classic_command.h

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/*
  Copyright (c) 2022, 2023, Oracle and/or its affiliates.
 
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  it under the terms of the GNU General Public License, version 2.0,
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*/
 
#ifndef ROUTING_CLASSIC_COMMAND_INCLUDED
#define ROUTING_CLASSIC_COMMAND_INCLUDED
 
#include "forwarding_processor.h"
 
#include "await_client_or_server.h"
 
class CommandProcessor : public ForwardingProcessor {
 public:
  using ForwardingProcessor::ForwardingProcessor;
 
  enum class Stage {
    IsAuthed,
    WaitBoth,
    Command,
    Done,
  };
 
  stdx::expected<Result, std::error_code> process() override;
 
  void stage(Stage stage) { stage_ = stage; }
  Stage stage() const { return stage_; }
 
 private:
  stdx::expected<Result, std::error_code> is_authed();
  stdx::expected<Result, std::error_code> wait_both();
  stdx::expected<Result, std::error_code> command();
 
  void client_idle_timeout();
 
  Stage stage_{Stage::IsAuthed};
 
  stdx::expected<AwaitClientOrServerProcessor::AwaitResult, std::error_code>
      wait_both_result_{};
};
 
#endif