Fix the muddled linkeage of channelz

1 files changed, 55 insertions, 0 deletions

diff --git a/src/core/ext/filters/client_channel/client_channel_channelz.h b/src/core/ext/filters/client_channel/client_channel_channelz.h
new file mode 100644
index 0000000000..7d05cda7da
--- /dev/null
+++ b/src/core/ext/filters/client_channel/client_channel_channelz.h
@@ -0,0 +1,55 @@
+/*
+ *
+ * Copyright 2018 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.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CLIENT_CHANNEL_CHANNELZ_H
+#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CLIENT_CHANNEL_CHANNELZ_H
+
+#include <grpc/support/port_platform.h>
+
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/channelz.h"
+
+namespace grpc_core {
+namespace channelz {
+
+// Subtype of ChannelNode that overrides and provides client_channel specific
+// functionality like querying for connectivity_state and subchannel data.
+class ClientChannelNode : public ChannelNode {
+ public:
+  ClientChannelNode(grpc_channel* channel, size_t channel_tracer_max_nodes)
+      : ChannelNode(channel, channel_tracer_max_nodes) {}
+  virtual ~ClientChannelNode() {}
+
+  // Override this functionality since client_channels have a notion of
+  // channel connectivity.
+  bool GetConnectivityState(grpc_connectivity_state* state) override;
+
+  // Helper to create a channel arg to ensure this type of ChannelNode is
+  // created.
+  static grpc_arg CreateArg();
+};
+
+RefCountedPtr<ChannelNode> MakeClientChannelNode(
+    grpc_channel* channel, size_t channel_tracer_max_nodes);
+
+grpc_arg BlahBlah();
+
+}  // namespace channelz
+}  // namespace grpc_core
+
+#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CLIENT_CHANNEL_CHANNELZ_H */