def sendFindOffer(self, address, item, timeout):
'''
The method to be called for each thread.
Finds the offer with itemId(item) of an address.
@address (ip: string, port: int)
@item: int
@timeout float: timeout in seconds
'''
# structure data
toSend = {'method': 'findoffer',
'item': item}
# setup connection
mJSON = helpers.sendJSON(address, toSend, timeout)
offers = mJSON['offers']
# convert back to our offer representation and update offers
ref = self.offers[(address) + (item,)] = {}
ref['lastUpdate'] = helpers.getCurrentTime()
ref0 = ref['offers'] = {}
for offer in offers:
ref0[offer[-1]] = offer[:-1]
def move(self, userToken, x, y):
"""
Move a user.
:param userToken: string
:param x: int
:param y: int
:return: int, completion time in unix time
:exception: TokenException, MoveException
"""
username = self.getNameByToken(userToken)
if x < 0 or x >= self.gameMap.get('width') or y < 0 or y >= self.gameMap.get('height'):
raise sisterexceptions.ActionException('position out of bounds')
record = self.getRecordByName(username)
prevX = record.get('x')
prevY = record.get('y')
if prevX == x and prevY == y:
raise sisterexceptions.ActionException('invalid move')
currTime = helpers.getCurrentTime()
if record.get('actionTime') > currTime:
raise sisterexceptions.ActionException('you are still moving')
# time in seconds
eachStep = 10
timeNeeded = (abs(prevX - x) + abs(prevY - y)) * eachStep
unixTime = currTime + timeNeeded
self.updateRecord(username, {'x': x, 'y': y, 'actionTime': unixTime})
return unixTime
def field(self, userToken):
"""
Collect item from current position.
:param userToken: string
:return: int, itemID of fetched item
:exception: TokenException
"""
username = self.getNameByToken(userToken)
mRecord = self.getRecordByName(username)
if mRecord.get('actionTime') > helpers.getCurrentTime():
raise sisterexceptions.ActionException('you are still moving')
curX = mRecord.get('x')
curY = mRecord.get('y')
pos = mRecord.get('lastField')
width = self.gameMap.get('width')
if pos:
x = pos % width
y = pos / width
if x == curX and y == curY:
raise sisterexceptions.ActionException('you already took that item')
nameItem = self.gameMap.get('map')[curX][curY]
index = helpers.mappingNameItemToIndex(nameItem)
inventory = mRecord.get('inventory')
inventory[index] += 1
self.updateRecord(username, {'inventory': inventory, 'lastField': curY * width + curX})
return index
def putOffer(self, token, offeredItem, n1, demandedItem, n2):
username = self.getNameByToken(token)
mRecord = self.getRecordByName(username)
numItem = mRecord['inventory'][offeredItem]
if numItem < n1:
raise sisterexceptions.OfferException(
'insufficient number of offered item')
# userOffers = self.registeredUser[username].get('offers')
# if not userOffers:
# userOffers = {}
# generate offer
unixTime = helpers.getCurrentTime()
lOfferToken = [token, str(unixTime)]
lOfferToken += [
self.salt, str(random.randint(-2147483648, 2147483647))
]
lOfferToken += [chr(ord('A') + offeredItem), str(n1)]
lOfferToken += [chr(ord('A') + demandedItem), str(n2)]
offerToken = hashlib.md5(''.join(lOfferToken)).hexdigest()
# jadi di dalam add offer, otomatis uda dikurangi demanded item nya
self.addOffer(username, offerToken, offeredItem, n1, demandedItem, n2,
True)
def move(self, userToken, x, y):
"""
Move a user.
:param userToken: string
:param x: int
:param y: int
:return: int, completion time in unix time
:exception: TokenException, MoveException
"""
username = self.getNameByToken(userToken)
if x < 0 or x >= self.gameMap.get(
'width') or y < 0 or y >= self.gameMap.get('height'):
raise sisterexceptions.ActionException('position out of bounds')
record = self.getRecordByName(username)
prevX = record.get('x')
prevY = record.get('y')
if prevX == x and prevY == y:
raise sisterexceptions.ActionException('invalid move')
currTime = helpers.getCurrentTime()
if record.get('actionTime') > currTime:
raise sisterexceptions.ActionException('you are still moving')
# time in seconds
eachStep = 10
timeNeeded = (abs(prevX - x) + abs(prevY - y)) * eachStep
unixTime = currTime + timeNeeded
self.updateRecord(username, {'x': x, 'y': y, 'actionTime': unixTime})
return unixTime
def login(self, name, password):
"""
Login a user. Return on success.
:param name: string
:param password: string
:return: (token, x, y, time)
:exception: UsernameException
"""
if name == '' or '{' in name or '}' in name:
raise sisterexceptions.UsernameException(
'please use a good username')
mRecord = self.getRecordByName(name)
if mRecord.get('password') != hashlib.md5(password).hexdigest():
raise sisterexceptions.UsernameException(
'username/password combination is not found')
actionTime = mRecord.get('actionTime')
serverTime = helpers.getCurrentTime()
token = hashlib.md5(name).hexdigest()
self.setLogin(token, name)
return token, mRecord.get('x'), mRecord.get(
'y'), actionTime, serverTime
def findOffers(self, item):
"""
Find Offers from foreign servers.
:return: list of (offerid, n1, demandid, n2, availability, offerToken)
"""
# list of servers need to be searched for offers
toSend = []
# result variable to return
res = []
for address in self.servers:
addressItem = (address.get('ip'), address.get('port'), item)
if addressItem[:2] == self.myAddress:
continue
record = self.foreignOffers.get(addressItem)
hit = False
if record:
# hit, check validity with timestamp
unixTime = helpers.getCurrentTime()
if unixTime < record.get('lastUpdate') + self.cacheTimeout:
# hit!
res += [
tuple(val) + (key, )
for key, val in record.get('offers').items()
]
hit = True
if not hit:
# not hit, delete record and find on that server
if record:
self.foreignOffers.pop(addressItem)
toSend.append(addressItem[:2])
oFinder = OffersFinder(toSend, item, 3)
uncached, deadServers = oFinder.find()
self.foreignOffers.update(uncached)
for server in deadServers:
self.removeServer(server)
for key1, val1 in uncached.items():
res += [
tuple(val0) + (key0, )
for key0, val0 in val1.get('offers').items()
]
return res
def findOffers(self, item):
"""
Find Offers from foreign servers.
:return: list of (offerid, n1, demandid, n2, availability, offerToken)
"""
# list of servers need to be searched for offers
toSend = []
# result variable to return
res = []
for address in self.servers:
addressItem = (address.get('ip'), address.get('port'), item)
if addressItem[:2] == self.myAddress:
continue
record = self.foreignOffers.get(addressItem)
hit = False
if record:
# hit, check validity with timestamp
unixTime = helpers.getCurrentTime()
if unixTime < record.get('lastUpdate') + self.cacheTimeout:
# hit!
res += [tuple(val) + (key,) for key, val in record.get('offers').items()]
hit = True
if not hit:
# not hit, delete record and find on that server
if record:
self.foreignOffers.pop(addressItem)
toSend.append(addressItem[:2])
oFinder = OffersFinder(toSend, item, 3)
uncached, deadServers = oFinder.find()
self.foreignOffers.update(uncached)
for server in deadServers:
self.removeServer(server)
for key1, val1 in uncached.items():
res += [tuple(val0) + (key0,) for key0, val0 in val1.get('offers').items()]
return res
def putOffer(self, token, offeredItem, n1, demandedItem, n2):
username = self.getNameByToken(token)
mRecord = self.getRecordByName(username)
numItem = mRecord['inventory'][offeredItem]
if numItem < n1:
raise sisterexceptions.OfferException('insufficient number of offered item')
# userOffers = self.registeredUser[username].get('offers')
# if not userOffers:
# userOffers = {}
# generate offer
unixTime = helpers.getCurrentTime()
lOfferToken = [token, str(unixTime)]
lOfferToken += [self.salt, str(random.randint(-2147483648, 2147483647))]
lOfferToken += [chr(ord('A') + offeredItem), str(n1)]
lOfferToken += [chr(ord('A') + demandedItem), str(n2)]
offerToken = hashlib.md5(''.join(lOfferToken)).hexdigest()
# jadi di dalam add offer, otomatis uda dikurangi demanded item nya
self.addOffer(username, offerToken, offeredItem, n1, demandedItem, n2, True)
def field(self, userToken):
"""
Collect item from current position.
:param userToken: string
:return: int, itemID of fetched item
:exception: TokenException
"""
username = self.getNameByToken(userToken)
mRecord = self.getRecordByName(username)
if mRecord.get('actionTime') > helpers.getCurrentTime():
raise sisterexceptions.ActionException('you are still moving')
curX = mRecord.get('x')
curY = mRecord.get('y')
pos = mRecord.get('lastField')
width = self.gameMap.get('width')
if pos:
x = pos % width
y = pos / width
if x == curX and y == curY:
raise sisterexceptions.ActionException(
'you already took that item')
nameItem = self.gameMap.get('map')[curX][curY]
index = helpers.mappingNameItemToIndex(nameItem)
inventory = mRecord.get('inventory')
inventory[index] += 1
self.updateRecord(username, {
'inventory': inventory,
'lastField': curY * width + curX
})
return index
def login(self, name, password):
"""
Login a user. Return on success.
:param name: string
:param password: string
:return: (token, x, y, time)
:exception: UsernameException
"""
if name == '' or '{' in name or '}' in name:
raise sisterexceptions.UsernameException('please use a good username')
mRecord = self.getRecordByName(name)
if mRecord.get('password') != hashlib.md5(password).hexdigest():
raise sisterexceptions.UsernameException('username/password combination is not found')
actionTime = mRecord.get('actionTime')
serverTime = helpers.getCurrentTime()
token = hashlib.md5(name).hexdigest()
self.setLogin(token, name)
return token, mRecord.get('x'), mRecord.get('y'), actionTime, serverTime
def sendFindOffer(self, address, item, timeout):
'''
The method to be called for each thread.
Finds the offer with itemId(item) of an address.
@address (ip: string, port: int)
@item: int
@timeout float: timeout in seconds
'''
# structure data
toSend = {'method': 'findoffer', 'item': item}
# setup connection
mJSON = helpers.sendJSON(address, toSend, timeout)
offers = mJSON['offers']
# convert back to our offer representation and update offers
ref = self.offers[(address) + (item, )] = {}
ref['lastUpdate'] = helpers.getCurrentTime()
ref0 = ref['offers'] = {}
for offer in offers:
ref0[offer[-1]] = offer[:-1]