fake_attachment_store.cc revision e5d81f57cb97b3b6b7fccc9c5610d21eb81db09d
15d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// Copyright 2014 The Chromium Authors. All rights reserved. 25d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// found in the LICENSE file. 45d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 55d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "sync/api/attachments/fake_attachment_store.h" 65d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 75d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/bind.h" 85d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/location.h" 95d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/memory/ref_counted_memory.h" 105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/message_loop/message_loop_proxy.h" 115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/sequenced_task_runner.h" 125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/single_thread_task_runner.h" 135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "sync/api/attachments/attachment.h" 145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)namespace syncer { 165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// Backend is where all the work happens. 185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)class FakeAttachmentStore::Backend 195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) : public base::RefCountedThreadSafe<FakeAttachmentStore::Backend> { 205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) public: 215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Construct a Backend that posts its results to |frontend_task_runner|. 225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) Backend( 235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const scoped_refptr<base::SingleThreadTaskRunner>& frontend_task_runner); 245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2523730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) void Read(const AttachmentId& id, const ReadCallback& callback); 26a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) void Write(const scoped_refptr<base::RefCountedMemory>& bytes, 275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const WriteCallback& callback); 2823730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) void Drop(const AttachmentId& id, const DropCallback& callback); 295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) private: 315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) friend class base::RefCountedThreadSafe<Backend>; 325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ~Backend(); 345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scoped_refptr<base::SingleThreadTaskRunner> frontend_task_runner_; 365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) AttachmentMap attachments_; 375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)}; 385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)FakeAttachmentStore::Backend::Backend( 405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const scoped_refptr<base::SingleThreadTaskRunner>& frontend_task_runner) 41e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch : frontend_task_runner_(frontend_task_runner) {} 425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)FakeAttachmentStore::Backend::~Backend() {} 445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 4523730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)void FakeAttachmentStore::Backend::Read(const AttachmentId& id, 465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const ReadCallback& callback) { 4723730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) AttachmentMap::iterator iter = attachments_.find(id); 485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scoped_ptr<Attachment> attachment; 495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) Result result = NOT_FOUND; 505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (iter != attachments_.end()) { 51e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch attachment.reset(new Attachment(iter->second)); 525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) result = SUCCESS; 535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) frontend_task_runner_->PostTask( 555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) FROM_HERE, base::Bind(callback, result, base::Passed(&attachment))); 565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void FakeAttachmentStore::Backend::Write( 595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const scoped_refptr<base::RefCountedMemory>& bytes, 605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const WriteCallback& callback) { 61e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch Attachment attachment = Attachment::Create(bytes); 62e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch AttachmentId attachment_id(attachment.GetId()); 63e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch attachments_.insert(AttachmentMap::value_type(attachment_id, attachment)); 64a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) frontend_task_runner_->PostTask(FROM_HERE, 65a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::Bind(callback, SUCCESS, attachment_id)); 665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 6823730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)void FakeAttachmentStore::Backend::Drop(const AttachmentId& id, 695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const DropCallback& callback) { 705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) Result result = NOT_FOUND; 7123730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) AttachmentMap::iterator iter = attachments_.find(id); 725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (iter != attachments_.end()) { 735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) attachments_.erase(iter); 745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) result = SUCCESS; 755d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 76e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch frontend_task_runner_->PostTask(FROM_HERE, base::Bind(callback, result)); 775d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 795d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)FakeAttachmentStore::FakeAttachmentStore( 805d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const scoped_refptr<base::SequencedTaskRunner>& backend_task_runner) 815d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) : backend_(new Backend(base::MessageLoopProxy::current())), 825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) backend_task_runner_(backend_task_runner) {} 835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)FakeAttachmentStore::~FakeAttachmentStore() {} 855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 8623730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)void FakeAttachmentStore::Read(const AttachmentId& id, 875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const ReadCallback& callback) { 885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) backend_task_runner_->PostTask( 895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) FROM_HERE, 905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::Bind(&FakeAttachmentStore::Backend::Read, backend_, id, callback)); 915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 925d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void FakeAttachmentStore::Write( 945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const scoped_refptr<base::RefCountedMemory>& bytes, 955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const WriteCallback& callback) { 965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) backend_task_runner_->PostTask( 975d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) FROM_HERE, 985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::Bind( 99a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) &FakeAttachmentStore::Backend::Write, backend_, bytes, callback)); 1005d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1015d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 10223730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)void FakeAttachmentStore::Drop(const AttachmentId& id, 1035d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const DropCallback& callback) { 1045d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) backend_task_runner_->PostTask( 1055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) FROM_HERE, 1065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::Bind(&FakeAttachmentStore::Backend::Drop, backend_, id, callback)); 1075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} // namespace syncer 110