1 files changed, 68 insertions, 0 deletions
diff --git a/service/java/com/android/server/wifi/util/WifiHandler.java b/service/java/com/android/server/wifi/util/WifiHandler.java
new file mode 100644
index 000000000..875060153
--- /dev/null
+++ b/service/java/com/android/server/wifi/util/WifiHandler.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.wifi.util;
+
+import android.annotation.NonNull;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+
+import com.android.internal.annotations.VisibleForTesting;
+
+import com.android.server.wifi.WifiInjector;
+import com.android.server.wifi.WifiLog;
+
+/**
+ * This class subclasses Handler to log incoming messages
+ */
+public class WifiHandler extends Handler {
+    private static final String LOG_TAG = "WifiHandler";
+    private WifiLog mLog;
+    private String mTag;
+
+    public WifiHandler(String tag, Looper looper) {
+        super(looper);
+        mTag = LOG_TAG + "." + tag;
+    }
+
+    @NonNull
+    private WifiLog getOrInitLog() {
+        // Lazy initialization of mLog
+        if (mLog == null) {
+            mLog = WifiInjector.getInstance().makeLog(mTag);
+        }
+        return mLog;
+    }
+
+    @Override
+    public void handleMessage(Message msg) {
+        getOrInitLog().trace("Received message=%d sendingUid=%")
+                .c(msg.what)
+                .c(msg.sendingUid)
+                .flush();
+    }
+
+    /**
+     * @hide
+     */
+    @VisibleForTesting
+    public void setWifiLog(WifiLog wifiLog) {
+        // TODO WifiInjector should be passed as a variable in the constructor
+        // b/33308811 tracks removing lazy initializations of mLog
+        mLog = wifiLog;
+    }
+}