mirror of https://github.com/grpc/grpc.git
parent
fdfaf1b12e
commit
6146151a4f
11 changed files with 690 additions and 0 deletions
@ -0,0 +1,68 @@ |
||||
# Copyright 2017 gRPC authors. |
||||
# |
||||
# Licensed under the Apache License, Version 2.0 (the "License"); |
||||
# you may not use this file except in compliance with the License. |
||||
# You may obtain a copy of the License at |
||||
# |
||||
# http://www.apache.org/licenses/LICENSE-2.0 |
||||
# |
||||
# Unless required by applicable law or agreed to in writing, software |
||||
# distributed under the License is distributed on an "AS IS" BASIS, |
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||
# See the License for the specific language governing permissions and |
||||
# limitations under the License. |
||||
"""Interceptor that adds headers to outgoing requests.""" |
||||
|
||||
import collections |
||||
|
||||
import grpc |
||||
|
||||
|
||||
class _ConcreteValue(grpc.Future): |
||||
|
||||
def __init__(self, result): |
||||
self._result = result |
||||
|
||||
def cancel(self): |
||||
return False |
||||
|
||||
def cancelled(self): |
||||
return False |
||||
|
||||
def running(self): |
||||
return False |
||||
|
||||
def done(self): |
||||
return True |
||||
|
||||
def result(self, timeout=None): |
||||
return self._result |
||||
|
||||
def exception(self, timeout=None): |
||||
return None |
||||
|
||||
def traceback(self, timeout=None): |
||||
return None |
||||
|
||||
def add_done_callback(self, fn): |
||||
fn(self._result) |
||||
|
||||
|
||||
class DefaultValueClientInterceptor(grpc.UnaryUnaryClientInterceptor, |
||||
grpc.StreamUnaryClientInterceptor): |
||||
|
||||
def __init__(self, value): |
||||
self._default = _ConcreteValue(value) |
||||
|
||||
def _intercept_call(self, continuation, client_call_details, |
||||
request_or_iterator): |
||||
response = continuation(client_call_details, request_or_iterator) |
||||
return self._default if response.exception() else response |
||||
|
||||
def intercept_unary_unary(self, continuation, client_call_details, request): |
||||
return self._intercept_call(continuation, client_call_details, request) |
||||
|
||||
def intercept_stream_unary(self, continuation, client_call_details, |
||||
request_iterator): |
||||
return self._intercept_call(continuation, client_call_details, |
||||
request_iterator) |
@ -0,0 +1,38 @@ |
||||
# Copyright 2017 gRPC authors. |
||||
# |
||||
# Licensed under the Apache License, Version 2.0 (the "License"); |
||||
# you may not use this file except in compliance with the License. |
||||
# You may obtain a copy of the License at |
||||
# |
||||
# http://www.apache.org/licenses/LICENSE-2.0 |
||||
# |
||||
# Unless required by applicable law or agreed to in writing, software |
||||
# distributed under the License is distributed on an "AS IS" BASIS, |
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||
# See the License for the specific language governing permissions and |
||||
# limitations under the License. |
||||
"""The Python implementation of the gRPC helloworld.Greeter client.""" |
||||
|
||||
from __future__ import print_function |
||||
|
||||
import grpc |
||||
|
||||
import helloworld_pb2 |
||||
import helloworld_pb2_grpc |
||||
import default_value_client_interceptor |
||||
|
||||
|
||||
def run(): |
||||
default_value = helloworld_pb2.HelloReply( |
||||
message='Hello from your local interceptor!') |
||||
default_value_interceptor = default_value_client_interceptor.DefaultValueClientInterceptor( |
||||
default_value) |
||||
channel = grpc.insecure_channel('localhost:50051') |
||||
channel = grpc.intercept_channel(channel, default_value_interceptor) |
||||
stub = helloworld_pb2_grpc.GreeterStub(channel) |
||||
response = stub.SayHello(helloworld_pb2.HelloRequest(name='you')) |
||||
print("Greeter client received: " + response.message) |
||||
|
||||
|
||||
if __name__ == '__main__': |
||||
run() |
@ -0,0 +1,134 @@ |
||||
# Generated by the protocol buffer compiler. DO NOT EDIT! |
||||
# source: helloworld.proto |
||||
|
||||
import sys |
||||
_b=sys.version_info[0]<3 and (lambda x:x) or (lambda x:x.encode('latin1')) |
||||
from google.protobuf import descriptor as _descriptor |
||||
from google.protobuf import message as _message |
||||
from google.protobuf import reflection as _reflection |
||||
from google.protobuf import symbol_database as _symbol_database |
||||
from google.protobuf import descriptor_pb2 |
||||
# @@protoc_insertion_point(imports) |
||||
|
||||
_sym_db = _symbol_database.Default() |
||||
|
||||
|
||||
|
||||
|
||||
DESCRIPTOR = _descriptor.FileDescriptor( |
||||
name='helloworld.proto', |
||||
package='helloworld', |
||||
syntax='proto3', |
||||
serialized_pb=_b('\n\x10helloworld.proto\x12\nhelloworld\"\x1c\n\x0cHelloRequest\x12\x0c\n\x04name\x18\x01 \x01(\t\"\x1d\n\nHelloReply\x12\x0f\n\x07message\x18\x01 \x01(\t2I\n\x07Greeter\x12>\n\x08SayHello\x12\x18.helloworld.HelloRequest\x1a\x16.helloworld.HelloReply\"\x00\x42\x36\n\x1bio.grpc.examples.helloworldB\x0fHelloWorldProtoP\x01\xa2\x02\x03HLWb\x06proto3') |
||||
) |
||||
|
||||
|
||||
|
||||
|
||||
_HELLOREQUEST = _descriptor.Descriptor( |
||||
name='HelloRequest', |
||||
full_name='helloworld.HelloRequest', |
||||
filename=None, |
||||
file=DESCRIPTOR, |
||||
containing_type=None, |
||||
fields=[ |
||||
_descriptor.FieldDescriptor( |
||||
name='name', full_name='helloworld.HelloRequest.name', index=0, |
||||
number=1, type=9, cpp_type=9, label=1, |
||||
has_default_value=False, default_value=_b("").decode('utf-8'), |
||||
message_type=None, enum_type=None, containing_type=None, |
||||
is_extension=False, extension_scope=None, |
||||
options=None), |
||||
], |
||||
extensions=[ |
||||
], |
||||
nested_types=[], |
||||
enum_types=[ |
||||
], |
||||
options=None, |
||||
is_extendable=False, |
||||
syntax='proto3', |
||||
extension_ranges=[], |
||||
oneofs=[ |
||||
], |
||||
serialized_start=32, |
||||
serialized_end=60, |
||||
) |
||||
|
||||
|
||||
_HELLOREPLY = _descriptor.Descriptor( |
||||
name='HelloReply', |
||||
full_name='helloworld.HelloReply', |
||||
filename=None, |
||||
file=DESCRIPTOR, |
||||
containing_type=None, |
||||
fields=[ |
||||
_descriptor.FieldDescriptor( |
||||
name='message', full_name='helloworld.HelloReply.message', index=0, |
||||
number=1, type=9, cpp_type=9, label=1, |
||||
has_default_value=False, default_value=_b("").decode('utf-8'), |
||||
message_type=None, enum_type=None, containing_type=None, |
||||
is_extension=False, extension_scope=None, |
||||
options=None), |
||||
], |
||||
extensions=[ |
||||
], |
||||
nested_types=[], |
||||
enum_types=[ |
||||
], |
||||
options=None, |
||||
is_extendable=False, |
||||
syntax='proto3', |
||||
extension_ranges=[], |
||||
oneofs=[ |
||||
], |
||||
serialized_start=62, |
||||
serialized_end=91, |
||||
) |
||||
|
||||
DESCRIPTOR.message_types_by_name['HelloRequest'] = _HELLOREQUEST |
||||
DESCRIPTOR.message_types_by_name['HelloReply'] = _HELLOREPLY |
||||
_sym_db.RegisterFileDescriptor(DESCRIPTOR) |
||||
|
||||
HelloRequest = _reflection.GeneratedProtocolMessageType('HelloRequest', (_message.Message,), dict( |
||||
DESCRIPTOR = _HELLOREQUEST, |
||||
__module__ = 'helloworld_pb2' |
||||
# @@protoc_insertion_point(class_scope:helloworld.HelloRequest) |
||||
)) |
||||
_sym_db.RegisterMessage(HelloRequest) |
||||
|
||||
HelloReply = _reflection.GeneratedProtocolMessageType('HelloReply', (_message.Message,), dict( |
||||
DESCRIPTOR = _HELLOREPLY, |
||||
__module__ = 'helloworld_pb2' |
||||
# @@protoc_insertion_point(class_scope:helloworld.HelloReply) |
||||
)) |
||||
_sym_db.RegisterMessage(HelloReply) |
||||
|
||||
|
||||
DESCRIPTOR.has_options = True |
||||
DESCRIPTOR._options = _descriptor._ParseOptions(descriptor_pb2.FileOptions(), _b('\n\033io.grpc.examples.helloworldB\017HelloWorldProtoP\001\242\002\003HLW')) |
||||
|
||||
_GREETER = _descriptor.ServiceDescriptor( |
||||
name='Greeter', |
||||
full_name='helloworld.Greeter', |
||||
file=DESCRIPTOR, |
||||
index=0, |
||||
options=None, |
||||
serialized_start=93, |
||||
serialized_end=166, |
||||
methods=[ |
||||
_descriptor.MethodDescriptor( |
||||
name='SayHello', |
||||
full_name='helloworld.Greeter.SayHello', |
||||
index=0, |
||||
containing_service=None, |
||||
input_type=_HELLOREQUEST, |
||||
output_type=_HELLOREPLY, |
||||
options=None, |
||||
), |
||||
]) |
||||
_sym_db.RegisterServiceDescriptor(_GREETER) |
||||
|
||||
DESCRIPTOR.services_by_name['Greeter'] = _GREETER |
||||
|
||||
# @@protoc_insertion_point(module_scope) |
@ -0,0 +1,46 @@ |
||||
# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT! |
||||
import grpc |
||||
|
||||
import helloworld_pb2 as helloworld__pb2 |
||||
|
||||
|
||||
class GreeterStub(object): |
||||
"""The greeting service definition. |
||||
""" |
||||
|
||||
def __init__(self, channel): |
||||
"""Constructor. |
||||
|
||||
Args: |
||||
channel: A grpc.Channel. |
||||
""" |
||||
self.SayHello = channel.unary_unary( |
||||
'/helloworld.Greeter/SayHello', |
||||
request_serializer=helloworld__pb2.HelloRequest.SerializeToString, |
||||
response_deserializer=helloworld__pb2.HelloReply.FromString, |
||||
) |
||||
|
||||
|
||||
class GreeterServicer(object): |
||||
"""The greeting service definition. |
||||
""" |
||||
|
||||
def SayHello(self, request, context): |
||||
"""Sends a greeting |
||||
""" |
||||
context.set_code(grpc.StatusCode.UNIMPLEMENTED) |
||||
context.set_details('Method not implemented!') |
||||
raise NotImplementedError('Method not implemented!') |
||||
|
||||
|
||||
def add_GreeterServicer_to_server(servicer, server): |
||||
rpc_method_handlers = { |
||||
'SayHello': grpc.unary_unary_rpc_method_handler( |
||||
servicer.SayHello, |
||||
request_deserializer=helloworld__pb2.HelloRequest.FromString, |
||||
response_serializer=helloworld__pb2.HelloReply.SerializeToString, |
||||
), |
||||
} |
||||
generic_handler = grpc.method_handlers_generic_handler( |
||||
'helloworld.Greeter', rpc_method_handlers) |
||||
server.add_generic_rpc_handlers((generic_handler,)) |
@ -0,0 +1,55 @@ |
||||
# Copyright 2017 gRPC authors. |
||||
# |
||||
# Licensed under the Apache License, Version 2.0 (the "License"); |
||||
# you may not use this file except in compliance with the License. |
||||
# You may obtain a copy of the License at |
||||
# |
||||
# http://www.apache.org/licenses/LICENSE-2.0 |
||||
# |
||||
# Unless required by applicable law or agreed to in writing, software |
||||
# distributed under the License is distributed on an "AS IS" BASIS, |
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||
# See the License for the specific language governing permissions and |
||||
# limitations under the License. |
||||
"""Base class for interceptors that operate on all RPC types.""" |
||||
|
||||
import grpc |
||||
|
||||
|
||||
class _GenericClientInterceptor( |
||||
grpc.UnaryUnaryClientInterceptor, grpc.UnaryStreamClientInterceptor, |
||||
grpc.StreamUnaryClientInterceptor, grpc.StreamStreamClientInterceptor): |
||||
|
||||
def __init__(self, interceptor_function): |
||||
self._fn = interceptor_function |
||||
|
||||
def intercept_unary_unary(self, continuation, client_call_details, request): |
||||
new_details, new_request_iterator, postprocess = self._fn( |
||||
client_call_details, iter((request,)), False, False) |
||||
response = continuation(new_details, next(new_request_iterator)) |
||||
return postprocess(response) if postprocess else response |
||||
|
||||
def intercept_unary_stream(self, continuation, client_call_details, |
||||
request): |
||||
new_details, new_request_iterator, postprocess = self._fn( |
||||
client_call_details, iter((request,)), False, True) |
||||
response_it = continuation(new_details, new_request_iterator) |
||||
return postprocess(response_it) if postprocess else response_it |
||||
|
||||
def intercept_stream_unary(self, continuation, client_call_details, |
||||
request_iterator): |
||||
new_details, new_request_iterator, postprocess = self._fn( |
||||
client_call_details, request_iterator, True, False) |
||||
response = continuation(new_details, next(new_request_iterator)) |
||||
return postprocess(response) if postprocess else response |
||||
|
||||
def intercept_stream_stream(self, continuation, client_call_details, |
||||
request_iterator): |
||||
new_details, new_request_iterator, postprocess = self._fn( |
||||
client_call_details, request_iterator, True, True) |
||||
response_it = continuation(new_details, new_request_iterator) |
||||
return postprocess(response_it) if postprocess else response_it |
||||
|
||||
|
||||
def create(intercept_call): |
||||
return _GenericClientInterceptor(intercept_call) |
@ -0,0 +1,36 @@ |
||||
# Copyright 2017 gRPC authors. |
||||
# |
||||
# Licensed under the Apache License, Version 2.0 (the "License"); |
||||
# you may not use this file except in compliance with the License. |
||||
# You may obtain a copy of the License at |
||||
# |
||||
# http://www.apache.org/licenses/LICENSE-2.0 |
||||
# |
||||
# Unless required by applicable law or agreed to in writing, software |
||||
# distributed under the License is distributed on an "AS IS" BASIS, |
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||
# See the License for the specific language governing permissions and |
||||
# limitations under the License. |
||||
"""The Python implementation of the GRPC helloworld.Greeter client.""" |
||||
|
||||
from __future__ import print_function |
||||
|
||||
import grpc |
||||
|
||||
import helloworld_pb2 |
||||
import helloworld_pb2_grpc |
||||
import header_manipulator_client_interceptor |
||||
|
||||
|
||||
def run(): |
||||
header_adder_interceptor = header_manipulator_client_interceptor.header_adder_interceptor( |
||||
'one-time-password', '42') |
||||
channel = grpc.insecure_channel('localhost:50051') |
||||
channel = grpc.intercept_channel(channel, header_adder_interceptor) |
||||
stub = helloworld_pb2_grpc.GreeterStub(channel) |
||||
response = stub.SayHello(helloworld_pb2.HelloRequest(name='you')) |
||||
print("Greeter client received: " + response.message) |
||||
|
||||
|
||||
if __name__ == '__main__': |
||||
run() |
@ -0,0 +1,52 @@ |
||||
# Copyright 2017 gRPC authors. |
||||
# |
||||
# Licensed under the Apache License, Version 2.0 (the "License"); |
||||
# you may not use this file except in compliance with the License. |
||||
# You may obtain a copy of the License at |
||||
# |
||||
# http://www.apache.org/licenses/LICENSE-2.0 |
||||
# |
||||
# Unless required by applicable law or agreed to in writing, software |
||||
# distributed under the License is distributed on an "AS IS" BASIS, |
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||
# See the License for the specific language governing permissions and |
||||
# limitations under the License. |
||||
"""The Python implementation of the GRPC helloworld.Greeter server.""" |
||||
|
||||
from concurrent import futures |
||||
import time |
||||
|
||||
import grpc |
||||
|
||||
import helloworld_pb2 |
||||
import helloworld_pb2_grpc |
||||
from request_header_validator_interceptor import RequestHeaderValidatorInterceptor |
||||
|
||||
_ONE_DAY_IN_SECONDS = 60 * 60 * 24 |
||||
|
||||
|
||||
class Greeter(helloworld_pb2_grpc.GreeterServicer): |
||||
|
||||
def SayHello(self, request, context): |
||||
return helloworld_pb2.HelloReply(message='Hello, %s!' % request.name) |
||||
|
||||
|
||||
def serve(): |
||||
header_validator = RequestHeaderValidatorInterceptor( |
||||
'one-time-password', '42', grpc.StatusCode.UNAUTHENTICATED, |
||||
'Access denied!') |
||||
server = grpc.server( |
||||
futures.ThreadPoolExecutor(max_workers=10), |
||||
interceptors=(header_validator,)) |
||||
helloworld_pb2_grpc.add_GreeterServicer_to_server(Greeter(), server) |
||||
server.add_insecure_port('[::]:50051') |
||||
server.start() |
||||
try: |
||||
while True: |
||||
time.sleep(_ONE_DAY_IN_SECONDS) |
||||
except KeyboardInterrupt: |
||||
server.stop(0) |
||||
|
||||
|
||||
if __name__ == '__main__': |
||||
serve() |
@ -0,0 +1,42 @@ |
||||
# Copyright 2017 gRPC authors. |
||||
# |
||||
# Licensed under the Apache License, Version 2.0 (the "License"); |
||||
# you may not use this file except in compliance with the License. |
||||
# You may obtain a copy of the License at |
||||
# |
||||
# http://www.apache.org/licenses/LICENSE-2.0 |
||||
# |
||||
# Unless required by applicable law or agreed to in writing, software |
||||
# distributed under the License is distributed on an "AS IS" BASIS, |
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||
# See the License for the specific language governing permissions and |
||||
# limitations under the License. |
||||
"""Interceptor that adds headers to outgoing requests.""" |
||||
|
||||
import collections |
||||
|
||||
import grpc |
||||
import generic_client_interceptor |
||||
|
||||
|
||||
class _ClientCallDetails( |
||||
collections.namedtuple('_ClientCallDetails', |
||||
('method', 'timeout', 'metadata', |
||||
'credentials')), grpc.ClientCallDetails): |
||||
pass |
||||
|
||||
|
||||
def header_adder_interceptor(header, value): |
||||
|
||||
def intercept_call(client_call_details, request_iterator, request_streaming, |
||||
response_streaming): |
||||
metadata = [] |
||||
if client_call_details.metadata is not None: |
||||
metadata = list(client_call_details.metadata) |
||||
metadata.append((header, value,)) |
||||
client_call_details = _ClientCallDetails( |
||||
client_call_details.method, client_call_details.timeout, metadata, |
||||
client_call_details.credentials) |
||||
return client_call_details, request_iterator, None |
||||
|
||||
return generic_client_interceptor.create(intercept_call) |
@ -0,0 +1,134 @@ |
||||
# Generated by the protocol buffer compiler. DO NOT EDIT! |
||||
# source: helloworld.proto |
||||
|
||||
import sys |
||||
_b=sys.version_info[0]<3 and (lambda x:x) or (lambda x:x.encode('latin1')) |
||||
from google.protobuf import descriptor as _descriptor |
||||
from google.protobuf import message as _message |
||||
from google.protobuf import reflection as _reflection |
||||
from google.protobuf import symbol_database as _symbol_database |
||||
from google.protobuf import descriptor_pb2 |
||||
# @@protoc_insertion_point(imports) |
||||
|
||||
_sym_db = _symbol_database.Default() |
||||
|
||||
|
||||
|
||||
|
||||
DESCRIPTOR = _descriptor.FileDescriptor( |
||||
name='helloworld.proto', |
||||
package='helloworld', |
||||
syntax='proto3', |
||||
serialized_pb=_b('\n\x10helloworld.proto\x12\nhelloworld\"\x1c\n\x0cHelloRequest\x12\x0c\n\x04name\x18\x01 \x01(\t\"\x1d\n\nHelloReply\x12\x0f\n\x07message\x18\x01 \x01(\t2I\n\x07Greeter\x12>\n\x08SayHello\x12\x18.helloworld.HelloRequest\x1a\x16.helloworld.HelloReply\"\x00\x42\x36\n\x1bio.grpc.examples.helloworldB\x0fHelloWorldProtoP\x01\xa2\x02\x03HLWb\x06proto3') |
||||
) |
||||
|
||||
|
||||
|
||||
|
||||
_HELLOREQUEST = _descriptor.Descriptor( |
||||
name='HelloRequest', |
||||
full_name='helloworld.HelloRequest', |
||||
filename=None, |
||||
file=DESCRIPTOR, |
||||
containing_type=None, |
||||
fields=[ |
||||
_descriptor.FieldDescriptor( |
||||
name='name', full_name='helloworld.HelloRequest.name', index=0, |
||||
number=1, type=9, cpp_type=9, label=1, |
||||
has_default_value=False, default_value=_b("").decode('utf-8'), |
||||
message_type=None, enum_type=None, containing_type=None, |
||||
is_extension=False, extension_scope=None, |
||||
options=None), |
||||
], |
||||
extensions=[ |
||||
], |
||||
nested_types=[], |
||||
enum_types=[ |
||||
], |
||||
options=None, |
||||
is_extendable=False, |
||||
syntax='proto3', |
||||
extension_ranges=[], |
||||
oneofs=[ |
||||
], |
||||
serialized_start=32, |
||||
serialized_end=60, |
||||
) |
||||
|
||||
|
||||
_HELLOREPLY = _descriptor.Descriptor( |
||||
name='HelloReply', |
||||
full_name='helloworld.HelloReply', |
||||
filename=None, |
||||
file=DESCRIPTOR, |
||||
containing_type=None, |
||||
fields=[ |
||||
_descriptor.FieldDescriptor( |
||||
name='message', full_name='helloworld.HelloReply.message', index=0, |
||||
number=1, type=9, cpp_type=9, label=1, |
||||
has_default_value=False, default_value=_b("").decode('utf-8'), |
||||
message_type=None, enum_type=None, containing_type=None, |
||||
is_extension=False, extension_scope=None, |
||||
options=None), |
||||
], |
||||
extensions=[ |
||||
], |
||||
nested_types=[], |
||||
enum_types=[ |
||||
], |
||||
options=None, |
||||
is_extendable=False, |
||||
syntax='proto3', |
||||
extension_ranges=[], |
||||
oneofs=[ |
||||
], |
||||
serialized_start=62, |
||||
serialized_end=91, |
||||
) |
||||
|
||||
DESCRIPTOR.message_types_by_name['HelloRequest'] = _HELLOREQUEST |
||||
DESCRIPTOR.message_types_by_name['HelloReply'] = _HELLOREPLY |
||||
_sym_db.RegisterFileDescriptor(DESCRIPTOR) |
||||
|
||||
HelloRequest = _reflection.GeneratedProtocolMessageType('HelloRequest', (_message.Message,), dict( |
||||
DESCRIPTOR = _HELLOREQUEST, |
||||
__module__ = 'helloworld_pb2' |
||||
# @@protoc_insertion_point(class_scope:helloworld.HelloRequest) |
||||
)) |
||||
_sym_db.RegisterMessage(HelloRequest) |
||||
|
||||
HelloReply = _reflection.GeneratedProtocolMessageType('HelloReply', (_message.Message,), dict( |
||||
DESCRIPTOR = _HELLOREPLY, |
||||
__module__ = 'helloworld_pb2' |
||||
# @@protoc_insertion_point(class_scope:helloworld.HelloReply) |
||||
)) |
||||
_sym_db.RegisterMessage(HelloReply) |
||||
|
||||
|
||||
DESCRIPTOR.has_options = True |
||||
DESCRIPTOR._options = _descriptor._ParseOptions(descriptor_pb2.FileOptions(), _b('\n\033io.grpc.examples.helloworldB\017HelloWorldProtoP\001\242\002\003HLW')) |
||||
|
||||
_GREETER = _descriptor.ServiceDescriptor( |
||||
name='Greeter', |
||||
full_name='helloworld.Greeter', |
||||
file=DESCRIPTOR, |
||||
index=0, |
||||
options=None, |
||||
serialized_start=93, |
||||
serialized_end=166, |
||||
methods=[ |
||||
_descriptor.MethodDescriptor( |
||||
name='SayHello', |
||||
full_name='helloworld.Greeter.SayHello', |
||||
index=0, |
||||
containing_service=None, |
||||
input_type=_HELLOREQUEST, |
||||
output_type=_HELLOREPLY, |
||||
options=None, |
||||
), |
||||
]) |
||||
_sym_db.RegisterServiceDescriptor(_GREETER) |
||||
|
||||
DESCRIPTOR.services_by_name['Greeter'] = _GREETER |
||||
|
||||
# @@protoc_insertion_point(module_scope) |
@ -0,0 +1,46 @@ |
||||
# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT! |
||||
import grpc |
||||
|
||||
import helloworld_pb2 as helloworld__pb2 |
||||
|
||||
|
||||
class GreeterStub(object): |
||||
"""The greeting service definition. |
||||
""" |
||||
|
||||
def __init__(self, channel): |
||||
"""Constructor. |
||||
|
||||
Args: |
||||
channel: A grpc.Channel. |
||||
""" |
||||
self.SayHello = channel.unary_unary( |
||||
'/helloworld.Greeter/SayHello', |
||||
request_serializer=helloworld__pb2.HelloRequest.SerializeToString, |
||||
response_deserializer=helloworld__pb2.HelloReply.FromString, |
||||
) |
||||
|
||||
|
||||
class GreeterServicer(object): |
||||
"""The greeting service definition. |
||||
""" |
||||
|
||||
def SayHello(self, request, context): |
||||
"""Sends a greeting |
||||
""" |
||||
context.set_code(grpc.StatusCode.UNIMPLEMENTED) |
||||
context.set_details('Method not implemented!') |
||||
raise NotImplementedError('Method not implemented!') |
||||
|
||||
|
||||
def add_GreeterServicer_to_server(servicer, server): |
||||
rpc_method_handlers = { |
||||
'SayHello': grpc.unary_unary_rpc_method_handler( |
||||
servicer.SayHello, |
||||
request_deserializer=helloworld__pb2.HelloRequest.FromString, |
||||
response_serializer=helloworld__pb2.HelloReply.SerializeToString, |
||||
), |
||||
} |
||||
generic_handler = grpc.method_handlers_generic_handler( |
||||
'helloworld.Greeter', rpc_method_handlers) |
||||
server.add_generic_rpc_handlers((generic_handler,)) |
@ -0,0 +1,39 @@ |
||||
# Copyright 2017 gRPC authors. |
||||
# |
||||
# Licensed under the Apache License, Version 2.0 (the "License"); |
||||
# you may not use this file except in compliance with the License. |
||||
# You may obtain a copy of the License at |
||||
# |
||||
# http://www.apache.org/licenses/LICENSE-2.0 |
||||
# |
||||
# Unless required by applicable law or agreed to in writing, software |
||||
# distributed under the License is distributed on an "AS IS" BASIS, |
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||
# See the License for the specific language governing permissions and |
||||
# limitations under the License. |
||||
"""Interceptor that ensures a specific header is present.""" |
||||
|
||||
import grpc |
||||
|
||||
|
||||
def _unary_unary_rpc_terminator(code, details): |
||||
|
||||
def terminate(ignored_request, context): |
||||
context.abort(code, details) |
||||
|
||||
return grpc.unary_unary_rpc_method_handler(terminate) |
||||
|
||||
|
||||
class RequestHeaderValidatorInterceptor(grpc.ServerInterceptor): |
||||
|
||||
def __init__(self, header, value, code, details): |
||||
self._header = header |
||||
self._value = value |
||||
self._terminator = _unary_unary_rpc_terminator(code, details) |
||||
|
||||
def intercept_service(self, continuation, handler_call_details): |
||||
if (self._header, |
||||
self._value) in handler_call_details.invocation_metadata: |
||||
return continuation(handler_call_details) |
||||
else: |
||||
return self._terminator |
Loading…
Reference in new issue