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      1 /*
      2  * Copyright (C) 2011 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.p2p;
     18 
     19 import android.os.Parcelable;
     20 import android.os.Parcel;
     21 import android.util.Log;
     22 
     23 /**
     24  * A class representing a Wi-Fi p2p provisional discovery request/response
     25  * See {@link #WifiP2pProvDiscEvent} for supported types
     26  *
     27  * @hide
     28  */
     29 public class WifiP2pProvDiscEvent {
     30 
     31     private static final String TAG = "WifiP2pProvDiscEvent";
     32 
     33     public static final int PBC_REQ     = 1;
     34     public static final int PBC_RSP     = 2;
     35     public static final int ENTER_PIN   = 3;
     36     public static final int SHOW_PIN    = 4;
     37 
     38     /* One of PBC_REQ, PBC_RSP, ENTER_PIN or SHOW_PIN */
     39     public int event;
     40 
     41     public WifiP2pDevice device;
     42 
     43     /* Valid when event = SHOW_PIN */
     44     public String pin;
     45 
     46     public WifiP2pProvDiscEvent() {
     47         device = new WifiP2pDevice();
     48     }
     49 
     50     /**
     51      * @param string formats supported include
     52      *
     53      *  P2P-PROV-DISC-PBC-REQ 42:fc:89:e1:e2:27
     54      *  P2P-PROV-DISC-PBC-RESP 02:12:47:f2:5a:36
     55      *  P2P-PROV-DISC-ENTER-PIN 42:fc:89:e1:e2:27
     56      *  P2P-PROV-DISC-SHOW-PIN 42:fc:89:e1:e2:27 44490607
     57      *
     58      *  Note: The events formats can be looked up in the wpa_supplicant code
     59      * @hide
     60      */
     61     public WifiP2pProvDiscEvent(String string) throws IllegalArgumentException {
     62         String[] tokens = string.split(" ");
     63 
     64         if (tokens.length < 2) {
     65             throw new IllegalArgumentException("Malformed event " + string);
     66         }
     67 
     68         if (tokens[0].endsWith("PBC-REQ")) event = PBC_REQ;
     69         else if (tokens[0].endsWith("PBC-RESP")) event = PBC_RSP;
     70         else if (tokens[0].endsWith("ENTER-PIN")) event = ENTER_PIN;
     71         else if (tokens[0].endsWith("SHOW-PIN")) event = SHOW_PIN;
     72         else throw new IllegalArgumentException("Malformed event " + string);
     73 
     74 
     75         device = new WifiP2pDevice();
     76         device.deviceAddress = tokens[1];
     77 
     78         if (event == SHOW_PIN) {
     79             pin = tokens[2];
     80         }
     81     }
     82 
     83     public String toString() {
     84         StringBuffer sbuf = new StringBuffer();
     85         sbuf.append(device);
     86         sbuf.append("\n event: ").append(event);
     87         sbuf.append("\n pin: ").append(pin);
     88         return sbuf.toString();
     89     }
     90 }
     91