From 2697445dcd01b67f248e3d616188c8169981457e Mon Sep 17 00:00:00 2001
From: Jiaming Liu <jiamingliu@google.com>
Date: Tue, 8 Nov 2022 02:05:33 +0000
Subject: [PATCH] Add error logs when none of the state conditions are
 satisfied

Test: Adding logs. Existing tests pass.

Bug: 203971802

Change-Id: Idfea1e19c56d81a7bb74b291f4ac09ba072f62dd
---
 .../server/policy/DeviceStateProviderImpl.java  | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/services/core/java/com/android/server/policy/DeviceStateProviderImpl.java b/services/core/java/com/android/server/policy/DeviceStateProviderImpl.java
index c9b3597b7a25a..2a65ea2552b3d 100644
--- a/services/core/java/com/android/server/policy/DeviceStateProviderImpl.java
+++ b/services/core/java/com/android/server/policy/DeviceStateProviderImpl.java
@@ -395,6 +395,10 @@ public final class DeviceStateProviderImpl implements DeviceStateProvider,
                     break;
                 }
             }
+            if (newState == INVALID_DEVICE_STATE) {
+                Slog.e(TAG, "No declared device states match any of the required conditions.");
+                dumpSensorValues();
+            }
 
             if (newState != INVALID_DEVICE_STATE && newState != mLastReportedState) {
                 mLastReportedState = newState;
@@ -592,6 +596,19 @@ public final class DeviceStateProviderImpl implements DeviceStateProvider,
         return null;
     }
 
+    @GuardedBy("mLock")
+    private void dumpSensorValues() {
+        Slog.i(TAG, "Sensor values:");
+        for (Sensor sensor : mLatestSensorEvent.keySet()) {
+            SensorEvent sensorEvent = mLatestSensorEvent.get(sensor);
+            if (sensorEvent != null) {
+                Slog.i(TAG, sensor.getName() + ": " + Arrays.toString(sensorEvent.values));
+            } else {
+                Slog.i(TAG, sensor.getName() + ": null");
+            }
+        }
+    }
+
     /**
      * Tries to parse the provided file into a {@link DeviceStateConfig} object. Returns
      * {@code null} if the file could not be successfully parsed.