commit 519cfc71f0a2f7f01adb51acd19b5cd23d2c93a2
author Gilad Arnold <garnold@chromium.org> Thu Oct 02 10:34:54 2014 -0700
committer chrome-internal-fetch <chrome-internal-fetch@google.com> Sat Oct 18 01:39:10 2014 +0000
tree 32b424d8c72226e13650ef16197614c19545b46e
parent d78caf9baf2026a356130f4754af2c504f423945

update_engine: Move scattering wait period store/load to PayloadState.

This is needed for decoupling the inference/use of this value from its
storing/loading, as we shift the former into the Update Manager.

BUG=chromium:384087
TEST=Unit tests.

Change-Id: I4b278dc817b6f148d5638122f934e9d1e280bfae
Reviewed-on: https://chromium-review.googlesource.com/221250
Reviewed-by: Alex Vakulenko <avakulenko@chromium.org>
Tested-by: Gilad Arnold <garnold@chromium.org>
Reviewed-by: Alex Deymo <deymo@chromium.org>
Commit-Queue: Gilad Arnold <garnold@chromium.org>

payload_state.cc

diff --git a/payload_state.cc b/payload_state.cc
index b58f9a8..fcd4dab 100644
--- a/payload_state.cc
+++ b/payload_state.cc
@@ -906,6 +906,7 @@
   ResetRollbackVersion();
   SetP2PNumAttempts(0);
   SetP2PFirstAttemptTimestamp(Time());  // Set to null time
+  SetScatteringWaitPeriod(base::TimeDelta());
 }
 
 void PayloadState::ResetRollbackVersion() {
@@ -1025,6 +1026,24 @@
   UpdateCurrentDownloadSource();
 }
 
+void PayloadState::LoadScatteringWaitPeriod() {
+  SetScatteringWaitPeriod(
+      TimeDelta::FromSeconds(GetPersistedValue(kPrefsWallClockWaitPeriod)));
+}
+
+void PayloadState::SetScatteringWaitPeriod(base::TimeDelta wait_period) {
+  CHECK(prefs_);
+  scattering_wait_period_ = wait_period;
+  LOG(INFO) << "Scattering Wait Period (seconds) = "
+            << scattering_wait_period_.InSeconds();
+  if (scattering_wait_period_.InSeconds() > 0) {
+    prefs_->SetInt64(kPrefsWallClockWaitPeriod,
+                     scattering_wait_period_.InSeconds());
+  } else {
+    prefs_->Delete(kPrefsWallClockWaitPeriod);
+  }
+}
+
 void PayloadState::LoadUrlSwitchCount() {
   SetUrlSwitchCount(GetPersistedValue(kPrefsUrlSwitchCount));
 }