def __call__(self):
with self._state.condition:
self._state.parked_handlers += 1
if self._state.parked_handlers == test_constants.THREAD_CONCURRENCY:
self._state.condition.notify_all()
while not self._state.handlers_released:
self._state.condition.wait()
with self._lock:
self._call.start_server_batch(
(cygrpc.ReceiveCloseOnServerOperation(_EMPTY_FLAGS), ),
_RECEIVE_CLOSE_ON_SERVER_TAG)
self._call.start_server_batch(
(cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS), ),
_RECEIVE_MESSAGE_TAG)
first_event = self._completion_queue.poll()
if _is_cancellation_event(first_event):
self._completion_queue.poll()
else:
with self._lock:
operations = (
cygrpc.SendInitialMetadataOperation(
_EMPTY_METADATA, _EMPTY_FLAGS),
cygrpc.SendMessageOperation(b'\x79\x57', _EMPTY_FLAGS),
cygrpc.SendStatusFromServerOperation(
_EMPTY_METADATA, cygrpc.StatusCode.ok,
b'test details!', _EMPTY_FLAGS),
)
self._call.start_server_batch(operations,
_SERVER_COMPLETE_CALL_TAG)
self._completion_queue.poll()
self._completion_queue.poll()
def unary_request():
with state.condition:
if state.client is _CANCELLED or state.statused:
return None
else:
rpc_event.call.start_server_batch(
(cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS), ),
_receive_message(state, rpc_event.call,
request_deserializer))
state.due.add(_RECEIVE_MESSAGE_TOKEN)
while True:
state.condition.wait()
if state.request is None:
if state.client is _CLOSED:
details = '"{}" requires exactly one request message.'.format(
rpc_event.call_details.method)
_abort(state, rpc_event.call,
cygrpc.StatusCode.unimplemented,
_common.encode(details))
return None
elif state.client is _CANCELLED:
return None
else:
request = state.request
state.request = None
return request
def future(self,
request_iterator,
timeout=None,
metadata=None,
credentials=None):
deadline = _deadline(timeout)
state = _RPCState(_STREAM_UNARY_INITIAL_DUE, None, None, None, None)
call, drive_call = self._managed_call(None, 0, self._method, None,
deadline)
if credentials is not None:
call.set_credentials(credentials._credentials)
event_handler = _event_handler(state, call, self._response_deserializer)
with state.condition:
call.start_client_batch(
(cygrpc.ReceiveInitialMetadataOperation(_EMPTY_FLAGS),),
event_handler)
operations = (
cygrpc.SendInitialMetadataOperation(metadata, _EMPTY_FLAGS),
cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
cygrpc.ReceiveStatusOnClientOperation(_EMPTY_FLAGS),
)
call_error = call.start_client_batch(operations, event_handler)
if call_error != cygrpc.CallError.ok:
_call_error_set_RPCstate(state, call_error, metadata)
return _Rendezvous(state, None, None, deadline)
drive_call()
_consume_request_iterator(request_iterator, state, call,
self._request_serializer)
return _Rendezvous(state, call, self._response_deserializer, deadline)
def _blocking(self, request_iterator, timeout, metadata, credentials):
deadline = _deadline(timeout)
state = _RPCState(_STREAM_UNARY_INITIAL_DUE, None, None, None, None)
completion_queue = cygrpc.CompletionQueue()
call = self._channel.create_call(None, 0, completion_queue,
self._method, None, deadline)
if credentials is not None:
call.set_credentials(credentials._credentials)
with state.condition:
call.start_client_batch(
(cygrpc.ReceiveInitialMetadataOperation(_EMPTY_FLAGS),), None)
operations = (
cygrpc.SendInitialMetadataOperation(metadata, _EMPTY_FLAGS),
cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
cygrpc.ReceiveStatusOnClientOperation(_EMPTY_FLAGS),
)
call_error = call.start_client_batch(operations, None)
_check_call_error(call_error, metadata)
_consume_request_iterator(request_iterator, state, call,
self._request_serializer)
while True:
event = completion_queue.poll()
with state.condition:
_handle_event(event, state, self._response_deserializer)
state.condition.notify_all()
if not state.due:
break
return state, call, deadline
def _next(self):
with self._state.condition:
if self._state.code is None:
event_handler = _event_handler(self._state,
self._response_deserializer)
operating = self._call.operate(
(cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS), ),
event_handler)
if operating:
self._state.due.add(cygrpc.OperationType.receive_message)
elif self._state.code is grpc.StatusCode.OK:
raise StopIteration()
else:
raise self
while True:
self._state.condition.wait()
if self._state.response is not None:
response = self._state.response
self._state.response = None
return response
elif cygrpc.OperationType.receive_message not in self._state.due:
if self._state.code is grpc.StatusCode.OK:
raise StopIteration()
elif self._state.code is not None:
raise self
def _process_future(self, future):
# The grpc callback triggered; time to figure out what happened,
# and set the given future if necessary.
if self.stream._state.response is not None:
# event: we received something
# Put it in the future and move on
response = self.stream._state.response
self.stream._state.response = None
self.loop.call_soon_threadsafe(future.set_result, response)
return
elif cygrpc.OperationType.receive_message not in self.stream._state.due:
if self.stream._state.code is grpc.StatusCode.OK:
# event: stream closed
# Tell the future we're done
self.loop.call_soon_threadsafe(future.set_exception,
StopAsyncIteration())
return
elif self.stream._state.code is not None:
# event: some sort of stream error
# self.stream is a grpc._Rendezvous object that normally
# gives us stream results, but they double as grpc.RpcError
# So we raise it
self.loop.call_soon_threadsafe(future.set_exception,
self.stream)
return
# An event we aren't interested in happened; we should wait for the next event.
#########
event_handler = lambda event: self.handle_event(event, future)
self.stream._call.start_client_batch(
(cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS), ), event_handler)
self.stream._state.due.add(cygrpc.OperationType.receive_message)
def _next(self):
"""
Returns a future for the next value in an iterator
"""
# ensure there is only one outstanding request at any given time, or segfault happens
if cygrpc.OperationType.receive_message in self.stream._state.due:
raise ValueError("Prior future was not resolved")
future = Future()
# this method is the same as the first part of _Rendevous._next
with self.stream._state.condition:
if self.stream._state.code is None:
# Give grpc an event handler (self.handle_event) to call
# whenever something changes with the stream
# e.g. a batch is received or the channel is closed
event_handler = lambda event: self.handle_event(event, future)
self.stream._call.start_client_batch(
(cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS), ),
event_handler)
self.stream._state.due.add(
cygrpc.OperationType.receive_message)
# if the stream is already finished (OK), just end now
elif self.stream._state.code is grpc.StatusCode.OK:
future.set_exception(StopAsyncIteration())
# if there's already an error in the stream, set the error and return
else:
future.set_exception(self.stream)
return future
def _stream_unary_invocation_operationses(metadata):
return (
(
cygrpc.SendInitialMetadataOperation(metadata, _EMPTY_FLAGS),
cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
cygrpc.ReceiveStatusOnClientOperation(_EMPTY_FLAGS),
),
(cygrpc.ReceiveInitialMetadataOperation(_EMPTY_FLAGS),),
)
def _raise_or_start_receive_message(self):
if self._state.client is _CANCELLED:
_raise_rpc_error(self._state)
elif not _is_rpc_state_active(self._state):
raise StopIteration()
else:
self._call.start_server_batch(
(cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS), ),
_receive_message(self._state, self._call,
self._request_deserializer))
self._state.due.add(_RECEIVE_MESSAGE_TOKEN)
def _prepare(self, request, timeout, metadata):
deadline, serialized_request, rendezvous = _start_unary_request(
request, timeout, self._request_serializer)
if serialized_request is None:
return None, None, None, rendezvous
else:
state = _RPCState(_UNARY_UNARY_INITIAL_DUE, None, None, None, None)
operations = (
cygrpc.SendInitialMetadataOperation(metadata, _EMPTY_FLAGS),
cygrpc.SendMessageOperation(serialized_request, _EMPTY_FLAGS),
cygrpc.SendCloseFromClientOperation(_EMPTY_FLAGS),
cygrpc.ReceiveInitialMetadataOperation(_EMPTY_FLAGS),
cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
cygrpc.ReceiveStatusOnClientOperation(_EMPTY_FLAGS),
)
return state, operations, deadline, None
def operate_async_stream_call(it, wrapper):
future = futures.Future()
callback = on_event_callback(future, it, wrapper)
with it._state.condition:
if it._state.code is None:
it._state.on_event_handler_callback = callback
operating = it._call.operate(
(cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS), ),
_event_handler(it._state, it._response_deserializer))
if operating:
it._state.due.add(cygrpc.OperationType.receive_message)
elif it._state.code is grpc.StatusCode.OK:
future.set_exception(StopIteration())
else:
future.set_exception(it)
return future
def _prepare(self, request, timeout, metadata, wait_for_ready, compression):
deadline, serialized_request, rendezvous = _start_unary_request(
request, timeout, self._request_serializer)
initial_metadata_flags = _InitialMetadataFlags().with_wait_for_ready(
wait_for_ready)
augmented_metadata = _compression.augment_metadata(
metadata, compression)
if serialized_request is None:
return None, None, None, rendezvous
else:
state = _RPCState(_UNARY_UNARY_INITIAL_DUE, None, None, None, None)
operations = (
cygrpc.SendInitialMetadataOperation(augmented_metadata,
initial_metadata_flags),
cygrpc.SendMessageOperation(serialized_request, _EMPTY_FLAGS),
cygrpc.SendCloseFromClientOperation(_EMPTY_FLAGS),
cygrpc.ReceiveInitialMetadataOperation(_EMPTY_FLAGS),
cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
cygrpc.ReceiveStatusOnClientOperation(_EMPTY_FLAGS),
)
return state, operations, deadline, None
def testReadSomeButNotAllResponses(self):
server_completion_queue = cygrpc.CompletionQueue()
server = cygrpc.Server([(
b'grpc.so_reuseport',
0,
)])
server.register_completion_queue(server_completion_queue)
port = server.add_http2_port(b'[::]:0')
server.start()
channel = cygrpc.Channel('localhost:{}'.format(port).encode(), set(),
None)
server_shutdown_tag = 'server_shutdown_tag'
server_driver = _ServerDriver(server_completion_queue,
server_shutdown_tag)
server_driver.start()
client_condition = threading.Condition()
client_due = set()
server_call_condition = threading.Condition()
server_send_initial_metadata_tag = 'server_send_initial_metadata_tag'
server_send_first_message_tag = 'server_send_first_message_tag'
server_send_second_message_tag = 'server_send_second_message_tag'
server_complete_rpc_tag = 'server_complete_rpc_tag'
server_call_due = set((
server_send_initial_metadata_tag,
server_send_first_message_tag,
server_send_second_message_tag,
server_complete_rpc_tag,
))
server_call_completion_queue = cygrpc.CompletionQueue()
server_call_driver = _QueueDriver(server_call_condition,
server_call_completion_queue,
server_call_due)
server_call_driver.start()
server_rpc_tag = 'server_rpc_tag'
request_call_result = server.request_call(server_call_completion_queue,
server_completion_queue,
server_rpc_tag)
client_receive_initial_metadata_tag = 'client_receive_initial_metadata_tag'
client_complete_rpc_tag = 'client_complete_rpc_tag'
client_call = channel.segregated_call(
_EMPTY_FLAGS, b'/twinkies', None, None, _EMPTY_METADATA, None, (
(
[
cygrpc.ReceiveInitialMetadataOperation(_EMPTY_FLAGS),
],
client_receive_initial_metadata_tag,
),
(
[
cygrpc.SendInitialMetadataOperation(
_EMPTY_METADATA, _EMPTY_FLAGS),
cygrpc.SendCloseFromClientOperation(_EMPTY_FLAGS),
cygrpc.ReceiveStatusOnClientOperation(_EMPTY_FLAGS),
],
client_complete_rpc_tag,
),
))
client_receive_initial_metadata_event_future = test_utilities.SimpleFuture(
client_call.next_event)
server_rpc_event = server_driver.first_event()
with server_call_condition:
server_send_initial_metadata_start_batch_result = (
server_rpc_event.call.start_server_batch([
cygrpc.SendInitialMetadataOperation(
_EMPTY_METADATA, _EMPTY_FLAGS),
], server_send_initial_metadata_tag))
server_send_first_message_start_batch_result = (
server_rpc_event.call.start_server_batch([
cygrpc.SendMessageOperation(b'\x07', _EMPTY_FLAGS),
], server_send_first_message_tag))
server_send_initial_metadata_event = server_call_driver.event_with_tag(
server_send_initial_metadata_tag)
server_send_first_message_event = server_call_driver.event_with_tag(
server_send_first_message_tag)
with server_call_condition:
server_send_second_message_start_batch_result = (
server_rpc_event.call.start_server_batch([
cygrpc.SendMessageOperation(b'\x07', _EMPTY_FLAGS),
], server_send_second_message_tag))
server_complete_rpc_start_batch_result = (
server_rpc_event.call.start_server_batch([
cygrpc.ReceiveCloseOnServerOperation(_EMPTY_FLAGS),
cygrpc.SendStatusFromServerOperation(
(), cygrpc.StatusCode.ok, b'test details',
_EMPTY_FLAGS),
], server_complete_rpc_tag))
server_send_second_message_event = server_call_driver.event_with_tag(
server_send_second_message_tag)
server_complete_rpc_event = server_call_driver.event_with_tag(
server_complete_rpc_tag)
server_call_driver.events()
client_recieve_initial_metadata_event = client_receive_initial_metadata_event_future.result(
)
client_receive_first_message_tag = 'client_receive_first_message_tag'
client_call.operate([
cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
], client_receive_first_message_tag)
client_receive_first_message_event = client_call.next_event()
client_call_cancel_result = client_call.cancel(
cygrpc.StatusCode.cancelled, 'Cancelled during test!')
client_complete_rpc_event = client_call.next_event()
channel.close(cygrpc.StatusCode.unknown, 'Channel closed!')
server.shutdown(server_completion_queue, server_shutdown_tag)
server.cancel_all_calls()
server_driver.events()
self.assertEqual(cygrpc.CallError.ok, request_call_result)
self.assertEqual(cygrpc.CallError.ok,
server_send_initial_metadata_start_batch_result)
self.assertIs(server_rpc_tag, server_rpc_event.tag)
self.assertEqual(cygrpc.CompletionType.operation_complete,
server_rpc_event.completion_type)
self.assertIsInstance(server_rpc_event.call, cygrpc.Call)
def testCancelManyCalls(self):
server_thread_pool = logging_pool.pool(
test_constants.THREAD_CONCURRENCY)
server_completion_queue = cygrpc.CompletionQueue()
server = cygrpc.Server(
cygrpc.ChannelArgs([cygrpc.ChannelArg(b'grpc.so_reuseport', 0)]))
server.register_completion_queue(server_completion_queue)
port = server.add_http2_port(b'[::]:0')
server.start()
channel = cygrpc.Channel('localhost:{}'.format(port).encode(),
cygrpc.ChannelArgs([]))
state = _State()
server_thread_args = (
state,
server,
server_completion_queue,
server_thread_pool,
)
server_thread = threading.Thread(target=_serve,
args=server_thread_args)
server_thread.start()
client_condition = threading.Condition()
client_due = set()
client_completion_queue = cygrpc.CompletionQueue()
client_driver = _QueueDriver(client_condition, client_completion_queue,
client_due)
client_driver.start()
with client_condition:
client_calls = []
for index in range(test_constants.RPC_CONCURRENCY):
client_call = channel.create_call(None, _EMPTY_FLAGS,
client_completion_queue,
b'/twinkies', None,
_INFINITE_FUTURE)
operations = (
cygrpc.SendInitialMetadataOperation(
_EMPTY_METADATA, _EMPTY_FLAGS),
cygrpc.SendMessageOperation(b'\x45\x56', _EMPTY_FLAGS),
cygrpc.SendCloseFromClientOperation(_EMPTY_FLAGS),
cygrpc.ReceiveInitialMetadataOperation(_EMPTY_FLAGS),
cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
cygrpc.ReceiveStatusOnClientOperation(_EMPTY_FLAGS),
)
tag = 'client_complete_call_{0:04d}_tag'.format(index)
client_call.start_client_batch(operations, tag)
client_due.add(tag)
client_calls.append(client_call)
with state.condition:
while True:
if state.parked_handlers < test_constants.THREAD_CONCURRENCY:
state.condition.wait()
elif state.handled_rpcs < test_constants.RPC_CONCURRENCY:
state.condition.wait()
else:
state.handlers_released = True
state.condition.notify_all()
break
client_driver.events(test_constants.RPC_CONCURRENCY *
_SUCCESS_CALL_FRACTION)
with client_condition:
for client_call in client_calls:
client_call.cancel()
with state.condition:
server.shutdown(server_completion_queue, _SERVER_SHUTDOWN_TAG)
def test_6522(self):
DEADLINE = time.time() + 5
DEADLINE_TOLERANCE = 0.25
METHOD = b'twinkies'
empty_metadata = ()
# Prologue
server_request_tag = object()
self.server.request_call(self.server_completion_queue,
self.server_completion_queue,
server_request_tag)
client_call = self.client_channel.segregated_call(
0, METHOD, self.host_argument, DEADLINE, None, None,
([(
[
cygrpc.SendInitialMetadataOperation(
empty_metadata, _EMPTY_FLAGS),
cygrpc.ReceiveInitialMetadataOperation(_EMPTY_FLAGS),
],
object(),
),
(
[
cygrpc.ReceiveStatusOnClientOperation(_EMPTY_FLAGS),
],
object(),
)]))
client_initial_metadata_event_future = test_utilities.SimpleFuture(
client_call.next_event)
request_event = self.server_completion_queue.poll(deadline=DEADLINE)
server_call = request_event.call
def perform_server_operations(operations, description):
return self._perform_queue_operations(operations, server_call,
self.server_completion_queue,
DEADLINE, description)
server_event_future = perform_server_operations([
cygrpc.SendInitialMetadataOperation(empty_metadata, _EMPTY_FLAGS),
], "Server prologue")
client_initial_metadata_event_future.result() # force completion
server_event_future.result()
# Messaging
for _ in range(10):
client_call.operate([
cygrpc.SendMessageOperation(b'', _EMPTY_FLAGS),
cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
], "Client message")
client_message_event_future = test_utilities.SimpleFuture(
client_call.next_event)
server_event_future = perform_server_operations([
cygrpc.SendMessageOperation(b'', _EMPTY_FLAGS),
cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
], "Server receive")
client_message_event_future.result() # force completion
server_event_future.result()
# Epilogue
client_call.operate([
cygrpc.SendCloseFromClientOperation(_EMPTY_FLAGS),
], "Client epilogue")
# One for ReceiveStatusOnClient, one for SendCloseFromClient.
client_events_future = test_utilities.SimpleFuture(lambda: {
client_call.next_event(),
client_call.next_event(),
})
server_event_future = perform_server_operations([
cygrpc.ReceiveCloseOnServerOperation(_EMPTY_FLAGS),
cygrpc.SendStatusFromServerOperation(
empty_metadata, cygrpc.StatusCode.ok, b'', _EMPTY_FLAGS)
], "Server epilogue")
client_events_future.result() # force completion
server_event_future.result()
def test_echo(self):
DEADLINE = time.time() + 5
DEADLINE_TOLERANCE = 0.25
CLIENT_METADATA_ASCII_KEY = 'key'
CLIENT_METADATA_ASCII_VALUE = 'val'
CLIENT_METADATA_BIN_KEY = 'key-bin'
CLIENT_METADATA_BIN_VALUE = b'\0' * 1000
SERVER_INITIAL_METADATA_KEY = 'init_me_me_me'
SERVER_INITIAL_METADATA_VALUE = 'whodawha?'
SERVER_TRAILING_METADATA_KEY = 'california_is_in_a_drought'
SERVER_TRAILING_METADATA_VALUE = 'zomg it is'
SERVER_STATUS_CODE = cygrpc.StatusCode.ok
SERVER_STATUS_DETAILS = 'our work is never over'
REQUEST = b'in death a member of project mayhem has a name'
RESPONSE = b'his name is robert paulson'
METHOD = b'twinkies'
server_request_tag = object()
request_call_result = self.server.request_call(
self.server_completion_queue, self.server_completion_queue,
server_request_tag)
self.assertEqual(cygrpc.CallError.ok, request_call_result)
client_call_tag = object()
client_initial_metadata = (
(
CLIENT_METADATA_ASCII_KEY,
CLIENT_METADATA_ASCII_VALUE,
),
(
CLIENT_METADATA_BIN_KEY,
CLIENT_METADATA_BIN_VALUE,
),
)
client_call = self.client_channel.integrated_call(
0, METHOD, self.host_argument, DEADLINE, client_initial_metadata,
None, [
(
[
cygrpc.SendInitialMetadataOperation(
client_initial_metadata, _EMPTY_FLAGS),
cygrpc.SendMessageOperation(REQUEST, _EMPTY_FLAGS),
cygrpc.SendCloseFromClientOperation(_EMPTY_FLAGS),
cygrpc.ReceiveInitialMetadataOperation(_EMPTY_FLAGS),
cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
cygrpc.ReceiveStatusOnClientOperation(_EMPTY_FLAGS),
],
client_call_tag,
),
])
client_event_future = test_utilities.SimpleFuture(
self.client_channel.next_call_event)
request_event = self.server_completion_queue.poll(deadline=DEADLINE)
self.assertEqual(cygrpc.CompletionType.operation_complete,
request_event.completion_type)
self.assertIsInstance(request_event.call, cygrpc.Call)
self.assertIs(server_request_tag, request_event.tag)
self.assertTrue(
test_common.metadata_transmitted(
client_initial_metadata, request_event.invocation_metadata))
self.assertEqual(METHOD, request_event.call_details.method)
self.assertEqual(self.expected_host, request_event.call_details.host)
self.assertLess(abs(DEADLINE - request_event.call_details.deadline),
DEADLINE_TOLERANCE)
server_call_tag = object()
server_call = request_event.call
server_initial_metadata = ((
SERVER_INITIAL_METADATA_KEY,
SERVER_INITIAL_METADATA_VALUE,
), )
server_trailing_metadata = ((
SERVER_TRAILING_METADATA_KEY,
SERVER_TRAILING_METADATA_VALUE,
), )
server_start_batch_result = server_call.start_server_batch([
cygrpc.SendInitialMetadataOperation(server_initial_metadata,
_EMPTY_FLAGS),
cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
cygrpc.SendMessageOperation(RESPONSE, _EMPTY_FLAGS),
cygrpc.ReceiveCloseOnServerOperation(_EMPTY_FLAGS),
cygrpc.SendStatusFromServerOperation(
server_trailing_metadata, SERVER_STATUS_CODE,
SERVER_STATUS_DETAILS, _EMPTY_FLAGS)
], server_call_tag)
self.assertEqual(cygrpc.CallError.ok, server_start_batch_result)
server_event = self.server_completion_queue.poll(deadline=DEADLINE)
client_event = client_event_future.result()
self.assertEqual(6, len(client_event.batch_operations))
found_client_op_types = set()
for client_result in client_event.batch_operations:
# we expect each op type to be unique
self.assertNotIn(client_result.type(), found_client_op_types)
found_client_op_types.add(client_result.type())
if client_result.type(
) == cygrpc.OperationType.receive_initial_metadata:
self.assertTrue(
test_common.metadata_transmitted(
server_initial_metadata,
client_result.initial_metadata()))
elif client_result.type() == cygrpc.OperationType.receive_message:
self.assertEqual(RESPONSE, client_result.message())
elif client_result.type(
) == cygrpc.OperationType.receive_status_on_client:
self.assertTrue(
test_common.metadata_transmitted(
server_trailing_metadata,
client_result.trailing_metadata()))
self.assertEqual(SERVER_STATUS_DETAILS,
client_result.details())
self.assertEqual(SERVER_STATUS_CODE, client_result.code())
self.assertEqual(
set([
cygrpc.OperationType.send_initial_metadata,
cygrpc.OperationType.send_message,
cygrpc.OperationType.send_close_from_client,
cygrpc.OperationType.receive_initial_metadata,
cygrpc.OperationType.receive_message,
cygrpc.OperationType.receive_status_on_client
]), found_client_op_types)
self.assertEqual(5, len(server_event.batch_operations))
found_server_op_types = set()
for server_result in server_event.batch_operations:
self.assertNotIn(server_result.type(), found_server_op_types)
found_server_op_types.add(server_result.type())
if server_result.type() == cygrpc.OperationType.receive_message:
self.assertEqual(REQUEST, server_result.message())
elif server_result.type(
) == cygrpc.OperationType.receive_close_on_server:
self.assertFalse(server_result.cancelled())
self.assertEqual(
set([
cygrpc.OperationType.send_initial_metadata,
cygrpc.OperationType.receive_message,
cygrpc.OperationType.send_message,
cygrpc.OperationType.receive_close_on_server,
cygrpc.OperationType.send_status_from_server
]), found_server_op_types)
del client_call
del server_call
def testReadSomeButNotAllResponses(self):
server_completion_queue = cygrpc.CompletionQueue()
server = cygrpc.Server(cygrpc.ChannelArgs([]))
server.register_completion_queue(server_completion_queue)
port = server.add_http2_port(b'[::]:0')
server.start()
channel = cygrpc.Channel('localhost:{}'.format(port).encode(),
cygrpc.ChannelArgs([]))
server_shutdown_tag = 'server_shutdown_tag'
server_driver = _ServerDriver(server_completion_queue,
server_shutdown_tag)
server_driver.start()
client_condition = threading.Condition()
client_due = set()
client_completion_queue = cygrpc.CompletionQueue()
client_driver = _QueueDriver(client_condition, client_completion_queue,
client_due)
client_driver.start()
server_call_condition = threading.Condition()
server_send_initial_metadata_tag = 'server_send_initial_metadata_tag'
server_send_first_message_tag = 'server_send_first_message_tag'
server_send_second_message_tag = 'server_send_second_message_tag'
server_complete_rpc_tag = 'server_complete_rpc_tag'
server_call_due = set(
(server_send_initial_metadata_tag, server_send_first_message_tag,
server_send_second_message_tag, server_complete_rpc_tag,))
server_call_completion_queue = cygrpc.CompletionQueue()
server_call_driver = _QueueDriver(server_call_condition,
server_call_completion_queue,
server_call_due)
server_call_driver.start()
server_rpc_tag = 'server_rpc_tag'
request_call_result = server.request_call(server_call_completion_queue,
server_completion_queue,
server_rpc_tag)
client_call = channel.create_call(None, _EMPTY_FLAGS,
client_completion_queue, b'/twinkies',
None, _INFINITE_FUTURE)
client_receive_initial_metadata_tag = 'client_receive_initial_metadata_tag'
client_complete_rpc_tag = 'client_complete_rpc_tag'
with client_condition:
client_receive_initial_metadata_start_batch_result = (
client_call.start_client_batch([
cygrpc.ReceiveInitialMetadataOperation(_EMPTY_FLAGS),
], client_receive_initial_metadata_tag))
client_due.add(client_receive_initial_metadata_tag)
client_complete_rpc_start_batch_result = (
client_call.start_client_batch([
cygrpc.SendInitialMetadataOperation(_EMPTY_METADATA,
_EMPTY_FLAGS),
cygrpc.SendCloseFromClientOperation(_EMPTY_FLAGS),
cygrpc.ReceiveStatusOnClientOperation(_EMPTY_FLAGS),
], client_complete_rpc_tag))
client_due.add(client_complete_rpc_tag)
server_rpc_event = server_driver.first_event()
with server_call_condition:
server_send_initial_metadata_start_batch_result = (
server_rpc_event.operation_call.start_server_batch([
cygrpc.SendInitialMetadataOperation(_EMPTY_METADATA,
_EMPTY_FLAGS),
], server_send_initial_metadata_tag))
server_send_first_message_start_batch_result = (
server_rpc_event.operation_call.start_server_batch([
cygrpc.SendMessageOperation(b'\x07', _EMPTY_FLAGS),
], server_send_first_message_tag))
server_send_initial_metadata_event = server_call_driver.event_with_tag(
server_send_initial_metadata_tag)
server_send_first_message_event = server_call_driver.event_with_tag(
server_send_first_message_tag)
with server_call_condition:
server_send_second_message_start_batch_result = (
server_rpc_event.operation_call.start_server_batch([
cygrpc.SendMessageOperation(b'\x07', _EMPTY_FLAGS),
], server_send_second_message_tag))
server_complete_rpc_start_batch_result = (
server_rpc_event.operation_call.start_server_batch([
cygrpc.ReceiveCloseOnServerOperation(_EMPTY_FLAGS),
cygrpc.SendStatusFromServerOperation(
(), cygrpc.StatusCode.ok, b'test details',
_EMPTY_FLAGS),
], server_complete_rpc_tag))
server_send_second_message_event = server_call_driver.event_with_tag(
server_send_second_message_tag)
server_complete_rpc_event = server_call_driver.event_with_tag(
server_complete_rpc_tag)
server_call_driver.events()
with client_condition:
client_receive_first_message_tag = 'client_receive_first_message_tag'
client_receive_first_message_start_batch_result = (
client_call.start_client_batch([
cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
], client_receive_first_message_tag))
client_due.add(client_receive_first_message_tag)
client_receive_first_message_event = client_driver.event_with_tag(
client_receive_first_message_tag)
client_call_cancel_result = client_call.cancel()
client_driver.events()
server.shutdown(server_completion_queue, server_shutdown_tag)
server.cancel_all_calls()
server_driver.events()
self.assertEqual(cygrpc.CallError.ok, request_call_result)
self.assertEqual(cygrpc.CallError.ok,
server_send_initial_metadata_start_batch_result)
self.assertEqual(cygrpc.CallError.ok,
client_receive_initial_metadata_start_batch_result)
self.assertEqual(cygrpc.CallError.ok,
client_complete_rpc_start_batch_result)
self.assertEqual(cygrpc.CallError.ok, client_call_cancel_result)
self.assertIs(server_rpc_tag, server_rpc_event.tag)
self.assertEqual(cygrpc.CompletionType.operation_complete,
server_rpc_event.type)
self.assertIsInstance(server_rpc_event.operation_call, cygrpc.Call)
self.assertEqual(0, len(server_rpc_event.batch_operations))
def testCancelManyCalls(self):
server_thread_pool = logging_pool.pool(
test_constants.THREAD_CONCURRENCY)
server_completion_queue = cygrpc.CompletionQueue()
server = cygrpc.Server([(
b'grpc.so_reuseport',
0,
)], False)
server.register_completion_queue(server_completion_queue)
port = server.add_http2_port(b'[::]:0')
server.start()
channel = cygrpc.Channel('localhost:{}'.format(port).encode(), None,
None)
state = _State()
server_thread_args = (
state,
server,
server_completion_queue,
server_thread_pool,
)
server_thread = threading.Thread(target=_serve,
args=server_thread_args)
server_thread.start()
client_condition = threading.Condition()
client_due = set()
with client_condition:
client_calls = []
for index in range(test_constants.RPC_CONCURRENCY):
tag = 'client_complete_call_{0:04d}_tag'.format(index)
client_call = channel.integrated_call(
_EMPTY_FLAGS, b'/twinkies', None, None, _EMPTY_METADATA,
None, ((
(
cygrpc.SendInitialMetadataOperation(
_EMPTY_METADATA, _EMPTY_FLAGS),
cygrpc.SendMessageOperation(
b'\x45\x56', _EMPTY_FLAGS),
cygrpc.SendCloseFromClientOperation(_EMPTY_FLAGS),
cygrpc.ReceiveInitialMetadataOperation(
_EMPTY_FLAGS),
cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
cygrpc.ReceiveStatusOnClientOperation(
_EMPTY_FLAGS),
),
tag,
), ))
client_due.add(tag)
client_calls.append(client_call)
client_events_future = test_utilities.SimpleFuture(lambda: tuple(
channel.next_call_event() for _ in range(_SUCCESSFUL_CALLS)))
with state.condition:
while True:
if state.parked_handlers < test_constants.THREAD_CONCURRENCY:
state.condition.wait()
elif state.handled_rpcs < test_constants.RPC_CONCURRENCY:
state.condition.wait()
else:
state.handlers_released = True
state.condition.notify_all()
break
client_events_future.result()
with client_condition:
for client_call in client_calls:
client_call.cancel(cygrpc.StatusCode.cancelled, 'Cancelled!')
for _ in range(_UNSUCCESSFUL_CALLS):
channel.next_call_event()
channel.close(cygrpc.StatusCode.unknown, 'Cancelled on channel close!')
with state.condition:
server.shutdown(server_completion_queue, _SERVER_SHUTDOWN_TAG)
def test6522(self):
DEADLINE = time.time() + 5
DEADLINE_TOLERANCE = 0.25
METHOD = b'twinkies'
empty_metadata = ()
server_request_tag = object()
self.server.request_call(self.server_completion_queue,
self.server_completion_queue,
server_request_tag)
client_call = self.client_channel.create_call(
None, 0, self.client_completion_queue, METHOD, self.host_argument,
DEADLINE)
# Prologue
def perform_client_operations(operations, description):
return self._perform_operations(operations, client_call,
self.client_completion_queue,
DEADLINE, description)
client_event_future = perform_client_operations([
cygrpc.SendInitialMetadataOperation(empty_metadata, _EMPTY_FLAGS),
cygrpc.ReceiveInitialMetadataOperation(_EMPTY_FLAGS),
], "Client prologue")
request_event = self.server_completion_queue.poll(deadline=DEADLINE)
server_call = request_event.call
def perform_server_operations(operations, description):
return self._perform_operations(operations, server_call,
self.server_completion_queue,
DEADLINE, description)
server_event_future = perform_server_operations([
cygrpc.SendInitialMetadataOperation(empty_metadata, _EMPTY_FLAGS),
], "Server prologue")
client_event_future.result() # force completion
server_event_future.result()
# Messaging
for _ in range(10):
client_event_future = perform_client_operations([
cygrpc.SendMessageOperation(b'', _EMPTY_FLAGS),
cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
], "Client message")
server_event_future = perform_server_operations([
cygrpc.SendMessageOperation(b'', _EMPTY_FLAGS),
cygrpc.ReceiveMessageOperation(_EMPTY_FLAGS),
], "Server receive")
client_event_future.result() # force completion
server_event_future.result()
# Epilogue
client_event_future = perform_client_operations([
cygrpc.SendCloseFromClientOperation(_EMPTY_FLAGS),
cygrpc.ReceiveStatusOnClientOperation(_EMPTY_FLAGS)
], "Client epilogue")
server_event_future = perform_server_operations([
cygrpc.ReceiveCloseOnServerOperation(_EMPTY_FLAGS),
cygrpc.SendStatusFromServerOperation(
empty_metadata, cygrpc.StatusCode.ok, b'', _EMPTY_FLAGS)
], "Server epilogue")
client_event_future.result() # force completion
server_event_future.result()