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Engine.py
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# import balancer.ThirdBalancer as sb
# import balancer.SecondBalancer as sb
import balancer.SimpleBalancer as sb
import subproblems.SimpleSubproblem as sp
import solver.SimpleSolver as slv
import communicator.SimpleCommunicator as com
import messages.MessageRepo as ms
import messages.SimpleMessage as sm
import numpy as np
import route.TraceCollector as rc
import route.CommunicationCollector as cc
class Engine:
def __init__(self,
proc_amount,
max_depth,
price_receive=0.05,
price_send=0.05,
price_put=0.05,
price_get=0.05,
price_balance=0.3,
price_solve=3.0):
self.processes_amount = proc_amount # amount of simulated processes
self.max_depth = max_depth # max depth of solving tree
self.price_rcv = price_receive # price of receiving message
self.price_snd = price_send # price of sending message
self.price_put = price_put # price of putting message into solver
self.price_get = price_get # price of getting message from solver
self.price_blc = price_balance # price of balancing
self.price_slv = price_solve # price of solving
self.mes_service = ms.MessageRepo()
self.route_collector = rc.TraceCollector('Trace.csv', self.processes_amount)
self.comm_collector = cc.CommunicationCollector('Communication.csv')
self.balancers = []
self.solvers = []
self.communicators = []
self.timers = []
self.downtime = [] # amount of time when process was without any tasks
self.isDoneStatuses = []
self.isSentRequest = []
self.state = []
# TODO: вынести в отдельный метод вне ENGINE
def initialize_all(self) -> None:
master = sb.MasterBalancer(max_depth=self.max_depth,
proc_am=self.processes_amount,
prc_blnc=self.price_blc)
self.balancers = [master]
self.solvers = [slv.SimpleSolver(subproblems=[sp.SimpleSubProblem(0, 0, 0)],
records=0,
is_record_updated=False,
max_depth=self.max_depth,
prc_put=self.price_put,
prc_slv=self.price_slv)]
self.communicators = [com.SimpleCommunicator(proc_id=0,
proc_am=self.processes_amount,
ms=self.mes_service)]
self.timers = [0.0] * self.processes_amount
self.downtime = [0.0] * self.processes_amount
self.isDoneStatuses = [False] * self.processes_amount
self.isSentRequest = [False] * self.processes_amount
self.state = ["starting"] * self.processes_amount
for i in range(1, self.processes_amount):
slave = sb.SlaveBalancer(max_depth=self.max_depth, proc_am=self.processes_amount,
prc_blnc=self.price_blc)
self.balancers.append(slave)
solver = slv.SimpleSolver(subproblems=[], records=0, is_record_updated=False, max_depth=self.max_depth,
prc_put=self.price_put, prc_slv=self.price_slv)
self.solvers.append(solver)
communicator = com.SimpleCommunicator(proc_id=i, proc_am=self.processes_amount, ms=self.mes_service)
self.communicators.append(communicator)
def run(self) -> None:
self.initialize_all()
proc_ind = 0
while True:
state = self.state[proc_ind]
command, outputs = self.balance(proc_ind,
state=state,
subs_amount=self.solvers[proc_ind].get_sub_amount(),
add_args=[[], self.isSentRequest, proc_ind])
if command == "start" or command == "receive":
receive_status, outputs = self.receive_message(proc_id=proc_ind)
if receive_status != "received_exit_command":
command, outputs = self.balance(proc_ind,
state=receive_status,
subs_amount=self.solvers[proc_ind].get_sub_amount(),
add_args=[outputs, self.isSentRequest, proc_ind])
if command == "send_subproblems":
self.state[proc_ind] = self.send_subproblems(proc_id=proc_ind, subs_am=outputs[1],
dest_id=outputs[0])
elif command == "send_get_request":
self.state[proc_ind] = self.send_get_request(dest_proc_id=outputs[0],
sender_proc_id=proc_ind,
tasks_amount=outputs[1])
elif command == "send_exit":
self.state[proc_ind] = self.send_exit(proc_id=proc_ind, dest_id=outputs[0])
elif command == "solve":
tasks_am = outputs[0]
self.state[proc_ind] = self.solve(proc_id=proc_ind, tasks_amount=tasks_am)
else:
self.isDoneStatuses[proc_ind] = True
elif command == "send_subproblems":
self.state[proc_ind] = self.send_subproblems(proc_id=proc_ind, subs_am=outputs[1], dest_id=outputs[0])
elif command == "send_all":
self.state[proc_ind] = self.send_all_subs_to_all_proc(proc_id=proc_ind)
elif command == "send_get_request":
self.state[proc_ind] = self.send_get_request(dest_proc_id=outputs[0],
sender_proc_id=proc_ind,
tasks_amount=outputs[1])
elif command == "send_exit":
self.state[proc_ind] = self.send_exit(proc_id=proc_ind, dest_id=outputs[0])
elif command == "solve":
tasks_am = outputs[0]
state = self.solve(proc_id=proc_ind, tasks_amount=tasks_am)
self.state[proc_ind] = state
elif command == "exit":
self.isDoneStatuses[proc_ind] = True
# break
# TODO: добавить в метод balance параметром состояние солвера (эм_таскс + рекорд)
# TODO: comp record
# if command == "stop" and self.solvers[proc_ind].compareRecord(optimal_value):
# optimal_value = self.solvers[proc_ind].getRecord()
proc_ind = (proc_ind + 1) % self.processes_amount
i = 0
while self.isDoneStatuses[proc_ind]:
i += 1
if i > self.processes_amount + 1:
break
proc_ind = (proc_ind + 1) % self.processes_amount
if i > self.processes_amount + 1:
break
self.route_collector.save()
self.comm_collector.save()
def start(self, proc_id, state):
rcv_output = self.receive_message(proc_id=proc_id)
command, outputs = self.balance(proc_id,
state,
subs_amount=self.solvers[proc_id].get_sub_amount(),
add_args=[[], self.isSentRequest, proc_id]
)
return command, outputs
def receive_message(self, proc_id):
command, message, time_for_rcv = self.communicators[proc_id].receive_one()
if command == "put_message":
if self.timers[proc_id] < message.timestamp:
self.route_collector.write(proc_id,
str(round(self.timers[proc_id], 3)) + '-' + str(
round(message.timestamp, 3)),
'Await for receive',
'-')
self.route_collector.write(proc_id,
str(round(message.timestamp, 3)) + '-' + str(
round(message.timestamp + time_for_rcv, 3)),
'Receive',
message.mes_type)
self.downtime[proc_id] += message.timestamp - self.timers[proc_id]
self.timers[proc_id] = message.timestamp + time_for_rcv
else:
self.route_collector.write(proc_id,
str(round(self.timers[proc_id], 3)) + '-' + str(
round(self.timers[proc_id] + time_for_rcv, 3)),
'Receive',
message.mes_type)
self.timers[proc_id] += time_for_rcv
self.comm_collector.write_recv(message.sender, proc_id, message.timestamp, self.timers[proc_id])
if message.mes_type == "get_request":
return "received_get_request", [message.payload, message.sender]
elif message.mes_type == "subproblems":
self.solvers[proc_id].putSubproblems(message.payload)
return "received_subproblems", []
elif message.mes_type == "exit_command":
return "received_exit_command", []
return "received", []
elif command == "continue":
return "nothing_to_receive", []
def solve(self, proc_id, tasks_amount):
state, _, time = self.solvers[proc_id].solve(tasks_amount)
if state == "solved":
# command = "balance"
self.route_collector.write(proc_id,
str(round(self.timers[proc_id], 3)) + '-' + str(
round(self.timers[proc_id] + time, 3)),
'Solve',
'tasks_am=' + str(tasks_amount))
self.timers[proc_id] += time
else:
raise Exception('Solving went wrong')
return state
def balance(self, proc_id, state, subs_amount, add_args=None):
command, outputs, time = self.balancers[proc_id].balance(state=state,
subs_amount=subs_amount,
add_args=add_args)
self.route_collector.write(proc_id,
str(round(self.timers[proc_id], 3)) + '-' + str(
round(self.timers[proc_id] + time, 3)),
'Balance',
'state=' + state)
self.timers[proc_id] += time
return command, outputs
def send_get_request(self, dest_proc_id, sender_proc_id, tasks_amount):
state, time = self.communicators[sender_proc_id].send(
receiver=dest_proc_id,
message=sm.Message2(sender=sender_proc_id,
dest=dest_proc_id,
mes_type="get_request",
payload=tasks_amount,
timestamp=self.timers[sender_proc_id]),
)
if state != "sent":
raise Exception('Sending went wrong')
# self.isSentRequest[sender_proc_id] = True
self.save_time(proc_id=sender_proc_id, timestamp=time, dest_proc=dest_proc_id)
# command, outputs = self.balance(sender_proc_id, state)
return "sent_get_request"
def send_subproblems(self, proc_id, subs_am, dest_id):
message = sm.Message2(sender=proc_id,
dest=dest_id,
mes_type="subproblems",
payload=self.solvers[proc_id].getSubproblems(subs_am),
timestamp=self.timers[proc_id])
state, time = self.communicators[proc_id].send(
receiver=dest_id,
message=message,
)
if state != "sent":
raise Exception('Sending went wrong')
self.save_time(proc_id=proc_id, timestamp=time, dest_proc=dest_id)
return "sent_subproblems"
def send_exit(self, proc_id, dest_id):
state, _, time = self.communicators[proc_id].send(
receiver=dest_id,
message=sm.Message2(sender=proc_id,
dest=dest_id,
mes_type="exit_command",
payload=None,
timestamp=self.timers[proc_id]),
)
if state != "sent":
raise Exception('Sending went wrong')
self.save_time(proc_id=proc_id, timestamp=time, dest_proc=proc_id)
return "sent_exit_command"
def send_all_subs_to_all_proc(self, proc_id):
probs = self.solvers[proc_id].getSubproblems(-1)
probs_amnt = len(probs)
part = 1 / (self.processes_amount - 1)
for dest_proc in range(1, self.processes_amount):
message_list = probs[
int((dest_proc - 1) * probs_amnt * part): int(dest_proc * probs_amnt * part)]
message = sm.Message2(sender=proc_id,
dest=dest_proc,
mes_type="subproblems",
payload=message_list,
timestamp=self.timers[proc_id])
state, time = self.communicators[proc_id].send(
receiver=dest_proc,
message=message,
)
self.save_time(proc_id=proc_id, timestamp=time, dest_proc=dest_proc)
return "sent_subproblems"
def send(self, proc_id, messages_to_send):
is_sent = True
"""
outputs[0] -- is the list of numbers of processes, where we will send subproblems
outputs[1] -- is the list of amounts of subproblems, which we will send to other processes
"""
if len(messages_to_send) == 2:
if len(messages_to_send[0]) >= 1 and messages_to_send[0][0] == -1:
if len(messages_to_send[1]) >= 1 and messages_to_send[1][0] == -1:
probs = self.solvers[proc_id].getSubproblems(-1)
probs_amnt = len(probs)
part = 1 / (self.processes_amount - 1)
for dest_proc in range(1, self.processes_amount):
message_list = probs[
int((dest_proc - 1) * probs_amnt * part): int(dest_proc * probs_amnt * part)]
message = sm.Message2(sender=proc_id,
dest=dest_proc,
mes_type="subproblems",
payload=message_list,
timestamp=self.timers[proc_id])
state, time = self.communicators[proc_id].send(
receiver=dest_proc,
message=message,
)
is_sent = is_sent and (state == 'sent')
self.save_time(proc_id=proc_id, timestamp=time, dest_proc=dest_proc)
elif len(messages_to_send[1]) == 1:
send_amount = messages_to_send[1][0]
for dest_proc in range(1, self.processes_amount):
probs_to_send = self.solvers[proc_id].getSubproblems(send_amount)
if len(probs_to_send) == 0 and dest_proc == 1:
raise Exception('There is nothing to send')
elif len(probs_to_send) == 0:
break
else:
message_list = probs_to_send
message = sm.Message2(sender=proc_id,
dest=dest_proc,
mes_type="subproblems",
payload=message_list,
timestamp=self.timers[proc_id])
state, time = self.communicators[proc_id].send(
receiver=dest_proc,
message=message,
)
is_sent = is_sent and (state == 'sent')
self.save_time(proc_id=proc_id, timestamp=time, dest_proc=dest_proc)
elif len(messages_to_send[1]) != 1:
raise Exception('Unexpected arguments are passes to send function')
elif len(messages_to_send[1]) == len(messages_to_send[0]):
probs = self.solvers[proc_id].getSubproblems(np.sum(messages_to_send[1]))
for com_id in messages_to_send[0]:
list_to_put = []
for dest_proc in range(messages_to_send[1][com_id]):
list_to_put.append(probs.pop())
message_list = list_to_put
message = sm.Message2(sender=proc_id,
dest=com_id,
mes_type="subproblems",
payload=message_list,
timestamp=self.timers[proc_id])
state, time = self.communicators[proc_id].send(
receiver=com_id,
message=message,
)
is_sent = is_sent and (state == 'sent')
self.save_time(proc_id=proc_id, timestamp=time, dest_proc=com_id)
if len(probs) > 0:
self.solvers[0].putSubproblems(probs)
elif len(messages_to_send[1]) >= 1 and messages_to_send[1][0] == -1 and len(messages_to_send[0]) >= 1:
probs = self.solvers[-1].getSubproblems(-1)
probs_amnt = len(probs)
part = 1 / len(messages_to_send[0])
for dest_proc in messages_to_send[0]:
message_list = probs[int((dest_proc - 1) * probs_amnt * part): int(dest_proc * probs_amnt * part)]
message = sm.Message2(sender=proc_id,
dest=dest_proc,
mes_type="subproblems",
payload=message_list,
timestamp=self.timers[proc_id])
state, time = self.communicators[proc_id].send(
receiver=dest_proc,
message=message,
)
is_sent = is_sent and (state == 'sent')
self.save_time(proc_id=proc_id, timestamp=time, dest_proc=dest_proc)
if not is_sent:
raise Exception('Sending went wrong')
else:
state = "sent"
command, outputs = self.balance(proc_id, state,
subs_amount=self.solvers[proc_id].get_sub_amount(),
add_args=[[], self.isSentRequest, proc_id]
)
return command, outputs
def save_time(self, proc_id, timestamp, dest_proc):
self.route_collector.write(proc_id,
str(round(self.timers[proc_id], 3)) + '-' + str(
round(self.timers[proc_id] + timestamp, 3)),
'Send',
'dest=' + str(dest_proc))
self.timers[proc_id] += timestamp
if __name__ == "__main__":
# proc_am = [10, 50, 100, 200, 500, 1000]
eng = Engine(proc_amount=10, max_depth=20)
eng.run()