def __init__(self, sim_param=SimParam(), no_seed=False):
"""
Initialize the Simulation object.
:param sim_param: is an optional SimParam object for parameter pre-configuration
:param no_seed: is an optional parameter. If it is set to True, the RNG should be initialized without a
a specific seed.
"""
self.sim_param = sim_param
self.sim_state = SimState()
self.system_state = SystemState(self)
self.event_chain = EventChain()
self.sim_result = SimResult(self)
# TODO Task 2.4.3: Uncomment the line below
self.counter_collection = CounterCollection(self)
# TODO Task 3.1.2: Uncomment the line below and replace the "None"
if no_seed:
#if the mean = 1.0, then 1/lambda_ = 1.0 -> lambda_ = 1
self.rng = RNG(ExponentialRNS(1.0),
ExponentialRNS(1. / float(self.sim_param.RHO)))
else:
self.rng = RNG(
ExponentialRNS(1.0, self.sim_param.SEED_IAT),
ExponentialRNS(1. / float(self.sim_param.RHO),
self.sim_param.SEED_ST))
def reset(self):
"""
Reset the Simulation object.
"""
self.sim_state = SimState()
self.system_state = SystemState(self)
self.event_chain = EventChain()
self.sim_result = SimResult(self)
self.counter_collection = CounterCollection(self)
self.rng.iat_rns.set_parameters(1.)
self.rng.st_rns.set_parameters(1. / float(self.sim_param.RHO))
def reset(self, no_seed=False):
"""
Reset the Simulation object.
:param no_seed: is an optional parameter. If it is set to True, the RNG should be reset without a
a specific seed.
"""
self.sim_state = SimState()
self.system_state = SystemState(self)
self.event_chain = EventChain()
self.sim_result = SimResult(self)
# TODO Task 2.4.3: Uncomment the line below
self.counter_collection = CounterCollection(self)
# TODO Task 3.1.2: Uncomment the line below and replace the "None"
"""
def __init__(self, sim_param=SimParam(), no_seed=False):
"""
Initialize the Simulation object.
:param sim_param: is an optional SimParam object for parameter pre-configuration
:param no_seed: is an optional parameter. If it is set to True, the RNG should be initialized without a
a specific seed.
"""
self.sim_param = sim_param
self.sim_state = SimState()
self.system_state = SystemState(self)
self.event_chain = EventChain()
self.sim_result = SimResult(self)
# TODO Task 2.4.3: Uncomment the line below
self.counter_collection = CounterCollection(self)
# TODO Task 3.1.2: Uncomment the line below and replace the "None"
"""
def __init__(self, slice_param):
"""
Initialize the Slice Simulation object.
:param slice_param: is an optional SliceParam object for parameter pre-configuration
:param no_seed: is an optional parameter. If it is set to True, the RNG should be initialized without a
a specific seed.
"""
self.slice_param = slice_param
self.sim_state = SimState()
self.slice_result = SliceResult(self)
self.event_chain_slice_manager = EventChain()
self.slice_manager = SliceManager(self)
self.user_list = []
self.server_list = []
self.server_list_dict = {}
def reset(self, no_seed=False):
"""
Reset the Simulation object.
:param no_seed: is an optional parameter. If it is set to True, the RNG should be reset without a
a specific seed.
"""
self.sim_state = SimState()
self.system_state = SystemState(self)
self.event_chain = EventChain()
self.sim_result = SimResult(self)
# TODO Task 2.4.3: Uncomment the line below
self.counter_collection = CounterCollection(self)
# TODO Task 3.1.2: Uncomment the line below and replace the "None"
if no_seed:
self.rng = RNG(ExponentialRNS(1.0), ExponentialRNS(1./float(self.sim_param.RHO)))
else:
self.rng = RNG(ExponentialRNS(1.0, self.sim_param.SEED_IAT), ExponentialRNS(1./float(self.sim_param.RHO),self.sim_param.SEED_ST))
def insert_users(self, user_list):
self.user_list = user_list
self.server_list = []
self.server_list_dict = {}
for i in self.user_list:
temp_server = Server(self, i, EventChain())
self.server_list.append(temp_server)
self.server_list_dict.update({i.user_id: self.server_list[-1]})
def reset(self, no_seed=False):
"""
Reset the Simulation object.
:param no_seed: is an optional parameter. If it is set to True, the RNG should be reset without a
a specific seed.
"""
self.sim_state = SimState()
self.system_state = SystemState(self)
self.event_chain = EventChain()
self.sim_result = SimResult(self)
self.counter_collection = CounterCollection(self)
if no_seed:
self.rng = RNG(ExponentialRNS(1),
ExponentialRNS(1. / float(self.sim_param.RHO)))
else:
self.rng = RNG(
ExponentialRNS(1, self.sim_param.SEED_IAT),
ExponentialRNS(1. / float(self.sim_param.RHO),
self.sim_param.SEED_ST))
def __init__(self, sim_param=SimParam(), no_seed=False):
"""
Initialize the Simulation object.
:param sim_param: is an optional SimParam object for parameter pre-configuration
:param no_seed: is an optional parameter. If it is set to True, the RNG should be initialized without a
a specific seed.
"""
self.sim_param = sim_param
self.sim_state = SimState()
self.system_state = SystemState(self)
self.event_chain = EventChain()
self.sim_result = SimResult(self)
self.counter_collection = CounterCollection(self)
if no_seed:
self.rng = RNG(ExponentialRNS(1),
ExponentialRNS(1. / float(self.sim_param.RHO)))
else:
self.rng = RNG(
ExponentialRNS(1, self.sim_param.SEED_IAT),
ExponentialRNS(1. / float(self.sim_param.RHO),
self.sim_param.SEED_ST))
class Simulation(object):
def __init__(self, sim_param=SimParam(), no_seed=False):
"""
Initialize the Simulation object.
:param sim_param: is an optional SimParam object for parameter pre-configuration
:param no_seed: is an optional parameter. If it is set to True, the RNG should be initialized without a
a specific seed.
"""
self.sim_param = sim_param
self.sim_state = SimState()
self.system_state = SystemState(self)
self.event_chain = EventChain()
self.sim_result = SimResult(self)
# TODO Task 2.4.3: Uncomment the line below
self.counter_collection = CounterCollection(self)
# TODO Task 3.1.2: Uncomment the line below and replace the "None"
if no_seed:
#if the mean = 1.0, then 1/lambda_ = 1.0 -> lambda_ = 1
self.rng = RNG(ExponentialRNS(1.0),
ExponentialRNS(1. / float(self.sim_param.RHO)))
else:
self.rng = RNG(
ExponentialRNS(1.0, self.sim_param.SEED_IAT),
ExponentialRNS(1. / float(self.sim_param.RHO),
self.sim_param.SEED_ST))
def reset(self, no_seed=False):
"""
Reset the Simulation object.
:param no_seed: is an optional parameter. If it is set to True, the RNG should be reset without a
a specific seed.
"""
self.sim_state = SimState()
self.system_state = SystemState(self)
self.event_chain = EventChain()
self.sim_result = SimResult(self)
# TODO Task 2.4.3: Uncomment the line below
self.counter_collection = CounterCollection(self)
# TODO Task 3.1.2: Uncomment the line below and replace the "None"
self.rng.iat_rns.set_parameters(1.)
self.rng.st_rns.set_parameters(1. / float(self.sim_param.RHO))
def do_simulation(self):
"""
Do one simulation run. Initialize simulation and create first and last event.
After that, one after another event is processed.
:return: SimResult object
"""
# insert first and last event
self.event_chain.insert(CustomerArrival(self, 0))
self.event_chain.insert(
SimulationTermination(self, self.sim_param.SIM_TIME))
# start simulation (run)
while not self.sim_state.stop:
# TODO Task 1.4.1: Your code goes here
"""
Hint:
You can use and adapt the following lines in your realization
e = self.event_chain.remove_oldest_event()
e.process()
"""
e = self.event_chain.remove_oldest_event()
if e:
if self.sim_state.now <= e.timestamp:
self.sim_state.now = e.timestamp
self.counter_collection.count_queue()
e.process()
else:
self.sim_state.stop = True
#pass
# TODO Task 2.4.3: Your code goes here somewhere
# gather results for sim_result object
self.sim_result.gather_results()
return self.sim_result
def do_simulation_n_limit(self, n, first_batch):
"""
Call this function, if the simulation should stop after a given number of packets
Do one simulation run. Initialize simulation and create first event.
After that, one after another event is processed.
:param n: number of customers, that are processed before the simulation stops
:return: SimResult object
"""
# insert first event
if not first_batch: # if this is a first batch
self.event_chain.insert(CustomerArrival(self, 0))
# start simulation (run)
while not self.sim_state.stop:
# TODO Task 4.3.2: Your code goes here
# TODO Task 5.2.2: Your code goes here
e = self.event_chain.remove_oldest_event()
if e:
if self.sim_state.now <= e.timestamp:
self.sim_state.now = e.timestamp
self.counter_collection.count_queue()
e.process()
if (self.sim_state.num_packets) >= n:
self.sim_state.stop = True
else:
self.sim_state.stop = True
#pass
# gather results for sim_result object
self.sim_result.gather_results()
return self.sim_result
class Simulation(object):
def __init__(self, sim_param=SimParam(), no_seed=False):
"""
Initialize the Simulation object.
:param sim_param: is an optional SimParam object for parameter pre-configuration
:param no_seed: is an optional parameter. If it is set to True, the RNG should be initialized without a
a specific seed.
"""
self.sim_param = sim_param
self.sim_state = SimState()
self.system_state = SystemState(self)
self.event_chain = EventChain()
self.sim_result = SimResult(self)
self.counter_collection = CounterCollection(self)
if no_seed:
self.rng = RNG(ExponentialRNS(1),
ExponentialRNS(1. / float(self.sim_param.RHO)))
else:
self.rng = RNG(
ExponentialRNS(1, self.sim_param.SEED_IAT),
ExponentialRNS(1. / float(self.sim_param.RHO),
self.sim_param.SEED_ST))
self.number_served_packets = 0
def reset(self, no_seed=False):
"""
Reset the Simulation object.
:param no_seed: is an optional parameter. If it is set to True, the RNG should be reset without a
a specific seed.
"""
self.sim_state = SimState()
self.system_state = SystemState(self)
self.event_chain = EventChain()
self.sim_result = SimResult(self)
self.counter_collection = CounterCollection(self)
if no_seed:
self.rng = RNG(ExponentialRNS(1),
ExponentialRNS(1. / float(self.sim_param.RHO)))
else:
self.rng = RNG(
ExponentialRNS(1, self.sim_param.SEED_IAT),
ExponentialRNS(1. / float(self.sim_param.RHO),
self.sim_param.SEED_ST))
def do_simulation(self):
"""
Do one simulation run. Initialize simulation and create first and last event.
After that, one after another event is processed.
:return: SimResult object
"""
# insert first and last event
self.event_chain.insert(CustomerArrival(self, 0))
self.event_chain.insert(
SimulationTermination(self, self.sim_param.SIM_TIME))
# start simulation (run)
while not self.sim_state.stop:
# get next simevent from events
e = self.event_chain.remove_oldest_event()
if e:
# if event exists and timestamps are ok, process the event
if self.sim_state.now <= e.timestamp:
self.sim_state.now = e.timestamp
self.counter_collection.count_queue()
e.process()
else:
print "NOW: " + str(
self.sim_state.now) + ", EVENT TIMESTAMP: " + str(
e.timestamp)
raise RuntimeError(
"ERROR: TIMESTAMP OF EVENT IS SMALLER THAN CURRENT TIME."
)
else:
print "Event chain is empty. Abort"
self.sim_state.stop = True
# gather results for sim_result object
self.sim_result.gather_results()
return self.sim_result
def do_simulation_n_limit(self, n):
"""
Call this function, if the simulation should stop after a given number of packets
Do one simulation run. Initialize simulation and create first event.
After that, one after another event is processed.
:param n: number of customers, that are processed before the simulation stops
:return: SimResult object
"""
# insert first event
self.event_chain.insert(CustomerArrival(self, 0))
# start simulation (run)
while (not self.sim_state.stop) and (self.number_served_packets <= n):
# TODO Task 4.3.2: Your code goes here
# TODO Task 5.2.2: Your code goes here
# get next simevent from events
e = self.event_chain.remove_oldest_event()
if e:
# if event exists and timestamps are ok, process the event
if self.sim_state.now <= e.timestamp:
self.sim_state.now = e.timestamp
self.counter_collection.count_queue()
e.process()
else:
print "NOW: " + str(
self.sim_state.now) + ", EVENT TIMESTAMP: " + str(
e.timestamp)
raise RuntimeError(
"ERROR: TIMESTAMP OF EVENT IS SMALLER THAN CURRENT TIME."
)
else:
print "Event chain is empty. Abort"
self.sim_state.stop = True
# gather results for sim_result object
self.sim_result.gather_results()
return self.sim_result
class Simulation(object):
def __init__(self, sim_param=SimParam(), no_seed=False):
"""
Initialize the Simulation object.
:param sim_param: is an optional SimParam object for parameter pre-configuration
:param no_seed: is an optional parameter. If it is set to True, the RNG should be initialized without a
a specific seed.
"""
self.sim_param = sim_param
self.sim_state = SimState()
self.system_state = SystemState(self)
self.event_chain = EventChain()
self.sim_result = SimResult(self)
# TODO Task 2.4.3: Uncomment the line below
# self.counter_collection = CounterCollection()
# TODO Task 3.1.2: Uncomment the line below and replace the "None"
"""
if no_seed:
self.rng = RNG(None, None)
else:
self.rng = RNG(None, None)
"""
def reset(self, no_seed=False):
"""
Reset the Simulation object.
:param no_seed: is an optional parameter. If it is set to True, the RNG should be reset without a
a specific seed.
"""
self.sim_state = SimState()
self.system_state = SystemState(self)
self.event_chain = EventChain()
self.sim_result = SimResult(self)
# TODO Task 2.4.3: Uncomment the line below
# self.counter_collection = CounterCollection()
# TODO Task 3.1.2: Uncomment the line below and replace the "None"
"""
if no_seed:
self.rng = RNG(None, None)
else:
self.rng = RNG(None, None)
"""
def do_simulation(self):
"""
Do one simulation run. Initialize simulation and create first and last event.
After that, one after another event is processed.
:return: SimResult object
"""
# insert first and last event
self.event_chain.insert(CustomerArrival(self, 0))
self.event_chain.insert(
SimulationTermination(self, self.sim_param.SIM_TIME))
# start simulation (run)
while not self.sim_state.stop:
# TODO Task 1.4.1: Your code goes here
"""
Hint:
You can use and adapt the following lines in your realization
e = self.event_chain.remove_oldest_event()
e.process()
"""
pass
# TODO Task 2.4.3: Your code goes here somewhere
# gather results for sim_result object
self.sim_result.gather_results()
return self.sim_result
def do_simulation_n_limit(self, n):
"""
Call this function, if the simulation should stop after a given number of packets
Do one simulation run. Initialize simulation and create first event.
After that, one after another event is processed.
:param n: number of customers, that are processed before the simulation stops
:return: SimResult object
"""
# insert first event
self.event_chain.insert(CustomerArrival(self, 0))
# start simulation (run)
while not self.sim_state.stop:
# TODO Task 4.3.2: Your code goes here
# TODO Task 5.2.2: Your code goes here
pass
# gather results for sim_result object
self.sim_result.gather_results()
return self.sim_result
def test_event_chain(self):
"""
Test module EventChain. Add and remove SimEvents and check the correct order.
"""
# priorities: SC = 0, CA = 1, ST = 2
e = EventChain()
e.insert(CustomerArrival(None, 10))
e.insert(SimulationTermination(None, 10))
e.insert(ServiceCompletion(None, 10))
e.insert(CustomerArrival(None, 5))
e.insert(ServiceCompletion(None, 2))
results = [[2, 0], [5, 1], [10, 0], [10, 1], [10, 2]]
for r in results:
ev = e.remove_oldest_event()
self.assertEqual(
[ev.timestamp, ev.priority],
r,
msg=
"Error in EventChain or SimEvent. Events are sorted or returned in the wrong order."
)
self.assertEqual(
len(e.event_list),
0,
msg="Error in EventChain or SimEvent. EventChain should be empty.")
class Simulation(object):
def __init__(self, sim_param=SimParam(), no_seed=False):
"""
Initialize the Simulation object.
:param sim_param: is an optional SimParam object for parameter pre-configuration
:param no_seed: is an optional parameter. If it is set to True, the RNG should be initialized without a
a specific seed.
"""
self.sim_param = sim_param
self.sim_state = SimState()
self.system_state = SystemState(self)
self.event_chain = EventChain()
self.sim_result = SimResult(self)
# TODO Task 2.4.3: Uncomment the line below
self.counter_collection = CounterCollection(self)
# TODO Task 3.1.2: Uncomment the line below and replace the "None"
rns1 = ExponentialRNS(1.0)
rns2 = ExponentialRNS(1.0 / self.sim_param.RHO)
rns1_seed = ExponentialRNS(1.0, self.sim_param.SEED_IAT)
rns2_seed = ExponentialRNS(1.0 / self.sim_param.RHO,
self.sim_param.SEED_ST)
if no_seed:
self.rng = RNG(rns1, rns2)
else:
self.rng = RNG(rns1_seed, rns2_seed)
def reset(self, no_seed=False):
"""
Reset the Simulation object.
:param no_seed: is an optional parameter. If it is set to True, the RNG should be reset without a
a specific seed.
"""
self.sim_state = SimState()
self.system_state = SystemState(self)
self.event_chain = EventChain()
self.sim_result = SimResult(self)
# TODO Task 2.4.3: Uncomment the line below
self.counter_collection = CounterCollection(self)
# TODO Task 3.1.2: Uncomment the line below and replace the "None"
rns1 = ExponentialRNS(1.0)
rns2 = ExponentialRNS(1.0 / self.sim_param.RHO)
rns1_seed = ExponentialRNS(1.0, self.sim_param.SEED_IAT)
rns2_seed = ExponentialRNS(1.0 / self.sim_param.RHO,
self.sim_param.SEED_ST)
if no_seed:
self.rng = RNG(rns1, rns2)
else:
self.rng = RNG(rns1_seed, rns2_seed)
def do_simulation(self):
"""
Do one simulation run. Initialize simulation and create first and last event.
After that, one after another event is processed.
:return: SimResult object
"""
# insert first and last event
self.event_chain.insert(CustomerArrival(self, 0))
self.event_chain.insert(
SimulationTermination(self, self.sim_param.SIM_TIME))
# start simulation (run)
while not self.sim_state.stop:
# TODO Task 1.4.1: Your code goes here
"""
Hint:
You can use and adapt the following lines in your realization
e = self.event_chain.remove_oldest_event()
e.process()
"""
e = self.event_chain.remove_oldest_event()
if e:
# if event exists and timestamps are ok, process the event
if self.sim_state.now <= e.timestamp:
self.sim_state.now = e.timestamp
self.counter_collection.count_queue()
e.process()
else:
print "NOW: " + str(
self.sim_state.now) + ", EVENT TIMESTAMP: " + str(
e.timestamp)
raise RuntimeError(
"ERROR: TIMESTAMP OF EVENT IS SMALLER THAN CURRENT TIME."
)
else:
print "Event chain is empty. Abort"
self.sim_state.stop = True
# TODO Task 2.4.3: Your code goes here somewhere
#self.counter_collection.count_queue()
# gather results for sim_result object
self.sim_result.gather_results()
return self.sim_result
def do_simulation_n_limit(self, n):
"""
Call this function, if the simulation should stop after a given number of packets
Do one simulation run. Initialize simulation and create first event.
After that, one after another event is processed.
:param n: number of customers, that are processed before the simulation stops
:return: SimResult object
"""
# insert first event
self.event_chain.insert(CustomerArrival(self, 0))
# start simulation (run)
while not self.sim_state.stop:
# TODO Task 4.3.2: Your code goes here
# TODO Task 5.2.2: Your code goes here
pass
# gather results for sim_result object
self.sim_result.gather_results()
return self.sim_result
class SliceSimulation(object):
def __init__(self, slice_param):
"""
Initialize the Slice Simulation object.
:param slice_param: is an optional SliceParam object for parameter pre-configuration
:param no_seed: is an optional parameter. If it is set to True, the RNG should be initialized without a
a specific seed.
"""
self.slice_param = slice_param
self.sim_state = SimState()
self.slice_result = SliceResult(self)
self.event_chain_slice_manager = EventChain()
self.slice_manager = SliceManager(self)
self.user_list = []
self.server_list = []
self.server_list_dict = {}
def insert_users(self, user_list):
self.user_list = user_list
self.server_list = []
self.server_list_dict = {}
for i in self.user_list:
temp_server = Server(self, i, EventChain())
self.server_list.append(temp_server)
self.server_list_dict.update({i.user_id: self.server_list[-1]})
def reset(self):
"""
Reset the Simulation object.
"""
self.sim_state = SimState()
self.slice_result = SliceResult(self)
def remove_upcoming_events(self):
"""
Check the timestamps of oldest events from each event chain of users and SliceManager
Find the smallest timestamp and remove only the events with this timestamp
Return current_events[]
"""
current_events = []
current_events_dict = {}
t_arr = []
for i in self.server_list: # t_arr includes timestamps of oldest events in all event_chains
#t_arr.append(i.event_chain.event_list[0].timestamp)
if len(i.event_chain.event_list)!=0:
t_arr.append(float(i.event_chain.copy_oldest_event().timestamp))
else:
t_arr.append(np.inf)
#t_arr.append(self.event_chain_slice_manager.event_list[0].timestamp) # last element of t_arr belongs event_chain_slice_manager
t_arr.append(float(self.event_chain_slice_manager.copy_oldest_event().timestamp))
t_arr = np.array(t_arr)
current_events_idx = (t_arr == t_arr.min())
for i in range(len(current_events_idx) - 1):
if current_events_idx[i]:
current_events.append(self.server_list[i].event_chain.remove_oldest_event()) # remove oldest elements from event chains
current_events_dict.update({current_events[-1]: self.server_list[i]})
if current_events_idx[-1]:
current_events.append(self.event_chain_slice_manager.remove_oldest_event()) # remove oldest element from event_chain_slice_manager
current_events_dict.update({current_events[-1]: self.event_chain_slice_manager})
return current_events, current_events_dict
def prep_next_round(self, RB_mapping):
"""
Prepares the Simulation object for the next round.
"""
self.sim_state.prep_next_round()
for i in self.server_list:
i.server_state.prep_next_round()
self.slice_param.RB_mapping = RB_mapping
#self.slice_result = SliceResult(self) # server results are not reset due to counters
# self.rng.iat_rns.set_parameters(1.)
# self.rng.st_rns.set_parameters(1. / float(self.slice_param.RHO))
def simulate_one_round(self):
"""
Do one simulation run. Initialize simulation and create first and last event.
After that, one after another event is processed.
:return: SliceResult object
"""
self.sim_state.t_round_start = self.sim_state.now
# insert first and last event
self.event_chain_slice_manager.insert(RoundTermination(self, self.sim_state.now + self.slice_param.T_C))
# insert periodic RB_Allocation events
t_arr = np.arange(self.sim_state.now, self.sim_state.now + self.slice_param.T_C, self.slice_param.T_SM)
for t in t_arr:
self.event_chain_slice_manager.insert(RB_Allocation(self, t))
# insert packet arrivals from traffic lists of users
for u in self.user_list:
tmp = u.traffic_list_dict[self.slice_param.SLICE_ID]
tmp_traffic_list = filter(lambda item: (
self.sim_state.now <= item.timestamp < self.sim_state.now + self.slice_param.T_C),
tmp)
tmp_server = self.server_list_dict[u.user_id]
for pa in tmp_traffic_list:
#t_drop = pa.timestamp + self.slice_param.DELAY_REQ
#pd = PacketDrop(self, t_drop)
tmp_server.event_chain.insert(pa)
#tmp_server.event_chain.insert(pd)
# start simulation (run)
while not self.sim_state.stop:
# remove upcoming events
[current_events, current_events_dict] = self.remove_upcoming_events()
if len(current_events) != len(current_events_dict):
raise RuntimeError("ERROR: Event to server mapping error.")
for e in current_events:
if e:
# if event exists and timestamps are ok, process the event
if self.sim_state.now <= e.timestamp:
self.sim_state.now = e.timestamp
if not (e.priority == 4 or e.priority == 5): # dont count for for slice manager events
current_events_dict[e].counter_collection.count_queue()
e.process(current_events_dict[e])
#if e.timestamp % 1000 == 0:
# print("TIMESTAMP: " + str(e.timestamp) + ",PRIORITY " + str(e.priority))
else:
print("NOW: " + str(self.sim_state.now) + ", EVENT TIMESTAMP: " + str(e.timestamp) + " " + str(e.priority))
raise RuntimeError("ERROR: TIMESTAMP OF EVENT IS SMALLER THAN CURRENT TIME.")
else:
print("Event chain is empty. Abort")
self.sim_state.stop = True
# gather results for slice_result object and all servers results
self.server_results = []
self.server_results_dict = {}
for i in self.user_list:
tmp_server = self.server_list_dict[i.user_id]
self.server_results.append(tmp_server.server_result.gather_results)
self.server_results_dict.update({i.user_id: self.server_results[-1]})
self.slice_result.gather_results(self.server_results)
#return self.slice_result
def simulate_one_slot(self):
"""
"""
# insert RB_Allocation event
self.event_chain_slice_manager.insert(RB_Allocation(self, self.sim_state.now))
# insert packet arrivals from traffic lists of users
for i in self.user_list:
tmp = i.traffic_list_dict[self.slice_param.SLICE_ID]
tmp_traffic_list = filter(lambda item: (
self.sim_state.now <= item.timestamp < self.sim_state.now + self.slice_param.T_SM),
tmp)
tmp_server = self.server_list_dict[i.user_id]
for j in tmp_traffic_list:
tmp_server.event_chain.insert(j)
# start simulation (run)
while not self.sim_state.stop:
# remove upcoming events
[current_events, current_events_dict] = self.remove_upcoming_events()
if len(current_events) != len(current_events_dict):
raise RuntimeError("ERROR: Event to server mapping error.")
for e in current_events:
if e.timestamp == 80:
msa = 3
if e.priority == 0:
msa = 3
if e:
# if event exists and timestamps are ok, process the event
if self.sim_state.now <= e.timestamp:
self.sim_state.now = e.timestamp
if not (e.priority == 4 or e.priority == 5): # dont count for for slice manager events
current_events_dict[e].counter_collection.count_queue()
e.process(current_events_dict[e])
if e.timestamp % 1000 == 0:
print("TIMESTAMP: " + str(e.timestamp) + ",PRIORITY " + str(e.priority))
else:
print("NOW: " + str(self.sim_state.now) + ", EVENT TIMESTAMP: " + str(e.timestamp) + " " + str(e.priority))
raise RuntimeError("ERROR: TIMESTAMP OF EVENT IS SMALLER THAN CURRENT TIME.")
else:
print("Event chain is empty. Abort")
self.sim_state.stop = True
# gather results for slice_result object and all servers results
self.server_results = []
self.server_results_dict = {}
for i in self.user_list:
tmp_server = self.server_list_dict[i.user_id]
self.server_results.append(tmp_server.server_result.gather_results)
self.server_results_dict.update({i.user_id: self.server_results[-1]})
self.slice_result.gather_results(self.server_results)
return self.slice_result