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 ObjectInitHandler objInitHand;
55 private ObjectAddressInitHandler objAddInitHand;
56 private String[] strObjectNames;
57 // Now this can be either ClassRuntimeInstrumenterMaster or CRuntimeInstrumenterMaster
58 private Map<String,Object> mapClassNameToCrim;
61 * These properties hold information of a certain object
64 private String strObjName;
65 private String strObjClassName;
66 private String strObjClassInterfaceName;
67 private String strObjStubClsIntfaceName;
68 private String strIoTMasterHostAdd;
69 private String strIoTSlaveControllerHostAdd;
70 private String strIoTSlaveObjectHostAdd;
71 private Class[] arrFieldClasses;
72 private Object[] arrFieldValues;
73 private Socket filesocket;
76 * For connection with C++ IoTSlave
78 private ServerSocket serverSocketCpp;
79 private Socket socketCpp;
80 private BufferedInputStream inputCpp;
81 private BufferedOutputStream outputCpp;
83 // Constants that are to be extracted from config file
84 private static String STR_MASTER_MAC_ADD;
85 private static String STR_IOT_CODE_PATH;
86 private static String STR_CONT_PATH;
87 private static String STR_RUNTIME_DIR;
88 private static String STR_SLAVE_DIR;
89 private static String STR_CLS_PATH;
90 private static String STR_RMI_PATH;
91 private static String STR_RMI_HOSTNAME;
92 private static String STR_LOG_FILE_PATH;
93 private static String STR_USERNAME;
94 private static String STR_ROUTER_ADD;
95 private static String STR_MONITORING_HOST;
96 private static String STR_ZB_GATEWAY_ADDRESS;
97 private static String STR_ZB_GATEWAY_PORT;
98 private static String STR_ZB_IOTMASTER_PORT;
99 private static String STR_NUM_CALLBACK_PORTS;
100 private static String STR_JVM_INIT_HEAP_SIZE;
101 private static String STR_JVM_MAX_HEAP_SIZE;
102 private static String STR_LANGUAGE;
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_SO_FILE_EXT = ".so";
117 private static final String STR_ZIP_FILE_EXT = ".zip";
118 private static final String STR_TCP_PROTOCOL = "tcp";
119 private static final String STR_UDP_PROTOCOL = "udp";
120 private static final String STR_TCPGW_PROTOCOL = "tcpgw";
121 private static final String STR_NO_PROTOCOL = "nopro";
122 private static final String STR_SELF_MAC_ADD = "00:00:00:00:00:00";
123 private static final String STR_INTERFACE_CLS_CFG = "INTERFACE_CLASS";
124 private static final String STR_INT_STUB_CLS_CFG = "INTERFACE_STUB_CLASS";
125 private static final String STR_FILE_TRF_CFG = "ADDITIONAL_ZIP_FILE";
126 private static final String STR_YES = "Yes";
127 private static final String STR_NO = "No";
128 private static final String STR_JAVA = "Java";
129 private static final String STR_CPP = "C++";
130 private static final String STR_SSH = "ssh";
131 private static final String STR_SCP = "scp";
132 private static final String STR_IOTSLAVE_CPP = "./IoTSlave.o";
134 private static int INT_SIZE = 4; // send length in the size of integer (4 bytes)
137 * Runtime class name constants - not to be configured by users
139 private static final String STR_REL_INSTRUMENTER_CLS = "iotruntime.master.RelationInstrumenter";
140 private static final String STR_SET_INSTRUMENTER_CLS = "iotruntime.master.SetInstrumenter";
141 private static final String STR_IOT_SLAVE_CLS = "iotruntime.slave.IoTSlave";
142 private static final String STR_IOT_DEV_ADD_CLS = "IoTDeviceAddress";
143 private static final String STR_IOT_ZB_ADD_CLS = "IoTZigbeeAddress";
144 private static final String STR_IOT_ADD_CLS = "IoTAddress";
150 public IoTMaster(String[] argObjNms) {
156 objAddInitHand = null;
157 strObjectNames = argObjNms;
159 strObjClassName = null;
160 strObjClassInterfaceName = null;
161 strObjStubClsIntfaceName = null;
162 strIoTMasterHostAdd = null;
163 strIoTSlaveControllerHostAdd = null;
164 strIoTSlaveObjectHostAdd = null;
165 arrFieldClasses = null;
166 arrFieldValues = null;
168 mapClassNameToCrim = null;
169 // Connection with C++ IoTSlave
170 serverSocketCpp = null;
175 STR_MASTER_MAC_ADD = null;
176 STR_IOT_CODE_PATH = null;
177 STR_CONT_PATH = null;
178 STR_RUNTIME_DIR = null;
179 STR_SLAVE_DIR = null;
182 STR_RMI_HOSTNAME = null;
183 STR_LOG_FILE_PATH = null;
185 STR_ROUTER_ADD = null;
186 STR_MONITORING_HOST = null;
187 STR_ZB_GATEWAY_ADDRESS = null;
188 STR_ZB_GATEWAY_PORT = null;
189 STR_ZB_IOTMASTER_PORT = null;
190 STR_NUM_CALLBACK_PORTS = null;
191 STR_JVM_INIT_HEAP_SIZE = null;
192 STR_JVM_MAX_HEAP_SIZE = null;
194 BOOL_VERBOSE = false;
198 * A method to initialize CommunicationHandler, LoadBalancer, RouterConfig and ObjectInitHandler
202 private void initLiveDataStructure() {
204 commHan = new CommunicationHandler(BOOL_VERBOSE);
205 lbIoT = new LoadBalancer(BOOL_VERBOSE);
206 lbIoT.setupLoadBalancer();
207 routerConfig = new RouterConfig();
208 routerConfig.getAddressList(STR_ROUTER_ADD);
209 objInitHand = new ObjectInitHandler(BOOL_VERBOSE);
210 objAddInitHand = new ObjectAddressInitHandler(BOOL_VERBOSE);
211 mapClassNameToCrim = new HashMap<String,Object>();
215 * A method to initialize constants from config file
219 private void parseIoTMasterConfigFile() {
220 // Parse configuration file
221 Properties prop = new Properties();
222 String strCfgFileName = STR_IOT_MASTER_NAME + STR_CFG_FILE_EXT;
223 File file = new File(strCfgFileName);
224 FileInputStream fis = null;
226 fis = new FileInputStream(file);
229 } catch (IOException ex) {
230 System.out.println("IoTMaster: Error reading config file: " + strCfgFileName);
231 ex.printStackTrace();
233 // Initialize constants from config file
234 STR_MASTER_MAC_ADD = prop.getProperty("MAC_ADDRESS");
235 STR_IOT_CODE_PATH = prop.getProperty("IOT_CODE_PATH");
236 STR_CONT_PATH = prop.getProperty("CONTROLLERS_CODE_PATH");
237 STR_RUNTIME_DIR = prop.getProperty("RUNTIME_DIR");
238 STR_SLAVE_DIR = prop.getProperty("SLAVE_DIR");
239 STR_CLS_PATH = prop.getProperty("CLASS_PATH");
240 STR_RMI_PATH = prop.getProperty("RMI_PATH");
241 STR_RMI_HOSTNAME = prop.getProperty("RMI_HOSTNAME");
242 STR_LOG_FILE_PATH = prop.getProperty("LOG_FILE_PATH");
243 STR_USERNAME = prop.getProperty("USERNAME");
244 STR_ROUTER_ADD = prop.getProperty("ROUTER_ADD");
245 STR_MONITORING_HOST = prop.getProperty("MONITORING_HOST");
246 STR_ZB_GATEWAY_ADDRESS = prop.getProperty("ZIGBEE_GATEWAY_ADDRESS");
247 STR_ZB_GATEWAY_PORT = prop.getProperty("ZIGBEE_GATEWAY_PORT");
248 STR_ZB_IOTMASTER_PORT = prop.getProperty("ZIGBEE_IOTMASTER_PORT");
249 STR_NUM_CALLBACK_PORTS = prop.getProperty("NUMBER_CALLBACK_PORTS");
250 STR_JVM_INIT_HEAP_SIZE = prop.getProperty("JVM_INIT_HEAP_SIZE");
251 STR_JVM_MAX_HEAP_SIZE = prop.getProperty("JVM_MAX_HEAP_SIZE");
252 STR_LANGUAGE = prop.getProperty("LANGUAGE");
253 STR_SKEL_CLASS_SUFFIX = prop.getProperty("SKEL_CLASS_SUFFIX");
254 STR_STUB_CLASS_SUFFIX = prop.getProperty("STUB_CLASS_SUFFIX");
255 if(prop.getProperty("VERBOSE").equals(STR_YES)) {
259 RuntimeOutput.print("IoTMaster: Extracting information from config file: " + strCfgFileName, BOOL_VERBOSE);
260 RuntimeOutput.print("STR_MASTER_MAC_ADD=" + STR_MASTER_MAC_ADD, BOOL_VERBOSE);
261 RuntimeOutput.print("STR_IOT_CODE_PATH=" + STR_IOT_CODE_PATH, BOOL_VERBOSE);
262 RuntimeOutput.print("STR_CONT_PATH=" + STR_CONT_PATH, BOOL_VERBOSE);
263 RuntimeOutput.print("STR_RUNTIME_DIR=" + STR_RUNTIME_DIR, BOOL_VERBOSE);
264 RuntimeOutput.print("STR_SLAVE_DIR=" + STR_SLAVE_DIR, BOOL_VERBOSE);
265 RuntimeOutput.print("STR_CLS_PATH=" + STR_CLS_PATH, BOOL_VERBOSE);
266 RuntimeOutput.print("STR_RMI_PATH=" + STR_RMI_PATH, BOOL_VERBOSE);
267 RuntimeOutput.print("STR_RMI_HOSTNAME=" + STR_RMI_HOSTNAME, BOOL_VERBOSE);
268 RuntimeOutput.print("STR_LOG_FILE_PATH=" + STR_LOG_FILE_PATH, BOOL_VERBOSE);
269 RuntimeOutput.print("STR_USERNAME=" + STR_USERNAME, BOOL_VERBOSE);
270 RuntimeOutput.print("STR_ROUTER_ADD=" + STR_ROUTER_ADD, BOOL_VERBOSE);
271 RuntimeOutput.print("STR_MONITORING_HOST=" + STR_MONITORING_HOST, BOOL_VERBOSE);
272 RuntimeOutput.print("STR_ZB_GATEWAY_ADDRESS=" + STR_ZB_GATEWAY_ADDRESS, BOOL_VERBOSE);
273 RuntimeOutput.print("STR_ZB_GATEWAY_PORT=" + STR_ZB_GATEWAY_PORT, BOOL_VERBOSE);
274 RuntimeOutput.print("STR_ZB_IOTMASTER_PORT=" + STR_ZB_IOTMASTER_PORT, BOOL_VERBOSE);
275 RuntimeOutput.print("STR_NUM_CALLBACK_PORTS=" + STR_NUM_CALLBACK_PORTS, BOOL_VERBOSE);
276 RuntimeOutput.print("STR_JVM_INIT_HEAP_SIZE=" + STR_JVM_INIT_HEAP_SIZE, BOOL_VERBOSE);
277 RuntimeOutput.print("STR_JVM_MAX_HEAP_SIZE=" + STR_JVM_MAX_HEAP_SIZE, BOOL_VERBOSE);
278 RuntimeOutput.print("STR_LANGUAGE=" + STR_LANGUAGE, BOOL_VERBOSE);
279 RuntimeOutput.print("STR_SKEL_CLASS_SUFFIX=" + STR_SKEL_CLASS_SUFFIX, BOOL_VERBOSE);
280 RuntimeOutput.print("STR_STUB_CLASS_SUFFIX=" + STR_STUB_CLASS_SUFFIX, BOOL_VERBOSE);
281 RuntimeOutput.print("BOOL_VERBOSE=" + BOOL_VERBOSE, BOOL_VERBOSE);
282 RuntimeOutput.print("IoTMaster: Information extracted successfully!", BOOL_VERBOSE);
286 * A method to parse information from a config file
288 * @param strCfgFileName Config file name
289 * @param strCfgField Config file field name
292 private String parseConfigFile(String strCfgFileName, String strCfgField) {
293 // Parse configuration file
294 Properties prop = new Properties();
295 File file = new File(strCfgFileName);
296 FileInputStream fis = null;
298 fis = new FileInputStream(file);
301 } catch (IOException ex) {
302 System.out.println("IoTMaster: Error reading config file: " + strCfgFileName);
303 ex.printStackTrace();
305 System.out.println("IoTMaster: Reading " + strCfgField +
306 " from config file: " + strCfgFileName + " with value: " +
307 prop.getProperty(strCfgField, null));
308 // NULL is returned if the property isn't found
309 return prop.getProperty(strCfgField, null);
313 * A method to send files from IoTMaster
315 * @param filesocket File socket object
316 * @param sFileName File name
317 * @param lFLength File length
320 private void sendFile(Socket filesocket, String sFileName, long lFLength) throws IOException {
322 File file = new File(sFileName);
323 byte[] bytFile = new byte[toIntExact(lFLength)];
324 InputStream inFileStream = new FileInputStream(file);
326 OutputStream outFileStream = filesocket.getOutputStream();
328 while ((iCount = inFileStream.read(bytFile)) > 0) {
329 outFileStream.write(bytFile, 0, iCount);
332 RuntimeOutput.print("IoTMaster: File sent!", BOOL_VERBOSE);
336 * A method to create a thread
338 * @param sSSHCmd SSH command
341 private void createThread(String sSSHCmd) throws IOException {
343 // Start a new thread to start a new JVM
345 Runtime runtime = Runtime.getRuntime();
346 Process process = runtime.exec(sSSHCmd);
348 RuntimeOutput.print("Executing: " + sSSHCmd, BOOL_VERBOSE);
352 * A method to send command from master and receive reply from slave
354 * @params msgSend Message object
355 * @params strPurpose String that prints purpose message
356 * @params inStream Input stream
357 * @params outStream Output stream
360 private void commMasterToSlave(Message msgSend, String strPurpose,
361 InputStream _inStream, OutputStream _outStream)
362 throws IOException, ClassNotFoundException {
364 // Send message/command from master
365 ObjectOutputStream outStream = (ObjectOutputStream) _outStream;
366 outStream.writeObject(msgSend);
367 RuntimeOutput.print("IoTMaster: Send message: " + strPurpose, BOOL_VERBOSE);
369 // Get reply from slave as acknowledgment
370 ObjectInputStream inStream = (ObjectInputStream) _inStream;
371 Message msgReply = (Message) inStream.readObject();
372 RuntimeOutput.print("IoTMaster: Reply message: " + msgReply.getMessage(), BOOL_VERBOSE);
376 * A private method to instrument IoTSet device
378 * @params strFieldIdentifier String field name + object ID
379 * @params strFieldName String field name
380 * @params strIoTSlaveObjectHostAdd String slave host address
381 * @params inStream ObjectInputStream communication
382 * @params inStream ObjectOutputStream communication
385 private void instrumentIoTSetDevice(String strFieldIdentifier, String strObjName, String strFieldName, String strIoTSlaveObjectHostAdd,
386 InputStream inStream, OutputStream outStream)
387 throws IOException, ClassNotFoundException, InterruptedException {
389 // Get information from the set
390 List<Object[]> listObject = objAddInitHand.getFields(strFieldIdentifier);
391 // Create a new IoTSet
392 if(STR_LANGUAGE.equals(STR_JAVA)) {
393 Message msgCrtIoTSet = new MessageCreateSetRelation(IoTCommCode.CREATE_NEW_IOTSET, strFieldName);
394 commMasterToSlave(msgCrtIoTSet, "Create new IoTSet for IoTDeviceAddress!", inStream, outStream);
396 createNewIoTSetCpp(strFieldName, outStream, inStream);
397 int iRows = listObject.size();
398 RuntimeOutput.print("IoTMaster: Number of rows for IoTDeviceAddress: " + iRows, BOOL_VERBOSE);
399 // Transfer the address
400 for(int iRow=0; iRow<iRows; iRow++) {
401 arrFieldValues = listObject.get(iRow);
402 // Get device address - if 00:00:00:00:00:00 that means it needs the driver object address (self)
403 String strDeviceAddress = null;
404 String strDeviceAddressKey = null;
405 if (arrFieldValues[0].equals(STR_SELF_MAC_ADD)) {
406 strDeviceAddress = strIoTSlaveObjectHostAdd;
407 strDeviceAddressKey = strObjName + "-" + strIoTSlaveObjectHostAdd;
409 strDeviceAddress = routerConfig.getIPFromMACAddress((String) arrFieldValues[0]);
410 strDeviceAddressKey = strObjName + "-" + strDeviceAddress;
412 int iDestDeviceDriverPort = (int) arrFieldValues[1];
413 String strProtocol = (String) arrFieldValues[2];
414 // Check for wildcard feature
415 boolean bSrcPortWildCard = false;
416 boolean bDstPortWildCard = false;
417 if (arrFieldValues.length > 3) {
418 bSrcPortWildCard = (boolean) arrFieldValues[3];
419 bDstPortWildCard = (boolean) arrFieldValues[4];
421 // Add the port connection into communication handler - if it's not assigned yet
422 if (commHan.getComPort(strDeviceAddressKey) == null) {
423 commHan.addPortConnection(strIoTSlaveObjectHostAdd, strDeviceAddressKey);
427 System.out.println("\n\n DEBUG: InstrumentSetDevice: Object Name: " + strObjName);
428 System.out.println("DEBUG: InstrumentSetDevice: Port number: " + commHan.getComPort(strDeviceAddressKey));
429 System.out.println("DEBUG: InstrumentSetDevice: Device address: " + strDeviceAddressKey + "\n\n");
431 // Send address one by one
432 if(STR_LANGUAGE.equals(STR_JAVA)) {
433 Message msgGetIoTSetObj = null;
434 if (bDstPortWildCard) {
435 String strUniqueDev = strDeviceAddressKey + ":" + iRow;
436 msgGetIoTSetObj = new MessageGetDeviceObject(IoTCommCode.GET_DEVICE_IOTSET_OBJECT,
437 strDeviceAddress, commHan.getAdditionalPort(strUniqueDev), iDestDeviceDriverPort, bSrcPortWildCard, bDstPortWildCard);
439 msgGetIoTSetObj = new MessageGetDeviceObject(IoTCommCode.GET_DEVICE_IOTSET_OBJECT,
440 strDeviceAddress, commHan.getComPort(strDeviceAddressKey), iDestDeviceDriverPort, bSrcPortWildCard, bDstPortWildCard);
441 commMasterToSlave(msgGetIoTSetObj, "Get IoTSet objects!", inStream, outStream);
443 getDeviceIoTSetObjectCpp(outStream, inStream, strDeviceAddress, commHan.getComPort(strDeviceAddressKey), iDestDeviceDriverPort,
444 bSrcPortWildCard, bDstPortWildCard);
446 // Reinitialize IoTSet on device object
447 if(STR_LANGUAGE.equals(STR_JAVA))
448 commMasterToSlave(new MessageSimple(IoTCommCode.REINITIALIZE_IOTSET_FIELD), "Reinitialize IoTSet fields!", inStream, outStream);
450 reinitializeIoTSetFieldCpp(outStream, inStream);
455 * A private method to instrument IoTSet Zigbee device
457 * @params Map.Entry<String,Object> Entry of map IoTSet instrumentation
458 * @params strFieldName String field name
459 * @params strIoTSlaveObjectHostAdd String slave host address
460 * @params inStream ObjectInputStream communication
461 * @params inStream ObjectOutputStream communication
464 private void instrumentIoTSetZBDevice(Map.Entry<String,Object> map, String strObjName, String strFieldName, String strIoTSlaveObjectHostAdd,
465 InputStream inStream, OutputStream outStream)
466 throws IOException, ClassNotFoundException, InterruptedException {
468 // Get information from the set
469 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
470 // Create a new IoTSet
471 if(STR_LANGUAGE.equals(STR_JAVA)) {
472 Message msgCrtIoTSet = new MessageCreateSetRelation(IoTCommCode.CREATE_NEW_IOTSET, strFieldName);
473 commMasterToSlave(msgCrtIoTSet, "Create new IoTSet for IoTZigbeeAddress!", inStream, outStream);
474 } else // TODO: will need to implement IoTSet Zigbee for C++ later
476 // Prepare ZigbeeConfig
477 String strZigbeeGWAddress = routerConfig.getIPFromMACAddress(STR_ZB_GATEWAY_ADDRESS);
478 String strZigbeeGWAddressKey = strObjName + "-" + strZigbeeGWAddress;
479 int iZigbeeGWPort = Integer.parseInt(STR_ZB_GATEWAY_PORT);
480 int iZigbeeIoTMasterPort = Integer.parseInt(STR_ZB_IOTMASTER_PORT);
481 commHan.addDevicePort(iZigbeeIoTMasterPort);
482 ZigbeeConfig zbConfig = new ZigbeeConfig(strZigbeeGWAddress, iZigbeeGWPort, iZigbeeIoTMasterPort,
484 // Add the port connection into communication handler - if it's not assigned yet
485 if (commHan.getComPort(strZigbeeGWAddressKey) == null) {
486 commHan.addPortConnection(strIoTSlaveObjectHostAdd, strZigbeeGWAddressKey);
488 int iRows = setInstrumenter.numberOfRows();
489 RuntimeOutput.print("IoTMaster: Number of rows for IoTZigbeeAddress: " + iRows, BOOL_VERBOSE);
492 System.out.println("\n\n DEBUG: InstrumentZigbeeDevice: Object Name: " + strObjName);
493 System.out.println("DEBUG: InstrumentZigbeeDevice: Port number: " + commHan.getComPort(strZigbeeGWAddressKey));
494 System.out.println("DEBUG: InstrumentZigbeeDevice: Device address: " + strZigbeeGWAddress + "\n\n");
496 // Transfer the address
497 for(int iRow=0; iRow<iRows; iRow++) {
498 arrFieldValues = setInstrumenter.fieldValues(iRow);
499 // Get device address
500 String strZBDevAddress = (String) arrFieldValues[0];
501 // Send policy to Zigbee gateway - TODO: Need to clear policy first?
502 zbConfig.setPolicy(strIoTSlaveObjectHostAdd, commHan.getComPort(strZigbeeGWAddressKey), strZBDevAddress);
503 // Send address one by one
504 if(STR_LANGUAGE.equals(STR_JAVA)) {
505 Message msgGetIoTSetZBObj = new MessageGetSimpleDeviceObject(IoTCommCode.GET_ZB_DEV_IOTSET_OBJECT, strZBDevAddress);
506 commMasterToSlave(msgGetIoTSetZBObj, "Get IoTSet objects!", inStream, outStream);
507 } else // TODO: Implement IoTSet Zigbee for C++
510 zbConfig.closeConnection();
511 // Reinitialize IoTSet on device object
512 commMasterToSlave(new MessageSimple(IoTCommCode.REINITIALIZE_IOTSET_FIELD), "Reinitialize IoTSet fields!", inStream, outStream);
517 * A private method to instrument IoTSet of addresses
519 * @params strFieldIdentifier String field name + object ID
520 * @params strFieldName String field name
521 * @params inStream ObjectInputStream communication
522 * @params inStream ObjectOutputStream communication
525 private void instrumentIoTSetAddress(String strFieldIdentifier, String strFieldName,
526 InputStream inStream, OutputStream outStream)
527 throws IOException, ClassNotFoundException, InterruptedException {
529 // Get information from the set
530 List<Object[]> listObject = objAddInitHand.getFields(strFieldIdentifier);
531 // Create a new IoTSet
532 if(STR_LANGUAGE.equals(STR_JAVA)) {
533 Message msgCrtIoTSet = new MessageCreateSetRelation(IoTCommCode.CREATE_NEW_IOTSET, strFieldName);
534 commMasterToSlave(msgCrtIoTSet, "Create new IoTSet for IoTAddress!", inStream, outStream);
537 int iRows = listObject.size();
538 RuntimeOutput.print("IoTMaster: Number of rows for IoTAddress: " + iRows, BOOL_VERBOSE);
539 // Transfer the address
540 for(int iRow=0; iRow<iRows; iRow++) {
541 arrFieldValues = listObject.get(iRow);
542 // Get device address
543 String strAddress = (String) arrFieldValues[0];
544 // Send address one by one
545 if(STR_LANGUAGE.equals(STR_JAVA)) {
546 Message msgGetIoTSetAddObj = new MessageGetSimpleDeviceObject(IoTCommCode.GET_ADD_IOTSET_OBJECT, strAddress);
547 commMasterToSlave(msgGetIoTSetAddObj, "Get IoTSet objects!", inStream, outStream);
548 } else // TODO: Implement IoTSet Address for C++
551 // Reinitialize IoTSet on device object
552 commMasterToSlave(new MessageSimple(IoTCommCode.REINITIALIZE_IOTSET_FIELD),
553 "Reinitialize IoTSet fields!", inStream, outStream);
558 * A private method to instrument an object on a specific machine and setting up policies
560 * @params strFieldObjectID String field object ID
563 private void instrumentObject(String strFieldObjectID) throws IOException {
565 // Extract the interface name for RMI
566 // e.g. ProximitySensorInterface, TempSensorInterface, etc.
568 String strObjCfgFile = STR_IOT_CODE_PATH + strObjClassName + "/" + strObjClassName + STR_CFG_FILE_EXT;
569 strObjClassInterfaceName = parseConfigFile(strObjCfgFile, STR_INTERFACE_CLS_CFG);
570 strObjStubClsIntfaceName = parseConfigFile(strObjCfgFile, STR_INT_STUB_CLS_CFG);
571 // Create an object name, e.g. ProximitySensorImplPS1
572 strObjName = strObjClassName + strFieldObjectID;
573 // Check first if host exists
574 if(commHan.objectExists(strObjName)) {
575 // If this object exists already ...
576 // Re-read IoTSlave object hostname for further reference
577 strIoTSlaveObjectHostAdd = commHan.getHostAddress(strObjName);
578 RuntimeOutput.print("IoTMaster: Object with name: " + strObjName + " has existed!", BOOL_VERBOSE);
580 // If this is a new object ... then create one
581 // Get host address for IoTSlave from LoadBalancer
582 //strIoTSlaveObjectHostAdd = lbIoT.selectHost();
583 strIoTSlaveObjectHostAdd = routerConfig.getIPFromMACAddress(lbIoT.selectHost());
584 if (strIoTSlaveControllerHostAdd == null)
585 throw new Error("IoTMaster: Could not translate MAC to IP address! Please check the router's /tmp/dhcp.leases!");
586 RuntimeOutput.print("IoTMaster: Object name: " + strObjName, BOOL_VERBOSE);
587 // Add port connection and get port numbers
588 // Naming for objects ProximitySensor becomes ProximitySensor0, ProximitySensor1, etc.
589 commHan.addPortConnection(strIoTSlaveObjectHostAdd, strObjName);
590 commHan.addActiveControllerObject(strFieldObjectID, strObjName, strObjClassName, strObjClassInterfaceName,
591 strObjStubClsIntfaceName, strIoTSlaveObjectHostAdd, arrFieldValues, arrFieldClasses);
592 // ROUTING POLICY: IoTMaster and device/controller object
593 // Master-slave communication
594 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTMasterHostAdd,
595 strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL, commHan.getComPort(strObjName));
596 // ROUTING POLICY: Send the same routing policy to both the hosts
597 routerConfig.configureHostMainPolicies(strIoTMasterHostAdd, strIoTMasterHostAdd,
598 strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL, commHan.getComPort(strObjName));
599 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTMasterHostAdd,
600 strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL, commHan.getComPort(strObjName));
601 // Need to accommodate callback functions here - open ports for TCP
602 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveControllerHostAdd,
603 strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
604 routerConfig.configureHostMainPolicies(strIoTSlaveControllerHostAdd, strIoTSlaveControllerHostAdd,
605 strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
606 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveControllerHostAdd,
607 strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
608 // Instrument the IoTSet declarations inside the class file
609 instrumentObjectIoTSet(strFieldObjectID);
611 // Send routing policy to router for controller object
612 // ROUTING POLICY: RMI communication - RMI registry and stub ports
613 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
614 STR_TCP_PROTOCOL, commHan.getRMIRegPort(strObjName));
615 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
616 STR_TCP_PROTOCOL, commHan.getRMIStubPort(strObjName));
617 // Send the same set of routing policies to compute nodes
618 routerConfig.configureHostMainPolicies(strIoTSlaveControllerHostAdd, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
619 STR_TCP_PROTOCOL, commHan.getRMIRegPort(strObjName));
620 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
621 STR_TCP_PROTOCOL, commHan.getRMIRegPort(strObjName));
622 routerConfig.configureHostMainPolicies(strIoTSlaveControllerHostAdd, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
623 STR_TCP_PROTOCOL, commHan.getRMIStubPort(strObjName));
624 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
625 STR_TCP_PROTOCOL, commHan.getRMIStubPort(strObjName));
626 // Send the same set of routing policies for callback ports
627 setCallbackPortsPolicy(strObjName, STR_ROUTER_ADD, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
631 * A private method to set router policies for callback ports
633 * @params strRouterAdd String router address
634 * @params strIoTSlaveControllerHostAdd String slave controller host address
635 * @params strIoTSlaveObjectHostAdd String slave object host address
636 * @params strProtocol String protocol
637 * @return iPort Integer port number
639 private void setCallbackPortsPolicy(String strObjName, String strRouterAdd, String strIoTSlaveControllerHostAdd,
640 String strIoTSlaveObjectHostAdd, String strProtocol) {
642 int iNumCallbackPorts = Integer.parseInt(STR_NUM_CALLBACK_PORTS);
643 Integer[] rmiCallbackPorts = commHan.getCallbackPorts(strObjName, iNumCallbackPorts);
645 // Iterate over port numbers and set up policies
646 for (int i=0; i<iNumCallbackPorts; i++) {
647 routerConfig.configureRouterMainPolicies(strRouterAdd, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
648 strProtocol, rmiCallbackPorts[i]);
649 routerConfig.configureHostMainPolicies(strIoTSlaveControllerHostAdd, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
650 strProtocol, rmiCallbackPorts[i]);
651 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveControllerHostAdd, strIoTSlaveObjectHostAdd,
652 strProtocol, rmiCallbackPorts[i]);
657 * A private method to set router policies for IoTDeviceAddress objects
659 * @params strFieldIdentifier String field name + object ID
660 * @params Map.Entry<String,Object> Entry of map IoTSet instrumentation
661 * @params strIoTSlaveObjectHostAdd String slave host address
664 private void setRouterPolicyIoTSetDevice(String strFieldIdentifier, Map.Entry<String,Object> map,
665 String strIoTSlaveObjectHostAdd) {
667 // Get information from the set
668 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
669 int iRows = setInstrumenter.numberOfRows();
670 RuntimeOutput.print("IoTMaster: Number of rows for IoTDeviceAddress: " + iRows, BOOL_VERBOSE);
671 // Transfer the address
672 for(int iRow=0; iRow<iRows; iRow++) {
673 arrFieldValues = setInstrumenter.fieldValues(iRow);
674 objAddInitHand.addField(strFieldIdentifier, arrFieldValues); // Save this for object instantiation
675 // Get device address - if 00:00:00:00:00:00 that means it needs the driver object address (self)
676 String strDeviceAddress = null;
677 String strDeviceAddressKey = null;
678 if (arrFieldValues[0].equals(STR_SELF_MAC_ADD)) {
679 strDeviceAddress = strIoTSlaveObjectHostAdd;
680 strDeviceAddressKey = strObjName + "-" + strIoTSlaveObjectHostAdd;
681 } else { // Concatenate object name and IP address to give unique key - for a case where there is one device for multiple drivers
682 strDeviceAddress = routerConfig.getIPFromMACAddress((String) arrFieldValues[0]);
683 strDeviceAddressKey = strObjName + "-" + strDeviceAddress;
685 int iDestDeviceDriverPort = (int) arrFieldValues[1];
686 String strProtocol = (String) arrFieldValues[2];
687 // Add the port connection into communication handler - if it's not assigned yet
688 if (commHan.getComPort(strDeviceAddressKey) == null)
689 commHan.addPortConnection(strIoTSlaveObjectHostAdd, strDeviceAddressKey);
690 boolean bDstPortWildCard = false;
691 // Recognize this and allocate different ports for it
692 if (arrFieldValues.length > 3) {
693 bDstPortWildCard = (boolean) arrFieldValues[4];
694 if (bDstPortWildCard) { // This needs a unique source port
695 String strUniqueDev = strDeviceAddressKey + ":" + iRow;
696 commHan.addAdditionalPort(strUniqueDev);
701 System.out.println("\n\n DEBUG: InstrumentPolicySetDevice: Object Name: " + strObjName);
702 System.out.println("DEBUG: InstrumentPolicySetDevice: Port number: " + commHan.getComPort(strDeviceAddressKey));
703 System.out.println("DEBUG: InstrumentPolicySetDevice: Device address: " + strDeviceAddressKey + "\n\n");
705 // Send routing policy to router for device drivers and devices
706 // ROUTING POLICY: RMI communication - RMI registry and stub ports
707 if((iDestDeviceDriverPort == -1) && (!strProtocol.equals(STR_NO_PROTOCOL))) {
708 // Port number -1 means that we don't set the policy strictly to port number level
709 // "nopro" = no protocol specified for just TCP or just UDP (can be both used as well)
710 // ROUTING POLICY: Device driver and device
711 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveObjectHostAdd, strDeviceAddress, strProtocol);
712 // ROUTING POLICY: Send to the compute node where the device driver is
713 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveObjectHostAdd, strDeviceAddress, strProtocol);
714 } else if((iDestDeviceDriverPort == -1) && (strProtocol.equals(STR_NO_PROTOCOL))) {
715 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveObjectHostAdd, strDeviceAddress);
716 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveObjectHostAdd, strDeviceAddress);
717 } else if(strProtocol.equals(STR_TCPGW_PROTOCOL)) {
718 // This is a TCP protocol that connects, e.g. a phone to our runtime system
719 // that provides a gateway access (accessed through destination port number)
720 commHan.addDevicePort(iDestDeviceDriverPort);
721 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveObjectHostAdd, strDeviceAddress, STR_TCP_PROTOCOL, iDestDeviceDriverPort);
722 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveObjectHostAdd, strDeviceAddress, STR_TCP_PROTOCOL, iDestDeviceDriverPort);
723 routerConfig.configureRouterHTTPPolicies(STR_ROUTER_ADD, strIoTSlaveObjectHostAdd, strDeviceAddress);
724 routerConfig.configureHostHTTPPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveObjectHostAdd, strDeviceAddress);
726 // Other port numbers...
727 commHan.addDevicePort(iDestDeviceDriverPort);
728 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTSlaveObjectHostAdd, strDeviceAddress, strProtocol,
729 commHan.getComPort(strDeviceAddressKey), iDestDeviceDriverPort);
730 routerConfig.configureHostMainPolicies(strIoTSlaveObjectHostAdd, strIoTSlaveObjectHostAdd, strDeviceAddress, strProtocol,
731 commHan.getComPort(strDeviceAddressKey), iDestDeviceDriverPort);
737 * A private method to set router policies for IoTAddress objects
739 * @params strFieldIdentifier String field name + object ID
740 * @params Map.Entry<String,Object> Entry of map IoTSet instrumentation
741 * @params strHostAddress String host address
744 private void setRouterPolicyIoTSetAddress(String strFieldIdentifier, Map.Entry<String,Object> map,
745 String strHostAddress) {
747 // Get information from the set
748 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
749 int iRows = setInstrumenter.numberOfRows();
750 RuntimeOutput.print("IoTMaster: Number of rows for IoTAddress: " + iRows, BOOL_VERBOSE);
751 // Transfer the address
752 for(int iRow=0; iRow<iRows; iRow++) {
753 arrFieldValues = setInstrumenter.fieldValues(iRow);
754 objAddInitHand.addField(strFieldIdentifier, arrFieldValues); // Save this for object instantiation
755 // Get device address
756 String strAddress = (String) arrFieldValues[0];
757 // Setting up router policies for HTTP/HTTPs
758 routerConfig.configureRouterHTTPPolicies(STR_ROUTER_ADD, strHostAddress, strAddress);
759 routerConfig.configureHostHTTPPolicies(strHostAddress, strHostAddress, strAddress);
764 * A private method to instrument an object's IoTSet and IoTRelation field to up policies
766 * Mostly the IoTSet fields would contain IoTDeviceAddress objects
768 * @params strFieldObjectID String field object ID
771 private void instrumentObjectIoTSet(String strFieldObjectID) throws IOException {
773 // If this is a new object ... then create one
774 // Instrument the class source code and look for IoTSet for device addresses
775 // e.g. @config private IoTSet<IoTDeviceAddress> lb_addresses;
776 HashMap<String,Object> hmObjectFieldObjects = null;
777 if(STR_LANGUAGE.equals(STR_JAVA)) {
778 String strObjectClassNamePath = STR_IOT_CODE_PATH + strObjClassName + "/" + strObjClassName + STR_CLS_FILE_EXT;
779 FileInputStream fis = new FileInputStream(strObjectClassNamePath);
780 ClassReader cr = new ClassReader(fis);
781 ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
782 // We need Object ID to instrument IoTDeviceAddress
783 ClassRuntimeInstrumenterMaster crim = new ClassRuntimeInstrumenterMaster(cw, strFieldObjectID, BOOL_VERBOSE);
786 mapClassNameToCrim.put(strObjClassName + strFieldObjectID, crim);
787 hmObjectFieldObjects = crim.getFieldObjects();
789 String strObjectClassNamePath = STR_IOT_CODE_PATH + strObjClassName + "/" + strObjClassName + STR_CFG_FILE_EXT;
790 CRuntimeInstrumenterMaster crim = new CRuntimeInstrumenterMaster(strObjectClassNamePath, strFieldObjectID, BOOL_VERBOSE);
791 mapClassNameToCrim.put(strObjClassName + strFieldObjectID, crim);
792 hmObjectFieldObjects = crim.getFieldObjects();
794 // Get the object and the class names
795 // Build objects for IoTSet and IoTRelation fields in the device object classes
796 RuntimeOutput.print("IoTMaster: Going to instrument for " + strObjClassName + " with objectID " +
797 strFieldObjectID, BOOL_VERBOSE);
798 for(Map.Entry<String,Object> map : hmObjectFieldObjects.entrySet()) {
799 RuntimeOutput.print("IoTMaster: Object name: " + map.getValue().getClass().getName(), BOOL_VERBOSE);
800 // Iterate over HashMap and choose between processing
801 String strFieldName = map.getKey();
802 String strClassName = map.getValue().getClass().getName();
803 String strFieldIdentifier = strFieldName + strFieldObjectID;
804 if(strClassName.equals(STR_SET_INSTRUMENTER_CLS)) {
805 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
806 if(setInstrumenter.getObjTableName().equals(STR_IOT_DEV_ADD_CLS)) {
807 // Instrument the normal IoTDeviceAddress
808 setRouterPolicyIoTSetDevice(strFieldIdentifier, map, strIoTSlaveObjectHostAdd);
809 } else if(setInstrumenter.getObjTableName().equals(STR_IOT_ADD_CLS)) {
810 // Instrument the IoTAddress
811 setRouterPolicyIoTSetAddress(strFieldIdentifier, map, strIoTSlaveObjectHostAdd);
812 } else if(setInstrumenter.getObjTableName().equals(STR_IOT_ZB_ADD_CLS)) {
813 // Instrument the IoTZigbeeAddress - special feature for Zigbee device support
814 RuntimeOutput.print("IoTMaster: IoTZigbeeAddress found! No router policy is set here..",
817 String strErrMsg = "IoTMaster: Device driver object" +
818 " can only have IoTSet<IoTAddress>, IoTSet<IoTDeviceAddress>," +
819 " or IoTSet<IoTZigbeeAddress>!";
820 throw new Error(strErrMsg);
823 String strErrMsg = "IoTMaster: Device driver object can only have IoTSet for addresses!";
824 throw new Error(strErrMsg);
831 * A private method to send files to a Java slave driver
833 * @params serverSocket ServerSocket
834 * @params _inStream InputStream
835 * @params _outStream OutputStream
836 * @params strObjName String
837 * @params strObjClassName String
838 * @params strObjClassInterfaceName String
839 * @params strObjStubClsIntfaceName String
840 * @params strIoTSlaveObjectHostAdd String
841 * @params strFieldObjectID String
842 * @params arrFieldValues Object[]
843 * @params arrFieldClasses Class[]
846 private void sendFileToJavaSlaveDriver(ServerSocket serverSocket, InputStream _inStream, OutputStream _outStream,
847 String strObjName, String strObjClassName, String strObjClassInterfaceName, String strObjStubClsIntfaceName,
848 String strIoTSlaveObjectHostAdd, String strFieldObjectID, Object[] arrFieldValues, Class[] arrFieldClasses)
849 throws IOException, ClassNotFoundException {
851 ObjectInputStream inStream = (ObjectInputStream) _inStream;
852 ObjectOutputStream outStream = (ObjectOutputStream) _outStream;
853 // Create message to transfer file first
854 String sFileName = strObjClassName + STR_JAR_FILE_EXT;
855 String sPath = STR_IOT_CODE_PATH + strObjClassName + "/" + sFileName;
856 File file = new File(sPath);
857 commMasterToSlave(new MessageSendFile(IoTCommCode.TRANSFER_FILE, sFileName, file.length()),
858 "Sending file!", inStream, outStream);
859 // Send file - JAR file for object creation
860 sendFile(serverSocket.accept(), sPath, file.length());
861 Message msgReply = (Message) inStream.readObject();
862 RuntimeOutput.print("IoTMaster: Reply message: " + msgReply.getMessage(), BOOL_VERBOSE);
863 // Pack object information to create object on a IoTSlave
864 Message msgObjIoTSlave = new MessageCreateObject(IoTCommCode.CREATE_OBJECT, strIoTSlaveObjectHostAdd,
865 strObjClassName, strObjName, strObjClassInterfaceName, strObjStubClsIntfaceName, commHan.getRMIRegPort(strObjName),
866 commHan.getRMIStubPort(strObjName), arrFieldValues, arrFieldClasses);
868 commMasterToSlave(msgObjIoTSlave, "Sending object information", inStream, outStream);
873 * A private method to send files to a Java slave driver
877 private void sendFileToCppSlaveDriver(String strObjClassName, String strIoTSlaveObjectHostAdd)
878 throws IOException, ClassNotFoundException {
880 // Create message to transfer file first
881 String sFileName = strObjClassName + STR_ZIP_FILE_EXT;
882 String sFile = STR_IOT_CODE_PATH + strObjClassName + "/" + sFileName;
883 String strCmdSend = STR_SCP + " " + sFile + " " + STR_USERNAME + strIoTSlaveObjectHostAdd + ":" + STR_SLAVE_DIR;
884 runCommand(strCmdSend);
885 RuntimeOutput.print("IoTMaster: Executing: " + strCmdSend, BOOL_VERBOSE);
887 String strCmdUnzip = STR_SSH + " " + STR_USERNAME + strIoTSlaveObjectHostAdd + " cd " +
888 STR_SLAVE_DIR + " sudo unzip " + sFileName + ";";
889 runCommand(strCmdUnzip);
890 RuntimeOutput.print("IoTMaster: Executing: " + strCmdUnzip, BOOL_VERBOSE);
896 * Construct command line for Java IoTSlave
900 private String getCmdJavaDriverIoTSlave(String strIoTMasterHostAdd, String strIoTSlaveObjectHostAdd, String strObjName) {
902 return STR_SSH + " " + STR_USERNAME + strIoTSlaveObjectHostAdd + " cd " + STR_RUNTIME_DIR + " sudo java " +
903 STR_CLS_PATH + " " + STR_RMI_PATH + " " + STR_RMI_HOSTNAME +
904 strIoTSlaveObjectHostAdd + " " + STR_IOT_SLAVE_CLS + " " + strIoTMasterHostAdd + " " +
905 commHan.getComPort(strObjName) + " " + commHan.getRMIRegPort(strObjName) + " " +
906 commHan.getRMIStubPort(strObjName) + " >& " + STR_LOG_FILE_PATH + strObjName + ".log &";
911 * Construct command line for C++ IoTSlave
915 private String getCmdCppDriverIoTSlave(String strIoTMasterHostAdd, String strIoTSlaveObjectHostAdd, String strObjName) {
917 return STR_SSH + " " + STR_USERNAME + strIoTSlaveObjectHostAdd + " cd " +
918 STR_SLAVE_DIR + " sudo " + STR_IOTSLAVE_CPP + " " + strIoTMasterHostAdd + " " +
919 commHan.getComPort(strObjName) + " " + strObjName;
924 * A private method to create an object on a specific machine
926 * @params strObjName String object name
927 * @params strObjClassName String object class name
928 * @params strObjClassInterfaceName String object class interface name
929 * @params strIoTSlaveObjectHostAdd String IoTSlave host address
930 * @params strFieldObjectID String field object ID
931 * @params arrFieldValues Array of field values
932 * @params arrFieldClasses Array of field classes
935 private void createObject(String strObjName, String strObjClassName, String strObjClassInterfaceName, String strObjStubClsIntfaceName,
936 String strIoTSlaveObjectHostAdd, String strFieldObjectID, Object[] arrFieldValues, Class[] arrFieldClasses)
937 throws IOException, FileNotFoundException, ClassNotFoundException, InterruptedException {
944 start = System.currentTimeMillis();
946 // Construct ssh command line
947 // e.g. ssh rtrimana@dw-2.eecs.uci.edu cd <path>;
948 // java -cp $CLASSPATH:./*.jar
949 // -Djava.rmi.server.codebase=file:./*.jar
950 // iotruntime.IoTSlave dw-1.eecs.uci.edu 46151 23829 42874 &
951 // The In-Port for IoTMaster is the Out-Port for IoTSlave and vice versa
952 String strSSHCommand = null;
953 if(STR_LANGUAGE.equals(STR_JAVA))
954 strSSHCommand = getCmdJavaDriverIoTSlave(strIoTMasterHostAdd, strIoTSlaveObjectHostAdd, strObjName);
956 strSSHCommand = getCmdCppDriverIoTSlave(strIoTMasterHostAdd, strIoTSlaveObjectHostAdd, strObjName);
958 RuntimeOutput.print(strSSHCommand, BOOL_VERBOSE);
959 // Start a new thread to start a new JVM
960 createThread(strSSHCommand);
961 ServerSocket serverSocket = new ServerSocket(commHan.getComPort(strObjName));
962 Socket socket = serverSocket.accept();
963 //InputStream inStream = new ObjectInputStream(socket.getInputStream());
964 //OutputStream outStream = new ObjectOutputStream(socket.getOutputStream());
965 InputStream inStream = null;
966 OutputStream outStream = null;
967 if(STR_LANGUAGE.equals(STR_JAVA)) {
968 inStream = new ObjectInputStream(socket.getInputStream());
969 outStream = new ObjectOutputStream(socket.getOutputStream());
970 } else { // At this point the language is certainly C++, otherwise would've complained above
971 inStream = new BufferedInputStream(socket.getInputStream());
972 outStream = new BufferedOutputStream(socket.getOutputStream());
977 result = System.currentTimeMillis()-start;
978 System.out.println("\n\n ==> Time needed to start JVM for " + strObjName + ": " + result + "\n\n");
981 start = System.currentTimeMillis();
983 if(STR_LANGUAGE.equals(STR_JAVA)) {
984 sendFileToJavaSlaveDriver(serverSocket, inStream, outStream, strObjName,
985 strObjClassName, strObjClassInterfaceName, strObjStubClsIntfaceName,
986 strIoTSlaveObjectHostAdd, strFieldObjectID, arrFieldValues, arrFieldClasses);
988 sendFileToCppSlaveDriver(strObjClassName, strIoTSlaveObjectHostAdd);
989 createObjectCpp(strObjName, strObjClassName, strObjClassInterfaceName, strIoTSlaveObjectHostAdd,
990 commHan.getRMIRegPort(strObjName), commHan.getRMIStubPort(strObjName), arrFieldValues, arrFieldClasses,
991 outStream, inStream);
995 result = System.currentTimeMillis()-start;
996 System.out.println("\n\n ==> Time needed to send JAR file for " + strObjName + ": " + result + "\n\n");
999 start = System.currentTimeMillis();
1001 // Instrument the class source code and look for IoTSet for device addresses
1002 // e.g. @config private IoTSet<IoTDeviceAddress> lb_addresses;
1003 RuntimeOutput.print("IoTMaster: Instantiating for " + strObjClassName + " with objectID " + strFieldObjectID, BOOL_VERBOSE);
1004 // Get the object and the class names
1005 // Build objects for IoTSet and IoTRelation fields in the device object classes
1006 Object crimObj = mapClassNameToCrim.get(strObjClassName + strFieldObjectID);
1007 HashMap<String,Object> hmObjectFieldObjects = null;
1008 if (crimObj instanceof ClassRuntimeInstrumenterMaster) {
1009 ClassRuntimeInstrumenterMaster crim = (ClassRuntimeInstrumenterMaster) crimObj;
1010 hmObjectFieldObjects = crim.getFieldObjects();
1011 } else if (crimObj instanceof CRuntimeInstrumenterMaster) {
1012 CRuntimeInstrumenterMaster crim = (CRuntimeInstrumenterMaster) crimObj;
1013 hmObjectFieldObjects = crim.getFieldObjects();
1015 for(Map.Entry<String,Object> map : hmObjectFieldObjects.entrySet()) {
1016 RuntimeOutput.print("IoTMaster: Object name: " + map.getValue().getClass().getName(), BOOL_VERBOSE);
1017 // Iterate over HashMap and choose between processing
1018 String strFieldName = map.getKey();
1019 String strClassName = map.getValue().getClass().getName();
1020 String strFieldIdentifier = strFieldName + strFieldObjectID;
1021 if(strClassName.equals(STR_SET_INSTRUMENTER_CLS)) {
1022 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
1023 if(setInstrumenter.getObjTableName().equals(STR_IOT_DEV_ADD_CLS)) {
1024 // Instrument the normal IoTDeviceAddress
1025 synchronized(this) {
1026 instrumentIoTSetDevice(strFieldIdentifier, strObjName, strFieldName, strIoTSlaveObjectHostAdd, inStream, outStream);
1028 } else if(setInstrumenter.getObjTableName().equals(STR_IOT_ZB_ADD_CLS)) {
1029 // Instrument the IoTZigbeeAddress - special feature for Zigbee device support
1030 synchronized(this) {
1031 instrumentIoTSetZBDevice(map, strObjName, strFieldName, strIoTSlaveObjectHostAdd, inStream, outStream);
1033 } else if(setInstrumenter.getObjTableName().equals(STR_IOT_ADD_CLS)) {
1034 // Instrument the IoTAddress
1035 synchronized(this) {
1036 instrumentIoTSetAddress(strFieldIdentifier, strFieldName, inStream, outStream);
1039 String strErrMsg = "IoTMaster: Device driver object can only have IoTSet<IoTAddress>, IoTSet<IoTDeviceAddress>," +
1040 " or IoTSet<IoTZigbeeAddress>!";
1041 throw new Error(strErrMsg);
1044 String strErrMsg = "IoTMaster: Device driver object can only have IoTSet for addresses!";
1045 throw new Error(strErrMsg);
1049 // TODO: Change this later
1051 if(STR_LANGUAGE.equals(STR_JAVA)) {
1052 ObjectOutputStream oStream = (ObjectOutputStream) outStream;
1053 oStream.writeObject(new MessageSimple(IoTCommCode.END_SESSION));
1054 } else // C++ side for now will be running continuously because it's an infinite loop (not in a separate thread)
1055 //endSessionCpp(outStream);
1059 result = System.currentTimeMillis()-start;
1060 System.out.println("\n\n ==> Time needed to create object " + strObjName + " and instrument IoTDeviceAddress: " + result + "\n\n");
1066 serverSocket.close();
1071 * A private method to create controller objects
1075 private void createControllerObjects() throws InterruptedException {
1077 // Create a list of threads
1078 List<Thread> threads = new ArrayList<Thread>();
1079 // Get the list of active controller objects and loop it
1080 List<String> listActiveControllerObject = commHan.getActiveControllerObjectList();
1081 for(String strObjName : listActiveControllerObject) {
1083 ObjectCreationInfo objCrtInfo = commHan.getObjectCreationInfo(strObjName);
1084 Thread objectThread = new Thread(new Runnable() {
1086 synchronized(this) {
1088 createObject(strObjName, objCrtInfo.getObjectClassName(), objCrtInfo.getObjectClassInterfaceName(),
1089 objCrtInfo.getObjectStubClassInterfaceName(), objCrtInfo.getIoTSlaveObjectHostAdd(),
1090 commHan.getFieldObjectID(strObjName), commHan.getArrayFieldValues(strObjName),
1091 commHan.getArrayFieldClasses(strObjName));
1092 } catch (IOException |
1093 ClassNotFoundException |
1094 InterruptedException ex) {
1095 ex.printStackTrace();
1100 threads.add(objectThread);
1101 objectThread.start();
1104 for (Thread thread : threads) {
1107 } catch (InterruptedException ex) {
1108 ex.printStackTrace();
1115 * A private method to instrument IoTSet
1117 * @params Map.Entry<String,Object> Entry of map IoTSet instrumentation
1118 * @params strFieldName String field name
1121 private void instrumentIoTSet(Map.Entry<String,Object> map, String strFieldName)
1122 throws IOException, ClassNotFoundException, InterruptedException {
1124 // Get information from the set
1125 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
1126 objInitHand.addField(strFieldName, IoTCommCode.CREATE_NEW_IOTSET);
1128 int iRows = setInstrumenter.numberOfRows();
1129 for(int iRow=0; iRow<iRows; iRow++) {
1130 // Get field classes and values
1131 arrFieldClasses = setInstrumenter.fieldClasses(iRow);
1132 arrFieldValues = setInstrumenter.fieldValues(iRow);
1133 // Get object ID and class name
1134 String strObjID = setInstrumenter.fieldObjectID(iRow);
1135 strObjClassName = setInstrumenter.fieldEntryType(strObjID);
1136 // Call the method to create an object
1137 instrumentObject(strObjID);
1138 int iNumOfPorts = Integer.parseInt(STR_NUM_CALLBACK_PORTS);
1139 objInitHand.addObjectIntoField(strFieldName, strIoTSlaveObjectHostAdd, strObjName,
1140 strObjClassName, strObjClassInterfaceName, strObjStubClsIntfaceName, commHan.getRMIRegPort(strObjName),
1141 commHan.getRMIStubPort(strObjName), commHan.getCallbackPorts(strObjName, iNumOfPorts));
1147 * A private method to instrument IoTRelation
1149 * @params Map.Entry<String,Object> Entry of map IoTRelation instrumentation
1150 * @params strFieldName String field name
1153 private void instrumentIoTRelation(Map.Entry<String,Object> map, String strFieldName)
1154 throws IOException, ClassNotFoundException, InterruptedException {
1156 // Get information from the set
1157 RelationInstrumenter relationInstrumenter = (RelationInstrumenter) map.getValue();
1158 int iRows = relationInstrumenter.numberOfRows();
1159 objInitHand.addField(strFieldName, IoTCommCode.CREATE_NEW_IOTRELATION);
1161 for(int iRow=0; iRow<iRows; iRow++) {
1162 // Operate on the first set first
1163 arrFieldClasses = relationInstrumenter.firstFieldClasses(iRow);
1164 arrFieldValues = relationInstrumenter.firstFieldValues(iRow);
1165 String strObjID = relationInstrumenter.firstFieldObjectID(iRow);
1166 strObjClassName = relationInstrumenter.firstEntryFieldType(strObjID);
1167 // Call the method to create an object
1168 instrumentObject(strObjID);
1169 // Get the first object controller host address
1170 String strFirstIoTSlaveObjectHostAdd = strIoTSlaveObjectHostAdd;
1171 int iNumOfPorts = Integer.parseInt(STR_NUM_CALLBACK_PORTS);
1172 objInitHand.addObjectIntoField(strFieldName, strIoTSlaveObjectHostAdd, strObjName,
1173 strObjClassName, strObjClassInterfaceName, strObjStubClsIntfaceName,
1174 commHan.getRMIRegPort(strObjName), commHan.getRMIStubPort(strObjName),
1175 commHan.getCallbackPorts(strObjName, iNumOfPorts));
1176 // Operate on the second set
1177 arrFieldClasses = relationInstrumenter.secondFieldClasses(iRow);
1178 arrFieldValues = relationInstrumenter.secondFieldValues(iRow);
1179 strObjID = relationInstrumenter.secondFieldObjectID(iRow);
1180 strObjClassName = relationInstrumenter.secondEntryFieldType(strObjID);
1181 // Call the method to create an object
1182 instrumentObject(strObjID);
1183 // Get the second object controller host address
1184 String strSecondIoTSlaveObjectHostAdd = strIoTSlaveObjectHostAdd;
1185 objInitHand.addSecondObjectIntoField(strFieldName, strIoTSlaveObjectHostAdd, strObjName,
1186 strObjClassName, strObjClassInterfaceName, strObjStubClsIntfaceName,
1187 commHan.getRMIRegPort(strObjName), commHan.getRMIStubPort(strObjName),
1188 commHan.getCallbackPorts(strObjName, iNumOfPorts));
1189 // ROUTING POLICY: first and second controller objects in IoTRelation
1190 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strFirstIoTSlaveObjectHostAdd,
1191 strSecondIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
1192 // ROUTING POLICY: Send the same routing policy to both the hosts
1193 routerConfig.configureHostMainPolicies(strFirstIoTSlaveObjectHostAdd, strFirstIoTSlaveObjectHostAdd,
1194 strSecondIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
1195 routerConfig.configureHostMainPolicies(strSecondIoTSlaveObjectHostAdd, strFirstIoTSlaveObjectHostAdd,
1196 strSecondIoTSlaveObjectHostAdd, STR_TCP_PROTOCOL);
1201 * A method to reinitialize IoTSet and IoTRelation in the code based on ObjectInitHandler information
1203 * @params inStream ObjectInputStream communication
1204 * @params outStream ObjectOutputStream communication
1207 private void initializeSetsAndRelationsJava(InputStream inStream, OutputStream outStream)
1208 throws IOException, ClassNotFoundException {
1209 // Get list of fields
1210 List<String> strFields = objInitHand.getListOfFields();
1211 // Iterate on HostAddress
1212 for(String str : strFields) {
1213 IoTCommCode iotcommMsg = objInitHand.getFieldMessage(str);
1214 if (iotcommMsg == IoTCommCode.CREATE_NEW_IOTSET) {
1215 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO CREATE IOTSET
1216 Message msgCrtIoTSet = new MessageCreateSetRelation(IoTCommCode.CREATE_NEW_IOTSET, str);
1217 commMasterToSlave(msgCrtIoTSet, "Create new IoTSet!", inStream, outStream);
1218 List<ObjectInitInfo> listObject = objInitHand.getListObjectInitInfo(str);
1219 for (ObjectInitInfo objInitInfo : listObject) {
1220 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO FILL IN IOTSET
1221 commMasterToSlave(new MessageGetObject(IoTCommCode.GET_IOTSET_OBJECT, objInitInfo.getIoTSlaveObjectHostAdd(),
1222 objInitInfo.getObjectName(), objInitInfo.getObjectClassName(), objInitInfo.getObjectClassInterfaceName(),
1223 objInitInfo.getObjectStubClassInterfaceName(), objInitInfo.getRMIRegistryPort(), objInitInfo.getRMIStubPort(),
1224 objInitInfo.getRMICallbackPorts()), "Get IoTSet object!", inStream, outStream);
1227 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO REINITIALIZE IOTSET FIELD
1228 commMasterToSlave(new MessageSimple(IoTCommCode.REINITIALIZE_IOTSET_FIELD),
1229 "Renitialize IoTSet field!", inStream, outStream);
1230 } else if (iotcommMsg == IoTCommCode.CREATE_NEW_IOTRELATION) {
1231 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO CREATE IOTRELATION
1232 Message msgCrtIoTRel = new MessageCreateSetRelation(IoTCommCode.CREATE_NEW_IOTRELATION, str);
1233 commMasterToSlave(msgCrtIoTRel, "Create new IoTRelation!", inStream, outStream);
1234 List<ObjectInitInfo> listObject = objInitHand.getListObjectInitInfo(str);
1235 List<ObjectInitInfo> listSecondObject = objInitHand.getSecondObjectInitInfo(str);
1236 Iterator it = listSecondObject.iterator();
1237 for (ObjectInitInfo objInitInfo : listObject) {
1238 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO FILL IN IOTRELATION (FIRST OBJECT)
1239 commMasterToSlave(new MessageGetObject(IoTCommCode.GET_IOTRELATION_FIRST_OBJECT,
1240 objInitInfo.getIoTSlaveObjectHostAdd(), objInitInfo.getObjectName(), objInitInfo.getObjectClassName(),
1241 objInitInfo.getObjectClassInterfaceName(), objInitInfo.getObjectStubClassInterfaceName(),
1242 objInitInfo.getRMIRegistryPort(), objInitInfo.getRMIStubPort(), objInitInfo.getRMICallbackPorts()),
1243 "Get IoTRelation first object!", inStream, outStream);
1244 ObjectInitInfo objSecObj = (ObjectInitInfo) it.next();
1245 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO FILL IN IOTRELATION (SECOND OBJECT)
1246 commMasterToSlave(new MessageGetObject(IoTCommCode.GET_IOTRELATION_SECOND_OBJECT,
1247 objSecObj.getIoTSlaveObjectHostAdd(), objSecObj.getObjectName(), objSecObj.getObjectClassName(),
1248 objSecObj.getObjectClassInterfaceName(), objSecObj.getObjectStubClassInterfaceName(),
1249 objSecObj.getRMIRegistryPort(), objSecObj.getRMIStubPort(), objSecObj.getRMICallbackPorts()),
1250 "Get IoTRelation second object!", inStream, outStream);
1252 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO REINITIALIZE IOTRELATION FIELD
1253 commMasterToSlave(new MessageSimple(IoTCommCode.REINITIALIZE_IOTRELATION_FIELD),
1254 "Renitialize IoTRelation field!", inStream, outStream);
1260 * A method to reinitialize IoTSet and IoTRelation in the code based on ObjectInitHandler information
1262 * @params inStream ObjectInputStream communication
1263 * @params outStream ObjectOutputStream communication
1266 private void initializeSetsAndRelationsCpp(InputStream inStream, OutputStream outStream)
1267 throws IOException, ClassNotFoundException {
1268 // Get list of fields
1269 List<String> strFields = objInitHand.getListOfFields();
1270 // Iterate on HostAddress
1271 for(String str : strFields) {
1272 IoTCommCode iotcommMsg = objInitHand.getFieldMessage(str);
1273 if (iotcommMsg == IoTCommCode.CREATE_NEW_IOTSET) {
1274 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO CREATE IOTSET
1275 createNewIoTSetCpp(str, outStream, inStream);
1276 List<ObjectInitInfo> listObject = objInitHand.getListObjectInitInfo(str);
1277 for (ObjectInitInfo objInitInfo : listObject) {
1278 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO FILL IN IOTSET
1279 getIoTSetRelationObjectCpp(objInitInfo.getIoTSlaveObjectHostAdd(), objInitInfo.getObjectName(),
1280 objInitInfo.getObjectClassName(), objInitInfo.getObjectClassInterfaceName(),
1281 objInitInfo.getObjectStubClassInterfaceName(), objInitInfo.getRMIRegistryPort(), objInitInfo.getRMIStubPort(),
1282 objInitInfo.getRMICallbackPorts(), outStream, inStream);
1284 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO REINITIALIZE IOTSET FIELD
1285 reinitializeIoTSetFieldCpp(outStream, inStream);
1286 } else if (iotcommMsg == IoTCommCode.CREATE_NEW_IOTRELATION) {
1287 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO CREATE IOTRELATION
1288 // TODO: createNewIoTRelation needs to be created here!
1289 createNewIoTRelationCpp(str, outStream, inStream);
1290 List<ObjectInitInfo> listObject = objInitHand.getListObjectInitInfo(str);
1291 List<ObjectInitInfo> listSecondObject = objInitHand.getSecondObjectInitInfo(str);
1292 Iterator it = listSecondObject.iterator();
1293 for (ObjectInitInfo objInitInfo : listObject) {
1294 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO FILL IN IOTRELATION (FIRST OBJECT)
1295 getIoTSetRelationObjectCpp(objInitInfo.getIoTSlaveObjectHostAdd(), objInitInfo.getObjectName(),
1296 objInitInfo.getObjectClassName(), objInitInfo.getObjectClassInterfaceName(),
1297 objInitInfo.getObjectStubClassInterfaceName(), objInitInfo.getRMIRegistryPort(), objInitInfo.getRMIStubPort(),
1298 objInitInfo.getRMICallbackPorts(), outStream, inStream);
1299 ObjectInitInfo objSecObj = (ObjectInitInfo) it.next();
1300 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO FILL IN IOTRELATION (SECOND OBJECT)
1301 getIoTSetRelationObjectCpp(objSecObj.getIoTSlaveObjectHostAdd(), objSecObj.getObjectName(),
1302 objSecObj.getObjectClassName(), objSecObj.getObjectClassInterfaceName(),
1303 objSecObj.getObjectStubClassInterfaceName(), objSecObj.getRMIRegistryPort(), objSecObj.getRMIStubPort(),
1304 objSecObj.getRMICallbackPorts(), outStream, inStream);
1306 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO REINITIALIZE IOTRELATION FIELD
1307 reinitializeIoTRelationFieldCpp(outStream, inStream);
1313 * A method to set router basic policies at once
1315 * @param strRouter String router name
1318 private void setRouterBasicPolicies(String strRouter) {
1320 String strMonitorHost = routerConfig.getIPFromMACAddress(STR_MONITORING_HOST);
1321 routerConfig.configureRouterICMPPolicies(strRouter, strMonitorHost);
1322 routerConfig.configureRouterDHCPPolicies(strRouter);
1323 routerConfig.configureRouterDNSPolicies(strRouter);
1324 routerConfig.configureRouterSSHPolicies(strRouter, strMonitorHost);
1325 routerConfig.configureRejectPolicies(strRouter);
1329 * A method to set host basic policies at once
1331 * @param strHost String host name
1334 private void setHostBasicPolicies(String strHost) {
1336 String strMonitorHost = routerConfig.getIPFromMACAddress(STR_MONITORING_HOST);
1337 routerConfig.configureHostDHCPPolicies(strHost);
1338 routerConfig.configureHostDNSPolicies(strHost);
1339 if (strHost.equals(strMonitorHost)) {
1340 // Check if this is the monitoring host
1341 routerConfig.configureHostICMPPolicies(strHost);
1342 routerConfig.configureHostSSHPolicies(strHost);
1344 routerConfig.configureHostICMPPolicies(strHost, strMonitorHost);
1345 routerConfig.configureHostSSHPolicies(strHost, strMonitorHost);
1347 // Apply SQL allowance policies to master host
1348 if (strHost.equals(strIoTMasterHostAdd)) {
1349 routerConfig.configureHostSQLPolicies(strHost);
1351 routerConfig.configureRejectPolicies(strHost);
1355 * A method to create a thread for policy deployment
1357 * @param strRouterAddress String router address to configure
1358 * @param setHostAddresses Set of strings for host addresses to configure
1361 private void createPolicyThreads(String strRouterAddress, Set<String> setHostAddresses) throws IOException {
1363 // Create a list of threads
1364 List<Thread> threads = new ArrayList<Thread>();
1365 // Start threads for hosts
1366 for(String strAddress : setHostAddresses) {
1367 Thread policyThread = new Thread(new Runnable() {
1369 synchronized(this) {
1370 routerConfig.sendHostPolicies(strAddress);
1374 threads.add(policyThread);
1375 policyThread.start();
1376 RuntimeOutput.print("Deploying policies for: " + strAddress, BOOL_VERBOSE);
1378 // A thread for router
1379 Thread policyThread = new Thread(new Runnable() {
1381 synchronized(this) {
1382 routerConfig.sendRouterPolicies(strRouterAddress);
1386 threads.add(policyThread);
1387 policyThread.start();
1388 RuntimeOutput.print("Deploying policies on router: " + strRouterAddress, BOOL_VERBOSE);
1390 for (Thread thread : threads) {
1393 } catch (InterruptedException ex) {
1394 ex.printStackTrace();
1401 * A method to send files to Java IoTSlave
1403 * @params strObjControllerName String
1404 * @params serverSocket ServerSocket
1405 * @params inStream ObjectInputStream communication
1406 * @params outStream ObjectOutputStream communication
1409 private void sendFileToJavaSlave(String strObjControllerName, ServerSocket serverSocket,
1410 InputStream _inStream, OutputStream _outStream) throws IOException, ClassNotFoundException {
1412 ObjectInputStream inStream = (ObjectInputStream) _inStream;
1413 ObjectOutputStream outStream = (ObjectOutputStream) _outStream;
1415 String strControllerJarName = strObjControllerName + STR_JAR_FILE_EXT;
1416 String strControllerJarNamePath = STR_CONT_PATH + strObjControllerName + "/" +
1417 strControllerJarName;
1418 File file = new File(strControllerJarNamePath);
1419 commMasterToSlave(new MessageSendFile(IoTCommCode.TRANSFER_FILE, strControllerJarName, file.length()),
1420 "Sending file!", inStream, outStream);
1421 // Send file - Class file for object creation
1422 sendFile(serverSocket.accept(), strControllerJarNamePath, file.length());
1423 Message msgReply = (Message) inStream.readObject();
1424 RuntimeOutput.print("IoTMaster: Reply message: " + msgReply.getMessage(), BOOL_VERBOSE);
1425 // Send .zip file if additional zip file is specified
1426 String strObjCfgFile = strObjControllerName + STR_CFG_FILE_EXT;
1427 String strObjCfgFilePath = STR_CONT_PATH + strObjControllerName + "/" + strObjCfgFile;
1428 String strAdditionalFile = parseConfigFile(strObjCfgFilePath, STR_FILE_TRF_CFG);
1429 if (strAdditionalFile.equals(STR_YES)) {
1430 String strControllerCmpName = strObjControllerName + STR_ZIP_FILE_EXT;
1431 String strControllerCmpNamePath = STR_CONT_PATH + strObjControllerName + "/" +
1432 strControllerCmpName;
1433 file = new File(strControllerCmpNamePath);
1434 commMasterToSlave(new MessageSendFile(IoTCommCode.TRANSFER_FILE, strControllerCmpName, file.length()),
1435 "Sending file!", inStream, outStream);
1436 // Send file - Class file for object creation
1437 sendFile(serverSocket.accept(), strControllerCmpNamePath, file.length());
1438 msgReply = (Message) inStream.readObject();
1439 RuntimeOutput.print("IoTMaster: Reply message: " + msgReply.getMessage(), BOOL_VERBOSE);
1445 * A method to send files to C++ IoTSlave
1448 * TODO: Need to look into this (as of now, file transferred retains the "data" format,
1449 * hence it is unreadable from outside world
1451 private void sendFileToCppSlave(String sFilePath, String sFileName, Socket fileSocket,
1452 InputStream inStream, OutputStream outStream) throws IOException {
1454 sendCommCode(IoTCommCode.TRANSFER_FILE, outStream, inStream);
1456 sendString(sFileName, outStream); recvAck(inStream);
1457 File file = new File(sFilePath + sFileName);
1458 int iFileLen = toIntExact(file.length());
1459 RuntimeOutput.print("IoTSlave: Sending file " + sFileName + " with length " + iFileLen + " bytes...", BOOL_VERBOSE);
1461 sendInteger(iFileLen, outStream); recvAck(inStream);
1462 RuntimeOutput.print("IoTSlave: Sent file size!", BOOL_VERBOSE);
1463 byte[] bytFile = new byte[iFileLen];
1464 InputStream inFileStream = new FileInputStream(file);
1465 RuntimeOutput.print("IoTSlave: Opened file!", BOOL_VERBOSE);
1467 OutputStream outFileStream = fileSocket.getOutputStream();
1468 RuntimeOutput.print("IoTSlave: Got output stream!", BOOL_VERBOSE);
1470 while ((iCount = inFileStream.read(bytFile)) > 0) {
1471 outFileStream.write(bytFile, 0, iCount);
1473 RuntimeOutput.print("IoTSlave: File sent!", BOOL_VERBOSE);
1479 * A method to send files to C++ IoTSlave (now master using Process() to start
1480 * file transfer using scp)
1484 private void sendFileToCppSlave(String sFilePath, String sFileName) throws IOException {
1486 // Construct shell command to transfer file
1487 String sFile = sFilePath + sFileName;
1488 String strCmdSend = STR_SCP + " " + sFile + " " + STR_USERNAME + strIoTSlaveControllerHostAdd + ":" + STR_SLAVE_DIR;
1489 runCommand(strCmdSend);
1490 RuntimeOutput.print("IoTMaster: Executing: " + strCmdSend, BOOL_VERBOSE);
1492 String strCmdUnzip = STR_SSH + " " + STR_USERNAME + strIoTSlaveControllerHostAdd + " cd " +
1493 STR_SLAVE_DIR + " sudo unzip " + sFileName + ";";
1494 runCommand(strCmdUnzip);
1495 RuntimeOutput.print("IoTMaster: Executing: " + strCmdUnzip, BOOL_VERBOSE);
1500 * runCommand() method runs shell command
1502 * @param strCommand String that contains command line
1505 private void runCommand(String strCommand) {
1508 Runtime runtime = Runtime.getRuntime();
1509 Process process = runtime.exec(strCommand);
1511 } catch (IOException ex) {
1512 System.out.println("RouterConfig: IOException: " + ex.getMessage());
1513 ex.printStackTrace();
1514 } catch (InterruptedException ex) {
1515 System.out.println("RouterConfig: InterruptException: " + ex.getMessage());
1516 ex.printStackTrace();
1522 * Construct command line for Java IoTSlave
1526 private String getCmdJavaIoTSlave(String strObjControllerName) {
1528 return STR_SSH + " " + STR_USERNAME + strIoTSlaveControllerHostAdd + " cd " +
1529 STR_RUNTIME_DIR + " sudo java " + STR_JVM_INIT_HEAP_SIZE + " " +
1530 STR_JVM_MAX_HEAP_SIZE + " " + STR_CLS_PATH + " " +
1531 STR_RMI_PATH + " " + STR_IOT_SLAVE_CLS + " " + strIoTMasterHostAdd + " " +
1532 commHan.getComPort(strObjControllerName) + " " +
1533 commHan.getRMIRegPort(strObjControllerName) + " " +
1534 commHan.getRMIStubPort(strObjControllerName) + " >& " +
1535 STR_LOG_FILE_PATH + strObjControllerName + ".log &";
1540 * Construct command line for C++ IoTSlave
1544 private String getCmdCppIoTSlave(String strObjControllerName) {
1546 return STR_SSH + " " + STR_USERNAME + strIoTSlaveControllerHostAdd + " cd " +
1547 STR_SLAVE_DIR + " sudo " + STR_IOTSLAVE_CPP + " " + strIoTMasterHostAdd + " " +
1548 commHan.getComPort(strObjControllerName) + " " + strObjControllerName;
1553 * sendInteger() sends an integer in bytes
1555 public void sendInteger(int intSend, OutputStream outStream) throws IOException {
1557 BufferedOutputStream output = (BufferedOutputStream) outStream;
1558 // Transform integer into bytes
1559 ByteBuffer bb = ByteBuffer.allocate(INT_SIZE);
1561 // Send the byte array
1562 output.write(bb.array(), 0, INT_SIZE);
1568 * recvInteger() receives integer in bytes
1570 public int recvInteger(InputStream inStream) throws IOException {
1572 BufferedInputStream input = (BufferedInputStream) inStream;
1573 // Wait until input is available
1574 while(input.available() == 0);
1575 // Read integer - 4 bytes
1576 byte[] recvInt = new byte[INT_SIZE];
1577 input.read(recvInt, 0, INT_SIZE);
1578 int retVal = ByteBuffer.wrap(recvInt).getInt();
1585 * recvString() receives String in bytes
1587 public String recvString(InputStream inStream) throws IOException {
1589 BufferedInputStream input = (BufferedInputStream) inStream;
1590 int strLen = recvInteger(inStream);
1591 // Wait until input is available
1592 while(input.available() == 0);
1593 // Read String per strLen
1594 byte[] recvStr = new byte[strLen];
1595 input.read(recvStr, 0, strLen);
1596 String retVal = new String(recvStr);
1603 * sendString() sends a String in bytes
1605 public void sendString(String strSend, OutputStream outStream) throws IOException {
1607 BufferedOutputStream output = (BufferedOutputStream) outStream;
1608 // Transform String into bytes
1609 byte[] strSendBytes = strSend.getBytes();
1610 int strLen = strSend.length();
1611 // Send the string length first
1612 sendInteger(strLen, outStream);
1613 // Send the byte array
1614 output.write(strSendBytes, 0, strLen);
1620 * Convert integer to enum
1622 public IoTCommCode getCode(int intCode) throws IOException {
1624 IoTCommCode[] commCode = IoTCommCode.values();
1625 IoTCommCode retCode = commCode[intCode];
1634 public boolean recvAck(InputStream inStream) throws IOException {
1636 int intAck = recvInteger(inStream);
1637 IoTCommCode codeAck = getCode(intAck);
1638 if (codeAck == IoTCommCode.ACKNOWLEDGED)
1648 public void sendEndTransfer(OutputStream outStream) throws IOException {
1650 int endCode = IoTCommCode.END_TRANSFER.ordinal();
1651 sendInteger(endCode, outStream);
1656 * Send communication code to C++
1658 public void sendCommCode(IoTCommCode inpCommCode, OutputStream outStream, InputStream inStream) throws IOException {
1661 IoTCommCode commCode = inpCommCode;
1662 int intCode = commCode.ordinal();
1663 // TODO: delete this later
1664 System.out.println("DEBUG: Sending " + commCode + " with ordinal: " + intCode);
1665 sendInteger(intCode, outStream); recvAck(inStream);
1670 * Create a main controller object for C++
1672 public void createMainObjectCpp(String strObjControllerName, OutputStream outStream, InputStream inStream) throws IOException {
1674 sendCommCode(IoTCommCode.CREATE_MAIN_OBJECT, outStream, inStream);
1675 String strMainObjName = strObjControllerName;
1676 sendString(strMainObjName, outStream); recvAck(inStream);
1677 RuntimeOutput.print("IoTSlave: Create a main object: " + strMainObjName, BOOL_VERBOSE);
1682 * A helper function that converts Class into String
1684 * @param strDataType String MySQL data type
1687 public String getClassConverted(Class<?> cls) {
1689 if (cls == String.class) {
1691 } else if (cls == int.class) {
1700 * A helper function that converts Object into String for transfer to C++ slave
1702 * @param obj Object to be converted
1703 * @param strClassType String Java Class type
1706 public String getObjectConverted(Object obj) {
1708 if (obj instanceof String) {
1709 return (String) obj;
1710 } else if (obj instanceof Integer) {
1711 return Integer.toString((Integer) obj);
1719 * Create a driver object for C++
1721 public void createObjectCpp(String strObjName, String strObjClassName, String strObjClassInterfaceName, String strIoTSlaveObjectHostAdd,
1722 Integer iRMIRegistryPort, Integer iRMIStubPort, Object[] arrFieldValues, Class[] arrFieldClasses,
1723 OutputStream outStream, InputStream inStream) throws IOException {
1725 sendCommCode(IoTCommCode.CREATE_OBJECT, outStream, inStream);
1726 RuntimeOutput.print("IoTSlave: Send request to create a driver object... ", BOOL_VERBOSE);
1727 RuntimeOutput.print("IoTSlave: Driver object name: " + strObjName, BOOL_VERBOSE);
1728 sendString(strObjName, outStream); recvAck(inStream);
1729 RuntimeOutput.print("IoTSlave: Driver object class name: " + strObjClassName, BOOL_VERBOSE);
1730 sendString(strObjClassName, outStream); recvAck(inStream);
1731 RuntimeOutput.print("IoTSlave: Driver object interface name: " + strObjClassInterfaceName, BOOL_VERBOSE);
1732 sendString(strObjStubClsIntfaceName, outStream); recvAck(inStream);
1733 RuntimeOutput.print("IoTSlave: Driver object skeleton class name: " + strObjClassInterfaceName + STR_SKEL_CLASS_SUFFIX, BOOL_VERBOSE);
1734 sendString(strObjClassInterfaceName + STR_SKEL_CLASS_SUFFIX, outStream); recvAck(inStream);
1735 RuntimeOutput.print("IoTSlave: Driver object registry port: " + iRMIRegistryPort, BOOL_VERBOSE);
1736 sendInteger(iRMIRegistryPort, outStream); recvAck(inStream);
1737 RuntimeOutput.print("IoTSlave: Driver object stub port: " + iRMIStubPort, BOOL_VERBOSE);
1738 sendInteger(iRMIStubPort, outStream); recvAck(inStream);
1739 int numOfArgs = arrFieldValues.length;
1740 RuntimeOutput.print("IoTSlave: Send constructor arguments! Number of arguments: " + numOfArgs, BOOL_VERBOSE);
1741 sendInteger(numOfArgs, outStream); recvAck(inStream);
1742 for(Object obj : arrFieldValues) {
1743 String str = getObjectConverted(obj);
1744 sendString(str, outStream); recvAck(inStream);
1746 RuntimeOutput.print("IoTSlave: Send constructor argument classes!", BOOL_VERBOSE);
1747 for(Class cls : arrFieldClasses) {
1748 String str = getClassConverted(cls);
1749 sendString(str, outStream); recvAck(inStream);
1755 * Create new IoTSet for C++
1757 public void createNewIoTSetCpp(String strObjFieldName, OutputStream outStream, InputStream inStream) throws IOException {
1759 sendCommCode(IoTCommCode.CREATE_NEW_IOTSET, outStream, inStream);
1760 RuntimeOutput.print("IoTSlave: Creating new IoTSet...", BOOL_VERBOSE);
1761 RuntimeOutput.print("IoTSlave: Send object field name: " + strObjFieldName, BOOL_VERBOSE);
1762 sendString(strObjFieldName, outStream); recvAck(inStream);
1767 * Create new IoTRelation for C++
1769 public void createNewIoTRelationCpp(String strObjFieldName, OutputStream outStream, InputStream inStream) throws IOException {
1771 sendCommCode(IoTCommCode.CREATE_NEW_IOTRELATION, outStream, inStream);
1772 RuntimeOutput.print("IoTSlave: Creating new IoTRelation...", BOOL_VERBOSE);
1773 RuntimeOutput.print("IoTSlave: Send object field name: " + strObjFieldName, BOOL_VERBOSE);
1774 sendString(strObjFieldName, outStream); recvAck(inStream);
1779 * Get a IoTDeviceAddress object for C++
1781 public void getDeviceIoTSetObjectCpp(OutputStream outStream, InputStream inStream,
1782 String strDeviceAddress, int iSourcePort, int iDestPort, boolean bSourceWildCard, boolean bDestWildCard) throws IOException {
1784 sendCommCode(IoTCommCode.GET_DEVICE_IOTSET_OBJECT, outStream, inStream);
1785 RuntimeOutput.print("IoTSlave: Getting IoTDeviceAddress...", BOOL_VERBOSE);
1786 sendString(strDeviceAddress, outStream); recvAck(inStream);
1787 sendInteger(iSourcePort, outStream); recvAck(inStream);
1788 sendInteger(iDestPort, outStream); recvAck(inStream);
1789 int iSourceWildCard = (bSourceWildCard ? 1 : 0);
1790 sendInteger(iSourceWildCard, outStream); recvAck(inStream);
1791 int iDestWildCard = (bDestWildCard ? 1 : 0);
1792 sendInteger(iDestWildCard, outStream); recvAck(inStream);
1793 RuntimeOutput.print("IoTSlave: Send device address: " + strDeviceAddress, BOOL_VERBOSE);
1798 * Get a IoTSet content object for C++
1800 public void getIoTSetRelationObjectCpp(String strIoTSlaveHostAddress, String strObjectName, String strObjectClassName,
1801 String strObjectClassInterfaceName, String strObjectStubClassInterfaceName, int iRMIRegistryPort, int iRMIStubPort,
1802 Integer[] iCallbackPorts, OutputStream outStream, InputStream inStream) throws IOException {
1804 sendCommCode(IoTCommCode.GET_IOTSET_OBJECT, outStream, inStream);
1805 RuntimeOutput.print("IoTSlave: Getting IoTSet object content...", BOOL_VERBOSE);
1807 RuntimeOutput.print("IoTSlave: Send host address: " + strIoTSlaveHostAddress, BOOL_VERBOSE);
1808 sendString(strIoTSlaveHostAddress, outStream); recvAck(inStream);
1809 RuntimeOutput.print("IoTSlave: Driver object name: " + strObjectName, BOOL_VERBOSE);
1810 sendString(strObjectName, outStream); recvAck(inStream);
1811 RuntimeOutput.print("IoTSlave: Driver object class name: " + strObjectClassName, BOOL_VERBOSE);
1812 sendString(strObjectClassName, outStream); recvAck(inStream);
1813 RuntimeOutput.print("IoTSlave: Driver object interface name: " + strObjectClassInterfaceName, BOOL_VERBOSE);
1814 sendString(strObjectClassInterfaceName, outStream); recvAck(inStream);
1815 RuntimeOutput.print("IoTSlave: Driver object stub class name: " + strObjectStubClassInterfaceName + STR_STUB_CLASS_SUFFIX, BOOL_VERBOSE);
1816 sendString(strObjectStubClassInterfaceName + STR_STUB_CLASS_SUFFIX, outStream); recvAck(inStream);
1817 RuntimeOutput.print("IoTSlave: Driver object registry port: " + iRMIRegistryPort, BOOL_VERBOSE);
1818 sendInteger(iRMIRegistryPort, outStream); recvAck(inStream);
1819 RuntimeOutput.print("IoTSlave: Driver object stub port: " + iRMIStubPort, BOOL_VERBOSE);
1820 sendInteger(iRMIStubPort, outStream); recvAck(inStream);
1821 sendInteger(iCallbackPorts.length, outStream); recvAck(inStream);
1822 for(Integer i : iCallbackPorts) {
1823 sendInteger(i, outStream); recvAck(inStream);
1829 * Reinitialize IoTRelation field for C++
1831 private void reinitializeIoTRelationFieldCpp(OutputStream outStream, InputStream inStream) throws IOException {
1833 RuntimeOutput.print("IoTSlave: About to Reinitialize IoTRelation field!", BOOL_VERBOSE);
1834 sendCommCode(IoTCommCode.REINITIALIZE_IOTRELATION_FIELD, outStream, inStream);
1835 RuntimeOutput.print("IoTSlave: Reinitialize IoTRelation field!", BOOL_VERBOSE);
1840 * Reinitialize IoTSet field for C++
1842 private void reinitializeIoTSetFieldCpp(OutputStream outStream, InputStream inStream) throws IOException {
1844 RuntimeOutput.print("IoTSlave: About to Reinitialize IoTSet field!", BOOL_VERBOSE);
1845 sendCommCode(IoTCommCode.REINITIALIZE_IOTSET_FIELD, outStream, inStream);
1846 RuntimeOutput.print("IoTSlave: Reinitialize IoTSet field!", BOOL_VERBOSE);
1851 * Invoke init() for C++
1853 private void invokeInitMethodCpp(OutputStream outStream, InputStream inStream) throws IOException {
1855 sendCommCode(IoTCommCode.INVOKE_INIT_METHOD, outStream, inStream);
1856 RuntimeOutput.print("IoTSlave: Invoke init method!", BOOL_VERBOSE);
1861 * End session for C++
1863 public void endSessionCpp(OutputStream outStream) throws IOException {
1865 // Send message to end session
1866 IoTCommCode endSessionCode = IoTCommCode.END_SESSION;
1867 int intCode = endSessionCode.ordinal();
1868 sendInteger(intCode, outStream);
1869 //RuntimeOutput.print("IoTSlave: Send request to create a main object: " + strObjName, BOOL_VERBOSE);
1870 RuntimeOutput.print("IoTSlave: Send request to end session!", BOOL_VERBOSE);
1875 * A method to assign objects to multiple JVMs, including
1876 * the controller/device object that uses other objects
1877 * in IoTSet and IoTRelation
1881 private void createObjects() {
1888 // Extract hostname for this IoTMaster from MySQL DB
1889 strIoTMasterHostAdd = routerConfig.getIPFromMACAddress(STR_MASTER_MAC_ADD);
1890 // Loop as we can still find controller/device classes
1891 for(int i=0; i<strObjectNames.length; i++) {
1893 start = System.currentTimeMillis();
1895 // Assign a new list of PrintWriter objects
1896 routerConfig.renewPrintWriter();
1897 // Get controller names one by one
1898 String strObjControllerName = strObjectNames[i];
1899 // Use LoadBalancer to assign a host address
1900 //strIoTSlaveControllerHostAdd = lbIoT.selectHost();
1901 strIoTSlaveControllerHostAdd = routerConfig.getIPFromMACAddress(lbIoT.selectHost());
1902 if (strIoTSlaveControllerHostAdd == null)
1903 throw new Error("IoTMaster: Could not translate MAC to IP address! Please check the router's /tmp/dhcp.leases!");
1904 // == START INITIALIZING CONTROLLER/DEVICE IOTSLAVE ==
1905 // Add port connection and get port numbers
1906 // Naming for objects ProximitySensor becomes ProximitySensor0, ProximitySensor1, etc.
1907 commHan.addPortConnection(strIoTSlaveControllerHostAdd, strObjControllerName);
1908 // ROUTING POLICY: IoTMaster and main controller object
1909 routerConfig.configureRouterMainPolicies(STR_ROUTER_ADD, strIoTMasterHostAdd,
1910 strIoTSlaveControllerHostAdd, STR_TCP_PROTOCOL, commHan.getComPort(strObjControllerName));
1911 // ROUTING POLICY: Send the same routing policy to both the hosts
1912 routerConfig.configureHostMainPolicies(strIoTMasterHostAdd, strIoTMasterHostAdd,
1913 strIoTSlaveControllerHostAdd, STR_TCP_PROTOCOL, commHan.getComPort(strObjControllerName));
1914 routerConfig.configureHostMainPolicies(strIoTSlaveControllerHostAdd, strIoTMasterHostAdd,
1915 strIoTSlaveControllerHostAdd, STR_TCP_PROTOCOL, commHan.getComPort(strObjControllerName));
1917 // Construct ssh command line and create a controller thread for e.g. AcmeProximity
1918 String strSSHCommand = null;
1919 if(STR_LANGUAGE.equals(STR_JAVA))
1920 strSSHCommand = getCmdJavaIoTSlave(strObjControllerName);
1921 else if(STR_LANGUAGE.equals(STR_CPP))
1922 strSSHCommand = getCmdCppIoTSlave(strObjControllerName);
1924 throw new Error("IoTMaster: Language specification not recognized: " + STR_LANGUAGE);
1925 RuntimeOutput.print(strSSHCommand, BOOL_VERBOSE);
1926 createThread(strSSHCommand);
1927 // Wait for connection
1928 // Create a new socket for communication
1929 ServerSocket serverSocket = new ServerSocket(commHan.getComPort(strObjControllerName));
1930 Socket socket = serverSocket.accept();
1931 InputStream inStream = null;
1932 OutputStream outStream = null;
1933 if(STR_LANGUAGE.equals(STR_JAVA)) {
1934 inStream = new ObjectInputStream(socket.getInputStream());
1935 outStream = new ObjectOutputStream(socket.getOutputStream());
1936 } else { // At this point the language is certainly C++, otherwise would've complained above
1937 inStream = new BufferedInputStream(socket.getInputStream());
1938 outStream = new BufferedOutputStream(socket.getOutputStream());
1941 RuntimeOutput.print("IoTMaster: Communication established!", BOOL_VERBOSE);
1944 result = System.currentTimeMillis()-start;
1945 System.out.println("\n\n ==> From start until after SSH for main controller: " + result);
1947 start = System.currentTimeMillis();
1949 // Send files for every controller class
1950 // e.g. AcmeProximity.jar and AcmeProximity.zip
1951 String strControllerClassName = strObjControllerName + STR_CLS_FILE_EXT;
1952 String strControllerClassNamePath = STR_CONT_PATH + strObjControllerName + "/" +
1953 strControllerClassName;
1955 if(STR_LANGUAGE.equals(STR_JAVA)) {
1956 sendFileToJavaSlave(strObjControllerName, serverSocket, inStream, outStream);
1957 // Create main controller/device object
1958 commMasterToSlave(new MessageCreateMainObject(IoTCommCode.CREATE_MAIN_OBJECT, strObjControllerName),
1959 "Create main object!", inStream, outStream);
1961 String strControllerZipFile = strObjControllerName + STR_ZIP_FILE_EXT;
1962 String strControllerFilePath = STR_CONT_PATH + strObjControllerName + "/";
1963 sendFileToCppSlave(strControllerFilePath, strControllerZipFile);
1964 createMainObjectCpp(strObjControllerName, outStream, inStream);
1968 result = System.currentTimeMillis()-start;
1969 System.out.println("\n\n ==> From IoTSlave start until main controller object is created: " + result);
1970 System.out.println(" ==> Including file transfer times!\n\n");
1972 start = System.currentTimeMillis();
1974 // == END INITIALIZING CONTROLLER/DEVICE IOTSLAVE ==
1975 // Instrumenting one file
1976 RuntimeOutput.print("IoTMaster: Opening class file: " + strControllerClassName, BOOL_VERBOSE);
1977 RuntimeOutput.print("IoTMaster: Class file path: " + strControllerClassNamePath, BOOL_VERBOSE);
1978 HashMap<String,Object> hmControllerFieldObjects = null;
1979 if(STR_LANGUAGE.equals(STR_JAVA)) {
1980 FileInputStream fis = new FileInputStream(strControllerClassNamePath);
1981 ClassReader cr = new ClassReader(fis);
1982 ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
1983 ClassRuntimeInstrumenterMaster crim = new ClassRuntimeInstrumenterMaster(cw, null, BOOL_VERBOSE);
1986 hmControllerFieldObjects = crim.getFieldObjects();
1988 String strControllerConfigFile = STR_CONT_PATH + strObjControllerName + "/" + strObjControllerName + STR_CFG_FILE_EXT;
1989 CRuntimeInstrumenterMaster crim = new CRuntimeInstrumenterMaster(strControllerConfigFile, null, BOOL_VERBOSE);
1990 hmControllerFieldObjects = crim.getFieldObjects();
1992 // Get the object and the class names
1993 // Build objects for IoTSet and IoTRelation fields in the controller/device classes
1994 //HashMap<String,Object> hmControllerFieldObjects = crim.getFieldObjects();
1995 for(Map.Entry<String,Object> map : hmControllerFieldObjects.entrySet()) {
1996 RuntimeOutput.print("IoTMaster: Object name: " + map.getValue().getClass().getName(), BOOL_VERBOSE);
1997 // Iterate over HashMap and choose between processing
1998 // SetInstrumenter vs. RelationInstrumenter
1999 String strFieldName = map.getKey();
2000 String strClassName = map.getValue().getClass().getName();
2001 if(strClassName.equals(STR_SET_INSTRUMENTER_CLS)) {
2002 SetInstrumenter setInstrumenter = (SetInstrumenter) map.getValue();
2003 if(setInstrumenter.getObjTableName().equals(STR_IOT_DEV_ADD_CLS)) {
2004 String strErrMsg = "IoTMaster: Controller object" +
2005 " cannot have IoTSet<IoTDeviceAddress>!";
2006 throw new Error(strErrMsg);
2007 } else if(setInstrumenter.getObjTableName().equals(STR_IOT_ZB_ADD_CLS)) {
2008 String strErrMsg = "IoTMaster: Controller object" +
2009 " cannot have IoTSet<ZigbeeAddress>!";
2010 throw new Error(strErrMsg);
2011 } else if(setInstrumenter.getObjTableName().equals(STR_IOT_ADD_CLS)) {
2012 // Instrument the IoTAddress
2013 setRouterPolicyIoTSetAddress(strFieldName, map, strIoTSlaveControllerHostAdd);
2014 instrumentIoTSetAddress(strFieldName, strFieldName, inStream, outStream);
2017 instrumentIoTSet(map, strFieldName);
2019 } else if (strClassName.equals(STR_REL_INSTRUMENTER_CLS)) {
2020 instrumentIoTRelation(map, strFieldName);
2024 result = System.currentTimeMillis()-start;
2025 System.out.println("\n\n ==> Time needed to instrument device driver objects: " + result + "\n\n");
2026 System.out.println(" ==> #Objects: " + commHan.getActiveControllerObjectList().size() + "\n\n");
2029 start = System.currentTimeMillis();
2031 // ROUTING POLICY: Deploy basic policies if this is the last controller
2032 if (i == strObjectNames.length-1) {
2033 // ROUTING POLICY: implement basic policies to reject all other irrelevant traffics
2034 for(String s: commHan.getHosts()) {
2035 setHostBasicPolicies(s);
2037 // We retain all the basic policies for router,
2038 // but we delete the initial allowance policies for internal all TCP and UDP communications
2039 setRouterBasicPolicies(STR_ROUTER_ADD);
2041 // Close access to policy files and deploy policies
2042 routerConfig.close();
2043 // Deploy the policy
2044 HashSet<String> setAddresses = new HashSet<String>(commHan.getHosts());
2045 setAddresses.add(strIoTMasterHostAdd);
2046 createPolicyThreads(STR_ROUTER_ADD, setAddresses);
2049 result = System.currentTimeMillis()-start;
2050 System.out.println("\n\n ==> Time needed to send policy files and deploy them : " + result + "\n\n");
2053 start = System.currentTimeMillis();
2055 // Separating object creations and Set/Relation initializations
2056 createControllerObjects();
2059 result = System.currentTimeMillis()-start;
2060 System.out.println("\n\n ==> Time needed to instantiate objects: " + result + "\n\n");
2062 start = System.currentTimeMillis();
2064 // Sets and relations initializations
2065 if(STR_LANGUAGE.equals(STR_JAVA))
2066 initializeSetsAndRelationsJava(inStream, outStream);
2068 initializeSetsAndRelationsCpp(inStream, outStream);;
2071 result = System.currentTimeMillis()-start;
2072 System.out.println("\n\n ==> Time needed to initialize sets and relations: " + result + "\n\n");
2074 if(STR_LANGUAGE.equals(STR_JAVA))
2075 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO EXECUTE INIT METHOD
2076 commMasterToSlave(new MessageSimple(IoTCommCode.INVOKE_INIT_METHOD), "Invoke init() method!", inStream, outStream);
2078 invokeInitMethodCpp(outStream, inStream);
2079 // == COMMUNICATION WITH IOTSLAVE CONTROLLER TO END PROCESS
2080 if(STR_LANGUAGE.equals(STR_JAVA)) {
2081 ObjectOutputStream oStream = (ObjectOutputStream) outStream;
2082 oStream.writeObject(new MessageSimple(IoTCommCode.END_SESSION));
2083 } else // C++ side will wait until the program finishes, it's not generating a separate thread for now
2084 //endSessionCpp(outStream);
2088 serverSocket.close();
2089 commHan.printLists();
2090 lbIoT.printHostInfo();
2093 } catch (IOException |
2094 InterruptedException |
2095 ClassNotFoundException ex) {
2096 System.out.println("IoTMaster: Exception: "
2098 ex.printStackTrace();
2102 public static void main(String args[]) {
2104 // Detect the available controller/device classes
2105 // Input args[] should be used to list the controllers/devices
2106 // e.g. java IoTMaster AcmeProximity AcmeThermostat AcmeVentController
2107 IoTMaster iotMaster = new IoTMaster(args);
2109 iotMaster.parseIoTMasterConfigFile();
2110 // Initialize CommunicationHandler, LoadBalancer, and RouterConfig
2111 iotMaster.initLiveDataStructure();
2113 iotMaster.createObjects();