WifiAwareNativeManager.java revision 3145bb4d3359647cccd9b4aba1734066f36bb2e6
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; 463145bb4d3359647cccd9b4aba1734066f36bb2e6Etan Cohen mHalDeviceManager.registerStatusListener( 473145bb4d3359647cccd9b4aba1734066f36bb2e6Etan Cohen new HalDeviceManager.ManagerStatusListener() { 4864ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen @Override 493145bb4d3359647cccd9b4aba1734066f36bb2e6Etan Cohen public void onStatusChanged() { 503145bb4d3359647cccd9b4aba1734066f36bb2e6Etan Cohen if (DBG) Log.d(TAG, "onStatusChanged"); 513145bb4d3359647cccd9b4aba1734066f36bb2e6Etan Cohen // only care about isStarted (Wi-Fi started) not isReady - since if not 523145bb4d3359647cccd9b4aba1734066f36bb2e6Etan Cohen // ready then Wi-Fi will also be down. 533145bb4d3359647cccd9b4aba1734066f36bb2e6Etan Cohen if (mHalDeviceManager.isStarted()) { 543145bb4d3359647cccd9b4aba1734066f36bb2e6Etan Cohen tryToGetAware(); 553145bb4d3359647cccd9b4aba1734066f36bb2e6Etan Cohen } else { 563145bb4d3359647cccd9b4aba1734066f36bb2e6Etan Cohen awareIsDown(); 573145bb4d3359647cccd9b4aba1734066f36bb2e6Etan Cohen } 5864ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 5964ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen }, null); 603145bb4d3359647cccd9b4aba1734066f36bb2e6Etan Cohen if (mHalDeviceManager.isStarted()) { 613145bb4d3359647cccd9b4aba1734066f36bb2e6Etan Cohen tryToGetAware(); 623145bb4d3359647cccd9b4aba1734066f36bb2e6Etan Cohen } 6364ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 6464ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 6564ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen /* package */ IWifiNanIface getWifiNanIface() { 6664ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen synchronized (mLock) { 6764ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen return mWifiNanIface; 6864ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 6964ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 7064ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 7164ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen private void tryToGetAware() { 7264ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen synchronized (mLock) { 733145bb4d3359647cccd9b4aba1734066f36bb2e6Etan Cohen if (mWifiNanIface != null) { 743145bb4d3359647cccd9b4aba1734066f36bb2e6Etan Cohen if (DBG) Log.d(TAG, "Already have a NAN interface"); 753145bb4d3359647cccd9b4aba1734066f36bb2e6Etan Cohen return; 763145bb4d3359647cccd9b4aba1734066f36bb2e6Etan Cohen } 7764ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen IWifiNanIface iface = mHalDeviceManager.createNanIface( 7864ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen mInterfaceDestroyedListener, mInterfaceAvailableForRequestListener, null); 7964ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen if (iface == null) { 8064ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen if (DBG) Log.d(TAG, "Was not able to obtain an IWifiNanIface"); 8164ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } else { 8264ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen if (DBG) Log.d(TAG, "Obtained an IWifiNanIface"); 8364ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 8464ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen mWifiNanIface = iface; 8564ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen mWifiAwareStateManager.enableUsage(); 8664ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 8764ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 8864ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 8964ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 9064ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen private void awareIsDown() { 9164ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen if (mWifiNanIface != null) { 9264ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen synchronized (mLock) { 9364ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen mWifiNanIface = null; 9464ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen mWifiAwareStateManager.disableUsage(); 9564ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 9664ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 9764ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 9864ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 9964ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen private class InterfaceDestroyedListener implements 10064ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen HalDeviceManager.InterfaceDestroyedListener { 10164ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen @Override 10264ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen public void onDestroyed() { 10364ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen if (DBG) Log.d(TAG, "Interface was destroyed"); 10464ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen awareIsDown(); 10564ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 10664ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 10764ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen 10864ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen private class InterfaceAvailableForRequestListener implements 10964ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen HalDeviceManager.InterfaceAvailableForRequestListener { 11064ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen @Override 11164ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen public void onAvailableForRequest() { 11264ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen if (DBG) Log.d(TAG, "Interface is possibly available"); 11364ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen tryToGetAware(); 11464ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 11564ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen } 11664ce9f185eb6097c1c358c44710be6e1ca7c7055Etan Cohen} 117