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