1 /* 2 * Copyright (C) 2012 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.nsd; 18 19 import android.os.Parcel; 20 import android.os.Parcelable; 21 22 import java.util.ArrayList; 23 import java.util.List; 24 25 /** 26 * A class for storing service information that is advertised 27 * over a Wi-Fi peer-to-peer setup 28 * 29 * @see WifiP2pUpnpServiceInfo 30 * @see WifiP2pDnsSdServiceInfo 31 */ 32 public class WifiP2pServiceInfo implements Parcelable { 33 34 /** 35 * All service protocol types. 36 */ 37 public static final int SERVICE_TYPE_ALL = 0; 38 39 /** 40 * DNS based service discovery protocol. 41 */ 42 public static final int SERVICE_TYPE_BONJOUR = 1; 43 44 /** 45 * UPnP protocol. 46 */ 47 public static final int SERVICE_TYPE_UPNP = 2; 48 49 /** 50 * WS-Discovery protocol 51 * @hide 52 */ 53 public static final int SERVICE_TYPE_WS_DISCOVERY = 3; 54 55 /** 56 * Vendor Specific protocol 57 */ 58 public static final int SERVICE_TYPE_VENDOR_SPECIFIC = 255; 59 60 /** 61 * the list of query string for wpa_supplicant 62 * 63 * e.g) 64 * # IP Printing over TCP (PTR) (RDATA=MyPrinter._ipp._tcp.local.) 65 * {"bonjour", "045f697070c00c000c01", "094d795072696e746572c027" 66 * 67 * # IP Printing over TCP (TXT) (RDATA=txtvers=1,pdl=application/postscript) 68 * {"bonjour", "096d797072696e746572045f697070c00c001001", 69 * "09747874766572733d311a70646c3d6170706c69636174696f6e2f706f7374736372797074"} 70 * 71 * [UPnP] 72 * # UPnP uuid 73 * {"upnp", "10", "uuid:6859dede-8574-59ab-9332-123456789012"} 74 * 75 * # UPnP rootdevice 76 * {"upnp", "10", "uuid:6859dede-8574-59ab-9332-123456789012::upnp:rootdevice"} 77 * 78 * # UPnP device 79 * {"upnp", "10", "uuid:6859dede-8574-59ab-9332-123456789012::urn:schemas-upnp 80 * -org:device:InternetGatewayDevice:1"} 81 * 82 * # UPnP service 83 * {"upnp", "10", "uuid:6859dede-8574-59ab-9322-123456789012::urn:schemas-upnp 84 * -org:service:ContentDirectory:2"} 85 */ 86 private List<String> mQueryList; 87 88 /** 89 * This is only used in subclass. 90 * 91 * @param queryList query string for wpa_supplicant 92 * @hide 93 */ 94 protected WifiP2pServiceInfo(List<String> queryList) { 95 if (queryList == null) { 96 throw new IllegalArgumentException("query list cannot be null"); 97 } 98 mQueryList = queryList; 99 } 100 101 /** 102 * Return the list of the query string for wpa_supplicant. 103 * 104 * @return the list of the query string for wpa_supplicant. 105 * @hide 106 */ 107 public List<String> getSupplicantQueryList() { 108 return mQueryList; 109 } 110 111 /** 112 * Converts byte array to hex string. 113 * 114 * @param data 115 * @return hex string. 116 * @hide 117 */ 118 static String bin2HexStr(byte[] data) { 119 StringBuffer sb = new StringBuffer(); 120 121 for (byte b: data) { 122 String s = null; 123 try { 124 s = Integer.toHexString(b & 0xff); 125 } catch (Exception e) { 126 e.printStackTrace(); 127 return null; 128 } 129 //add 0 padding 130 if (s.length() == 1) { 131 sb.append('0'); 132 } 133 sb.append(s); 134 } 135 return sb.toString(); 136 } 137 138 @Override 139 public boolean equals(Object o) { 140 if (o == this) { 141 return true; 142 } 143 if (!(o instanceof WifiP2pServiceInfo)) { 144 return false; 145 } 146 147 WifiP2pServiceInfo servInfo = (WifiP2pServiceInfo)o; 148 return mQueryList.equals(servInfo.mQueryList); 149 } 150 151 @Override 152 public int hashCode() { 153 int result = 17; 154 result = 31 * result + (mQueryList == null ? 0 : mQueryList.hashCode()); 155 return result; 156 } 157 158 /** Implement the Parcelable interface {@hide} */ 159 public int describeContents() { 160 return 0; 161 } 162 163 /** Implement the Parcelable interface {@hide} */ 164 public void writeToParcel(Parcel dest, int flags) { 165 dest.writeStringList(mQueryList); 166 } 167 168 /** Implement the Parcelable interface {@hide} */ 169 public static final Creator<WifiP2pServiceInfo> CREATOR = 170 new Creator<WifiP2pServiceInfo>() { 171 public WifiP2pServiceInfo createFromParcel(Parcel in) { 172 173 List<String> data = new ArrayList<String>(); 174 in.readStringList(data); 175 return new WifiP2pServiceInfo(data); 176 } 177 178 public WifiP2pServiceInfo[] newArray(int size) { 179 return new WifiP2pServiceInfo[size]; 180 } 181 }; 182 } 183
