Add SarManager and SarInfo dumps to wifi dumpsys

This commit adds dump of SarManager and SarInfo state information into
the wifi dumpsys.

Bug: 65174506
Test: run the command: $ adb shell dumpsys wifi

Change-Id: Ib329fc9ac983d010fd3b84c14969296a54997045
Merged-In: Ib329fc9ac983d010fd3b84c14969296a54997045

3 files changed, 15 insertions, 3 deletions

diff --git a/service/java/com/android/server/wifi/SarInfo.java b/service/java/com/android/server/wifi/SarInfo.java
index 514f15e10..a62307e13 100644
--- a/service/java/com/android/server/wifi/SarInfo.java
+++ b/service/java/com/android/server/wifi/SarInfo.java
@@ -83,6 +83,7 @@ public class SarInfo {
     private boolean mLastReportedIsWifiSapEnabled = false;
     private boolean mLastReportedIsVoiceCall = false;
     private int mLastReportedScenario = INITIAL_SAR_SCENARIO;
+    private long mLastReportedScenarioTs = 0;
 
     /**
      * shouldReport()
@@ -129,6 +130,7 @@ public class SarInfo {
         mLastReportedIsWifiSapEnabled = isWifiSapEnabled;
         mLastReportedIsVoiceCall = isVoiceCall;
         mLastReportedScenario = attemptedSarScenario;
+        mLastReportedScenarioTs = System.currentTimeMillis();
 
         mAllWifiDisabled = false;
     }
@@ -160,7 +162,7 @@ public class SarInfo {
      * Dumps the state of SarInfo
      */
     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        pw.println("*** WiFi SAR Info Dump  ***");
+        pw.println("Dump of SarInfo");
         pw.println("Current values:");
         pw.println("    Sensor state is: " + sensorStateToString(sensorState));
         pw.println("    Voice Call state is: " + isVoiceCall);
@@ -171,6 +173,9 @@ public class SarInfo {
         pw.println("    Sensor state is: " + sensorStateToString(mLastReportedSensorState));
         pw.println("    Soft AP state is: " + mLastReportedIsWifiSapEnabled);
         pw.println("    Voice Call state is: " + mLastReportedIsVoiceCall);
+        pw.println("Last reported scenario: " + mLastReportedScenario);
+        pw.println("Reported " +  (System.currentTimeMillis() - mLastReportedScenarioTs) / 1000
+                + " seconds ago");
     }
 
     /**
diff --git a/service/java/com/android/server/wifi/SarManager.java b/service/java/com/android/server/wifi/SarManager.java
index 89da7012b..598e5c964 100644
--- a/service/java/com/android/server/wifi/SarManager.java
+++ b/service/java/com/android/server/wifi/SarManager.java
@@ -323,13 +323,15 @@ public class SarManager {
      * Dumps SarManager state (as well as its SarInfo member variable state)
      */
     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        pw.println("*** WiFi SAR Manager Dump ***");
+        pw.println("Dump of SarManager");
         pw.println("isSarSupported: " + mSupportSarTxPowerLimit);
         pw.println("isSarVoiceCallSupported: " + mSupportSarVoiceCall);
         pw.println("isSarSoftApSupported: " + mSupportSarSoftAp);
         pw.println("isSarSensorSupported: " + mSupportSarSensor);
         pw.println("");
-        mSarInfo.dump(fd, pw, args);
+        if (mSarInfo != null) {
+            mSarInfo.dump(fd, pw, args);
+        }
     }
 
     /**
diff --git a/service/java/com/android/server/wifi/WifiServiceImpl.java b/service/java/com/android/server/wifi/WifiServiceImpl.java
index cb16efd99..6a8e0639b 100644
--- a/service/java/com/android/server/wifi/WifiServiceImpl.java
+++ b/service/java/com/android/server/wifi/WifiServiceImpl.java
@@ -2573,6 +2573,11 @@ public class WifiServiceImpl extends IWifiManager.Stub {
                 wifiScoreReport.dump(fd, pw, args);
             }
             pw.println();
+            SarManager sarManager = mWifiInjector.getSarManager();
+            if (sarManager != null) {
+                sarManager.dump(fd, pw, args);
+            }
+            pw.println();
         }
     }