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 com.android.nfc.snep; 18 19 import com.android.nfc.MockLlcpSocket; 20 21 import android.nfc.NdefMessage; 22 import android.nfc.NdefRecord; 23 import android.test.AndroidTestCase; 24 import android.util.Log; 25 26 import java.io.IOException; 27 28 /** 29 * Tests the SNEP cleint/server interfaces using a mock LLCP socket. 30 */ 31 public class SnepBasicTests extends AndroidTestCase { 32 private static final String TAG = "snepBasicTests"; 33 private static final int MIU = 250; 34 private static final int ACCEPTABLE_LENGTH = 2*1024; 35 36 public void testGetSmallNdef() throws IOException { 37 MockLlcpSocket clientSocket = new MockLlcpSocket(); 38 MockLlcpSocket serverSocket = new MockLlcpSocket(); 39 MockLlcpSocket.bind(clientSocket, serverSocket); 40 41 final SnepMessenger client = new SnepMessenger(true, clientSocket, MIU); 42 final SnepMessenger server = new SnepMessenger(false, serverSocket, MIU); 43 44 new Thread() { 45 @Override 46 public void run() { 47 try { 48 SnepServer.handleRequest(server, mCallback); 49 } catch (Exception e) { 50 Log.e(TAG, "error getting message", e); 51 } 52 }; 53 }.start(); 54 55 SnepMessage response = null; 56 try { 57 client.sendMessage(SnepMessage.getGetRequest(ACCEPTABLE_LENGTH, getSmallNdef())); 58 response = client.getMessage(); 59 } catch (SnepException e) { 60 throw new IOException("Failed to retrieve SNEP message", e); 61 } 62 63 assertNotNull(response); 64 assertEquals(SnepMessage.RESPONSE_SUCCESS, response.getField()); 65 } 66 67 public void testGetLargeNdef() throws IOException { 68 MockLlcpSocket clientSocket = new MockLlcpSocket(); 69 MockLlcpSocket serverSocket = new MockLlcpSocket(); 70 MockLlcpSocket.bind(clientSocket, serverSocket); 71 72 final SnepMessenger client = new SnepMessenger(true, clientSocket, MIU); 73 final SnepMessenger server = new SnepMessenger(false, serverSocket, MIU); 74 75 new Thread() { 76 @Override 77 public void run() { 78 try { 79 SnepServer.handleRequest(server, mCallback); 80 } catch (Exception e) { 81 Log.e(TAG, "error getting message", e); 82 } 83 }; 84 }.start(); 85 86 SnepMessage response = null; 87 try { 88 client.sendMessage(SnepMessage.getGetRequest(ACCEPTABLE_LENGTH, getNdef(900))); 89 response = client.getMessage(); 90 } catch (SnepException e) { 91 throw new IOException("Failed to retrieve SNEP message", e); 92 } 93 94 assertNotNull(response); 95 assertEquals(SnepMessage.RESPONSE_SUCCESS, response.getField()); 96 } 97 98 public void testGetExcessiveNdef() throws IOException { 99 MockLlcpSocket clientSocket = new MockLlcpSocket(); 100 MockLlcpSocket serverSocket = new MockLlcpSocket(); 101 MockLlcpSocket.bind(clientSocket, serverSocket); 102 103 final SnepMessenger client = new SnepMessenger(true, clientSocket, MIU); 104 final SnepMessenger server = new SnepMessenger(false, serverSocket, MIU); 105 106 new Thread() { 107 @Override 108 public void run() { 109 try { 110 SnepServer.handleRequest(server, mCallback); 111 } catch (Exception e) { 112 Log.e(TAG, "error getting message", e); 113 } 114 }; 115 }.start(); 116 117 SnepMessage response = null; 118 try { 119 client.sendMessage(SnepMessage.getGetRequest(10, getSmallNdef())); 120 response = client.getMessage(); 121 } catch (SnepException e) { 122 throw new IOException("Failed to retrieve SNEP message", e); 123 } 124 125 assertNotNull(response); 126 assertEquals(SnepMessage.RESPONSE_EXCESS_DATA, response.getField()); 127 } 128 129 public void testPutSmallNdef() throws IOException { 130 MockLlcpSocket clientSocket = new MockLlcpSocket(); 131 MockLlcpSocket serverSocket = new MockLlcpSocket(); 132 MockLlcpSocket.bind(clientSocket, serverSocket); 133 134 final SnepMessenger client = new SnepMessenger(true, clientSocket, MIU); 135 final SnepMessenger server = new SnepMessenger(false, serverSocket, MIU); 136 137 new Thread() { 138 @Override 139 public void run() { 140 try { 141 SnepServer.handleRequest(server, mCallback); 142 } catch (Exception e) { 143 Log.e(TAG, "error getting message", e); 144 } 145 }; 146 }.start(); 147 148 SnepMessage response = null; 149 try { 150 client.sendMessage(SnepMessage.getPutRequest(getSmallNdef())); 151 response = client.getMessage(); 152 } catch (SnepException e) { 153 throw new IOException("Failed to retrieve SNEP message", e); 154 } 155 156 assertNotNull(response); 157 assertEquals(SnepMessage.RESPONSE_SUCCESS, response.getField()); 158 } 159 160 public void testPutLargeNdef() throws IOException { 161 MockLlcpSocket clientSocket = new MockLlcpSocket(); 162 MockLlcpSocket serverSocket = new MockLlcpSocket(); 163 MockLlcpSocket.bind(clientSocket, serverSocket); 164 165 final SnepMessenger client = new SnepMessenger(true, clientSocket, MIU); 166 final SnepMessenger server = new SnepMessenger(false, serverSocket, MIU); 167 168 new Thread() { 169 @Override 170 public void run() { 171 try { 172 SnepServer.handleRequest(server, mCallback); 173 } catch (Exception e) { 174 Log.e(TAG, "error getting message", e); 175 } 176 }; 177 }.start(); 178 179 SnepMessage response = null; 180 try { 181 client.sendMessage(SnepMessage.getPutRequest(getNdef(900))); 182 response = client.getMessage(); 183 } catch (SnepException e) { 184 throw new IOException("Failed to retrieve SNEP message", e); 185 } 186 187 assertNotNull(response); 188 assertEquals(SnepMessage.RESPONSE_SUCCESS, response.getField()); 189 } 190 191 public void testUnsupportedVersion() throws IOException { 192 MockLlcpSocket clientSocket = new MockLlcpSocket(); 193 MockLlcpSocket serverSocket = new MockLlcpSocket(); 194 MockLlcpSocket.bind(clientSocket, serverSocket); 195 196 final SnepMessenger client = new SnepMessenger(true, clientSocket, MIU); 197 final SnepMessenger server = new SnepMessenger(false, serverSocket, MIU); 198 199 new Thread() { 200 @Override 201 public void run() { 202 try { 203 SnepServer.handleRequest(server, mCallback); 204 } catch (Exception e) { 205 Log.e(TAG, "error getting message", e); 206 } 207 }; 208 }.start(); 209 210 SnepMessage response = null; 211 try { 212 NdefMessage ndef = getSmallNdef(); 213 SnepMessage request = new SnepMessage( 214 (byte)2, SnepMessage.REQUEST_PUT, ndef.toByteArray().length, 0, ndef); 215 client.sendMessage(request); 216 response = client.getMessage(); 217 } catch (SnepException e) { 218 throw new IOException("Failed to retrieve SNEP message", e); 219 } 220 221 assertNotNull(response); 222 assertEquals(SnepMessage.RESPONSE_UNSUPPORTED_VERSION, response.getField()); 223 } 224 225 public void testDifferentMinorVersion() throws IOException { 226 MockLlcpSocket clientSocket = new MockLlcpSocket(); 227 MockLlcpSocket serverSocket = new MockLlcpSocket(); 228 MockLlcpSocket.bind(clientSocket, serverSocket); 229 230 final SnepMessenger client = new SnepMessenger(true, clientSocket, MIU); 231 final SnepMessenger server = new SnepMessenger(false, serverSocket, MIU); 232 233 new Thread() { 234 @Override 235 public void run() { 236 try { 237 SnepServer.handleRequest(server, mCallback); 238 } catch (Exception e) { 239 Log.e(TAG, "error getting message", e); 240 } 241 }; 242 }.start(); 243 244 byte version = (0xF0 & (SnepMessage.VERSION_MAJOR << 4)) | 245 (0x0F & (SnepMessage.VERSION_MINOR + 1)); 246 SnepMessage response = null; 247 try { 248 NdefMessage ndef = getSmallNdef(); 249 SnepMessage request = new SnepMessage( 250 version, SnepMessage.REQUEST_PUT, ndef.toByteArray().length, 0, ndef); 251 client.sendMessage(request); 252 response = client.getMessage(); 253 } catch (SnepException e) { 254 throw new IOException("Failed to retrieve SNEP message", e); 255 } 256 257 assertNotNull(response); 258 assertEquals(SnepMessage.RESPONSE_SUCCESS, response.getField()); 259 } 260 261 NdefMessage getSmallNdef() { 262 NdefRecord rec = new NdefRecord(NdefRecord.TNF_ABSOLUTE_URI, NdefRecord.RTD_URI, 263 new byte[0], "http://android.com".getBytes()); 264 return new NdefMessage(new NdefRecord[] { rec }); 265 } 266 267 NdefMessage getNdef(int size) { 268 StringBuffer string = new StringBuffer(size); 269 for (int i = 0; i < size; i++) { 270 string.append('A' + (i % 26)); 271 } 272 NdefRecord rec = new NdefRecord(NdefRecord.TNF_MIME_MEDIA, "text/plain".getBytes(), 273 new byte[0], string.toString().getBytes()); 274 return new NdefMessage(new NdefRecord[] { rec }); 275 } 276 277 /** 278 * A SNEP Server implementation that accepts PUT requests for all ndef 279 * messages and responds to GET requests with acceptable length greater 280 * than or equal to 1024. 281 */ 282 final SnepServer.Callback mCallback = new SnepServer.Callback() { 283 private static final int GET_LENGTH = 1024; 284 285 @Override 286 public SnepMessage doPut(NdefMessage msg) { 287 return SnepMessage.getSuccessResponse(null); 288 } 289 290 @Override 291 public SnepMessage doGet(int acceptableLength, NdefMessage msg) { 292 if (GET_LENGTH <= acceptableLength) { 293 return SnepMessage.getSuccessResponse(getSmallNdef()); 294 } else { 295 return SnepMessage.getMessage(SnepMessage.RESPONSE_EXCESS_DATA); 296 } 297 } 298 }; 299 }
