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# Copyright 2018 The 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.
"""Channelz debug service implementation in gRPC Python."""
import grpc
from grpc._cython import cygrpc
import grpc_channelz.v1.channelz_pb2 as _channelz_pb2
import grpc_channelz.v1.channelz_pb2_grpc as _channelz_pb2_grpc
from google.protobuf import json_format
class ChannelzServicer(_channelz_pb2_grpc.ChannelzServicer):
"""Servicer handling RPCs for service statuses."""
# pylint: disable=no-self-use
def GetTopChannels(self, request, context):
try:
return json_format.Parse(
cygrpc.channelz_get_top_channels(request.start_channel_id),
_channelz_pb2.GetTopChannelsResponse(),
)
except ValueError as e:
context.set_code(grpc.StatusCode.INVALID_ARGUMENT)
context.set_details(str(e))
# pylint: disable=no-self-use
def GetServers(self, request, context):
try:
return json_format.Parse(
cygrpc.channelz_get_servers(request.start_server_id),
_channelz_pb2.GetServersResponse(),
)
except ValueError as e:
context.set_code(grpc.StatusCode.INVALID_ARGUMENT)
context.set_details(str(e))
# pylint: disable=no-self-use
def GetServer(self, request, context):
try:
return json_format.Parse(
cygrpc.channelz_get_server(request.server_id),
_channelz_pb2.GetServerResponse(),
)
except ValueError as e:
context.set_code(grpc.StatusCode.INVALID_ARGUMENT)
context.set_details(str(e))
# pylint: disable=no-self-use
def GetServerSockets(self, request, context):
try:
return json_format.Parse(
cygrpc.channelz_get_server_sockets(request.server_id,
request.start_socket_id),
_channelz_pb2.GetServerSocketsResponse(),
)
except ValueError as e:
context.set_code(grpc.StatusCode.INVALID_ARGUMENT)
context.set_details(str(e))
# pylint: disable=no-self-use
def GetChannel(self, request, context):
try:
return json_format.Parse(
cygrpc.channelz_get_channel(request.channel_id),
_channelz_pb2.GetChannelResponse(),
)
except ValueError as e:
context.set_code(grpc.StatusCode.INVALID_ARGUMENT)
context.set_details(str(e))
# pylint: disable=no-self-use
def GetSubchannel(self, request, context):
try:
return json_format.Parse(
cygrpc.channelz_get_subchannel(request.subchannel_id),
_channelz_pb2.GetSubchannelResponse(),
)
except ValueError as e:
context.set_code(grpc.StatusCode.INVALID_ARGUMENT)
context.set_details(str(e))
# pylint: disable=no-self-use
def GetSocket(self, request, context):
try:
return json_format.Parse(
cygrpc.channelz_get_socket(request.socket_id),
_channelz_pb2.GetSocketResponse(),
)
except ValueError as e:
context.set_code(grpc.StatusCode.INVALID_ARGUMENT)
context.set_details(str(e))
def enable_channelz(server):
"""Enables Channelz on a server.
Args:
server: grpc.Server to which Channelz service will be added.
"""
_channelz_pb2_grpc.add_ChannelzServicer_to_server(ChannelzServicer(),
server)
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