src/sync/api/sync_attachment.cc

   1 // Copyright 2014 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 "sync/api/sync_attachment.h"
   6
   7 #include "base/logging.h"
   8 #include "base/memory/ref_counted_memory.h"
   9 #include "base/rand_util.h"
  10
  11 namespace syncer {
  12
  13 SyncAttachment::~SyncAttachment() {}
  14
  15 // Static.
  16 scoped_ptr<SyncAttachment> SyncAttachment::Create(
  17     const scoped_refptr<base::RefCountedMemory>& bytes) {
  18   sync_pb::SyncAttachmentId id;
  19   // Only requirement here is that this id must be globally unique.
  20   id.set_unique_id(base::RandBytesAsString(16));
  21   return CreateWithId(id, bytes);
  22 }
  23
  24 // Static.
  25 scoped_ptr<SyncAttachment> SyncAttachment::CreateWithId(
  26     const sync_pb::SyncAttachmentId& id,
  27     const scoped_refptr<base::RefCountedMemory>& bytes) {
  28   return scoped_ptr<SyncAttachment>(new SyncAttachment(id, bytes)).Pass();
  29 }
  30
  31 const sync_pb::SyncAttachmentId& SyncAttachment::GetId() const { return id_; }
  32
  33 const scoped_refptr<base::RefCountedMemory>& SyncAttachment::GetBytes() const {
  34   return bytes_;
  35 }
  36
  37 SyncAttachment::SyncAttachment(
  38     const sync_pb::SyncAttachmentId& id,
  39     const scoped_refptr<base::RefCountedMemory>& bytes)
  40     : id_(id), bytes_(bytes) {
  41   DCHECK(!id.unique_id().empty());
  42   DCHECK(bytes);
  43 }
  44
  45 }  // namespace syncer