Add C++ support for GetServers

2 files changed, 20 insertions, 0 deletions

diff --git a/src/cpp/server/channelz/channelz_service.cc b/src/cpp/server/channelz/channelz_service.cc
index 0666986a39..e096c1f421 100644
--- a/src/cpp/server/channelz/channelz_service.cc
+++ b/src/cpp/server/channelz/channelz_service.cc
@@ -44,6 +44,22 @@ Status ChannelzService::GetTopChannels(
   return Status::OK;
 }
 
+Status ChannelzService::GetServers(
+    ServerContext* unused, const channelz::v1::GetServersRequest* request,
+    channelz::v1::GetServersResponse* response) {
+  char* json_str = grpc_channelz_get_servers(request->start_server_id());
+  if (json_str == nullptr) {
+    return Status(INTERNAL, "grpc_channelz_get_servers returned null");
+  }
+  google::protobuf::util::Status s =
+      google::protobuf::util::JsonStringToMessage(json_str, response);
+  gpr_free(json_str);
+  if (s != google::protobuf::util::Status::OK) {
+    return Status(INTERNAL, s.ToString());
+  }
+  return Status::OK;
+}
+
 Status ChannelzService::GetChannel(
     ServerContext* unused, const channelz::v1::GetChannelRequest* request,
     channelz::v1::GetChannelResponse* response) {
diff --git a/src/cpp/server/channelz/channelz_service.h b/src/cpp/server/channelz/channelz_service.h
index 95d6f47cff..9e0b5b6ead 100644
--- a/src/cpp/server/channelz/channelz_service.h
+++ b/src/cpp/server/channelz/channelz_service.h
@@ -32,6 +32,10 @@ class ChannelzService final : public channelz::v1::Channelz::Service {
   Status GetTopChannels(
       ServerContext* unused, const channelz::v1::GetTopChannelsRequest* request,
       channelz::v1::GetTopChannelsResponse* response) override;
+  // implementation of GetServers rpc
+  Status GetServers(ServerContext* unused,
+                    const channelz::v1::GetServersRequest* request,
+                    channelz::v1::GetServersResponse* response) override;
   // implementation of GetChannel rpc
   Status GetChannel(ServerContext* unused,
                     const channelz::v1::GetChannelRequest* request,