getProvider() != self._list_args['strId']):
if (competitor_bid.getService() == (self._list_args['serviceId'])):
if (competitor_bid.getId() in self._list_args['Related_Bids']):
# The bid must be replaced as the provider update it.
oldCompetitorBid = (self._list_args['Related_Bids'])[competitor_bid.getId()]
competitor_bid.setCreationPeriod(oldCompetitorBid.getCreationPeriod())
(self._list_args['Related_Bids'])[competitor_bid.getId()] = competitor_bid
else:
if (competitor_bid.isActive() == True):
competitor_bid.setCreationPeriod(period)
# Replace the parent bid, looking for the actual one already in the dictionary
if (competitor_bid.getParentBid() != None):
parentBidId = competitor_bid.getParentBid().getId()
if parentBidId not in self._list_args['Related_Bids']:
logger.error('Parent BidId %s not found in related bids', parentBidId)
else:
parentBid = (self._list_args['Related_Bids'])[parentBidId]
competitor_bid.insertParentBid(parentBid)
#logger.debug('Inserting competitor bid:' + competitor_bid.__str__())
(self._list_args['Related_Bids'])[competitor_bid.getId()] = competitor_bid
# Inserts on exchanged bids
if (agent_type.getType() == AgentType.PRESENTER_TYPE):
(self._list_args['Current_Bids'])[competitor_bid.getId()] = competitor_bid
if (agent_type.getType() == AgentType.PRESENTER_TYPE):
logger.debug('End Handle competitor bids - num exchanged:' + str(len(self._list_args['Current_Bids'])))
logger.debug('clear 3 Handle competitor bids')
logger.debug('Ending handled bid competitors for agent is:' + str(self._list_args['Id']))
except Exception as e:
raise FoundationException(str(e))
def connect_servers(self, agent_type, strID, sellingAddress, buyingAddress,
capacityControl):
logger.info(
'Starting connect servers agent %s selling Address:%s buyingAddress:%s',
strID, sellingAddress, buyingAddress)
if (agent_type.getType() == AgentType.PROVIDER_ISP):
logger.debug('Agent Provider ISP %s', strID)
port = agent_properties.mkt_place_listening_port
address = sellingAddress
# This will be the channel to put bids.
self._channelMarketPlace = Channel_Marketplace(address, port)
address = buyingAddress
# This will be the channel to buy resources.
self._channelMarketPlaceBuy = Channel_Marketplace(address, port)
elif (agent_type.getType() == AgentType.PROVIDER_BACKHAUL):
logger.debug('Agent Provider Backhaul %s', strID)
port = agent_properties.mkt_place_listening_port
address = sellingAddress
# This will be the channel to put bids.
self._channelMarketPlace = Channel_Marketplace(address, port)
else:
logger.debug('Agent Other %s', strID)
port = agent_properties.mkt_place_listening_port
address = agent_properties.addr_mktplace_isp
self._channelMarketPlace = Channel_Marketplace(address, port)
self._channelClockServer = Channel_ClockServer()
# Send the Connect message to ClockServer
connect = self.create_connect_message(strID)
response1 = (self._channelClockServer).sendMessage(connect)
if (response1.isMessageStatusOk() == False):
raise FoundationException(
"Agent: It could not connect to clock server")
# Send the Connect message to MarketPlace
if (agent_type.getType() == AgentType.PROVIDER_ISP):
response2 = (self._channelMarketPlace).sendMessage(connect)
if (response2.isMessageStatusOk()):
response3 = (self._channelMarketPlaceBuy).sendMessage(connect)
if (response3.isMessageStatusOk()):
logger.debug('We could connect to servers')
else:
logger.error(
'Provider ISP: It could not connect to the market place to Buy'
)
raise FoundationException(
"Provider ISP: It could not connect to the market place to Buy"
)
else:
logger.error(
'Provider ISP: It could not connect to market place to sell'
)
raise FoundationException(
"Provider ISP: It could not connect to market place to sell"
)
else:
response2 = (self._channelMarketPlace).sendMessage(connect)
if (response2.isMessageStatusOk()):
logger.info('We could connect servers')
else:
logger.error('The agent could not connect to market place')
raise FoundationException(
"Agent: It could not connect to market place")
logger.debug('Ending connect servers agent %s', strID)
buyingAddress, capacityControl, purchase_service)
providers.append(provider)
i = i + 1
logger.info('Starting test public provider')
# Test providers' initialization.
provider1 = providers[0] # Public provider
fileResult1 = open(provider1.getProviderId() + '.log', "a")
test_initialization(provider1)
radius = 0.05
output = provider1.initializeBidParameters(radius, fileResult1)
if len(output) != 20:
raise FoundationException("We expect 20 outputs - numCalculated:" +
str(len(output)))
# The following code verifies some of the outputs. The decision variables are 3 and 4.
if ((output[0])['3'] != 0):
raise FoundationException(
"We expect quality 0 for output 0 - numCalculated:" +
str((output[0])['3']))
print 'Here we are'
quality = (output[3])['3']
if (round(quality, 2) != 0.15):
raise FoundationException(
"We expect quality 0.15 for output 3 - numCalculated:" +
str(quality))