benchmarks/drivers/Java/BlossomSprinkler/BlossomSprinkler.java

   1 package iotcode.BlossomSprinkler;
   2
   3 // Java Standard Packages
   4 import java.util.concurrent.Semaphore;
   5 import java.io.InputStreamReader;
   6 import java.io.BufferedReader;
   7 import java.io.PrintWriter;
   8 import java.io.ByteArrayInputStream;
   9 import java.util.List;
  10 import java.util.ArrayList;
  11 import java.util.Iterator;
  12 import java.util.Date;
  13 import java.util.Calendar;
  14 import java.text.DateFormat;
  15 import java.text.SimpleDateFormat;
  16 import java.util.concurrent.atomic.AtomicBoolean;
  17
  18 // import java.util.HashSet;
  19 // import java.util.Set;
  20
  21 // IoT Packages
  22 import iotruntime.IoTTCP;
  23 import iotruntime.IoTServerSocket;
  24 import iotruntime.slave.IoTDeviceAddress;
  25 import iotruntime.slave.IoTSet;
  26 import iotcode.annotation.*;
  27 import iotcode.interfaces.ZoneState;
  28 import iotcode.interfaces.Sprinkler;
  29
  30 //import iotchecker.qual.*;
  31
  32 /** Class BlossomSprinkler for the Blossom Sprinkler.
  33  *
  34  * @author      Ali Younis <ayounis @ uci.edu>
  35  * @version     1.0
  36  * @since       2016-05-2
  37  */
  38 public class BlossomSprinkler implements Sprinkler {
  39
  40     /*******************************************************************************************************************************************
  41     **  Constants
  42     *******************************************************************************************************************************************/
  43     public static final int NUMBER_OF_ZONES = 12;
  44
  45     @config IoTSet<IoTDeviceAddress> blossomSprAddressSet;
  46     @config IoTSet<IoTDeviceAddress> localAddressSet;
  47
  48     private IoTDeviceAddress deviceAddress = null;
  49     private IoTDeviceAddress localAddress = null;
  50     private String channelId = "";
  51     private Semaphore zoneStateMutex = new Semaphore(1);
  52     private List<ZoneState> zoneStates = new ArrayList<ZoneState>();
  53     private AtomicBoolean didEnd = new AtomicBoolean();
  54     private boolean didClose = false;
  55     private AtomicBoolean didInit = new AtomicBoolean(false);
  56
  57
  58     /*******************************************************************************************************************************************
  59     **  Threads
  60     *******************************************************************************************************************************************/
  61     private Thread workerThread = null;
  62     private Thread httpMonitorThread = null;
  63
  64
  65     public BlossomSprinkler(String _channelId) {
  66         channelId = _channelId;
  67     }
  68
  69     public void init() {
  70         if (didInit.compareAndSet(false, true) == false) {
  71             return; // already init
  72         }
  73
  74         // Get the address from the IoTSet
  75         Iterator itr = blossomSprAddressSet.iterator();
  76         deviceAddress = (IoTDeviceAddress)itr.next();
  77         System.out.println("Device address: " + deviceAddress.getAddress() + ":" + deviceAddress.getSourcePortNumber() + ":" +
  78                            deviceAddress.getDestinationPortNumber());
  79
  80         itr = localAddressSet.iterator();
  81         localAddress = (IoTDeviceAddress)itr.next();
  82         System.out.println("Local address: " + localAddress.getAddress() + ":" + localAddress.getSourcePortNumber() + ":" +
  83                            localAddress.getDestinationPortNumber());
  84
  85
  86         // create the correct number of zones for this controller
  87         for (int i = 0; i < NUMBER_OF_ZONES; i++) {
  88             //zoneStates.add(new ZoneState(i, false, 0));
  89                         ZoneState zTmp = new ZoneState();
  90                         zTmp.zoneNumber = i;
  91                         zTmp.onOffState = false;
  92                         zTmp.duration = 0;
  93             zoneStates.add(zTmp);
  94         }
  95
  96         // Launch the worker function in a separate thread.
  97         workerThread = new Thread(new Runnable() {
  98             public void run() {
  99                 workerMethod();
 100             }
 101         });
 102         workerThread.start();
 103
 104
 105         // Launch the http monitor function in a separate thread.
 106         httpMonitorThread = new Thread(new Runnable() {
 107             public void run() {
 108                 httpMonitorMethod();
 109             }
 110         });
 111         httpMonitorThread.start();
 112     }
 113
 114     public void setZone(int _zone, boolean _onOff, int _onDurationSeconds) {
 115         try {
 116             zoneStateMutex.acquire();
 117             for (ZoneState z : zoneStates) {
 118                 {
 119                     // We replaced methods with fields
 120                                 //z.zoneNumber, z.onOffState z.duration
 121                     //if (z.getZoneNumber() == _zone) {
 122                     if (z.zoneNumber == _zone) {
 123
 124                         // turn on or off the valve
 125                         if (z.onOffState != _onOff) {
 126                             z.onOffState = _onOff;
 127
 128                             if (_onOff) {
 129                                 openValue(_zone);
 130                             } else {
 131                                 closeValue(_zone);
 132                             }
 133                         }
 134
 135                         // update the duration if needed
 136                         if (z.duration != _onDurationSeconds) {
 137                             z.duration = _onDurationSeconds;
 138                         }
 139
 140                         // we found our sprinkler
 141                         break;
 142                     }
 143                 }
 144             }
 145         } catch (Exception e) {
 146             e.printStackTrace();
 147         }
 148
 149         // never forget to unlock
 150         zoneStateMutex.release();
 151     }
 152
 153     public List<ZoneState> getZoneStates() {
 154
 155         // make a copy so that they cannot mess with our list
 156         List<ZoneState> retList = new ArrayList<ZoneState>();
 157
 158         try {
 159             zoneStateMutex.acquire();
 160             for (ZoneState z : zoneStates) {
 161                 ZoneState n = new ZoneState();
 162                 n.zoneNumber = z.zoneNumber;
 163                 n.onOffState = z.onOffState;
 164                 n.duration = z.duration;
 165                 retList.add(n);
 166             }
 167         } catch (Exception e) {
 168             e.printStackTrace();
 169         }
 170
 171         // Never forget to release!
 172         zoneStateMutex.release();
 173         return retList;
 174     }
 175
 176
 177     public int getNumberOfZones() {
 178         return NUMBER_OF_ZONES;
 179     }
 180
 181     public boolean doesHaveZoneTimers() {
 182         return true;
 183     }
 184
 185     public void finalize() {
 186         if (!didClose) {
 187             endDriver();
 188         }
 189     }
 190
 191     /*******************************************************************************************************************************************
 192     **
 193     **  Helper Methods
 194     **
 195     *******************************************************************************************************************************************/
 196
 197     private void workerMethod() {
 198         while (didEnd.get() == false) {
 199
 200             try {
 201                 zoneStateMutex.acquire();
 202                 for (ZoneState z : zoneStates) {
 203                     if (z.onOffState) {
 204
 205                         // if on and time has expired then turn off
 206                         if (z.duration == 0) {
 207
 208                             // turn off and reset the zone to the off state parameters
 209                             closeValue(z.zoneNumber);
 210                             z.onOffState = false;
 211                             z.duration = 0;
 212                         } else if (z.duration > 0) {
 213
 214                             // decrement the time
 215                             z.duration = z.duration - 1;
 216                         }
 217                     }
 218                 }
 219             } catch (Exception e) {
 220                 e.printStackTrace();
 221             }
 222             zoneStateMutex.release();
 223
 224
 225
 226             try {
 227                 Thread.sleep(1000);
 228             } catch (Exception e) {
 229                 e.printStackTrace();
 230             }
 231         }
 232     }
 233
 234
 235     private void httpMonitorMethod() {
 236
 237         try {
 238
 239             // setup server socket
 240             IoTServerSocket serverSock = new IoTServerSocket(localAddress);
 241             serverSock.setReuseAddress(true);
 242
 243
 244             while (didEnd.get() == false) {
 245
 246                 // wait for someone to connect
 247                 IoTTCP recSock = serverSock.accept();
 248                 recSock.setReuseAddress(true);
 249                 System.out.println("got new connection");
 250
 251                 // open in and out streams
 252                 BufferedReader tcpIn = new BufferedReader(new InputStreamReader(recSock.getInputStream()));
 253                 PrintWriter tcpOut = new PrintWriter(recSock.getOutputStream());
 254
 255
 256
 257
 258                 System.out.println("Waiting For Data");
 259                 // wait for data to be ready
 260                 while (!tcpIn.ready()) {
 261                 }
 262
 263                 // wait a bit longer to get the whole packet
 264                 Thread.sleep(10);
 265
 266                 // put all the lines read into a list so we can read them 1 at a time
 267                 List<String> sList = new ArrayList<String>();
 268                 while (tcpIn.ready()) {
 269                     String s = tcpIn.readLine();
 270                     sList.add(s);
 271                 }
 272
 273                 // System.out.println("---------------------------------------------------------------------");
 274                 // System.out.println("---------------------------------------------------------------------");
 275                 // for (String s : sList) {
 276                 //     System.out.println(s);
 277                 // }
 278
 279
 280                 // get first line and check that it is a GET request
 281                 String line = sList.get(0);
 282                 if (line.startsWith("GET")) {
 283
 284                     if (!line.contains("firmware-check")) {
 285                         // this is an important request to take care of
 286
 287                         // get the date formatters
 288                         DateFormat df1 = new SimpleDateFormat("yyyy-MM-dd");
 289                         DateFormat df2 = new SimpleDateFormat("HH:mm:ss");
 290
 291                         // make the date
 292                         Date today = Calendar.getInstance().getTime();
 293                         String reportDate = df1.format(today);
 294                         reportDate += "T";
 295                         reportDate += df2.format(today);
 296
 297                         String body = "";
 298
 299                         // parse the packet and build the body
 300                         if (line.contains("/device/v1/server/")) {
 301                             body = "{\"stats_freq\": 3600, \"pn_keepalive\": 1, \"uap_debug\": 1, \"wave_boost\": 1, \"ota_freq\": 3600, \"current_time\":\"" + reportDate + "\", \"build\": 1042, \"opn_trip\": 40}";
 302                         } else if (line.contains("api") && line.contains("device") && line.contains(channelId)) {
 303                             body = "{\"channel\": \"channel_" + channelId + "\", \"current_time\": \"" + reportDate + "\", \"tz_offset\": -8.0, \"tz_seconds\": -28800, \"sch_load_time\": 24900, \"fetch_lead\": 3600}";
 304                         }
 305
 306                         // make the header and send
 307                         String response = "HTTP/1.1 200 OK\r\n";
 308                         response += "Allow: GET, HEAD, OPTIONS\r\n";
 309                         response += "Content-Type: application/json\r\n";
 310                         response += "Date: Sun, 08 May 2016 04:20:35 GMT\r\n";
 311                         response += "Server: nginx/1.4.6 (Ubuntu)\r\n";
 312                         response += "Vary: Accept, Cookie\r\n";
 313                         response += "Content-Length: " + body.length() + "\r\n";
 314                         // response += "Connection: keep-alive\r\n";
 315                         response += "Connection: Close\r\n";
 316                         response += "\r\n";
 317                         response += body;
 318                         tcpOut.print(response);
 319                         tcpOut.flush();
 320
 321                         // System.out.println(response);
 322
 323                     } else {
 324                         // not a request we want to take care of
 325
 326                         // send 404 error
 327                         String response = "HTTP/1.1 404 Not Found\r\n\r\n";
 328                         tcpOut.print(response);
 329                         tcpOut.flush();
 330                     }
 331                 }
 332
 333                 // close the connection
 334                 recSock.close();
 335             }
 336
 337             // close the socket
 338             serverSock.close();
 339         } catch (Exception e) {
 340             e.printStackTrace();
 341         }
 342     }
 343
 344     private void openValue(int _valveNum) {
 345
 346         try {
 347             String body = "{\"valve\":" + Integer.toString(_valveNum) + ",\"inverter\":1}";
 348             String postMessage = "POST /bloom/valve HTTP/1.1\r\n";
 349             postMessage += "Content-Type: application/json; charset=utf-8\r\n";
 350             postMessage += "Content-Length: " + Integer.toString(body.length()) + "\r\n";
 351             postMessage += "\r\n";
 352             postMessage += body;
 353
 354             IoTTCP connection = new IoTTCP(deviceAddress);
 355             connection.setReuseAddress(true);
 356
 357             // Get in and out communication
 358             PrintWriter tcpOut = new PrintWriter(connection.getOutputStream(), true);
 359             BufferedReader tcpIn = new BufferedReader(new InputStreamReader(connection.getInputStream()));
 360
 361             tcpOut.print(postMessage);
 362             tcpOut.flush();
 363
 364             // wait for data
 365             while (!tcpIn.ready()) {
 366             }
 367
 368             // Wait a bit longer for data
 369             Thread.sleep(10);
 370
 371             // get the response
 372             while (tcpIn.ready()) {
 373                 String answer = tcpIn.readLine();
 374                 System.out.println(answer);
 375             }
 376
 377             connection.close();
 378         } catch (Exception e) {
 379             e.printStackTrace();
 380         }
 381     }
 382
 383     private void closeValue(int _valveNum) {
 384
 385         try {
 386             String body = "{\"valve\":" + Integer.toString(_valveNum) + ",\"inverter\":0}";
 387             String postMessage = "POST /bloom/valve HTTP/1.1\r\n";
 388             postMessage += "Content-Type: application/json; charset=utf-8\r\n";
 389             postMessage += "Content-Length: " + Integer.toString(body.length()) + "\r\n";
 390             postMessage += "\r\n";
 391             postMessage += body;
 392
 393
 394             IoTTCP connection = new IoTTCP(deviceAddress);
 395             connection.setReuseAddress(true);
 396
 397             // Get in and out communication
 398             PrintWriter tcpOut = new PrintWriter(connection.getOutputStream(), true);
 399             BufferedReader tcpIn = new BufferedReader(new InputStreamReader(connection.getInputStream()));
 400
 401             tcpOut.print(postMessage);
 402             tcpOut.flush();
 403
 404             // wait for data
 405             while (!tcpIn.ready()) {
 406             }
 407
 408             // Wait a bit longer for data
 409             Thread.sleep(10);
 410
 411             // get the response
 412             while (tcpIn.ready()) {
 413                 String answer = tcpIn.readLine();
 414                 System.out.println(answer);
 415             }
 416
 417             connection.close();
 418         } catch (Exception e) {
 419             e.printStackTrace();
 420         }
 421     }
 422
 423     private void endDriver() {
 424         didClose = true;
 425         didEnd.set(true);
 426
 427         try {
 428             workerThread.join();
 429             httpMonitorThread.join();
 430         } catch (Exception e) {
 431             e.printStackTrace();
 432         }
 433     }
 434 }
 435
 436