iotjava/iotrmi/Java/sample/TestClass_Stub.java

   1 package iotrmi.Java.sample;
   2
   3 import java.io.IOException;
   4 import iotrmi.Java.IoTRMICall;
   5 import iotruntime.master.CommunicationHandler;
   6
   7 import java.util.Arrays;
   8 import java.util.List;
   9 import java.util.ArrayList;
  10
  11 import iotrmi.Java.IoTRMIObject;
  12
  13 public class TestClass_Stub implements TestClassInterface {
  14
  15         /**
  16          * Class Properties
  17          */
  18         private IoTRMICall rmiCall;
  19         private IoTRMIObject rmiObj;
  20         private String address;
  21         private int[] ports;
  22
  23         /**
  24          * Class Constants
  25          */
  26         private int objectId = 0;       // Default value is 0
  27         // This is permission system for callback objects
  28         private static Integer[] object0Permission = { 0, 1 };  // object0 is the callback object
  29         private List<Integer> set0Allowed;
  30
  31         /**
  32          * Properties and constants for Callbacks!
  33          */
  34         private List<CallBackInterface> listCBObj;
  35         private final static int NUM_CB_OBJ = 1;
  36         private static int objIdCnt = 0; // Counter for callback object Ids
  37
  38
  39         /**
  40          * Constructors
  41          */
  42         public TestClass_Stub(int _port, String _address, int _rev, int[] _ports) throws Exception {
  43
  44                 address = _address;
  45                 ports = _ports;
  46                 rmiCall = new IoTRMICall(_port, _address, _rev);
  47
  48                 set0Allowed = Arrays.asList(object0Permission);
  49
  50                 // Only for callbacks!!!
  51                 listCBObj = new ArrayList<CallBackInterface>();
  52                 ___initCallBack();
  53         }
  54
  55
  56         /**
  57          * Instantiation of callback objects
  58          */
  59         public static int numCallbackObjects() {
  60
  61                 return NUM_CB_OBJ;      // Generated by the IoTCompiler
  62         }
  63
  64
  65         // Initialize callback
  66         public void ___initCallBack() {
  67
  68                 Thread thread = new Thread() {
  69                         public void run() {
  70                         try{
  71                                         rmiObj = new IoTRMIObject(ports[0]);
  72                                         while (true) {
  73                                                 byte[] method = rmiObj.getMethodBytes();
  74                                                 // Permission checking
  75                                                 int methId = IoTRMIObject.getMethodId(method);
  76                                                 if (!set0Allowed.contains(methId))
  77                                                         throw new Error("CallBack_CBSkeleton: This object is not allowed to access method " + methId);
  78
  79                                                 int objId = IoTRMIObject.getObjectId(method);
  80                                                 CallBack_CBSkeleton skel = (CallBack_CBSkeleton) listCBObj.get(objId);
  81                                                 if (skel != null) {
  82                                                         //rmiObj.setMethodBytes(method);
  83                                                         skel.invokeMethod(rmiObj);
  84                                                 }
  85                                         }
  86                                 } catch (Exception ex){
  87                                         ex.printStackTrace();
  88                                         throw new Error("Error instantiating class CallBack_Skeleton!");
  89                         }
  90                     }
  91                 };
  92                 thread.start();
  93
  94                 //String sign = "registercallback";     // can be any string
  95                 int methodId = 9;
  96                 Class<?> retType = void.class;
  97                 // port, address, rev
  98                 Class<?>[] paramCls = new Class<?>[] { int.class, String.class, int.class };
  99                 Object[] paramObj = new Object[] { ports[0], address, 0 };
 100                 rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);
 101         }
 102
 103
 104         // Single callback handling
 105         public void registerCallback(CallBackInterface _cb) {
 106
 107                 /*Thread thread = new Thread() {
 108                         public void run() {
 109                     try{
 110                                         CallBack_Skeleton cbskel = new CallBack_Skeleton(_cb, ports[0]);
 111                                 } catch (Exception ex){
 112                                         ex.printStackTrace();
 113                                         throw new Error("Error instantiating class CallBack_Skeleton!");
 114                     }
 115                 }
 116             };
 117                 thread.start();
 118
 119                 String sign = "voidregisterCallBack(CallBackInterface)";
 120                 Class<?> retType = void.class;
 121                 // port, address, and rev
 122                 Class<?>[] paramCls = new Class<?>[] { int.class, String.class, int.class };
 123                 Object[] paramObj = new Object[] { ports[0], address, 0 };
 124                 rmiCall.remoteCall(objectId, sign, retType, null, null, paramCls, paramObj);*/
 125         }
 126
 127
 128         public void registerCallback(CallBackInterface[] _cb) {
 129
 130                 try {
 131                         //for (int objId = 0; objId < _cb.length; objId++) {
 132                         for (CallBackInterface cb : _cb) {
 133                                 CallBack_CBSkeleton skel = new CallBack_CBSkeleton(cb, objIdCnt++);
 134                                 listCBObj.add(skel);
 135                         }
 136                 } catch (Exception ex){
 137                         ex.printStackTrace();
 138                         throw new Error("Class not found / instantiation / illegal access / IO error!");
 139                 }
 140
 141                 //String sign = "voidregisterCallBack(CallBackInterface[])";
 142                 int methodId = 8;
 143                 Class<?> retType = void.class;
 144                 // port, address, rev, and number of objects
 145                 Class<?>[] paramCls = new Class<?>[] { int.class };
 146                 Object[] paramObj = new Object[] { _cb.length };
 147                 //rmiCall.remoteCall(objectId, sign, retType, null, null, paramCls, paramObj);
 148                 rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);
 149         }
 150
 151
 152         public void setA(int _int) {
 153
 154                 //String sign = "voidsetA(int)";
 155                 int methodId = 0;
 156                 Class<?> retType = void.class;
 157                 Class<?>[] paramCls = new Class<?>[] { int.class };
 158                 Object[] paramObj = new Object[] { _int };
 159                 rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);
 160         }
 161
 162
 163         public void setB(float _float) {
 164
 165                 int methodId = 1;
 166                 Class<?> retType = void.class;
 167                 Class<?>[] paramCls = new Class<?>[] { float.class };
 168                 Object[] paramObj = new Object[] { _float };
 169                 rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);
 170         }
 171
 172
 173         public void setC(String _string) {
 174
 175                 int methodId = 2;
 176                 Class<?> retType = void.class;
 177                 Class<?>[] paramCls = new Class<?>[] { String.class };
 178                 Object[] paramObj = new Object[] { _string };
 179                 rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);
 180         }
 181
 182
 183         // Getters
 184         public String sumArray(String[] newA) {
 185
 186                 int methodId = 3;
 187                 Class<?> retType = String.class;
 188                 Class<?>[] paramCls = new Class<?>[] { String[].class };
 189                 Object[] paramObj = new Object[] { newA };
 190                 Object retObj = rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);
 191                 return (String)retObj;
 192         }
 193
 194
 195         public int setAndGetA(int newA) {
 196                 int methodId = 4;
 197                 Class<?> retType = int.class;
 198                 Class<?>[] paramCls = new Class<?>[] { int.class };
 199                 Object[] paramObj = new Object[] { newA };
 200                 Object retObj = rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);
 201                 return (int)retObj;
 202         }
 203
 204
 205         public int setACAndGetA(String newC, int newA) {
 206
 207                 int methodId = 5;
 208                 Class<?> retType = int.class;
 209                 Class<?>[] paramCls = new Class<?>[] { String.class, int.class };
 210                 Object[] paramObj = new Object[] { newC, newA };
 211                 Object retObj = rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);
 212                 return (int)retObj;
 213         }
 214
 215
 216         public int callBack() {
 217
 218                 int methodId = 6;
 219                 Class<?> retType = int.class;
 220                 Class<?>[] paramCls = new Class<?>[] { };
 221                 Object[] paramObj = new Object[] { };
 222                 Object retObj = rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);
 223                 return (int)retObj;
 224
 225         }
 226
 227
 228         public StructJ[] handleStruct(StructJ[] data) {
 229
 230                 int methodId = 11;
 231                 Class<?> retType = void.class;
 232                 Class<?>[] paramCls = new Class<?>[] { int.class };
 233                 Object[] paramObj = new Object[] { data.length };
 234                 rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);
 235
 236                 int methodId2 = 10;
 237                 Class<?> retType2 = int.class;  // return type is integer if it is a struct!!!
 238                 // Calculate the size of the array
 239                 Class<?>[] paramCls2 = new Class<?>[3*data.length];
 240                 Object[] paramObj2 = new Object[3*data.length];
 241                 // Handle with for loop
 242                 int pos = 0;
 243                 for(int i = 0; i < data.length; i++) {
 244                         paramCls2[pos] = String.class;
 245                         paramObj2[pos++] = data[i].name;
 246                         paramCls2[pos] = float.class;
 247                         paramObj2[pos++] = data[i].value;
 248                         paramCls2[pos] = int.class;
 249                         paramObj2[pos++] = data[i].year;
 250                 }
 251                 //System.out.println(Arrays.toString(paramObj2));
 252                 Object retObj = rmiCall.remoteCall(objectId, methodId2, retType2, null, paramCls2, paramObj2);
 253                 // RETURN STRUCT
 254                 // Get the length of the struct first
 255                 int structsize1 = (int) retObj;
 256                 // Construct the struct
 257                 Class<?>[] retCls = new Class<?>[3*structsize1];
 258                 Class<?>[] retClsVal = new Class<?>[3*structsize1];
 259                 pos = 0;
 260                 for(int i=0; i < structsize1; i++) {
 261                         retCls[pos] = String.class;
 262                         retClsVal[pos++] = null;
 263                         retCls[pos] = float.class;
 264                         retClsVal[pos++] = null;
 265                         retCls[pos] = int.class;
 266                         retClsVal[pos++] = null;
 267                 }
 268                 Object[] retObj2 = rmiCall.getStructObjects(retCls,
 269                         retClsVal);
 270                 StructJ[] dataRet = new StructJ[structsize1];
 271                 for (int i=0; i < structsize1; i++) {
 272                         dataRet[i] = new StructJ();
 273                 }
 274                 pos = 0;
 275                 for(int i=0; i < structsize1; i++) {
 276                         dataRet[i].name = (String) retObj2[pos++];
 277                         dataRet[i].value = (float) retObj2[pos++];
 278                         dataRet[i].year = (int) retObj2[pos++];
 279                 }
 280
 281                 return dataRet;
 282         }
 283
 284
 285         public EnumJ[] handleEnum(EnumJ[] en) {
 286
 287                 int methodId = 12;
 288                 Class<?> retType = int[].class;
 289                 // Handle with for loop
 290                 int paramInt[] = new int[en.length];
 291                 for(int i = 0; i < en.length; i++) {
 292                         paramInt[i] = en[i].ordinal();
 293                 }
 294
 295                 Class<?>[] paramCls = new Class<?>[] { int[].class };
 296                 Object[] paramObj = new Object[] { paramInt };
 297
 298                 // if no return value just
 299                 // rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);
 300                 // This is with return value:
 301                 Object retObj =
 302                         rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);
 303                 int[] retEnumInt = (int[]) retObj;
 304                 int enumsize1 = retEnumInt.length;
 305                 // Encoder/decoder
 306                 EnumJ[] enumJ = EnumJ.values();
 307                 EnumJ[] enRetVal = new EnumJ[enumsize1];
 308                 for(int i = 0; i < enumsize1; i++) {
 309                         enRetVal[i] = enumJ[retEnumInt[i]];
 310                 }
 311                 return enRetVal;
 312         }
 313
 314
 315         public static void main(String[] args) throws Exception {
 316
 317                 CommunicationHandler comHan = new CommunicationHandler(true);
 318                 int numOfPorts = TestClass_Stub.numCallbackObjects();
 319                 int[] ports = comHan.getCallbackPorts(numOfPorts);
 320
 321                 int port = 5010;
 322                 String address = "localhost";
 323                 int rev = 0;
 324
 325                 System.out.println("Allocated ports: " + Arrays.toString(ports));
 326
 327                 TestClass_Stub tcstub = new TestClass_Stub(port, address, rev, ports);
 328                 System.out.println("Return value: " + tcstub.setAndGetA(123));
 329                 System.out.println("Return value: " + tcstub.setACAndGetA("string", 123));
 330                 System.out.println("Return value: " + tcstub.sumArray(new String[] { "123", "456", "987" }));
 331
 332                 /*CallBackInterface cb1 = new CallBack(23);
 333                 CallBackInterface cb2 = new CallBack(33);
 334                 CallBackInterface cb3 = new CallBack(43);
 335                 CallBackInterface[] cb = { cb1, cb2, cb3 };
 336                 tcstub.registerCallback(cb);
 337                 System.out.println("Return value from callback: " + tcstub.callBack());
 338                 CallBackInterface cb4 = new CallBack(10);
 339                 CallBackInterface cb5 = new CallBack(11);
 340                 CallBackInterface cb6 = new CallBack(12);
 341                 CallBackInterface[] cbt = { cb4, cb5, cb6 };
 342                 tcstub.registerCallback(cbt);
 343                 System.out.println("Return value from callback: " + tcstub.callBack());*/
 344
 345                 StructJ[] data = new StructJ[2];
 346                 for (int i=0; i<2; i++) {
 347                         data[i] = new StructJ();
 348                 }
 349                 data[0].name = "Rahmadi";
 350                 data[0].value = 0.123f;
 351                 data[0].year = 2016;
 352                 //data[1].name = "Trimananda";
 353                 //data[1].value = 0.223f;
 354                 //data[1].year = 2017;
 355
 356                 for (StructJ str : data) {
 357                         System.out.println("Name: " + str.name);
 358                         System.out.println("Value: " + str.value);
 359                         System.out.println("Year: " + str.year);
 360                 }
 361                 StructJ[] strj = tcstub.handleStruct(data);
 362                 for (StructJ str : strj) {
 363                         System.out.println("Name: " + str.name);
 364                         System.out.println("Value: " + str.value);
 365                         System.out.println("Year: " + str.year);
 366                 }
 367
 368
 369                 EnumJ[] en = { EnumJ.APPLE, EnumJ.ORANGE, EnumJ.APPLE, EnumJ.GRAPE };
 370                 EnumJ[] res = tcstub.handleEnum(en);
 371                 System.out.println("Enum members: " + Arrays.toString(res));
 372         }
 373 }
 374
 375