sync/internal_api/sync_db_util.cc

   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 #include "sync/internal_api/public/util/sync_db_util.h"
   6
   7 #include "base/files/file_path.h"
   8 #include "base/single_thread_task_runner.h"
   9 #include "sql/connection.h"
  10 #include "sync/syncable/directory.h"
  11
  12 namespace syncer {
  13
  14 void CheckSyncDbLastModifiedTime(
  15     const base::FilePath& sync_dir,
  16     scoped_refptr<base::SingleThreadTaskRunner> callback_runner,
  17     base::Callback<void(base::Time)> callback) {
  18   const base::FilePath sync_db =
  19       sync_dir.Append(syncable::Directory::kSyncDatabaseFilename);
  20
  21   base::File f(sync_db, base::File::FLAG_OPEN | base::File::FLAG_READ);
  22   base::File::Info info;
  23   if (!f.IsValid() || !f.GetInfo(&info)) {
  24     callback_runner->PostTask(FROM_HERE, base::Bind(callback, base::Time()));
  25     return;
  26   }
  27   f.Close();
  28
  29   sql::Connection db;
  30   if (!db.Open(sync_db) || !db.QuickIntegrityCheck()) {
  31     callback_runner->PostTask(FROM_HERE, base::Bind(callback, base::Time()));
  32   } else {
  33     callback_runner->PostTask(FROM_HERE,
  34                               base::Bind(callback, info.last_modified));
  35   }
  36 }
  37
  38 }  // namespace syncer