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//
//
// Copyright 2017 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_SRC_CORE_LIB_HANDSHAKER_PROXY_MAPPER_H
#define GRPC_SRC_CORE_LIB_HANDSHAKER_PROXY_MAPPER_H
#include <grpc/support/port_platform.h>
#include <util/generic/string.h>
#include <util/string/cast.h>
#include "y_absl/strings/string_view.h"
#include "y_absl/types/optional.h"
#include "src/core/lib/channel/channel_args.h"
#include "src/core/lib/iomgr/resolved_address.h"
namespace grpc_core {
class ProxyMapperInterface {
public:
virtual ~ProxyMapperInterface() = default;
/// Determines the proxy name to resolve for \a server_uri.
/// If no proxy is needed, returns nullopt.
/// Otherwise, updates \a args and returns the name to resolve.
virtual y_absl::optional<TString> MapName(y_absl::string_view server_uri,
ChannelArgs* args) = 0;
/// Determines the proxy address to use to contact \a address.
/// If no proxy is needed, returns nullopt.
/// Otherwise, updates \a args, and returns a new address.
virtual y_absl::optional<grpc_resolved_address> MapAddress(
const grpc_resolved_address& address, ChannelArgs* args) = 0;
};
} // namespace grpc_core
#endif // GRPC_SRC_CORE_LIB_HANDSHAKER_PROXY_MAPPER_H
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