Client-side changes to support retry GU.

sync/engine/download.cc

 // Copyright 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.
 
 #include "sync/engine/download.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "sync/engine/process_updates_util.h"
@@ skipping 216 matching lines @@
       proto_request_types,
       update_handler_map,
       get_updates);
 
   // Set legacy GetUpdatesMessage.GetUpdatesCallerInfo information.
   get_updates->mutable_caller_info()->set_source(
       nudge_tracker.updates_source());
 
   // Set the new and improved version of source, too.
   get_updates->set_get_updates_origin(sync_pb::SyncEnums::GU_TRIGGER);
+  get_updates->set_is_retry(
+      nudge_tracker.IsRetryRequired(base::TimeTicks::Now()));
 
   // Fill in the notification hints.
   for (int i = 0; i < get_updates->from_progress_marker_size(); ++i) {
     sync_pb::DataTypeProgressMarker* progress_marker =
         get_updates->mutable_from_progress_marker(i);
     ModelType type = GetModelTypeFromSpecificsFieldNumber(
         progress_marker->data_type_id());
 
     DCHECK(!nudge_tracker.IsTypeThrottled(type))
         << "Throttled types should have been removed from the request_types.";
@@ skipping 77 matching lines @@
       get_updates);
 
   // Set legacy GetUpdatesMessage.GetUpdatesCallerInfo information.
   get_updates->mutable_caller_info()->set_source(
       sync_pb::GetUpdatesCallerInfo::PERIODIC);
 
   // Set the new and improved version of source, too.
   get_updates->set_get_updates_origin(sync_pb::SyncEnums::PERIODIC);
 }
 
+void BuildDownloadUpdatesForRetry(
+    SyncSession* session,
+    bool create_mobile_bookmarks_folder,
+    ModelTypeSet request_types,
+    sync_pb::ClientToServerMessage* client_to_server_message) {
+  DVLOG(1) << "Retrying for types "
+           << ModelTypeSetToString(request_types);
+
+  InitDownloadUpdatesContext(
+      session,
+      create_mobile_bookmarks_folder,
+      client_to_server_message);
+  BuildDownloadUpdatesForRetryImpl(
+      Intersection(request_types, ProtocolTypes()),
+      session->context()->update_handler_map(),
+      client_to_server_message->mutable_get_updates());
+}
+
+void BuildDownloadUpdatesForRetryImpl(
+    ModelTypeSet proto_request_types,
+    UpdateHandlerMap* update_handler_map,
+    sync_pb::GetUpdatesMessage* get_updates) {
+  DCHECK(!proto_request_types.Empty());
+
+  InitDownloadUpdatesProgress(
+      proto_request_types,
+      update_handler_map,
+      get_updates);
+
+  // Set legacy GetUpdatesMessage.GetUpdatesCallerInfo information.
+  get_updates->mutable_caller_info()->set_source(
+      sync_pb::GetUpdatesCallerInfo::RETRY);
+
+  // Set the new and improved version of source, too.
+  get_updates->set_get_updates_origin(sync_pb::SyncEnums::RETRY);
+  get_updates->set_is_retry(true);
+}
+
 SyncerError ExecuteDownloadUpdates(
     ModelTypeSet request_types,
     SyncSession* session,
     sync_pb::ClientToServerMessage* msg) {
   sync_pb::ClientToServerResponse update_response;
   StatusController* status = session->mutable_status_controller();
   bool need_encryption_key = ShouldRequestEncryptionKey(session->context());
 
   if (session->context()->debug_info_getter()) {
     sync_pb::DebugInfo* debug_info = msg->mutable_debug_info();
@@ skipping 73 matching lines @@
 void CopyClientDebugInfo(
     sessions::DebugInfoGetter* debug_info_getter,
     sync_pb::DebugInfo* debug_info) {
   DVLOG(1) << "Copying client debug info to send.";
   debug_info_getter->GetDebugInfo(debug_info);
 }
 
 }  // namespace download
 
 }  // namespace syncer