1 files changed, 20 insertions, 1 deletions
diff --git a/src/core/lib/channel/channelz.h b/src/core/lib/channel/channelz.h
index 3f728cda6d..d8113585c2 100644
--- a/src/core/lib/channel/channelz.h
+++ b/src/core/lib/channel/channelz.h
@@ -24,6 +24,7 @@
 #include <grpc/grpc.h>
 
 #include "src/core/lib/channel/channel_trace.h"
+#include "src/core/lib/gprpp/inlined_vector.h"
 #include "src/core/lib/gprpp/manual_constructor.h"
 #include "src/core/lib/gprpp/ref_counted.h"
 #include "src/core/lib/gprpp/ref_counted_ptr.h"
@@ -50,8 +51,14 @@
 #define GRPC_MAX_CHANNEL_TRACE_EVENT_MEMORY_PER_NODE_DEFAULT 0
 
 namespace grpc_core {
+
 namespace channelz {
 
+// TODO(ncteisen), this only contains the uuids of the children for now,
+// since that is all that is strictly needed. In a future enhancement we will
+// add human readable names as in the channelz.proto
+typedef InlinedVector<intptr_t, 10> ChildRefsList;
+
 namespace testing {
 class CallCountingHelperPeer;
 class ChannelNodePeer;
@@ -193,11 +200,13 @@ class ChannelNode : public BaseNode {
 // Handles channelz bookkeeping for servers
 class ServerNode : public BaseNode {
  public:
-  explicit ServerNode(size_t channel_tracer_max_nodes);
+  ServerNode(grpc_server* server, size_t channel_tracer_max_nodes);
   ~ServerNode() override;
 
   grpc_json* RenderJson() override;
 
+  char* RenderServerSockets(intptr_t start_socket_id);
+
   // proxy methods to composed classes.
   void AddTraceEvent(ChannelTrace::Severity severity, grpc_slice data) {
     trace_.AddTraceEvent(severity, data);
@@ -213,6 +222,7 @@ class ServerNode : public BaseNode {
   void RecordCallSucceeded() { call_counter_.RecordCallSucceeded(); }
 
  private:
+  grpc_server* server_;
   CallCountingHelper call_counter_;
   ChannelTrace trace_;
 };
@@ -253,6 +263,15 @@ class SocketNode : public BaseNode {
   UniquePtr<char> peer_string_;
 };
 
+// Handles channelz bookkeeping for listen sockets
+class ListenSocketNode : public BaseNode {
+ public:
+  ListenSocketNode();
+  ~ListenSocketNode() override {}
+
+  grpc_json* RenderJson() override;
+};
+
 // Creation functions
 
 typedef RefCountedPtr<ChannelNode> (*ChannelNodeCreationFunc)(grpc_channel*,