From fa83a254da32ed1e2be2adad9da274b6fd215e94 Mon Sep 17 00:00:00 2001
From: Lorenzo Colitti <lorenzo@google.com>
Date: Wed, 9 Feb 2022 08:30:51 +0900
Subject: [PATCH] Add logging for Ethernet callbacks.

Test: manual
Change-Id: I2fc92895ec59f616715673d3141fc0fb19f7585b
---
 .../com/android/development/Connectivity.java | 56 ++++++++++++-------
 1 file changed, 37 insertions(+), 19 deletions(-)

diff --git a/apps/Development/src/com/android/development/Connectivity.java b/apps/Development/src/com/android/development/Connectivity.java
index 886cb1d4d..1d8a98b76 100644
--- a/apps/Development/src/com/android/development/Connectivity.java
+++ b/apps/Development/src/com/android/development/Connectivity.java
@@ -24,68 +24,54 @@ import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
-import android.content.SharedPreferences;
-import android.content.pm.PackageManager.NameNotFoundException;
 import android.net.ConnectivityManager;
 import android.net.ConnectivityManager.NetworkCallback;
-import android.net.LinkAddress;
+import android.net.EthernetManager;
+import android.net.IpConfiguration;
 import android.net.LinkProperties;
 import android.net.Network;
 import android.net.NetworkCapabilities;
 import android.net.NetworkRequest;
-import android.net.RouteInfo;
 import android.net.wifi.ScanResult;
 import android.net.wifi.WifiManager;
-import android.os.RemoteException;
 import android.os.Handler;
 import android.os.Message;
 import android.os.IBinder;
 import android.os.INetworkManagementService;
-import android.os.Parcel;
 import android.os.PowerManager;
 import android.os.PowerManager.WakeLock;
 import android.os.ServiceManager;
 import android.os.SystemClock;
-import android.provider.Settings;
 import android.os.Bundle;
-import android.os.connectivity.WifiActivityEnergyInfo;
 import android.text.TextUtils;
 import android.util.Log;
-import android.view.IWindowManager;
+import android.util.SparseArray;
 import android.view.View;
-import android.widget.ArrayAdapter;
 import android.widget.Button;
 import android.widget.CheckBox;
-import android.widget.CompoundButton;
 import android.widget.EditText;
-import android.widget.Spinner;
 import android.widget.TextView;
-import android.widget.Toast;
-import android.widget.AdapterView.OnItemSelectedListener;
 
-import com.android.internal.telephony.Phone;
 import libcore.io.IoUtils;
 
 import java.io.BufferedReader;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.InputStreamReader;
 import java.io.IOException;
 import java.io.OutputStreamWriter;
-import java.io.PrintWriter;
 import java.net.HttpURLConnection;
 import java.net.InetAddress;
 import java.net.Proxy;
 import java.net.Socket;
 import java.net.URL;
 import java.util.ArrayList;
-import java.util.Enumeration;
 import java.util.List;
 import java.util.Random;
 
 import static android.net.ConnectivityManager.CONNECTIVITY_ACTION;
 import static android.net.NetworkCapabilities.*;
 
+import com.android.internal.util.MessageUtils;
+
 public class Connectivity extends Activity {
     private static final String TAG = "DevToolsConnectivity";
     private static final String GET_SCAN_RES = "Get Results";
@@ -134,6 +120,7 @@ public class Connectivity extends Activity {
     private PowerManager mPm;
     private ConnectivityManager mCm;
     private INetworkManagementService mNetd;
+    private EthernetManager mEm;
 
     private WifiScanReceiver mScanRecv;
     IntentFilter mIntentFilter;
@@ -386,6 +373,33 @@ public class Connectivity extends Activity {
                 progressBar));
     }
 
+    private static class DevToolsEthListener implements EthernetManager.InterfaceStateListener {
+        private static final String TAG = DevToolsEthListener.class.getSimpleName();
+
+        private static final SparseArray<String> STATE_NAMES = MessageUtils.findMessageNames(
+                new Class[]{EthernetManager.class}, new String[]{"STATE_"});
+
+        private static final SparseArray<String> ROLE_NAMES = MessageUtils.findMessageNames(
+                new Class[]{EthernetManager.class}, new String[]{"ROLE_"});
+
+        private String stateName(int state) {
+            return STATE_NAMES.get(state, Integer.toString(state));
+        }
+
+        private String roleName(int role) {
+            return ROLE_NAMES.get(role, Integer.toString(role));
+        }
+
+        @Override
+        public void onInterfaceStateChanged(String iface, int state, int role,
+                IpConfiguration configuration) {
+            Log.d(TAG, iface + " " + stateName(state) + " " + roleName(role)
+                    + " " + configuration);
+        }
+    }
+
+    private final DevToolsEthListener mEthListener = new DevToolsEthListener();
+
     public Connectivity() {
         super();
         addRequestableNetwork(NET_CAPABILITY_MMS, R.id.request_mms, R.id.release_mms,
@@ -420,6 +434,7 @@ public class Connectivity extends Activity {
         mCm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
         IBinder b = ServiceManager.getService(Context.NETWORKMANAGEMENT_SERVICE);
         mNetd = INetworkManagementService.Stub.asInterface(b);
+        mEm = getSystemService(EthernetManager.class);
 
         findViewById(R.id.enableWifi).setOnClickListener(mClickListener);
         findViewById(R.id.disableWifi).setOnClickListener(mClickListener);
@@ -490,6 +505,8 @@ public class Connectivity extends Activity {
 
         mCallback = new DevToolsNetworkCallback();
         mCm.registerNetworkCallback(mEmptyRequest, mCallback);
+
+        mEm.addInterfaceStateListener(this::runOnUiThread, mEthListener);
     }
 
     @Override
@@ -500,6 +517,7 @@ public class Connectivity extends Activity {
         }
         mCm.unregisterNetworkCallback(mCallback);
         mCallback = null;
+        mEm.removeInterfaceStateListener(mEthListener);
         unregisterReceiver(mReceiver);
         mWml.release();
     }