| /* |
| * 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.internal.util.test; |
| |
| import android.content.Context; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.Messenger; |
| import android.util.Log; |
| |
| import com.android.internal.util.AsyncChannel; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * Provides an interface for the server side implementation of a bidirectional channel as described |
| * in {@link com.android.internal.util.AsyncChannel}. |
| */ |
| public class BidirectionalAsyncChannelServer { |
| |
| private static final String TAG = "BidirectionalAsyncChannelServer"; |
| |
| // Keeps track of incoming clients, which are identifiable by their messengers. |
| private final Map<Messenger, AsyncChannel> mClients = new HashMap<>(); |
| |
| private Messenger mMessenger; |
| |
| public BidirectionalAsyncChannelServer(final Context context, final Looper looper, |
| final Handler messageHandler) { |
| Handler handler = new Handler(looper) { |
| @Override |
| public void handleMessage(Message msg) { |
| AsyncChannel channel = mClients.get(msg.replyTo); |
| switch (msg.what) { |
| case AsyncChannel.CMD_CHANNEL_FULL_CONNECTION: |
| if (channel != null) { |
| Log.d(TAG, "duplicate client connection: " + msg.sendingUid); |
| channel.replyToMessage(msg, |
| AsyncChannel.CMD_CHANNEL_FULLY_CONNECTED, |
| AsyncChannel.STATUS_FULL_CONNECTION_REFUSED_ALREADY_CONNECTED); |
| } else { |
| channel = new AsyncChannel(); |
| mClients.put(msg.replyTo, channel); |
| channel.connected(context, this, msg.replyTo); |
| channel.replyToMessage(msg, AsyncChannel.CMD_CHANNEL_FULLY_CONNECTED, |
| AsyncChannel.STATUS_SUCCESSFUL); |
| } |
| break; |
| case AsyncChannel.CMD_CHANNEL_DISCONNECT: |
| channel.disconnect(); |
| break; |
| |
| case AsyncChannel.CMD_CHANNEL_DISCONNECTED: |
| mClients.remove(msg.replyTo); |
| break; |
| |
| default: |
| messageHandler.handleMessage(msg); |
| break; |
| } |
| } |
| }; |
| mMessenger = new Messenger(handler); |
| } |
| |
| public Messenger getMessenger() { |
| return mMessenger; |
| } |
| |
| } |