Metrics: number of IP renewal failures

Counts the number of times IP provisioning failure occurs in
ConnectedState.

Bug: 147448863
Test: atest FrameworksWifiTests
Change-Id: I4274bba5a82036d1b61affbfd027bba9371955aa

3 files changed, 18 insertions, 0 deletions

diff --git a/service/java/com/android/server/wifi/ClientModeImpl.java b/service/java/com/android/server/wifi/ClientModeImpl.java
index 8957f21fe..4f7fcf0ef 100644
--- a/service/java/com/android/server/wifi/ClientModeImpl.java
+++ b/service/java/com/android/server/wifi/ClientModeImpl.java
@@ -5158,6 +5158,10 @@ public class ClientModeImpl extends StateMachine {
                         break;
                     }
                     break;
+                case CMD_IP_CONFIGURATION_LOST:
+                    mWifiMetrics.incrementIpRenewalFailure();
+                    handleStatus = NOT_HANDLED;
+                    break;
                 default:
                     handleStatus = NOT_HANDLED;
                     break;
diff --git a/service/java/com/android/server/wifi/WifiMetrics.java b/service/java/com/android/server/wifi/WifiMetrics.java
index 1a0a13d35..f93a5cc9d 100644
--- a/service/java/com/android/server/wifi/WifiMetrics.java
+++ b/service/java/com/android/server/wifi/WifiMetrics.java
@@ -2853,6 +2853,8 @@ public class WifiMetrics {
                 pw.println("mWifiLogProto.rxLinkSpeedCount5gLow=" + mRxLinkSpeedCount5gLow);
                 pw.println("mWifiLogProto.rxLinkSpeedCount5gMid=" + mRxLinkSpeedCount5gMid);
                 pw.println("mWifiLogProto.rxLinkSpeedCount5gHigh=" + mRxLinkSpeedCount5gHigh);
+                pw.println("mWifiLogProto.numIpRenewalFailure="
+                        + mWifiLogProto.numIpRenewalFailure);
             }
         }
     }
@@ -5112,6 +5114,15 @@ public class WifiMetrics {
     }
 
     /**
+     * Increment number of IP renewal failures.
+     */
+    public void incrementIpRenewalFailure() {
+        synchronized (mLock) {
+            mWifiLogProto.numIpRenewalFailure++;
+        }
+    }
+
+    /**
      * Sets the duration for evaluating Wifi condition to trigger a data stall
      */
     public void setDataStallDurationMs(int duration) {
diff --git a/service/proto/src/metrics.proto b/service/proto/src/metrics.proto
index aa0b38e22..60dd432c4 100644
--- a/service/proto/src/metrics.proto
+++ b/service/proto/src/metrics.proto
@@ -573,6 +573,9 @@ message WifiLog {
 
   // Histogram of Rx link speed at 5G high band
   repeated Int32Count rx_link_speed_count_5g_high = 156;
+
+  // Count of IP renewal failures.
+  optional int32 num_ip_renewal_failure = 157;
 }
 
 // Information that gets logged for every WiFi connection.