1 package iotruntime.master;
4 import iotruntime.slave.IoTAddress;
5 import iotruntime.slave.IoTDeviceAddress;
6 import iotruntime.messages.*;
9 import org.objectweb.asm.ClassReader;
10 import org.objectweb.asm.ClassWriter;
11 import org.objectweb.asm.ClassVisitor;
16 import java.io.BufferedReader;
17 import java.io.InputStream;
18 import java.io.InputStreamReader;
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;
33 import static java.lang.Math.toIntExact;
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.
39 * @author Rahmadi Trimananda <rahmadi.trimananda @ uci.edu>
43 public class IoTMaster {
46 * IoTMaster class properties
48 * CommunicationHandler maintains the data structure for hostnames and ports
49 * LoadBalancer assigns a job onto a host based on certain metrics
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;
62 * These properties hold information of a certain object
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;
77 * For connection with C++ IoTSlave
79 private ServerSocket serverSocketCpp;
80 private Socket socketCpp;
81 private BufferedInputStream inputCpp;
82 private BufferedOutputStream outputCpp;
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 boolean BOOL_VERBOSE;
108 * IoTMaster class constants
110 * Name constants - not to be configured by users
112 private static final String STR_IOT_MASTER_NAME = "IoTMaster";
113 private static final String STR_CFG_FILE_EXT = ".config";
114 private static final String STR_CLS_FILE_EXT = ".class";
115 private static final String STR_JAR_FILE_EXT = ".jar";
116 private static final String STR_MAC_POLICY_EXT = ".tomoyo.pol";
117 private static final String STR_SHELL_FILE_EXT = ".sh";
118 private static final String STR_SO_FILE_EXT = ".so";
119 private static final String STR_ZIP_FILE_EXT = ".zip";
120 private static final String STR_TCP_PROTOCOL = "tcp";
121 private static final String STR_UDP_PROTOCOL = "udp";
122 private static final String STR_TCPGW_PROTOCOL = "tcpgw";
123 private static final String STR_NO_PROTOCOL = "nopro";
124 private static final String STR_SELF_MAC_ADD = "00:00:00:00:00:00";
125 private static final String STR_INTERFACE_CLS_CFG = "INTERFACE_CLASS";
126 private static final String STR_INT_STUB_CLS_CFG = "INTERFACE_STUB_CLASS";
127 private static final String STR_FILE_TRF_CFG = "ADDITIONAL_ZIP_FILE";
128 private static final String STR_LANGUAGE = "LANGUAGE";
129 private static final String STR_YES = "Yes";
130 private static final String STR_NO = "No";
131 private static final String STR_JAVA = "Java";
132 private static final String STR_CPP = "C++";
133 private static final String STR_SSH = "ssh";
134 private static final String STR_SCP = "scp";
135 private static final String STR_IOTSLAVE_CPP = "./IoTSlave.o";
136 private static final String STR_SHELL_HEADER = "#!/bin/sh";
137 private static final String STR_JAVA_PATH = "/usr/bin/java";
138 private static final String STR_MAC_POL_PATH = "tomoyo/";
140 private static int INT_SIZE = 4; // send length in the size of integer (4 bytes)
143 * Runtime class name constants - not to be configured by users
145 private static final String STR_REL_INSTRUMENTER_CLS = "iotruntime.master.RelationInstrumenter";
146 private static final String STR_SET_INSTRUMENTER_CLS = "iotruntime.master.SetInstrumenter";
147 private static final String STR_IOT_SLAVE_CLS = "iotruntime.slave.IoTSlave";
148 private static final String STR_IOT_DEV_ADD_CLS = "IoTDeviceAddress";
149 private static final String STR_IOT_ZB_ADD_CLS = "IoTZigbeeAddress";
150 private static final String STR_IOT_ADD_CLS = "IoTAddress";
156 public IoTMaster(String[] argObjNms) {
161 processJailConfig = null;
163 objAddInitHand = null;
164 strObjectNames = argObjNms;
166 strObjClassName = null;
167 strObjClassInterfaceName = null;
168 strObjStubClsIntfaceName = null;
169 strIoTMasterHostAdd = null;
170 strIoTSlaveControllerHostAdd = null;
171 strIoTSlaveObjectHostAdd = null;
172 arrFieldClasses = null;
173 arrFieldValues = null;
175 mapClassNameToCrim = null;
176 // Connection with C++ IoTSlave
177 serverSocketCpp = null;
182 STR_MASTER_MAC_ADD = null;
183 STR_IOT_CODE_PATH = null;
184 STR_CONT_PATH = null;
185 STR_RUNTIME_DIR = null;
186 STR_SLAVE_DIR = null;
189 STR_RMI_HOSTNAME = null;
190 STR_LOG_FILE_PATH = null;
192 STR_ROUTER_ADD = null;
193 STR_MONITORING_HOST = null;
194 STR_ZB_GATEWAY_ADDRESS = null;
195 STR_ZB_GATEWAY_PORT = null;
196 STR_ZB_IOTMASTER_PORT = null;
197 STR_JVM_INIT_HEAP_SIZE = null;
198 STR_JVM_MAX_HEAP_SIZE = null;
199 STR_LANGUAGE_CONTROLLER = null;
200 BOOL_VERBOSE = false;
204 * A method to initialize CommunicationHandler, LoadBalancer, RouterConfig and ObjectInitHandler
208 private void initLiveDataStructure() {
210 commHan = new CommunicationHandler(BOOL_VERBOSE);
211 lbIoT = new LoadBalancer(BOOL_VERBOSE);
212 lbIoT.setupLoadBalancer();
213 routerConfig = new RouterConfig();
214 routerConfig.getAddressList(STR_ROUTER_ADD);
215 processJailConfig = new ProcessJailConfig();
216 //processJailConfig.setAddressListObject(routerConfig.getAddressListObject());
217 objInitHand = new ObjectInitHandler(BOOL_VERBOSE);
218 objAddInitHand = new ObjectAddressInitHandler(BOOL_VERBOSE);
219 mapClassNameToCrim = new HashMap<String,Object>();
223 * getPrintWriter() gets a new PrintWriter for a new object
225 * @param strObjectName String object name
226 * @return PrintWriter
228 private PrintWriter getPrintWriter(String strObjectName) {
230 FileWriter fw = null;
232 fw = new FileWriter(strObjectName);
233 } catch (IOException ex) {
234 ex.printStackTrace();
236 PrintWriter printWriter = new PrintWriter(new BufferedWriter(fw));
241 * A method to initialize constants from config file
245 private void parseIoTMasterConfigFile() {
246 // Parse configuration file
247 Properties prop = new Properties();
248 String strCfgFileName = STR_IOT_MASTER_NAME + STR_CFG_FILE_EXT;
249 File file = new File(strCfgFileName);
250 FileInputStream fis = null;
252 fis = new FileInputStream(file);
255 } catch (IOException ex) {
256 System.out.println("IoTMaster: Error reading config file: " + strCfgFileName);
257 ex.printStackTrace();
259 // Initialize constants from config file
260 STR_MASTER_MAC_ADD = prop.getProperty("MAC_ADDRESS");
261 STR_IOT_CODE_PATH = prop.getProperty("IOT_CODE_PATH");
262 STR_CONT_PATH = prop.getProperty("CONTROLLERS_CODE_PATH");
263 STR_RUNTIME_DIR = prop.getProperty("RUNTIME_DIR");
264 STR_SLAVE_DIR = prop.getProperty("SLAVE_DIR");
265 STR_CLS_PATH = prop.getProperty("CLASS_PATH");
266 STR_RMI_PATH = prop.getProperty("RMI_PATH");
267 STR_RMI_HOSTNAME = prop.getProperty("RMI_HOSTNAME");
268 STR_LOG_FILE_PATH = prop.getProperty("LOG_FILE_PATH");
269 STR_USERNAME = prop.getProperty("USERNAME");
270 STR_ROUTER_ADD = prop.getProperty("ROUTER_ADD");
271 STR_MONITORING_HOST = prop.getProperty("MONITORING_HOST");
272 STR_ZB_GATEWAY_ADDRESS = prop.getProperty("ZIGBEE_GATEWAY_ADDRESS");
273 STR_ZB_GATEWAY_PORT = prop.getProperty("ZIGBEE_GATEWAY_PORT");
274 STR_ZB_IOTMASTER_PORT = prop.getProperty("ZIGBEE_IOTMASTER_PORT");
275 STR_JVM_INIT_HEAP_SIZE = prop.getProperty("JVM_INIT_HEAP_SIZE");
276 STR_JVM_MAX_HEAP_SIZE = prop.getProperty("JVM_MAX_HEAP_SIZE");
277 STR_SKEL_CLASS_SUFFIX = prop.getProperty("SKEL_CLASS_SUFFIX");
278 STR_STUB_CLASS_SUFFIX = prop.getProperty("STUB_CLASS_SUFFIX");
279 if(prop.getProperty("VERBOSE").equals(STR_YES)) {
283 RuntimeOutput.print("IoTMaster: Extracting information from config file: " + strCfgFileName, BOOL_VERBOSE);
284 RuntimeOutput.print("STR_MASTER_MAC_ADD=" + STR_MASTER_MAC_ADD, BOOL_VERBOSE);
285 RuntimeOutput.print("STR_IOT_CODE_PATH=" + STR_IOT_CODE_PATH, BOOL_VERBOSE);
286 RuntimeOutput.print("STR_CONT_PATH=" + STR_CONT_PATH, BOOL_VERBOSE);
287 RuntimeOutput.print("STR_RUNTIME_DIR=" + STR_RUNTIME_DIR, BOOL_VERBOSE);
288 RuntimeOutput.print("STR_SLAVE_DIR=" + STR_SLAVE_DIR, BOOL_VERBOSE);
289 RuntimeOutput.print("STR_CLS_PATH=" + STR_CLS_PATH, BOOL_VERBOSE);
290 RuntimeOutput.print("STR_RMI_PATH=" + STR_RMI_PATH, BOOL_VERBOSE);
291 RuntimeOutput.print("STR_RMI_HOSTNAME=" + STR_RMI_HOSTNAME, BOOL_VERBOSE);
292 RuntimeOutput.print("STR_LOG_FILE_PATH=" + STR_LOG_FILE_PATH, BOOL_VERBOSE);
293 RuntimeOutput.print("STR_USERNAME=" + STR_USERNAME, BOOL_VERBOSE);
294 RuntimeOutput.print("STR_ROUTER_ADD=" + STR_ROUTER_ADD, BOOL_VERBOSE);
295 RuntimeOutput.print("STR_MONITORING_HOST=" + STR_MONITORING_HOST, BOOL_VERBOSE);
296 RuntimeOutput.print("STR_ZB_GATEWAY_ADDRESS=" + STR_ZB_GATEWAY_ADDRESS, BOOL_VERBOSE);
297 RuntimeOutput.print("STR_ZB_GATEWAY_PORT=" + STR_ZB_GATEWAY_PORT, BOOL_VERBOSE);
298 RuntimeOutput.print("STR_ZB_IOTMASTER_PORT=" + STR_ZB_IOTMASTER_PORT, BOOL_VERBOSE);
299 RuntimeOutput.print("STR_JVM_INIT_HEAP_SIZE=" + STR_JVM_INIT_HEAP_SIZE, BOOL_VERBOSE);
300 RuntimeOutput.print("STR_JVM_MAX_HEAP_SIZE=" + STR_JVM_MAX_HEAP_SIZE, BOOL_VERBOSE);
301 RuntimeOutput.print("STR_SKEL_CLASS_SUFFIX=" + STR_SKEL_CLASS_SUFFIX, BOOL_VERBOSE);
302 RuntimeOutput.print("STR_STUB_CLASS_SUFFIX=" + STR_STUB_CLASS_SUFFIX, BOOL_VERBOSE);
303 RuntimeOutput.print("BOOL_VERBOSE=" + BOOL_VERBOSE, BOOL_VERBOSE);
304 RuntimeOutput.print("IoTMaster: Information extracted successfully!", BOOL_VERBOSE);
308 * A method to parse information from a config file
310 * @param strCfgFileName Config file name
311 * @param strCfgField Config file field name
314 private String parseConfigFile(String strCfgFileName, String strCfgField) {
315 // Parse configuration file
316 Properties prop = new Properties();
317 File file = new File(strCfgFileName);
318 FileInputStream fis = null;
320 fis = new FileInputStream(file);
323 } catch (IOException ex) {
324 System.out.println("IoTMaster: Error reading config file: " + strCfgFileName);
325 ex.printStackTrace();
327 System.out.println("IoTMaster: Reading " + strCfgField +
328 " from config file: " + strCfgFileName + " with value: " +
329 prop.getProperty(strCfgField, null));
330 // NULL is returned if the property isn't found
331 return prop.getProperty(strCfgField, null);
335 * A method to send files from IoTMaster
337 * @param filesocket File socket object
338 * @param sFileName File name
339 * @param lFLength File length
342 private void sendFile(Socket filesocket, String sFileName, long lFLength) throws IOException {
344 File file = new File(sFileName);
345 byte[] bytFile = new byte[toIntExact(lFLength)];
346 InputStream inFileStream = new FileInputStream(file);
348 OutputStream outFileStream = filesocket.getOutputStream();
350 while ((iCount = inFileStream.read(bytFile)) > 0) {
351 outFileStream.write(bytFile, 0, iCount);
354 RuntimeOutput.print("IoTMaster: File sent!", BOOL_VERBOSE);
358 * A method to create a thread
360 * @param sSSHCmd SSH command
363 private void createThread(String sSSHCmd) throws IOException {
365 // Start a new thread to start a new JVM
367 Runtime runtime = Runtime.getRuntime();
368 Process process = runtime.exec(sSSHCmd);
370 RuntimeOutput.print("Executing: " + sSSHCmd, BOOL_VERBOSE);
374 * A method to send command from master and receive reply from slave
376 * @params msgSend Message object
377 * @params strPurpose String that prints purpose message
378 * @params inStream Input stream
379 * @params outStream Output stream
382 private void commMasterToSlave(Message msgSend, String strPurpose,
383 InputStream _inStream, OutputStream _outStream)
384 throws IOException, ClassNotFoundException {
386 // Send message/command from master
387 ObjectOutputStream outStream = (ObjectOutputStream) _outStream;
388 outStream.writeObject(msgSend);
389 RuntimeOutput.print("IoTMaster: Send message: " + strPurpose, BOOL_VERBOSE);
391 // Get reply from slave as acknowledgment
392 ObjectInputStream inStream = (ObjectInputStream) _inStream;
393 Message msgReply = (Message) inStream.readObject();
394 RuntimeOutput.print("IoTMaster: Reply message: " + msgReply.getMessage(), BOOL_VERBOSE);
398 * A private method to instrument IoTSet device
400 * @params strFieldIdentifier String field name + object ID
401 * @params strFieldName String field name
402 * @params strIoTSlaveObjectHostAdd String slave host address
403 * @params inStream ObjectInputStream communication
404 * @params inStream ObjectOutputStream communication
405 * @params strLanguage String language
408 private void instrumentIoTSetDevice(String strFieldIdentifier, String strObjName, String strFieldName, String strIoTSlaveObjectHostAdd,
409 InputStream inStream, OutputStream outStream, String strLanguage)
410 throws IOException, ClassNotFoundException, InterruptedException {
412 // Get information from the set
413 List<Object[]> listObject = objAddInitHand.getFields(strFieldIdentifier);
414 // Create a new IoTSet
415 if(strLanguage.equals(STR_JAVA)) {
416 Message msgCrtIoTSet = new MessageCreateSetRelation(IoTCommCode.CREATE_NEW_IOTSET, strFieldName);
417 commMasterToSlave(msgCrtIoTSet, "Create new IoTSet for IoTDeviceAddress!", inStream, outStream);
419 createNewIoTSetCpp(strFieldName, outStream, inStream);
420 int iRows = listObject.size();
421 RuntimeOutput.print("IoTMaster: Number of rows for IoTDeviceAddress: " + iRows, BOOL_VERBOSE);
422 // Transfer the address
423 for(int iRow=0; iRow<iRows; iRow++) {
424 arrFieldValues = listObject.get(iRow);
425 // Get device address - if 00:00:00:00:00:00 that means it needs the driver object address (self)
426 String strDeviceAddress = null;
427 String strDeviceAddressKey = null;
428 if (arrFieldValues[0].equals(STR_SELF_MAC_ADD)) {
429 strDeviceAddress = strIoTSlaveObjectHostAdd;
430 strDeviceAddressKey = strObjName + "-" + strIoTSlaveObjectHostAdd;
432 strDeviceAddress = routerConfig.getIPFromMACAddress((String) arrFieldValues[0]);
433 strDeviceAddressKey = strObjName + "-" + strDeviceAddress;
435 int iDestDeviceDriverPort = (int) arrFieldValues[1];
436 String strProtocol = (String) arrFieldValues[2];
437 // Check for wildcard feature
438 boolean bSrcPortWildCard = false;
439 boolean bDstPortWildCard = false;
440 if (arrFieldValues.length > 3) {
441 bSrcPortWildCard = (boolean) arrFieldValues[3];
442 bDstPortWildCard = (boolean) arrFieldValues[4];
444 // Add the port connection into communication handler - if it's not assigned yet
445 if (commHan.getComPort(strDeviceAddressKey) == null) {
446 commHan.addPortConnection(strIoTSlaveObjectHostAdd, strDeviceAddressKey);
450 System.out.println("\n\n DEBUG: InstrumentSetDevice: Object Name: " + strObjName);
451 System.out.println("DEBUG: InstrumentSetDevice: Port number: " + commHan.getComPort(strDeviceAddressKey));
452 System.out.println("DEBUG: InstrumentSetDevice: Device address: " + strDeviceAddressKey + "\n\n");
454 // Send address one by one
455 if(strLanguage.equals(STR_JAVA)) {
456 Message msgGetIoTSetObj = null;
457 if (bDstPortWildCard) {
458 String strUniqueDev = strDeviceAddressKey + ":" + iRow;
459 msgGetIoTSetObj = new MessageGetDeviceObject(IoTCommCode.GET_DEVICE_IOTSET_OBJECT,
460 strDeviceAddress, commHan.getAdditionalPort(strUniqueDev), iDestDeviceDriverPort, bSrcPortWildCard, bDstPortWildCard);
462 msgGetIoTSetObj = new MessageGetDeviceObject(IoTCommCode.GET_DEVICE_IOTSET_OBJECT,
463 strDeviceAddress, commHan.getComPort(strDeviceAddressKey), iDestDeviceDriverPort, bSrcPortWildCard, bDstPortWildCard);
464 commMasterToSlave(msgGetIoTSetObj, "Get IoTSet objects!", inStream, outStream);
466 getDeviceIoTSetObjectCpp(outStream, inStream, strDeviceAddress, commHan.getComPort(strDeviceAddressKey), iDestDeviceDriverPort,
467 bSrcPortWildCard, bDstPortWildCard);
469 // Reinitialize IoTSet on device object
470 if(strLanguage.equals(STR_JAVA))
471 commMasterToSlave(new MessageSimple(IoTCommCode.REINITIALIZE_IOTSET_FIELD), "Reinitialize IoTSet fields!", inStream, outStream);
473 reinitializeIoTSetFieldCpp(outStream, inStream);
478 * A private method to instrument IoTSet Zigbee device
480 * @params Map.Entry<String,Object> Entry of map IoTSet instrumentation
481 * @params strFieldName String field name
482 * @params strIoTSlaveObjectHostAdd String slave host address
483 * @params inStream ObjectInputStream communication
484 * @params inStream ObjectOutputStream communication
485 * @params strLanguage String language
488 private void instrumentIoTSetZBDevice(Map.Entry<String,Object> map, String strObjName, String strFieldName, String strIoTSlaveObjectHostAdd,
489 InputStream inStream, OutputStream outStream, String strLanguage)
490 throws IOException, ClassNotFoundException, InterruptedException {
492 // Get information from the set
493 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
494 // Create a new IoTSet
495 if(strLanguage.equals(STR_JAVA)) {
496 Message msgCrtIoTSet = new MessageCreateSetRelation(IoTCommCode.CREATE_NEW_IOTSET, strFieldName);
497 commMasterToSlave(msgCrtIoTSet, "Create new IoTSet for IoTZigbeeAddress!", inStream, outStream);
498 } else // TODO: will need to implement IoTSet Zigbee for C++ later
500 // Prepare ZigbeeConfig
501 String strZigbeeGWAddress = routerConfig.getIPFromMACAddress(STR_ZB_GATEWAY_ADDRESS);
502 String strZigbeeGWAddressKey = strObjName + "-" + strZigbeeGWAddress;
503 int iZigbeeGWPort = Integer.parseInt(STR_ZB_GATEWAY_PORT);
504 int iZigbeeIoTMasterPort = Integer.parseInt(STR_ZB_IOTMASTER_PORT);
505 commHan.addDevicePort(iZigbeeIoTMasterPort);
506 ZigbeeConfig zbConfig = new ZigbeeConfig(strZigbeeGWAddress, iZigbeeGWPort, iZigbeeIoTMasterPort,
508 // Add the port connection into communication handler - if it's not assigned yet
509 if (commHan.getComPort(strZigbeeGWAddressKey) == null) {
510 commHan.addPortConnection(strIoTSlaveObjectHostAdd, strZigbeeGWAddressKey);
512 int iRows = setInstrumenter.numberOfRows();
513 RuntimeOutput.print("IoTMaster: Number of rows for IoTZigbeeAddress: " + iRows, BOOL_VERBOSE);
516 System.out.println("\n\nDEBUG: InstrumentZigbeeDevice: Object Name: " + strObjName);
517 System.out.println("DEBUG: InstrumentZigbeeDevice: Port number: " + commHan.getComPort(strZigbeeGWAddressKey));
518 System.out.println("DEBUG: InstrumentZigbeeDevice: Device address: " + strZigbeeGWAddress + "\n\n");
520 // Transfer the address
521 for(int iRow=0; iRow<iRows; iRow++) {
522 arrFieldValues = setInstrumenter.fieldValues(iRow);
523 // Get device address
524 String strZBDevAddress = (String) arrFieldValues[0];
525 // Send policy to Zigbee gateway - TODO: Need to clear policy first?
526 zbConfig.setPolicy(strIoTSlaveObjectHostAdd, commHan.getComPort(strZigbeeGWAddressKey), strZBDevAddress);
527 // Send address one by one
528 if(strLanguage.equals(STR_JAVA)) {
529 Message msgGetIoTSetZBObj = new MessageGetSimpleDeviceObject(IoTCommCode.GET_ZB_DEV_IOTSET_OBJECT, strZBDevAddress);
530 commMasterToSlave(msgGetIoTSetZBObj, "Get IoTSet objects!", inStream, outStream);
531 } else // TODO: Implement IoTSet Zigbee for C++
534 zbConfig.closeConnection();
535 // Reinitialize IoTSet on device object
536 commMasterToSlave(new MessageSimple(IoTCommCode.REINITIALIZE_IOTSET_FIELD), "Reinitialize IoTSet fields!", inStream, outStream);
541 * A private method to instrument IoTSet of addresses
543 * @params strFieldIdentifier String field name + object ID
544 * @params strFieldName String field name
545 * @params inStream ObjectInputStream communication
546 * @params inStream ObjectOutputStream communication
547 * @params strLanguage String language
550 private void instrumentIoTSetAddress(String strFieldIdentifier, String strFieldName,
551 InputStream inStream, OutputStream outStream, String strLanguage)
552 throws IOException, ClassNotFoundException, InterruptedException {
554 // Get information from the set
555 List<Object[]> listObject = objAddInitHand.getFields(strFieldIdentifier);
556 // Create a new IoTSet
557 if(strLanguage.equals(STR_JAVA)) {
558 Message msgCrtIoTSet = new MessageCreateSetRelation(IoTCommCode.CREATE_NEW_IOTSET, strFieldName);
559 commMasterToSlave(msgCrtIoTSet, "Create new IoTSet for IoTAddress!", inStream, outStream);
562 int iRows = listObject.size();
563 RuntimeOutput.print("IoTMaster: Number of rows for IoTAddress: " + iRows, BOOL_VERBOSE);
564 // Transfer the address
565 for(int iRow=0; iRow<iRows; iRow++) {
566 arrFieldValues = listObject.get(iRow);
567 // Get device address
568 String strAddress = (String) arrFieldValues[0];
569 // Send address one by one
570 if(strLanguage.equals(STR_JAVA)) {
571 Message msgGetIoTSetAddObj = new MessageGetSimpleDeviceObject(IoTCommCode.GET_ADD_IOTSET_OBJECT, strAddress);
572 commMasterToSlave(msgGetIoTSetAddObj, "Get IoTSet objects!", inStream, outStream);
573 } else // TODO: Implement IoTSet Address for C++
576 // Reinitialize IoTSet on device object
577 commMasterToSlave(new MessageSimple(IoTCommCode.REINITIALIZE_IOTSET_FIELD),
578 "Reinitialize IoTSet fields!", inStream, outStream);
583 * A private method to instrument an object on a specific machine and setting up policies
585 * @params strFieldObjectID String field object ID
586 * @params strObjControllerName String object controller name
587 * @params strLanguage String language
590 private void instrumentObject(String strFieldObjectID, String strObjControllerName, String strLanguage) throws IOException {
592 // Extract the interface name for RMI
593 // e.g. ProximitySensorInterface, TempSensorInterface, etc.
595 String strObjCfgFile = STR_IOT_CODE_PATH + strObjClassName + "/" + strObjClassName + STR_CFG_FILE_EXT;
596 strObjClassInterfaceName = parseConfigFile(strObjCfgFile, STR_INTERFACE_CLS_CFG);
597 strObjStubClsIntfaceName = parseConfigFile(strObjCfgFile, STR_INT_STUB_CLS_CFG);
598 // Create an object name, e.g. ProximitySensorImplPS1
599 strObjName = strObjClassName + strFieldObjectID;
600 // Check first if host exists
601 if(commHan.objectExists(strObjName)) {
602 // If this object exists already ...
603 // Re-read IoTSlave object hostname for further reference
604 strIoTSlaveObjectHostAdd = commHan.getHostAddress(strObjName);
605 RuntimeOutput.print("IoTMaster: Object with name: " + strObjName + " has existed!", BOOL_VERBOSE);
607 // If this is a new object ... then create one
608 // Get host address for IoTSlave from LoadBalancer
609 //strIoTSlaveObjectHostAdd = lbIoT.selectHost();
610 strIoTSlaveObjectHostAdd = routerConfig.getIPFromMACAddress(lbIoT.selectHost());
611 if (strIoTSlaveControllerHostAdd == null)
612 throw new Error("IoTMaster: Could not translate MAC to IP address! Please check the router's /tmp/dhcp.leases!");
613 RuntimeOutput.print("IoTMaster: Object name: " + strObjName, BOOL_VERBOSE);
614 // Add port connection and get port numbers
615 // Naming for objects ProximitySensor becomes ProximitySensor0, ProximitySensor1, etc.
616 commHan.addPortConnection(strIoTSlaveObjectHostAdd, strObjName);
617 commHan.addActiveControllerObject(strFieldObjectID, strObjName, strObjClassName, strObjClassInterfaceName,
618 strObjStubClsIntfaceName, strIoTSlaveObjectHostAdd, arrFieldValues, arrFieldClasses);
619 // ROUTING POLICY: IoTMaster and device/controller object
620 // Master-slave communication
621 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTMasterHostAdd,
622 strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL, commHan.getComPort(strObjName));
623 // ROUTING POLICY: Send the same routing policy to both the hosts
624 routerConfig.configureHostMainPolicies(strIoTMasterHostAdd, strIoTMasterHostAdd,
625 strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL, commHan.getComPort(strObjName));
626 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTMasterHostAdd,
627 strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL, commHan.getComPort(strObjName));
628 // Need to accommodate callback functions here - open ports for TCP
629 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveControllerHostAdd,
630 strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
631 routerConfig.configureHostMainPolicies(strIoTSlaveControllerHostAdd, strIoTSlaveControllerHostAdd,
632 strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
633 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveControllerHostAdd,
634 strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
635 // Configure MAC policies for objects
636 //String strFileName = STR_MAC_POL_PATH + strObjClassName + STR_MAC_POLICY_EXT;
637 String strFileName = STR_MAC_POL_PATH + STR_JAVA + STR_MAC_POLICY_EXT;
638 processJailConfig.configureProcessJailDeviceDriverPolicies(strIoTSlaveObjectHostAdd, strObjName, strObjClassName,
639 strFileName, strIoTMasterHostAdd, commHan.getComPort(strObjName), commHan.getRMIRegPort(strObjName),
640 commHan.getRMIStubPort(strObjName));
641 processJailConfig.configureProcessJailContRMIPolicies(strObjControllerName, strIoTSlaveObjectHostAdd,
642 commHan.getRMIRegPort(strObjName), commHan.getRMIStubPort(strObjName));
643 // Instrument the IoTSet declarations inside the class file
644 instrumentObjectIoTSet(strFieldObjectID, strLanguage);
646 // Send routing policy to router for controller object
647 // ROUTING POLICY: RMI communication - RMI registry and stub ports
648 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
649 STR_TCP_PROTOCOL, commHan.getRMIRegPort(strObjName));
650 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
651 STR_TCP_PROTOCOL, commHan.getRMIStubPort(strObjName));
652 // Send the same set of routing policies to compute nodes
653 routerConfig.configureHostMainPolicies(strIoTSlaveControllerHostAdd, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
654 STR_TCP_PROTOCOL, commHan.getRMIRegPort(strObjName));
655 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
656 STR_TCP_PROTOCOL, commHan.getRMIRegPort(strObjName));
657 routerConfig.configureHostMainPolicies(strIoTSlaveControllerHostAdd, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
658 STR_TCP_PROTOCOL, commHan.getRMIStubPort(strObjName));
659 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
660 STR_TCP_PROTOCOL, commHan.getRMIStubPort(strObjName));
665 * A private method to set router policies for IoTDeviceAddress objects
667 * @params strFieldIdentifier String field name + object ID
668 * @params Map.Entry<String,Object> Entry of map IoTSet instrumentation
669 * @params strIoTSlaveObjectHostAdd String slave host address
672 private void setRouterPolicyIoTSetDevice(String strFieldIdentifier, Map.Entry<String,Object> map,
673 String strIoTSlaveObjectHostAdd) {
675 // Get information from the set
676 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
677 int iRows = setInstrumenter.numberOfRows();
678 RuntimeOutput.print("IoTMaster: Number of rows for IoTDeviceAddress: " + iRows, BOOL_VERBOSE);
679 // Transfer the address
680 for(int iRow=0; iRow<iRows; iRow++) {
681 arrFieldValues = setInstrumenter.fieldValues(iRow);
682 objAddInitHand.addField(strFieldIdentifier, arrFieldValues); // Save this for object instantiation
683 // Get device address - if 00:00:00:00:00:00 that means it needs the driver object address (self)
684 String strDeviceAddress = null;
685 String strDeviceAddressKey = null;
686 if (arrFieldValues[0].equals(STR_SELF_MAC_ADD)) {
687 strDeviceAddress = strIoTSlaveObjectHostAdd;
688 strDeviceAddressKey = strObjName + "-" + strIoTSlaveObjectHostAdd;
689 } else { // Concatenate object name and IP address to give unique key - for a case where there is one device for multiple drivers
690 strDeviceAddress = routerConfig.getIPFromMACAddress((String) arrFieldValues[0]);
691 strDeviceAddressKey = strObjName + "-" + strDeviceAddress;
693 int iDestDeviceDriverPort = (int) arrFieldValues[1];
694 String strProtocol = (String) arrFieldValues[2];
695 // Add the port connection into communication handler - if it's not assigned yet
696 if (commHan.getComPort(strDeviceAddressKey) == null)
697 commHan.addPortConnection(strIoTSlaveObjectHostAdd, strDeviceAddressKey);
698 boolean bDstPortWildCard = false;
699 // Recognize this and allocate different ports for it
700 if (arrFieldValues.length > 3) {
701 bDstPortWildCard = (boolean) arrFieldValues[4];
702 if (bDstPortWildCard) { // This needs a unique source port
703 String strUniqueDev = strDeviceAddressKey + ":" + iRow;
704 commHan.addAdditionalPort(strUniqueDev);
709 System.out.println("\n\n DEBUG: InstrumentPolicySetDevice: Object Name: " + strObjName);
710 System.out.println("DEBUG: InstrumentPolicySetDevice: Port number: " + commHan.getComPort(strDeviceAddressKey));
711 System.out.println("DEBUG: InstrumentPolicySetDevice: Device address: " + strDeviceAddressKey + "\n\n");
713 // Send routing policy to router for device drivers and devices
714 // ROUTING POLICY: RMI communication - RMI registry and stub ports
715 if((iDestDeviceDriverPort == -1) && (!strProtocol.equals(STR_NO_PROTOCOL))) {
716 // Port number -1 means that we don't set the policy strictly to port number level
717 // "nopro" = no protocol specified for just TCP or just UDP (can be both used as well)
718 // ROUTING POLICY: Device driver and device
719 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveObjectHostAdd, strDeviceAddress, strProtocol);
720 // ROUTING POLICY: Send to the compute node where the device driver is
721 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveObjectHostAdd, strDeviceAddress, strProtocol);
722 } else if((iDestDeviceDriverPort == -1) && (strProtocol.equals(STR_NO_PROTOCOL))) {
723 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveObjectHostAdd, strDeviceAddress);
724 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveObjectHostAdd, strDeviceAddress);
725 } else if(strProtocol.equals(STR_TCPGW_PROTOCOL)) {
726 // This is a TCP protocol that connects, e.g. a phone to our runtime system
727 // that provides a gateway access (accessed through destination port number)
728 commHan.addDevicePort(iDestDeviceDriverPort);
729 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveObjectHostAdd, strDeviceAddress, STR_TCP_PROTOCOL, iDestDeviceDriverPort);
730 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveObjectHostAdd, strDeviceAddress, STR_TCP_PROTOCOL, iDestDeviceDriverPort);
731 routerConfig.configureRouterHTTPPolicies(STR_ROUTER_ADD, strIoTSlaveObjectHostAdd, strDeviceAddress);
732 routerConfig.configureHostHTTPPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveObjectHostAdd, strDeviceAddress);
734 // Other port numbers...
735 commHan.addDevicePort(iDestDeviceDriverPort);
736 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveObjectHostAdd, strDeviceAddress, strProtocol,
737 commHan.getComPort(strDeviceAddressKey), iDestDeviceDriverPort);
738 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveObjectHostAdd, strDeviceAddress, strProtocol,
739 commHan.getComPort(strDeviceAddressKey), iDestDeviceDriverPort);
740 // Configure MAC policies
741 processJailConfig.configureProcessJailDevicePolicies(strIoTSlaveObjectHostAdd, strProtocol,
742 commHan.getComPort(strDeviceAddressKey), strDeviceAddress, iDestDeviceDriverPort);
748 * A private method to set router policies for IoTAddress objects
750 * @params strFieldIdentifier String field name + object ID
751 * @params Map.Entry<String,Object> Entry of map IoTSet instrumentation
752 * @params strHostAddress String host address
755 private void setRouterPolicyIoTSetAddress(String strFieldIdentifier, Map.Entry<String,Object> map,
756 String strHostAddress) {
758 // Get information from the set
759 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
760 int iRows = setInstrumenter.numberOfRows();
761 RuntimeOutput.print("IoTMaster: Number of rows for IoTAddress: " + iRows, BOOL_VERBOSE);
762 // Transfer the address
763 for(int iRow=0; iRow<iRows; iRow++) {
764 arrFieldValues = setInstrumenter.fieldValues(iRow);
765 objAddInitHand.addField(strFieldIdentifier, arrFieldValues); // Save this for object instantiation
766 // Get device address
767 String strAddress = (String) arrFieldValues[0];
768 // Setting up router policies for HTTP/HTTPs
769 routerConfig.configureRouterHTTPPolicies(STR_ROUTER_ADD, strHostAddress, strAddress);
770 routerConfig.configureHostHTTPPolicies(strHostAddress, strHostAddress, strAddress);
775 * A private method to instrument an object's IoTSet and IoTRelation field to up policies
777 * Mostly the IoTSet fields would contain IoTDeviceAddress objects
779 * @params strFieldObjectID String field object ID
780 * @params strLanguage String language
783 private void instrumentObjectIoTSet(String strFieldObjectID, String strLanguage) throws IOException {
785 // If this is a new object ... then create one
786 // Instrument the class source code and look for IoTSet for device addresses
787 // e.g. @config private IoTSet<IoTDeviceAddress> lb_addresses;
788 HashMap<String,Object> hmObjectFieldObjects = null;
789 if(strLanguage.equals(STR_JAVA)) {
790 String strObjectClassNamePath = STR_IOT_CODE_PATH + strObjClassName + "/" + strObjClassName + STR_CLS_FILE_EXT;
791 FileInputStream fis = new FileInputStream(strObjectClassNamePath);
792 ClassReader cr = new ClassReader(fis);
793 ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
794 // We need Object ID to instrument IoTDeviceAddress
795 ClassRuntimeInstrumenterMaster crim = new ClassRuntimeInstrumenterMaster(cw, strFieldObjectID, BOOL_VERBOSE);
798 mapClassNameToCrim.put(strObjClassName + strFieldObjectID, crim);
799 hmObjectFieldObjects = crim.getFieldObjects();
801 String strObjectClassNamePath = STR_IOT_CODE_PATH + strObjClassName + "/" + strObjClassName + STR_CFG_FILE_EXT;
802 CRuntimeInstrumenterMaster crim = new CRuntimeInstrumenterMaster(strObjectClassNamePath, strFieldObjectID, BOOL_VERBOSE);
803 mapClassNameToCrim.put(strObjClassName + strFieldObjectID, crim);
804 hmObjectFieldObjects = crim.getFieldObjects();
806 // Get the object and the class names
807 // Build objects for IoTSet and IoTRelation fields in the device object classes
808 RuntimeOutput.print("IoTMaster: Going to instrument for " + strObjClassName + " with objectID " +
809 strFieldObjectID, BOOL_VERBOSE);
810 for(Map.Entry<String,Object> map : hmObjectFieldObjects.entrySet()) {
811 RuntimeOutput.print("IoTMaster: Object name: " + map.getValue().getClass().getName(), BOOL_VERBOSE);
812 // Iterate over HashMap and choose between processing
813 String strFieldName = map.getKey();
814 String strClassName = map.getValue().getClass().getName();
815 String strFieldIdentifier = strFieldName + strFieldObjectID;
816 if(strClassName.equals(STR_SET_INSTRUMENTER_CLS)) {
817 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
818 if(setInstrumenter.getObjTableName().equals(STR_IOT_DEV_ADD_CLS)) {
819 // Instrument the normal IoTDeviceAddress
820 setRouterPolicyIoTSetDevice(strFieldIdentifier, map, strIoTSlaveObjectHostAdd);
821 } else if(setInstrumenter.getObjTableName().equals(STR_IOT_ADD_CLS)) {
822 // Instrument the IoTAddress
823 setRouterPolicyIoTSetAddress(strFieldIdentifier, map, strIoTSlaveObjectHostAdd);
824 } else if(setInstrumenter.getObjTableName().equals(STR_IOT_ZB_ADD_CLS)) {
825 // Instrument the IoTZigbeeAddress - special feature for Zigbee device support
826 RuntimeOutput.print("IoTMaster: IoTZigbeeAddress found! No router policy is set here..",
829 String strErrMsg = "IoTMaster: Device driver object" +
830 " can only have IoTSet<IoTAddress>, IoTSet<IoTDeviceAddress>," +
831 " or IoTSet<IoTZigbeeAddress>!";
832 throw new Error(strErrMsg);
835 String strErrMsg = "IoTMaster: Device driver object can only have IoTSet for addresses!";
836 throw new Error(strErrMsg);
843 * A private method to send files to a Java slave driver
845 * @params serverSocket ServerSocket
846 * @params _inStream InputStream
847 * @params _outStream OutputStream
848 * @params strObjName String
849 * @params strObjClassName String
850 * @params strObjClassInterfaceName String
851 * @params strObjStubClsIntfaceName String
852 * @params strIoTSlaveObjectHostAdd String
853 * @params strFieldObjectID String
854 * @params arrFieldValues Object[]
855 * @params arrFieldClasses Class[]
858 private void sendFileToJavaSlaveDriver(ServerSocket serverSocket, InputStream _inStream, OutputStream _outStream,
859 String strObjName, String strObjClassName, String strObjClassInterfaceName, String strObjStubClsIntfaceName,
860 String strIoTSlaveObjectHostAdd, String strFieldObjectID, Object[] arrFieldValues, Class[] arrFieldClasses)
861 throws IOException, ClassNotFoundException {
863 ObjectInputStream inStream = (ObjectInputStream) _inStream;
864 ObjectOutputStream outStream = (ObjectOutputStream) _outStream;
865 // Create message to transfer file first
866 String sFileName = strObjClassName + STR_JAR_FILE_EXT;
867 String sPath = STR_IOT_CODE_PATH + strObjClassName + "/" + sFileName;
868 File file = new File(sPath);
869 commMasterToSlave(new MessageSendFile(IoTCommCode.TRANSFER_FILE, sFileName, file.length()),
870 "Sending file!", inStream, outStream);
871 // Send file - JAR file for object creation
872 sendFile(serverSocket.accept(), sPath, file.length());
873 Message msgReply = (Message) inStream.readObject();
874 RuntimeOutput.print("IoTMaster: Reply message: " + msgReply.getMessage(), BOOL_VERBOSE);
875 // Pack object information to create object on a IoTSlave
876 Message msgObjIoTSlave = new MessageCreateObject(IoTCommCode.CREATE_OBJECT, strIoTSlaveObjectHostAdd,
877 strObjClassName, strObjName, strObjClassInterfaceName, strObjStubClsIntfaceName, commHan.getRMIRegPort(strObjName),
878 commHan.getRMIStubPort(strObjName), arrFieldValues, arrFieldClasses);
880 commMasterToSlave(msgObjIoTSlave, "Sending object information", inStream, outStream);
885 * A private method to send files to a Java slave driver
889 private void sendFileToCppSlaveDriver(String strObjClassName, String strIoTSlaveObjectHostAdd)
890 throws IOException, ClassNotFoundException {
892 // Create message to transfer file first
893 String sFileName = strObjClassName + STR_ZIP_FILE_EXT;
894 String sFile = STR_IOT_CODE_PATH + strObjClassName + "/" + sFileName;
895 String strCmdSend = STR_SCP + " " + sFile + " " + STR_USERNAME + strIoTSlaveObjectHostAdd + ":" + STR_SLAVE_DIR;
896 runCommand(strCmdSend);
897 RuntimeOutput.print("IoTMaster: Executing: " + strCmdSend, BOOL_VERBOSE);
899 String strCmdUnzip = STR_SSH + " " + STR_USERNAME + strIoTSlaveObjectHostAdd + " cd " +
900 STR_SLAVE_DIR + " sudo unzip -o " + sFileName + ";";
901 runCommand(strCmdUnzip);
902 RuntimeOutput.print("IoTMaster: Executing: " + strCmdUnzip, BOOL_VERBOSE);
908 * Construct command line for Java IoTSlave
912 private String getCmdJavaDriverIoTSlave(String strIoTMasterHostAdd, String strIoTSlaveObjectHostAdd, String strObjName) {
914 // Create an Shell executable
915 String strJavaCommand = STR_SHELL_HEADER + "\nexec " + STR_JAVA_PATH + " " + STR_CLS_PATH + " " + STR_RMI_PATH + " " +
916 STR_RMI_HOSTNAME + strIoTSlaveObjectHostAdd + " " + STR_IOT_SLAVE_CLS + " " + strIoTMasterHostAdd + " " +
917 commHan.getComPort(strObjName) + " " + commHan.getRMIRegPort(strObjName) + " " +
918 commHan.getRMIStubPort(strObjName) + " > " + STR_LOG_FILE_PATH + strObjName + ".log &";
919 String shellFile = "./" + strObjName + STR_SHELL_FILE_EXT;
920 createWrapperShellScript(strJavaCommand, shellFile);
921 // Send the file to the compute node
922 String strCmdSend = "scp " + shellFile + " " + STR_USERNAME + strIoTSlaveObjectHostAdd + ":" + STR_RUNTIME_DIR;
923 runCommand(strCmdSend);
924 System.out.println("IoTMaster: Sending shell file: " + strCmdSend);
925 return STR_SSH + " " + STR_USERNAME + strIoTSlaveObjectHostAdd + " cd " + STR_RUNTIME_DIR + " " + shellFile;
930 * Construct command line for C++ IoTSlave
934 private String getCmdCppDriverIoTSlave(String strIoTMasterHostAdd, String strIoTSlaveObjectHostAdd, String strObjName) {
936 return STR_SSH + " " + STR_USERNAME + strIoTSlaveObjectHostAdd + " cd " +
937 STR_SLAVE_DIR + " sudo " + STR_IOTSLAVE_CPP + " " + strIoTMasterHostAdd + " " +
938 commHan.getComPort(strObjName) + " " + strObjName;
943 * createWrapperShellScript() gets a wrapper shell script
945 * @param strCommand String command
946 * @param strObjectName String object name
947 * @return PrintWriter
949 private void createWrapperShellScript(String strCommand, String strFileName) {
951 PrintWriter printWriter = getPrintWriter(strFileName);
952 printWriter.println(strCommand);
954 runCommand("chmod 755 " + strFileName);
959 * A private method to create an object on a specific machine
961 * @params strObjName String object name
962 * @params strObjClassName String object class name
963 * @params strObjClassInterfaceName String object class interface name
964 * @params strIoTSlaveObjectHostAdd String IoTSlave host address
965 * @params strFieldObjectID String field object ID
966 * @params arrFieldValues Array of field values
967 * @params arrFieldClasses Array of field classes
970 private void createObject(String strObjName, String strObjClassName, String strObjClassInterfaceName, String strObjStubClsIntfaceName,
971 String strIoTSlaveObjectHostAdd, String strFieldObjectID, Object[] arrFieldValues, Class[] arrFieldClasses)
972 throws IOException, FileNotFoundException, ClassNotFoundException, InterruptedException {
975 String sCfgFile = STR_IOT_CODE_PATH + strObjClassName + "/" + strObjClassName + STR_CFG_FILE_EXT;
976 String strLanguageDriver = parseConfigFile(sCfgFile, STR_LANGUAGE + "_" + strObjName);
977 if(strLanguageDriver == null) // Read just the field LANGUAGE if the first read is null
978 strLanguageDriver = parseConfigFile(sCfgFile, STR_LANGUAGE);
979 if(strLanguageDriver == null) // Check nullness for the second time - report if it is still null
980 throw new Error("IoTMaster: Language specification missing in config file: " + sCfgFile);
985 start = System.currentTimeMillis();
987 // Construct ssh command line
988 // e.g. ssh rtrimana@dw-2.eecs.uci.edu cd <path>;
989 // java -cp $CLASSPATH:./*.jar
990 // -Djava.rmi.server.codebase=file:./*.jar
991 // iotruntime.IoTSlave dw-1.eecs.uci.edu 46151 23829 42874 &
992 // The In-Port for IoTMaster is the Out-Port for IoTSlave and vice versa
993 String strSSHCommand = null;
994 if(strLanguageDriver.equals(STR_JAVA))
995 strSSHCommand = getCmdJavaDriverIoTSlave(strIoTMasterHostAdd, strIoTSlaveObjectHostAdd, strObjName);
996 else if(strLanguageDriver.equals(STR_CPP))
997 strSSHCommand = getCmdCppDriverIoTSlave(strIoTMasterHostAdd, strIoTSlaveObjectHostAdd, strObjName);
999 throw new Error("IoTMaster: Language specification not recognized: " + strLanguageDriver);
1000 RuntimeOutput.print("IoTMaster: Language for " + strObjName + " is " + strLanguageDriver, BOOL_VERBOSE);
1002 RuntimeOutput.print(strSSHCommand, BOOL_VERBOSE);
1003 // Start a new thread to start a new JVM
1004 createThread(strSSHCommand);
1005 ServerSocket serverSocket = new ServerSocket(commHan.getComPort(strObjName));
1006 Socket socket = serverSocket.accept();
1007 //InputStream inStream = new ObjectInputStream(socket.getInputStream());
1008 //OutputStream outStream = new ObjectOutputStream(socket.getOutputStream());
1009 InputStream inStream = null;
1010 OutputStream outStream = null;
1011 if(strLanguageDriver.equals(STR_JAVA)) {
1012 inStream = new ObjectInputStream(socket.getInputStream());
1013 outStream = new ObjectOutputStream(socket.getOutputStream());
1014 } else { // At this point the language is certainly C++, otherwise would've complained above
1015 inStream = new BufferedInputStream(socket.getInputStream());
1016 outStream = new BufferedOutputStream(socket.getOutputStream());
1021 result = System.currentTimeMillis()-start;
1022 System.out.println("\n\n ==> Time needed to start JVM for " + strObjName + ": " + result + "\n\n");
1025 start = System.currentTimeMillis();
1027 if(strLanguageDriver.equals(STR_JAVA)) {
1028 sendFileToJavaSlaveDriver(serverSocket, inStream, outStream, strObjName,
1029 strObjClassName, strObjClassInterfaceName, strObjStubClsIntfaceName,
1030 strIoTSlaveObjectHostAdd, strFieldObjectID, arrFieldValues, arrFieldClasses);
1032 sendFileToCppSlaveDriver(strObjClassName, strIoTSlaveObjectHostAdd);
1033 createObjectCpp(strObjName, strObjClassName, strObjClassInterfaceName, strIoTSlaveObjectHostAdd,
1034 commHan.getRMIRegPort(strObjName), commHan.getRMIStubPort(strObjName), arrFieldValues, arrFieldClasses,
1035 outStream, inStream);
1039 result = System.currentTimeMillis()-start;
1040 System.out.println("\n\n ==> Time needed to send JAR file for " + strObjName + ": " + result + "\n\n");
1043 start = System.currentTimeMillis();
1045 // Instrument the class source code and look for IoTSet for device addresses
1046 // e.g. @config private IoTSet<IoTDeviceAddress> lb_addresses;
1047 RuntimeOutput.print("IoTMaster: Instantiating for " + strObjClassName + " with objectID " + strFieldObjectID, BOOL_VERBOSE);
1048 // Get the object and the class names
1049 // Build objects for IoTSet and IoTRelation fields in the device object classes
1050 Object crimObj = mapClassNameToCrim.get(strObjClassName + strFieldObjectID);
1051 HashMap<String,Object> hmObjectFieldObjects = null;
1052 if (crimObj instanceof ClassRuntimeInstrumenterMaster) {
1053 ClassRuntimeInstrumenterMaster crim = (ClassRuntimeInstrumenterMaster) crimObj;
1054 hmObjectFieldObjects = crim.getFieldObjects();
1055 } else if (crimObj instanceof CRuntimeInstrumenterMaster) {
1056 CRuntimeInstrumenterMaster crim = (CRuntimeInstrumenterMaster) crimObj;
1057 hmObjectFieldObjects = crim.getFieldObjects();
1059 for(Map.Entry<String,Object> map : hmObjectFieldObjects.entrySet()) {
1060 RuntimeOutput.print("IoTMaster: Object name: " + map.getValue().getClass().getName(), BOOL_VERBOSE);
1061 // Iterate over HashMap and choose between processing
1062 String strFieldName = map.getKey();
1063 String strClassName = map.getValue().getClass().getName();
1064 String strFieldIdentifier = strFieldName + strFieldObjectID;
1065 if(strClassName.equals(STR_SET_INSTRUMENTER_CLS)) {
1066 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
1067 if(setInstrumenter.getObjTableName().equals(STR_IOT_DEV_ADD_CLS)) {
1068 // Instrument the normal IoTDeviceAddress
1069 synchronized(this) {
1070 instrumentIoTSetDevice(strFieldIdentifier, strObjName, strFieldName, strIoTSlaveObjectHostAdd, inStream, outStream, strLanguageDriver);
1072 } else if(setInstrumenter.getObjTableName().equals(STR_IOT_ZB_ADD_CLS)) {
1073 // Instrument the IoTZigbeeAddress - special feature for Zigbee device support
1074 synchronized(this) {
1075 instrumentIoTSetZBDevice(map, strObjName, strFieldName, strIoTSlaveObjectHostAdd, inStream, outStream, strLanguageDriver);
1077 } else if(setInstrumenter.getObjTableName().equals(STR_IOT_ADD_CLS)) {
1078 // Instrument the IoTAddress
1079 synchronized(this) {
1080 instrumentIoTSetAddress(strFieldIdentifier, strFieldName, inStream, outStream, strLanguageDriver);
1083 String strErrMsg = "IoTMaster: Device driver object can only have IoTSet<IoTAddress>, IoTSet<IoTDeviceAddress>," +
1084 " or IoTSet<IoTZigbeeAddress>!";
1085 throw new Error(strErrMsg);
1088 String strErrMsg = "IoTMaster: Device driver object can only have IoTSet for addresses!";
1089 throw new Error(strErrMsg);
1093 // TODO: Change this later
1094 if(strLanguageDriver.equals(STR_JAVA)) {
1095 ObjectOutputStream oStream = (ObjectOutputStream) outStream;
1096 oStream.writeObject(new MessageSimple(IoTCommCode.END_SESSION));
1097 } else { // C++ side for now will be running continuously because it's an infinite loop (not in a separate thread)
1098 createDriverObjectCpp(outStream, inStream);
1099 //endSessionCpp(outStream);
1103 result = System.currentTimeMillis()-start;
1104 System.out.println("\n\n ==> Time needed to create object " + strObjName + " and instrument IoTDeviceAddress: " + result + "\n\n");
1110 serverSocket.close();
1115 * A private method to create controller objects
1119 private void createDriverObjects() throws InterruptedException {
1121 // Create a list of threads
1122 List<Thread> threads = new ArrayList<Thread>();
1123 // Get the list of active controller objects and loop it
1124 List<String> listActiveControllerObject = commHan.getActiveControllerObjectList();
1125 for(String strObjName : listActiveControllerObject) {
1127 ObjectCreationInfo objCrtInfo = commHan.getObjectCreationInfo(strObjName);
1128 Thread objectThread = new Thread(new Runnable() {
1130 synchronized(this) {
1132 createObject(strObjName, objCrtInfo.getObjectClassName(), objCrtInfo.getObjectClassInterfaceName(),
1133 objCrtInfo.getObjectStubClassInterfaceName(), objCrtInfo.getIoTSlaveObjectHostAdd(),
1134 commHan.getFieldObjectID(strObjName), commHan.getArrayFieldValues(strObjName),
1135 commHan.getArrayFieldClasses(strObjName));
1136 } catch (IOException |
1137 ClassNotFoundException |
1138 InterruptedException ex) {
1139 ex.printStackTrace();
1144 threads.add(objectThread);
1145 objectThread.start();
1148 for (Thread thread : threads) {
1151 } catch (InterruptedException ex) {
1152 ex.printStackTrace();
1159 * A private method to instrument IoTSet
1161 * @params Map.Entry<String,Object> Entry of map IoTSet instrumentation
1162 * @params strFieldName String field name
1163 * @params strLanguage String language
1166 private void instrumentIoTSet(Map.Entry<String,Object> map, String strFieldName, String strObjControllerName, String strLanguage)
1167 throws IOException, ClassNotFoundException, InterruptedException {
1169 // Get information from the set
1170 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
1171 objInitHand.addField(strFieldName, IoTCommCode.CREATE_NEW_IOTSET);
1173 int iRows = setInstrumenter.numberOfRows();
1174 for(int iRow=0; iRow<iRows; iRow++) {
1175 // Get field classes and values
1176 arrFieldClasses = setInstrumenter.fieldClasses(iRow);
1177 arrFieldValues = setInstrumenter.fieldValues(iRow);
1178 // Get object ID and class name
1179 String strObjID = setInstrumenter.fieldObjectID(iRow);
1180 strObjClassName = setInstrumenter.fieldEntryType(strObjID);
1181 // Call the method to create an object
1182 instrumentObject(strObjID, strObjControllerName, strLanguage);
1183 objInitHand.addObjectIntoField(strFieldName, strIoTSlaveObjectHostAdd, strObjName,
1184 strObjClassName, strObjClassInterfaceName, strObjStubClsIntfaceName, commHan.getRMIRegPort(strObjName),
1185 commHan.getRMIStubPort(strObjName));
1191 * A private method to instrument IoTRelation
1193 * @params Map.Entry<String,Object> Entry of map IoTRelation instrumentation
1194 * @params strFieldName String field name
1195 * @params strLanguage String language
1198 private void instrumentIoTRelation(Map.Entry<String,Object> map, String strFieldName, String strObjControllerName, String strLanguage)
1199 throws IOException, ClassNotFoundException, InterruptedException {
1201 // Get information from the set
1202 RelationInstrumenter relationInstrumenter = (RelationInstrumenter) map.getValue();
1203 int iRows = relationInstrumenter.numberOfRows();
1204 objInitHand.addField(strFieldName, IoTCommCode.CREATE_NEW_IOTRELATION);
1206 for(int iRow=0; iRow<iRows; iRow++) {
1207 // Operate on the first set first
1208 arrFieldClasses = relationInstrumenter.firstFieldClasses(iRow);
1209 arrFieldValues = relationInstrumenter.firstFieldValues(iRow);
1210 String strObjID = relationInstrumenter.firstFieldObjectID(iRow);
1211 strObjClassName = relationInstrumenter.firstEntryFieldType(strObjID);
1212 // Call the method to create an object
1213 instrumentObject(strObjID, strObjControllerName, strLanguage);
1214 // Get the first object controller host address
1215 String strFirstIoTSlaveObjectHostAdd = strIoTSlaveObjectHostAdd;
1216 objInitHand.addObjectIntoField(strFieldName, strIoTSlaveObjectHostAdd, strObjName,
1217 strObjClassName, strObjClassInterfaceName, strObjStubClsIntfaceName,
1218 commHan.getRMIRegPort(strObjName), commHan.getRMIStubPort(strObjName));
1219 // Operate on the second set
1220 arrFieldClasses = relationInstrumenter.secondFieldClasses(iRow);
1221 arrFieldValues = relationInstrumenter.secondFieldValues(iRow);
1222 strObjID = relationInstrumenter.secondFieldObjectID(iRow);
1223 strObjClassName = relationInstrumenter.secondEntryFieldType(strObjID);
1224 // Call the method to create an object
1225 instrumentObject(strObjID, strObjControllerName, strLanguage);
1226 // Get the second object controller host address
1227 String strSecondIoTSlaveObjectHostAdd = strIoTSlaveObjectHostAdd;
1228 objInitHand.addSecondObjectIntoField(strFieldName, strIoTSlaveObjectHostAdd, strObjName,
1229 strObjClassName, strObjClassInterfaceName, strObjStubClsIntfaceName,
1230 commHan.getRMIRegPort(strObjName), commHan.getRMIStubPort(strObjName));
1231 // ROUTING POLICY: first and second controller objects in IoTRelation
1232 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strFirstIoTSlaveObjectHostAdd,
1233 strSecondIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
1234 // ROUTING POLICY: Send the same routing policy to both the hosts
1235 routerConfig.configureHostMainPolicies(strFirstIoTSlaveObjectHostAdd, strFirstIoTSlaveObjectHostAdd,
1236 strSecondIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
1237 routerConfig.configureHostMainPolicies(strSecondIoTSlaveObjectHostAdd, strFirstIoTSlaveObjectHostAdd,
1238 strSecondIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
1243 * A method to reinitialize IoTSet and IoTRelation in the code based on ObjectInitHandler information
1245 * @params inStream ObjectInputStream communication
1246 * @params outStream ObjectOutputStream communication
1249 private void initializeSetsAndRelationsJava(InputStream inStream, OutputStream outStream)
1250 throws IOException, ClassNotFoundException {
1251 // Get list of fields
1252 List<String> strFields = objInitHand.getListOfFields();
1253 // Iterate on HostAddress
1254 for(String str : strFields) {
1255 IoTCommCode iotcommMsg = objInitHand.getFieldMessage(str);
1256 if (iotcommMsg == IoTCommCode.CREATE_NEW_IOTSET) {
1257 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO CREATE IOTSET
1258 Message msgCrtIoTSet = new MessageCreateSetRelation(IoTCommCode.CREATE_NEW_IOTSET, str);
1259 commMasterToSlave(msgCrtIoTSet, "Create new IoTSet!", inStream, outStream);
1260 List<ObjectInitInfo> listObject = objInitHand.getListObjectInitInfo(str);
1261 for (ObjectInitInfo objInitInfo : listObject) {
1262 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO FILL IN IOTSET
1263 commMasterToSlave(new MessageGetObject(IoTCommCode.GET_IOTSET_OBJECT, objInitInfo.getIoTSlaveObjectHostAdd(),
1264 objInitInfo.getObjectName(), objInitInfo.getObjectClassName(), objInitInfo.getObjectClassInterfaceName(),
1265 objInitInfo.getObjectStubClassInterfaceName(), objInitInfo.getRMIRegistryPort(), objInitInfo.getRMIStubPort()),
1266 "Get IoTSet object!", inStream, outStream);
1269 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO REINITIALIZE IOTSET FIELD
1270 commMasterToSlave(new MessageSimple(IoTCommCode.REINITIALIZE_IOTSET_FIELD),
1271 "Renitialize IoTSet field!", inStream, outStream);
1272 } else if (iotcommMsg == IoTCommCode.CREATE_NEW_IOTRELATION) {
1273 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO CREATE IOTRELATION
1274 Message msgCrtIoTRel = new MessageCreateSetRelation(IoTCommCode.CREATE_NEW_IOTRELATION, str);
1275 commMasterToSlave(msgCrtIoTRel, "Create new IoTRelation!", inStream, outStream);
1276 List<ObjectInitInfo> listObject = objInitHand.getListObjectInitInfo(str);
1277 List<ObjectInitInfo> listSecondObject = objInitHand.getSecondObjectInitInfo(str);
1278 Iterator it = listSecondObject.iterator();
1279 for (ObjectInitInfo objInitInfo : listObject) {
1280 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO FILL IN IOTRELATION (FIRST OBJECT)
1281 commMasterToSlave(new MessageGetObject(IoTCommCode.GET_IOTRELATION_FIRST_OBJECT,
1282 objInitInfo.getIoTSlaveObjectHostAdd(), objInitInfo.getObjectName(), objInitInfo.getObjectClassName(),
1283 objInitInfo.getObjectClassInterfaceName(), objInitInfo.getObjectStubClassInterfaceName(),
1284 objInitInfo.getRMIRegistryPort(), objInitInfo.getRMIStubPort()),
1285 "Get IoTRelation first object!", inStream, outStream);
1286 ObjectInitInfo objSecObj = (ObjectInitInfo) it.next();
1287 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO FILL IN IOTRELATION (SECOND OBJECT)
1288 commMasterToSlave(new MessageGetObject(IoTCommCode.GET_IOTRELATION_SECOND_OBJECT,
1289 objSecObj.getIoTSlaveObjectHostAdd(), objSecObj.getObjectName(), objSecObj.getObjectClassName(),
1290 objSecObj.getObjectClassInterfaceName(), objSecObj.getObjectStubClassInterfaceName(),
1291 objSecObj.getRMIRegistryPort(), objSecObj.getRMIStubPort()),
1292 "Get IoTRelation second object!", inStream, outStream);
1294 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO REINITIALIZE IOTRELATION FIELD
1295 commMasterToSlave(new MessageSimple(IoTCommCode.REINITIALIZE_IOTRELATION_FIELD),
1296 "Renitialize IoTRelation field!", inStream, outStream);
1302 * A method to reinitialize IoTSet and IoTRelation in the code based on ObjectInitHandler information
1304 * @params inStream ObjectInputStream communication
1305 * @params outStream ObjectOutputStream communication
1308 private void initializeSetsAndRelationsCpp(InputStream inStream, OutputStream outStream)
1309 throws IOException, ClassNotFoundException {
1310 // Get list of fields
1311 List<String> strFields = objInitHand.getListOfFields();
1312 // Iterate on HostAddress
1313 for(String str : strFields) {
1314 IoTCommCode iotcommMsg = objInitHand.getFieldMessage(str);
1315 if (iotcommMsg == IoTCommCode.CREATE_NEW_IOTSET) {
1316 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO CREATE IOTSET
1317 createNewIoTSetCpp(str, outStream, inStream);
1318 List<ObjectInitInfo> listObject = objInitHand.getListObjectInitInfo(str);
1319 for (ObjectInitInfo objInitInfo : listObject) {
1320 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO FILL IN IOTSET
1321 getIoTSetRelationObjectCpp(IoTCommCode.GET_IOTSET_OBJECT, objInitInfo.getIoTSlaveObjectHostAdd(), objInitInfo.getObjectName(),
1322 objInitInfo.getObjectClassName(), objInitInfo.getObjectClassInterfaceName(), objInitInfo.getObjectStubClassInterfaceName(),
1323 objInitInfo.getRMIRegistryPort(), objInitInfo.getRMIStubPort(), outStream, inStream);
1325 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO REINITIALIZE IOTSET FIELD
1326 reinitializeIoTSetFieldCpp(outStream, inStream);
1327 } else if (iotcommMsg == IoTCommCode.CREATE_NEW_IOTRELATION) {
1328 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO CREATE IOTRELATION
1329 // TODO: createNewIoTRelation needs to be created here!
1330 createNewIoTRelationCpp(str, outStream, inStream);
1331 List<ObjectInitInfo> listObject = objInitHand.getListObjectInitInfo(str);
1332 List<ObjectInitInfo> listSecondObject = objInitHand.getSecondObjectInitInfo(str);
1333 Iterator it = listSecondObject.iterator();
1334 for (ObjectInitInfo objInitInfo : listObject) {
1335 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO FILL IN IOTRELATION (FIRST OBJECT)
1336 getIoTSetRelationObjectCpp(IoTCommCode.GET_IOTRELATION_FIRST_OBJECT, objInitInfo.getIoTSlaveObjectHostAdd(), objInitInfo.getObjectName(),
1337 objInitInfo.getObjectClassName(), objInitInfo.getObjectClassInterfaceName(), objInitInfo.getObjectStubClassInterfaceName(),
1338 objInitInfo.getRMIRegistryPort(), objInitInfo.getRMIStubPort(), outStream, inStream);
1339 ObjectInitInfo objSecObj = (ObjectInitInfo) it.next();
1340 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO FILL IN IOTRELATION (SECOND OBJECT)
1341 getIoTSetRelationObjectCpp(IoTCommCode.GET_IOTRELATION_SECOND_OBJECT, objSecObj.getIoTSlaveObjectHostAdd(), objSecObj.getObjectName(),
1342 objSecObj.getObjectClassName(), objSecObj.getObjectClassInterfaceName(), objSecObj.getObjectStubClassInterfaceName(),
1343 objSecObj.getRMIRegistryPort(), objSecObj.getRMIStubPort(), outStream, inStream);
1345 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO REINITIALIZE IOTRELATION FIELD
1346 reinitializeIoTRelationFieldCpp(outStream, inStream);
1352 * A method to set router basic policies at once
1354 * @param strRouter String router name
1357 private void setRouterBasicPolicies(String strRouter) {
1359 String strMonitorHost = routerConfig.getIPFromMACAddress(STR_MONITORING_HOST);
1360 routerConfig.configureRouterICMPPolicies(strRouter, strMonitorHost);
1361 routerConfig.configureRouterDHCPPolicies(strRouter);
1362 routerConfig.configureRouterDNSPolicies(strRouter);
1363 routerConfig.configureRouterSSHPolicies(strRouter, strMonitorHost);
1364 routerConfig.configureRejectPolicies(strRouter);
1368 * A method to set host basic policies at once
1370 * @param strHost String host name
1373 private void setHostBasicPolicies(String strHost) {
1375 String strMonitorHost = routerConfig.getIPFromMACAddress(STR_MONITORING_HOST);
1376 routerConfig.configureHostDHCPPolicies(strHost);
1377 routerConfig.configureHostDNSPolicies(strHost);
1378 if (strHost.equals(strMonitorHost)) {
1379 // Check if this is the monitoring host
1380 routerConfig.configureHostICMPPolicies(strHost);
1381 routerConfig.configureHostSSHPolicies(strHost);
1383 routerConfig.configureHostICMPPolicies(strHost, strMonitorHost);
1384 routerConfig.configureHostSSHPolicies(strHost, strMonitorHost);
1386 // Apply SQL allowance policies to master host
1387 if (strHost.equals(strIoTMasterHostAdd)) {
1388 routerConfig.configureHostSQLPolicies(strHost);
1390 routerConfig.configureRejectPolicies(strHost);
1394 * A method to create a thread for policy deployment
1396 * @param strRouterAddress String router address to configure
1397 * @param setHostAddresses Set of strings for host addresses to configure
1400 private void createPolicyThreads(String strRouterAddress, Set<String> setHostAddresses) throws IOException {
1402 // Create a list of threads
1403 List<Thread> threads = new ArrayList<Thread>();
1404 // Start threads for hosts
1405 for(String strAddress : setHostAddresses) {
1406 Thread policyThread = new Thread(new Runnable() {
1408 synchronized(this) {
1409 routerConfig.sendHostPolicies(strAddress);
1413 threads.add(policyThread);
1414 policyThread.start();
1415 RuntimeOutput.print("Deploying policies for: " + strAddress, BOOL_VERBOSE);
1417 // A thread for router
1418 Thread policyThread = new Thread(new Runnable() {
1420 synchronized(this) {
1421 routerConfig.sendRouterPolicies(strRouterAddress);
1425 threads.add(policyThread);
1426 policyThread.start();
1427 RuntimeOutput.print("Deploying policies on router: " + strRouterAddress, BOOL_VERBOSE);
1429 for (Thread thread : threads) {
1432 } catch (InterruptedException ex) {
1433 ex.printStackTrace();
1439 * A method to create a thread for policy deployment
1441 * @param setHostAddresses Set of strings for host addresses to configure
1444 private void createMACPolicyThreads(Set<String> setHostAddresses) throws IOException {
1446 // Create a list of threads
1447 List<Thread> threads = new ArrayList<Thread>();
1448 // Start threads for hosts
1449 for(String strAddress : setHostAddresses) {
1450 Thread policyThread = new Thread(new Runnable() {
1452 synchronized(this) {
1453 processJailConfig.sendMACPolicies(strAddress);
1457 threads.add(policyThread);
1458 policyThread.start();
1459 RuntimeOutput.print("Deploying MAC policies for: " + strAddress, BOOL_VERBOSE);
1462 for (Thread thread : threads) {
1465 } catch (InterruptedException ex) {
1466 ex.printStackTrace();
1473 * A method to send files to Java IoTSlave
1475 * @params strObjControllerName String
1476 * @params serverSocket ServerSocket
1477 * @params inStream ObjectInputStream communication
1478 * @params outStream ObjectOutputStream communication
1481 private void sendFileToJavaSlave(String strObjControllerName, ServerSocket serverSocket,
1482 InputStream _inStream, OutputStream _outStream) throws IOException, ClassNotFoundException {
1484 ObjectInputStream inStream = (ObjectInputStream) _inStream;
1485 ObjectOutputStream outStream = (ObjectOutputStream) _outStream;
1487 String strControllerJarName = strObjControllerName + STR_JAR_FILE_EXT;
1488 String strControllerJarNamePath = STR_CONT_PATH + strObjControllerName + "/" +
1489 strControllerJarName;
1490 File file = new File(strControllerJarNamePath);
1491 commMasterToSlave(new MessageSendFile(IoTCommCode.TRANSFER_FILE, strControllerJarName, file.length()),
1492 "Sending file!", inStream, outStream);
1493 // Send file - Class file for object creation
1494 sendFile(serverSocket.accept(), strControllerJarNamePath, file.length());
1495 Message msgReply = (Message) inStream.readObject();
1496 RuntimeOutput.print("IoTMaster: Reply message: " + msgReply.getMessage(), BOOL_VERBOSE);
1497 // Send .zip file if additional zip file is specified
1498 String strObjCfgFile = strObjControllerName + STR_CFG_FILE_EXT;
1499 String strObjCfgFilePath = STR_CONT_PATH + strObjControllerName + "/" + strObjCfgFile;
1500 String strAdditionalFile = parseConfigFile(strObjCfgFilePath, STR_FILE_TRF_CFG);
1501 if (strAdditionalFile.equals(STR_YES)) {
1502 String strControllerCmpName = strObjControllerName + STR_ZIP_FILE_EXT;
1503 String strControllerCmpNamePath = STR_CONT_PATH + strObjControllerName + "/" +
1504 strControllerCmpName;
1505 file = new File(strControllerCmpNamePath);
1506 commMasterToSlave(new MessageSendFile(IoTCommCode.TRANSFER_FILE, strControllerCmpName, file.length()),
1507 "Sending file!", inStream, outStream);
1508 // Send file - Class file for object creation
1509 sendFile(serverSocket.accept(), strControllerCmpNamePath, file.length());
1510 msgReply = (Message) inStream.readObject();
1511 RuntimeOutput.print("IoTMaster: Reply message: " + msgReply.getMessage(), BOOL_VERBOSE);
1517 * A method to send files to C++ IoTSlave
1520 * TODO: Need to look into this (as of now, file transferred retains the "data" format,
1521 * hence it is unreadable from outside world
1523 private void sendFileToCppSlave(String sFilePath, String sFileName, Socket fileSocket,
1524 InputStream inStream, OutputStream outStream) throws IOException {
1526 sendCommCode(IoTCommCode.TRANSFER_FILE, outStream, inStream);
1528 sendString(sFileName, outStream); recvAck(inStream);
1529 File file = new File(sFilePath + sFileName);
1530 int iFileLen = toIntExact(file.length());
1531 RuntimeOutput.print("IoTMaster: Sending file " + sFileName + " with length " + iFileLen + " bytes...", BOOL_VERBOSE);
1533 sendInteger(iFileLen, outStream); recvAck(inStream);
1534 RuntimeOutput.print("IoTMaster: Sent file size!", BOOL_VERBOSE);
1535 byte[] bytFile = new byte[iFileLen];
1536 InputStream inFileStream = new FileInputStream(file);
1537 RuntimeOutput.print("IoTMaster: Opened file!", BOOL_VERBOSE);
1539 OutputStream outFileStream = fileSocket.getOutputStream();
1540 RuntimeOutput.print("IoTMaster: Got output stream!", BOOL_VERBOSE);
1542 while ((iCount = inFileStream.read(bytFile)) > 0) {
1543 outFileStream.write(bytFile, 0, iCount);
1545 RuntimeOutput.print("IoTMaster: File sent!", BOOL_VERBOSE);
1551 * A method to send files to C++ IoTSlave (now master using Process() to start
1552 * file transfer using scp)
1556 private void sendFileToCppSlave(String sFilePath, String sFileName) throws IOException {
1558 // Construct shell command to transfer file
1559 String sFile = sFilePath + sFileName;
1560 String strCmdSend = STR_SCP + " " + sFile + " " + STR_USERNAME + strIoTSlaveControllerHostAdd + ":" + STR_SLAVE_DIR;
1561 runCommand(strCmdSend);
1562 RuntimeOutput.print("IoTMaster: Executing: " + strCmdSend, BOOL_VERBOSE);
1564 String strCmdUnzip = STR_SSH + " " + STR_USERNAME + strIoTSlaveControllerHostAdd + " cd " +
1565 STR_SLAVE_DIR + " sudo unzip -o " + sFileName + ";";
1566 runCommand(strCmdUnzip);
1567 RuntimeOutput.print("IoTMaster: Executing: " + strCmdUnzip, BOOL_VERBOSE);
1572 * runCommand() method runs shell command
1574 * @param strCommand String that contains command line
1577 private void runCommand(String strCommand) {
1580 Runtime runtime = Runtime.getRuntime();
1581 Process process = runtime.exec(strCommand);
1583 } catch (IOException ex) {
1584 System.out.println("RouterConfig: IOException: " + ex.getMessage());
1585 ex.printStackTrace();
1586 } catch (InterruptedException ex) {
1587 System.out.println("RouterConfig: InterruptException: " + ex.getMessage());
1588 ex.printStackTrace();
1594 * Construct command line for Java IoTSlave
1598 private String getCmdJavaIoTSlave(String strObjControllerName) {
1600 // Create an Shell executable
1601 String strJavaCommand = STR_SHELL_HEADER + "\nexec " + STR_JAVA_PATH + " " + STR_JVM_INIT_HEAP_SIZE + " " +
1602 STR_JVM_MAX_HEAP_SIZE + " " + STR_CLS_PATH + " " + STR_RMI_PATH + " " + STR_IOT_SLAVE_CLS + " " +
1603 strIoTMasterHostAdd + " " + commHan.getComPort(strObjControllerName) + " " +
1604 commHan.getRMIRegPort(strObjControllerName) + " " + commHan.getRMIStubPort(strObjControllerName) +
1605 " > " + STR_LOG_FILE_PATH + strObjControllerName + ".log &";
1606 String shellFile = "./" + strObjControllerName + STR_SHELL_FILE_EXT;
1607 createWrapperShellScript(strJavaCommand, shellFile);
1608 // Send the file to the compute node
1609 String strCmdSend = "scp " + shellFile + " " + STR_USERNAME + strIoTSlaveControllerHostAdd + ":" + STR_RUNTIME_DIR;
1610 runCommand(strCmdSend);
1611 System.out.println("IoTMaster: Sending main controller shell file: " + strCmdSend);
1612 return STR_SSH + " " + STR_USERNAME + strIoTSlaveControllerHostAdd + " cd " + STR_RUNTIME_DIR + " " + shellFile;
1617 * Construct command line for C++ IoTSlave
1621 private String getCmdCppIoTSlave(String strObjControllerName) {
1623 return STR_SSH + " " + STR_USERNAME + strIoTSlaveControllerHostAdd + " cd " +
1624 STR_SLAVE_DIR + " sudo " + STR_IOTSLAVE_CPP + " " + strIoTMasterHostAdd + " " +
1625 commHan.getComPort(strObjControllerName) + " " + strObjControllerName;
1630 * sendInteger() sends an integer in bytes
1632 public void sendInteger(int intSend, OutputStream outStream) throws IOException {
1634 BufferedOutputStream output = (BufferedOutputStream) outStream;
1635 // Transform integer into bytes
1636 ByteBuffer bb = ByteBuffer.allocate(INT_SIZE);
1638 // Send the byte array
1639 output.write(bb.array(), 0, INT_SIZE);
1645 * recvInteger() receives integer in bytes
1647 public int recvInteger(InputStream inStream) throws IOException {
1649 BufferedInputStream input = (BufferedInputStream) inStream;
1650 // Wait until input is available
1651 while(input.available() == 0);
1652 // Read integer - 4 bytes
1653 byte[] recvInt = new byte[INT_SIZE];
1654 input.read(recvInt, 0, INT_SIZE);
1655 int retVal = ByteBuffer.wrap(recvInt).getInt();
1662 * recvString() receives String in bytes
1664 public String recvString(InputStream inStream) throws IOException {
1666 BufferedInputStream input = (BufferedInputStream) inStream;
1667 int strLen = recvInteger(inStream);
1668 // Wait until input is available
1669 while(input.available() == 0);
1670 // Read String per strLen
1671 byte[] recvStr = new byte[strLen];
1672 input.read(recvStr, 0, strLen);
1673 String retVal = new String(recvStr);
1680 * sendString() sends a String in bytes
1682 public void sendString(String strSend, OutputStream outStream) throws IOException {
1684 BufferedOutputStream output = (BufferedOutputStream) outStream;
1685 // Transform String into bytes
1686 byte[] strSendBytes = strSend.getBytes();
1687 int strLen = strSend.length();
1688 // Send the string length first
1689 sendInteger(strLen, outStream);
1690 // Send the byte array
1691 output.write(strSendBytes, 0, strLen);
1697 * Convert integer to enum
1699 public IoTCommCode getCode(int intCode) throws IOException {
1701 IoTCommCode[] commCode = IoTCommCode.values();
1702 IoTCommCode retCode = commCode[intCode];
1711 public synchronized boolean recvAck(InputStream inStream) throws IOException {
1713 int intAck = recvInteger(inStream);
1714 IoTCommCode codeAck = getCode(intAck);
1715 if (codeAck == IoTCommCode.ACKNOWLEDGED)
1725 public void sendEndTransfer(OutputStream outStream) throws IOException {
1727 int endCode = IoTCommCode.END_TRANSFER.ordinal();
1728 sendInteger(endCode, outStream);
1733 * Send communication code to C++
1735 public void sendCommCode(IoTCommCode inpCommCode, OutputStream outStream, InputStream inStream) throws IOException {
1738 IoTCommCode commCode = inpCommCode;
1739 int intCode = commCode.ordinal();
1740 // TODO: delete this later
1741 System.out.println("DEBUG: Sending " + commCode + " with ordinal: " + intCode);
1742 sendInteger(intCode, outStream); recvAck(inStream);
1747 * Create a main controller object for C++
1749 public void createMainObjectCpp(String strObjControllerName, OutputStream outStream, InputStream inStream) throws IOException {
1751 sendCommCode(IoTCommCode.CREATE_MAIN_OBJECT, outStream, inStream);
1752 String strMainObjName = strObjControllerName;
1753 sendString(strMainObjName, outStream); recvAck(inStream);
1754 RuntimeOutput.print("IoTMaster: Create a main object: " + strMainObjName, BOOL_VERBOSE);
1759 * A helper function that converts Class into String
1761 * @param strDataType String MySQL data type
1764 public String getClassConverted(Class<?> cls) {
1766 if (cls == String.class) {
1768 } else if (cls == int.class) {
1777 * A helper function that converts Object into String for transfer to C++ slave
1779 * @param obj Object to be converted
1780 * @param strClassType String Java Class type
1783 public String getObjectConverted(Object obj) {
1785 if (obj instanceof String) {
1786 return (String) obj;
1787 } else if (obj instanceof Integer) {
1788 return Integer.toString((Integer) obj);
1796 * Create a driver object for C++
1798 public void createObjectCpp(String strObjName, String strObjClassName, String strObjClassInterfaceName, String strIoTSlaveObjectHostAdd,
1799 Integer iRMIRegistryPort, Integer iRMIStubPort, Object[] arrFieldValues, Class[] arrFieldClasses,
1800 OutputStream outStream, InputStream inStream) throws IOException {
1802 sendCommCode(IoTCommCode.CREATE_OBJECT, outStream, inStream);
1803 RuntimeOutput.print("IoTMaster: Send request to create a driver object... ", BOOL_VERBOSE);
1804 RuntimeOutput.print("IoTMaster: Driver object name: " + strObjName, BOOL_VERBOSE);
1805 sendString(strObjName, outStream); recvAck(inStream);
1806 RuntimeOutput.print("IoTMaster: Driver object class name: " + strObjClassName, BOOL_VERBOSE);
1807 sendString(strObjClassName, outStream); recvAck(inStream);
1808 RuntimeOutput.print("IoTMaster: Driver object interface name: " + strObjClassInterfaceName, BOOL_VERBOSE);
1809 sendString(strObjStubClsIntfaceName, outStream); recvAck(inStream);
1810 RuntimeOutput.print("IoTMaster: Driver object skeleton class name: " + strObjClassInterfaceName + STR_SKEL_CLASS_SUFFIX, BOOL_VERBOSE);
1811 sendString(strObjClassInterfaceName + STR_SKEL_CLASS_SUFFIX, outStream); recvAck(inStream);
1812 RuntimeOutput.print("IoTMaster: Driver object registry port: " + iRMIRegistryPort, BOOL_VERBOSE);
1813 sendInteger(iRMIRegistryPort, outStream); recvAck(inStream);
1814 RuntimeOutput.print("IoTMaster: Driver object stub port: " + iRMIStubPort, BOOL_VERBOSE);
1815 sendInteger(iRMIStubPort, outStream); recvAck(inStream);
1816 int numOfArgs = arrFieldValues.length;
1817 RuntimeOutput.print("IoTMaster: Send constructor arguments! Number of arguments: " + numOfArgs, BOOL_VERBOSE);
1818 sendInteger(numOfArgs, outStream); recvAck(inStream);
1819 for(Object obj : arrFieldValues) {
1820 String str = getObjectConverted(obj);
1821 sendString(str, outStream); recvAck(inStream);
1823 RuntimeOutput.print("IoTMaster: Send constructor argument classes!", BOOL_VERBOSE);
1824 for(Class cls : arrFieldClasses) {
1825 String str = getClassConverted(cls);
1826 sendString(str, outStream); recvAck(inStream);
1832 * Create new IoTSet for C++
1834 public void createNewIoTSetCpp(String strObjFieldName, OutputStream outStream, InputStream inStream) throws IOException {
1836 sendCommCode(IoTCommCode.CREATE_NEW_IOTSET, outStream, inStream);
1837 RuntimeOutput.print("IoTMaster: Creating new IoTSet...", BOOL_VERBOSE);
1838 RuntimeOutput.print("IoTMaster: Send object field name: " + strObjFieldName, BOOL_VERBOSE);
1839 sendString(strObjFieldName, outStream); recvAck(inStream);
1844 * Create new IoTRelation for C++
1846 public void createNewIoTRelationCpp(String strObjFieldName, OutputStream outStream, InputStream inStream) throws IOException {
1848 sendCommCode(IoTCommCode.CREATE_NEW_IOTRELATION, outStream, inStream);
1849 RuntimeOutput.print("IoTMaster: Creating new IoTRelation...", BOOL_VERBOSE);
1850 RuntimeOutput.print("IoTMaster: Send object field name: " + strObjFieldName, BOOL_VERBOSE);
1851 sendString(strObjFieldName, outStream); recvAck(inStream);
1856 * Get a IoTDeviceAddress object for C++
1858 public void getDeviceIoTSetObjectCpp(OutputStream outStream, InputStream inStream,
1859 String strDeviceAddress, int iSourcePort, int iDestPort, boolean bSourceWildCard, boolean bDestWildCard) throws IOException {
1861 sendCommCode(IoTCommCode.GET_DEVICE_IOTSET_OBJECT, outStream, inStream);
1862 RuntimeOutput.print("IoTMaster: Getting IoTDeviceAddress...", BOOL_VERBOSE);
1863 sendString(strDeviceAddress, outStream); recvAck(inStream);
1864 sendInteger(iSourcePort, outStream); recvAck(inStream);
1865 sendInteger(iDestPort, outStream); recvAck(inStream);
1866 int iSourceWildCard = (bSourceWildCard ? 1 : 0);
1867 sendInteger(iSourceWildCard, outStream); recvAck(inStream);
1868 int iDestWildCard = (bDestWildCard ? 1 : 0);
1869 sendInteger(iDestWildCard, outStream); recvAck(inStream);
1870 RuntimeOutput.print("IoTMaster: Send device address: " + strDeviceAddress, BOOL_VERBOSE);
1875 * Get a IoTSet content object for C++
1877 public void getIoTSetRelationObjectCpp(IoTCommCode iotCommCode, String strIoTSlaveHostAddress, String strObjectName, String strObjectClassName,
1878 String strObjectClassInterfaceName, String strObjectStubClassInterfaceName, int iRMIRegistryPort, int iRMIStubPort,
1879 OutputStream outStream, InputStream inStream) throws IOException {
1881 sendCommCode(iotCommCode, outStream, inStream);
1882 RuntimeOutput.print("IoTMaster: Getting IoTSet object content...", BOOL_VERBOSE);
1884 RuntimeOutput.print("IoTMaster: Send host address: " + strIoTSlaveHostAddress, BOOL_VERBOSE);
1885 sendString(strIoTSlaveHostAddress, outStream); recvAck(inStream);
1886 RuntimeOutput.print("IoTMaster: Driver object name: " + strObjectName, BOOL_VERBOSE);
1887 sendString(strObjectName, outStream); recvAck(inStream);
1888 RuntimeOutput.print("IoTMaster: Driver object class name: " + strObjectClassName, BOOL_VERBOSE);
1889 sendString(strObjectClassName, outStream); recvAck(inStream);
1890 RuntimeOutput.print("IoTMaster: Driver object interface name: " + strObjectClassInterfaceName, BOOL_VERBOSE);
1891 sendString(strObjectClassInterfaceName, outStream); recvAck(inStream);
1892 RuntimeOutput.print("IoTMaster: Driver object stub class name: " + strObjectStubClassInterfaceName + STR_STUB_CLASS_SUFFIX, BOOL_VERBOSE);
1893 sendString(strObjectStubClassInterfaceName + STR_STUB_CLASS_SUFFIX, outStream); recvAck(inStream);
1894 RuntimeOutput.print("IoTMaster: Driver object registry port: " + iRMIRegistryPort, BOOL_VERBOSE);
1895 sendInteger(iRMIRegistryPort, outStream); recvAck(inStream);
1896 RuntimeOutput.print("IoTMaster: Driver object stub port: " + iRMIStubPort, BOOL_VERBOSE);
1897 sendInteger(iRMIStubPort, outStream); recvAck(inStream);
1902 * Reinitialize IoTRelation field for C++
1904 private void reinitializeIoTRelationFieldCpp(OutputStream outStream, InputStream inStream) throws IOException {
1906 RuntimeOutput.print("IoTMaster: About to Reinitialize IoTRelation field!", BOOL_VERBOSE);
1907 sendCommCode(IoTCommCode.REINITIALIZE_IOTRELATION_FIELD, outStream, inStream);
1908 RuntimeOutput.print("IoTMaster: Reinitialize IoTRelation field!", BOOL_VERBOSE);
1913 * Reinitialize IoTSet field for C++
1915 private void reinitializeIoTSetFieldCpp(OutputStream outStream, InputStream inStream) throws IOException {
1917 RuntimeOutput.print("IoTMaster: About to Reinitialize IoTSet field!", BOOL_VERBOSE);
1918 sendCommCode(IoTCommCode.REINITIALIZE_IOTSET_FIELD, outStream, inStream);
1919 RuntimeOutput.print("IoTMaster: Reinitialize IoTSet field!", BOOL_VERBOSE);
1924 * Create driver object for C++
1926 private void createDriverObjectCpp(OutputStream outStream, InputStream inStream) throws IOException {
1928 sendCommCode(IoTCommCode.CREATE_DRIVER_OBJECT, outStream, inStream);
1929 RuntimeOutput.print("IoTMaster: Send command to create driver object!", BOOL_VERBOSE);
1934 * Invoke init() for C++
1936 private void invokeInitMethodCpp(OutputStream outStream, InputStream inStream) throws IOException {
1938 sendCommCode(IoTCommCode.INVOKE_INIT_METHOD, outStream, inStream);
1939 RuntimeOutput.print("IoTMaster: Invoke init method!", BOOL_VERBOSE);
1944 * End session for C++
1946 public void endSessionCpp(OutputStream outStream) throws IOException {
1948 // Send message to end session
1949 IoTCommCode endSessionCode = IoTCommCode.END_SESSION;
1950 int intCode = endSessionCode.ordinal();
1951 sendInteger(intCode, outStream);
1952 //RuntimeOutput.print("IoTMaster: Send request to create a main object: " + strObjName, BOOL_VERBOSE);
1953 RuntimeOutput.print("IoTMaster: Send request to end session!", BOOL_VERBOSE);
1958 * A method to assign objects to multiple JVMs, including
1959 * the controller/device object that uses other objects
1960 * in IoTSet and IoTRelation
1964 private void createObjects() {
1971 // Extract hostname for this IoTMaster from MySQL DB
1972 strIoTMasterHostAdd = routerConfig.getIPFromMACAddress(STR_MASTER_MAC_ADD);
1973 // Loop as we can still find controller/device classes
1974 for(int i=0; i<strObjectNames.length; i++) {
1976 start = System.currentTimeMillis();
1978 // Assign a new list of PrintWriter objects
1979 routerConfig.renewPrintWriter();
1980 // Get controller names one by one
1981 String strObjControllerName = strObjectNames[i];
1982 // Use LoadBalancer to assign a host address
1983 //strIoTSlaveControllerHostAdd = lbIoT.selectHost();
1984 strIoTSlaveControllerHostAdd = routerConfig.getIPFromMACAddress(lbIoT.selectHost());
1985 if (strIoTSlaveControllerHostAdd == null)
1986 throw new Error("IoTMaster: Could not translate MAC to IP address! Please check the router's /tmp/dhcp.leases!");
1987 // == START INITIALIZING CONTROLLER/DEVICE IOTSLAVE ==
1988 // Add port connection and get port numbers
1989 // Naming for objects ProximitySensor becomes ProximitySensor0, ProximitySensor1, etc.
1990 commHan.addPortConnection(strIoTSlaveControllerHostAdd, strObjControllerName);
1991 // ROUTING POLICY: IoTMaster and main controller object
1992 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTMasterHostAdd,
1993 strIoTSlaveControllerHostAdd, STR_TCP_PROTOCOL, commHan.getComPort(strObjControllerName));
1994 // ROUTING POLICY: Send the same routing policy to both the hosts
1995 routerConfig.configureHostMainPolicies(strIoTMasterHostAdd, strIoTMasterHostAdd,
1996 strIoTSlaveControllerHostAdd, STR_TCP_PROTOCOL, commHan.getComPort(strObjControllerName));
1997 routerConfig.configureHostMainPolicies(strIoTSlaveControllerHostAdd, strIoTMasterHostAdd,
1998 strIoTSlaveControllerHostAdd, STR_TCP_PROTOCOL, commHan.getComPort(strObjControllerName));
2000 String strControllerCfg = STR_CONT_PATH + strObjControllerName + "/" + strObjControllerName + STR_CFG_FILE_EXT;
2001 STR_LANGUAGE_CONTROLLER = parseConfigFile(strControllerCfg, STR_LANGUAGE);
2002 if(STR_LANGUAGE_CONTROLLER == null)
2003 throw new Error("IoTMaster: Language specification missing in config file: " + strControllerCfg);
2004 // Construct ssh command line and create a controller thread for e.g. AcmeProximity
2005 String strSSHCommand = null;
2006 if(STR_LANGUAGE_CONTROLLER.equals(STR_JAVA))
2007 strSSHCommand = getCmdJavaIoTSlave(strObjControllerName);
2008 else if(STR_LANGUAGE_CONTROLLER.equals(STR_CPP))
2009 strSSHCommand = getCmdCppIoTSlave(strObjControllerName);
2011 throw new Error("IoTMaster: Language specification not recognized: " + STR_LANGUAGE_CONTROLLER);
2012 RuntimeOutput.print(strSSHCommand, BOOL_VERBOSE);
2013 createThread(strSSHCommand);
2014 // Wait for connection
2015 // Create a new socket for communication
2016 ServerSocket serverSocket = new ServerSocket(commHan.getComPort(strObjControllerName));
2017 Socket socket = serverSocket.accept();
2018 InputStream inStream = null;
2019 OutputStream outStream = null;
2020 if(STR_LANGUAGE_CONTROLLER.equals(STR_JAVA)) {
2021 inStream = new ObjectInputStream(socket.getInputStream());
2022 outStream = new ObjectOutputStream(socket.getOutputStream());
2023 } else { // At this point the language is certainly C++, otherwise would've complained above
2024 inStream = new BufferedInputStream(socket.getInputStream());
2025 outStream = new BufferedOutputStream(socket.getOutputStream());
2028 RuntimeOutput.print("IoTMaster: Communication established!", BOOL_VERBOSE);
2031 result = System.currentTimeMillis()-start;
2032 System.out.println("\n\n ==> From start until after SSH for main controller: " + result);
2034 start = System.currentTimeMillis();
2036 // Send files for every controller class
2037 // e.g. AcmeProximity.jar and AcmeProximity.zip
2038 String strControllerClassName = strObjControllerName + STR_CLS_FILE_EXT;
2039 String strControllerClassNamePath = STR_CONT_PATH + strObjControllerName + "/" +
2040 strControllerClassName;
2042 if(STR_LANGUAGE_CONTROLLER.equals(STR_JAVA)) {
2043 sendFileToJavaSlave(strObjControllerName, serverSocket, inStream, outStream);
2044 // Create main controller/device object
2045 commMasterToSlave(new MessageCreateMainObject(IoTCommCode.CREATE_MAIN_OBJECT, strObjControllerName),
2046 "Create main object!", inStream, outStream);
2048 String strControllerZipFile = strObjControllerName + STR_ZIP_FILE_EXT;
2049 String strControllerFilePath = STR_CONT_PATH + strObjControllerName + "/";
2050 sendFileToCppSlave(strControllerFilePath, strControllerZipFile);
2051 createMainObjectCpp(strObjControllerName, outStream, inStream);
2053 // Write basic MAC policies for controller
2054 //String strFileName = STR_MAC_POL_PATH + strObjControllerName + STR_MAC_POLICY_EXT;
2055 String strFileName = STR_MAC_POL_PATH + STR_JAVA + STR_MAC_POLICY_EXT;
2056 processJailConfig.configureProcessJailControllerPolicies(strObjControllerName, strFileName,
2057 strIoTMasterHostAdd, commHan.getComPort(strObjControllerName));
2059 result = System.currentTimeMillis()-start;
2060 System.out.println("\n\n ==> From IoTSlave start until main controller object is created: " + result);
2061 System.out.println(" ==> Including file transfer times!\n\n");
2063 start = System.currentTimeMillis();
2065 // == END INITIALIZING CONTROLLER/DEVICE IOTSLAVE ==
2066 // Instrumenting one file
2067 RuntimeOutput.print("IoTMaster: Opening class file: " + strControllerClassName, BOOL_VERBOSE);
2068 RuntimeOutput.print("IoTMaster: Class file path: " + strControllerClassNamePath, BOOL_VERBOSE);
2069 HashMap<String,Object> hmControllerFieldObjects = null;
2070 if(STR_LANGUAGE_CONTROLLER.equals(STR_JAVA)) {
2071 FileInputStream fis = new FileInputStream(strControllerClassNamePath);
2072 ClassReader cr = new ClassReader(fis);
2073 ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
2074 ClassRuntimeInstrumenterMaster crim = new ClassRuntimeInstrumenterMaster(cw, null, BOOL_VERBOSE);
2077 hmControllerFieldObjects = crim.getFieldObjects();
2079 String strControllerConfigFile = STR_CONT_PATH + strObjControllerName + "/" + strObjControllerName + STR_CFG_FILE_EXT;
2080 CRuntimeInstrumenterMaster crim = new CRuntimeInstrumenterMaster(strControllerConfigFile, null, BOOL_VERBOSE);
2081 hmControllerFieldObjects = crim.getFieldObjects();
2083 // Get the object and the class names
2084 // Build objects for IoTSet and IoTRelation fields in the controller/device classes
2085 //HashMap<String,Object> hmControllerFieldObjects = crim.getFieldObjects();
2086 for(Map.Entry<String,Object> map : hmControllerFieldObjects.entrySet()) {
2087 RuntimeOutput.print("IoTMaster: Object name: " + map.getValue().getClass().getName(), BOOL_VERBOSE);
2088 // Iterate over HashMap and choose between processing
2089 // SetInstrumenter vs. RelationInstrumenter
2090 String strFieldName = map.getKey();
2091 String strClassName = map.getValue().getClass().getName();
2092 if(strClassName.equals(STR_SET_INSTRUMENTER_CLS)) {
2093 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
2094 if(setInstrumenter.getObjTableName().equals(STR_IOT_DEV_ADD_CLS)) {
2095 String strErrMsg = "IoTMaster: Controller object" +
2096 " cannot have IoTSet<IoTDeviceAddress>!";
2097 throw new Error(strErrMsg);
2098 } else if(setInstrumenter.getObjTableName().equals(STR_IOT_ZB_ADD_CLS)) {
2099 String strErrMsg = "IoTMaster: Controller object" +
2100 " cannot have IoTSet<ZigbeeAddress>!";
2101 throw new Error(strErrMsg);
2102 } else if(setInstrumenter.getObjTableName().equals(STR_IOT_ADD_CLS)) {
2103 // Instrument the IoTAddress
2104 setRouterPolicyIoTSetAddress(strFieldName, map, strIoTSlaveControllerHostAdd);
2105 instrumentIoTSetAddress(strFieldName, strFieldName, inStream, outStream, STR_LANGUAGE_CONTROLLER);
2108 instrumentIoTSet(map, strFieldName, strObjControllerName, STR_LANGUAGE_CONTROLLER);
2110 } else if (strClassName.equals(STR_REL_INSTRUMENTER_CLS)) {
2111 instrumentIoTRelation(map, strFieldName, strObjControllerName, STR_LANGUAGE_CONTROLLER);
2114 // Combine controller MAC policies with the main policy file for the host
2115 String strTempFileName = "./" + strObjControllerName + STR_MAC_POLICY_EXT;
2116 processJailConfig.combineControllerMACPolicies(strIoTSlaveControllerHostAdd, strObjControllerName, strTempFileName);
2117 processJailConfig.close();
2120 result = System.currentTimeMillis()-start;
2121 System.out.println("\n\n ==> Time needed to instrument device driver objects: " + result + "\n\n");
2122 System.out.println(" ==> #Objects: " + commHan.getActiveControllerObjectList().size() + "\n\n");
2125 start = System.currentTimeMillis();
2127 // ROUTING POLICY: Deploy basic policies if this is the last controller
2128 if (i == strObjectNames.length-1) {
2129 // ROUTING POLICY: implement basic policies to reject all other irrelevant traffics
2130 for(String s: commHan.getHosts()) {
2131 setHostBasicPolicies(s);
2133 // We retain all the basic policies for router,
2134 // but we delete the initial allowance policies for internal all TCP and UDP communications
2135 setRouterBasicPolicies(STR_ROUTER_ADD);
2137 // Close access to policy files and deploy policies
2138 routerConfig.close();
2139 // Deploy the policy
2140 HashSet<String> setAddresses = new HashSet<String>(commHan.getHosts());
2141 setAddresses.add(strIoTMasterHostAdd);
2142 createPolicyThreads(STR_ROUTER_ADD, setAddresses);
2145 result = System.currentTimeMillis()-start;
2146 System.out.println("\n\n ==> Time needed to send policy files and deploy them : " + result + "\n\n");
2149 start = System.currentTimeMillis();
2151 // Separating object creations and Set/Relation initializations
2152 createDriverObjects();
2155 result = System.currentTimeMillis()-start;
2156 System.out.println("\n\n ==> Time needed to instantiate objects: " + result + "\n\n");
2158 start = System.currentTimeMillis();
2160 // Sets and relations initializations
2161 if(STR_LANGUAGE_CONTROLLER.equals(STR_JAVA))
2162 initializeSetsAndRelationsJava(inStream, outStream);
2164 initializeSetsAndRelationsCpp(inStream, outStream);;
2167 result = System.currentTimeMillis()-start;
2168 System.out.println("\n\n ==> Time needed to initialize sets and relations: " + result + "\n\n");
2170 if(STR_LANGUAGE_CONTROLLER.equals(STR_JAVA))
2171 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO EXECUTE INIT METHOD
2172 commMasterToSlave(new MessageSimple(IoTCommCode.INVOKE_INIT_METHOD), "Invoke init() method!", inStream, outStream);
2174 invokeInitMethodCpp(outStream, inStream);
2175 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO END PROCESS
2176 if(STR_LANGUAGE_CONTROLLER.equals(STR_JAVA)) {
2177 ObjectOutputStream oStream = (ObjectOutputStream) outStream;
2178 oStream.writeObject(new MessageSimple(IoTCommCode.END_SESSION));
2179 } else // C++ side will wait until the program finishes, it's not generating a separate thread for now
2180 //endSessionCpp(outStream);
2184 serverSocket.close();
2185 commHan.printLists();
2186 lbIoT.printHostInfo();
2187 createMACPolicyThreads(setAddresses);
2190 } catch (IOException |
2191 InterruptedException |
2192 ClassNotFoundException ex) {
2193 System.out.println("IoTMaster: Exception: "
2195 ex.printStackTrace();
2199 public static void main(String args[]) {
2201 // Detect the available controller/device classes
2202 // Input args[] should be used to list the controllers/devices
2203 // e.g. java IoTMaster AcmeProximity AcmeThermostat AcmeVentController
2204 IoTMaster iotMaster = new IoTMaster(args);
2206 iotMaster.parseIoTMasterConfigFile();
2207 // Initialize CommunicationHandler, LoadBalancer, and RouterConfig
2208 iotMaster.initLiveDataStructure();
2210 iotMaster.createObjects();