1 /*
2 *
3 * Copyright 2018 gRPC authors.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18
19 #include <grpc/support/port_platform.h>
20
21 #include "src/cpp/server/channelz/channelz_service.h"
22
23 #include <google/protobuf/text_format.h>
24 #include <google/protobuf/util/json_util.h>
25
26 #include <grpc/grpc.h>
27 #include <grpc/support/alloc.h>
28
29 namespace grpc {
30
GetTopChannels(ServerContext * unused,const channelz::v1::GetTopChannelsRequest * request,channelz::v1::GetTopChannelsResponse * response)31 Status ChannelzService::GetTopChannels(
32 ServerContext* unused, const channelz::v1::GetTopChannelsRequest* request,
33 channelz::v1::GetTopChannelsResponse* response) {
34 char* json_str = grpc_channelz_get_top_channels(request->start_channel_id());
35 if (json_str == nullptr) {
36 return Status(INTERNAL, "grpc_channelz_get_top_channels returned null");
37 }
38 google::protobuf::util::Status s =
39 google::protobuf::util::JsonStringToMessage(json_str, response);
40 gpr_free(json_str);
41 if (s != google::protobuf::util::Status::OK) {
42 return Status(INTERNAL, s.ToString());
43 }
44 return Status::OK;
45 }
46
GetServers(ServerContext * unused,const channelz::v1::GetServersRequest * request,channelz::v1::GetServersResponse * response)47 Status ChannelzService::GetServers(
48 ServerContext* unused, const channelz::v1::GetServersRequest* request,
49 channelz::v1::GetServersResponse* response) {
50 char* json_str = grpc_channelz_get_servers(request->start_server_id());
51 if (json_str == nullptr) {
52 return Status(INTERNAL, "grpc_channelz_get_servers returned null");
53 }
54 google::protobuf::util::Status s =
55 google::protobuf::util::JsonStringToMessage(json_str, response);
56 gpr_free(json_str);
57 if (s != google::protobuf::util::Status::OK) {
58 return Status(INTERNAL, s.ToString());
59 }
60 return Status::OK;
61 }
62
GetChannel(ServerContext * unused,const channelz::v1::GetChannelRequest * request,channelz::v1::GetChannelResponse * response)63 Status ChannelzService::GetChannel(
64 ServerContext* unused, const channelz::v1::GetChannelRequest* request,
65 channelz::v1::GetChannelResponse* response) {
66 char* json_str = grpc_channelz_get_channel(request->channel_id());
67 if (json_str == nullptr) {
68 return Status(NOT_FOUND, "No object found for that ChannelId");
69 }
70 google::protobuf::util::Status s =
71 google::protobuf::util::JsonStringToMessage(json_str, response);
72 gpr_free(json_str);
73 if (s != google::protobuf::util::Status::OK) {
74 return Status(INTERNAL, s.ToString());
75 }
76 return Status::OK;
77 }
78
GetSubchannel(ServerContext * unused,const channelz::v1::GetSubchannelRequest * request,channelz::v1::GetSubchannelResponse * response)79 Status ChannelzService::GetSubchannel(
80 ServerContext* unused, const channelz::v1::GetSubchannelRequest* request,
81 channelz::v1::GetSubchannelResponse* response) {
82 char* json_str = grpc_channelz_get_subchannel(request->subchannel_id());
83 if (json_str == nullptr) {
84 return Status(NOT_FOUND, "No object found for that SubchannelId");
85 }
86 google::protobuf::util::Status s =
87 google::protobuf::util::JsonStringToMessage(json_str, response);
88 gpr_free(json_str);
89 if (s != google::protobuf::util::Status::OK) {
90 return Status(INTERNAL, s.ToString());
91 }
92 return Status::OK;
93 }
94
95 } // namespace grpc
96