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
|
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_H_
#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_H_
#include <map>
#include <set>
#include "base/basictypes.h"
#include "base/files/file_path.h"
#include "base/memory/ref_counted.h"
#include "base/strings/string16.h"
#include "content/browser/indexed_db/indexed_db_callbacks.h"
#include "content/browser/indexed_db/indexed_db_database.h"
#include "content/browser/indexed_db/indexed_db_database_callbacks.h"
#include "content/common/content_export.h"
#include "url/gurl.h"
namespace net {
class URLRequestContext;
}
namespace content {
class IndexedDBBackingStore;
class IndexedDBContextImpl;
struct IndexedDBPendingConnection;
class CONTENT_EXPORT IndexedDBFactory
: NON_EXPORTED_BASE(public base::RefCountedThreadSafe<IndexedDBFactory>) {
public:
typedef std::multimap<GURL, IndexedDBDatabase*> OriginDBMap;
typedef OriginDBMap::const_iterator OriginDBMapIterator;
explicit IndexedDBFactory(IndexedDBContextImpl* context);
void ReleaseDatabase(const IndexedDBDatabase::Identifier& identifier,
bool forcedClose);
void GetDatabaseNames(scoped_refptr<IndexedDBCallbacks> callbacks,
const GURL& origin_url,
const base::FilePath& data_directory,
net::URLRequestContext* request_context);
void Open(const base::string16& name,
const IndexedDBPendingConnection& connection,
net::URLRequestContext* request_context,
const GURL& origin_url,
const base::FilePath& data_directory);
void DeleteDatabase(const base::string16& name,
net::URLRequestContext* request_context,
scoped_refptr<IndexedDBCallbacks> callbacks,
const GURL& origin_url,
const base::FilePath& data_directory);
void HandleBackingStoreFailure(const GURL& origin_url);
void HandleBackingStoreCorruption(const GURL& origin_url,
const IndexedDBDatabaseError& error);
std::pair<OriginDBMapIterator, OriginDBMapIterator> GetOpenDatabasesForOrigin(
const GURL& origin_url) const;
void ForceClose(const GURL& origin_url);
// Called by the IndexedDBContext destructor so the factory can do cleanup.
void ContextDestroyed();
// Called by the IndexedDBActiveBlobRegistry.
virtual void ReportOutstandingBlobs(const GURL& origin_url,
bool blobs_outstanding);
// Called by an IndexedDBDatabase when it is actually deleted.
void DatabaseDeleted(const IndexedDBDatabase::Identifier& identifier);
size_t GetConnectionCount(const GURL& origin_url) const;
protected:
friend class base::RefCountedThreadSafe<IndexedDBFactory>;
virtual ~IndexedDBFactory();
virtual scoped_refptr<IndexedDBBackingStore> OpenBackingStore(
const GURL& origin_url,
const base::FilePath& data_directory,
net::URLRequestContext* request_context,
blink::WebIDBDataLoss* data_loss,
std::string* data_loss_reason,
bool* disk_full);
virtual scoped_refptr<IndexedDBBackingStore> OpenBackingStoreHelper(
const GURL& origin_url,
const base::FilePath& data_directory,
net::URLRequestContext* request_context,
blink::WebIDBDataLoss* data_loss,
std::string* data_loss_message,
bool* disk_full,
bool first_time);
void ReleaseBackingStore(const GURL& origin_url, bool immediate);
void CloseBackingStore(const GURL& origin_url);
IndexedDBContextImpl* context() const { return context_; }
private:
FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest,
BackingStoreReleasedOnForcedClose);
FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest,
BackingStoreReleaseDelayedOnClose);
FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest, DatabaseFailedOpen);
FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest,
DeleteDatabaseClosesBackingStore);
FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest,
ForceCloseReleasesBackingStore);
FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest,
GetDatabaseNamesClosesBackingStore);
FRIEND_TEST_ALL_PREFIXES(IndexedDBTest,
ForceCloseOpenDatabasesOnCommitFailure);
// Called internally after a database is closed, with some delay. If this
// factory has the last reference, it will be released.
void MaybeCloseBackingStore(const GURL& origin_url);
bool HasLastBackingStoreReference(const GURL& origin_url) const;
// Testing helpers, so unit tests don't need to grovel through internal state.
bool IsDatabaseOpen(const GURL& origin_url,
const base::string16& name) const;
bool IsBackingStoreOpen(const GURL& origin_url) const;
bool IsBackingStorePendingClose(const GURL& origin_url) const;
void RemoveDatabaseFromMaps(const IndexedDBDatabase::Identifier& identifier);
IndexedDBContextImpl* context_;
typedef std::map<IndexedDBDatabase::Identifier,
IndexedDBDatabase*> IndexedDBDatabaseMap;
IndexedDBDatabaseMap database_map_;
OriginDBMap origin_dbs_;
typedef std::map<GURL, scoped_refptr<IndexedDBBackingStore> >
IndexedDBBackingStoreMap;
IndexedDBBackingStoreMap backing_store_map_;
std::set<scoped_refptr<IndexedDBBackingStore> > session_only_backing_stores_;
IndexedDBBackingStoreMap backing_stores_with_active_blobs_;
std::set<GURL> backends_opened_since_boot_;
};
} // namespace content
#endif // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_H_
|
