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#pragma once
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#include "envoy/stream_info/filter_state.h"

            

        

            

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#include "absl/strings/string_view.h"

            

        

            

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namespace Envoy {

            

        

            

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namespace Network {

            

        

            

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/**

            

        

            

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 * Server name to set in the upstream connection. The filters like tcp_proxy should use this

            

        

            

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 * value to override the server name specified in the upstream cluster, for example to override

            

        

            

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 * the SNI value in the upstream TLS context.

            

        

            

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 */

            

        

            

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class UpstreamServerName : public StreamInfo::FilterState::Object {

            

        

            

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public:

            

        

            

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  UpstreamServerName(absl::string_view server_name) : server_name_(server_name) {}

            

        

            

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  const std::string& value() const { return server_name_; }

            

        

            

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  absl::optional<std::string> serializeAsString() const override { return server_name_; }

            

        

            

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  static const std::string& key();

            

        

            

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private:

            

        

            

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  const std::string server_name_;

            

        

            

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};

            

        

            

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} // namespace Network

            

        

            

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} // namespace Envoy