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 <stddef.h> 8 9 #include "build/build_config.h" 10 #include "ipc/attachment_broker.h" 11 12 namespace IPC { 13 14 // BrokerableAttachment::AttachmentId ------------------------------------------ 15 #if !USE_ATTACHMENT_BROKER 16 // static 17 BrokerableAttachment::AttachmentId CreateIdWithRandomNonce()18BrokerableAttachment::AttachmentId::CreateIdWithRandomNonce() { 19 CHECK(false) << "Platforms that don't support attachment brokering shouldn't " 20 "be trying to generating a random nonce."; 21 return AttachmentId(); 22 } 23 #endif 24 AttachmentId()25BrokerableAttachment::AttachmentId::AttachmentId() { 26 for (size_t i = 0; i < BrokerableAttachment::kNonceSize; ++i) 27 nonce[i] = 0; 28 } 29 AttachmentId(const char * start_address,size_t size)30BrokerableAttachment::AttachmentId::AttachmentId(const char* start_address, 31 size_t size) { 32 DCHECK(size == BrokerableAttachment::kNonceSize); 33 for (size_t i = 0; i < BrokerableAttachment::kNonceSize; ++i) 34 nonce[i] = start_address[i]; 35 } 36 SerializeToBuffer(char * start_address,size_t size)37void BrokerableAttachment::AttachmentId::SerializeToBuffer(char* start_address, 38 size_t size) { 39 DCHECK(size == BrokerableAttachment::kNonceSize); 40 for (size_t i = 0; i < BrokerableAttachment::kNonceSize; ++i) 41 start_address[i] = nonce[i]; 42 } 43 44 // BrokerableAttachment::BrokerableAttachment ---------------------------------- 45 BrokerableAttachment()46BrokerableAttachment::BrokerableAttachment() 47 : id_(AttachmentId::CreateIdWithRandomNonce()) {} 48 BrokerableAttachment(const AttachmentId & id)49BrokerableAttachment::BrokerableAttachment(const AttachmentId& id) : id_(id) {} 50 ~BrokerableAttachment()51BrokerableAttachment::~BrokerableAttachment() {} 52 GetIdentifier() const53BrokerableAttachment::AttachmentId BrokerableAttachment::GetIdentifier() const { 54 return id_; 55 } 56 NeedsBrokering() const57bool BrokerableAttachment::NeedsBrokering() const { 58 return GetBrokerableType() == PLACEHOLDER; 59 } 60 GetType() const61BrokerableAttachment::Type BrokerableAttachment::GetType() const { 62 return TYPE_BROKERABLE_ATTACHMENT; 63 } 64 65 #if defined(OS_POSIX) TakePlatformFile()66base::PlatformFile BrokerableAttachment::TakePlatformFile() { 67 NOTREACHED(); 68 return base::PlatformFile(); 69 } 70 #endif // OS_POSIX 71 72 } // namespace IPC 73