jni/minibind/command.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MINIBIND_COMMAND_H_
   6 #define MINIBIND_COMAMND_H_
   7
   8 #include <stdint.h>
   9 #include <sys/types.h>
  10
  11 #include <linux/binder.h>
  12
  13 #include "common.h"
  14
  15 namespace minibind {
  16
  17 class Parcel;
  18
  19 class Command {
  20  public:
  21   virtual size_t GetSize() const = 0;
  22   virtual binder_uintptr_t GetData() const = 0;
  23
  24  protected:
  25   ~Command() {}
  26 };
  27
  28 class TransactionCommand : public Command {
  29  public:
  30   enum Type {
  31     TWO_WAY,
  32     REPLY_ASYNC,
  33   };
  34
  35   TransactionCommand(Type type);
  36   ~TransactionCommand();
  37
  38   void SetHandle(uint32_t handle);
  39   void SetCode(uint32_t code);
  40   void SetParcel(const Parcel& parcel);
  41
  42   // Command:
  43   size_t GetSize() const override;
  44   binder_uintptr_t GetData() const override;
  45
  46  private:
  47   const binder_driver_command_protocol command_;
  48   struct binder_transaction_data transaction_;
  49
  50   DISALLOW_COPY_AND_ASSIGN(TransactionCommand);
  51 };
  52
  53 }  // namespace minibind
  54
  55 #endif  // MINIBIND_COMAMND_H_