Make cares resolver opt-in with libuv

SeoJueun · Apr 19, 2019 · 2f28992 · 2f28992
1 parent a84d188
commit 2f28992
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc b/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc
@@ -429,10 +429,18 @@ static grpc_error* blocking_resolve_address_ares(
 static grpc_address_resolver_vtable ares_resolver = {
     grpc_resolve_address_ares, blocking_resolve_address_ares};
 
+#ifdef GRPC_UV
+/* TODO(murgatroid99): Remove this when we want the cares resolver to be the
+ * default when using libuv */
+static bool should_use_ares(const char* resolver_env) {
+  return resolver_env != nullptr && gpr_stricmp(resolver_env, "ares") == 0;
+}
+#else /* GRPC_UV */
 static bool should_use_ares(const char* resolver_env) {
   return resolver_env == nullptr || strlen(resolver_env) == 0 ||
          gpr_stricmp(resolver_env, "ares") == 0;
 }
+#endif /* GRPC_UV */
 
 void grpc_resolver_dns_ares_init() {
   char* resolver_env = gpr_getenv("GRPC_DNS_RESOLVER");