def _send_request(self, suffix, data=None, content_type=None, jobId=None):
if self._base_url.startswith("http://"):
url = "{}/{}".format(self._base_url, suffix)
else:
url = "http://{}/{}".format(self._base_url, suffix)
headers = {}
if content_type is not None:
headers['Content-Type'] = content_type
try:
if data is not None:
result = requests.post(url, headers=headers, data=data)
else:
result = requests.get(url, headers=headers)
if result.status_code == 404:
raise JobException("No such job: {}".format(jobId))
if not result.ok:
raise JobException("Error {}: {}".format(
result.status_code, result.reason))
except requests.ConnectionError as err:
raise JobException('Failed to connect to {}: {}'.format(
url, str(err)))
except BaseException as err:
raise JobException(err)
return result.text
def main(prog_name=os.path.basename(sys.argv[0]), args=None):
if args is None:
args = sys.argv[1:]
parser = create_parser(prog_name)
args = parser.parse_args(args)
# if args.verbose is None:
# verbose_level = 0
# else:
# verbose_level = args.verbose
# setup_loggers(verbose_level=verbose_level)
if args.command == 'create':
do_create(args)
elif args.command == 'list':
do_list(args)
elif args.command == 'workers':
do_workers(args)
elif args.command == 'broadcast':
do_broadcast(args)
# elif args.command == 'take':
# do_take(args)
else:
raise JobException("invalid command: {}".format(args.command))
def _get_status(self, batch_id, wait):
try:
result = self._send_request(
'batch_statuses?id={}&wait={}'.format(batch_id, wait), )
return yaml.safe_load(result)['data'][0]['status']
except BaseException as err:
raise JobException(err)
def __init__(self, base_url, keyfile=None):
self._base_url = base_url
if keyfile is None:
self._signer = None
return
try:
with open(keyfile) as fd:
private_key_str = fd.read().strip()
except OSError as err:
raise JobException('Failed to read private key {}: {}'.format(
keyfile, str(err)))
try:
private_key = Secp256k1PrivateKey.from_hex(private_key_str)
except ParseError as e:
raise JobException('Unable to load private key: {}'.format(str(e)))
self._signer = CryptoFactory(create_context('secp256k1')) \
.new_signer(private_key)
def do_show(args):
jobId = args.jobId
url = _get_url(args)
# auth_user, auth_password = _get_auth_info(args)
client = JobClient(base_url=url, keyfile=None)
data = client.show(jobId)
if data is not None:
print('job'.data)
else:
raise JobException("Job not found: {}".format(jobId))
def do_list(args):
url = _get_url(args)
# auth_user, auth_password = _get_auth_info(args)
client = JobClient(base_url=url, keyfile=None)
job_list = [
job.split(',') for jobs in client.list()
for job in jobs.decode().split('|')
]
if job_list is not None:
for job_data in job_list:
jobId, workerId, publisherId, start_time, end_time, deadline, base_rewards, extra_rewards = job_data
print('{}, {}, {}, {}, {}, {}, {}, {}'.format(
jobId, workerId, publisherId, start_time, end_time, deadline,
base_rewards, extra_rewards))
else:
raise JobException("Could not retrieve game listing.")
def do_list(args):
url = _get_url(args)
# auth_user, auth_password = _get_auth_info(args)
client = JobClient(base_url=url, keyfile=None)
job_list = [
job.split(',') for jobs in client.list()
for job in jobs.decode().split('|')
]
if job_list is not None:
for job_data in job_list:
jobId, receiverId, publisherId, data_size, start_time, duration, guaranteed_rt, test_rt, base_rewards, extra_rewards, is_integrity = job_data
print('{}, {}, {}, {}, {}, {}, {}, {}'.format(
jobId, receiverId, publisherId, data_size, start_time,
duration, guaranteed_rt, test_rt, base_rewards, extra_rewards,
is_integrity))
else:
raise JobException("Could not retrieve game listing.")
def computeReputation(self, receiverIds):
# current time in millisecond
# current_time = time.time()
# current_time = 1593871200000
# store each node's available rewards, used for validation phase
print('++++++++create log file++++++++')
logger = logging.getLogger()
hdlr = logging.FileHandler('/home/ubuntu/reputation.log')
logger.addHandler(hdlr)
logger.setLevel(logging.INFO)
# get all job from chain
job_list = [
job.split(',')
for jobs in self.list()
for job in jobs.decode().split('|')
]
print('job_list: ', job_list)
# construct job record for reputation computation
# required: start_time
# extra_rewards
job_record = {}
jobs = []
if job_list is not None:
for job_data in job_list:
jobId, receiverId, publisherId, data_size, start_time, duration, guaranteed_rt, test_rt, base_rewards, extra_rewards, is_integrity = job_data
# store jobs according to receiverId
job_record.setdefault(receiverId, []).append({
'start_time': start_time,
'extra_rewards': extra_rewards
})
jobs.append({
'receiverId': receiverId,
'publisherId': publisherId,
'base_rewards': float(base_rewards),
'extra_rewards': float(extra_rewards)
})
else:
raise JobException("Could not retrieve game listing.")
print('++++++++job record in chain++++++++')
print(job_record)
# based on extra rewards, reflecting histroy performance
# only compute for who has expressed interests
reputation_receivers = self.reputationBasedOnRewards(receiverIds, job_record)
# or
# reputation_receivers = self.reputationWithPunishment(receiverIds, job_record)
print('++++++++ reputation_receivers n++++++++')
print(reputation_receivers)
for receiverId in receiverIds:
if not receiverId in reputation_receivers.keys():
reputation_receivers[receiverId] = 0.0
recvBaseRewards = {}
recvExtraRewards = {}
# initialize
for receiverId in receiverIds:
recvBaseRewards[receiverId] = 0
recvExtraRewards[receiverId] = 0
for job in jobs:
recvBaseRewards[job['receiverId']] += job['base_rewards']
recvExtraRewards[job['receiverId']] += job['extra_rewards']
if recvBaseRewards and recvExtraRewards:
for receiverId in receiverIds:
info = receiverId + ' - ' +str(recvBaseRewards[receiverId]) + ' - ' + str(recvExtraRewards[receiverId]) + ' - ' + str(round(reputation_receivers[receiverId], 3))
print('++++++++write log++++++++')
print(info)
logger.info(info)
return reputation_receivers
def computeReputation(self, workerIds):
# current time in millisecond
# current_time = time.time()
current_time = 1593871200000
print('++++++++create log file++++++++')
logger = logging.getLogger()
hdlr = logging.FileHandler('/home/ubuntu/reputation.log')
logger.addHandler(hdlr)
logger.setLevel(logging.INFO)
# get all job from chain
job_list = [
job.split(',') for jobs in self.list()
for job in jobs.decode().split('|')
]
# construct job record for reputation computation
# required: start_time
# end_time
# extra_rewards
job_record = {}
jobs = []
if job_list is not None:
for job_data in job_list:
jobId, workerId, publisherId, start_time, end_time, deadline, base_rewards, extra_rewards = job_data
job_record.setdefault(workerId, []).append({
'start_time':
start_time,
'end_time':
end_time,
'extra_rewards':
extra_rewards
})
jobs.append({
'workerId': workerId,
'publisherId': publisherId,
'base_rewards': float(base_rewards),
'extra_rewards': float(extra_rewards)
})
else:
raise JobException("Could not retrieve game listing.")
# print('++++++++job record in chain++++++++')
# print(job_record)
# rewards based reputation calculation
# based on extra rewards, reflecting histroy performance
reputation_workers = self.computeBasedOnRewards(workerIds, job_record)
# print('++++++++ score_rewards_based n++++++++')
# print(score_rewards_based)
recvBaseRewards = {}
recvExtraRewards = {}
# initialize
for job in jobs:
recvBaseRewards[job['workerId']] = 0
recvExtraRewards[job['workerId']] = 0
for job in jobs:
recvBaseRewards[job['workerId']] += job['base_rewards']
recvExtraRewards[job['workerId']] += job['extra_rewards']
for workerId in workerIds:
info = workerId + ' - ' + str(
recvBaseRewards[workerId]) + ' - ' + str(
recvExtraRewards[workerId]) + ' - ' + str(
round(reputation_workers[workerId], 3))
print('++++++++write log++++++++')
print(info)
logger.info(info)
return reputation_workers
