Collect metrics for android update attempt
Report the update attempt/result metrics when an upate finishes;
and abnormally terminated updates/time to reboot when the device
reboots.
Bug: 30989466
Test: update_engine_unittest pass
Change-Id: Iea16b4e8003ae3dab5e9b7c65cf4b38d2219d203
diff --git a/update_attempter_android.h b/update_attempter_android.h
index a347e52..911ab81 100644
--- a/update_attempter_android.h
+++ b/update_attempter_android.h
@@ -28,10 +28,12 @@
#include "update_engine/client_library/include/update_engine/update_status.h"
#include "update_engine/common/action_processor.h"
#include "update_engine/common/boot_control_interface.h"
+#include "update_engine/common/clock.h"
#include "update_engine/common/hardware_interface.h"
#include "update_engine/common/prefs_interface.h"
#include "update_engine/daemon_state_interface.h"
#include "update_engine/metrics_reporter_interface.h"
+#include "update_engine/metrics_utils.h"
#include "update_engine/network_selector_interface.h"
#include "update_engine/payload_consumer/download_action.h"
#include "update_engine/payload_consumer/postinstall_runner_action.h"
@@ -87,6 +89,8 @@
void ProgressUpdate(double progress) override;
private:
+ friend class UpdateAttempterAndroidTest;
+
// Asynchronously marks the current slot as successful if needed. If already
// marked as good, CompleteUpdateBootFlags() is called starting the action
// processor.
@@ -118,6 +122,36 @@
// Returns whether an update was completed in the current boot.
bool UpdateCompletedOnThisBoot();
+ // Prefs to use for metrics report
+ // |kPrefsPayloadAttemptNumber|: number of update attempts for the current
+ // payload_id.
+ // |KprefsNumReboots|: number of reboots when applying the current update.
+ // |kPrefsSystemUpdatedMarker|: end timestamp of the last successful update.
+ // |kPrefsUpdateTimestampStart|: start timestamp of the current update.
+
+ // Metrics report function to call:
+ // |ReportUpdateAttemptMetrics|
+ // |ReportSuccessfulUpdateMetrics|
+ // Prefs to update:
+ // |kPrefsSystemUpdatedMarker|
+ void CollectAndReportUpdateMetricsOnUpdateFinished(ErrorCode error_code);
+
+ // Metrics report function to call:
+ // |ReportAbnormallyTerminatedUpdateAttemptMetrics|
+ // |ReportTimeToRebootMetrics|
+ // Prefs to update:
+ // |kPrefsBootId|, |kPrefsPreviousVersion|
+ void UpdatePrefsAndReportUpdateMetricsOnReboot();
+
+ // Prefs to update:
+ // |kPrefsPayloadAttemptNumber|, |kPrefsUpdateTimestampStart|
+ void UpdatePrefsOnUpdateStart(bool is_resume);
+
+ // Prefs to delete:
+ // |kPrefsNumReboots|, |kPrefsPayloadAttemptNumber|,
+ // |kPrefsSystemUpdatedMarker|, |kPrefsUpdateTimestampStart|
+ void ClearMetricsPrefs();
+
DaemonStateInterface* daemon_state_;
// DaemonStateAndroid pointers.
@@ -163,6 +197,8 @@
// before applying an update to the other slot.
bool updated_boot_flags_ = false;
+ std::unique_ptr<ClockInterface> clock_;
+
std::unique_ptr<MetricsReporterInterface> metrics_reporter_;
DISALLOW_COPY_AND_ASSIGN(UpdateAttempterAndroid);
