WifiAwareNativeManager.java revision 64ce9f185eb6097c1c358c44710be6e1ca7c7055
164ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen/* 264ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen * Copyright (C) 2016 The Android Open Source Project 364ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen * 464ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen * Licensed under the Apache License, Version 2.0 (the "License"); 564ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen * you may not use this file except in compliance with the License. 664ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen * You may obtain a copy of the License at 764ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen * 864ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen * http://www.apache.org/licenses/LICENSE-2.0 964ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen * 1064ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen * Unless required by applicable law or agreed to in writing, software 1164ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen * distributed under the License is distributed on an "AS IS" BASIS, 1264ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1364ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen * See the License for the specific language governing permissions and 1464ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen * limitations under the License. 1564ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen */ 1664ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 1764ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohenpackage com.android.server.wifi.aware; 1864ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 1964ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohenimport android.hardware.wifi.V1_0.IWifiNanIface; 2064ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohenimport android.util.Log; 2164ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 2264ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohenimport com.android.server.wifi.HalDeviceManager; 2364ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 2464ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen/** 2564ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen * Manages the interface to Wi-Fi Aware HIDL (HAL). 2664ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen */ 2764ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohenclass WifiAwareNativeManager { 2864ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen private static final String TAG = "WifiAwareNativeManager"; 2964ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen private static final boolean DBG = false; 3064ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 3164ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen // to be used for synchronizing access to any of the WifiAwareNative objects 3264ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen private final Object mLock = new Object(); 3364ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 3464ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen private WifiAwareStateManager mWifiAwareStateManager; 3564ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen private HalDeviceManager mHalDeviceManager; 3664ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen private IWifiNanIface mWifiNanIface = null; 3764ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen private InterfaceDestroyedListener mInterfaceDestroyedListener = 3864ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen new InterfaceDestroyedListener(); 3964ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen private InterfaceAvailableForRequestListener mInterfaceAvailableForRequestListener = 4064ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen new InterfaceAvailableForRequestListener(); 4164ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 4264ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen WifiAwareNativeManager(WifiAwareStateManager awareStateManager, 4364ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen HalDeviceManager halDeviceManager) { 4464ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen mWifiAwareStateManager = awareStateManager; 4564ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen mHalDeviceManager = halDeviceManager; 4664ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen mHalDeviceManager.registerStatusCallback( 4764ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen new HalDeviceManager.ManagerStatusCallback() { 4864ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen @Override 4964ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen public void onStart() { 5064ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen if (DBG) Log.d(TAG, "Wi-Fi started"); 5164ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen tryToGetAware(); 5264ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 5364ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 5464ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen @Override 5564ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen public void onStop() { 5664ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen if (DBG) Log.d(TAG, "Wi-Fi stopped"); 5764ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen awareIsDown(); 5864ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 5964ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen }, null); 6064ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 6164ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 6264ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen /* package */ IWifiNanIface getWifiNanIface() { 6364ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen synchronized (mLock) { 6464ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen return mWifiNanIface; 6564ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 6664ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 6764ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 6864ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen private void tryToGetAware() { 6964ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen synchronized (mLock) { 7064ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen IWifiNanIface iface = mHalDeviceManager.createNanIface( 7164ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen mInterfaceDestroyedListener, mInterfaceAvailableForRequestListener, null); 7264ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen if (iface == null) { 7364ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen if (DBG) Log.d(TAG, "Was not able to obtain an IWifiNanIface"); 7464ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } else { 7564ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen if (DBG) Log.d(TAG, "Obtained an IWifiNanIface"); 7664ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 7764ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen mWifiNanIface = iface; 7864ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen mWifiAwareStateManager.enableUsage(); 7964ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 8064ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 8164ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 8264ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 8364ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen private void awareIsDown() { 8464ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen if (mWifiNanIface != null) { 8564ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen synchronized (mLock) { 8664ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen mWifiNanIface = null; 8764ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen mWifiAwareStateManager.disableUsage(); 8864ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 8964ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 9064ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 9164ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 9264ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen private class InterfaceDestroyedListener implements 9364ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen HalDeviceManager.InterfaceDestroyedListener { 9464ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen @Override 9564ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen public void onDestroyed() { 9664ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen if (DBG) Log.d(TAG, "Interface was destroyed"); 9764ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen awareIsDown(); 9864ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 9964ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 10064ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 10164ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen private class InterfaceAvailableForRequestListener implements 10264ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen HalDeviceManager.InterfaceAvailableForRequestListener { 10364ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen @Override 10464ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen public void onAvailableForRequest() { 10564ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen if (DBG) Log.d(TAG, "Interface is possibly available"); 10664ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen tryToGetAware(); 10764ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 10864ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 10964ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen} 110