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# Copyright 2021-2023 H2020 TeraFlow (https://www.teraflow-h2020.eu/)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
import time
from typing import List
from grpclib.client import Channel
from prometheus_client import Counter
from common.proto.asyncio.optical_attack_detector_grpc import \
OpticalAttackDetectorServiceStub
from common.proto.asyncio.optical_attack_detector_pb2 import DetectionRequest
from common.Settings import get_log_level, get_setting
DROP_COUNTER = Counter(
"optical_security_dropped_assessments",
"Dropped assessments due to detector timeout",
)
log_level = get_log_level()
logging.basicConfig(level=log_level)
LOGGER = logging.getLogger(__name__)
async def detect_attack(
host: str,
port: int,
context_id: str,
service_id: str,
kpi_id: str,
timeout: float = 20.0,
) -> None:
try:
LOGGER.debug("Sending request for {}...".format(service_id))
async with Channel(host, port) as channel:
stub = OpticalAttackDetectorServiceStub(channel)
request: DetectionRequest = DetectionRequest()
request.service_id.context_id.context_uuid.uuid = context_id
request.service_id.service_uuid.uuid = str(service_id)
request.kpi_id.kpi_id.uuid = kpi_id
await stub.DetectAttack(request, timeout=timeout)
LOGGER.debug("Monitoring finished for {}/{}".format(service_id, kpi_id))
except Exception as e:
LOGGER.warning(
"Exception while processing service_id {}/{}".format(service_id, kpi_id)
)
LOGGER.exception(e)
DROP_COUNTER.inc()