def _cancel_after_first_response(stub):
request_response_sizes = (31415, 9, 2653, 58979)
request_payload_sizes = (27182, 8, 1828, 45904)
with stub, _Pipe() as pipe:
response_iterator = stub.FullDuplexCall(pipe, _TIMEOUT)
response_size = request_response_sizes[0]
payload_size = request_payload_sizes[0]
request = messages_pb2.StreamingOutputCallRequest(
response_type=messages_pb2.COMPRESSABLE,
response_parameters=(messages_pb2.ResponseParameters(
size=response_size),),
payload=messages_pb2.Payload(body=b'\x00' * payload_size))
pipe.add(request)
response = next(response_iterator)
# We test the contents of `response` in the Ping Pong test - don't check
# them here.
response_iterator.cancel()
try:
next(response_iterator)
except Exception:
pass
else:
raise ValueError('expected call to be cancelled')
def _server_streaming(stub):
sizes = (31415, 9, 2653, 58979)
with stub:
request = messages_pb2.StreamingOutputCallRequest(
response_type=messages_pb2.COMPRESSABLE,
response_parameters=(
messages_pb2.ResponseParameters(size=sizes[0]),
messages_pb2.ResponseParameters(size=sizes[1]),
messages_pb2.ResponseParameters(size=sizes[2]),
messages_pb2.ResponseParameters(size=sizes[3]),
))
response_iterator = stub.StreamingOutputCall(request, _TIMEOUT)
for index, response in enumerate(response_iterator):
if response.payload.type != messages_pb2.COMPRESSABLE:
raise ValueError(
'response body of invalid type %s!' % response.payload.type)
if len(response.payload.body) != sizes[index]:
raise ValueError(
'response body of invalid size %d!' % len(response.payload.body))
def _ping_pong(stub):
request_response_sizes = (31415, 9, 2653, 58979)
request_payload_sizes = (27182, 8, 1828, 45904)
with stub, _Pipe() as pipe:
response_iterator = stub.FullDuplexCall(pipe, _TIMEOUT)
print('Starting ping-pong with response iterator %s' % response_iterator)
for response_size, payload_size in zip(
request_response_sizes, request_payload_sizes):
request = messages_pb2.StreamingOutputCallRequest(
response_type=messages_pb2.COMPRESSABLE,
response_parameters=(messages_pb2.ResponseParameters(
size=response_size),),
payload=messages_pb2.Payload(body=b'\x00' * payload_size))
pipe.add(request)
response = next(response_iterator)
if response.payload.type != messages_pb2.COMPRESSABLE:
raise ValueError(
'response body of invalid type %s!' % response.payload.type)
if len(response.payload.body) != response_size:
raise ValueError(
'response body of invalid size %d!' % len(response.payload.body))