| /* |
| * |
| * 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. |
| * |
| */ |
| |
| #include <grpc/support/port_platform.h> |
| |
| #include "src/core/ext/transport/chttp2/client/authority.h" |
| |
| grpc_channel_args* grpc_default_authority_add_if_not_present( |
| const grpc_channel_args* args) { |
| const bool has_default_authority = |
| grpc_channel_args_find(args, GRPC_ARG_DEFAULT_AUTHORITY) != nullptr; |
| grpc_arg new_args[1]; |
| size_t num_new_args = 0; |
| grpc_core::UniquePtr<char> default_authority; |
| if (!has_default_authority) { |
| const grpc_arg* server_uri_arg = |
| grpc_channel_args_find(args, GRPC_ARG_SERVER_URI); |
| const char* server_uri_str = grpc_channel_arg_get_string(server_uri_arg); |
| GPR_ASSERT(server_uri_str != nullptr); |
| default_authority = |
| grpc_core::ResolverRegistry::GetDefaultAuthority(server_uri_str); |
| GPR_ASSERT(default_authority != nullptr); |
| new_args[num_new_args++] = grpc_channel_arg_string_create( |
| const_cast<char*>(GRPC_ARG_DEFAULT_AUTHORITY), default_authority.get()); |
| } |
| return grpc_channel_args_copy_and_add(args, new_args, num_new_args); |
| } |