//
//
// Copyright 2020 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.
//
//

#ifndef GRPC_CORE_LIB_SECURITY_CREDENTIALS_XDS_XDS_CREDENTIALS_H
#define GRPC_CORE_LIB_SECURITY_CREDENTIALS_XDS_XDS_CREDENTIALS_H

#include <grpc/support/port_platform.h>

#include <grpc/grpc_security.h>

#include "src/core/lib/security/credentials/credentials.h"

namespace grpc_core {

class XdsCredentials final : public grpc_channel_credentials {
 public:
  static constexpr const char kCredentialsTypeXds[] = "Xds";

  explicit XdsCredentials(
      grpc_core::RefCountedPtr<grpc_channel_credentials> fallback_credentials)
      : grpc_channel_credentials(kCredentialsTypeXds),
        fallback_credentials_(std::move(fallback_credentials)) {}

  grpc_core::RefCountedPtr<grpc_channel_security_connector>
  create_security_connector(
      grpc_core::RefCountedPtr<grpc_call_credentials> call_creds,
      const char* target_name, const grpc_channel_args* args,
      grpc_channel_args** new_args) override;

 private:
  grpc_core::RefCountedPtr<grpc_channel_credentials> fallback_credentials_;
};

}  // namespace grpc_core

#endif /* GRPC_CORE_LIB_SECURITY_CREDENTIALS_XDS_XDS_CREDENTIALS_H */
