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| 1 // Copyright 2014 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 SYNC_ENGINE_GET_UPDATES_PROCESSOR_H_ | |
| 6 #define SYNC_ENGINE_GET_UPDATES_PROCESSOR_H_ | |
| 7 | |
| 8 #include <map> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/gtest_prod_util.h" | |
| 12 #include "base/macros.h" | |
| 13 #include "sync/base/sync_export.h" | |
| 14 #include "sync/internal_api/public/base/model_type.h" | |
| 15 #include "sync/internal_api/public/engine/model_safe_worker.h" | |
| 16 #include "sync/protocol/sync.pb.h" | |
| 17 #include "sync/sessions/model_type_registry.h" | |
| 18 | |
| 19 namespace sync_pb { | |
| 20 class GetUpdatesMessage; | |
| 21 class GetUpdatesResponse; | |
| 22 } // namespace sync_pb | |
| 23 | |
| 24 namespace syncer { | |
| 25 | |
| 26 namespace sessions { | |
| 27 class StatusController; | |
| 28 class SyncSession; | |
| 29 class SyncSessionContext; | |
| 30 class DebugInfoGetter; | |
| 31 } // namespace sessions | |
| 32 | |
| 33 namespace syncable { | |
| 34 class Directory; | |
| 35 } // namespace syncable | |
| 36 | |
| 37 class GetUpdatesDelegate; | |
| 38 | |
| 39 // This class manages the set of per-type syncer objects. | |
| 40 // | |
| 41 // It owns these types and hides the details of iterating over all of them. | |
| 42 // Most methods allow the caller to specify a subset of types on which the | |
| 43 // operation is to be applied. It is a logic error if the supplied set of types | |
| 44 // contains a type which was not previously registered with the manager. | |
| 45 class SYNC_EXPORT GetUpdatesProcessor { | |
| 46 public: | |
| 47 explicit GetUpdatesProcessor(UpdateHandlerMap* update_handler_map, | |
| 48 const GetUpdatesDelegate& delegate); | |
| 49 ~GetUpdatesProcessor(); | |
| 50 | |
| 51 // Downloads and processes a batch of updates for the specified types. | |
| 52 // | |
| 53 // Returns SYNCER_OK if the download succeeds, SERVER_MORE_TO_DOWNLOAD if the | |
| 54 // download succeeded but there are still some updates left to fetch on the | |
| 55 // server, or an appropriate error value in case of failure. | |
| 56 SyncerError DownloadUpdates( | |
| 57 ModelTypeSet* request_types, | |
| 58 sessions::SyncSession* session, | |
| 59 bool create_mobile_bookmarks_folder); | |
| 60 | |
| 61 // Applies any downloaded and processed updates. | |
| 62 void ApplyUpdates( | |
| 63 ModelTypeSet gu_types, | |
| 64 sessions::StatusController* status_controller); | |
| 65 | |
| 66 private: | |
| 67 // Populates a GetUpdates request message with per-type information. | |
| 68 void PrepareGetUpdates( | |
| 69 ModelTypeSet gu_types, | |
| 70 sync_pb::ClientToServerMessage* message); | |
| 71 | |
| 72 // Sends the specified message to the server and stores the response in a | |
| 73 // member of the |session|'s StatusController. | |
| 74 SyncerError ExecuteDownloadUpdates(ModelTypeSet* request_types, | |
| 75 sessions::SyncSession* session, | |
| 76 sync_pb::ClientToServerMessage* msg); | |
| 77 | |
| 78 // Helper function for processing responses from the server. Defined here for | |
| 79 // testing. | |
| 80 SyncerError ProcessResponse(const sync_pb::GetUpdatesResponse& gu_response, | |
| 81 ModelTypeSet proto_request_types, | |
| 82 sessions::StatusController* status); | |
| 83 | |
| 84 // Processes a GetUpdates responses for each type. | |
| 85 syncer::SyncerError ProcessGetUpdatesResponse( | |
| 86 ModelTypeSet gu_types, | |
| 87 const sync_pb::GetUpdatesResponse& gu_response, | |
| 88 sessions::StatusController* status_controller); | |
| 89 | |
| 90 static void CopyClientDebugInfo( | |
| 91 sessions::DebugInfoGetter* debug_info_getter, | |
| 92 sync_pb::DebugInfo* debug_info); | |
| 93 | |
| 94 FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, BookmarkNudge); | |
| 95 FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, NotifyMany); | |
| 96 FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, InitialSyncRequest); | |
| 97 FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, ConfigureTest); | |
| 98 FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, PollTest); | |
| 99 FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, RetryTest); | |
| 100 FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, NudgeWithRetryTest); | |
| 101 FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, InvalidResponse); | |
| 102 FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, MoreToDownloadResponse); | |
| 103 FRIEND_TEST_ALL_PREFIXES(GetUpdatesProcessorTest, NormalResponseTest); | |
| 104 FRIEND_TEST_ALL_PREFIXES(DownloadUpdatesDebugInfoTest, | |
| 105 VerifyCopyClientDebugInfo_Empty); | |
| 106 FRIEND_TEST_ALL_PREFIXES(DownloadUpdatesDebugInfoTest, VerifyCopyOverwrites); | |
| 107 | |
| 108 // A map of 'update handlers', one for each enabled type. | |
| 109 // This must be kept in sync with the routing info. Our temporary solution to | |
| 110 // that problem is to initialize this map in set_routing_info(). | |
| 111 UpdateHandlerMap* update_handler_map_; | |
| 112 | |
| 113 const GetUpdatesDelegate& delegate_; | |
| 114 | |
| 115 DISALLOW_COPY_AND_ASSIGN(GetUpdatesProcessor); | |
| 116 }; | |
| 117 | |
| 118 } // namespace syncer | |
| 119 | |
| 120 #endif // SYNC_ENGINE_GET_UPDATES_PROCESSOR_H_ | |
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Chromium Code Reviews
Issue 2130453004:
[Sync] Move //sync to //components/sync. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master