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import asyncio
import logging
import grpc
from common.Settings import get_log_level, get_setting
from common.proto.dbscanserving_pb2 import DetectionRequest, DetectionResponse, Sample
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from common.proto.dbscanserving_pb2_grpc import DetectorStub
# For more channel options, please see https://grpc.io/grpc/core/group__grpc__arg__keys.html
CHANNEL_OPTIONS = [('grpc.lb_policy_name', 'pick_first'),
('grpc.enable_retries', True),
('grpc.keepalive_timeout_ms', 10000)]
# based on https://github.com/grpc/grpc/blob/master/examples/python/helloworld/async_greeter_client_with_options.py
async def run(endpoint, service_id) -> None:
async with grpc.aio.insecure_channel(target=endpoint,
options=CHANNEL_OPTIONS) as channel:
stub = DetectorStub(channel)
# generate data
alien_samples = random.randint(2, 20)
request: DetectionRequest = DetectionRequest()
request.num_samples = 300 + alien_samples
request.num_features = 20
request.eps = 100.5
request.min_samples = 5
for _ in range(200):
grpc_sample = Sample()
for __ in range(20):
grpc_sample.features.append(random.uniform(0., 10.))
request.samples.append(grpc_sample)
for _ in range(100):
grpc_sample = Sample()
for __ in range(20):
grpc_sample.features.append(random.uniform(50., 60.))
request.samples.append(grpc_sample)
for _ in range(alien_samples):
grpc_sample = Sample()
for __ in range(20):
grpc_sample.features.append(random.uniform(5000., 6000.))
request.samples.append(grpc_sample)
# Timeout in seconds.
# Please refer gRPC Python documents for more detail. https://grpc.io/grpc/python/grpc.html
response: DetectionResponse = await stub.Detect(request,
timeout=10)
print("Greeter client received:", service_id)
return service_id * 2
async def main_loop():
host = get_setting('DBSCANSERVINGSERVICE_SERVICE_HOST')
port = get_setting('DBSCANSERVINGSERVICE_SERVICE_PORT_GRPC')
endpoint = '{:s}:{:s}'.format(str(host), str(port))
ret = await asyncio.gather(
run(endpoint, 1),
run(endpoint, 2)
)
print(ret)
if __name__ == '__main__':
logging.basicConfig()
asyncio.run(main_loop())