chromium/native_client_sdk/src/libraries/nacl_io/socket/packet.h

// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef LIBRARIES_NACL_IO_SOCKET_PACKET_H_
#define LIBRARIES_NACL_IO_SOCKET_PACKET_H_

#include "nacl_io/fifo_interface.h"
#include "ppapi/c/pp_resource.h"

#include "sdk_util/macros.h"

namespace nacl_io {

class PepperInterface;

// NOTE: The Packet class always owns the buffer and address.
class Packet {
 public:
  explicit Packet(PepperInterface* ppapi);

  Packet(const Packet&) = delete;
  Packet& operator=(const Packet&) = delete;

  ~Packet();

  // Copy the buffer, and address reference
  void Copy(const void* buffer, size_t len, PP_Resource addr);

  char* buffer() { return buffer_; }
  PP_Resource addr() { return addr_; }
  size_t len() { return len_; }

 private:
  PepperInterface* ppapi_;
  PP_Resource addr_;
  char* buffer_;
  size_t len_;
};

}  // namespace nacl_io

#endif  // LIBRARIES_NACL_IO_SOCKET_PACKET_H_