class PricingServer(PricingBase, Server):
def server_init(self):
self.log = LogSinkClient(self.service_dir_client)
self.userstore_client = UserStoreClient(self.service_dir_client)
def price_request(self, requested_fib):
return int(floor(logarithm(requested_fib,10))) + 1
def pay_for_user_request(self, requested_fib, username):
request_cost = self.price_request(requested_fib)
credit = self.userstore_client.get_credit(username)
if credit < request_cost:
self.log.info(
'User "%s" denied fib(%s), credit: %s' % (
username,
requested_fib,
credit))
return [
False,
"Error: fib(%s) costs %s, user %s has insufficient credit(%s)" % (
requested_fib, request_cost, username, credit)]
new_credit = self.userstore_client.increment_credit(
username, -1 * request_cost)
self.log.info("%s used %s credit, balance: %s" % (
username, request_cost, new_credit))
return [True, new_credit]
class PricingServer(PricingBase, Server):
def server_init(self):
self.log = LogSinkClient(self.service_dir_client)
self.userstore_client = UserStoreClient(self.service_dir_client)
def price_request(self, requested_fib):
return int(floor(logarithm(requested_fib, 10))) + 1
def pay_for_user_request(self, requested_fib, username):
request_cost = self.price_request(requested_fib)
credit = self.userstore_client.get_credit(username)
if credit < request_cost:
self.log.info('User "%s" denied fib(%s), credit: %s' %
(username, requested_fib, credit))
return [
False,
"Error: fib(%s) costs %s, user %s has insufficient credit(%s)"
% (requested_fib, request_cost, username, credit)
]
new_credit = self.userstore_client.increment_credit(
username, -1 * request_cost)
self.log.info("%s used %s credit, balance: %s" %
(username, request_cost, new_credit))
return [True, new_credit]
