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| 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 "storage/browser/blob/internal_blob_data.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 | |
| 9 #include <memory> | |
| 10 #include <utility> | |
| 11 | |
| 12 #include "base/containers/hash_tables.h" | |
| 13 #include "base/metrics/histogram.h" | |
| 14 #include "storage/browser/blob/blob_data_item.h" | |
| 15 #include "storage/common/data_element.h" | |
| 16 | |
| 17 namespace storage { | |
| 18 | |
| 19 InternalBlobData::Builder::Builder() : data_(new InternalBlobData()) { | |
| 20 } | |
| 21 InternalBlobData::Builder::~Builder() { | |
| 22 } | |
| 23 | |
| 24 void InternalBlobData::Builder::AppendSharedBlobItem( | |
| 25 scoped_refptr<ShareableBlobDataItem> item) { | |
| 26 DCHECK(item); | |
| 27 DCHECK(data_); | |
| 28 data_->items_.push_back(item); | |
| 29 } | |
| 30 | |
| 31 void InternalBlobData::Builder::RemoveBlobFromShareableItems( | |
| 32 const std::string& blob_uuid) { | |
| 33 DCHECK(data_); | |
| 34 data_->RemoveBlobFromShareableItems(blob_uuid); | |
| 35 } | |
| 36 | |
| 37 size_t InternalBlobData::Builder::GetNonsharedMemoryUsage() const { | |
| 38 DCHECK(data_); | |
| 39 return data_->GetUnsharedMemoryUsage(); | |
| 40 } | |
| 41 | |
| 42 std::unique_ptr<InternalBlobData> InternalBlobData::Builder::Build() { | |
| 43 DCHECK(data_); | |
| 44 return std::move(data_); | |
| 45 } | |
| 46 | |
| 47 InternalBlobData::InternalBlobData() { | |
| 48 } | |
| 49 | |
| 50 InternalBlobData::~InternalBlobData() { | |
| 51 } | |
| 52 | |
| 53 const std::vector<scoped_refptr<ShareableBlobDataItem>>& | |
| 54 InternalBlobData::items() const { | |
| 55 return items_; | |
| 56 } | |
| 57 | |
| 58 void InternalBlobData::RemoveBlobFromShareableItems( | |
| 59 const std::string& blob_uuid) { | |
| 60 for (auto& data_item : items_) { | |
| 61 data_item->referencing_blobs_mutable()->erase(blob_uuid); | |
| 62 } | |
| 63 } | |
| 64 | |
| 65 size_t InternalBlobData::GetUnsharedMemoryUsage() const { | |
| 66 size_t memory = 0; | |
| 67 base::hash_set<void*> seen_items; | |
| 68 for (const auto& data_item : items_) { | |
| 69 if (data_item->item()->type() != DataElement::TYPE_BYTES || | |
| 70 data_item->referencing_blobs().size() > 1 || | |
| 71 seen_items.find(data_item.get()) != seen_items.end()) { | |
| 72 continue; | |
| 73 } | |
| 74 memory += data_item->item()->length(); | |
| 75 seen_items.insert(data_item.get()); | |
| 76 } | |
| 77 return memory; | |
| 78 } | |
| 79 | |
| 80 void InternalBlobData::GetMemoryUsage(size_t* total_memory, | |
| 81 size_t* unshared_memory) { | |
| 82 *total_memory = 0; | |
| 83 *unshared_memory = 0; | |
| 84 base::hash_set<void*> seen_items; | |
| 85 for (const auto& data_item : items_) { | |
| 86 if (data_item->item()->type() == DataElement::TYPE_BYTES) { | |
| 87 *total_memory += data_item->item()->length(); | |
| 88 if (data_item->referencing_blobs().size() == 1 && | |
| 89 seen_items.find(data_item.get()) == seen_items.end()) { | |
| 90 *unshared_memory += data_item->item()->length(); | |
| 91 seen_items.insert(data_item.get()); | |
| 92 } | |
| 93 } | |
| 94 } | |
| 95 } | |
| 96 | |
| 97 } // namespace storage | |
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Chromium Code Reviews
Issue 2448353002:
[BlobAsync] Moving async handling into BlobStorageContext & quota out. (Closed)
