1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4  * License, v. 2.0. If a copy of the MPL was not distributed with this
5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 
7 #ifndef mozilla_dom_cache_DBSchema_h
8 #define mozilla_dom_cache_DBSchema_h
9 
10 #include "mozilla/Attributes.h"
11 #include "mozilla/dom/cache/Types.h"
12 #include "nsError.h"
13 #include "nsString.h"
14 #include "nsTArrayForwardDeclare.h"
15 
16 class mozIStorageConnection;
17 struct nsID;
18 
19 namespace mozilla {
20 namespace dom {
21 namespace cache {
22 
23 class CacheQueryParams;
24 class CacheRequest;
25 class CacheResponse;
26 struct SavedRequest;
27 struct SavedResponse;
28 
29 namespace db {
30 
31 // Note, this cannot be executed within a transaction.
32 nsresult CreateOrMigrateSchema(mozIStorageConnection& aConn);
33 
34 // Note, this cannot be executed within a transaction.
35 nsresult InitializeConnection(mozIStorageConnection& aConn);
36 
37 Result<CacheId, nsresult> CreateCacheId(mozIStorageConnection& aConn);
38 
39 Result<DeletionInfo, nsresult> DeleteCacheId(mozIStorageConnection& aConn,
40                                              CacheId aCacheId);
41 
42 Result<AutoTArray<CacheId, 8>, nsresult> FindOrphanedCacheIds(
43     mozIStorageConnection& aConn);
44 
45 Result<int64_t, nsresult> FindOverallPaddingSize(mozIStorageConnection& aConn);
46 
47 Result<nsTArray<nsID>, nsresult> GetKnownBodyIds(mozIStorageConnection& aConn);
48 
49 Result<Maybe<SavedResponse>, nsresult> CacheMatch(
50     mozIStorageConnection& aConn, CacheId aCacheId,
51     const CacheRequest& aRequest, const CacheQueryParams& aParams);
52 
53 Result<nsTArray<SavedResponse>, nsresult> CacheMatchAll(
54     mozIStorageConnection& aConn, CacheId aCacheId,
55     const Maybe<CacheRequest>& aMaybeRequest, const CacheQueryParams& aParams);
56 
57 Result<DeletionInfo, nsresult> CachePut(mozIStorageConnection& aConn,
58                                         CacheId aCacheId,
59                                         const CacheRequest& aRequest,
60                                         const nsID* aRequestBodyId,
61                                         const CacheResponse& aResponse,
62                                         const nsID* aResponseBodyId);
63 
64 Result<Maybe<DeletionInfo>, nsresult> CacheDelete(
65     mozIStorageConnection& aConn, CacheId aCacheId,
66     const CacheRequest& aRequest, const CacheQueryParams& aParams);
67 
68 Result<nsTArray<SavedRequest>, nsresult> CacheKeys(
69     mozIStorageConnection& aConn, CacheId aCacheId,
70     const Maybe<CacheRequest>& aMaybeRequest, const CacheQueryParams& aParams);
71 
72 Result<Maybe<SavedResponse>, nsresult> StorageMatch(
73     mozIStorageConnection& aConn, Namespace aNamespace,
74     const CacheRequest& aRequest, const CacheQueryParams& aParams);
75 
76 Result<Maybe<CacheId>, nsresult> StorageGetCacheId(mozIStorageConnection& aConn,
77                                                    Namespace aNamespace,
78                                                    const nsAString& aKey);
79 
80 nsresult StoragePutCache(mozIStorageConnection& aConn, Namespace aNamespace,
81                          const nsAString& aKey, CacheId aCacheId);
82 
83 nsresult StorageForgetCache(mozIStorageConnection& aConn, Namespace aNamespace,
84                             const nsAString& aKey);
85 
86 Result<nsTArray<nsString>, nsresult> StorageGetKeys(
87     mozIStorageConnection& aConn, Namespace aNamespace);
88 
89 // Note, this works best when its NOT executed within a transaction.
90 nsresult IncrementalVacuum(mozIStorageConnection& aConn);
91 
92 // We will wipe out databases with a schema versions less than this.  Newer
93 // versions will be migrated on open to the latest schema version.
94 extern const int32_t kFirstShippedSchemaVersion;
95 
96 }  // namespace db
97 }  // namespace cache
98 }  // namespace dom
99 }  // namespace mozilla
100 
101 #endif  // mozilla_dom_cache_DBSchema_h
102