Merge "Move dumpRawMap to BpfDump" into main am: 45e1328360

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3005176

Change-Id: I9265baebca35656a0617cd4431b234f757e06749
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/Tethering/src/com/android/networkstack/tethering/BpfCoordinator.java b/Tethering/src/com/android/networkstack/tethering/BpfCoordinator.java
index 81e18ab..155333a 100644
--- a/Tethering/src/com/android/networkstack/tethering/BpfCoordinator.java
+++ b/Tethering/src/com/android/networkstack/tethering/BpfCoordinator.java
@@ -69,7 +69,6 @@
 import com.android.net.module.util.InterfaceParams;
 import com.android.net.module.util.NetworkStackConstants;
 import com.android.net.module.util.SharedLog;
-import com.android.net.module.util.Struct;
 import com.android.net.module.util.Struct.S32;
 import com.android.net.module.util.bpf.Tether4Key;
 import com.android.net.module.util.bpf.Tether4Value;
@@ -1343,19 +1342,6 @@
         pw.decreaseIndent();
     }
 
-    private <K extends Struct, V extends Struct> void dumpRawMap(IBpfMap<K, V> map,
-            IndentingPrintWriter pw) throws ErrnoException {
-        if (map == null) {
-            pw.println("No BPF support");
-            return;
-        }
-        if (map.isEmpty()) {
-            pw.println("No entries");
-            return;
-        }
-        map.forEach((k, v) -> pw.println(BpfDump.toBase64EncodedString(k, v)));
-    }
-
     /**
      * Dump raw BPF map into the base64 encoded strings "<base64 key>,<base64 value>".
      * Allow to dump only one map path once. For test only.
@@ -1375,7 +1361,7 @@
         // TODO: dump downstream4 map.
         if (CollectionUtils.contains(args, DUMPSYS_RAWMAP_ARG_STATS)) {
             try (IBpfMap<TetherStatsKey, TetherStatsValue> statsMap = mDeps.getBpfStatsMap()) {
-                dumpRawMap(statsMap, pw);
+                BpfDump.dumpRawMap(statsMap, pw);
             } catch (ErrnoException | IOException e) {
                 pw.println("Error dumping stats map: " + e);
             }
@@ -1383,7 +1369,7 @@
         }
         if (CollectionUtils.contains(args, DUMPSYS_RAWMAP_ARG_UPSTREAM4)) {
             try (IBpfMap<Tether4Key, Tether4Value> upstreamMap = mDeps.getBpfUpstream4Map()) {
-                dumpRawMap(upstreamMap, pw);
+                BpfDump.dumpRawMap(upstreamMap, pw);
             } catch (ErrnoException | IOException e) {
                 pw.println("Error dumping IPv4 map: " + e);
             }
diff --git a/staticlibs/device/com/android/net/module/util/BpfDump.java b/staticlibs/device/com/android/net/module/util/BpfDump.java
index 7549e71..914c4ee 100644
--- a/staticlibs/device/com/android/net/module/util/BpfDump.java
+++ b/staticlibs/device/com/android/net/module/util/BpfDump.java
@@ -81,6 +81,22 @@
     }
 
     /**
+     * Dump the BpfMap entries with base64 format encoding.
+     */
+    public static <K extends Struct, V extends Struct> void dumpRawMap(IBpfMap<K, V> map,
+            PrintWriter pw) throws ErrnoException {
+        if (map == null) {
+            pw.println("BPF map is null");
+            return;
+        }
+        if (map.isEmpty()) {
+            pw.println("No entries");
+            return;
+        }
+        map.forEach((k, v) -> pw.println(toBase64EncodedString(k, v)));
+    }
+
+    /**
      * Dump the BpfMap name and entries
      */
     public static <K extends Struct, V extends Struct> void dumpMap(IBpfMap<K, V> map,