WifiNative: Add API to fetch set of all client interfaces

Bug: 140111024
Test: atest com.android.server.wifi
Change-Id: If768581a27181d78b14ee44f652f736f36029f1a

1 files changed, 23 insertions, 0 deletions

diff --git a/service/java/com/android/server/wifi/WifiNative.java b/service/java/com/android/server/wifi/WifiNative.java
index c19584554..23e7f0cab 100644
--- a/service/java/com/android/server/wifi/WifiNative.java
+++ b/service/java/com/android/server/wifi/WifiNative.java
@@ -30,6 +30,7 @@ import android.os.INetworkManagementService;
 import android.os.RemoteException;
 import android.os.SystemClock;
 import android.text.TextUtils;
+import android.util.ArraySet;
 import android.util.Log;
 
 import com.android.internal.annotations.Immutable;
@@ -279,6 +280,17 @@ public class WifiNative {
             return iface.name;
         }
 
+        private @NonNull Set<String> findAllStaIfaceNames() {
+            Set<String> ifaceNames = new ArraySet<>();
+            for (Iface iface : mIfaces.values()) {
+                if (iface.type == Iface.IFACE_TYPE_STA_FOR_CONNECTIVITY
+                        || iface.type == Iface.IFACE_TYPE_STA_FOR_SCAN) {
+                    ifaceNames.add(iface.name);
+                }
+            }
+            return ifaceNames;
+        }
+
         /** Removes the existing iface that does not match the provided id. */
         public Iface removeExistingIface(int newIfaceId) {
             Iface removedIface = null;
@@ -1258,6 +1270,17 @@ public class WifiNative {
     }
 
     /**
+     * Get names of all the client interfaces.
+     *
+     * @return List of interface name of all active client interfaces.
+     */
+    public Set<String> getClientInterfaceNames() {
+        synchronized (mLock) {
+            return mIfaceMgr.findAllStaIfaceNames();
+        }
+    }
+
+    /**
      * Get name of the softap interface.
      *
      * This is mainly used by external modules that needs to perform some