root/native_client_sdk/src/libraries/nacl_io/socket/packet.cc

DEFINITIONS

1. len_
2. Take
3. Copy

// Copyright 2013 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.

#include "nacl_io/socket/packet.h"

#include <string.h>

#include "nacl_io/pepper_interface.h"

namespace nacl_io {

Packet::Packet(PepperInterface* ppapi)
    : ppapi_(ppapi), addr_(0), buffer_(NULL), len_(0) {}

Packet::~Packet() {
  if ((NULL != ppapi_) && addr_)
    ppapi_->ReleaseResource(addr_);
  delete[] buffer_;
}

void Packet::Take(const void* buffer, size_t len, PP_Resource addr) {
  addr_ = addr;
  len_ = len;
  buffer_ = static_cast<char*>(const_cast<void*>(buffer));
}

void Packet::Copy(const void* buffer, size_t len, PP_Resource addr) {
  addr_ = addr;
  len_ = len;
  buffer_ = new char[len];

  memcpy(buffer_, buffer, len);
  if (addr && (NULL != ppapi_))
    ppapi_->AddRefResource(addr);
}

}  // namespace nacl_io