Scatter downloads to reduce bandwidth spikes.
Support in update_engine to honor the enterprise policy to scatter the
downloading of ChromeOS automatic updates so that we reduce bandwidth
spikes caused due to simultaneous downloads of updates by a large number
of enterprise devices.
This has no effect on consumer devices.
BUG=chromeos-29615: Implement scattering of downloads in UpdateEngine
TEST=Manually tested all scenarios, Unit tests added for all new code.
CQ-DEPEND=I1f56b5516970d5988eebb2cf8f93f6905823801d
Change-Id: I4a8f4974467a064d723ab13cbd78b1ca3ceff420
Reviewed-on: https://gerrit.chromium.org/gerrit/21574
Commit-Ready: Jay Srinivasan <jaysri@chromium.org>
Reviewed-by: Jay Srinivasan <jaysri@chromium.org>
Tested-by: Jay Srinivasan <jaysri@chromium.org>
diff --git a/prefs.h b/prefs.h
index cccfed5..e128eda 100644
--- a/prefs.h
+++ b/prefs.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
@@ -30,6 +30,9 @@
bool GetInt64(const std::string& key, int64_t* value);
bool SetInt64(const std::string& key, const int64_t value);
+ bool Exists(const std::string& key);
+ bool Delete(const std::string& key);
+
private:
FRIEND_TEST(PrefsTest, GetFileNameForKey);
FRIEND_TEST(PrefsTest, GetFileNameForKeyBadCharacter);