1// Copyright (c) 2013 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 LIBRARIES_NACL_IO_PACKET_H_
6#define LIBRARIES_NACL_IO_PACKET_H_
7
8#include "nacl_io/fifo_interface.h"
9#include "ppapi/c/pp_resource.h"
10
11#include "sdk_util/macros.h"
12
13namespace nacl_io {
14
15class PepperInterface;
16
17// NOTE: The Packet class always owns the buffer and address, either by 'Copy'
18// or by 'Take' ownership.
19class Packet {
20 public:
21  explicit Packet(PepperInterface* ppapi);
22  ~Packet();
23
24  // Copy the buffer, and address reference
25  void Copy(const void *buffer, size_t len, PP_Resource addr);
26
27  // Take ownership the buffer, and address reference
28  void Take(const void *buffer, size_t len, PP_Resource addr);
29
30  char* buffer() { return buffer_; }
31  PP_Resource addr() { return addr_; }
32  size_t len() { return len_; }
33
34 private:
35  PepperInterface* ppapi_;
36  PP_Resource addr_;
37  char* buffer_;
38  size_t len_;
39
40  DISALLOW_COPY_AND_ASSIGN(Packet);
41};
42
43}  // namespace nacl_io
44
45#endif  // LIBRARIES_NACL_IO_PACKET_H_
46