ipc/brokerable_attachment.cc

   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 #include "ipc/brokerable_attachment.h"
   6
   7 #include "ipc/attachment_broker.h"
   8
   9 namespace IPC {
  10
  11 #if !USE_ATTACHMENT_BROKER
  12 BrokerableAttachment::AttachmentId::AttachmentId() {
  13   CHECK(false) << "Not allowed to construct an attachment id if the platform "
  14                   "does not support attachment brokering.";
  15 }
  16 #endif
  17
  18 BrokerableAttachment::AttachmentId::AttachmentId(const char* start_address,
  19                                                  size_t size) {
  20   DCHECK(size == BrokerableAttachment::kNonceSize);
  21   for (size_t i = 0; i < BrokerableAttachment::kNonceSize; ++i)
  22     nonce[i] = start_address[i];
  23 }
  24
  25 void BrokerableAttachment::AttachmentId::SerializeToBuffer(char* start_address,
  26                                                            size_t size) {
  27   DCHECK(size == BrokerableAttachment::kNonceSize);
  28   for (size_t i = 0; i < BrokerableAttachment::kNonceSize; ++i)
  29     start_address[i] = nonce[i];
  30 }
  31
  32 BrokerableAttachment::BrokerableAttachment() {}
  33
  34 BrokerableAttachment::BrokerableAttachment(const AttachmentId& id) : id_(id) {}
  35
  36 BrokerableAttachment::~BrokerableAttachment() {}
  37
  38 BrokerableAttachment::AttachmentId BrokerableAttachment::GetIdentifier() const {
  39   return id_;
  40 }
  41
  42 bool BrokerableAttachment::NeedsBrokering() const {
  43   return GetBrokerableType() == PLACEHOLDER;
  44 }
  45
  46 BrokerableAttachment::Type BrokerableAttachment::GetType() const {
  47   return TYPE_BROKERABLE_ATTACHMENT;
  48 }
  49
  50 #if defined(OS_POSIX)
  51 base::PlatformFile BrokerableAttachment::TakePlatformFile() {
  52   NOTREACHED();
  53   return base::PlatformFile();
  54 }
  55 #endif  // OS_POSIX
  56
  57 }  // namespace IPC