iotjava/iotruntime/master/IoTMaster.java

   1 package iotruntime.master;
   2
   3 import iotruntime.*;
   4 import iotruntime.slave.IoTAddress;
   5 import iotruntime.slave.IoTDeviceAddress;
   6 import iotruntime.messages.*;
   7
   8 // ASM packages
   9 import org.objectweb.asm.ClassReader;
  10 import org.objectweb.asm.ClassWriter;
  11 import org.objectweb.asm.ClassVisitor;
  12
  13 // Java packages
  14 import java.io.*;
  15 import java.util.*;
  16 import java.io.BufferedReader;
  17 import java.io.InputStream;
  18 import java.io.InputStreamReader;
  19 import java.io.File;
  20 import java.io.FileInputStream;
  21 import java.io.FileOutputStream;
  22 import java.io.OutputStream;
  23 import java.io.ObjectInputStream;
  24 import java.io.ObjectOutputStream;
  25 import java.io.IOException;
  26 import java.lang.ClassNotFoundException;
  27 import java.lang.Class;
  28 import java.lang.reflect.*;
  29 import java.net.Socket;
  30 import java.net.ServerSocket;
  31 import java.nio.ByteBuffer;
  32 import java.util.*;
  33 import static java.lang.Math.toIntExact;
  34
  35 /** Class IoTMaster is responsible to use ClassRuntimeInstrumenterMaster
  36  *  to instrument the controller/device bytecode and starts multiple
  37  *  IoTSlave running on different JVM's in a distributed fashion.
  38  *
  39  * @author      Rahmadi Trimananda <rahmadi.trimananda @ uci.edu>
  40  * @version     1.0
  41  * @since       2016-06-16
  42  */
  43 public final class IoTMaster {
  44
  45         /**
  46          * IoTMaster class properties
  47          * <p>
  48          * CommunicationHandler maintains the data structure for hostnames and ports
  49          * LoadBalancer assigns a job onto a host based on certain metrics
  50          */
  51         private CommunicationHandler commHan;
  52         private LoadBalancer lbIoT;
  53         private RouterConfig routerConfig;
  54         private ProcessJailConfig processJailConfig;
  55         private ObjectInitHandler objInitHand;
  56         private ObjectAddressInitHandler objAddInitHand;
  57         private String[] strObjectNames;
  58         // Now this can be either ClassRuntimeInstrumenterMaster or CRuntimeInstrumenterMaster
  59         private Map<String,Object> mapClassNameToCrim;
  60
  61         /**
  62          * These properties hold information of a certain object
  63          * at a certain time
  64          */
  65         private String strObjName;
  66         private String strObjClassName;
  67         private String strObjClassInterfaceName;
  68         private String strObjStubClsIntfaceName;
  69         private String strIoTMasterHostAdd;
  70         private String strIoTSlaveControllerHostAdd;
  71         private String strIoTSlaveObjectHostAdd;
  72         private Class[] arrFieldClasses;
  73         private Object[] arrFieldValues;
  74         private Socket filesocket;
  75
  76         /**
  77          * For connection with C++ IoTSlave
  78          */
  79         private ServerSocket serverSocketCpp;
  80         private Socket socketCpp;
  81         private BufferedInputStream inputCpp;
  82         private BufferedOutputStream outputCpp;
  83
  84         // Constants that are to be extracted from config file
  85         private static String STR_MASTER_MAC_ADD;
  86         private static String STR_IOT_CODE_PATH;
  87         private static String STR_CONT_PATH;
  88         private static String STR_RUNTIME_DIR;
  89         private static String STR_SLAVE_DIR;
  90         private static String STR_CLS_PATH;
  91         private static String STR_RMI_PATH;
  92         private static String STR_RMI_HOSTNAME;
  93         private static String STR_LOG_FILE_PATH;
  94         private static String STR_USERNAME;
  95         private static String STR_ROUTER_ADD;
  96         private static String STR_MONITORING_HOST;
  97         private static String STR_ZB_GATEWAY_ADDRESS;
  98         private static String STR_ZB_GATEWAY_PORT;
  99         private static String STR_ZB_IOTMASTER_PORT;
 100         private static String STR_JVM_INIT_HEAP_SIZE;
 101         private static String STR_JVM_MAX_HEAP_SIZE;
 102         private static String STR_LANGUAGE_CONTROLLER;
 103         private static String STR_SKEL_CLASS_SUFFIX;
 104         private static String STR_STUB_CLASS_SUFFIX;
 105         private static String STR_ACTIVATE_SANDBOXING;
 106         private static String STR_POLICY_ON;
 107         private static String STR_MAC_TO_IP_TRANSLATION;
 108         private static boolean BOOL_VERBOSE;
 109
 110         /**
 111          * IoTMaster class constants
 112          * <p>
 113          * Name constants - not to be configured by users
 114          */
 115         private static final String STR_IOT_MASTER_NAME = "IoTMaster";
 116         private static final String STR_CFG_FILE_EXT = ".config";
 117         private static final String STR_CLS_FILE_EXT = ".class";
 118         private static final String STR_JAR_FILE_EXT = ".jar";
 119         private static final String STR_MAC_POLICY_EXT = ".tomoyo.pol";
 120         private static final String STR_SHELL_FILE_EXT = ".sh";
 121         private static final String STR_SO_FILE_EXT = ".so";
 122         private static final String STR_ZIP_FILE_EXT = ".zip";
 123         private static final String STR_TCP_PROTOCOL = "tcp";
 124         private static final String STR_UDP_PROTOCOL = "udp";
 125         private static final String STR_TCPGW_PROTOCOL = "tcpgw";
 126         private static final String STR_NO_PROTOCOL = "nopro";
 127         private static final String STR_SELF_MAC_ADD = "00:00:00:00:00:00";
 128         private static final String STR_INTERFACE_CLS_CFG = "INTERFACE_CLASS";
 129         private static final String STR_INT_STUB_CLS_CFG = "INTERFACE_STUB_CLASS";
 130         private static final String STR_FILE_TRF_CFG = "ADDITIONAL_ZIP_FILE";
 131         private static final String STR_LANGUAGE = "LANGUAGE";
 132         private static final String STR_ADD_MAC_POL = "ADDITIONAL_MAC_POLICY";
 133         private static final String STR_YES = "Yes";
 134         private static final String STR_NO = "No";
 135         private static final String STR_JAVA = "Java";
 136         private static final String STR_CPP = "C++";
 137         private static final String STR_SSH = "ssh";
 138         private static final String STR_SCP = "scp";
 139         private static final String STR_IOTSLAVE_CPP = "./IoTSlave.o";
 140         private static final String STR_SHELL_HEADER = "#!/bin/sh";
 141         private static final String STR_JAVA_PATH = "/usr/bin/java";
 142         private static final String STR_MAC_POL_PATH = "tomoyo/";
 143         private static final String STR_TMP = "tmp";
 144         private static final String STR_ARP = "arp";
 145
 146         private static int INT_SIZE = 4;        // send length in the size of integer (4 bytes)
 147         private static final int INT_DNS_PORT = 53;
 148
 149         /**
 150          * Runtime class name constants - not to be configured by users
 151          */
 152         private static final String STR_REL_INSTRUMENTER_CLS = "iotruntime.master.RelationInstrumenter";
 153         private static final String STR_SET_INSTRUMENTER_CLS = "iotruntime.master.SetInstrumenter";
 154         private static final String STR_IOT_SLAVE_CLS = "iotruntime.slave.IoTSlave";
 155         private static final String STR_IOT_DEV_ADD_CLS = "IoTDeviceAddress";
 156         private static final String STR_IOT_ZB_ADD_CLS = "IoTZigbeeAddress";
 157         private static final String STR_IOT_ADD_CLS = "IoTAddress";
 158
 159         /**
 160          * Class constructor
 161          *
 162          */
 163         public IoTMaster(String[] argObjNms) {
 164
 165                 commHan = null;
 166                 lbIoT = null;
 167                 routerConfig = null;
 168                 processJailConfig = null;
 169                 objInitHand = null;
 170                 objAddInitHand = null;
 171                 strObjectNames = argObjNms;
 172                 strObjName = null;
 173                 strObjClassName = null;
 174                 strObjClassInterfaceName = null;
 175                 strObjStubClsIntfaceName = null;
 176                 strIoTMasterHostAdd = null;
 177                 strIoTSlaveControllerHostAdd = null;
 178                 strIoTSlaveObjectHostAdd = null;
 179                 arrFieldClasses = null;
 180                 arrFieldValues = null;
 181                 filesocket = null;
 182                 mapClassNameToCrim = null;
 183                 // Connection with C++ IoTSlave
 184                 serverSocketCpp = null;
 185                 socketCpp = null;
 186                 inputCpp = null;
 187                 outputCpp = null;
 188
 189                 STR_MASTER_MAC_ADD = null;
 190                 STR_IOT_CODE_PATH = null;
 191                 STR_CONT_PATH = null;
 192                 STR_RUNTIME_DIR = null;
 193                 STR_SLAVE_DIR = null;
 194                 STR_CLS_PATH = null;
 195                 STR_RMI_PATH = null;
 196                 STR_RMI_HOSTNAME = null;
 197                 STR_LOG_FILE_PATH = null;
 198                 STR_USERNAME = null;
 199                 STR_ROUTER_ADD = null;
 200                 STR_MONITORING_HOST = null;
 201                 STR_ZB_GATEWAY_ADDRESS = null;
 202                 STR_ZB_GATEWAY_PORT = null;
 203                 STR_ZB_IOTMASTER_PORT = null;
 204                 STR_JVM_INIT_HEAP_SIZE = null;
 205                 STR_JVM_MAX_HEAP_SIZE = null;
 206                 STR_LANGUAGE_CONTROLLER = null;
 207                 STR_ACTIVATE_SANDBOXING = null;
 208                 STR_POLICY_ON = null;
 209                 STR_MAC_TO_IP_TRANSLATION = null;
 210                 BOOL_VERBOSE = false;
 211         }
 212
 213         /**
 214          * A method to initialize CommunicationHandler, LoadBalancer, RouterConfig and ObjectInitHandler
 215          *
 216          * @return void
 217          */
 218         private void initLiveDataStructure() {
 219
 220                 commHan = new CommunicationHandler(BOOL_VERBOSE);
 221                 lbIoT = new LoadBalancer(BOOL_VERBOSE);
 222                 lbIoT.setupLoadBalancer();
 223                 routerConfig = new RouterConfig();
 224                 // Get MAC to IP translation either from /tmp/dhcp.leases or arp command
 225                 if (STR_MAC_TO_IP_TRANSLATION.equals(STR_TMP))
 226                         routerConfig.getAddressListTmp(STR_ROUTER_ADD);
 227                 else if (STR_MAC_TO_IP_TRANSLATION.equals(STR_ARP))
 228                         routerConfig.getAddressListArp(STR_ROUTER_ADD);
 229                 else
 230                         throw new Error("IoTMaster: Unknown value for STR_MAC_TO_IP_TRANSLATION: " + STR_MAC_TO_IP_TRANSLATION);
 231                 processJailConfig = new ProcessJailConfig();
 232                 objInitHand = new ObjectInitHandler(BOOL_VERBOSE);
 233                 objAddInitHand = new ObjectAddressInitHandler(BOOL_VERBOSE);
 234                 mapClassNameToCrim = new HashMap<String,Object>();
 235         }
 236
 237         /**
 238          * getPrintWriter() gets a new PrintWriter for a new object
 239          *
 240          * @param   strObjectName       String object name
 241          * @return  PrintWriter
 242          */
 243         private PrintWriter getPrintWriter(String strObjectName) {
 244
 245                 FileWriter fw = null;
 246                 try {
 247                         fw = new FileWriter(strObjectName);
 248                 } catch (IOException ex) {
 249                         ex.printStackTrace();
 250                 }
 251                 PrintWriter printWriter = new PrintWriter(new BufferedWriter(fw));
 252                 return printWriter;
 253         }
 254
 255         /**
 256          * A method to initialize constants from config file
 257          *
 258          * @return void
 259          */
 260         private void parseIoTMasterConfigFile() {
 261                 // Parse configuration file
 262                 Properties prop = new Properties();
 263                 String strCfgFileName = STR_IOT_MASTER_NAME + STR_CFG_FILE_EXT;
 264                 File file = new File(strCfgFileName);
 265                 FileInputStream fis = null;
 266                 try {
 267                         fis = new FileInputStream(file);
 268                         prop.load(fis);
 269                         fis.close();
 270                 } catch (IOException ex) {
 271                         System.out.println("IoTMaster: Error reading config file: " + strCfgFileName);
 272                         ex.printStackTrace();
 273                 }
 274                 // Initialize constants from config file
 275                 STR_MASTER_MAC_ADD = prop.getProperty("MAC_ADDRESS");
 276                 STR_IOT_CODE_PATH = prop.getProperty("IOT_CODE_PATH");
 277                 STR_CONT_PATH = prop.getProperty("CONTROLLERS_CODE_PATH");
 278                 STR_RUNTIME_DIR = prop.getProperty("RUNTIME_DIR");
 279                 STR_SLAVE_DIR = prop.getProperty("SLAVE_DIR");
 280                 STR_CLS_PATH = prop.getProperty("CLASS_PATH");
 281                 STR_RMI_PATH = prop.getProperty("RMI_PATH");
 282                 STR_RMI_HOSTNAME = prop.getProperty("RMI_HOSTNAME");
 283                 STR_LOG_FILE_PATH = prop.getProperty("LOG_FILE_PATH");
 284                 STR_USERNAME = prop.getProperty("USERNAME");
 285                 STR_ROUTER_ADD = prop.getProperty("ROUTER_ADD");
 286                 STR_MONITORING_HOST = prop.getProperty("MONITORING_HOST");
 287                 STR_ZB_GATEWAY_ADDRESS = prop.getProperty("ZIGBEE_GATEWAY_ADDRESS");
 288                 STR_ZB_GATEWAY_PORT = prop.getProperty("ZIGBEE_GATEWAY_PORT");
 289                 STR_ZB_IOTMASTER_PORT = prop.getProperty("ZIGBEE_IOTMASTER_PORT");
 290                 STR_JVM_INIT_HEAP_SIZE = prop.getProperty("JVM_INIT_HEAP_SIZE");
 291                 STR_JVM_MAX_HEAP_SIZE = prop.getProperty("JVM_MAX_HEAP_SIZE");
 292                 STR_SKEL_CLASS_SUFFIX = prop.getProperty("SKEL_CLASS_SUFFIX");
 293                 STR_STUB_CLASS_SUFFIX = prop.getProperty("STUB_CLASS_SUFFIX");
 294                 STR_ACTIVATE_SANDBOXING = prop.getProperty("ACTIVATE_SANDBOXING");
 295                 STR_POLICY_ON = prop.getProperty("POLICY_ON");
 296                 STR_MAC_TO_IP_TRANSLATION = prop.getProperty("MAC_TO_IP_TRANSLATION");
 297                 if(prop.getProperty("VERBOSE").equals(STR_YES)) {
 298                         BOOL_VERBOSE = true;
 299                 }
 300
 301                 RuntimeOutput.print("IoTMaster: Extracting information from config file: " + strCfgFileName, BOOL_VERBOSE);
 302                 RuntimeOutput.print("STR_MASTER_MAC_ADD=" + STR_MASTER_MAC_ADD, BOOL_VERBOSE);
 303                 RuntimeOutput.print("STR_IOT_CODE_PATH=" + STR_IOT_CODE_PATH, BOOL_VERBOSE);
 304                 RuntimeOutput.print("STR_CONT_PATH=" + STR_CONT_PATH, BOOL_VERBOSE);
 305                 RuntimeOutput.print("STR_RUNTIME_DIR=" + STR_RUNTIME_DIR, BOOL_VERBOSE);
 306                 RuntimeOutput.print("STR_SLAVE_DIR=" + STR_SLAVE_DIR, BOOL_VERBOSE);
 307                 RuntimeOutput.print("STR_CLS_PATH=" + STR_CLS_PATH, BOOL_VERBOSE);
 308                 RuntimeOutput.print("STR_RMI_PATH=" + STR_RMI_PATH, BOOL_VERBOSE);
 309                 RuntimeOutput.print("STR_RMI_HOSTNAME=" + STR_RMI_HOSTNAME, BOOL_VERBOSE);
 310                 RuntimeOutput.print("STR_LOG_FILE_PATH=" + STR_LOG_FILE_PATH, BOOL_VERBOSE);
 311                 RuntimeOutput.print("STR_USERNAME=" + STR_USERNAME, BOOL_VERBOSE);
 312                 RuntimeOutput.print("STR_ROUTER_ADD=" + STR_ROUTER_ADD, BOOL_VERBOSE);
 313                 RuntimeOutput.print("STR_MONITORING_HOST=" + STR_MONITORING_HOST, BOOL_VERBOSE);
 314                 RuntimeOutput.print("STR_ZB_GATEWAY_ADDRESS=" + STR_ZB_GATEWAY_ADDRESS, BOOL_VERBOSE);
 315                 RuntimeOutput.print("STR_ZB_GATEWAY_PORT=" + STR_ZB_GATEWAY_PORT, BOOL_VERBOSE);
 316                 RuntimeOutput.print("STR_ZB_IOTMASTER_PORT=" + STR_ZB_IOTMASTER_PORT, BOOL_VERBOSE);
 317                 RuntimeOutput.print("STR_JVM_INIT_HEAP_SIZE=" + STR_JVM_INIT_HEAP_SIZE, BOOL_VERBOSE);
 318                 RuntimeOutput.print("STR_JVM_MAX_HEAP_SIZE=" + STR_JVM_MAX_HEAP_SIZE, BOOL_VERBOSE);
 319                 RuntimeOutput.print("STR_SKEL_CLASS_SUFFIX=" + STR_SKEL_CLASS_SUFFIX, BOOL_VERBOSE);
 320                 RuntimeOutput.print("STR_STUB_CLASS_SUFFIX=" + STR_STUB_CLASS_SUFFIX, BOOL_VERBOSE);
 321                 RuntimeOutput.print("STR_ACTIVATE_SANDBOXING=" + STR_ACTIVATE_SANDBOXING, BOOL_VERBOSE);
 322                 RuntimeOutput.print("STR_POLICY_ON=" + STR_POLICY_ON, BOOL_VERBOSE);
 323                 RuntimeOutput.print("STR_MAC_TO_IP_TRANSLATION=" + STR_MAC_TO_IP_TRANSLATION, BOOL_VERBOSE);
 324                 RuntimeOutput.print("BOOL_VERBOSE=" + BOOL_VERBOSE, BOOL_VERBOSE);
 325                 RuntimeOutput.print("IoTMaster: Information extracted successfully!", BOOL_VERBOSE);
 326         }
 327
 328         /**
 329          * A method to parse information from a config file
 330          *
 331          * @param       strCfgFileName  Config file name
 332          * @param       strCfgField             Config file field name
 333          * @return      String
 334          */
 335         private String parseConfigFile(String strCfgFileName, String strCfgField) {
 336                 // Parse configuration file
 337                 Properties prop = new Properties();
 338                 File file = new File(strCfgFileName);
 339                 FileInputStream fis = null;
 340                 try {
 341                         fis = new FileInputStream(file);
 342                         prop.load(fis);
 343                         fis.close();
 344                 } catch (IOException ex) {
 345                         System.out.println("IoTMaster: Error reading config file: " + strCfgFileName);
 346                         ex.printStackTrace();
 347                 }
 348                 RuntimeOutput.print("IoTMaster: Reading " + strCfgField +
 349                         " from config file: " + strCfgFileName + " with value: " +
 350                         prop.getProperty(strCfgField, null), BOOL_VERBOSE);
 351                 // NULL is returned if the property isn't found
 352                 return prop.getProperty(strCfgField, null);
 353         }
 354
 355         /**
 356          * A method to send files from IoTMaster
 357          *
 358          * @param  filesocket File socket object
 359          * @param  sFileName  File name
 360          * @param  lFLength   File length
 361          * @return            void
 362          */
 363         private void sendFile(Socket filesocket, String sFileName, long lFLength) throws IOException {
 364
 365                 File file = new File(sFileName);
 366                 byte[] bytFile = new byte[toIntExact(lFLength)];
 367                 InputStream inFileStream = new FileInputStream(file);
 368
 369                 OutputStream outFileStream = filesocket.getOutputStream();
 370                 int iCount;
 371                 while ((iCount = inFileStream.read(bytFile)) > 0) {
 372                         outFileStream.write(bytFile, 0, iCount);
 373                 }
 374                 filesocket.close();
 375                 RuntimeOutput.print("IoTMaster: File sent!", BOOL_VERBOSE);
 376         }
 377
 378         /**
 379          * A method to create a thread
 380          *
 381          * @param  sSSHCmd    SSH command
 382          * @return            void
 383          */
 384         private void createThread(String sSSHCmd) throws IOException {
 385
 386                 // Start a new thread to start a new JVM
 387                 new Thread() {
 388                         Runtime runtime = Runtime.getRuntime();
 389                         Process process = runtime.exec(sSSHCmd);
 390                 }.start();
 391                 RuntimeOutput.print("Executing: " + sSSHCmd, BOOL_VERBOSE);
 392         }
 393
 394         /**
 395          * A method to send command from master and receive reply from slave
 396          *
 397          * @params  msgSend     Message object
 398          * @params  strPurpose  String that prints purpose message
 399          * @params  inStream    Input stream
 400          * @params  outStream   Output stream
 401          * @return  void
 402          */
 403         private void commMasterToSlave(Message msgSend, String strPurpose,
 404                 InputStream _inStream, OutputStream _outStream)
 405                         throws IOException, ClassNotFoundException {
 406
 407                 // Send message/command from master
 408                 ObjectOutputStream outStream = (ObjectOutputStream) _outStream;
 409                 outStream.writeObject(msgSend);
 410                 RuntimeOutput.print("IoTMaster: Send message: " + strPurpose, BOOL_VERBOSE);
 411
 412                 // Get reply from slave as acknowledgment
 413                 ObjectInputStream inStream = (ObjectInputStream) _inStream;
 414                 Message msgReply = (Message) inStream.readObject();
 415                 RuntimeOutput.print("IoTMaster: Reply message: " + msgReply.getMessage(), BOOL_VERBOSE);
 416         }
 417
 418         /**
 419          * A private method to instrument IoTSet device
 420          *
 421          * @params  strFieldIdentifier        String field name + object ID
 422          * @params  strFieldName              String field name
 423          * @params  strIoTSlaveObjectHostAdd  String slave host address
 424          * @params  inStream                  ObjectInputStream communication
 425          * @params  outStream                 ObjectOutputStream communication
 426          * @params  strLanguage                           String language
 427          * @return  void
 428          */
 429         private void instrumentIoTSetDevice(String strFieldIdentifier, String strObjName, String strFieldName, String strIoTSlaveObjectHostAdd,
 430                 InputStream inStream, OutputStream outStream, String strLanguage)
 431                         throws IOException, ClassNotFoundException, InterruptedException {
 432
 433                 // Get information from the set
 434                 List<Object[]> listObject = objAddInitHand.getFields(strFieldIdentifier);
 435         RuntimeOutput.print("IoTMaster: DEBUG: Getting into instrumentIoTSetDevice!", BOOL_VERBOSE);
 436                 // Create a new IoTSet
 437                 if(strLanguage.equals(STR_JAVA)) {
 438                         Message msgCrtIoTSet = new MessageCreateSetRelation(IoTCommCode.CREATE_NEW_IOTSET, strFieldName);
 439                         commMasterToSlave(msgCrtIoTSet, "Create new IoTSet for IoTDeviceAddress!", inStream, outStream);
 440                 } else
 441                         createNewIoTSetCpp(strFieldName, outStream, inStream);
 442                 int iRows = listObject.size();
 443                 RuntimeOutput.print("IoTMaster: Number of rows for IoTDeviceAddress: " + iRows, BOOL_VERBOSE);
 444                 // Transfer the address
 445                 for(int iRow=0; iRow<iRows; iRow++) {
 446                         arrFieldValues = listObject.get(iRow);
 447                         // Get device address - if 00:00:00:00:00:00 that means it needs the driver object address (self)
 448                         String strDeviceAddress = null;
 449                         String strDeviceAddressKey = null;
 450                         if (arrFieldValues[0].equals(STR_SELF_MAC_ADD)) {
 451                                 strDeviceAddress = strIoTSlaveObjectHostAdd;
 452                                 strDeviceAddressKey = strObjName + "-" + strIoTSlaveObjectHostAdd;
 453                         } else {
 454                                 strDeviceAddress = routerConfig.getIPFromMACAddress((String) arrFieldValues[0]);
 455                                 strDeviceAddressKey = strObjName + "-" + strDeviceAddress;
 456                         }
 457                         int iDestDeviceDriverPort = (int) arrFieldValues[1];
 458                         String strProtocol = (String) arrFieldValues[2];
 459                         // Check for wildcard feature
 460                         boolean bSrcPortWildCard = false;
 461                         boolean bDstPortWildCard = false;
 462                         if (arrFieldValues.length > 3) {
 463                                 bSrcPortWildCard = (boolean) arrFieldValues[3];
 464                                 bDstPortWildCard = (boolean) arrFieldValues[4];
 465                         }
 466                         // Add the port connection into communication handler - if it's not assigned yet
 467                         if (commHan.getComPort(strDeviceAddressKey) == null) {
 468                                 commHan.addPortConnection(strIoTSlaveObjectHostAdd, strDeviceAddressKey);
 469                         }
 470                         // Send address one by one
 471                         if(strLanguage.equals(STR_JAVA)) {
 472                                 Message msgGetIoTSetObj = null;
 473                                 if (bDstPortWildCard) {
 474                                         String strUniqueDev = strDeviceAddressKey + ":" + iRow;
 475                                         msgGetIoTSetObj = new MessageGetDeviceObject(IoTCommCode.GET_DEVICE_IOTSET_OBJECT,
 476                                                 strDeviceAddress, commHan.getAdditionalPort(strUniqueDev), iDestDeviceDriverPort, bSrcPortWildCard, bDstPortWildCard);
 477                                 } else
 478                                         msgGetIoTSetObj = new MessageGetDeviceObject(IoTCommCode.GET_DEVICE_IOTSET_OBJECT,
 479                                                 strDeviceAddress, commHan.getComPort(strDeviceAddressKey), iDestDeviceDriverPort, bSrcPortWildCard, bDstPortWildCard);
 480                                 commMasterToSlave(msgGetIoTSetObj, "Get IoTSet objects!", inStream, outStream);
 481                         } else
 482                                 getDeviceIoTSetObjectCpp(outStream, inStream, strDeviceAddress, commHan.getComPort(strDeviceAddressKey), iDestDeviceDriverPort,
 483                                         bSrcPortWildCard, bDstPortWildCard);
 484                 }
 485                 // Reinitialize IoTSet on device object
 486                 if(strLanguage.equals(STR_JAVA))
 487                         commMasterToSlave(new MessageSimple(IoTCommCode.REINITIALIZE_IOTSET_FIELD), "Reinitialize IoTSet fields!", inStream, outStream);
 488                 else
 489                         reinitializeIoTSetFieldCpp(outStream, inStream);
 490         }
 491
 492
 493         /**
 494          * A private method to instrument IoTSet Zigbee device
 495          *
 496          * @params  Map.Entry<String,Object>  Entry of map IoTSet instrumentation
 497          * @params  strFieldName              String field name
 498          * @params  strIoTSlaveObjectHostAdd  String slave host address
 499          * @params  inStream                  ObjectInputStream communication
 500          * @params  inStream                  ObjectOutputStream communication
 501          * @params  strLanguage                           String language
 502          * @return  void
 503          */
 504         private void instrumentIoTSetZBDevice(Map.Entry<String,Object> map, String strObjName, String strFieldName, String strIoTSlaveObjectHostAdd,
 505                 InputStream inStream, OutputStream outStream, String strLanguage)
 506                         throws IOException, ClassNotFoundException, InterruptedException {
 507
 508                 // Get information from the set
 509                 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
 510                 // Create a new IoTSet
 511                 if(strLanguage.equals(STR_JAVA)) {
 512                         Message msgCrtIoTSet = new MessageCreateSetRelation(IoTCommCode.CREATE_NEW_IOTSET, strFieldName);
 513                         commMasterToSlave(msgCrtIoTSet, "Create new IoTSet for IoTZigbeeAddress!", inStream, outStream);
 514                 } else  // TODO: will need to implement IoTSet Zigbee for C++ later
 515                         ;
 516                 // Prepare ZigbeeConfig
 517                 String strZigbeeGWAddress = routerConfig.getIPFromMACAddress(STR_ZB_GATEWAY_ADDRESS);
 518                 String strZigbeeGWAddressKey = strObjName + "-" + strZigbeeGWAddress;
 519                 int iZigbeeGWPort = Integer.parseInt(STR_ZB_GATEWAY_PORT);
 520                 int iZigbeeIoTMasterPort = Integer.parseInt(STR_ZB_IOTMASTER_PORT);
 521                 commHan.addDevicePort(iZigbeeIoTMasterPort);
 522                 ZigbeeConfig zbConfig = new ZigbeeConfig(strZigbeeGWAddress, iZigbeeGWPort, iZigbeeIoTMasterPort,
 523                         BOOL_VERBOSE);
 524                 // Add the port connection into communication handler - if it's not assigned yet
 525                 if (commHan.getComPort(strZigbeeGWAddressKey) == null) {
 526                         commHan.addPortConnection(strIoTSlaveObjectHostAdd, strZigbeeGWAddressKey);
 527                 }
 528                 int iRows = setInstrumenter.numberOfRows();
 529                 RuntimeOutput.print("IoTMaster: Number of rows for IoTZigbeeAddress: " + iRows, BOOL_VERBOSE);
 530                 // Transfer the address
 531                 for(int iRow=0; iRow<iRows; iRow++) {
 532                         arrFieldValues = setInstrumenter.fieldValues(iRow);
 533                         // Get device address
 534                         String strZBDevAddress = (String) arrFieldValues[0];
 535                         // Send policy to Zigbee gateway - TODO: Need to clear policy first?
 536                         zbConfig.setPolicy(strIoTSlaveObjectHostAdd, commHan.getComPort(strZigbeeGWAddressKey), strZBDevAddress);
 537                         // Send address one by one
 538                         if(strLanguage.equals(STR_JAVA)) {
 539                                 Message msgGetIoTSetZBObj = new MessageGetSimpleDeviceObject(IoTCommCode.GET_ZB_DEV_IOTSET_OBJECT, strZBDevAddress);
 540                                 commMasterToSlave(msgGetIoTSetZBObj, "Get IoTSet objects!", inStream, outStream);
 541                         } else  // TODO: Implement IoTSet Zigbee for C++
 542                                 ;
 543                 }
 544                 zbConfig.closeConnection();
 545                 // Reinitialize IoTSet on device object
 546                 commMasterToSlave(new MessageSimple(IoTCommCode.REINITIALIZE_IOTSET_FIELD), "Reinitialize IoTSet fields!", inStream, outStream);
 547         }
 548
 549
 550         /**
 551          * A private method to instrument IoTSet of addresses
 552          *
 553          * @params  strFieldIdentifier        String field name + object ID
 554          * @params  strFieldName              String field name
 555          * @params  inStream                  ObjectInputStream communication
 556          * @params  inStream                  ObjectOutputStream communication
 557          * @params  strLanguage                           String language
 558          * @return  void
 559          */
 560         private void instrumentIoTSetAddress(String strFieldIdentifier, String strFieldName,
 561                 InputStream inStream, OutputStream outStream, String strLanguage)
 562                         throws IOException, ClassNotFoundException, InterruptedException {
 563
 564                 // Get information from the set
 565                 List<Object[]> listObject = objAddInitHand.getFields(strFieldIdentifier);
 566                 // Create a new IoTSet
 567                 if(strLanguage.equals(STR_JAVA)) {
 568                         Message msgCrtIoTSet = new MessageCreateSetRelation(IoTCommCode.CREATE_NEW_IOTSET, strFieldName);
 569                         commMasterToSlave(msgCrtIoTSet, "Create new IoTSet for IoTAddress!", inStream, outStream);
 570                 } else
 571                         ;
 572                 int iRows = listObject.size();
 573                 RuntimeOutput.print("IoTMaster: Number of rows for IoTAddress: " + iRows, BOOL_VERBOSE);
 574                 // Transfer the address
 575                 for(int iRow=0; iRow<iRows; iRow++) {
 576                         arrFieldValues = listObject.get(iRow);
 577                         // Get device address
 578                         String strAddress = (String) arrFieldValues[0];
 579                         // Send address one by one
 580                         if(strLanguage.equals(STR_JAVA)) {
 581                                 Message msgGetIoTSetAddObj = new MessageGetSimpleDeviceObject(IoTCommCode.GET_ADD_IOTSET_OBJECT, strAddress);
 582                                 commMasterToSlave(msgGetIoTSetAddObj, "Get IoTSet objects!", inStream, outStream);
 583                         } else  // TODO: Implement IoTSet Address for C++
 584                                 ;
 585                 }
 586                 // Reinitialize IoTSet on device object
 587                 commMasterToSlave(new MessageSimple(IoTCommCode.REINITIALIZE_IOTSET_FIELD),
 588                                                                                         "Reinitialize IoTSet fields!", inStream, outStream);
 589         }
 590
 591
 592         /**
 593          * A private method to instrument an object on a specific machine and setting up policies
 594          *
 595          * @params  strFieldObjectID              String field object ID
 596          * @params  strObjControllerName          String object controller name
 597          * @params  strLanguage                           String language
 598          * @return  void
 599          */
 600         private void instrumentObject(String strFieldObjectID, String strObjControllerName, String strLanguage) throws IOException {
 601
 602                 // Extract the interface name for RMI
 603                 // e.g. ProximitySensorInterface, TempSensorInterface, etc.
 604                 String strObjCfgFile = STR_IOT_CODE_PATH + strObjClassName + "/" + strObjClassName + STR_CFG_FILE_EXT;
 605                 strObjClassInterfaceName = parseConfigFile(strObjCfgFile, STR_INTERFACE_CLS_CFG);
 606                 strObjStubClsIntfaceName = parseConfigFile(strObjCfgFile, STR_INT_STUB_CLS_CFG);
 607                 // Create an object name, e.g. ProximitySensorImplPS1
 608                 strObjName = strObjClassName + strFieldObjectID;
 609                 // Check first if host exists
 610                 if(commHan.objectExists(strObjName)) {
 611                         // If this object exists already ...
 612                         // Re-read IoTSlave object hostname for further reference
 613                         strIoTSlaveObjectHostAdd = commHan.getHostAddress(strObjName);
 614                         RuntimeOutput.print("IoTMaster: Object with name: " + strObjName + " has existed!", BOOL_VERBOSE);
 615                 } else {
 616                         // If this is a new object ... then create one
 617                         // Get host address for IoTSlave from LoadBalancer
 618                         strIoTSlaveObjectHostAdd = routerConfig.getIPFromMACAddress(lbIoT.selectHost());
 619                         if (strIoTSlaveControllerHostAdd == null)
 620                                 throw new Error("IoTMaster: Could not translate MAC to IP address! Please check the router's /tmp/dhcp.leases!");
 621                         RuntimeOutput.print("IoTMaster: Object name: " + strObjName, BOOL_VERBOSE);
 622                         // Add port connection and get port numbers
 623                         // Naming for objects ProximitySensor becomes ProximitySensor0, ProximitySensor1, etc.
 624                         commHan.addPortConnection(strIoTSlaveObjectHostAdd, strObjName);
 625                         commHan.addActiveControllerObject(strFieldObjectID, strObjName, strObjClassName, strObjClassInterfaceName,
 626                                 strObjStubClsIntfaceName, strIoTSlaveObjectHostAdd, arrFieldValues, arrFieldClasses);
 627                         // ROUTING POLICY: IoTMaster and device/controller object
 628                         // Master-slave communication
 629                         routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTMasterHostAdd,
 630                                 strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL, commHan.getComPort(strObjName));
 631                         // ROUTING POLICY: Send the same routing policy to both the hosts
 632                         routerConfig.configureHostMainPolicies(strIoTMasterHostAdd, strIoTMasterHostAdd,
 633                                 strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL, commHan.getComPort(strObjName));
 634                         routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTMasterHostAdd,
 635                                 strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL, commHan.getComPort(strObjName));
 636                         // Need to accommodate callback functions here - open ports for TCP
 637                         routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveControllerHostAdd,
 638                                 strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
 639                         routerConfig.configureHostMainPolicies(strIoTSlaveControllerHostAdd, strIoTSlaveControllerHostAdd,
 640                                 strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
 641                         routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveControllerHostAdd,
 642                                 strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
 643                         // Configure MAC policies for objects
 644                         if (STR_ACTIVATE_SANDBOXING.equals("Yes")) {
 645                                 // Read config file
 646                                 String strObjLanguage = readObjectLanguage(strObjName, strObjClassName);
 647                                 String strFileName = null;
 648                                 if(strObjLanguage.equals(STR_JAVA))
 649                                         strFileName = STR_MAC_POL_PATH + STR_JAVA + STR_MAC_POLICY_EXT;
 650                                 else
 651                                         strFileName = STR_MAC_POL_PATH + STR_CPP + STR_MAC_POLICY_EXT;
 652                                 processJailConfig.configureProcessJailDeviceDriverPolicies(strIoTSlaveObjectHostAdd, strObjName, strObjClassName,
 653                                         strFileName, strIoTMasterHostAdd, commHan.getComPort(strObjName), commHan.getRMIRegPort(strObjName),
 654                                         commHan.getRMIStubPort(strObjName));
 655                                 // Check for additional MAC policy
 656                                 String strMACConfigPath = STR_IOT_CODE_PATH + strObjClassName + "/";
 657                                 String strCfgFile = strMACConfigPath + strObjClassName + STR_CFG_FILE_EXT;
 658                                 String strAddMACPolicy = parseConfigFile(strCfgFile, STR_ADD_MAC_POL);
 659                                 if (strAddMACPolicy != null && strAddMACPolicy.equals("Yes"))
 660                                         processJailConfig.combineAdditionalMACPolicy(strMACConfigPath, strObjClassName, strIoTSlaveObjectHostAdd);
 661                                 processJailConfig.configureProcessJailContRMIPolicies(strObjControllerName, strIoTSlaveObjectHostAdd,
 662                                         commHan.getRMIRegPort(strObjName), commHan.getRMIStubPort(strObjName));
 663                         }
 664                         // Instrument the IoTSet declarations inside the class file
 665                         instrumentObjectIoTSet(strFieldObjectID, strLanguage);
 666                 }
 667                 // Send routing policy to router for controller object
 668                 // ROUTING POLICY: RMI communication - RMI registry and stub ports
 669                 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
 670                         STR_TCP_PROTOCOL, commHan.getRMIRegPort(strObjName));
 671                 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
 672                         STR_TCP_PROTOCOL, commHan.getRMIStubPort(strObjName));
 673                 // Send the same set of routing policies to compute nodes
 674                 routerConfig.configureHostMainPolicies(strIoTSlaveControllerHostAdd, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
 675                         STR_TCP_PROTOCOL, commHan.getRMIRegPort(strObjName));
 676                 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
 677                         STR_TCP_PROTOCOL, commHan.getRMIRegPort(strObjName));
 678                 routerConfig.configureHostMainPolicies(strIoTSlaveControllerHostAdd, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
 679                         STR_TCP_PROTOCOL, commHan.getRMIStubPort(strObjName));
 680                 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
 681                         STR_TCP_PROTOCOL, commHan.getRMIStubPort(strObjName));
 682         }
 683
 684
 685         /**
 686          * A private method to set router policies for IoTDeviceAddress objects
 687          *
 688          * @params  strFieldIdentifier        String field name + object ID
 689          * @params  Map.Entry<String,Object>  Entry of map IoTSet instrumentation
 690          * @params  strIoTSlaveObjectHostAdd  String slave host address
 691          * @return  void
 692          */
 693         private void setRouterPolicyIoTSetDevice(String strFieldIdentifier, Map.Entry<String,Object> map,
 694                 String strIoTSlaveObjectHostAdd) {
 695
 696                 // Get information from the set
 697                 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
 698                 int iRows = setInstrumenter.numberOfRows();
 699                 RuntimeOutput.print("IoTMaster: Number of rows for IoTDeviceAddress: " + iRows, BOOL_VERBOSE);
 700                 // Transfer the address
 701                 for(int iRow=0; iRow<iRows; iRow++) {
 702                         arrFieldValues = setInstrumenter.fieldValues(iRow);
 703                         objAddInitHand.addField(strFieldIdentifier, arrFieldValues);    // Save this for object instantiation
 704                         // Get device address - if 00:00:00:00:00:00 that means it needs the driver object address (self)
 705                         String strDeviceAddress = null;
 706                         String strDeviceAddressKey = null;
 707                         if (arrFieldValues[0].equals(STR_SELF_MAC_ADD)) {
 708                                 strDeviceAddress = strIoTSlaveObjectHostAdd;
 709                                 strDeviceAddressKey = strObjName + "-" + strIoTSlaveObjectHostAdd;
 710                         } else {        // Concatenate object name and IP address to give unique key - for a case where there is one device for multiple drivers
 711                                 strDeviceAddress = routerConfig.getIPFromMACAddress((String) arrFieldValues[0]);
 712                                 strDeviceAddressKey = strObjName + "-" + strDeviceAddress;
 713                         }
 714                         int iDestDeviceDriverPort = (int) arrFieldValues[1];
 715                         String strProtocol = (String) arrFieldValues[2];
 716                         // Add the port connection into communication handler - if it's not assigned yet
 717                         if (commHan.getComPort(strDeviceAddressKey) == null)
 718                                 commHan.addPortConnection(strIoTSlaveObjectHostAdd, strDeviceAddressKey);
 719                         boolean bDstPortWildCard = false;
 720                         // Recognize this and allocate different ports for it
 721                         if (arrFieldValues.length > 3) {
 722                                 bDstPortWildCard = (boolean) arrFieldValues[4];
 723                                 if (bDstPortWildCard) { // This needs a unique source port
 724                                         String strUniqueDev = strDeviceAddressKey + ":" + iRow;
 725                                         commHan.addAdditionalPort(strUniqueDev);
 726                                 }
 727                         }
 728                         // Send routing policy to router for device drivers and devices
 729                         // ROUTING POLICY: RMI communication - RMI registry and stub ports
 730                         if((iDestDeviceDriverPort == -1) && (!strProtocol.equals(STR_NO_PROTOCOL))) {
 731                                 // Port number -1 means that we don't set the policy strictly to port number level
 732                                 // "nopro" = no protocol specified for just TCP or just UDP (can be both used as well)
 733                                 // ROUTING POLICY: Device driver and device
 734                                 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveObjectHostAdd, strDeviceAddress, strProtocol);
 735                                 // ROUTING POLICY: Send to the compute node where the device driver is
 736                                 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveObjectHostAdd, strDeviceAddress, strProtocol);
 737                         } else if((iDestDeviceDriverPort == -1) && (strProtocol.equals(STR_NO_PROTOCOL))) {
 738                                 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveObjectHostAdd, strDeviceAddress);
 739                                 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveObjectHostAdd, strDeviceAddress);
 740                         } else if(strProtocol.equals(STR_TCPGW_PROTOCOL)) {
 741                                 // This is a TCP protocol that connects, e.g. a phone to our runtime system
 742                                 // that provides a gateway access (accessed through destination port number)
 743                                 commHan.addDevicePort(iDestDeviceDriverPort);
 744                                 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveObjectHostAdd, strDeviceAddress, STR_TCP_PROTOCOL, iDestDeviceDriverPort);
 745                                 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveObjectHostAdd, strDeviceAddress, STR_TCP_PROTOCOL, iDestDeviceDriverPort);
 746                                 routerConfig.configureRouterHTTPPolicies(STR_ROUTER_ADD, strIoTSlaveObjectHostAdd, strDeviceAddress);
 747                                 routerConfig.configureHostHTTPPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveObjectHostAdd, strDeviceAddress);
 748                                 // Configure MAC policies
 749                                 if (STR_ACTIVATE_SANDBOXING.equals("Yes"))
 750                                         processJailConfig.configureProcessJailGWDevicePolicies(strIoTSlaveObjectHostAdd, STR_ROUTER_ADD, strDeviceAddress, INT_DNS_PORT);
 751                         } else {
 752                                 // Other port numbers...
 753                                 commHan.addDevicePort(iDestDeviceDriverPort);
 754                                 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveObjectHostAdd, strDeviceAddress, strProtocol,
 755                                         commHan.getComPort(strDeviceAddressKey), iDestDeviceDriverPort);
 756                                 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveObjectHostAdd, strDeviceAddress, strProtocol,
 757                                         commHan.getComPort(strDeviceAddressKey), iDestDeviceDriverPort);
 758                                 // Configure MAC policies
 759                                 if (STR_ACTIVATE_SANDBOXING.equals("Yes"))
 760                                         processJailConfig.configureProcessJailDevicePolicies(strIoTSlaveObjectHostAdd, strProtocol,
 761                                                 commHan.getComPort(strDeviceAddressKey), strDeviceAddress, iDestDeviceDriverPort);
 762                         }
 763                 }
 764         }
 765
 766         /**
 767          * A private method to set router policies for IoTAddress objects
 768          *
 769          * @params  strFieldIdentifier        String field name + object ID
 770          * @params  Map.Entry<String,Object>  Entry of map IoTSet instrumentation
 771          * @params  strHostAddress            String host address
 772          * @return  void
 773          */
 774         private void setRouterPolicyIoTSetAddress(String strFieldIdentifier, Map.Entry<String,Object> map,
 775                 String strHostAddress, String strControllerName) {
 776
 777                 // Get information from the set
 778                 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
 779                 int iRows = setInstrumenter.numberOfRows();
 780                 RuntimeOutput.print("IoTMaster: Number of rows for IoTAddress: " + iRows, BOOL_VERBOSE);
 781                 // Transfer the address
 782                 for(int iRow=0; iRow<iRows; iRow++) {
 783                         arrFieldValues = setInstrumenter.fieldValues(iRow);
 784                         objAddInitHand.addField(strFieldIdentifier, arrFieldValues);    // Save this for object instantiation
 785                         // Get device address
 786                         String strAddress = (String) arrFieldValues[0];
 787                         // Setting up router policies for HTTP/HTTPs
 788                         if (STR_ACTIVATE_SANDBOXING.equals("Yes")) {
 789                                 if (strControllerName != null) {
 790                                         processJailConfig.configureProcessJailInetAddressPolicies(strControllerName, STR_ROUTER_ADD, strAddress);
 791                                 } else {
 792                                         processJailConfig.configureProcessJailInetAddressPolicies(strHostAddress, STR_ROUTER_ADD, strAddress);
 793                                 }
 794                         }
 795                         routerConfig.configureRouterHTTPPolicies(STR_ROUTER_ADD, strHostAddress, strAddress);
 796                         routerConfig.configureHostHTTPPolicies(strHostAddress, strHostAddress, strAddress);
 797                 }
 798         }
 799
 800         /**
 801          * A private method to instrument an object's IoTSet and IoTRelation field to up policies
 802          * <p>
 803          * Mostly the IoTSet fields would contain IoTDeviceAddress objects
 804          *
 805          * @params  strFieldObjectID    String field object ID
 806          * @params  strLanguage                 String language
 807          * @return  void
 808          */
 809         private void instrumentObjectIoTSet(String strFieldObjectID, String strLanguage) throws IOException {
 810
 811                 // If this is a new object ... then create one
 812                 // Instrument the class source code and look for IoTSet for device addresses
 813                 // e.g. @config private IoTSet<IoTDeviceAddress> lb_addresses;
 814                 HashMap<String,Object> hmObjectFieldObjects = null;
 815                 if(strLanguage.equals(STR_JAVA)) {
 816                         String strObjectClassNamePath = STR_IOT_CODE_PATH + strObjClassName + "/" + strObjClassName + STR_CLS_FILE_EXT;
 817                         FileInputStream fis = new FileInputStream(strObjectClassNamePath);
 818                         ClassReader cr = new ClassReader(fis);
 819                         ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
 820                         // We need Object ID to instrument IoTDeviceAddress
 821                         ClassRuntimeInstrumenterMaster crim = new ClassRuntimeInstrumenterMaster(cw, strFieldObjectID, BOOL_VERBOSE);
 822                         cr.accept(crim, 0);
 823                         fis.close();
 824                         mapClassNameToCrim.put(strObjClassName + strFieldObjectID, crim);
 825                         hmObjectFieldObjects = crim.getFieldObjects();
 826                 } else {        // For C++
 827                         String strObjectClassNamePath = STR_IOT_CODE_PATH + strObjClassName + "/" + strObjClassName + STR_CFG_FILE_EXT;
 828                         CRuntimeInstrumenterMaster crim = new CRuntimeInstrumenterMaster(strObjectClassNamePath, strFieldObjectID, BOOL_VERBOSE);
 829                         mapClassNameToCrim.put(strObjClassName + strFieldObjectID, crim);
 830                         hmObjectFieldObjects = crim.getFieldObjects();
 831                 }
 832                 // Get the object and the class names
 833                 // Build objects for IoTSet and IoTRelation fields in the device object classes
 834                 RuntimeOutput.print("IoTMaster: Going to instrument for " + strObjClassName + " with objectID " +
 835                         strFieldObjectID, BOOL_VERBOSE);
 836                 for(Map.Entry<String,Object> map : hmObjectFieldObjects.entrySet()) {
 837                         RuntimeOutput.print("IoTMaster: Object name: " + map.getValue().getClass().getName(), BOOL_VERBOSE);
 838                         // Iterate over HashMap and choose between processing
 839                         String strFieldName = map.getKey();
 840                         String strClassName = map.getValue().getClass().getName();
 841                         String strFieldIdentifier = strFieldName + strFieldObjectID;
 842                         if(strClassName.equals(STR_SET_INSTRUMENTER_CLS)) {
 843                                 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
 844                                 if(setInstrumenter.getObjTableName().equals(STR_IOT_DEV_ADD_CLS)) {
 845                                 // Instrument the normal IoTDeviceAddress
 846                                         setRouterPolicyIoTSetDevice(strFieldIdentifier, map, strIoTSlaveObjectHostAdd);
 847                                 } else if(setInstrumenter.getObjTableName().equals(STR_IOT_ADD_CLS)) {
 848                                 // Instrument the IoTAddress
 849                                         setRouterPolicyIoTSetAddress(strFieldIdentifier, map, strIoTSlaveObjectHostAdd, null);
 850                                 } else if(setInstrumenter.getObjTableName().equals(STR_IOT_ZB_ADD_CLS)) {
 851                                 // Instrument the IoTZigbeeAddress - special feature for Zigbee device support
 852                                         RuntimeOutput.print("IoTMaster: IoTZigbeeAddress found! No router policy is set here..",
 853                                                 BOOL_VERBOSE);
 854                                 } else {
 855                                         String strErrMsg = "IoTMaster: Device driver object" +
 856                                                                                 " can only have IoTSet<IoTAddress>, IoTSet<IoTDeviceAddress>," +
 857                                                                                 " or IoTSet<IoTZigbeeAddress>!";
 858                                         throw new Error(strErrMsg);
 859                                 }
 860                         } else {
 861                                 String strErrMsg = "IoTMaster: Device driver object can only have IoTSet for addresses!";
 862                                 throw new Error(strErrMsg);
 863                         }
 864                 }
 865         }
 866
 867
 868         /**
 869          * A private method to send files to a Java slave driver
 870          *
 871          * @params  serverSocket                                ServerSocket
 872          * @params  _inStream                                   InputStream
 873          * @params  _outStream                                  OutputStream
 874          * @params  strObjName                                  String
 875          * @params  strObjClassName                             String
 876          * @params  strObjClassInterfaceName    String
 877          * @params  strObjStubClsIntfaceName    String
 878          * @params  strIoTSlaveObjectHostAdd    String
 879          * @params  strFieldObjectID                    String
 880          * @params  arrFieldValues                              Object[]
 881          * @params  arrFieldClasses                             Class[]
 882          * @return  void
 883          */
 884         private void sendFileToJavaSlaveDriver(ServerSocket serverSocket, InputStream _inStream, OutputStream _outStream,
 885                 String strObjName, String strObjClassName, String strObjClassInterfaceName, String strObjStubClsIntfaceName,
 886                 String strIoTSlaveObjectHostAdd, String strFieldObjectID, Object[] arrFieldValues, Class[] arrFieldClasses)
 887                         throws IOException, ClassNotFoundException {
 888
 889                 ObjectInputStream inStream = (ObjectInputStream) _inStream;
 890                 ObjectOutputStream outStream = (ObjectOutputStream) _outStream;
 891                 // Create message to transfer file first
 892                 String sFileName = strObjClassName + STR_JAR_FILE_EXT;
 893                 String sPath = STR_IOT_CODE_PATH + strObjClassName + "/" + sFileName;
 894                 File file = new File(sPath);
 895                 commMasterToSlave(new MessageSendFile(IoTCommCode.TRANSFER_FILE, sFileName, file.length()),
 896                         "Sending file!", inStream, outStream);
 897                 // Send file - JAR file for object creation
 898                 sendFile(serverSocket.accept(), sPath, file.length());
 899                 Message msgReply = (Message) inStream.readObject();
 900                 RuntimeOutput.print("IoTMaster: Reply message: " + msgReply.getMessage(), BOOL_VERBOSE);
 901                 // Pack object information to create object on a IoTSlave
 902                 Message msgObjIoTSlave = new MessageCreateObject(IoTCommCode.CREATE_OBJECT, strIoTSlaveObjectHostAdd,
 903                         strObjClassName, strObjName, strObjClassInterfaceName, strObjStubClsIntfaceName, commHan.getRMIRegPort(strObjName),
 904                         commHan.getRMIStubPort(strObjName), arrFieldValues, arrFieldClasses);
 905                 // Send message
 906                 commMasterToSlave(msgObjIoTSlave, "Sending object information", inStream, outStream);
 907         }
 908
 909
 910         /**
 911          * A private method to send files to a Java slave driver
 912          *
 913          * @return  void
 914          */
 915         private void sendFileToCppSlaveDriver(String strObjClassName, String strIoTSlaveObjectHostAdd)
 916                         throws IOException, ClassNotFoundException {
 917
 918                 // Create message to transfer file first
 919                 String sFileName = strObjClassName + STR_ZIP_FILE_EXT;
 920                 String sFile = STR_IOT_CODE_PATH + strObjClassName + "/" + sFileName;
 921                 String strCmdSend = STR_SCP + " " + sFile + " " + STR_USERNAME + strIoTSlaveObjectHostAdd + ":" + STR_SLAVE_DIR;
 922                 runCommand(strCmdSend);
 923                 RuntimeOutput.print("IoTMaster: Executing: " + strCmdSend, BOOL_VERBOSE);
 924                 // Unzip file
 925                 String strCmdUnzip = STR_SSH + " " + STR_USERNAME + strIoTSlaveObjectHostAdd + " cd " +
 926                                         STR_SLAVE_DIR + " sudo unzip -o " + sFileName + ";";
 927                 runCommand(strCmdUnzip);
 928                 RuntimeOutput.print("IoTMaster: Executing: " + strCmdUnzip, BOOL_VERBOSE);
 929
 930         }
 931
 932
 933         /**
 934          * Construct command line for Java IoTSlave
 935          *
 936          * @return       String
 937          */
 938         private String getCmdJavaDriverIoTSlave(String strIoTMasterHostAdd, String strIoTSlaveObjectHostAdd, String strObjName) {
 939
 940                 // Create an Shell executable
 941                 String strJavaCommand = STR_SHELL_HEADER + "\nexec sudo " + STR_JAVA_PATH + " " + STR_CLS_PATH + " " + STR_RMI_PATH + " " +
 942                         STR_RMI_HOSTNAME + strIoTSlaveObjectHostAdd + " " + STR_IOT_SLAVE_CLS + " " + strIoTMasterHostAdd + " " +
 943                         commHan.getComPort(strObjName) + " " + commHan.getRMIRegPort(strObjName) + " " +
 944                         commHan.getRMIStubPort(strObjName) + " > " + STR_LOG_FILE_PATH + strObjName + ".log &";
 945                 String shellFile = "./" + strObjName + STR_SHELL_FILE_EXT;
 946                 createWrapperShellScript(strJavaCommand, shellFile);
 947                 // Send the file to the compute node
 948                 String strCmdSend = STR_SCP + " " + shellFile + " " + STR_USERNAME + strIoTSlaveObjectHostAdd + ":" + STR_RUNTIME_DIR;
 949                 runCommand(strCmdSend);
 950                 RuntimeOutput.print("IoTMaster: Sending shell file: " + strCmdSend, BOOL_VERBOSE);
 951                 return STR_SSH + " " + STR_USERNAME + strIoTSlaveObjectHostAdd + " cd " + STR_RUNTIME_DIR + " " + shellFile;
 952         }
 953
 954
 955         /**
 956          * Construct command line for C++ IoTSlave
 957          *
 958          * @return       String
 959          */
 960         private String getCmdCppDriverIoTSlave(String strIoTMasterHostAdd, String strIoTSlaveObjectHostAdd, String strObjName) {
 961
 962                 // Create an Shell executable
 963                 String strCppCommand =  STR_SHELL_HEADER + "\ncd " + STR_SLAVE_DIR + " exec sudo " + STR_IOTSLAVE_CPP + " " +
 964                             strIoTMasterHostAdd + " " + commHan.getComPort(strObjName) + " " + strObjName;
 965                 String shellFile = "./" + strObjName + STR_SHELL_FILE_EXT;
 966                 createWrapperShellScript(strCppCommand, shellFile);
 967                 // Send the file to the compute node
 968                 String strCmdSend = STR_SCP + " " + shellFile + " " + STR_USERNAME + strIoTSlaveObjectHostAdd + ":" + STR_RUNTIME_DIR;
 969                 runCommand(strCmdSend);
 970                 RuntimeOutput.print("IoTMaster: Sending shell file: " + strCmdSend, BOOL_VERBOSE);
 971                 return STR_SSH + " " + STR_USERNAME + strIoTSlaveObjectHostAdd + " cd " + STR_RUNTIME_DIR + " " + shellFile;
 972         }
 973
 974
 975         /**
 976          * createWrapperShellScript() gets a wrapper shell script
 977          *
 978          * @param   strCommand          String command
 979          * @param   strObjectName       String object name
 980          * @return  PrintWriter
 981          */
 982         private void createWrapperShellScript(String strCommand, String strFileName) {
 983
 984                 PrintWriter printWriter = getPrintWriter(strFileName);
 985                 printWriter.println(strCommand);
 986                 printWriter.close();
 987                 runCommand("chmod 755 " + strFileName);
 988         }
 989
 990         /**
 991          * A private method to read the language of the object, i.e. driver
 992          *
 993          * @params  strObjName                                  String object name
 994          * @params  strObjClassName                     String object class name
 995          * @return  String
 996          */
 997     private String readObjectLanguage(String strObjName, String strObjClassName) {
 998
 999                 // Read config file
1000                 String sCfgFile = STR_IOT_CODE_PATH + strObjClassName + "/" + strObjClassName + STR_CFG_FILE_EXT;
1001                 String strLanguageDriver = parseConfigFile(sCfgFile, STR_LANGUAGE + "_" + strObjName);
1002                 if(strLanguageDriver == null)   // Read just the field LANGUAGE if the first read is null
1003                         strLanguageDriver = parseConfigFile(sCfgFile, STR_LANGUAGE);
1004                 if(strLanguageDriver == null) // Check nullness for the second time - report if it is still null
1005                         throw new Error("IoTMaster: Language specification missing in config file: " + sCfgFile);
1006
1007                 return strLanguageDriver;
1008     }
1009
1010         /**
1011          * A private method to create an object on a specific machine
1012          *
1013          * @params  strObjName                                  String object name
1014          * @params  strObjClassName                     String object class name
1015          * @params  strObjClassInterfaceName    String object class interface name
1016          * @params  strIoTSlaveObjectHostAdd    String IoTSlave host address
1017          * @params  strFieldObjectID                    String field object ID
1018          * @params  arrFieldValues                              Array of field values
1019          * @params  arrFieldClasses                             Array of field classes
1020          * @return  void
1021          */
1022         private void createObject(String strObjName, String strObjClassName, String strObjClassInterfaceName, String strObjStubClsIntfaceName,
1023                 String strIoTSlaveObjectHostAdd, String strFieldObjectID, Object[] arrFieldValues, Class[] arrFieldClasses)
1024                 throws IOException, FileNotFoundException, ClassNotFoundException, InterruptedException {
1025
1026                 // Read config file
1027                 String strLanguageDriver = readObjectLanguage(strObjName, strObjClassName);
1028                 // Construct ssh command line
1029                 // e.g. ssh rtrimana@dw-2.eecs.uci.edu cd <path>;
1030                 //      java -cp $CLASSPATH:./*.jar
1031                 //           -Djava.rmi.server.codebase=file:./*.jar
1032                 //           iotruntime.IoTSlave dw-1.eecs.uci.edu 46151 23829 42874 &
1033                 // The In-Port for IoTMaster is the Out-Port for IoTSlave and vice versa
1034                 String strSSHCommand = null;
1035                 if(strLanguageDriver.equals(STR_JAVA))
1036                         strSSHCommand = getCmdJavaDriverIoTSlave(strIoTMasterHostAdd, strIoTSlaveObjectHostAdd, strObjName);
1037                 else if(strLanguageDriver.equals(STR_CPP))
1038                         strSSHCommand = getCmdCppDriverIoTSlave(strIoTMasterHostAdd, strIoTSlaveObjectHostAdd, strObjName);
1039                 else
1040                         throw new Error("IoTMaster: Language specification not recognized: " + strLanguageDriver);
1041                 RuntimeOutput.print("IoTMaster: Language for " + strObjName + " is " + strLanguageDriver, BOOL_VERBOSE);
1042                 RuntimeOutput.print(strSSHCommand, BOOL_VERBOSE);
1043                 // Start a new thread to start a new JVM
1044                 createThread(strSSHCommand);
1045                 ServerSocket serverSocket = new ServerSocket(commHan.getComPort(strObjName));
1046                 Socket socket = serverSocket.accept();
1047                 //InputStream inStream = new ObjectInputStream(socket.getInputStream());
1048                 //OutputStream outStream = new ObjectOutputStream(socket.getOutputStream());
1049                 InputStream inStream = null;
1050                 OutputStream outStream = null;
1051                 if(strLanguageDriver.equals(STR_JAVA)) {
1052                         inStream = new ObjectInputStream(socket.getInputStream());
1053                         outStream = new ObjectOutputStream(socket.getOutputStream());
1054                 } else {        // At this point the language is certainly C++, otherwise would've complained above
1055                         inStream = new BufferedInputStream(socket.getInputStream());
1056                         outStream = new BufferedOutputStream(socket.getOutputStream());
1057                         recvAck(inStream);
1058                 }
1059                 if(strLanguageDriver.equals(STR_JAVA)) {
1060                         sendFileToJavaSlaveDriver(serverSocket, inStream, outStream, strObjName,
1061                                 strObjClassName, strObjClassInterfaceName, strObjStubClsIntfaceName,
1062                                 strIoTSlaveObjectHostAdd, strFieldObjectID, arrFieldValues, arrFieldClasses);
1063                 } else {
1064                         sendFileToCppSlaveDriver(strObjClassName, strIoTSlaveObjectHostAdd);
1065                         createObjectCpp(strObjName, strObjClassName, strObjClassInterfaceName, strIoTSlaveObjectHostAdd,
1066                         commHan.getRMIRegPort(strObjName), commHan.getRMIStubPort(strObjName), arrFieldValues, arrFieldClasses,
1067                         outStream, inStream);
1068                 }
1069                 // Instrument the class source code and look for IoTSet for device addresses
1070                 // e.g. @config private IoTSet<IoTDeviceAddress> lb_addresses;
1071                 RuntimeOutput.print("IoTMaster: Instantiating for " + strObjClassName + " with objectID " + strFieldObjectID, BOOL_VERBOSE);
1072                 // Get the object and the class names
1073                 // Build objects for IoTSet and IoTRelation fields in the device object classes
1074                 Object crimObj = mapClassNameToCrim.get(strObjClassName + strFieldObjectID);
1075                 HashMap<String,Object> hmObjectFieldObjects = null;
1076                 if (crimObj instanceof ClassRuntimeInstrumenterMaster) {
1077                         ClassRuntimeInstrumenterMaster crim = (ClassRuntimeInstrumenterMaster) crimObj;
1078                         hmObjectFieldObjects = crim.getFieldObjects();
1079                 } else if (crimObj instanceof CRuntimeInstrumenterMaster) {
1080                         CRuntimeInstrumenterMaster crim = (CRuntimeInstrumenterMaster) crimObj;
1081                         hmObjectFieldObjects = crim.getFieldObjects();
1082                 }
1083                 for(Map.Entry<String,Object> map : hmObjectFieldObjects.entrySet()) {
1084                         RuntimeOutput.print("IoTMaster: Object name: " + map.getValue().getClass().getName(), BOOL_VERBOSE);
1085                         // Iterate over HashMap and choose between processing
1086                         String strFieldName = map.getKey();
1087                         String strClassName = map.getValue().getClass().getName();
1088                         String strFieldIdentifier = strFieldName + strFieldObjectID;
1089                         if(strClassName.equals(STR_SET_INSTRUMENTER_CLS)) {
1090                                 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
1091                                 if(setInstrumenter.getObjTableName().equals(STR_IOT_DEV_ADD_CLS)) {
1092                                 // Instrument the normal IoTDeviceAddress
1093                                         synchronized(this) {
1094                                     //RuntimeOutput.print("IoTMaster: DEBUG: Processing " + STR_IOT_DEV_ADD_CLS + "!", BOOL_VERBOSE);
1095                                                 instrumentIoTSetDevice(strFieldIdentifier, strObjName, strFieldName, strIoTSlaveObjectHostAdd, inStream, outStream, strLanguageDriver);
1096                                         }
1097                                 } else if(setInstrumenter.getObjTableName().equals(STR_IOT_ZB_ADD_CLS)) {
1098                                 // Instrument the IoTZigbeeAddress - special feature for Zigbee device support
1099                                         synchronized(this) {
1100                                                 instrumentIoTSetZBDevice(map, strObjName, strFieldName, strIoTSlaveObjectHostAdd, inStream, outStream, strLanguageDriver);
1101                                         }
1102                                 } else if(setInstrumenter.getObjTableName().equals(STR_IOT_ADD_CLS)) {
1103                                 // Instrument the IoTAddress
1104                                         synchronized(this) {
1105                                                 instrumentIoTSetAddress(strFieldIdentifier, strFieldName, inStream, outStream, strLanguageDriver);
1106                                         }
1107                                 } else {
1108                                         String strErrMsg = "IoTMaster: Device driver object can only have IoTSet<IoTAddress>, IoTSet<IoTDeviceAddress>," +
1109                                                                                 " or IoTSet<IoTZigbeeAddress>!";
1110                                         throw new Error(strErrMsg);
1111                                 }
1112                         } else {
1113                                 String strErrMsg = "IoTMaster: Device driver object can only have IoTSet for addresses!";
1114                                 throw new Error(strErrMsg);
1115                         }
1116                 }
1117                 // End the session
1118                 // TODO: Change this later
1119                 if(strLanguageDriver.equals(STR_JAVA)) {
1120                         ObjectOutputStream oStream = (ObjectOutputStream) outStream;
1121                         oStream.writeObject(new MessageSimple(IoTCommCode.END_SESSION));
1122                 } else {        // C++ side for now will be running continuously because it's an infinite loop (not in a separate thread)
1123                         createDriverObjectCpp(outStream, inStream);
1124                         //endSessionCpp(outStream);
1125                 }
1126                 // Closing streams
1127                 outStream.close();
1128                 inStream.close();
1129                 socket.close();
1130                 serverSocket.close();
1131         }
1132
1133
1134         /**
1135          * A private method to create controller objects
1136          *
1137          * @return  void
1138          */
1139         private void createDriverObjects() throws InterruptedException {
1140
1141                 // Create a list of threads
1142                 List<Thread> threads = new ArrayList<Thread>();
1143                 // Get the list of active controller objects and loop it
1144                 List<String> listActiveControllerObject = commHan.getActiveControllerObjectList();
1145                 for(String strObjName : listActiveControllerObject) {
1146
1147                         ObjectCreationInfo objCrtInfo = commHan.getObjectCreationInfo(strObjName);
1148                         Thread objectThread = new Thread(new Runnable() {
1149                                 public void run() {
1150                                         synchronized(this) {
1151                                                 try {
1152                                                         createObject(strObjName, objCrtInfo.getObjectClassName(), objCrtInfo.getObjectClassInterfaceName(),
1153                                                                 objCrtInfo.getObjectStubClassInterfaceName(), objCrtInfo.getIoTSlaveObjectHostAdd(),
1154                                                                 commHan.getFieldObjectID(strObjName), commHan.getArrayFieldValues(strObjName),
1155                                                                 commHan.getArrayFieldClasses(strObjName));
1156                                                 } catch (IOException                    |
1157                                                                  ClassNotFoundException |
1158                                                                  InterruptedException ex) {
1159                                                         ex.printStackTrace();
1160                                                 }
1161                                         }
1162                                 }
1163                         });
1164                         threads.add(objectThread);
1165                         objectThread.start();
1166                 }
1167                 // Join all threads
1168                 for (Thread thread : threads) {
1169                         try {
1170                                 thread.join();
1171                         } catch (InterruptedException ex) {
1172                                 ex.printStackTrace();
1173                         }
1174                 }
1175         }
1176
1177
1178         /**
1179          * A private method to instrument IoTSet
1180          *
1181          * @params  Map.Entry<String,Object>  Entry of map IoTSet instrumentation
1182          * @params  strFieldName              String field name
1183          * @params  strLanguage                           String language
1184          * @return  void
1185          */
1186         private void instrumentIoTSet(Map.Entry<String,Object> map, String strFieldName, String strObjControllerName, String strLanguage)
1187                 throws IOException, ClassNotFoundException, InterruptedException {
1188
1189                 // Get information from the set
1190                 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
1191                 objInitHand.addField(strFieldName, IoTCommCode.CREATE_NEW_IOTSET);
1192
1193                 int iRows = setInstrumenter.numberOfRows();
1194                 for(int iRow=0; iRow<iRows; iRow++) {
1195                         // Get field classes and values
1196                         arrFieldClasses = setInstrumenter.fieldClasses(iRow);
1197                         arrFieldValues = setInstrumenter.fieldValues(iRow);
1198                         // Get object ID and class name
1199                         String strObjID = setInstrumenter.fieldObjectID(iRow);
1200                         strObjClassName = setInstrumenter.fieldEntryType(strObjID);
1201                         // Call the method to create an object
1202                         instrumentObject(strObjID, strObjControllerName, strLanguage);
1203                         objInitHand.addObjectIntoField(strFieldName, strIoTSlaveObjectHostAdd, strObjName,
1204                                 strObjClassName, strObjClassInterfaceName, strObjStubClsIntfaceName, commHan.getRMIRegPort(strObjName),
1205                                 commHan.getRMIStubPort(strObjName));
1206                 }
1207         }
1208
1209
1210         /**
1211          * A private method to instrument IoTRelation
1212          *
1213          * @params  Map.Entry<String,Object>  Entry of map IoTRelation instrumentation
1214          * @params  strFieldName              String field name
1215          * @params  strLanguage                           String language
1216          * @return  void
1217          */
1218         private void instrumentIoTRelation(Map.Entry<String,Object> map, String strFieldName, String strObjControllerName, String strLanguage)
1219                 throws IOException, ClassNotFoundException, InterruptedException {
1220
1221                         // Get information from the set
1222                 RelationInstrumenter relationInstrumenter = (RelationInstrumenter) map.getValue();
1223                 int iRows = relationInstrumenter.numberOfRows();
1224                 objInitHand.addField(strFieldName, IoTCommCode.CREATE_NEW_IOTRELATION);
1225
1226                 for(int iRow=0; iRow<iRows; iRow++) {
1227                         // Operate on the first set first
1228                         arrFieldClasses = relationInstrumenter.firstFieldClasses(iRow);
1229                         arrFieldValues = relationInstrumenter.firstFieldValues(iRow);
1230                         String strObjID = relationInstrumenter.firstFieldObjectID(iRow);
1231                         strObjClassName = relationInstrumenter.firstEntryFieldType(strObjID);
1232                         // Call the method to create an object
1233                         instrumentObject(strObjID, strObjControllerName, strLanguage);
1234                         // Get the first object controller host address
1235                         String strFirstIoTSlaveObjectHostAdd = strIoTSlaveObjectHostAdd;
1236                         objInitHand.addObjectIntoField(strFieldName, strIoTSlaveObjectHostAdd, strObjName,
1237                                 strObjClassName, strObjClassInterfaceName, strObjStubClsIntfaceName,
1238                                 commHan.getRMIRegPort(strObjName), commHan.getRMIStubPort(strObjName));
1239                         // Operate on the second set
1240                         arrFieldClasses = relationInstrumenter.secondFieldClasses(iRow);
1241                         arrFieldValues = relationInstrumenter.secondFieldValues(iRow);
1242                         strObjID = relationInstrumenter.secondFieldObjectID(iRow);
1243                         strObjClassName = relationInstrumenter.secondEntryFieldType(strObjID);
1244                         // Call the method to create an object
1245                         instrumentObject(strObjID, strObjControllerName, strLanguage);
1246                         // Get the second object controller host address
1247                         String strSecondIoTSlaveObjectHostAdd = strIoTSlaveObjectHostAdd;
1248                         objInitHand.addSecondObjectIntoField(strFieldName, strIoTSlaveObjectHostAdd, strObjName,
1249                                 strObjClassName, strObjClassInterfaceName, strObjStubClsIntfaceName,
1250                                 commHan.getRMIRegPort(strObjName), commHan.getRMIStubPort(strObjName));
1251                         // ROUTING POLICY: first and second controller objects in IoTRelation
1252                         routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strFirstIoTSlaveObjectHostAdd,
1253                                 strSecondIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
1254                         // ROUTING POLICY: Send the same routing policy to both the hosts
1255                         routerConfig.configureHostMainPolicies(strFirstIoTSlaveObjectHostAdd, strFirstIoTSlaveObjectHostAdd,
1256                                 strSecondIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
1257                         routerConfig.configureHostMainPolicies(strSecondIoTSlaveObjectHostAdd, strFirstIoTSlaveObjectHostAdd,
1258                                 strSecondIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
1259                 }
1260         }
1261
1262         /**
1263          * A method to reinitialize IoTSet and IoTRelation in the code based on ObjectInitHandler information
1264          *
1265          * @params  inStream                  ObjectInputStream communication
1266          * @params  outStream                 ObjectOutputStream communication
1267          * @return      void
1268          */
1269         private void initializeSetsAndRelationsJava(InputStream inStream, OutputStream outStream)
1270                 throws IOException, ClassNotFoundException {
1271                 // Get list of fields
1272                 List<String> strFields = objInitHand.getListOfFields();
1273                 // Iterate on HostAddress
1274                 for(String str : strFields) {
1275                         IoTCommCode iotcommMsg = objInitHand.getFieldMessage(str);
1276                         if (iotcommMsg == IoTCommCode.CREATE_NEW_IOTSET) {
1277                                 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO CREATE IOTSET
1278                                 Message msgCrtIoTSet = new MessageCreateSetRelation(IoTCommCode.CREATE_NEW_IOTSET, str);
1279                                 commMasterToSlave(msgCrtIoTSet, "Create new IoTSet!", inStream, outStream);
1280                                 List<ObjectInitInfo> listObject = objInitHand.getListObjectInitInfo(str);
1281                                 for (ObjectInitInfo objInitInfo : listObject) {
1282                                         // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO FILL IN IOTSET
1283                                         commMasterToSlave(new MessageGetObject(IoTCommCode.GET_IOTSET_OBJECT, objInitInfo.getIoTSlaveObjectHostAdd(),
1284                                                 objInitInfo.getObjectName(), objInitInfo.getObjectClassName(), objInitInfo.getObjectClassInterfaceName(),
1285                                                 objInitInfo.getObjectStubClassInterfaceName(), objInitInfo.getRMIRegistryPort(), objInitInfo.getRMIStubPort()),
1286                                                 "Get IoTSet object!", inStream, outStream);
1287
1288                                 }
1289                                 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO REINITIALIZE IOTSET FIELD
1290                                 commMasterToSlave(new MessageSimple(IoTCommCode.REINITIALIZE_IOTSET_FIELD),
1291                                         "Renitialize IoTSet field!", inStream, outStream);
1292                         } else if (iotcommMsg == IoTCommCode.CREATE_NEW_IOTRELATION) {
1293                                 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO CREATE IOTRELATION
1294                                 Message msgCrtIoTRel = new MessageCreateSetRelation(IoTCommCode.CREATE_NEW_IOTRELATION, str);
1295                                 commMasterToSlave(msgCrtIoTRel, "Create new IoTRelation!", inStream, outStream);
1296                                 List<ObjectInitInfo> listObject = objInitHand.getListObjectInitInfo(str);
1297                                 List<ObjectInitInfo> listSecondObject = objInitHand.getSecondObjectInitInfo(str);
1298                                 Iterator it = listSecondObject.iterator();
1299                                 for (ObjectInitInfo objInitInfo : listObject) {
1300                                         // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO FILL IN IOTRELATION (FIRST OBJECT)
1301                                         commMasterToSlave(new MessageGetObject(IoTCommCode.GET_IOTRELATION_FIRST_OBJECT,
1302                                                 objInitInfo.getIoTSlaveObjectHostAdd(), objInitInfo.getObjectName(), objInitInfo.getObjectClassName(),
1303                                                 objInitInfo.getObjectClassInterfaceName(), objInitInfo.getObjectStubClassInterfaceName(),
1304                                                 objInitInfo.getRMIRegistryPort(), objInitInfo.getRMIStubPort()),
1305                                                 "Get IoTRelation first object!", inStream, outStream);
1306                                         ObjectInitInfo objSecObj = (ObjectInitInfo) it.next();
1307                                         // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO FILL IN IOTRELATION (SECOND OBJECT)
1308                                         commMasterToSlave(new MessageGetObject(IoTCommCode.GET_IOTRELATION_SECOND_OBJECT,
1309                                                 objSecObj.getIoTSlaveObjectHostAdd(), objSecObj.getObjectName(), objSecObj.getObjectClassName(),
1310                                                 objSecObj.getObjectClassInterfaceName(), objSecObj.getObjectStubClassInterfaceName(),
1311                                                 objSecObj.getRMIRegistryPort(), objSecObj.getRMIStubPort()),
1312                                                 "Get IoTRelation second object!", inStream, outStream);
1313                                 }
1314                                 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO REINITIALIZE IOTRELATION FIELD
1315                                 commMasterToSlave(new MessageSimple(IoTCommCode.REINITIALIZE_IOTRELATION_FIELD),
1316                                         "Renitialize IoTRelation field!", inStream, outStream);
1317                         }
1318                 }
1319         }
1320
1321         /**
1322          * A method to reinitialize IoTSet and IoTRelation in the code based on ObjectInitHandler information
1323          *
1324          * @params  inStream                  ObjectInputStream communication
1325          * @params  outStream                 ObjectOutputStream communication
1326          * @return      void
1327          */
1328         private void initializeSetsAndRelationsCpp(InputStream inStream, OutputStream outStream)
1329                 throws IOException, ClassNotFoundException {
1330                 // Get list of fields
1331                 List<String> strFields = objInitHand.getListOfFields();
1332                 // Iterate on HostAddress
1333                 for(String str : strFields) {
1334                         IoTCommCode iotcommMsg = objInitHand.getFieldMessage(str);
1335                         if (iotcommMsg == IoTCommCode.CREATE_NEW_IOTSET) {
1336                                 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO CREATE IOTSET
1337                                 createNewIoTSetCpp(str, outStream, inStream);
1338                                 List<ObjectInitInfo> listObject = objInitHand.getListObjectInitInfo(str);
1339                                 for (ObjectInitInfo objInitInfo : listObject) {
1340                                         // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO FILL IN IOTSET
1341                                         getIoTSetRelationObjectCpp(IoTCommCode.GET_IOTSET_OBJECT, objInitInfo.getIoTSlaveObjectHostAdd(), objInitInfo.getObjectName(),
1342                                                 objInitInfo.getObjectClassName(), objInitInfo.getObjectClassInterfaceName(), objInitInfo.getObjectStubClassInterfaceName(),
1343                                                 objInitInfo.getRMIRegistryPort(), objInitInfo.getRMIStubPort(), outStream, inStream);
1344                                 }
1345                                 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO REINITIALIZE IOTSET FIELD
1346                                 reinitializeIoTSetFieldCpp(outStream, inStream);
1347                         } else if (iotcommMsg == IoTCommCode.CREATE_NEW_IOTRELATION) {
1348                                 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO CREATE IOTRELATION
1349                                 createNewIoTRelationCpp(str, outStream, inStream);
1350                                 List<ObjectInitInfo> listObject = objInitHand.getListObjectInitInfo(str);
1351                                 List<ObjectInitInfo> listSecondObject = objInitHand.getSecondObjectInitInfo(str);
1352                                 Iterator it = listSecondObject.iterator();
1353                                 for (ObjectInitInfo objInitInfo : listObject) {
1354                                         // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO FILL IN IOTRELATION (FIRST OBJECT)
1355                                         getIoTSetRelationObjectCpp(IoTCommCode.GET_IOTRELATION_FIRST_OBJECT, objInitInfo.getIoTSlaveObjectHostAdd(), objInitInfo.getObjectName(),
1356                                                 objInitInfo.getObjectClassName(), objInitInfo.getObjectClassInterfaceName(), objInitInfo.getObjectStubClassInterfaceName(),
1357                                                 objInitInfo.getRMIRegistryPort(), objInitInfo.getRMIStubPort(), outStream, inStream);
1358                                         ObjectInitInfo objSecObj = (ObjectInitInfo) it.next();
1359                                         // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO FILL IN IOTRELATION (SECOND OBJECT)
1360                                         getIoTSetRelationObjectCpp(IoTCommCode.GET_IOTRELATION_SECOND_OBJECT, objSecObj.getIoTSlaveObjectHostAdd(), objSecObj.getObjectName(),
1361                                                 objSecObj.getObjectClassName(), objSecObj.getObjectClassInterfaceName(), objSecObj.getObjectStubClassInterfaceName(),
1362                                                 objSecObj.getRMIRegistryPort(), objSecObj.getRMIStubPort(), outStream, inStream);
1363                                 }
1364                                 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO REINITIALIZE IOTRELATION FIELD
1365                                 reinitializeIoTRelationFieldCpp(outStream, inStream);
1366                         }
1367                 }
1368         }
1369
1370         /**
1371          * A method to set router basic policies at once
1372          *
1373          * @param       strRouter String router name
1374          * @return      void
1375          */
1376         private void setRouterBasicPolicies(String strRouter) {
1377
1378                 String strMonitorHost = routerConfig.getIPFromMACAddress(STR_MONITORING_HOST);
1379             routerConfig.initMainPolicy(strRouter);
1380             routerConfig.combineRouterPolicies(strRouter);
1381                 routerConfig.configureRouterICMPPolicies(strRouter, strMonitorHost);
1382                 routerConfig.configureRouterDHCPPolicies(strRouter);
1383                 routerConfig.configureRouterDNSPolicies(strRouter);
1384                 routerConfig.configureRouterSSHPolicies(strRouter, strMonitorHost);
1385                 routerConfig.configureRejectPolicies(strRouter);
1386         }
1387
1388         /**
1389          * A method to set host basic policies at once
1390          *
1391          * @param       strHost String host name
1392          * @return      void
1393          */
1394         private void setHostBasicPolicies(String strHost) {
1395
1396                 String strMonitorHost = routerConfig.getIPFromMACAddress(STR_MONITORING_HOST);
1397             routerConfig.initMainPolicy(strHost);
1398             routerConfig.combineRouterPolicies(strHost);
1399                 routerConfig.configureHostDHCPPolicies(strHost);
1400                 routerConfig.configureHostDNSPolicies(strHost);
1401                 if (strHost.equals(strMonitorHost)) {
1402                 // Check if this is the monitoring host
1403                         routerConfig.configureHostICMPPolicies(strHost);
1404                         routerConfig.configureHostSSHPolicies(strHost);
1405                 } else {
1406                         routerConfig.configureHostICMPPolicies(strHost, strMonitorHost);
1407                         routerConfig.configureHostSSHPolicies(strHost, strMonitorHost);
1408                 }
1409                 // Apply SQL allowance policies to master host
1410                 if (strHost.equals(strIoTMasterHostAdd)) {
1411                         routerConfig.configureHostSQLPolicies(strHost);
1412                 }
1413                 routerConfig.configureRejectPolicies(strHost);
1414         }
1415
1416         /**
1417          * A method to create a thread for policy deployment
1418          *
1419          * @param  strRouterAddress             String router address to configure
1420          * @param  setHostAddresses             Set of strings for host addresses to configure
1421          * @return                              void
1422          */
1423         private void createPolicyThreads(String strRouterAddress, Set<String> setHostAddresses) throws IOException {
1424
1425                 // Create a list of threads
1426                 List<Thread> threads = new ArrayList<Thread>();
1427                 // Start threads for hosts
1428                 for(String strAddress : setHostAddresses) {
1429                         Thread policyThread = new Thread(new Runnable() {
1430                                 public void run() {
1431                                         synchronized(this) {
1432                                                 routerConfig.sendHostPolicies(strAddress);
1433                                         }
1434                                 }
1435                         });
1436                         threads.add(policyThread);
1437                         policyThread.start();
1438                         RuntimeOutput.print("Deploying policies for: " + strAddress, BOOL_VERBOSE);
1439                 }
1440                 // A thread for router
1441                 Thread policyThread = new Thread(new Runnable() {
1442                         public void run() {
1443                                 synchronized(this) {
1444                                         routerConfig.sendRouterPolicies(strRouterAddress);
1445                                 }
1446                         }
1447                 });
1448                 threads.add(policyThread);
1449                 policyThread.start();
1450                 RuntimeOutput.print("Deploying policies on router: " + strRouterAddress, BOOL_VERBOSE);
1451                 // Join all threads
1452                 for (Thread thread : threads) {
1453                         try {
1454                                 thread.join();
1455                         } catch (InterruptedException ex) {
1456                                 ex.printStackTrace();
1457                         }
1458                 }
1459         }
1460
1461         /**
1462          * A method to create a thread for policy deployment
1463          *
1464          * @param  setHostAddresses             Set of strings for host addresses to configure
1465          * @return                              void
1466          */
1467         private void createMACPolicyThreads(Set<String> setHostAddresses) throws IOException {
1468
1469                 // Create a list of threads
1470                 List<Thread> threads = new ArrayList<Thread>();
1471                 // Start threads for hosts
1472                 for(String strAddress : setHostAddresses) {
1473                         Thread policyThread = new Thread(new Runnable() {
1474                                 public void run() {
1475                                         synchronized(this) {
1476                                                 processJailConfig.sendMACPolicies(strAddress);
1477                                         }
1478                                 }
1479                         });
1480                         threads.add(policyThread);
1481                         policyThread.start();
1482                         RuntimeOutput.print("Deploying MAC policies for: " + strAddress, BOOL_VERBOSE);
1483                 }
1484                 // Join all threads
1485                 for (Thread thread : threads) {
1486                         try {
1487                                 thread.join();
1488                         } catch (InterruptedException ex) {
1489                                 ex.printStackTrace();
1490                         }
1491                 }
1492         }
1493
1494
1495         /**
1496          * A method to send files to Java IoTSlave
1497          *
1498          * @params  strObjControllerName      String
1499          * @params  serverSocket              ServerSocket
1500          * @params  inStream                  ObjectInputStream communication
1501          * @params  outStream                 ObjectOutputStream communication
1502          * @return       void
1503          */
1504         private void sendFileToJavaSlave(String strObjControllerName, ServerSocket serverSocket,
1505                         InputStream _inStream, OutputStream _outStream) throws IOException, ClassNotFoundException {
1506
1507                 ObjectInputStream inStream = (ObjectInputStream) _inStream;
1508                 ObjectOutputStream outStream = (ObjectOutputStream) _outStream;
1509                 // Send .jar file
1510                 String strControllerJarName = strObjControllerName + STR_JAR_FILE_EXT;
1511                 String strControllerJarNamePath = STR_CONT_PATH + strObjControllerName + "/" +
1512                         strControllerJarName;
1513                 File file = new File(strControllerJarNamePath);
1514                 commMasterToSlave(new MessageSendFile(IoTCommCode.TRANSFER_FILE, strControllerJarName, file.length()),
1515                         "Sending file!", inStream, outStream);
1516                 // Send file - Class file for object creation
1517                 sendFile(serverSocket.accept(), strControllerJarNamePath, file.length());
1518                 Message msgReply = (Message) inStream.readObject();
1519                 RuntimeOutput.print("IoTMaster: Reply message: " + msgReply.getMessage(), BOOL_VERBOSE);
1520                 // Send .zip file if additional zip file is specified
1521                 String strObjCfgFile = strObjControllerName + STR_CFG_FILE_EXT;
1522                 String strObjCfgFilePath = STR_CONT_PATH + strObjControllerName + "/" + strObjCfgFile;
1523                 String strAdditionalFile = parseConfigFile(strObjCfgFilePath, STR_FILE_TRF_CFG);
1524                 if (strAdditionalFile.equals(STR_YES)) {
1525                         String strControllerCmpName = strObjControllerName + STR_ZIP_FILE_EXT;
1526                         String strControllerCmpNamePath = STR_CONT_PATH + strObjControllerName + "/" +
1527                                 strControllerCmpName;
1528                         file = new File(strControllerCmpNamePath);
1529                         commMasterToSlave(new MessageSendFile(IoTCommCode.TRANSFER_FILE, strControllerCmpName, file.length()),
1530                                 "Sending file!", inStream, outStream);
1531                         // Send file - Class file for object creation
1532                         sendFile(serverSocket.accept(), strControllerCmpNamePath, file.length());
1533                         msgReply = (Message) inStream.readObject();
1534                         RuntimeOutput.print("IoTMaster: Reply message: " + msgReply.getMessage(), BOOL_VERBOSE);
1535                 }
1536         }
1537
1538
1539         /**
1540          * A method to send files to C++ IoTSlave
1541          *
1542          * @return       void
1543          * TODO: Need to look into this (as of now, file transferred retains the "data" format,
1544          * hence it is unreadable from outside world
1545          */
1546         private void sendFileToCppSlave(String sFilePath, String sFileName, Socket fileSocket,
1547                         InputStream inStream, OutputStream outStream) throws IOException {
1548
1549                 sendCommCode(IoTCommCode.TRANSFER_FILE, outStream, inStream);
1550                 // Send file name
1551                 sendString(sFileName, outStream); recvAck(inStream);
1552                 File file = new File(sFilePath + sFileName);
1553                 int iFileLen = toIntExact(file.length());
1554                 RuntimeOutput.print("IoTMaster: Sending file " + sFileName + " with length " + iFileLen + " bytes...", BOOL_VERBOSE);
1555                 // Send file length
1556                 sendInteger(iFileLen, outStream); recvAck(inStream);
1557                 RuntimeOutput.print("IoTMaster: Sent file size!", BOOL_VERBOSE);
1558                 byte[] bytFile = new byte[iFileLen];
1559                 InputStream inFileStream = new FileInputStream(file);
1560                 RuntimeOutput.print("IoTMaster: Opened file!", BOOL_VERBOSE);
1561
1562                 OutputStream outFileStream = fileSocket.getOutputStream();
1563                 RuntimeOutput.print("IoTMaster: Got output stream!", BOOL_VERBOSE);
1564                 int iCount;
1565                 while ((iCount = inFileStream.read(bytFile)) > 0) {
1566                         outFileStream.write(bytFile, 0, iCount);
1567                 }
1568                 RuntimeOutput.print("IoTMaster: File sent!", BOOL_VERBOSE);
1569                 recvAck(inStream);
1570         }
1571
1572
1573         /**
1574          * A method to send files to C++ IoTSlave (now master using Process() to start
1575          * file transfer using scp)
1576          *
1577          * @return       void
1578          */
1579         private void sendFileToCppSlave(String sFilePath, String sFileName) throws IOException {
1580
1581                 // Construct shell command to transfer file
1582                 String sFile = sFilePath + sFileName;
1583                 String strCmdSend = STR_SCP + " " + sFile + " " + STR_USERNAME + strIoTSlaveControllerHostAdd + ":" + STR_SLAVE_DIR;
1584                 runCommand(strCmdSend);
1585                 RuntimeOutput.print("IoTMaster: Executing: " + strCmdSend, BOOL_VERBOSE);
1586                 // Unzip file
1587                 String strCmdUnzip = STR_SSH + " " + STR_USERNAME + strIoTSlaveControllerHostAdd + " cd " +
1588                                         STR_SLAVE_DIR + " sudo unzip -o " + sFileName + ";";
1589                 runCommand(strCmdUnzip);
1590                 RuntimeOutput.print("IoTMaster: Executing: " + strCmdUnzip, BOOL_VERBOSE);
1591         }
1592
1593
1594         /**
1595          * runCommand() method runs shell command
1596          *
1597          * @param   strCommand  String that contains command line
1598          * @return  void
1599          */
1600         private void runCommand(String strCommand) {
1601
1602                 try {
1603                         Runtime runtime = Runtime.getRuntime();
1604                         Process process = runtime.exec(strCommand);
1605                         process.waitFor();
1606                 } catch (IOException ex) {
1607                         System.out.println("RouterConfig: IOException: " + ex.getMessage());
1608                         ex.printStackTrace();
1609                 } catch (InterruptedException ex) {
1610                         System.out.println("RouterConfig: InterruptException: " + ex.getMessage());
1611                         ex.printStackTrace();
1612                 }
1613         }
1614
1615
1616         /**
1617          * Construct command line for Java IoTSlave
1618          *
1619          * @return       String
1620          */
1621         private String getCmdJavaIoTSlave(String strObjControllerName) {
1622
1623                 // Create an Shell executable
1624                 String strJavaCommand = STR_SHELL_HEADER + "\nexec " + STR_JAVA_PATH + " " + STR_JVM_INIT_HEAP_SIZE + " " +
1625                                         STR_JVM_MAX_HEAP_SIZE + " " + STR_CLS_PATH + " " + STR_RMI_PATH + " " + STR_IOT_SLAVE_CLS + " " +
1626                                         strIoTMasterHostAdd + " " + commHan.getComPort(strObjControllerName) + " " +
1627                                         commHan.getRMIRegPort(strObjControllerName) + " " + commHan.getRMIStubPort(strObjControllerName) +
1628                                         " > " + STR_LOG_FILE_PATH + strObjControllerName + ".log &";
1629                 String shellFile = "./" + strObjControllerName + STR_SHELL_FILE_EXT;
1630                 createWrapperShellScript(strJavaCommand, shellFile);
1631                 // Send the file to the compute node
1632                 String strCmdSend = STR_SCP + " " + shellFile + " " + STR_USERNAME + strIoTSlaveControllerHostAdd + ":" + STR_RUNTIME_DIR;
1633                 runCommand(strCmdSend);
1634                 System.out.println("IoTMaster: Sending main controller shell file: " + strCmdSend);
1635                 return STR_SSH + " " + STR_USERNAME + strIoTSlaveControllerHostAdd + " cd " + STR_RUNTIME_DIR + " " + shellFile;
1636         }
1637
1638
1639         /**
1640          * Construct command line for C++ IoTSlave
1641          *
1642          * @return       String
1643          */
1644         private String getCmdCppIoTSlave(String strObjControllerName) {
1645
1646                 // Create an Shell executable
1647                 String strCppCommand =  STR_SHELL_HEADER + "\ncd " + STR_SLAVE_DIR + " exec sudo " +
1648                             STR_IOTSLAVE_CPP + " " + strIoTMasterHostAdd + " " +
1649                                         commHan.getComPort(strObjControllerName) + " " + strObjControllerName;;
1650                 String shellFile = "./" + strObjControllerName + STR_SHELL_FILE_EXT;
1651                 createWrapperShellScript(strCppCommand, shellFile);
1652                 // Send the file to the compute node
1653                 String strCmdSend = STR_SCP + " " + shellFile + " " + STR_USERNAME + strIoTSlaveControllerHostAdd + ":" + STR_RUNTIME_DIR;
1654                 runCommand(strCmdSend);
1655                 System.out.println("IoTMaster: Sending main controller shell file: " + strCmdSend);
1656                 return STR_SSH + " " + STR_USERNAME + strIoTSlaveControllerHostAdd + " cd " + STR_RUNTIME_DIR + " " + shellFile;
1657         }
1658
1659
1660         /**
1661          * sendInteger() sends an integer in bytes
1662          */
1663         public void sendInteger(int intSend, OutputStream outStream) throws IOException {
1664
1665                 BufferedOutputStream output = (BufferedOutputStream) outStream;
1666                 // Transform integer into bytes
1667                 ByteBuffer bb = ByteBuffer.allocate(INT_SIZE);
1668                 bb.putInt(intSend);
1669                 // Send the byte array
1670                 output.write(bb.array(), 0, INT_SIZE);
1671                 output.flush();
1672         }
1673
1674
1675         /**
1676          * recvInteger() receives integer in bytes
1677          */
1678         public int recvInteger(InputStream inStream) throws IOException {
1679
1680                 BufferedInputStream input = (BufferedInputStream) inStream;
1681                 // Wait until input is available
1682                 while(input.available() == 0);
1683                 // Read integer - 4 bytes
1684                 byte[] recvInt = new byte[INT_SIZE];
1685                 input.read(recvInt, 0, INT_SIZE);
1686                 int retVal = ByteBuffer.wrap(recvInt).getInt();
1687
1688                 return retVal;
1689         }
1690
1691
1692         /**
1693          * recvString() receives String in bytes
1694          */
1695         public String recvString(InputStream inStream) throws IOException {
1696
1697                 BufferedInputStream input = (BufferedInputStream) inStream;
1698                 int strLen = recvInteger(inStream);
1699                 // Wait until input is available
1700                 while(input.available() == 0);
1701                 // Read String per strLen
1702                 byte[] recvStr = new byte[strLen];
1703                 input.read(recvStr, 0, strLen);
1704                 String retVal = new String(recvStr);
1705
1706                 return retVal;
1707         }
1708
1709
1710         /**
1711          * sendString() sends a String in bytes
1712          */
1713         public void sendString(String strSend, OutputStream outStream) throws IOException {
1714
1715                 BufferedOutputStream output = (BufferedOutputStream) outStream;
1716                 // Transform String into bytes
1717                 byte[] strSendBytes = strSend.getBytes();
1718                 int strLen = strSend.length();
1719                 // Send the string length first
1720                 sendInteger(strLen, outStream);
1721                 // Send the byte array
1722                 output.write(strSendBytes, 0, strLen);
1723                 output.flush();
1724         }
1725
1726
1727         /**
1728          * Convert integer to enum
1729          */
1730         public IoTCommCode getCode(int intCode) throws IOException {
1731
1732                 IoTCommCode[] commCode = IoTCommCode.values();
1733                 IoTCommCode retCode = commCode[intCode];
1734                 return retCode;
1735
1736         }
1737
1738
1739         /**
1740          * Receive ACK
1741          */
1742         public synchronized boolean recvAck(InputStream inStream) throws IOException {
1743
1744                 int intAck = recvInteger(inStream);
1745                 IoTCommCode codeAck = getCode(intAck);
1746                 if (codeAck == IoTCommCode.ACKNOWLEDGED)
1747                         return true;
1748                 return false;
1749
1750         }
1751
1752
1753         /**
1754          * Send END
1755          */
1756         public void sendEndTransfer(OutputStream outStream) throws IOException {
1757
1758                 int endCode = IoTCommCode.END_TRANSFER.ordinal();
1759                 sendInteger(endCode, outStream);
1760         }
1761
1762
1763         /**
1764          * Send communication code to C++
1765          */
1766         public void sendCommCode(IoTCommCode inpCommCode, OutputStream outStream, InputStream inStream) throws IOException {
1767
1768
1769                 IoTCommCode commCode = inpCommCode;
1770                 int intCode = commCode.ordinal();
1771                 // TODO: delete this later
1772                 System.out.println("DEBUG: Sending " + commCode + " with ordinal: " + intCode);
1773                 sendInteger(intCode, outStream); recvAck(inStream);
1774         }
1775
1776
1777         /**
1778          * Create a main controller object for C++
1779          */
1780         public void createMainObjectCpp(String strObjControllerName, OutputStream outStream, InputStream inStream) throws IOException {
1781
1782                 sendCommCode(IoTCommCode.CREATE_MAIN_OBJECT, outStream, inStream);
1783                 String strMainObjName = strObjControllerName;
1784                 sendString(strMainObjName, outStream); recvAck(inStream);
1785                 RuntimeOutput.print("IoTMaster: Create a main object: " + strMainObjName, BOOL_VERBOSE);
1786         }
1787
1788
1789         /**
1790          * A helper function that converts Class into String
1791          *
1792          * @param  strDataType  String MySQL data type
1793          * @return              Class
1794          */
1795         public String getClassConverted(Class<?> cls) {
1796
1797                 if (cls == String.class) {
1798                         return "string";
1799                 } else if (cls == int.class) {
1800                         return "int";
1801                 } else {
1802                         return null;
1803                 }
1804         }
1805
1806
1807         /**
1808          * A helper function that converts Object into String for transfer to C++ slave
1809          *
1810          * @param  obj           Object to be converted
1811          * @param  strClassType  String Java Class type
1812          * @return               Object
1813          */
1814         public String getObjectConverted(Object obj) {
1815
1816                 if (obj instanceof String) {
1817                         return (String) obj;
1818                 } else if (obj instanceof Integer) {
1819                         return Integer.toString((Integer) obj);
1820                 } else {
1821                         return null;
1822                 }
1823         }
1824
1825
1826         /**
1827          * Create a driver object for C++
1828          */
1829         public void createObjectCpp(String strObjName, String strObjClassName, String strObjClassInterfaceName, String strIoTSlaveObjectHostAdd,
1830                 Integer iRMIRegistryPort, Integer iRMIStubPort, Object[] arrFieldValues, Class[] arrFieldClasses,
1831                 OutputStream outStream, InputStream inStream) throws IOException {
1832
1833                 sendCommCode(IoTCommCode.CREATE_OBJECT, outStream, inStream);
1834                 RuntimeOutput.print("IoTMaster: Send request to create a driver object... ", BOOL_VERBOSE);
1835                 RuntimeOutput.print("IoTMaster: Driver object name: " + strObjName, BOOL_VERBOSE);
1836                 sendString(strObjName, outStream); recvAck(inStream);
1837                 RuntimeOutput.print("IoTMaster: Driver object class name: " + strObjClassName, BOOL_VERBOSE);
1838                 sendString(strObjClassName, outStream); recvAck(inStream);
1839                 RuntimeOutput.print("IoTMaster: Driver object interface name: " + strObjClassInterfaceName, BOOL_VERBOSE);
1840                 sendString(strObjStubClsIntfaceName, outStream); recvAck(inStream);
1841                 RuntimeOutput.print("IoTMaster: Driver object skeleton class name: " + strObjClassInterfaceName + STR_SKEL_CLASS_SUFFIX, BOOL_VERBOSE);
1842                 sendString(strObjClassInterfaceName + STR_SKEL_CLASS_SUFFIX, outStream); recvAck(inStream);
1843                 RuntimeOutput.print("IoTMaster: Driver object registry port: " + iRMIRegistryPort, BOOL_VERBOSE);
1844                 sendInteger(iRMIRegistryPort, outStream); recvAck(inStream);
1845                 RuntimeOutput.print("IoTMaster: Driver object stub port: " + iRMIStubPort, BOOL_VERBOSE);
1846                 sendInteger(iRMIStubPort, outStream); recvAck(inStream);
1847                 int numOfArgs = arrFieldValues.length;
1848                 RuntimeOutput.print("IoTMaster: Send constructor arguments! Number of arguments: " + numOfArgs, BOOL_VERBOSE);
1849                 sendInteger(numOfArgs, outStream); recvAck(inStream);
1850                 for(Object obj : arrFieldValues) {
1851                         String str = getObjectConverted(obj);
1852                         sendString(str, outStream); recvAck(inStream);
1853                 }
1854                 RuntimeOutput.print("IoTMaster: Send constructor argument classes!", BOOL_VERBOSE);
1855                 for(Class cls : arrFieldClasses) {
1856                         String str = getClassConverted(cls);
1857                         sendString(str, outStream); recvAck(inStream);
1858                 }
1859         }
1860
1861
1862         /**
1863          * Create new IoTSet for C++
1864          */
1865         public void createNewIoTSetCpp(String strObjFieldName, OutputStream outStream, InputStream inStream) throws IOException {
1866
1867                 sendCommCode(IoTCommCode.CREATE_NEW_IOTSET, outStream, inStream);
1868                 RuntimeOutput.print("IoTMaster: Creating new IoTSet...", BOOL_VERBOSE);
1869                 RuntimeOutput.print("IoTMaster: Send object field name: " + strObjFieldName, BOOL_VERBOSE);
1870                 sendString(strObjFieldName, outStream); recvAck(inStream);
1871         }
1872
1873
1874         /**
1875          * Create new IoTRelation for C++
1876          */
1877         public void createNewIoTRelationCpp(String strObjFieldName, OutputStream outStream, InputStream inStream) throws IOException {
1878
1879                 sendCommCode(IoTCommCode.CREATE_NEW_IOTRELATION, outStream, inStream);
1880                 RuntimeOutput.print("IoTMaster: Creating new IoTRelation...", BOOL_VERBOSE);
1881                 RuntimeOutput.print("IoTMaster: Send object field name: " + strObjFieldName, BOOL_VERBOSE);
1882                 sendString(strObjFieldName, outStream); recvAck(inStream);
1883         }
1884
1885
1886         /**
1887          * Get a IoTDeviceAddress object for C++
1888          */
1889         public void getDeviceIoTSetObjectCpp(OutputStream outStream, InputStream inStream,
1890                         String strDeviceAddress, int iSourcePort, int iDestPort, boolean bSourceWildCard, boolean bDestWildCard) throws IOException {
1891
1892                 sendCommCode(IoTCommCode.GET_DEVICE_IOTSET_OBJECT, outStream, inStream);
1893                 RuntimeOutput.print("IoTMaster: Getting IoTDeviceAddress...", BOOL_VERBOSE);
1894                 sendString(strDeviceAddress, outStream); recvAck(inStream);
1895                 sendInteger(iSourcePort, outStream); recvAck(inStream);
1896                 sendInteger(iDestPort, outStream); recvAck(inStream);
1897                 int iSourceWildCard = (bSourceWildCard ? 1 : 0);
1898                 sendInteger(iSourceWildCard, outStream); recvAck(inStream);
1899                 int iDestWildCard = (bDestWildCard ? 1 : 0);
1900                 sendInteger(iDestWildCard, outStream); recvAck(inStream);
1901                 RuntimeOutput.print("IoTMaster: Send device address: " + strDeviceAddress, BOOL_VERBOSE);
1902         }
1903
1904
1905         /**
1906          * Get a IoTSet content object for C++
1907          */
1908         public void getIoTSetRelationObjectCpp(IoTCommCode iotCommCode, String strIoTSlaveHostAddress, String strObjectName, String strObjectClassName,
1909                         String strObjectClassInterfaceName, String strObjectStubClassInterfaceName, int iRMIRegistryPort, int iRMIStubPort,
1910                         OutputStream outStream, InputStream inStream) throws IOException {
1911
1912                 sendCommCode(iotCommCode, outStream, inStream);
1913                 RuntimeOutput.print("IoTMaster: Getting IoTSet object content...", BOOL_VERBOSE);
1914                 // Send info
1915                 RuntimeOutput.print("IoTMaster: Send host address: " + strIoTSlaveHostAddress, BOOL_VERBOSE);
1916                 sendString(strIoTSlaveHostAddress, outStream); recvAck(inStream);
1917                 RuntimeOutput.print("IoTMaster: Driver object name: " + strObjectName, BOOL_VERBOSE);
1918                 sendString(strObjectName, outStream); recvAck(inStream);
1919                 RuntimeOutput.print("IoTMaster: Driver object class name: " + strObjectClassName, BOOL_VERBOSE);
1920                 sendString(strObjectClassName, outStream); recvAck(inStream);
1921                 RuntimeOutput.print("IoTMaster: Driver object interface name: " + strObjectClassInterfaceName, BOOL_VERBOSE);
1922                 sendString(strObjectClassInterfaceName, outStream); recvAck(inStream);
1923                 RuntimeOutput.print("IoTMaster: Driver object stub class name: " + strObjectStubClassInterfaceName + STR_STUB_CLASS_SUFFIX, BOOL_VERBOSE);
1924                 sendString(strObjectStubClassInterfaceName + STR_STUB_CLASS_SUFFIX, outStream); recvAck(inStream);
1925                 RuntimeOutput.print("IoTMaster: Driver object registry port: " + iRMIRegistryPort, BOOL_VERBOSE);
1926                 sendInteger(iRMIRegistryPort, outStream); recvAck(inStream);
1927                 RuntimeOutput.print("IoTMaster: Driver object stub port: " + iRMIStubPort, BOOL_VERBOSE);
1928                 sendInteger(iRMIStubPort, outStream); recvAck(inStream);
1929         }
1930
1931
1932         /**
1933          * Reinitialize IoTRelation field for C++
1934          */
1935         private void reinitializeIoTRelationFieldCpp(OutputStream outStream, InputStream inStream) throws IOException {
1936
1937                 RuntimeOutput.print("IoTMaster: About to Reinitialize IoTRelation field!", BOOL_VERBOSE);
1938                 sendCommCode(IoTCommCode.REINITIALIZE_IOTRELATION_FIELD, outStream, inStream);
1939                 RuntimeOutput.print("IoTMaster: Reinitialize IoTRelation field!", BOOL_VERBOSE);
1940         }
1941
1942
1943         /**
1944          * Reinitialize IoTSet field for C++
1945          */
1946         private void reinitializeIoTSetFieldCpp(OutputStream outStream, InputStream inStream) throws IOException {
1947
1948                 RuntimeOutput.print("IoTMaster: About to Reinitialize IoTSet field!", BOOL_VERBOSE);
1949                 sendCommCode(IoTCommCode.REINITIALIZE_IOTSET_FIELD, outStream, inStream);
1950                 RuntimeOutput.print("IoTMaster: Reinitialize IoTSet field!", BOOL_VERBOSE);
1951         }
1952
1953
1954         /**
1955          * Create driver object for C++
1956          */
1957         private void createDriverObjectCpp(OutputStream outStream, InputStream inStream) throws IOException {
1958
1959                 sendCommCode(IoTCommCode.CREATE_DRIVER_OBJECT, outStream, inStream);
1960                 RuntimeOutput.print("IoTMaster: Send command to create driver object!", BOOL_VERBOSE);
1961         }
1962
1963
1964         /**
1965          * Invoke init() for C++
1966          */
1967         private void invokeInitMethodCpp(OutputStream outStream, InputStream inStream) throws IOException {
1968
1969                 sendCommCode(IoTCommCode.INVOKE_INIT_METHOD, outStream, inStream);
1970                 RuntimeOutput.print("IoTMaster: Invoke init method!", BOOL_VERBOSE);
1971         }
1972
1973
1974         /**
1975          * End session for C++
1976          */
1977         public void endSessionCpp(OutputStream outStream) throws IOException {
1978
1979                 // Send message to end session
1980                 IoTCommCode endSessionCode = IoTCommCode.END_SESSION;
1981                 int intCode = endSessionCode.ordinal();
1982                 sendInteger(intCode, outStream);
1983                 //RuntimeOutput.print("IoTMaster: Send request to create a main object: " + strObjName, BOOL_VERBOSE);
1984                 RuntimeOutput.print("IoTMaster: Send request to end session!", BOOL_VERBOSE);
1985         }
1986
1987
1988         /**
1989          * A method to assign objects to multiple JVMs, including
1990          * the controller/device object that uses other objects
1991          * in IoTSet and IoTRelation
1992          *
1993          * @return       void
1994          */
1995         private void createObjects() {
1996
1997                 // PROFILING
1998                 long start = 0;
1999                 long result = 0;
2000
2001                 try {
2002                         // Extract hostname for this IoTMaster from MySQL DB
2003                         strIoTMasterHostAdd = routerConfig.getIPFromMACAddress(STR_MASTER_MAC_ADD);
2004                     // Assign a new list of PrintWriter objects
2005             routerConfig.renewPrintWriter();
2006             HashSet<String> setAddresses = null;
2007                         // Loop as we can still find controller/device classes
2008                         for(int i=0; i<strObjectNames.length; i++) {
2009                                 // PROFILING
2010                                 start = System.currentTimeMillis();
2011                         // Assign a new list of main PrintWriter objects
2012                 routerConfig.renewMainPrintWriter();
2013                                 // Get controller names one by one
2014                                 String strObjControllerName = strObjectNames[i];
2015                                 // Use LoadBalancer to assign a host address
2016                                 //strIoTSlaveControllerHostAdd = lbIoT.selectHost();
2017                                 strIoTSlaveControllerHostAdd = routerConfig.getIPFromMACAddress(lbIoT.selectHost());
2018                                 if (strIoTSlaveControllerHostAdd == null)
2019                                         throw new Error("IoTMaster: Could not translate MAC to IP address! Please check the router's /tmp/dhcp.leases!");
2020                                 // == START INITIALIZING CONTROLLER/DEVICE IOTSLAVE ==
2021                                 // Add port connection and get port numbers
2022                                 // Naming for objects ProximitySensor becomes ProximitySensor0, ProximitySensor1, etc.
2023                                 commHan.addPortConnection(strIoTSlaveControllerHostAdd, strObjControllerName);
2024                                 // ROUTING POLICY: IoTMaster and main controller object
2025                                 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTMasterHostAdd,
2026                                         strIoTSlaveControllerHostAdd, STR_TCP_PROTOCOL, commHan.getComPort(strObjControllerName));
2027                                 // ROUTING POLICY: Send the same routing policy to both the hosts
2028                                 routerConfig.configureHostMainPolicies(strIoTMasterHostAdd, strIoTMasterHostAdd,
2029                                         strIoTSlaveControllerHostAdd, STR_TCP_PROTOCOL, commHan.getComPort(strObjControllerName));
2030                                 routerConfig.configureHostMainPolicies(strIoTSlaveControllerHostAdd, strIoTMasterHostAdd,
2031                                         strIoTSlaveControllerHostAdd, STR_TCP_PROTOCOL, commHan.getComPort(strObjControllerName));
2032                                 // Read config file
2033                                 String strControllerCfg = STR_CONT_PATH + strObjControllerName + "/" + strObjControllerName + STR_CFG_FILE_EXT;
2034                                 STR_LANGUAGE_CONTROLLER = parseConfigFile(strControllerCfg, STR_LANGUAGE);
2035                                 if(STR_LANGUAGE_CONTROLLER == null)
2036                                         throw new Error("IoTMaster: Language specification missing in config file: " + strControllerCfg);
2037                                 // Construct ssh command line and create a controller thread for e.g. AcmeProximity
2038                                 String strSSHCommand = null;
2039                                 if(STR_LANGUAGE_CONTROLLER.equals(STR_JAVA))
2040                                         strSSHCommand = getCmdJavaIoTSlave(strObjControllerName);
2041                                 else if(STR_LANGUAGE_CONTROLLER.equals(STR_CPP))
2042                                         strSSHCommand = getCmdCppIoTSlave(strObjControllerName);
2043                                 else
2044                                         throw new Error("IoTMaster: Language specification not recognized: " + STR_LANGUAGE_CONTROLLER);
2045                                 RuntimeOutput.print(strSSHCommand, BOOL_VERBOSE);
2046                                 createThread(strSSHCommand);
2047                                 // Wait for connection
2048                                 // Create a new socket for communication
2049                                 ServerSocket serverSocket = new ServerSocket(commHan.getComPort(strObjControllerName));
2050                                 Socket socket = serverSocket.accept();
2051                                 InputStream inStream = null;
2052                                 OutputStream outStream = null;
2053                                 if(STR_LANGUAGE_CONTROLLER.equals(STR_JAVA)) {
2054                                         inStream = new ObjectInputStream(socket.getInputStream());
2055                                         outStream = new ObjectOutputStream(socket.getOutputStream());
2056                                 } else {        // At this point the language is certainly C++, otherwise would've complained above
2057                                         inStream = new BufferedInputStream(socket.getInputStream());
2058                                         outStream = new BufferedOutputStream(socket.getOutputStream());
2059                                         recvAck(inStream);
2060                                 }
2061                                 RuntimeOutput.print("IoTMaster: Communication established!", BOOL_VERBOSE);
2062                                 // Send files for every controller class
2063                                 // e.g. AcmeProximity.jar and AcmeProximity.zip
2064                                 String strControllerClassName = strObjControllerName + STR_CLS_FILE_EXT;
2065                                 String strControllerClassNamePath = STR_CONT_PATH + strObjControllerName + "/" +
2066                                         strControllerClassName;
2067
2068                                 if(STR_LANGUAGE_CONTROLLER.equals(STR_JAVA)) {
2069                                         sendFileToJavaSlave(strObjControllerName, serverSocket, inStream, outStream);
2070                                         // Create main controller/device object
2071                                         commMasterToSlave(new MessageCreateMainObject(IoTCommCode.CREATE_MAIN_OBJECT, strObjControllerName),
2072                                                 "Create main object!", inStream, outStream);
2073                                 } else {
2074                                         String strControllerZipFile = strObjControllerName + STR_ZIP_FILE_EXT;
2075                                         String strControllerFilePath = STR_CONT_PATH + strObjControllerName + "/";
2076                                         sendFileToCppSlave(strControllerFilePath, strControllerZipFile);
2077                                         createMainObjectCpp(strObjControllerName, outStream, inStream);
2078                                 }
2079                                 // Write basic MAC policies for controller
2080                                 if (STR_ACTIVATE_SANDBOXING.equals("Yes")) {
2081                                         String strFileName = null;
2082                                         if(STR_LANGUAGE_CONTROLLER.equals(STR_JAVA))
2083                                                 strFileName = STR_MAC_POL_PATH + STR_JAVA + STR_MAC_POLICY_EXT;
2084                                         else
2085                                                 strFileName = STR_MAC_POL_PATH + STR_CPP + STR_MAC_POLICY_EXT;
2086                                         processJailConfig.configureProcessJailControllerPolicies(strObjControllerName, strFileName,
2087                                                 strIoTMasterHostAdd, commHan.getComPort(strObjControllerName));
2088                                 // Whether or not we need additional Tomoyo policy?
2089                                     String strAddMACPolicy = parseConfigFile(strControllerCfg, STR_ADD_MAC_POL);
2090                                     if (strAddMACPolicy != null && strAddMACPolicy.equals("Yes")) {
2091                                     String strContMACCfg = STR_CONT_PATH + strObjControllerName + "/";
2092                                         processJailConfig.combineAdditionalMACPolicy(strContMACCfg, strObjControllerName, strObjControllerName);
2093                                     }
2094                                 }
2095                                 // == END INITIALIZING CONTROLLER/DEVICE IOTSLAVE ==
2096                                 // Instrumenting one file
2097                                 RuntimeOutput.print("IoTMaster: Opening class file: " + strControllerClassName, BOOL_VERBOSE);
2098                                 RuntimeOutput.print("IoTMaster: Class file path: " + strControllerClassNamePath, BOOL_VERBOSE);
2099                                 HashMap<String,Object> hmControllerFieldObjects = null;
2100                                 if(STR_LANGUAGE_CONTROLLER.equals(STR_JAVA)) {
2101                                         FileInputStream fis = new FileInputStream(strControllerClassNamePath);
2102                                         ClassReader cr = new ClassReader(fis);
2103                                         ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
2104                                         ClassRuntimeInstrumenterMaster crim = new ClassRuntimeInstrumenterMaster(cw, null, BOOL_VERBOSE);
2105                                         cr.accept(crim, 0);
2106                                         fis.close();
2107                                         hmControllerFieldObjects = crim.getFieldObjects();
2108                                 } else {
2109                                         String strControllerConfigFile = STR_CONT_PATH + strObjControllerName + "/" + strObjControllerName + STR_CFG_FILE_EXT;
2110                                         CRuntimeInstrumenterMaster crim = new CRuntimeInstrumenterMaster(strControllerConfigFile, null, BOOL_VERBOSE);
2111                                         hmControllerFieldObjects = crim.getFieldObjects();
2112                                 }
2113                                 // Get the object and the class names
2114                                 // Build objects for IoTSet and IoTRelation fields in the controller/device classes
2115                                 //HashMap<String,Object> hmControllerFieldObjects = crim.getFieldObjects();
2116                                 for(Map.Entry<String,Object> map : hmControllerFieldObjects.entrySet()) {
2117                                         RuntimeOutput.print("IoTMaster: Object name: " + map.getValue().getClass().getName(), BOOL_VERBOSE);
2118                                         // Iterate over HashMap and choose between processing
2119                                         // SetInstrumenter vs. RelationInstrumenter
2120                                         String strFieldName = map.getKey();
2121                                         String strClassName = map.getValue().getClass().getName();
2122                                         if(strClassName.equals(STR_SET_INSTRUMENTER_CLS)) {
2123                                                 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
2124                                                 if(setInstrumenter.getObjTableName().equals(STR_IOT_DEV_ADD_CLS)) {
2125                                                         String strErrMsg = "IoTMaster: Controller object" +
2126                                                                 " cannot have IoTSet<IoTDeviceAddress>!";
2127                                                         throw new Error(strErrMsg);
2128                                                 } else if(setInstrumenter.getObjTableName().equals(STR_IOT_ZB_ADD_CLS)) {
2129                                                         String strErrMsg = "IoTMaster: Controller object" +
2130                                                                 " cannot have IoTSet<ZigbeeAddress>!";
2131                                                         throw new Error(strErrMsg);
2132                                                 } else if(setInstrumenter.getObjTableName().equals(STR_IOT_ADD_CLS)) {
2133                                                 // Instrument the IoTAddress
2134                                                         setRouterPolicyIoTSetAddress(strFieldName, map, strIoTSlaveControllerHostAdd, strObjControllerName);
2135                                                         instrumentIoTSetAddress(strFieldName, strFieldName, inStream, outStream, STR_LANGUAGE_CONTROLLER);
2136                                                 } else {
2137                                                 // Any other cases
2138                                                         instrumentIoTSet(map, strFieldName, strObjControllerName, STR_LANGUAGE_CONTROLLER);
2139                                                 }
2140                                         } else if (strClassName.equals(STR_REL_INSTRUMENTER_CLS)) {
2141                                                 instrumentIoTRelation(map, strFieldName, strObjControllerName, STR_LANGUAGE_CONTROLLER);
2142                                         }
2143                                 }
2144                                 // Combine controller MAC policies with the main policy file for the host
2145                                 String strTempFileName = "./" + strObjControllerName + STR_MAC_POLICY_EXT;
2146                                 processJailConfig.combineControllerMACPolicies(strIoTSlaveControllerHostAdd, strObjControllerName, strTempFileName);
2147                                 processJailConfig.flush();
2148                                 // ROUTING POLICY: implement basic policies to reject all other irrelevant traffics
2149                                 for(String s: commHan.getHosts()) {
2150                                         setHostBasicPolicies(s);
2151                                 }
2152                                 // We retain all the basic policies for router,
2153                                 // but we delete the initial allowance policies for internal all TCP and UDP communications
2154                                 setRouterBasicPolicies(STR_ROUTER_ADD);
2155                                 routerConfig.closeMain();
2156                                 // Deploy the policy
2157                                 setAddresses = new HashSet<String>(commHan.getHosts());
2158                                 setAddresses.add(strIoTMasterHostAdd);
2159                                 // See if firewall policy is configured to be "on" or "off"
2160                                 if (STR_POLICY_ON.equals(STR_YES))
2161                                         createPolicyThreads(STR_ROUTER_ADD, setAddresses);
2162                                 // Separating object creations and Set/Relation initializations
2163                                 createDriverObjects();
2164                                 // Sets and relations initializations
2165                                 if(STR_LANGUAGE_CONTROLLER.equals(STR_JAVA))
2166                                         initializeSetsAndRelationsJava(inStream, outStream);
2167                                 else
2168                                         initializeSetsAndRelationsCpp(inStream, outStream);;
2169                                 if(STR_LANGUAGE_CONTROLLER.equals(STR_JAVA))
2170                                         // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO EXECUTE INIT METHOD
2171                                         commMasterToSlave(new MessageSimple(IoTCommCode.INVOKE_INIT_METHOD), "Invoke init() method!", inStream, outStream);
2172                                 else
2173                                         invokeInitMethodCpp(outStream, inStream);
2174                                 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO END PROCESS
2175                                 if(STR_LANGUAGE_CONTROLLER.equals(STR_JAVA)) {
2176                                         ObjectOutputStream oStream = (ObjectOutputStream) outStream;
2177                                         oStream.writeObject(new MessageSimple(IoTCommCode.END_SESSION));
2178                                 } else  // C++ side will wait until the program finishes, it's not generating a separate thread for now
2179                                         //endSessionCpp(outStream);
2180                                 outStream.close();
2181                                 inStream.close();
2182                                 socket.close();
2183                                 serverSocket.close();
2184                                 objInitHand.clearObjectInitHandler();
2185                                 commHan.printLists();
2186                                 commHan.clearCommunicationHandler();
2187                                 lbIoT.printHostInfo();
2188                         }
2189                         // Close access to policy files and deploy policies
2190                         routerConfig.close();
2191                         processJailConfig.close();
2192                         if (STR_ACTIVATE_SANDBOXING.equals("Yes"))
2193                                 createMACPolicyThreads(setAddresses);
2194
2195                 } catch (IOException          |
2196                                  InterruptedException |
2197                                  ClassNotFoundException ex) {
2198                         System.out.println("IoTMaster: Exception: "
2199                                 + ex.getMessage());
2200                         ex.printStackTrace();
2201                 }
2202         }
2203
2204         public static void main(String args[]) {
2205
2206                 // Detect the available controller/device classes
2207                 // Input args[] should be used to list the controllers/devices
2208                 // e.g. java IoTMaster AcmeProximity AcmeThermostat AcmeVentController
2209                 IoTMaster iotMaster = new IoTMaster(args);
2210                 // Read config file
2211                 iotMaster.parseIoTMasterConfigFile();
2212                 // Initialize CommunicationHandler, LoadBalancer, and RouterConfig
2213                 iotMaster.initLiveDataStructure();
2214                 // Create objects
2215                 iotMaster.createObjects();
2216         }
2217 }