def _abort(state, call, code, details):
if state.client is not _CANCELLED:
effective_code = _abortion_code(state, code)
effective_details = details if state.details is None else state.details
if state.initial_metadata_allowed:
operations = (
cygrpc.operation_send_initial_metadata(
_EMPTY_METADATA, _EMPTY_FLAGS),
cygrpc.operation_send_status_from_server(
_common.cygrpc_metadata(state.trailing_metadata), effective_code,
effective_details, _EMPTY_FLAGS),
)
token = _SEND_INITIAL_METADATA_AND_SEND_STATUS_FROM_SERVER_TOKEN
else:
operations = (
cygrpc.operation_send_status_from_server(
_common.cygrpc_metadata(state.trailing_metadata), effective_code,
effective_details, _EMPTY_FLAGS),
)
token = _SEND_STATUS_FROM_SERVER_TOKEN
call.start_server_batch(
cygrpc.Operations(operations),
_send_status_from_server(state, token))
state.statused = True
state.due.add(token)
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.Operations(
(cygrpc.operation_receive_close_on_server(_EMPTY_FLAGS),)),
_RECEIVE_CLOSE_ON_SERVER_TAG)
self._call.start_server_batch(
cygrpc.Operations(
(cygrpc.operation_receive_message(_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.operation_send_initial_metadata(_EMPTY_METADATA,
_EMPTY_FLAGS),
cygrpc.operation_send_message(b'\x79\x57', _EMPTY_FLAGS),
cygrpc.operation_send_status_from_server(
_EMPTY_METADATA, cygrpc.StatusCode.ok, b'test details!',
_EMPTY_FLAGS),)
self._call.start_server_batch(
cygrpc.Operations(operations), _SERVER_COMPLETE_CALL_TAG)
self._completion_queue.poll()
self._completion_queue.poll()
def start_batch(self, ops, tag):
translated_ops = []
for op in ops:
if op.type == _types.OpType.SEND_INITIAL_METADATA:
translated_op = cygrpc.operation_send_initial_metadata(
cygrpc.Metadata(
cygrpc.Metadatum(key, value)
for key, value in op.initial_metadata),
op.flags)
elif op.type == _types.OpType.SEND_MESSAGE:
translated_op = cygrpc.operation_send_message(op.message, op.flags)
elif op.type == _types.OpType.SEND_CLOSE_FROM_CLIENT:
translated_op = cygrpc.operation_send_close_from_client(op.flags)
elif op.type == _types.OpType.SEND_STATUS_FROM_SERVER:
translated_op = cygrpc.operation_send_status_from_server(
cygrpc.Metadata(
cygrpc.Metadatum(key, value)
for key, value in op.trailing_metadata),
op.status.code,
op.status.details,
op.flags)
elif op.type == _types.OpType.RECV_INITIAL_METADATA:
translated_op = cygrpc.operation_receive_initial_metadata(
op.flags)
elif op.type == _types.OpType.RECV_MESSAGE:
translated_op = cygrpc.operation_receive_message(op.flags)
elif op.type == _types.OpType.RECV_STATUS_ON_CLIENT:
translated_op = cygrpc.operation_receive_status_on_client(
op.flags)
elif op.type == _types.OpType.RECV_CLOSE_ON_SERVER:
translated_op = cygrpc.operation_receive_close_on_server(op.flags)
else:
raise ValueError('unexpected operation type {}'.format(op.type))
translated_ops.append(translated_op)
return self.call.start_batch(cygrpc.Operations(translated_ops), tag)
def _reject_rpc(rpc_event, status, details):
operations = (cygrpc.operation_send_initial_metadata((), _EMPTY_FLAGS),
cygrpc.operation_receive_close_on_server(_EMPTY_FLAGS),
cygrpc.operation_send_status_from_server((), status, details,
_EMPTY_FLAGS),)
rpc_state = _RPCState()
rpc_event.operation_call.start_server_batch(
operations, lambda ignored_event: (rpc_state, (),))
return rpc_state
def _handle_unrecognized_method(rpc_event):
operations = (
cygrpc.operation_send_initial_metadata(_EMPTY_METADATA, _EMPTY_FLAGS),
cygrpc.operation_receive_close_on_server(_EMPTY_FLAGS),
cygrpc.operation_send_status_from_server(
_EMPTY_METADATA, cygrpc.StatusCode.unimplemented,
b'Method not found!', _EMPTY_FLAGS),
)
rpc_state = _RPCState()
rpc_event.operation_call.start_server_batch(
operations, lambda ignored_event: (rpc_state, (),))
return rpc_state
def _status(rpc_event, state, serialized_response):
with state.condition:
if state.client is not _CANCELLED:
code = _completion_code(state)
details = _details(state)
operations = [
cygrpc.operation_send_status_from_server(
state.trailing_metadata, code, details, _EMPTY_FLAGS),
]
if state.initial_metadata_allowed:
operations.append(
cygrpc.operation_send_initial_metadata((), _EMPTY_FLAGS))
if serialized_response is not None:
operations.append(
cygrpc.operation_send_message(serialized_response,
_EMPTY_FLAGS))
rpc_event.operation_call.start_server_batch(
operations,
_send_status_from_server(state, _SEND_STATUS_FROM_SERVER_TOKEN))
state.statused = True
state.due.add(_SEND_STATUS_FROM_SERVER_TOKEN)
def test6522(self):
DEADLINE = time.time() + 5
DEADLINE_TOLERANCE = 0.25
METHOD = b'twinkies'
cygrpc_deadline = cygrpc.Timespec(DEADLINE)
empty_metadata = cygrpc.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,
cygrpc_deadline)
# Prologue
def perform_client_operations(operations, description):
return self._perform_operations(operations, client_call,
self.client_completion_queue,
cygrpc_deadline, description)
client_event_future = perform_client_operations([
cygrpc.operation_send_initial_metadata(empty_metadata,
_EMPTY_FLAGS),
cygrpc.operation_receive_initial_metadata(_EMPTY_FLAGS),
], "Client prologue")
request_event = self.server_completion_queue.poll(cygrpc_deadline)
server_call = request_event.operation_call
def perform_server_operations(operations, description):
return self._perform_operations(operations, server_call,
self.server_completion_queue,
cygrpc_deadline, description)
server_event_future = perform_server_operations([
cygrpc.operation_send_initial_metadata(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.operation_send_message(b'', _EMPTY_FLAGS),
cygrpc.operation_receive_message(_EMPTY_FLAGS),
], "Client message")
server_event_future = perform_server_operations([
cygrpc.operation_send_message(b'', _EMPTY_FLAGS),
cygrpc.operation_receive_message(_EMPTY_FLAGS),
], "Server receive")
client_event_future.result() # force completion
server_event_future.result()
# Epilogue
client_event_future = perform_client_operations([
cygrpc.operation_send_close_from_client(_EMPTY_FLAGS),
cygrpc.operation_receive_status_on_client(_EMPTY_FLAGS)
], "Client epilogue")
server_event_future = perform_server_operations([
cygrpc.operation_receive_close_on_server(_EMPTY_FLAGS),
cygrpc.operation_send_status_from_server(
empty_metadata, cygrpc.StatusCode.ok, b'', _EMPTY_FLAGS)
], "Server epilogue")
client_event_future.result() # force completion
server_event_future.result()
def testEcho(self):
DEADLINE = time.time() + 5
DEADLINE_TOLERANCE = 0.25
CLIENT_METADATA_ASCII_KEY = b'key'
CLIENT_METADATA_ASCII_VALUE = b'val'
CLIENT_METADATA_BIN_KEY = b'key-bin'
CLIENT_METADATA_BIN_VALUE = b'\0' * 1000
SERVER_INITIAL_METADATA_KEY = b'init_me_me_me'
SERVER_INITIAL_METADATA_VALUE = b'whodawha?'
SERVER_TRAILING_METADATA_KEY = b'california_is_in_a_drought'
SERVER_TRAILING_METADATA_VALUE = b'zomg it is'
SERVER_STATUS_CODE = cygrpc.StatusCode.ok
SERVER_STATUS_DETAILS = b'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'
cygrpc_deadline = cygrpc.Timespec(DEADLINE)
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_call = self.client_channel.create_call(
None, 0, self.client_completion_queue, METHOD, self.host_argument,
cygrpc_deadline)
client_initial_metadata = cygrpc.Metadata([
cygrpc.Metadatum(CLIENT_METADATA_ASCII_KEY,
CLIENT_METADATA_ASCII_VALUE),
cygrpc.Metadatum(CLIENT_METADATA_BIN_KEY, CLIENT_METADATA_BIN_VALUE)
])
client_start_batch_result = client_call.start_client_batch([
cygrpc.operation_send_initial_metadata(client_initial_metadata,
_EMPTY_FLAGS),
cygrpc.operation_send_message(REQUEST, _EMPTY_FLAGS),
cygrpc.operation_send_close_from_client(_EMPTY_FLAGS),
cygrpc.operation_receive_initial_metadata(_EMPTY_FLAGS),
cygrpc.operation_receive_message(_EMPTY_FLAGS),
cygrpc.operation_receive_status_on_client(_EMPTY_FLAGS)
], client_call_tag)
self.assertEqual(cygrpc.CallError.ok, client_start_batch_result)
client_event_future = test_utilities.CompletionQueuePollFuture(
self.client_completion_queue, cygrpc_deadline)
request_event = self.server_completion_queue.poll(cygrpc_deadline)
self.assertEqual(cygrpc.CompletionType.operation_complete,
request_event.type)
self.assertIsInstance(request_event.operation_call, cygrpc.Call)
self.assertIs(server_request_tag, request_event.tag)
self.assertEqual(0, len(request_event.batch_operations))
self.assertTrue(
test_common.metadata_transmitted(client_initial_metadata,
request_event.request_metadata))
self.assertEqual(METHOD, request_event.request_call_details.method)
self.assertEqual(self.expected_host,
request_event.request_call_details.host)
self.assertLess(
abs(DEADLINE - float(request_event.request_call_details.deadline)),
DEADLINE_TOLERANCE)
server_call_tag = object()
server_call = request_event.operation_call
server_initial_metadata = cygrpc.Metadata([
cygrpc.Metadatum(SERVER_INITIAL_METADATA_KEY,
SERVER_INITIAL_METADATA_VALUE)
])
server_trailing_metadata = cygrpc.Metadata([
cygrpc.Metadatum(SERVER_TRAILING_METADATA_KEY,
SERVER_TRAILING_METADATA_VALUE)
])
server_start_batch_result = server_call.start_server_batch([
cygrpc.operation_send_initial_metadata(
server_initial_metadata,
_EMPTY_FLAGS), cygrpc.operation_receive_message(_EMPTY_FLAGS),
cygrpc.operation_send_message(RESPONSE, _EMPTY_FLAGS),
cygrpc.operation_receive_close_on_server(_EMPTY_FLAGS),
cygrpc.operation_send_status_from_server(
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(cygrpc_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.received_metadata))
elif client_result.type == cygrpc.OperationType.receive_message:
self.assertEqual(RESPONSE,
client_result.received_message.bytes())
elif client_result.type == cygrpc.OperationType.receive_status_on_client:
self.assertTrue(
test_common.metadata_transmitted(
server_trailing_metadata,
client_result.received_metadata))
self.assertEqual(SERVER_STATUS_DETAILS,
client_result.received_status_details)
self.assertEqual(SERVER_STATUS_CODE,
client_result.received_status_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(client_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.received_message.bytes())
elif server_result.type == cygrpc.OperationType.receive_close_on_server:
self.assertFalse(server_result.received_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()
server.register_completion_queue(server_completion_queue)
port = server.add_http2_port(b"[::]:0")
server.start()
channel = cygrpc.Channel("localhost:{}".format(port).encode())
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_batch(
cygrpc.Operations([cygrpc.operation_receive_initial_metadata(_EMPTY_FLAGS)]),
client_receive_initial_metadata_tag,
)
client_due.add(client_receive_initial_metadata_tag)
client_complete_rpc_start_batch_result = client_call.start_batch(
cygrpc.Operations(
[
cygrpc.operation_send_initial_metadata(_EMPTY_METADATA, _EMPTY_FLAGS),
cygrpc.operation_send_close_from_client(_EMPTY_FLAGS),
cygrpc.operation_receive_status_on_client(_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_batch(
cygrpc.Operations([cygrpc.operation_send_initial_metadata(_EMPTY_METADATA, _EMPTY_FLAGS)]),
server_send_initial_metadata_tag,
)
server_send_first_message_start_batch_result = server_rpc_event.operation_call.start_batch(
cygrpc.Operations([cygrpc.operation_send_message(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_batch(
cygrpc.Operations([cygrpc.operation_send_message(b"\x07", _EMPTY_FLAGS)]),
server_send_second_message_tag,
)
server_complete_rpc_start_batch_result = server_rpc_event.operation_call.start_batch(
cygrpc.Operations(
[
cygrpc.operation_receive_close_on_server(_EMPTY_FLAGS),
cygrpc.operation_send_status_from_server(
cygrpc.Metadata(()), 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_batch(
cygrpc.Operations([cygrpc.operation_receive_message(_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 _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_call = self.channel.create_call(
None, _common.EMPTY_FLAGS, self.client_completion_queue,
b'/twinkies', None, _common.INFINITE_FUTURE)
client_receive_initial_metadata_tag = 'client_receive_initial_metadata_tag'
client_complete_rpc_tag = 'client_complete_rpc_tag'
with self.client_condition:
client_receive_initial_metadata_start_batch_result = (
client_call.start_client_batch(
cygrpc.Operations([
cygrpc.operation_receive_initial_metadata(
_common.EMPTY_FLAGS),
]), client_receive_initial_metadata_tag))
client_complete_rpc_start_batch_result = client_call.start_client_batch(
cygrpc.Operations([
cygrpc.operation_send_initial_metadata(
_common.INVOCATION_METADATA, _common.EMPTY_FLAGS),
cygrpc.operation_send_close_from_client(
_common.EMPTY_FLAGS),
cygrpc.operation_receive_status_on_client(
_common.EMPTY_FLAGS),
]), client_complete_rpc_tag)
self.client_driver.add_due({
client_receive_initial_metadata_tag,
client_complete_rpc_tag,
})
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.operation_call.start_server_batch([
cygrpc.operation_send_initial_metadata(
_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.operation_call.start_server_batch([
cygrpc.operation_receive_close_on_server(
_common.EMPTY_FLAGS),
cygrpc.operation_send_status_from_server(
_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_receive_initial_metadata_event = self.client_driver.event_with_tag(
client_receive_initial_metadata_tag)
client_complete_rpc_event = self.client_driver.event_with_tag(
client_complete_rpc_tag)
return (_common.OperationResult(server_request_call_start_batch_result,
server_request_call_event.type,
server_request_call_event.success),
_common.OperationResult(
client_receive_initial_metadata_start_batch_result,
client_receive_initial_metadata_event.type,
client_receive_initial_metadata_event.success),
_common.OperationResult(client_complete_rpc_start_batch_result,
client_complete_rpc_event.type,
client_complete_rpc_event.success),
_common.OperationResult(
server_send_initial_metadata_start_batch_result,
server_send_initial_metadata_event.type,
server_send_initial_metadata_event.success),
_common.OperationResult(server_complete_rpc_start_batch_result,
server_complete_rpc_event.type,
server_complete_rpc_event.success),)
def testEcho(self):
DEADLINE = time.time() + 5
DEADLINE_TOLERANCE = 0.25
CLIENT_METADATA_ASCII_KEY = b'key'
CLIENT_METADATA_ASCII_VALUE = b'val'
CLIENT_METADATA_BIN_KEY = b'key-bin'
CLIENT_METADATA_BIN_VALUE = b'\0' * 1000
SERVER_INITIAL_METADATA_KEY = b'init_me_me_me'
SERVER_INITIAL_METADATA_VALUE = b'whodawha?'
SERVER_TRAILING_METADATA_KEY = b'california_is_in_a_drought'
SERVER_TRAILING_METADATA_VALUE = b'zomg it is'
SERVER_STATUS_CODE = cygrpc.StatusCode.ok
SERVER_STATUS_DETAILS = b'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'
cygrpc_deadline = cygrpc.Timespec(DEADLINE)
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_call = self.client_channel.create_call(
None, 0, self.client_completion_queue, METHOD, self.host_argument,
cygrpc_deadline)
client_initial_metadata = cygrpc.Metadata([
cygrpc.Metadatum(CLIENT_METADATA_ASCII_KEY,
CLIENT_METADATA_ASCII_VALUE),
cygrpc.Metadatum(CLIENT_METADATA_BIN_KEY,
CLIENT_METADATA_BIN_VALUE)
])
client_start_batch_result = client_call.start_client_batch([
cygrpc.operation_send_initial_metadata(client_initial_metadata,
_EMPTY_FLAGS),
cygrpc.operation_send_message(REQUEST, _EMPTY_FLAGS),
cygrpc.operation_send_close_from_client(_EMPTY_FLAGS),
cygrpc.operation_receive_initial_metadata(_EMPTY_FLAGS),
cygrpc.operation_receive_message(_EMPTY_FLAGS),
cygrpc.operation_receive_status_on_client(_EMPTY_FLAGS)
], client_call_tag)
self.assertEqual(cygrpc.CallError.ok, client_start_batch_result)
client_event_future = test_utilities.CompletionQueuePollFuture(
self.client_completion_queue, cygrpc_deadline)
request_event = self.server_completion_queue.poll(cygrpc_deadline)
self.assertEqual(cygrpc.CompletionType.operation_complete,
request_event.type)
self.assertIsInstance(request_event.operation_call, cygrpc.Call)
self.assertIs(server_request_tag, request_event.tag)
self.assertEqual(0, len(request_event.batch_operations))
self.assertTrue(
test_common.metadata_transmitted(client_initial_metadata,
request_event.request_metadata))
self.assertEqual(METHOD, request_event.request_call_details.method)
self.assertEqual(self.expected_host,
request_event.request_call_details.host)
self.assertLess(
abs(DEADLINE - float(request_event.request_call_details.deadline)),
DEADLINE_TOLERANCE)
server_call_tag = object()
server_call = request_event.operation_call
server_initial_metadata = cygrpc.Metadata([
cygrpc.Metadatum(SERVER_INITIAL_METADATA_KEY,
SERVER_INITIAL_METADATA_VALUE)
])
server_trailing_metadata = cygrpc.Metadata([
cygrpc.Metadatum(SERVER_TRAILING_METADATA_KEY,
SERVER_TRAILING_METADATA_VALUE)
])
server_start_batch_result = server_call.start_server_batch([
cygrpc.operation_send_initial_metadata(server_initial_metadata,
_EMPTY_FLAGS),
cygrpc.operation_receive_message(_EMPTY_FLAGS),
cygrpc.operation_send_message(RESPONSE, _EMPTY_FLAGS),
cygrpc.operation_receive_close_on_server(_EMPTY_FLAGS),
cygrpc.operation_send_status_from_server(
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(cygrpc_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.received_metadata))
elif client_result.type == cygrpc.OperationType.receive_message:
self.assertEqual(RESPONSE,
client_result.received_message.bytes())
elif client_result.type == cygrpc.OperationType.receive_status_on_client:
self.assertTrue(
test_common.metadata_transmitted(
server_trailing_metadata,
client_result.received_metadata))
self.assertEqual(SERVER_STATUS_DETAILS,
client_result.received_status_details)
self.assertEqual(SERVER_STATUS_CODE,
client_result.received_status_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(client_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.received_message.bytes())
elif server_result.type == cygrpc.OperationType.receive_close_on_server:
self.assertFalse(server_result.received_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 test6522(self):
DEADLINE = time.time() + 5
DEADLINE_TOLERANCE = 0.25
METHOD = b'twinkies'
cygrpc_deadline = cygrpc.Timespec(DEADLINE)
empty_metadata = cygrpc.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,
cygrpc_deadline)
# Prologue
def perform_client_operations(operations, description):
return self._perform_operations(operations, client_call,
self.client_completion_queue,
cygrpc_deadline, description)
client_event_future = perform_client_operations([
cygrpc.operation_send_initial_metadata(empty_metadata,
_EMPTY_FLAGS),
cygrpc.operation_receive_initial_metadata(_EMPTY_FLAGS),
], "Client prologue")
request_event = self.server_completion_queue.poll(cygrpc_deadline)
server_call = request_event.operation_call
def perform_server_operations(operations, description):
return self._perform_operations(operations, server_call,
self.server_completion_queue,
cygrpc_deadline, description)
server_event_future = perform_server_operations([
cygrpc.operation_send_initial_metadata(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.operation_send_message(b'', _EMPTY_FLAGS),
cygrpc.operation_receive_message(_EMPTY_FLAGS),
], "Client message")
server_event_future = perform_server_operations([
cygrpc.operation_send_message(b'', _EMPTY_FLAGS),
cygrpc.operation_receive_message(_EMPTY_FLAGS),
], "Server receive")
client_event_future.result() # force completion
server_event_future.result()
# Epilogue
client_event_future = perform_client_operations([
cygrpc.operation_send_close_from_client(_EMPTY_FLAGS),
cygrpc.operation_receive_status_on_client(_EMPTY_FLAGS)
], "Client epilogue")
server_event_future = perform_server_operations([
cygrpc.operation_receive_close_on_server(_EMPTY_FLAGS),
cygrpc.operation_send_status_from_server(
empty_metadata, cygrpc.StatusCode.ok, b'', _EMPTY_FLAGS)
], "Server epilogue")
client_event_future.result() # force completion
server_event_future.result()
