Mercurial > 510ConnectbotMonitor
annotate src/com/five_ten_sg/connectbot/monitor/MonitorService.java @ 3:2be5bca648ab
switch to static functions
| author | Carl Byington <carl@five-ten-sg.com> |
|---|---|
| date | Mon, 23 Jun 2014 17:05:16 -0700 |
| parents | f6a1aabf384f |
| children | 46a9cdf018a1 |
| rev | line source |
|---|---|
| 0 | 1 package com.five_ten_sg.connectbot.monitor; |
| 2 | |
| 3 import java.io.IOException; | |
| 4 import java.io.InputStream; | |
| 5 import java.io.OutputStream; | |
| 6 import java.net.ServerSocket; | |
| 7 import java.net.Socket; | |
| 8 import java.util.concurrent.ArrayBlockingQueue; | |
| 9 import java.util.concurrent.BlockingQueue; | |
| 10 import java.util.concurrent.ConcurrentHashMap; | |
| 11 import java.util.Locale; | |
| 12 | |
| 13 import android.app.Activity; | |
| 14 import android.app.Service; | |
| 15 import android.content.Context; | |
| 16 import android.content.Intent; | |
| 17 import android.content.ServiceConnection; | |
| 18 import android.net.wifi.WifiManager.WifiLock; | |
| 19 import android.net.wifi.WifiManager; | |
| 20 import android.os.Binder; | |
| 21 import android.os.Bundle; | |
| 22 import android.os.Handler; | |
| 23 import android.os.IBinder; | |
| 24 import android.os.Message; | |
| 25 import android.os.PowerManager; | |
| 26 import android.speech.tts.TextToSpeech; | |
| 27 import android.speech.tts.TextToSpeech.OnInitListener; | |
| 28 import android.util.Log; | |
| 29 import android.widget.TextView; | |
| 30 | |
| 31 public class MonitorService extends Service implements OnInitListener { | |
| 32 public final static String TAG = "ConnectBot.MonitorService"; | |
| 33 | |
| 34 public static final char MONITOR_CMD_INIT = 0; | |
| 35 public static final char MONITOR_CMD_ACTIVATE = 1; | |
| 2 | 36 public static final char MONITOR_CMD_KEYSTATE = 2; |
| 0 | 37 public static final char MONITOR_CMD_CURSORMOVE = 3; |
| 38 public static final char MONITOR_CMD_SCREENCHANGE = 4; | |
| 39 public static final char MONITOR_CMD_FIELDVALUE = 5; | |
| 40 public static final char MONITOR_CMD_SETFIELD = 5; | |
| 41 public static final char MONITOR_CMD_GETFIELD = 6; | |
| 42 public static final char MONITOR_CMD_SCREENWATCH = 7; | |
| 2 | 43 public static final char MONITOR_CMD_DEPRESS = 8; |
| 0 | 44 |
| 45 public static final int MONITORPORT = 6000; | |
|
3
2be5bca648ab
switch to static functions
Carl Byington <carl@five-ten-sg.com>
parents:
2
diff
changeset
|
46 public static ConcurrentHashMap<Integer,CommunicationThread> clients = new ConcurrentHashMap<Integer,CommunicationThread>(); |
|
2be5bca648ab
switch to static functions
Carl Byington <carl@five-ten-sg.com>
parents:
2
diff
changeset
|
47 public static int currentConnection = -1; |
| 0 | 48 |
| 49 private boolean speech = false; | |
| 50 private TextToSpeech talker = null; | |
| 51 public Handler handler = null; | |
| 52 private ServerSocket serverSocket; | |
| 53 private Thread serverThread = null; | |
| 54 private WifiManager.WifiLock wifiLock; | |
| 55 private PowerManager.WakeLock wakeLock; | |
| 56 final private IBinder binder = new MonitorBinder(); | |
| 57 | |
| 58 | |
| 59 public class MonitorBinder extends Binder { | |
| 60 public MonitorService getService() { | |
| 61 return MonitorService.this; | |
| 62 } | |
| 63 } | |
| 64 | |
| 65 @Override | |
| 66 public void onInit(int status) { | |
| 67 if (status == TextToSpeech.SUCCESS) { | |
| 68 talker.setLanguage(Locale.US); | |
| 69 speech = true; | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 @Override | |
| 74 public void onCreate() { | |
| 75 WifiManager wMgr = (WifiManager) getSystemService(Context.WIFI_SERVICE); | |
| 76 wifiLock = wMgr.createWifiLock(WifiManager.WIFI_MODE_FULL, "MyWifiLock"); | |
| 77 wifiLock.acquire(); | |
| 78 | |
| 79 PowerManager pMgr = (PowerManager) getSystemService(Context.POWER_SERVICE); | |
| 80 wakeLock = pMgr.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "MyWakeLock"); | |
| 81 wakeLock.acquire(); | |
| 82 | |
| 83 talker = new TextToSpeech(this, this); | |
| 84 this.serverThread = new Thread(new ServerThread()); | |
| 85 this.serverThread.start(); | |
| 86 } | |
| 87 | |
| 88 @Override | |
| 89 public IBinder onBind(Intent intent) { | |
| 90 startService(new Intent(this, MonitorService.class)); | |
| 91 return binder; | |
| 92 } | |
| 93 | |
| 94 public void printer(String msg) { | |
| 95 if (handler != null) handler.sendMessage(handler.obtainMessage(MonitorActivity.MESSAGE_CODE_PRINT, msg)); | |
| 96 if (speech) talker.speak(msg, TextToSpeech.QUEUE_FLUSH, null); | |
| 97 } | |
| 98 | |
| 99 @Override | |
| 100 public int onStartCommand(Intent intent, int flags, int startId) { | |
| 101 Log.i(TAG, "service onStartCommand()"); | |
| 102 return START_STICKY; | |
| 103 } | |
| 104 | |
| 105 @Override | |
| 106 public void onDestroy() { | |
| 107 try { | |
| 108 Log.i(TAG, "service onDestroy()"); | |
| 109 talker.stop(); | |
| 110 talker.shutdown(); | |
| 111 wifiLock.release(); | |
| 112 wakeLock.release(); | |
| 113 serverSocket.close(); | |
| 114 } catch (IOException e) { | |
| 115 Log.e(TAG, "exception in onDestroy()", e); | |
| 116 } | |
| 117 super.onDestroy(); | |
| 118 } | |
| 119 | |
| 120 class ServerThread extends Thread { | |
| 121 public void run() { | |
| 122 Socket socket = null; | |
| 123 int connection = 0; | |
| 124 try { | |
| 125 serverSocket = new ServerSocket(MONITORPORT); | |
| 126 } catch (IOException e) { | |
| 127 Log.e(TAG, "exception in ServerThread.run(), cannot create listening socket", e); | |
| 128 return; | |
| 129 } | |
| 130 while (true) { | |
| 131 try{ | |
| 132 socket = serverSocket.accept(); | |
| 133 connection = connection + 1; | |
| 134 CommunicationThread commThread = new CommunicationThread(connection, socket); | |
| 135 clients.put(connection, commThread); | |
| 136 commThread.start(); | |
| 137 } catch (IOException e) { | |
| 138 Log.e(TAG, "exception in ServerThread.run(), listening socket closed", e); | |
| 139 break; | |
| 140 } | |
| 141 } | |
| 142 } | |
| 143 } | |
| 144 | |
| 145 class triple { | |
| 146 private int l, c; | |
| 147 private char[] b; | |
| 148 public triple(int l, int c, char[] b) { | |
| 149 this.l = l; | |
| 150 this.c = c; | |
| 151 this.b = b; | |
| 152 } | |
| 153 } | |
| 154 | |
| 155 class CommunicationThread extends Thread { | |
| 156 public int connection; | |
| 157 private Socket client_socket; | |
| 158 private InputStream client_in; | |
| 159 private OutputStream client_out; | |
| 160 private boolean is_closing = false; | |
| 161 private BlockingQueue<triple> queue = new ArrayBlockingQueue<triple>(1); | |
| 162 | |
| 163 public CommunicationThread(int handle, Socket socket) { | |
| 164 connection = handle; | |
| 165 client_socket = socket; | |
| 166 try { | |
| 167 client_in = client_socket.getInputStream(); | |
| 168 client_out = client_socket.getOutputStream(); | |
| 169 } catch (IOException e) { | |
| 170 Log.e(TAG, "exception in CommunicationThread() constructor, cannot get socket streams", e); | |
| 171 } | |
| 172 } | |
| 173 | |
| 174 public char[] bytesToChars(byte[] b, int len) { | |
| 175 char[] c = new char[len >> 1]; | |
| 176 int bp = 0; | |
| 177 for(int i = 0; i < c.length; i++) { | |
| 178 byte b1 = b[bp++]; | |
| 179 byte b2 = b[bp++]; | |
| 180 c[i] = (char) (((b1 & 0x00FF) << 8) + (b2 & 0x00FF)); | |
| 181 } | |
| 182 return c; | |
| 183 } | |
| 184 | |
| 185 public byte[] charsToBytes(char[] c) { | |
| 186 byte[] b = new byte[c.length << 1]; | |
| 187 int bp = 0; | |
| 188 for (int i=0; i<c.length; i++) { | |
| 189 b[bp++] = (byte) ((c[i] & 0xff00) >> 8); | |
| 190 b[bp++] = (byte) (c[i] & 0x00ff); | |
| 191 } | |
| 192 return b; | |
| 193 } | |
| 194 | |
| 195 public synchronized void clientWrite(char cmd, char[] c) { | |
| 196 try { | |
| 197 if (client_out != null) { | |
| 198 c[0] = (char)(c.length - 1); // number of chars following | |
| 199 c[1] = cmd; | |
| 200 Log.i(TAG, String.format("sending %d command", (int)cmd)); | |
| 201 client_out.write(charsToBytes(c)); | |
| 202 } | |
| 203 } | |
| 204 catch (IOException e) { | |
| 205 Log.e(TAG, "exception in monitorWrite()", e); | |
| 206 try { | |
| 207 client_out.close(); | |
| 208 } | |
| 209 catch (IOException ee) { | |
| 210 Log.e(TAG, "exception in monitorWrite() closing socket", ee); | |
| 211 } | |
| 212 client_out = null; | |
| 213 } | |
| 214 }; | |
| 215 | |
| 216 private char[] forceRead(int len) throws IOException { | |
| 217 int len2 = len*2; | |
| 218 int off = 0; | |
| 219 byte[] b = new byte[len2]; | |
| 220 while (off < len2) { | |
| 221 int l = client_in.read(b, off, len2-off); | |
| 222 if (l < 0) { | |
| 223 is_closing = true; | |
| 224 throw new IOException("eof"); | |
| 225 } | |
| 226 off += l; | |
| 227 } | |
| 228 return bytesToChars(b, len2); | |
| 229 } | |
| 230 | |
| 231 public void run() { | |
| 232 Log.i(TAG, String.format("CommunicationThread.run() client %d connected", connection)); | |
| 233 while (true) { | |
| 234 try { | |
| 235 char[] len = forceRead(1); | |
| 236 char[] packet = forceRead(len[0]); | |
| 237 char[] buf; | |
| 238 char cmd = packet[0]; | |
| 239 int plen = packet.length; | |
| 240 //Log.i(TAG, String.format("received %d command length %d", (int)cmd, plen)); | |
| 241 switch (cmd) { | |
| 242 case MONITOR_CMD_INIT: | |
| 243 buf = new char[plen-1]; | |
| 244 System.arraycopy(packet, 1, buf, 0, plen-1); | |
| 245 abandonGetField(connection); | |
| 246 teInit(connection, buf); | |
| 247 break; | |
| 248 case MONITOR_CMD_ACTIVATE: | |
| 249 abandonGetField(connection); | |
| 250 buf = new char[plen-3]; | |
| 251 System.arraycopy(packet, 3, buf, 0, plen-3); | |
| 252 teActivate(connection, packet[1], packet[2], buf); | |
| 253 break; | |
| 2 | 254 case MONITOR_CMD_KEYSTATE: |
| 255 teKeyState(connection, (packet[1] == 1)); | |
| 0 | 256 break; |
| 257 case MONITOR_CMD_CURSORMOVE: | |
| 258 teCursorMove(connection, packet[1], packet[2]); | |
| 259 break; | |
| 260 case MONITOR_CMD_SCREENCHANGE: | |
| 261 buf = new char[plen-3]; | |
| 262 System.arraycopy(packet, 3, buf, 0, plen-3); | |
| 263 teScreenChange(connection, packet[1], packet[2], buf); | |
| 264 break; | |
| 265 case MONITOR_CMD_FIELDVALUE: | |
| 266 buf = new char[plen-3]; | |
| 267 System.arraycopy(packet, 3, buf, 0, plen-3); | |
| 268 Log.i(TAG, String.format("teFieldValue %d line %d column %d b.len %d", connection, packet[1], packet[2], buf.length)); | |
| 269 queue.put(new triple(packet[1], packet[2], buf)); | |
| 270 break; | |
| 271 default: | |
| 272 break; | |
| 273 } | |
| 274 } catch (IOException e) { | |
| 275 if (!is_closing) Log.e(TAG, "exception in CommunicationThread.run()", e); | |
| 276 break; | |
| 277 } catch (InterruptedException e) { | |
| 278 Log.e(TAG, "exception in CommunicationThread.run()", e); | |
| 279 break; | |
| 280 } | |
| 281 } | |
| 282 Log.i(TAG, String.format("shutting down connection %d", connection)); | |
| 283 try { | |
| 284 if (client_in != null) client_in.close(); | |
| 285 if (client_out != null) client_out.close(); | |
| 286 if (client_socket != null) client_socket.close(); | |
| 287 } catch (IOException e) { | |
| 288 Log.e(TAG, "exception in CommunicationThread.run() closing sockets", e); | |
| 289 } | |
| 290 client_in = null; | |
| 291 client_out = null; | |
| 292 client_socket = null; | |
| 293 } | |
| 294 } | |
| 295 | |
| 296 private void abandonGetField(int except) { | |
| 297 for (CommunicationThread cm : clients.values()) { | |
| 298 if (cm.connection != except) { | |
| 299 cm.queue.offer(new triple(0, 0, new char[0])); | |
| 300 } | |
| 301 } | |
| 302 } | |
| 303 | |
| 304 | |
| 305 //////////////////////////////////////// | |
| 306 //// these functions run on the reader thread here and call your monitoring code | |
| 307 | |
| 308 public void teInit(int connection, char[] buf) { | |
| 309 String fn = new String(buf); | |
| 310 Log.i(TAG, String.format("teInit %d file %s", connection, fn)); | |
| 2 | 311 //printer(String.format("init %d %s", connection, fn)); |
| 0 | 312 } |
| 313 | |
| 314 public void teActivate(int connection, int lines, int columns, char[] buf) { | |
| 315 Log.i(TAG, String.format("teActivate %d", connection)); | |
| 2 | 316 //printer(String.format("activate %d lines %d columns %d b.len %d", connection, lines, columns, buf.length)); |
| 0 | 317 } |
| 318 | |
| 2 | 319 public void teKeyState(int connection, boolean down) { |
| 320 String d = (down) ? "yes" : "no"; | |
| 321 Log.i(TAG, String.format("teKeyState %d isdown %s", connection, d)); | |
| 322 //printer(String.format("keystate %d isdown %s", connection, d)); | |
| 0 | 323 } |
| 324 | |
| 325 public void teCursorMove(int connection, int l, int c) { | |
| 326 //Log.i(TAG, String.format("teCursorMove %d line %d column %d", connection, l, c)); | |
| 327 } | |
| 328 | |
| 329 public void teScreenChange(int connection, int lines, int columns, char[] buf) { | |
| 330 Log.i(TAG, String.format("teScreenChange %d lines %d columns %d b.len %d", connection, lines, columns, buf.length)); | |
| 331 } | |
| 332 | |
| 333 | |
| 334 //////////////////////////////////////// | |
| 335 //// these functions are called from your monitoring code thread | |
| 336 | |
|
3
2be5bca648ab
switch to static functions
Carl Byington <carl@five-ten-sg.com>
parents:
2
diff
changeset
|
337 public static void teSetField(int connection, int l, int c, char[] buf) { |
| 0 | 338 int len = buf.length; |
| 339 Log.i(TAG, String.format("teSetField %d request line %d column %d len %d", connection, l, c, len)); | |
| 340 CommunicationThread cm = clients.get(connection); | |
| 341 if (cm != null) { | |
| 342 char[] arg2 = new char[4 + len]; | |
| 343 arg2[2] = (char) (l & 0x0000ffff); | |
| 344 arg2[3] = (char) (c & 0x0000ffff); | |
| 345 int base = 4; | |
| 346 System.arraycopy(buf, 0, arg2, base, len); | |
| 347 cm.clientWrite(MONITOR_CMD_SETFIELD, arg2); | |
| 348 } | |
| 349 } | |
| 350 | |
|
3
2be5bca648ab
switch to static functions
Carl Byington <carl@five-ten-sg.com>
parents:
2
diff
changeset
|
351 public static char[] teGetField(int connection, int l, int c, int len) { |
| 0 | 352 Log.i(TAG, String.format("teGetField %d request line %d column %d len %d", connection, l, c, len)); |
| 353 CommunicationThread cm = clients.get(connection); | |
| 354 if (cm != null) { | |
| 355 char[] arg = new char[5]; | |
| 356 arg[2] = (char) (l & 0x0000ffff); | |
| 357 arg[3] = (char) (c & 0x0000ffff); | |
| 358 arg[4] = (char) (len & 0x0000ffff); | |
| 359 cm.queue.clear(); // we never have more than one outstanding getfield request on the connection | |
| 360 cm.clientWrite(MONITOR_CMD_GETFIELD, arg); | |
| 361 try { | |
| 362 triple t = cm.queue.take(); // wait for response | |
| 363 Log.i(TAG, String.format("teGetField %d response line %d column %d len %d", connection, t.l, t.c, t.b.length)); | |
| 364 return t.b; | |
| 365 } catch (InterruptedException e) { | |
| 366 Log.e(TAG, "exception in teGetField(), return empty string", e); | |
| 367 } | |
| 368 } | |
| 369 return new char[0]; | |
| 370 } | |
| 371 | |
|
3
2be5bca648ab
switch to static functions
Carl Byington <carl@five-ten-sg.com>
parents:
2
diff
changeset
|
372 public static void teScreenWatch(int connection, int l, int c, int len) { |
| 0 | 373 Log.i(TAG, String.format("teScreenWatch %d request line %d column %d len %d", connection, l, c, len)); |
| 374 CommunicationThread cm = clients.get(connection); | |
| 375 if (cm != null) { | |
| 376 char[] arg = new char[5]; | |
| 377 arg[2] = (char) (l & 0x0000ffff); | |
| 378 arg[3] = (char) (c & 0x0000ffff); | |
| 379 arg[4] = (char) (len & 0x0000ffff); | |
| 380 cm.clientWrite(MONITOR_CMD_GETFIELD, arg); | |
| 381 } | |
| 382 } | |
| 383 | |
|
3
2be5bca648ab
switch to static functions
Carl Byington <carl@five-ten-sg.com>
parents:
2
diff
changeset
|
384 public static void teSpeak(int connection, String msg, boolean flush) { |
| 0 | 385 if (speech) talker.speak(msg, (flush) ? TextToSpeech.QUEUE_FLUSH : TextToSpeech.QUEUE_ADD, null); |
| 386 } | |
| 2 | 387 |
| 388 public static void teDepress(int connection, int vk_key) { | |
| 389 // http://msdn.microsoft.com/en-us/library/windows/desktop/dd375731 | |
| 390 Log.i(TAG, String.format("teDepress %d, %d", connection, vk_key)); | |
| 391 CommunicationThread cm = clients.get(connection); | |
| 392 if (cm != null) { | |
| 393 char[] arg = new char[3]; | |
| 394 arg[2] = (char) (vk_key & 0x0000ffff); | |
| 395 cm.clientWrite(MONITOR_CMD_DEPRESS, arg); | |
| 396 } | |
| 397 } | |
| 0 | 398 } |