def _perform_operations(self, operations, call, queue, deadline,
description):
"""Perform the list of operations with given call, queue, and deadline.
Invocation errors are reported with as an exception with `description` in
the message. Performs the operations asynchronously, returning a future.
"""
def performer():
tag = object()
try:
call_result = call.start_client_batch(
cygrpc.Operations(operations), tag)
self.assertEqual(cygrpc.CallError.ok, call_result)
event = queue.poll(deadline)
self.assertEqual(cygrpc.CompletionType.operation_complete,
event.type)
self.assertTrue(event.success)
self.assertIs(tag, event.tag)
except Exception as error:
raise Exception(
"Error in '{}': {}".format(description, error.message))
return event
return test_utilities.SimpleFuture(performer)
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 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 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 _do_rpcs(self):
server_call_condition = threading.Condition()
server_call_completion_queue = cygrpc.CompletionQueue()
server_call_driver = _common.QueueDriver(server_call_condition,
server_call_completion_queue)
server_request_call_tag = 'server_request_call_tag'
server_send_initial_metadata_tag = 'server_send_initial_metadata_tag'
server_complete_rpc_tag = 'server_complete_rpc_tag'
with self.server_condition:
server_request_call_start_batch_result = self.server.request_call(
server_call_completion_queue, self.server_completion_queue,
server_request_call_tag)
self.server_driver.add_due({
server_request_call_tag,
})
client_receive_initial_metadata_tag = 'client_receive_initial_metadata_tag'
client_complete_rpc_tag = 'client_complete_rpc_tag'
client_call = self.channel.integrated_call(
_common.EMPTY_FLAGS, b'/twinkies', None, None,
_common.INVOCATION_METADATA, None, [(
[
cygrpc.ReceiveInitialMetadataOperation(_common.EMPTY_FLAGS),
],
client_receive_initial_metadata_tag,
)])
client_call.operate([
cygrpc.SendInitialMetadataOperation(_common.INVOCATION_METADATA,
_common.EMPTY_FLAGS),
cygrpc.SendCloseFromClientOperation(_common.EMPTY_FLAGS),
cygrpc.ReceiveStatusOnClientOperation(_common.EMPTY_FLAGS),
], client_complete_rpc_tag)
client_events_future = test_utilities.SimpleFuture(lambda: [
self.channel.next_call_event(),
self.channel.next_call_event(),
])
server_request_call_event = self.server_driver.event_with_tag(
server_request_call_tag)
with server_call_condition:
server_send_initial_metadata_start_batch_result = (
server_request_call_event.call.start_server_batch([
cygrpc.SendInitialMetadataOperation(
_common.INITIAL_METADATA, _common.EMPTY_FLAGS),
], server_send_initial_metadata_tag))
server_call_driver.add_due({
server_send_initial_metadata_tag,
})
server_send_initial_metadata_event = server_call_driver.event_with_tag(
server_send_initial_metadata_tag)
with server_call_condition:
server_complete_rpc_start_batch_result = (
server_request_call_event.call.start_server_batch([
cygrpc.ReceiveCloseOnServerOperation(_common.EMPTY_FLAGS),
cygrpc.SendStatusFromServerOperation(
_common.TRAILING_METADATA, cygrpc.StatusCode.ok,
b'test details', _common.EMPTY_FLAGS),
], server_complete_rpc_tag))
server_call_driver.add_due({
server_complete_rpc_tag,
})
server_complete_rpc_event = server_call_driver.event_with_tag(
server_complete_rpc_tag)
client_events = client_events_future.result()
if client_events[0].tag is client_receive_initial_metadata_tag:
client_receive_initial_metadata_event = client_events[0]
client_complete_rpc_event = client_events[1]
else:
client_complete_rpc_event = client_events[0]
client_receive_initial_metadata_event = client_events[1]
return (
_common.OperationResult(server_request_call_start_batch_result,
server_request_call_event.completion_type,
server_request_call_event.success),
_common.OperationResult(
cygrpc.CallError.ok,
client_receive_initial_metadata_event.completion_type,
client_receive_initial_metadata_event.success),
_common.OperationResult(cygrpc.CallError.ok,
client_complete_rpc_event.completion_type,
client_complete_rpc_event.success),
_common.OperationResult(
server_send_initial_metadata_start_batch_result,
server_send_initial_metadata_event.completion_type,
server_send_initial_metadata_event.success),
_common.OperationResult(server_complete_rpc_start_batch_result,
server_complete_rpc_event.completion_type,
server_complete_rpc_event.success),
)
