Implements subchannel refs for pick_first

2 files changed, 14 insertions, 0 deletions

diff --git a/src/core/lib/json/json.cc b/src/core/lib/json/json.cc
index 816241bbf0..6d359573f8 100644
--- a/src/core/lib/json/json.cc
+++ b/src/core/lib/json/json.cc
@@ -18,10 +18,12 @@
 
 #include <grpc/support/port_platform.h>
 
+#include <inttypes.h>
 #include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
 
 #include "src/core/lib/json/json.h"
 
@@ -84,3 +86,11 @@ grpc_json* grpc_json_create_child(grpc_json* sibling, grpc_json* parent,
   child->key = key;
   return child;
 }
+
+grpc_json* grpc_json_add_number_string_child(grpc_json* parent, grpc_json* it,
+                                             const char* name, int64_t num) {
+  char* num_str;
+  gpr_asprintf(&num_str, "%" PRId64, num);
+  return grpc_json_create_child(it, parent, name, num_str, GRPC_JSON_STRING,
+                                true);
+}
diff --git a/src/core/lib/json/json.h b/src/core/lib/json/json.h
index f93b43048b..8742774b5f 100644
--- a/src/core/lib/json/json.h
+++ b/src/core/lib/json/json.h
@@ -91,4 +91,8 @@ grpc_json* grpc_json_create_child(grpc_json* sibling, grpc_json* parent,
                                   const char* key, const char* value,
                                   grpc_json_type type, bool owns_value);
 
+/* TODO */
+grpc_json* grpc_json_add_number_string_child(grpc_json* parent, grpc_json* it,
+                                             const char* name, int64_t num);
+
 #endif /* GRPC_CORE_LIB_JSON_JSON_H */