From 945ec1e647922805a7eccc439b1ed32b7cdb5450 Mon Sep 17 00:00:00 2001
From: Neharika Jali <neharikajali@google.com>
Date: Mon, 25 Oct 2021 08:53:34 +0000
Subject: [PATCH] Recalculating cache quotas every 10 hours

Bug: 203651640
Test: manual
Change-Id: I7d8065fcfa619b66d89e70f71f3ea726032f1995
---
 .../android/server/usage/StorageStatsService.java  | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/services/usage/java/com/android/server/usage/StorageStatsService.java b/services/usage/java/com/android/server/usage/StorageStatsService.java
index b3b1491e23bac..0bd7b20c13646 100644
--- a/services/usage/java/com/android/server/usage/StorageStatsService.java
+++ b/services/usage/java/com/android/server/usage/StorageStatsService.java
@@ -94,7 +94,8 @@ public class StorageStatsService extends IStorageStatsManager.Stub {
     private static final String PROP_DISABLE_QUOTA = "fw.disable_quota";
     private static final String PROP_VERIFY_STORAGE = "fw.verify_storage";
 
-    private static final long DELAY_IN_MILLIS = 30 * DateUtils.SECOND_IN_MILLIS;
+    private static final long DELAY_CHECK_STORAGE_DELTA = 30 * DateUtils.SECOND_IN_MILLIS;
+    private static final long DELAY_RECALCULATE_QUOTAS = 10 * DateUtils.HOUR_IN_MILLIS;
     private static final long DEFAULT_QUOTA = DataUnit.MEBIBYTES.toBytes(64);
 
     public static class Lifecycle extends SystemService {
@@ -529,6 +530,7 @@ public class StorageStatsService extends IStorageStatsManager.Stub {
     private class H extends Handler {
         private static final int MSG_CHECK_STORAGE_DELTA = 100;
         private static final int MSG_LOAD_CACHED_QUOTAS_FROM_FILE = 101;
+        private static final int MSG_RECALCULATE_QUOTAS = 102;
         /**
          * By only triggering a re-calculation after the storage has changed sizes, we can avoid
          * recalculating quotas too often. Minimum change delta defines the percentage of change
@@ -568,7 +570,7 @@ public class StorageStatsService extends IStorageStatsManager.Stub {
                         recalculateQuotas(getInitializedStrategy());
                         notifySignificantDelta();
                     }
-                    sendEmptyMessageDelayed(MSG_CHECK_STORAGE_DELTA, DELAY_IN_MILLIS);
+                    sendEmptyMessageDelayed(MSG_CHECK_STORAGE_DELTA, DELAY_CHECK_STORAGE_DELTA);
                     break;
                 }
                 case MSG_LOAD_CACHED_QUOTAS_FROM_FILE: {
@@ -588,7 +590,13 @@ public class StorageStatsService extends IStorageStatsManager.Stub {
                         mPreviousBytes = mStats.getAvailableBytes();
                         recalculateQuotas(strategy);
                     }
-                    sendEmptyMessageDelayed(MSG_CHECK_STORAGE_DELTA, DELAY_IN_MILLIS);
+                    sendEmptyMessageDelayed(MSG_CHECK_STORAGE_DELTA, DELAY_CHECK_STORAGE_DELTA);
+                    sendEmptyMessageDelayed(MSG_RECALCULATE_QUOTAS, DELAY_RECALCULATE_QUOTAS);
+                    break;
+                }
+                case MSG_RECALCULATE_QUOTAS: {
+                    recalculateQuotas(getInitializedStrategy());
+                    sendEmptyMessageDelayed(MSG_RECALCULATE_QUOTAS, DELAY_RECALCULATE_QUOTAS);
                     break;
                 }
                 default: