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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/sync/syncable/syncable.h" | 5 #include "chrome/browser/sync/syncable/syncable.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <cstring> | 8 #include <cstring> |
9 #include <functional> | 9 #include <functional> |
10 #include <iomanip> | 10 #include <iomanip> |
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38 #include "chrome/browser/sync/syncable/syncable-inl.h" | 38 #include "chrome/browser/sync/syncable/syncable-inl.h" |
39 #include "chrome/browser/sync/syncable/syncable_changes_version.h" | 39 #include "chrome/browser/sync/syncable/syncable_changes_version.h" |
40 #include "chrome/browser/sync/syncable/syncable_columns.h" | 40 #include "chrome/browser/sync/syncable/syncable_columns.h" |
41 #include "chrome/browser/sync/syncable/syncable_enum_conversions.h" | 41 #include "chrome/browser/sync/syncable/syncable_enum_conversions.h" |
42 #include "chrome/browser/sync/syncable/transaction_observer.h" | 42 #include "chrome/browser/sync/syncable/transaction_observer.h" |
43 #include "chrome/browser/sync/util/logging.h" | 43 #include "chrome/browser/sync/util/logging.h" |
44 #include "chrome/common/chrome_constants.h" | 44 #include "chrome/common/chrome_constants.h" |
45 #include "net/base/escape.h" | 45 #include "net/base/escape.h" |
46 | 46 |
47 namespace { | 47 namespace { |
| 48 |
48 enum InvariantCheckLevel { | 49 enum InvariantCheckLevel { |
49 OFF = 0, | 50 OFF = 0, |
50 VERIFY_IN_MEMORY = 1, | 51 VERIFY_IN_MEMORY = 1, |
51 FULL_DB_VERIFICATION = 2 | 52 FULL_DB_VERIFICATION = 2 |
52 }; | 53 }; |
53 | 54 |
54 static const InvariantCheckLevel kInvariantCheckLevel = VERIFY_IN_MEMORY; | 55 const InvariantCheckLevel kInvariantCheckLevel = VERIFY_IN_MEMORY; |
55 | 56 |
56 // Max number of milliseconds to spend checking syncable entry invariants | 57 // Max number of milliseconds to spend checking syncable entry invariants |
57 static const int kInvariantCheckMaxMs = 50; | 58 const int kInvariantCheckMaxMs = 50; |
58 | 59 |
59 // This function checks to see if the given list of Metahandles has any nodes | 60 // This function checks to see if the given list of Metahandles has any nodes |
60 // whose PREV_ID, PARENT_ID or NEXT_ID values refer to ID values that do not | 61 // whose PREV_ID, PARENT_ID or NEXT_ID values refer to ID values that do not |
61 // actually exist. Returns true on success. | 62 // actually exist. Returns true on success. |
62 // | 63 // |
63 // This function is "Unsafe" because it does not attempt to acquire any locks | 64 // This function is "Unsafe" because it does not attempt to acquire any locks |
64 // that may be protecting this list that gets passed in. The caller is | 65 // that may be protecting this list that gets passed in. The caller is |
65 // responsible for ensuring that no one modifies this list while the function is | 66 // responsible for ensuring that no one modifies this list while the function is |
66 // running. | 67 // running. |
67 bool VerifyReferenceIntegrityUnsafe(const syncable::MetahandlesIndex &index) { | 68 bool VerifyReferenceIntegrityUnsafe(const syncable::MetahandlesIndex &index) { |
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2377 if (entry->ref(NEXT_ID).IsRoot() || | 2378 if (entry->ref(NEXT_ID).IsRoot() || |
2378 entry->ref(NEXT_ID) != entry->ref(PREV_ID)) { | 2379 entry->ref(NEXT_ID) != entry->ref(PREV_ID)) { |
2379 return entry; | 2380 return entry; |
2380 } | 2381 } |
2381 } | 2382 } |
2382 // There were no children in the linked list. | 2383 // There were no children in the linked list. |
2383 return NULL; | 2384 return NULL; |
2384 } | 2385 } |
2385 | 2386 |
2386 } // namespace syncable | 2387 } // namespace syncable |
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