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

   1 // Copyright 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 #include "nacl_io/socket/packet.h"
   6
   7 #include <assert.h>
   8 #include <string.h>
   9
  10 #include "nacl_io/pepper_interface.h"
  11
  12 namespace nacl_io {
  13
  14 Packet::Packet(PepperInterface* ppapi)
  15     : ppapi_(ppapi), addr_(0), buffer_(NULL), len_(0) {
  16 }
  17
  18 Packet::~Packet() {
  19   if ((NULL != ppapi_) && addr_)
  20     ppapi_->ReleaseResource(addr_);
  21   free(buffer_);
  22 }
  23
  24 void Packet::Copy(const void* buffer, size_t len, PP_Resource addr) {
  25   addr_ = addr;
  26   len_ = len;
  27   buffer_ = (char*)malloc(len);
  28   assert(buffer_);
  29
  30   memcpy(buffer_, buffer, len);
  31   if (addr && (NULL != ppapi_))
  32     ppapi_->AddRefResource(addr);
  33 }
  34
  35 }  // namespace nacl_io