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      1 // Copyright (c) 2010 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 #include "chrome/browser/sync/engine/clear_data_command.h"
      6 
      7 #include <string>
      8 
      9 #include "chrome/browser/sync/engine/syncer.h"
     10 #include "chrome/browser/sync/engine/syncer_proto_util.h"
     11 #include "chrome/browser/sync/engine/syncproto.h"
     12 #include "chrome/browser/sync/sessions/sync_session.h"
     13 #include "chrome/browser/sync/syncable/directory_manager.h"
     14 
     15 using syncable::ScopedDirLookup;
     16 
     17 namespace browser_sync {
     18 
     19 using sessions::StatusController;
     20 using sessions::SyncSession;
     21 using std::string;
     22 using syncable::FIRST_REAL_MODEL_TYPE;
     23 using syncable::MODEL_TYPE_COUNT;
     24 
     25 
     26 ClearDataCommand::ClearDataCommand() {}
     27 ClearDataCommand::~ClearDataCommand() {}
     28 
     29 void ClearDataCommand::ExecuteImpl(SyncSession* session) {
     30   ClientToServerMessage client_to_server_message;
     31   ClientToServerResponse client_to_server_response;
     32 
     33   client_to_server_message.set_share(session->context()->account_name());
     34   client_to_server_message.set_message_contents(
     35       ClientToServerMessage::CLEAR_DATA);
     36 
     37   client_to_server_message.mutable_clear_user_data();
     38 
     39   ScopedDirLookup dir(session->context()->directory_manager(),
     40                       session->context()->account_name());
     41   if (!dir.good()) {
     42     LOG(ERROR) << "Scoped dir lookup failed!";
     43     return;
     44   }
     45 
     46   SyncerProtoUtil::AddRequestBirthday(dir, &client_to_server_message);
     47 
     48   VLOG(1) << "Clearing server data";
     49 
     50   bool ok = SyncerProtoUtil::PostClientToServerMessage(
     51       client_to_server_message,
     52       &client_to_server_response,
     53       session);
     54 
     55   DVLOG(1) << SyncerProtoUtil::ClientToServerResponseDebugString(
     56       client_to_server_response);
     57 
     58   // Clear pending indicates that the server has received our clear message
     59   if (!ok || !client_to_server_response.has_error_code() ||
     60       client_to_server_response.error_code() !=
     61       sync_pb::ClientToServerResponse::SUCCESS) {
     62     // On failure, subsequent requests to the server will cause it to attempt
     63     // to resume the clear.  The client will handle disabling of sync in
     64     // response to a store birthday error from the server.
     65     SyncEngineEvent event(SyncEngineEvent::CLEAR_SERVER_DATA_FAILED);
     66     session->context()->NotifyListeners(event);
     67 
     68     LOG(ERROR) << "Error posting ClearData.";
     69 
     70     return;
     71   }
     72 
     73   SyncEngineEvent event(SyncEngineEvent::CLEAR_SERVER_DATA_SUCCEEDED);
     74   session->context()->NotifyListeners(event);
     75 
     76   session->delegate()->OnShouldStopSyncingPermanently();
     77 
     78   VLOG(1) << "ClearData succeeded.";
     79 }
     80 
     81 }  // namespace browser_sync
     82 
     83