1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
content / browser / renderer_host / code_cache_host_impl.h [blame]
// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_RENDERER_HOST_CODE_CACHE_HOST_IMPL_H_
#define CONTENT_BROWSER_RENDERER_HOST_CODE_CACHE_HOST_IMPL_H_
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "build/build_config.h"
#include "components/services/storage/public/mojom/cache_storage_control.mojom.h"
#include "content/common/content_export.h"
#include "mojo/public/cpp/base/big_buffer.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver_set.h"
#include "mojo/public/cpp/bindings/unique_receiver_set.h"
#include "third_party/blink/public/mojom/cache_storage/cache_storage.mojom.h"
#include "third_party/blink/public/mojom/loader/code_cache.mojom.h"
class GURL;
namespace content {
class GeneratedCodeCache;
class GeneratedCodeCacheContext;
// The implementation of a CodeCacheHost, which stores and retrieves resource
// metadata, either bytecode or native code, generated by a renderer process.
//
// This implements two independent caches:
//
// GeneratedCodeCache:
// Entries are keyed by URL, cache type, and network isolation key.
// See: - `DidGenerateCacheableMetadata`
// - `FetchCachedCode`
// - `ClearCodeCacheEntry`
//
// CacheStorage:
// Entries are keyed by URL, cache name, and storage key.
// This class only supports writing such data. Data is stored as
// "side data" in the cache storage cache.
// See: - `DidGenerateCacheableMetadataInCacheStorage`
// - `CacheStorageCache::WriteSideData`
//
// This class is sequence-friendly and is not necessarily bound to a physical
// thread.
class CONTENT_EXPORT CodeCacheHostImpl : public blink::mojom::CodeCacheHost {
public:
// Holds a receiver set which will automatically add and clear receivers on
// the code cache thread.
class ReceiverSet {
public:
explicit ReceiverSet(
scoped_refptr<GeneratedCodeCacheContext> generated_code_cache_context);
~ReceiverSet();
using CodeCacheHostReceiverHandler = base::OnceCallback<void(
CodeCacheHostImpl*,
mojo::ReceiverId,
mojo::UniqueReceiverSet<blink::mojom::CodeCacheHost>&)>;
void Add(int render_process_id,
const net::NetworkIsolationKey& nik,
const blink::StorageKey& storage_key,
mojo::PendingReceiver<blink::mojom::CodeCacheHost> receiver,
CodeCacheHostReceiverHandler handler);
void Add(int render_process_id,
const net::NetworkIsolationKey& nik,
const blink::StorageKey& storage_key,
mojo::PendingReceiver<blink::mojom::CodeCacheHost> receiver);
void Clear();
private:
scoped_refptr<GeneratedCodeCacheContext> generated_code_cache_context_;
std::unique_ptr<mojo::UniqueReceiverSet<blink::mojom::CodeCacheHost>,
base::OnTaskRunnerDeleter>
receiver_set_;
};
// |render_process_host| is used to get the storge partition that should be
// used by the fetch requests. This could be null in tests that use
// SetCacheStorageControlForTesting.
CodeCacheHostImpl(
int render_process_id,
scoped_refptr<GeneratedCodeCacheContext> generated_code_cache_context,
const net::NetworkIsolationKey& nik,
const blink::StorageKey& storage_key);
CodeCacheHostImpl(const CodeCacheHostImpl&) = delete;
CodeCacheHostImpl& operator=(const CodeCacheHostImpl&) = delete;
~CodeCacheHostImpl() override;
void SetCacheStorageControlForTesting(
storage::mojom::CacheStorageControl* cache_storage_control);
static void SetUseEmptySecondaryKeyForTesting() {
use_empty_secondary_key_for_testing_ = true;
}
enum class Operation {
kRead,
kWrite,
};
private:
// blink::mojom::CodeCacheHost implementation.
void DidGenerateCacheableMetadata(blink::mojom::CodeCacheType cache_type,
const GURL& url,
base::Time expected_response_time,
mojo_base::BigBuffer data) override;
void FetchCachedCode(blink::mojom::CodeCacheType cache_type,
const GURL& url,
FetchCachedCodeCallback) override;
void ClearCodeCacheEntry(blink::mojom::CodeCacheType cache_type,
const GURL& url) override;
void DidGenerateCacheableMetadataInCacheStorage(
const GURL& url,
base::Time expected_response_time,
mojo_base::BigBuffer data,
const std::string& cache_storage_cache_name) override;
// Helpers.
GeneratedCodeCache* GetCodeCache(blink::mojom::CodeCacheType cache_type);
void OnReceiveCachedCode(blink::mojom::CodeCacheType cache_type,
base::TimeTicks start_time,
FetchCachedCodeCallback callback,
const base::Time& response_time,
mojo_base::BigBuffer data);
std::optional<GURL> GetSecondaryKeyForCodeCache(
const GURL& resource_url,
int render_process_id,
CodeCacheHostImpl::Operation operation);
// Our render process host ID, used to bind to the correct render process.
const int render_process_id_;
// Used to override the CacheStorageControl from the RHPI as needed.
raw_ptr<storage::mojom::CacheStorageControl>
cache_storage_control_for_testing_ = nullptr;
static bool use_empty_secondary_key_for_testing_;
scoped_refptr<GeneratedCodeCacheContext> generated_code_cache_context_;
// The key used to partition code cached in the `GeneratedCodeCache`.
const net::NetworkIsolationKey network_isolation_key_;
// The key used to partition code cached in the cache API.
const blink::StorageKey storage_key_;
SEQUENCE_CHECKER(sequence_checker_);
base::WeakPtrFactory<CodeCacheHostImpl> weak_ptr_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_CODE_CACHE_HOST_IMPL_H_