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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_SYNC_ENGINE_GET_COMMIT_IDS_COMMAND_H_ | |
| 6 #define CHROME_BROWSER_SYNC_ENGINE_GET_COMMIT_IDS_COMMAND_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include <utility> | |
| 10 #include <vector> | |
| 11 | |
| 12 #include "base/compiler_specific.h" | |
| 13 #include "chrome/browser/sync/engine/syncer_command.h" | |
| 14 #include "chrome/browser/sync/engine/syncer_util.h" | |
| 15 #include "chrome/browser/sync/sessions/ordered_commit_set.h" | |
| 16 #include "chrome/browser/sync/sessions/sync_session.h" | |
| 17 | |
| 18 using std::pair; | |
| 19 using std::vector; | |
| 20 | |
| 21 namespace browser_sync { | |
| 22 | |
| 23 class GetCommitIdsCommand : public SyncerCommand { | |
| 24 friend class SyncerTest; | |
| 25 | |
| 26 public: | |
| 27 explicit GetCommitIdsCommand(int commit_batch_size); | |
| 28 virtual ~GetCommitIdsCommand(); | |
| 29 | |
| 30 // SyncerCommand implementation. | |
| 31 virtual SyncerError ExecuteImpl(sessions::SyncSession* session) OVERRIDE; | |
| 32 | |
| 33 // Builds a vector of IDs that should be committed. | |
| 34 void BuildCommitIds(syncable::WriteTransaction* write_transaction, | |
| 35 const ModelSafeRoutingInfo& routes, | |
| 36 const std::set<int64>& ready_unsynced_set); | |
| 37 | |
| 38 // Fill |ready_unsynced_set| with all entries from |unsynced_handles| that | |
| 39 // are ready to commit. | |
| 40 // An entry is not considered ready for commit if any are true: | |
| 41 // 1. It's in conflict. | |
| 42 // 2. It requires encryption (either the type is encrypted but a passphrase | |
| 43 // is missing from the cryptographer, or the entry itself wasn't properly | |
| 44 // encrypted). | |
| 45 // 3. It's type is currently throttled. | |
| 46 // 4. It's a delete but has not been committed. | |
| 47 void FilterUnreadyEntries( | |
| 48 syncable::BaseTransaction* trans, | |
| 49 syncable::ModelTypeSet throttled_types, | |
| 50 syncable::ModelTypeSet encrypted_types, | |
| 51 bool passphrase_missing, | |
| 52 const syncable::Directory::UnsyncedMetaHandles& unsynced_handles, | |
| 53 std::set<int64>* ready_unsynced_set); | |
| 54 | |
| 55 private: | |
| 56 // Add all the uncommitted parents (and their predecessors) of |item| to | |
| 57 // |result| if they are ready to commit. Entries are added in root->child | |
| 58 // order and predecessor->successor order. | |
| 59 // Returns values: | |
| 60 // False: if a dependent item was in conflict, and hence no child cannot be | |
| 61 // committed. | |
| 62 // True: if all parents and their predecessors were checked for commit | |
| 63 // readiness and were added to |result| as necessary. | |
| 64 bool AddUncommittedParentsAndTheirPredecessors( | |
| 65 syncable::BaseTransaction* trans, | |
| 66 const ModelSafeRoutingInfo& routes, | |
| 67 const std::set<int64>& ready_unsynced_set, | |
| 68 const syncable::Entry& item, | |
| 69 sessions::OrderedCommitSet* result) const; | |
| 70 | |
| 71 // OrderedCommitSet helpers for adding predecessors in order. | |
| 72 | |
| 73 // Adds |item| to |result| if it's ready for committing and was not already | |
| 74 // present. | |
| 75 // Prereq: |item| is unsynced. | |
| 76 // Returns values: | |
| 77 // False: if |item| was in conflict. | |
| 78 // True: if |item| was checked for commit readiness and added to |result| | |
| 79 // as necessary. | |
| 80 bool AddItem(const std::set<int64>& ready_unsynced_set, | |
| 81 const syncable::Entry& item, | |
| 82 sessions::OrderedCommitSet* result) const; | |
| 83 | |
| 84 // Adds item and all it's unsynced predecessors to |result| as necessary, as | |
| 85 // long as no item was in conflict. | |
| 86 // Return values: | |
| 87 // False: if there was an entry in conflict. | |
| 88 // True: if all entries were checked for commit readiness and added to | |
| 89 // |result| as necessary. | |
| 90 bool AddItemThenPredecessors(syncable::BaseTransaction* trans, | |
| 91 const std::set<int64>& ready_unsynced_set, | |
| 92 const syncable::Entry& item, | |
| 93 sessions::OrderedCommitSet* result) const; | |
| 94 | |
| 95 // Appends all commit ready predecessors of |item|, followed by |item| itself, | |
| 96 // to |ordered_commit_set_|, iff item and all its predecessors not in | |
| 97 // conflict. | |
| 98 // Return values: | |
| 99 // False: if there was an entry in conflict. | |
| 100 // True: if all entries were checked for commit readiness and added to | |
| 101 // |result| as necessary. | |
| 102 bool AddPredecessorsThenItem(syncable::BaseTransaction* trans, | |
| 103 const ModelSafeRoutingInfo& routes, | |
| 104 const std::set<int64>& ready_unsynced_set, | |
| 105 const syncable::Entry& item, | |
| 106 sessions::OrderedCommitSet* result) const; | |
| 107 | |
| 108 bool IsCommitBatchFull() const; | |
| 109 | |
| 110 void AddCreatesAndMoves(syncable::WriteTransaction* write_transaction, | |
| 111 const ModelSafeRoutingInfo& routes, | |
| 112 const std::set<int64>& ready_unsynced_set); | |
| 113 | |
| 114 void AddDeletes(syncable::WriteTransaction* write_transaction, | |
| 115 const std::set<int64>& ready_unsynced_set); | |
| 116 | |
| 117 scoped_ptr<sessions::OrderedCommitSet> ordered_commit_set_; | |
| 118 | |
| 119 int requested_commit_batch_size_; | |
| 120 | |
| 121 DISALLOW_COPY_AND_ASSIGN(GetCommitIdsCommand); | |
| 122 }; | |
| 123 | |
| 124 } // namespace browser_sync | |
| 125 | |
| 126 #endif // CHROME_BROWSER_SYNC_ENGINE_GET_COMMIT_IDS_COMMAND_H_ | |
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Chromium Code Reviews
Issue 9699057:
[Sync] Move 'sync' target to sync/ (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src