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/*
*
* 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);
}
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