def get_random_data(self):
self.data.clear()
self.data['code'] = get_random_number(0, 10000)
self.data['citizens'] = get_random_number(500, 500000)
self.data['name'] = get_random_string(size=8)
self.data['country'] = get_random_string(size=7)
return self.data
def update_product():
rand_id = utils.get_random_number(1, utils.count_rows("product"))
product_cost = utils.get_random_number(0, 1000)
product_amount = utils.get_random_number(0, 10000)
utils.execute(
"""update product set cost = {PRODUCT_COST} where id = {RAND_ID};""".
format(PRODUCT_COST=product_cost, RAND_ID=rand_id))
advance_time()
def insert_product():
product_name = utils.get_random_string()
product_cost = utils.get_random_number(0, 1000)
product_amount = utils.get_random_number(0, 10000)
utils.execute(
"""INSERT INTO product (name, cost, amount) VALUES ('{PRODUCT_NAME}', {PRODUCT_COST}, {PRODUCT_AMOUNT});"""
.format(PRODUCT_NAME=product_name,
PRODUCT_COST=product_cost,
PRODUCT_AMOUNT=product_amount))
advance_time()
def update_purchase():
customer_num_ids = utils.count_rows("customer")
product_num_ids = utils.count_rows("product")
purchase_customer_id = utils.get_random_number(1, customer_num_ids)
purchase_product_id = utils.get_random_number(1, product_num_ids)
utils.execute(
"""update purchase set customer_id = {PURCHASE_CUSTOMER_ID} where product_id = {PURCHASE_PRODUCT_ID};"""
.format(PURCHASE_CUSTOMER_ID=purchase_customer_id,
PURCHASE_PRODUCT_ID=purchase_product_id))
advance_time()
def _create_class(self, course, dept):
_class = Class(id=self.class_number,
department=dept,
course=course)
self.class_number += 1
_class.meeting_time = deepcopy(self.data.meeting_times[int(
len(self.data.meeting_times) * get_random_number())])
_class.room = deepcopy(self.data.rooms[int(
len(self.data.rooms) * get_random_number())])
_class.instructor = deepcopy(self.data.instructors[int(
len(self.data.instructors) * get_random_number())])
self._classes.append(_class)
def load_object(self, urdf, material, state='closed'):
loader = self.scene.create_urdf_loader()
self.object = loader.load(urdf, {"material": material})
#self.object = loader.load(urdf, material)
pose = Pose([self.object_position_offset, 0, 0], [1, 0, 0, 0])
self.object.set_root_pose(pose)
# compute link actor information
self.all_link_ids = [l.get_id() for l in self.object.get_links()]
self.movable_link_ids = []
for j in self.object.get_joints():
if j.get_dof() == 1:
self.movable_link_ids.append(j.get_child_link().get_id())
if self.flog is not None:
self.flog.write('All Actor Link IDs: %s\n' %
str(self.all_link_ids))
self.flog.write('All Movable Actor Link IDs: %s\n' %
str(self.movable_link_ids))
# set joint property
for joint in self.object.get_joints():
joint.set_drive_property(stiffness=0, damping=10)
# set initial qpos
joint_angles = []
self.joint_angles_lower = []
self.joint_angles_upper = []
for j in self.object.get_joints():
if j.get_dof() == 1:
l = process_angle_limit(j.get_limits()[0, 0])
self.joint_angles_lower.append(float(l))
r = process_angle_limit(j.get_limits()[0, 1])
self.joint_angles_upper.append(float(r))
if state == 'closed':
joint_angles.append(float(l))
elif state == 'open':
joint_angles.append(float(r))
elif state == 'random-middle':
joint_angles.append(float(get_random_number(l, r)))
elif state == 'random-closed-middle':
if np.random.random() < 0.5:
joint_angles.append(float(get_random_number(l, r)))
else:
joint_angles.append(float(l))
else:
raise ValueError('ERROR: object init state %s unknown!' %
state)
self.object.set_qpos(joint_angles)
return joint_angles
def update_category():
rand_id = utils.get_random_number(1, utils.count_rows("category"))
rand_name = utils.get_random_string()
utils.execute(
"""update category set name = '{RAND_NAME}' where id = {RAND_ID};""".
format(RAND_NAME=rand_name, RAND_ID=rand_id))
advance_time()
def update_customer():
rand_id = utils.get_random_number(1, utils.count_rows("customer"))
customer_active = utils.get_random_boolean()
utils.execute(
"""update customer set active = '{CUSTOMER_ACTIVE}' where id = {RAND_ID};"""
.format(CUSTOMER_ACTIVE=customer_active, RAND_ID=rand_id))
advance_time()
def __init__(self, src_ip="", dest_ip="", data=""):
'''
src_ip : source ip address
dest_ip : destination ip address
data : data to be sent
version : ip version, can be IPv4 or IPv6
ihl : header length
type of service : default is 0
total_length : total length of the datagram
id : datagram id
flag_reserved : default is 0
flag_df : do not fragment flag
flag_mf : more fragments flag
fragment_offset : used in fragmentation
ttl : time to live
protocol : transfer layer protocol
header_checksum : checksum of the ip header
'''
self.src_ip = src_ip
self.dest_ip = dest_ip
self.data = data
self.version = 4
self.ihl = 5
self.type_of_service = 0
self.total_length = calcsize(PACKER_FORMAT) + len(data)
self.id = get_random_number(0, 65535)
self.flag_reserved = 0
self.flag_df = 1
self.flag_mf = 0
self.fragment_offset = 0
self.ttl = 255
self.protocol = socket.IPPROTO_TCP
self.header_checksum = 0
def delete_category_product():
## Delete some pair
found_good_pair = False
while not found_good_pair:
category_num_ids = utils.count_rows("category")
_category_id = utils.get_random_number(1, category_num_ids)
product_num_ids = utils.count_rows("product")
_product_id = utils.get_random_number(1, product_num_ids)
pair = (_category_id, _product_id)
if pair in _category_product_pairs:
#_category_product_pairs.remove(pair)
found_good_pair = True
break
if not found_good_pair:
return
category_product_category_id = pair[0]
category_product_product_id = pair[1]
_category_product_pairs.remove(pair)
#utils.execute("""update category_product set category_id = {CATEGORY_PRODUCT_CATEGORY_ID} where product_id = {CATEGORY_PRODUCT_PRODUCT_ID};""".format(
# CATEGORY_PRODUCT_CATEGORY_ID=category_product_category_id, CATEGORY_PRODUCT_PRODUCT_ID=category_product_product_id))
utils.execute(
"""delete from category_product where category_id = {CATEGORY_PRODUCT_CATEGORY_ID} and product_id = {CATEGORY_PRODUCT_PRODUCT_ID};"""
.format(CATEGORY_PRODUCT_CATEGORY_ID=category_product_category_id,
CATEGORY_PRODUCT_PRODUCT_ID=category_product_product_id))
## Insert modification of the deleted key
found_new_pair = False
while not found_new_pair:
product_num_ids = utils.count_rows("product")
_product_id = utils.get_random_number(1, product_num_ids)
new_pair = (category_product_category_id, _product_id)
if new_pair not in _category_product_pairs:
#_category_product_pairs.remove(pair)
found_new_pair = True
break
if not found_new_pair:
return
new_category_product_product_id = new_pair[1]
_category_product_pairs.append(new_pair)
utils.execute(
"""INSERT INTO category_product (category_id, product_id) VALUES ({CATEGORY_PRODUCT_CATEGORY_ID}, {CATEGORY_PRODUCT_PRODUCT_ID});"""
.format(CATEGORY_PRODUCT_CATEGORY_ID=category_product_category_id,
CATEGORY_PRODUCT_PRODUCT_ID=new_category_product_product_id))
advance_time()
def select_tournament_population(self, population):
tournament_population = Population(size=self.TOURNAMENT_SELECTION_SIZE,
data=self.data)
for idx in range(self.TOURNAMENT_SELECTION_SIZE):
tournament_population.schedules[idx] = population.schedules[int(
get_random_number() * len(population.schedules))]
return tournament_population
def crossover_schedule(self, schedule1, schedule2):
_crossover_schedule = Schedule(data=self.data).initialize()
for idx in range(len(_crossover_schedule.classes)):
if get_random_number() > 0.5:
_crossover_schedule.classes[idx] = deepcopy(
schedule1.classes[idx])
else:
_crossover_schedule.classes[idx] = deepcopy(
schedule2.classes[idx])
return _crossover_schedule
def mutate_schedule(self, _mutate_schedule):
_mutate_schedule = deepcopy(_mutate_schedule)
_schedule = Schedule(data=self.data).initialize(
) #_schedule est donc ici un schedule different
# Remplace les classes du schedule d'entree par celle mutee aleatoirement
for idx in range(len(_mutate_schedule.classes)):
if self.MUTATION_RATE > get_random_number():
_mutate_schedule.classes[idx] = deepcopy(
_schedule.classes[idx])
return _mutate_schedule
def solve_task(task_id, random_no_count, random_min, random_max):
print("Solving task : {}, random_no_count : {}".format(task_id, random_no_count))
task_start_time = time.time()
sum = 0
for counter in range(random_no_count):
random_number = get_random_number(random_min, random_max)
sum += random_number
task_finish_time = time.time()
solution = {"id": task_id, "st_time": task_start_time, "end_time": task_finish_time,
"sum": sum}
print("Solved task : {}".format(task_id))
return solution
def __init__(self,
src_ip="",
src_port=0,
dest_ip="",
dest_port=0,
data=""):
'''
src_ip : source ip
src_port : source port
dest_ip : destination ip
dest_port : destination port
data : data to be sent
seq_num : sequence number
ack_num : acknowledge number
data_offset : size of the TCP header
reserverd : default is 0
urg,
ack,
psh,
rst,
syn,
fin : flags
window_size : slide window size
checksum : TCP checksum
urgent_pointer : default is 0
options : optional, contains some special information
'''
self.src_ip = src_ip
self.src_port = src_port
self.dest_ip = dest_ip
self.dest_port = dest_port
self.data = data
self.seq_num = get_random_number()
self.ack_num = 0
self.data_offset = 5
self.reserved = 0
self.urg = 0
self.ack = 0
self.psh = 0
self.rst = 0
self.syn = 0
self.fin = 0
self.window_size = 29200
self.checksum = 0
self.urgent_pointer = 0
self.options = 0
self.data = data
def crossover_population(self, population):
_cross_over_popluation = Population(size=len(population.schedules),
data=self.data)
for idx in range(self.NUMB_OF_ELITE_SCHEDULES):
_cross_over_popluation.schedules[idx] = deepcopy(
population.schedules[idx])
for idx in range(self.NUMB_OF_ELITE_SCHEDULES,
len(population.schedules)):
if self.CROSSOVER_RATE > get_random_number():
schedule1 = self.select_tournament_population(
population).sort_by_fitness().schedules[0]
schedule2 = self.select_tournament_population(
population).sort_by_fitness().schedules[1]
_cross_over_popluation.schedules[
idx] = self.crossover_schedule(schedule1, schedule2)
else:
_cross_over_popluation.schedules[idx] = deepcopy(
population.schedules[idx])
return _cross_over_popluation
self.executor = ThreadPoolExecutor(thread_pool_size)
self.pubsub = get_pubsub()
self._task_channel = "task"
self._solution_channel = "solution"
self._continuous_loop_sleep_interval = 0.01
# in a thread
self.executor.submit(self.listen_for_solutions)
# def generate_tasks(self, random_no_min=10_000_000, random_no_max=100_000_000, sleep_interval=0.5):
def generate_tasks(self, random_no_min=10_000, random_no_max=100_000, sleep_interval=0.5):
for task_counter in range(1, self.no_of_tasks_to_produce + 1):
if task_counter > 0 and task_counter % 10 == 0:
print("Produced task : {}".format(task_counter))
random_number = get_random_number(random_no_min, random_no_max)
task_id = str(uuid.uuid4())
# publish problem
task = {'id': task_id, 'number': random_number}
self.pubsub.publish(self._task_channel, json.dumps(task))
sleep_interval = get_random_number(0, sleep_interval)
time.sleep(sleep_interval)
def release_resources(self):
self.pubsub.close()
self.executor.shutdown()
def listen_for_solutions(self):
solutions = []
subscriber = self.pubsub.pubsub()
subscriber.subscribe(self._solution_channel)
def _get_pair_category_product():
category_num_ids = utils.count_rows("category")
product_num_ids = utils.count_rows("product")
category_product_category_id = utils.get_random_number(1, category_num_ids)
category_product_product_id = utils.get_random_number(1, product_num_ids)
return (category_product_category_id, category_product_product_id)
def _get_pair_customer_product():
customer_num_ids = utils.count_rows("customer")
product_num_ids = utils.count_rows("product")
purchase_customer_id = utils.get_random_number(1, customer_num_ids)
purchase_product_id = utils.get_random_number(1, product_num_ids)
return (purchase_customer_id, purchase_product_id)
def create_testdb_history():
print(sys.argv)
IS_HISTORY = False
if len(sys.argv) == 2 and sys.argv[1] == "history":
IS_HISTORY = True
if IS_HISTORY:
DBNAME = "testdb_history"
else:
DBNAME = "testdb"
USER = "******"
PASSWORD = "******"
utils.init(DBNAME, USER, PASSWORD)
TIME = {"hour": 12, "minute": 0, "day": 1, "month": 1, "year": 1990}
utils.set_db_time(hour=TIME["hour"],
day=TIME["day"],
month=TIME["month"],
year=TIME["year"])
DB_CHANGES = 10000
## Create model and history tables
utils.drop_all_user_tables(USER)
utils.execute_from_file("model.sql")
tables = utils.get_all_user_tables(USER)
for t in tables:
table = t[0]
if IS_HISTORY:
utils.table_attach_history(table)
utils.create_history_table(table)
## list of database modification functions
functions = [
insert_category, update_category, insert_product, update_product,
insert_customer, update_customer, insert_category_product,
insert_purchase
]
functions_history = []
if IS_HISTORY:
functions_history.append(update_purchase)
functions_history.append(delete_category_product)
## initial inserts
def _init():
insert_category()
insert_product()
insert_customer()
insert_category_product()
insert_purchase()
for _ in range(20):
_init()
## db life simulation
for i in range(DB_CHANGES):
fcn = functions[utils.get_random_number(0, len(functions) - 1)]
print(fcn.__name__)
fcn()
if IS_HISTORY:
if utils.get_random_number(1, 10) == 1:
fcn_history = functions_history[utils.get_random_number(
0,
len(functions_history) - 1)]
print(fcn_history.__name__)
fcn_history()
def home():
return render_template('index.html', secret=get_random_number())
def get_word() -> str:
return WORD_LIST[get_random_number(0, len(WORD_LIST) - 1)]