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Commit fad06ee6 authored by Mitchell Wills's avatar Mitchell Wills Committed by android-build-merger
Browse files

Merge "Connect WifiScanner synchronously without sync barrier" into nyc-dev am: 26579818 

am: 740c433b

* commit '740c433b':
  Connect WifiScanner synchronously without sync barrier

Change-Id: I029b69e1ff1cb987ec88ac331192d3598db65d7e
parents d363d421 740c433b

wifi/java/android/net/wifi/WifiScanner.java

+4 −40
Original line number Diff line number Diff line
@@ -20,7 +20,6 @@ import android.annotation.SystemApi; 
import android.content.Context;

import android.os.Bundle;

import android.os.Handler;

import android.os.HandlerThread;

import android.os.Looper;

import android.os.Message;

import android.os.Messenger;
@@ -31,13 +30,11 @@ import android.os.WorkSource; 
import android.util.Log;

import android.util.SparseArray;



import com.android.internal.annotations.VisibleForTesting;

import com.android.internal.util.AsyncChannel;

import com.android.internal.util.Preconditions;

import com.android.internal.util.Protocol;



import java.util.List;

import java.util.concurrent.CountDownLatch;





/**
@@ -1143,7 +1140,6 @@ public class WifiScanner { 
    private final Object mListenerMapLock = new Object();



    private AsyncChannel mAsyncChannel;

    private final CountDownLatch mConnected;

    private final Handler mInternalHandler;



    /**
@@ -1157,22 +1153,6 @@ public class WifiScanner { 
     * @hide

     */

    public WifiScanner(Context context, IWifiScanner service, Looper looper) {

        this(context, service, looper, true);

    }



    /**

     * Create a new WifiScanner instance.

     *

     * @param context The application context.

     * @param service The IWifiScanner Binder interface

     * @param looper the Looper used to deliver callbacks

     * @param waitForConnection If true, this will not return until a connection to Wifi Scanner

     *          service is established.

     * @hide

     */

    @VisibleForTesting

    public WifiScanner(Context context, IWifiScanner service, Looper looper,

            boolean waitForConnection) {

        mContext = context;

        mService = service;
@@ -1188,17 +1168,12 @@ public class WifiScanner { 
        }



        mAsyncChannel = new AsyncChannel();

        mConnected = new CountDownLatch(1);



        mInternalHandler = new ServiceHandler(looper);

        mAsyncChannel.connect(mContext, mInternalHandler, messenger);

        if (waitForConnection) {

            try {

                mConnected.await();

            } catch (InterruptedException e) {

                Log.e(TAG, "interrupted wait at init");

            }

        }

        mAsyncChannel.connectSync(mContext, mInternalHandler, messenger);

        // We cannot use fullyConnectSync because it sends the FULL_CONNECTION message

        // synchronously, which causes WifiScanningService to receive the wrong replyTo value.

        mAsyncChannel.sendMessage(AsyncChannel.CMD_CHANNEL_FULL_CONNECTION);

    }



    private void validateChannel() {
@@ -1326,17 +1301,6 @@ public class WifiScanner { 
        @Override

        public void handleMessage(Message msg) {

            switch (msg.what) {

                case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED:

                    if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL) {

                        mAsyncChannel.sendMessage(AsyncChannel.CMD_CHANNEL_FULL_CONNECTION);

                    } else {

                        Log.e(TAG, "Failed to set up channel connection");

                        // This will cause all further async API calls on the WifiManager

                        // to fail and throw an exception

                        mAsyncChannel = null;

                    }

                    mConnected.countDown();

                    return;

                case AsyncChannel.CMD_CHANNEL_FULLY_CONNECTED:

                    return;

                case AsyncChannel.CMD_CHANNEL_DISCONNECTED: