def __init__(self, db):
self.db = db
self.checker = Checker()
connection = pika.BlockingConnection(pika.ConnectionParameters(
host=QUEUE['HOST'],
credentials=pika.credentials.PlainCredentials(QUEUE['USERNAME'], QUEUE['PASSWORD'])
))
self.channel = connection.channel()
self.channel.queue_declare(queue='tasks')
print(' [*] Waiting for messages. To exit press CTRL+C')
def __init__(self, db):
self.db = db # соединение с базой данных
self.settings = ConfigGet(
self.db).get_all_settings() # загрузка файла с настройками сервера
self.checker = Checker() # подргружаем чекер (QUEUE or ASYNC)
connection = pika.BlockingConnection(
pika.ConnectionParameters(
host=QUEUE['HOST'],
credentials=pika.credentials.PlainCredentials(
QUEUE['USERNAME'], QUEUE['PASSWORD'])))
self.channel = connection.channel()
self.channel.queue_declare(queue=QUEUE['QNAME'])
print(' [*] Waiting for messages. To exit press CTRL+C')
class Zond:
path_to_checkers = 'checkers/'
filename_checkers = 'check'
thread = []
codes = {
101: 'UP',
102: 'CORRUPT',
103: 'MUMBLE',
104: 'DOWN'
}
def __init__(self, db):
self.db = db
self.checker = Checker()
connection = pika.BlockingConnection(pika.ConnectionParameters(
host=QUEUE['HOST'],
credentials=pika.credentials.PlainCredentials(QUEUE['USERNAME'], QUEUE['PASSWORD'])
))
self.channel = connection.channel()
self.channel.queue_declare(queue='tasks')
print(' [*] Waiting for messages. To exit press CTRL+C')
def run(self):
self.channel.basic_consume(self.callback,
queue='tasks',
no_ack=True)
self.channel.start_consuming()
def callback(self, ch, method, properties, body):
data = json.loads(body.decode('utf8'))
print(" [x] Received %r %r" % (data['team']['name'],data['service']['name']))
if not os.path.exists('checkers/' + data['service']['name'] + '/check'):
if not os.path.exists('checkers/' + data['service']['name']):
os.mkdir('checkers/' + data['service']['name'], mode=0o777)
file = open('checkers/' + data['service']['name'] + '/check', 'w')
file.write(data['service']['program'] + "\r\n")
file.close()
self.thread.append(threading.Thread(
name=(data['team']['name'] + data['service']['name']),
target=self.to_service,
args=(data['round'], data['team'], data['service'], data['flag'], data['flag_id']))
)
self.thread[-1].daemon = True
self.thread[-1].start()
for e, j in enumerate(self.thread):
j.join(timeout=1)
def cdquit(self, fn_name):
# print to stderr, unbuffered in Python 2.
print('{0} took too long'.format(fn_name), file=sys.stderr)
sys.stderr.flush() # Python 3 stderr is likely buffered.
thread.interrupt_main() # raises KeyboardInterrupt
def exit_after(self, s):
'''
use as decorator to exit process if
function takes longer than s seconds
'''
def outer(fn):
def inner(*args, **kwargs):
timer = threading.Timer(s, self.cdquit, args=[fn.__name__])
timer.start()
try:
result = fn(*args, **kwargs)
finally:
timer.cancel()
return result
return inner
return outer
def to_service(self, round, team, service, flag, flag_id):
team = json_util.loads(json.dumps(team))
service = json_util.loads(json.dumps(service))
self.db.flags.insert_one({
'round': round,
'team': team,
'service': service,
'flag': flag,
'flag_id': flag_id,
'stolen': False,
'timestamp': time.time()
})
path = self.path_to_checkers + service['name'] + '/' + self.filename_checkers
action = ''
try:
action = 'check'
self.checker.check(team['host'], path)
action = 'put'
self.checker.put(team['host'], path, flag, flag_id)
action = 'get'
self.checker.get(team['host'], path, flag, flag_id)
self.update_scoreboard(team, service, 101)
except Exception as error:
code, message = error.args
print(error)
Message.fail(team['name'] + ' ' + service['name'] + ' ' + action + ' => error (message: ' + str(message) + ')')
self.update_scoreboard(team, service, code, message)
def update_scoreboard(self, team, service, status_code, message=''):
codes = {
101: 'UP',
102: 'CORRUPT',
103: 'MUMBLE',
104: 'DOWN'
}
# self.status_service[team['name'] + '_' + service['name']] = status_code
if status_code not in codes:
Message.fail('\t Invalid checker return code for ' + service['name'])
status_code = 104
self.db.scoreboard.update_one(
{
'team._id': team['_id'],
'service._id': service['_id']
},
{
"$set": {
"status": codes[status_code],
'message': message
},
'$inc': {
'up_round': 1 if status_code == 101 else 0
}
}
)
class Zond:
thread = []
codes = {
101:
'UP', # means that service is online, serves the requests, stores and returns flags and behaves as expected.
102:
'CORRUPT', # means that service is online, but past flags cannot be retrieved.
103:
'MUMBLE', # means that service is online, but behaves not as expected, e.g. if HTTP server listens the port, but doesn't respond on request.
104: 'DOWN' # means that service is offline.
}
def __init__(self, db):
self.db = db # соединение с базой данных
self.settings = ConfigGet(
self.db).get_all_settings() # загрузка файла с настройками сервера
self.checker = Checker() # подргружаем чекер (QUEUE or ASYNC)
connection = pika.BlockingConnection(
pika.ConnectionParameters(
host=QUEUE['HOST'],
credentials=pika.credentials.PlainCredentials(
QUEUE['USERNAME'], QUEUE['PASSWORD'])))
self.channel = connection.channel()
self.channel.queue_declare(queue=QUEUE['QNAME'])
print(' [*] Waiting for messages. To exit press CTRL+C')
def run(self):
self.channel.basic_consume(self.callback, QUEUE['QNAME'], no_ack=True)
self.channel.start_consuming()
# данная функция срабатывает при каждом пришедшем пакете из MQTT. Идёт обработка
def callback(self, ch, method, properties, body):
data = json.loads(body.decode('utf8'))
print(" [x] Received %r %r" %
(data['team']['name'], data['service']['name']))
path = self.settings['path_to_checkers'] + "/" + data['service']['name']
#if data['action'] == 'update':
#Message.info('\t UPDATING checker files!')
if not os.path.exists(path):
os.mkdir(path, mode=0o777)
file = open(path + "/" + self.settings['filename_checkers'], 'w')
file.write(data['service']['program'] + "\r\n")
file.close()
self.thread.append(
threading.Thread(
name=(data['team']['name'] + data['service']['name']),
target=self.to_service,
args=(data['action'], data['round'], data['team'],
data['service'], data['flag'], data['flag_id'])))
self.thread[-1].daemon = True
self.thread[-1].start()
# это тред чекера. Для каждого сервиса/команды - свой
def to_service(self, action, round, team, service, flag, flag_id):
team = json_util.loads(json.dumps(team))
service = json_util.loads(json.dumps(service))
self.db.flags.insert_one({
'round': round,
'team': team,
'service': service,
'flag': flag,
'flag_id': flag_id,
'stolen': False,
'timestamp': time.time()
})
path = self.settings['path_to_checkers'] + '/' + service[
'name'] + '/' + self.settings['filename_checkers']
try:
if action == 'check':
self.checker.check(team['host'], path)
if action == 'put':
self.checker.put(team['host'], path, flag, flag_id)
if action == 'get':
self.checker.get(team['host'], path, flag, flag_id)
self.update_scoreboard(team, service, 101)
except Exception as error:
code, message = error.args
print(error)
Message.fail(team['name'] + ' ' + service['name'] + ' ' + action +
' => error (message: ' + str(message) + ')')
self.update_scoreboard(team, service, code, message)
def update_scoreboard(self, team, service, status_code, message=''):
codes = {101: 'UP', 102: 'CORRUPT', 103: 'MUMBLE', 104: 'DOWN'}
# self.status_service[team['name'] + '_' + service['name']] = status_code
if status_code not in codes:
Message.fail('\t Invalid checker return code for ' +
service['name'])
status_code = 104
self.db.scoreboard.update_one(
{
'team._id': team['_id'],
'service._id': service['_id']
}, {
"$set": {
"status": codes[status_code],
'message': message
},
'$inc': {
'up_round': 1 if status_code == 101 else 0
}
})