1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.net.wifi; 18 19 import android.net.wifi.IPnoScanEvent; 20 import android.net.wifi.IScanEvent; 21 import com.android.server.wifi.wificond.NativeScanResult; 22 import com.android.server.wifi.wificond.PnoSettings; 23 import com.android.server.wifi.wificond.SingleScanSettings; 24 25 interface IWifiScannerImpl { 26 // Type of scan request. This is used in |SingleScanSettings.scan_type|. 27 const int SCAN_TYPE_LOW_SPAN = 0; 28 const int SCAN_TYPE_LOW_POWER = 1; 29 const int SCAN_TYPE_HIGH_ACCURACY = 2; 30 // Scan type used internally if the device does not support 31 // the type specified in |SingleScanSettings.scan_type|. 32 // Scan requests from framework with this type will be rejected. 33 const int SCAN_TYPE_DEFAULT = -1; 34 35 // Get the latest single scan results from kernel. getScanResults()36 NativeScanResult[] getScanResults(); 37 38 // Get the latest pno scan results from the interface which has most recently 39 // completed disconnected mode PNO scans getPnoScanResults()40 NativeScanResult[] getPnoScanResults(); 41 42 // Request a single scan using a SingleScanSettings parcelable object. scan(in SingleScanSettings scanSettings)43 boolean scan(in SingleScanSettings scanSettings); 44 45 // Subscribe single scanning events. 46 // Scanner assumes there is only one subscriber. 47 // This call will replace any existing |handler|. subscribeScanEvents(IScanEvent handler)48 oneway void subscribeScanEvents(IScanEvent handler); 49 50 // Unsubscribe single scanning events . unsubscribeScanEvents()51 oneway void unsubscribeScanEvents(); 52 53 // Subscribe Pno scanning events. 54 // Scanner assumes there is only one subscriber. 55 // This call will replace any existing |handler|. subscribePnoScanEvents(IPnoScanEvent handler)56 oneway void subscribePnoScanEvents(IPnoScanEvent handler); 57 58 // Unsubscribe Pno scanning events . unsubscribePnoScanEvents()59 oneway void unsubscribePnoScanEvents(); 60 61 // Request a scheduled scan. startPnoScan(in PnoSettings pnoSettings)62 boolean startPnoScan(in PnoSettings pnoSettings); 63 64 // Stop any existing scheduled scan. 65 // Returns true on success. 66 // Returns false on failure or there is no existing scheduled scan. stopPnoScan()67 boolean stopPnoScan(); 68 69 // Abort ongoing scan. abortScan()70 void abortScan(); 71 72 // TODO(nywang) add more interfaces. 73 } 74