// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MINIBIND_COMMAND_H_
#define MINIBIND_COMAMND_H_

#include <stdint.h>
#include <sys/types.h>

#include <linux/binder.h>

#include "common.h"

namespace minibind {

class Parcel;

class Command {
 public:
  virtual size_t GetSize() const = 0;
  virtual binder_uintptr_t GetData() const = 0;

 protected:
  ~Command() {}
};

class TransactionCommand : public Command {
 public:
  enum Type {
    TWO_WAY,
    REPLY_ASYNC,
  };

  TransactionCommand(Type type);
  ~TransactionCommand();

  void SetHandle(uint32_t handle);
  void SetCode(uint32_t code);
  void SetParcel(const Parcel& parcel);

  // Command:
  size_t GetSize() const override;
  binder_uintptr_t GetData() const override;

 private:
  const binder_driver_command_protocol command_;
  struct binder_transaction_data transaction_;

  DISALLOW_COPY_AND_ASSIGN(TransactionCommand);
};

}  // namespace minibind

#endif  // MINIBIND_COMAMND_H_