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Initial commit for Python client (#508)
* add protocol layer code & proto file * add rpcClient.py * add .gitignore & add license & fix timeout * Add python git ignore files * Delete redendant IDL files from python directory * Add license header for python files * Add comments for unfinished works --------- Co-authored-by: Aaron Ai <[email protected]>
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@@ -46,3 +46,9 @@ vendor/ | |
golang/*.tests | ||
golang/*.test | ||
golang/*.exe | ||
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# Python | ||
*.pyc | ||
*.pyo | ||
*.pyd | ||
python/__pycache__/ |
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# Licensed to the Apache Software Foundation (ASF) under one or more | ||
# contributor license agreements. See the NOTICE file distributed with | ||
# this work for additional information regarding copyright ownership. | ||
# The ASF licenses this file to You 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. | ||
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from grpc import ssl_channel_credentials, insecure_channel | ||
from datetime import timedelta | ||
import time | ||
from grpc_interceptor import ClientInterceptor, ClientCallDetails | ||
import protocol.service_pb2 as pb2 | ||
import protocol.service_pb2_grpc as servicegrpc | ||
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class MetadataInterceptor(ClientInterceptor): | ||
def __init__(self, metadata): | ||
self.metadata = metadata | ||
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def intercept(self, request, metadata, client_call_details, next): | ||
metadata.update(self.metadata) | ||
new_client_call_details = ClientCallDetails( | ||
client_call_details.method, | ||
client_call_details.timeout, | ||
metadata, | ||
client_call_details.credentials, | ||
client_call_details.wait_for_ready, | ||
client_call_details.compression, | ||
) | ||
return next(request, new_client_call_details) | ||
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class RpcClient: | ||
CONNECT_TIMEOUT_MILLIS = 3*1000 | ||
GRPC_MAX_MESSAGE_SIZE = 2*31 - 1 | ||
def __init__(self, endpoints, sslEnabled): | ||
channel_options = [ | ||
('grpc.max_send_message_length', -1), | ||
('grpc.max_receive_message_length', -1), | ||
('grpc.keepalive_time_ms', 1000), | ||
('grpc.keepalive_timeout_ms', 5000), | ||
('grpc.keepalive_permit_without_calls', True), | ||
('grpc.connect_timeout_ms', self.CONNECT_TIMEOUT_MILLIS), | ||
] | ||
if sslEnabled: | ||
ssl_creds = ssl_channel_credentials() | ||
self.channel = Channel(endpoints.getGrpcTarget(), ssl_creds, options=channel_options) | ||
else: | ||
self.channel = insecure_channel(endpoints.getGrpcTarget(), options=channel_options) | ||
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self.activityNanoTime = time.monotonic_ns() | ||
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def get_stub(self, metadata): | ||
interceptor = MetadataInterceptor(metadata) | ||
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interceptor_channel = grpc.intercept_channel(self.channel, interceptor) | ||
stub = servicegrpc.MessagingServiceStub(interceptor_channel) | ||
return stub | ||
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def __del__(self): | ||
self.channel.close() | ||
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def idle_duration(activity_nano_time): | ||
return timedelta(microseconds=(time.monotonic_ns() - activity_nano_time) / 1000) | ||
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async def query_route(self, metadata, request, duration): | ||
self.activity_nano_time = time.monotonic_ns() | ||
stub = self.get_stub(self, metadata) | ||
return await stub.QueryRoute(request, timeout=duration) | ||
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async def heartbeat(self, metadata, request, duration): | ||
self.activity_nano_time = time.monotonic_ns() | ||
stub = self.get_stub(self, metadata) | ||
return await stub.Heartbeat(request, timeout=duration) | ||
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async def send_message(self, metadata, request, duration): | ||
self.activity_nano_time = time.monotonic_ns() | ||
stub = self.get_stub(self, metadata) | ||
return await stub.SendMessage(request, timeout=duration) | ||
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async def query_assignment(self, metadata, request, duration): | ||
self.activity_nano_time = time.monotonic_ns() | ||
stub = self.get_stub(self, metadata) | ||
return await stub.QueryAssignment(request, timeout=duration) | ||
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# TODO: Not yet imeplemented | ||
async def receive_message(self, metadata, request, duration): | ||
pass | ||
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async def ack_message(self, metadata, request, duration): | ||
self.activity_nano_time = time.monotonic_ns() | ||
stub = self.get_stub(self, metadata) | ||
return await stub.AckMessage(request, timeout=duration) | ||
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async def change_invisible_duration(self, metadata, request, duration): | ||
self.activity_nano_time = time.monotonic_ns() | ||
stub = self.get_stub(self, metadata) | ||
return await stub.ChangeInvisibleDuration(request, timeout=duration) | ||
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async def forward_message_to_dead_letter_queue(self, metadata, request, duration): | ||
self.activity_nano_time = time.monotonic_ns() | ||
stub = self.get_stub(self, metadata) | ||
return await stub.ForwardMessageToDeadLetterQueue(request, timeout=duration) | ||
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async def endTransaction(self, metadata, request, duration): | ||
self.activity_nano_time = time.monotonic_ns() | ||
stub = self.get_stub(self, metadata) | ||
return await stub.EndTransaction(request, timeout=duration) | ||
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async def notifyClientTermination(self, metadata, request, duration): | ||
self.activity_nano_time = time.monotonic_ns() | ||
stub = self.get_stub(self, metadata) | ||
return await stub.NotifyClientTermination(request, timeout=duration) | ||
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async def telemetry(self, metadata, duration, response_observer): | ||
stub = self.get_stub(self, metadata) | ||
return await stub.Telemetry(response_observer, timeout=duration) |
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# Licensed to the Apache Software Foundation (ASF) under one or more | ||
# contributor license agreements. See the NOTICE file distributed with | ||
# this work for additional information regarding copyright ownership. | ||
# The ASF licenses this file to You 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. |
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# Licensed to the Apache Software Foundation (ASF) under one or more | ||
# contributor license agreements. See the NOTICE file distributed with | ||
# this work for additional information regarding copyright ownership. | ||
# The ASF licenses this file to You 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. | ||
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# -*- coding: utf-8 -*- | ||
# Generated by the protocol buffer compiler. DO NOT EDIT! | ||
# source: admin.proto | ||
"""Generated protocol buffer code.""" | ||
from google.protobuf.internal import builder as _builder | ||
from google.protobuf import descriptor as _descriptor | ||
from google.protobuf import descriptor_pool as _descriptor_pool | ||
from google.protobuf import symbol_database as _symbol_database | ||
# @@protoc_insertion_point(imports) | ||
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_sym_db = _symbol_database.Default() | ||
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DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x0b\x61\x64min.proto\x12\x12\x61pache.rocketmq.v2\"\x95\x01\n\x15\x43hangeLogLevelRequest\x12>\n\x05level\x18\x01 \x01(\x0e\x32/.apache.rocketmq.v2.ChangeLogLevelRequest.Level\"<\n\x05Level\x12\t\n\x05TRACE\x10\x00\x12\t\n\x05\x44\x45\x42UG\x10\x01\x12\x08\n\x04INFO\x10\x02\x12\x08\n\x04WARN\x10\x03\x12\t\n\x05\x45RROR\x10\x04\"(\n\x16\x43hangeLogLevelResponse\x12\x0e\n\x06remark\x18\x01 \x01(\t2r\n\x05\x41\x64min\x12i\n\x0e\x43hangeLogLevel\x12).apache.rocketmq.v2.ChangeLogLevelRequest\x1a*.apache.rocketmq.v2.ChangeLogLevelResponse\"\x00\x42=\n\x12\x61pache.rocketmq.v2B\x07MQAdminP\x01\xa0\x01\x01\xd8\x01\x01\xf8\x01\x01\xaa\x02\x12\x41pache.Rocketmq.V2b\x06proto3') | ||
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_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, globals()) | ||
_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'admin_pb2', globals()) | ||
if _descriptor._USE_C_DESCRIPTORS == False: | ||
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DESCRIPTOR._options = None | ||
DESCRIPTOR._serialized_options = b'\n\022apache.rocketmq.v2B\007MQAdminP\001\240\001\001\330\001\001\370\001\001\252\002\022Apache.Rocketmq.V2' | ||
_CHANGELOGLEVELREQUEST._serialized_start=36 | ||
_CHANGELOGLEVELREQUEST._serialized_end=185 | ||
_CHANGELOGLEVELREQUEST_LEVEL._serialized_start=125 | ||
_CHANGELOGLEVELREQUEST_LEVEL._serialized_end=185 | ||
_CHANGELOGLEVELRESPONSE._serialized_start=187 | ||
_CHANGELOGLEVELRESPONSE._serialized_end=227 | ||
_ADMIN._serialized_start=229 | ||
_ADMIN._serialized_end=343 | ||
# @@protoc_insertion_point(module_scope) |
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# Licensed to the Apache Software Foundation (ASF) under one or more | ||
# contributor license agreements. See the NOTICE file distributed with | ||
# this work for additional information regarding copyright ownership. | ||
# The ASF licenses this file to You 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. | ||
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# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT! | ||
"""Client and server classes corresponding to protobuf-defined services.""" | ||
import grpc | ||
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import admin_pb2 as admin__pb2 | ||
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class AdminStub(object): | ||
"""Missing associated documentation comment in .proto file.""" | ||
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def __init__(self, channel): | ||
"""Constructor. | ||
Args: | ||
channel: A grpc.Channel. | ||
""" | ||
self.ChangeLogLevel = channel.unary_unary( | ||
'/apache.rocketmq.v2.Admin/ChangeLogLevel', | ||
request_serializer=admin__pb2.ChangeLogLevelRequest.SerializeToString, | ||
response_deserializer=admin__pb2.ChangeLogLevelResponse.FromString, | ||
) | ||
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class AdminServicer(object): | ||
"""Missing associated documentation comment in .proto file.""" | ||
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def ChangeLogLevel(self, request, context): | ||
"""Missing associated documentation comment in .proto file.""" | ||
context.set_code(grpc.StatusCode.UNIMPLEMENTED) | ||
context.set_details('Method not implemented!') | ||
raise NotImplementedError('Method not implemented!') | ||
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def add_AdminServicer_to_server(servicer, server): | ||
rpc_method_handlers = { | ||
'ChangeLogLevel': grpc.unary_unary_rpc_method_handler( | ||
servicer.ChangeLogLevel, | ||
request_deserializer=admin__pb2.ChangeLogLevelRequest.FromString, | ||
response_serializer=admin__pb2.ChangeLogLevelResponse.SerializeToString, | ||
), | ||
} | ||
generic_handler = grpc.method_handlers_generic_handler( | ||
'apache.rocketmq.v2.Admin', rpc_method_handlers) | ||
server.add_generic_rpc_handlers((generic_handler,)) | ||
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# This class is part of an EXPERIMENTAL API. | ||
class Admin(object): | ||
"""Missing associated documentation comment in .proto file.""" | ||
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@staticmethod | ||
def ChangeLogLevel(request, | ||
target, | ||
options=(), | ||
channel_credentials=None, | ||
call_credentials=None, | ||
insecure=False, | ||
compression=None, | ||
wait_for_ready=None, | ||
timeout=None, | ||
metadata=None): | ||
return grpc.experimental.unary_unary(request, target, '/apache.rocketmq.v2.Admin/ChangeLogLevel', | ||
admin__pb2.ChangeLogLevelRequest.SerializeToString, | ||
admin__pb2.ChangeLogLevelResponse.FromString, | ||
options, channel_credentials, | ||
insecure, call_credentials, compression, wait_for_ready, timeout, metadata) |
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