from typing import Dict, Any, List, Tuple
from csle_common.dao.emulation_config.emulation_env_state import EmulationEnvState
from csle_common.dao.system_identification.emulation_statistics import EmulationStatistics
from csle_common.dao.emulation_action.attacker.emulation_attacker_action import EmulationAttackerAction
from csle_common.dao.emulation_action.defender.emulation_defender_action import EmulationDefenderAction
from csle_common.metastore.metastore_facade import MetastoreFacade
from csle_base.json_serializable import JSONSerializable
[docs]class EmulationStatisticsWindowed(JSONSerializable):
"""
Windowed emulation statistic. The statistic is updated with the last <window size> samples
"""
def __init__(self, window_size: int, emulation_name: str, descr: str):
"""
Initializes the DTO
:param window_size: the window size
:param emulation_name: the emulation name
:param descr: the description
"""
self.window_size = window_size
self.initial_states: List[EmulationEnvState] = []
self.state_transitions: List[Tuple[EmulationEnvState, EmulationEnvState, EmulationDefenderAction,
EmulationAttackerAction]] = []
self.emulation_name = emulation_name
self.descr = descr
self.emulation_statistics = EmulationStatistics(emulation_name=self.emulation_name, descr=self.descr)
self.statistics_id = MetastoreFacade.save_emulation_statistic(emulation_statistics=self.emulation_statistics)
[docs] def add_initial_state(self, s: EmulationEnvState) -> None:
"""
Adds an initial state sample
:param s: the initial state
:return: None
"""
if len(self.initial_states) >= self.window_size:
self.initial_states.pop(0)
self.initial_states.append(s)
[docs] def add_state_transition(self, s: EmulationEnvState, s_prime: EmulationEnvState, a1: EmulationDefenderAction,
a2: EmulationAttackerAction) -> None:
"""
Adds a state transition samlpe
:param s: the state
:param s_prime: the next state
:param a1: the defender action
:param a2: the attacker action
:return: None
"""
if len(self.state_transitions) >= self.window_size:
self.state_transitions.pop(0)
self.state_transitions.append((s, s_prime, a1, a2))
[docs] def update_emulation_statistics(self) -> None:
"""
Updates the emulation statistic using the current window of samples
:return: None
"""
if len(self.state_transitions) == 0:
return
try:
new_emulation_statistics = EmulationStatistics(emulation_name=self.emulation_name, descr=self.descr)
print(f"updating statistic, num samples: {len(self.state_transitions)}")
for i in range(len(self.state_transitions)):
new_emulation_statistics.update_delta_statistics(
s=self.state_transitions[i][0], s_prime=self.state_transitions[i][1],
a1=self.state_transitions[i][2], a2=self.state_transitions[i][3])
for i in range(len(self.initial_states)):
new_emulation_statistics.update_initial_statistics(s=self.initial_states[i])
self.emulation_statistics = new_emulation_statistics
self.emulation_statistics.id = self.statistics_id
MetastoreFacade.update_emulation_statistic(emulation_statistics=self.emulation_statistics,
id=self.statistics_id)
except Exception:
pass
[docs] @staticmethod
def from_dict(d: Dict[str, Any]) -> "EmulationStatisticsWindowed":
"""
Converts a dict representation of the object into an instance
:param d: the dict to convert
:return: the created instance
"""
obj = EmulationStatisticsWindowed(
window_size=d["window_size"], emulation_name=d["emulation_name"], descr=d["descr"]
)
obj.emulation_statistics = EmulationStatistics.from_dict(d["emulation_statistics"])
obj.statistics_id = d["statistics_id"]
return obj
[docs] def to_dict(self) -> Dict[str, Any]:
"""
Converts the object to a dict representation
:return: a dict representation of the object
"""
d: Dict[str, Any] = {}
d["window_size"] = self.window_size
d["initial_states"] = list(map(lambda x: x.to_dict(), self.initial_states))
d["state_transitions"] = list(map(lambda x: (x[0].to_dict(), x[1].to_dict(), x[2].to_dict(), x[3].to_dict()),
self.state_transitions))
d["emulation_name"] = self.emulation_name
d["descr"] = self.descr
d["emulation_statistics"] = self.emulation_statistics.to_dict()
d["statistics_id"] = self.statistics_id
return d
[docs] @staticmethod
def from_json_file(json_file_path: str) -> "EmulationStatisticsWindowed":
"""
Reads a json file and converts it to a DTO
:param json_file_path: the json file path
:return: the converted DTO
"""
import io
import json
with io.open(json_file_path, 'r') as f:
json_str = f.read()
return EmulationStatisticsWindowed.from_dict(json.loads(json_str))