def test_context(rpc_mode='REQUEST_REPLY'):
port = portpicker.pick_unused_port()
server_pool = logging_pool.pool(max_workers=1)
server = grpc.server(server_pool)
server.add_insecure_port('[::]:{}'.format(port))
target_executor = executor_stacks.local_executor_factory(
num_clients=3).create_executor({})
tracer = executor_test_utils.TracingExecutor(target_executor)
service = executor_service.ExecutorService(tracer)
executor_pb2_grpc.add_ExecutorServicer_to_server(service, server)
server.start()
channel = grpc.insecure_channel('localhost:{}'.format(port))
remote_exec = remote_executor.RemoteExecutor(channel, rpc_mode)
executor = reference_resolving_executor.ReferenceResolvingExecutor(
remote_exec)
try:
yield collections.namedtuple('_', 'executor tracer')(executor, tracer)
finally:
executor.close()
tracer.close()
try:
channel.close()
except AttributeError:
pass # Public gRPC channel doesn't support close()
finally:
server.stop(None)
def server_context(ex_factory: executor_factory.ExecutorFactory,
num_threads: int,
port: int,
credentials: Optional[grpc.ServerCredentials] = None,
options: Optional[List[Tuple[Any, Any]]] = None):
"""Context manager yielding gRPC server hosting simulation component.
Args:
ex_factory: The executor factory to be hosted by the server.
num_threads: The number of network threads to use for handling gRPC calls.
port: The port to listen on (for gRPC), must be a non-zero integer.
credentials: The optional credentials to use for the secure connection if
any, or `None` if the server should open an insecure port. If specified,
must be a valid `ServerCredentials` object that can be accepted by the
gRPC server's `add_secure_port()`.
options: The optional `list` of server options, each in the `(key, value)`
format accepted by the `grpc.server()` constructor.
Yields:
The constructed gRPC server.
Raises:
ValueError: If `num_threads` or `port` are invalid.
"""
py_typecheck.check_type(ex_factory, executor_factory.ExecutorFactory)
py_typecheck.check_type(num_threads, int)
py_typecheck.check_type(port, int)
if credentials is not None:
py_typecheck.check_type(credentials, grpc.ServerCredentials)
if num_threads < 1:
raise ValueError('The number of threads must be a positive integer.')
if port < 1:
raise ValueError('The server port must be a positive integer.')
try:
service = executor_service.ExecutorService(ex_factory)
server_kwargs = {}
if options is not None:
server_kwargs['options'] = options
thread_pool_executor = concurrent.futures.ThreadPoolExecutor(
max_workers=num_threads)
server = grpc.server(thread_pool_executor, **server_kwargs)
full_port_string = '[::]:{}'.format(port)
if credentials is not None:
server.add_secure_port(full_port_string, credentials)
else:
server.add_insecure_port(full_port_string)
executor_pb2_grpc.add_ExecutorServicer_to_server(service, server)
server.start()
yield server
except KeyboardInterrupt:
logging.info('Server stopped by KeyboardInterrupt.')
finally:
logging.info('Shutting down server.')
thread_pool_executor.shutdown(wait=False)
server.stop(None)
ex_factory.clean_up_executors()
def __init__(self, executor: executor_base.Executor):
port = portpicker.pick_unused_port()
server_pool = logging_pool.pool(max_workers=1)
self._server = grpc.server(server_pool)
self._server.add_insecure_port('[::]:{}'.format(port))
self._service = executor_service.ExecutorService(executor)
executor_pb2_grpc.add_ExecutorServicer_to_server(
self._service, self._server)
self._server.start()
self._channel = grpc.insecure_channel('localhost:{}'.format(port))
self._stub = executor_pb2_grpc.ExecutorStub(self._channel)
def run_server(executor, num_threads, port, credentials=None, options=None):
"""Runs a gRPC server hosting a simulation component in this process.
The server runs indefinitely, but can be stopped by a keyboard interrrupt.
Args:
executor: The executor to be hosted by the server.
num_threads: The number of network threads to use for handling gRPC calls.
port: The port to listen on (for gRPC), must be a non-zero integer.
credentials: The optional credentials to use for the secure connection if
any, or `None` if the server should open an insecure port. If specified,
must be a valid `ServerCredentials` object that can be accepted by the
gRPC server's `add_secure_port()`.
options: The optional `list` of server options, each in the `(key, value)`
format accepted by the `grpc.server()` constructor.
Raises:
ValueError: If `num_threads` or `port` are invalid.
"""
py_typecheck.check_type(executor, executor_base.Executor)
py_typecheck.check_type(num_threads, int)
py_typecheck.check_type(port, int)
if credentials is not None:
py_typecheck.check_type(credentials, grpc.ServerCredentials)
if num_threads < 1:
raise ValueError('The number of threads must be a positive integer.')
if port < 1:
raise ValueError('The server port must be a positive integer.')
service = executor_service.ExecutorService(executor)
server_kwargs = {}
if options is not None:
server_kwargs['options'] = options
server = grpc.server(
concurrent.futures.ThreadPoolExecutor(max_workers=num_threads),
**server_kwargs)
full_port_string = '[::]:{}'.format(port)
if credentials is not None:
server.add_secure_port(full_port_string, credentials)
else:
server.add_insecure_port(full_port_string)
executor_pb2_grpc.add_ExecutorServicer_to_server(service, server)
server.start()
try:
while True:
time.sleep(_ONE_DAY_IN_SECONDS)
except KeyboardInterrupt:
server.stop(None)
def __init__(self,
ex_factory: executor_factory.ExecutorFactory,
num_clients: int = 0):
port = portpicker.pick_unused_port()
self._server_pool = logging_pool.pool(max_workers=1)
self._server = grpc.server(self._server_pool)
self._server.add_insecure_port('[::]:{}'.format(port))
self._service = executor_service.ExecutorService(ex_factory=ex_factory)
executor_pb2_grpc.add_ExecutorServicer_to_server(self._service,
self._server)
self._server.start()
self._channel = grpc.insecure_channel('localhost:{}'.format(port))
self._stub = executor_pb2_grpc.ExecutorStub(self._channel)
serialized_cards = executor_serialization.serialize_cardinalities(
{placement_literals.CLIENTS: num_clients})
self._stub.SetCardinalities(
executor_pb2.SetCardinalitiesRequest(cardinalities=serialized_cards))
def test_context(rpc_mode='REQUEST_REPLY'):
port = portpicker.pick_unused_port()
server_pool = logging_pool.pool(max_workers=1)
server = grpc.server(server_pool)
server.add_insecure_port('[::]:{}'.format(port))
target_factory = executor_stacks.local_executor_factory(num_clients=3)
tracers = []
def _tracer_fn(cardinalities):
tracer = executor_test_utils.TracingExecutor(
target_factory.create_executor(cardinalities))
tracers.append(tracer)
return tracer
service = executor_service.ExecutorService(
executor_stacks.ResourceManagingExecutorFactory(_tracer_fn))
executor_pb2_grpc.add_ExecutorServicer_to_server(service, server)
server.start()
channel = grpc.insecure_channel('localhost:{}'.format(port))
stub = executor_pb2_grpc.ExecutorStub(channel)
serialized_cards = executor_service_utils.serialize_cardinalities(
{placement_literals.CLIENTS: 3})
stub.SetCardinalities(
executor_pb2.SetCardinalitiesRequest(cardinalities=serialized_cards))
remote_exec = remote_executor.RemoteExecutor(channel, rpc_mode)
executor = reference_resolving_executor.ReferenceResolvingExecutor(
remote_exec)
try:
yield collections.namedtuple('_', 'executor tracers')(executor,
tracers)
finally:
executor.close()
for tracer in tracers:
tracer.close()
try:
channel.close()
except AttributeError:
pass # Public gRPC channel doesn't support close()
finally:
server.stop(None)
def test_context():
port = portpicker.pick_unused_port()
server_pool = logging_pool.pool(max_workers=1)
server = grpc.server(server_pool)
server.add_insecure_port('[::]:{}'.format(port))
target_factory = executor_test_utils.LocalTestExecutorFactory(
default_num_clients=3)
tracers = []
def _tracer_fn(cardinalities):
tracer = executor_test_utils.TracingExecutor(
target_factory.create_executor(cardinalities))
tracers.append(tracer)
return tracer
service = executor_service.ExecutorService(
executor_test_utils.BasicTestExFactory(_tracer_fn))
executor_pb2_grpc.add_ExecutorGroupServicer_to_server(service, server)
server.start()
channel = grpc.insecure_channel('localhost:{}'.format(port))
stub = remote_executor_grpc_stub.RemoteExecutorGrpcStub(channel)
remote_exec = remote_executor.RemoteExecutor(stub)
remote_exec.set_cardinalities({placements.CLIENTS: 3})
executor = reference_resolving_executor.ReferenceResolvingExecutor(
remote_exec)
try:
yield collections.namedtuple('_', 'executor tracers')(executor,
tracers)
finally:
executor.close()
for tracer in tracers:
tracer.close()
try:
channel.close()
except AttributeError:
pass # Public gRPC channel doesn't support close()
finally:
server.stop(None)
