Encode method config table in channel args instead of in resolver result.

2 files changed, 16 insertions, 0 deletions

diff --git a/src/core/lib/channel/channel_args.c b/src/core/lib/channel/channel_args.c
index 3a56b1ff20..bab6fcd9fa 100644
--- a/src/core/lib/channel/channel_args.c
+++ b/src/core/lib/channel/channel_args.c
@@ -272,6 +272,16 @@ int grpc_channel_args_compare(const grpc_channel_args *a,
   return 0;
 }
 
+const grpc_arg *grpc_channel_args_find(const grpc_channel_args *args,
+                                       const char *name) {
+  if (args != NULL) {
+    for (size_t i = 0; i < args->num_args; ++i) {
+      if (args->args[i].key == name) return &args->args[i];
+    }
+  }
+  return NULL;
+}
+
 int grpc_channel_arg_get_integer(grpc_arg *arg, grpc_integer_options options) {
   if (arg->type != GRPC_ARG_INTEGER) {
     gpr_log(GPR_ERROR, "%s ignored: it must be an integer", arg->key);
diff --git a/src/core/lib/channel/channel_args.h b/src/core/lib/channel/channel_args.h
index 586a296d1f..38fb4c55d4 100644
--- a/src/core/lib/channel/channel_args.h
+++ b/src/core/lib/channel/channel_args.h
@@ -89,6 +89,12 @@ uint32_t grpc_channel_args_compression_algorithm_get_states(
 int grpc_channel_args_compare(const grpc_channel_args *a,
                               const grpc_channel_args *b);
 
+/** Returns the value of argument \a name from \a args, or NULL if not found.
+    Note: \a name is matched using pointer equality, so it must be the
+    same instance of the string used to create the grpc_arg key. */
+const grpc_arg *grpc_channel_args_find(const grpc_channel_args *args,
+                                       const char *name);
+
 typedef struct grpc_integer_options {
   int default_value;  // Return this if value is outside of expected bounds.
   int min_value;