| // Copyright (c) 2010 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 "base/basictypes.h" |
| #include "chrome/browser/sync/engine/polling_constants.h" |
| |
| namespace browser_sync { |
| |
| // Server can overwrite these values via client commands. |
| // Standard short poll. This is used when XMPP is off. |
| // We use high values here to ensure that failure to receive poll updates from |
| // the server doesn't result in rapid-fire polling from the client due to low |
| // local limits. |
| const int64 kDefaultShortPollIntervalSeconds = 3600 * 8; |
| // Long poll is used when XMPP is on. |
| const int64 kDefaultLongPollIntervalSeconds = 3600 * 12; |
| |
| // Maximum interval for exponential backoff. |
| const int64 kMaxBackoffSeconds = 60 * 60 * 4; // 4 hours. |
| |
| // Backoff interval randomization factor. |
| const int kBackoffRandomizationFactor = 2; |
| |
| } // namespace browser_sync |
| |
