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 String address;
  20         private int[] ports;
  21         private List<CallBackInterface> listCBObj;
  22         private IoTRMIObject rmiObj;
  23
  24         /**
  25          * Class Constants
  26          */
  27         private final static int NUM_CB_OBJ = 1;
  28         private int objectId = 0;       // Default value is 0
  29         private static int objIdCnt = 0; // Counter for callback object Ids
  30         private final static String[] methodSignatures = {
  31
  32                 "voidsetA(int)",
  33                 "voidsetB(float)",
  34                 "voidsetC(string)",
  35                 "sumArray(string[])",
  36                 "intsetAndGetA(int)",
  37                 "intsetACAndGetA(string,int)",
  38                 "intcallBack()",
  39                 "voidregisterCallBack(CallBackInterface)",
  40                 "voidregisterCallBack(CallBackInterface[])",
  41                 "registercallback",
  42                 "handleStruct(StructJ[])",
  43                 "structsize"
  44         };
  45
  46         /**
  47          * Constructors
  48          */
  49         public TestClass_Stub(int _port, String _address, int _rev, int[] _ports) throws Exception {
  50
  51                 address = _address;
  52                 ports = _ports;
  53                 rmiCall = new IoTRMICall(_port, _address, _rev, methodSignatures);
  54                 listCBObj = new ArrayList<CallBackInterface>();
  55                 init_CallBack();
  56         }
  57
  58
  59         /**
  60          * Instantiation of callback objects
  61          */
  62         public static int numCallbackObjects() {
  63
  64                 return NUM_CB_OBJ;      // Generated by the IoTCompiler
  65         }
  66
  67
  68         // Return method signatures
  69         public static String[] getMethodSignatures() {
  70
  71                 return methodSignatures;
  72         }
  73
  74
  75         // Initialize callback
  76         public void init_CallBack() {
  77
  78                 Thread thread = new Thread() {
  79                         public void run() {
  80                         try{
  81                                         String[] methodSignatures = CallBack_CBSkeleton.getMethodSignatures();
  82                                         rmiObj = new IoTRMIObject(ports[0], methodSignatures);
  83                                         Object retObj = null;
  84                                         while (true) {
  85                                                 byte[] method = rmiObj.getMethodBytes();
  86                                                 int objId = IoTRMIObject.getObjectId(method);
  87                                                 CallBack_CBSkeleton skel = (CallBack_CBSkeleton) listCBObj.get(objId);
  88                                                 if (skel != null) {
  89                                                         rmiObj.setMethodBytes(method);
  90                                                         retObj = skel.invokeMethod(rmiObj);
  91                                                 }
  92                                                 if (retObj != null) {
  93                                                         rmiObj.sendReturnObj(retObj);
  94                                                 }
  95                                         }
  96                                 } catch (Exception ex){
  97                                         ex.printStackTrace();
  98                                         throw new Error("Error instantiating class CallBack_Skeleton!");
  99                         }
 100                     }
 101                 };
 102                 thread.start();
 103
 104                 String sign = "registercallback";       // can be any string
 105                 Class<?> retType = void.class;
 106                 // port, address, rev
 107                 Class<?>[] paramCls = new Class<?>[] { int.class, String.class, int.class };
 108                 Object[] paramObj = new Object[] { ports[0], address, 0 };
 109                 rmiCall.remoteCall(objectId, sign, retType, null, null, paramCls, paramObj);
 110         }
 111
 112
 113         // Single callback handling
 114         public void registerCallback(CallBackInterface _cb) {
 115
 116                 Thread thread = new Thread() {
 117                         public void run() {
 118                     try{
 119                                         CallBack_Skeleton cbskel = new CallBack_Skeleton(_cb, ports[0]);
 120                                         cbskel.waitRequestInvokeMethod();
 121                                 } catch (Exception ex){
 122                                         ex.printStackTrace();
 123                                         throw new Error("Error instantiating class CallBack_Skeleton!");
 124                     }
 125                 }
 126             };
 127                 thread.start();
 128
 129                 String sign = "voidregisterCallBack(CallBackInterface)";
 130                 Class<?> retType = void.class;
 131                 // port, address, and rev
 132                 Class<?>[] paramCls = new Class<?>[] { int.class, String.class, int.class };
 133                 Object[] paramObj = new Object[] { ports[0], address, 0 };
 134                 rmiCall.remoteCall(objectId, sign, retType, null, null, paramCls, paramObj);
 135         }
 136
 137
 138         public void registerCallback(CallBackInterface[] _cb) {
 139
 140                 try {
 141                         //for (int objId = 0; objId < _cb.length; objId++) {
 142                         for (CallBackInterface cb : _cb) {
 143                                 CallBack_CBSkeleton skel = new CallBack_CBSkeleton(cb, objIdCnt++);
 144                                 listCBObj.add(skel);
 145                         }
 146                 } catch (Exception ex){
 147                         ex.printStackTrace();
 148                         throw new Error("Class not found / instantiation / illegal access / IO error!");
 149                 }
 150
 151                 String sign = "voidregisterCallBack(CallBackInterface[])";
 152                 Class<?> retType = void.class;
 153                 // port, address, rev, and number of objects
 154                 Class<?>[] paramCls = new Class<?>[] { int.class };
 155                 Object[] paramObj = new Object[] { _cb.length };
 156                 rmiCall.remoteCall(objectId, sign, retType, null, null, paramCls, paramObj);
 157         }
 158
 159
 160         public void setA(int _int) {
 161
 162                 String sign = "voidsetA(int)";
 163                 Class<?> retType = void.class;
 164                 Class<?>[] paramCls = new Class<?>[] { int.class };
 165                 Object[] paramObj = new Object[] { _int };
 166                 rmiCall.remoteCall(objectId, sign, retType, null, null, paramCls, paramObj);
 167         }
 168
 169
 170         public void setB(float _float) {
 171
 172                 String sign = "voidsetB(float)";
 173                 Class<?> retType = void.class;
 174                 Class<?>[] paramCls = new Class<?>[] { float.class };
 175                 Object[] paramObj = new Object[] { _float };
 176                 rmiCall.remoteCall(objectId, sign, retType, null, null, paramCls, paramObj);
 177         }
 178
 179
 180         public void setC(String _string) {
 181
 182                 String sign = "voidsetC(string)";
 183                 Class<?> retType = void.class;
 184                 Class<?>[] paramCls = new Class<?>[] { String.class };
 185                 Object[] paramObj = new Object[] { _string };
 186                 rmiCall.remoteCall(objectId, sign, retType, null, null, paramCls, paramObj);
 187         }
 188
 189
 190         // Getters
 191         public String sumArray(String[] newA) {
 192
 193                 String sign = "sumArray(string[])";
 194                 Class<?> retType = String.class;
 195                 Class<?>[] paramCls = new Class<?>[] { String[].class };
 196                 Object[] paramObj = new Object[] { newA };
 197                 Object retObj = rmiCall.remoteCall(objectId, sign, retType, null, null, paramCls, paramObj);
 198                 return (String)retObj;
 199         }
 200
 201
 202         public int setAndGetA(int newA) {
 203                 String sign = "intsetAndGetA(int)";
 204                 Class<?> retType = int.class;
 205                 Class<?>[] paramCls = new Class<?>[] { int.class };
 206                 Object[] paramObj = new Object[] { newA };
 207                 Object retObj = rmiCall.remoteCall(objectId, sign, retType, null, null, paramCls, paramObj);
 208                 return (int)retObj;
 209         }
 210
 211
 212         public int setACAndGetA(String newC, int newA) {
 213
 214                 String sign = "intsetACAndGetA(string,int)";
 215                 Class<?> retType = int.class;
 216                 Class<?>[] paramCls = new Class<?>[] { String.class, int.class };
 217                 Object[] paramObj = new Object[] { newC, newA };
 218                 Object retObj = rmiCall.remoteCall(objectId, sign, retType, null, null, paramCls, paramObj);
 219                 return (int)retObj;
 220         }
 221
 222
 223         public int callBack() {
 224
 225                 String sign = "intcallBack()";
 226                 Class<?> retType = int.class;
 227                 Class<?>[] paramCls = new Class<?>[] { };
 228                 Object[] paramObj = new Object[] { };
 229                 Object retObj = rmiCall.remoteCall(objectId, sign, retType, null, null, paramCls, paramObj);
 230                 return (int)retObj;
 231
 232         }
 233
 234
 235         public void handleStruct(StructJ[] data) {
 236
 237                 String sign = "structsize";
 238                 Class<?> retType = void.class;
 239                 Class<?>[] paramCls = new Class<?>[] { int.class };
 240                 Object[] paramObj = new Object[] { data.length };
 241                 rmiCall.remoteCall(objectId, sign, retType, null, null, paramCls, paramObj);
 242
 243                 String sign2 = "handleStruct(StructJ[])";
 244                 Class<?> retType2 = void.class;
 245                 // Calculate the size of the array
 246                 Class<?>[] paramCls2 = new Class<?>[3*data.length];
 247                 Object[] paramObj2 = new Object[3*data.length];
 248                 // Handle with for loop
 249                 int pos = 0;
 250                 for(int i = 0; i < data.length; i++) {
 251                         paramCls2[pos] = String.class;
 252                         paramObj2[pos++] = data[i].name;
 253                         paramCls2[pos] = float.class;
 254                         paramObj2[pos++] = data[i].value;
 255                         paramCls2[pos] = int.class;
 256                         paramObj2[pos++] = data[i].year;
 257                 }
 258                 System.out.println(Arrays.toString(paramObj2));
 259                 rmiCall.remoteCall(objectId, sign2, retType2, null, null, paramCls2, paramObj2);
 260         }
 261
 262
 263         public static void main(String[] args) throws Exception {
 264
 265                 CommunicationHandler comHan = new CommunicationHandler(true);
 266                 int numOfPorts = TestClass_Stub.numCallbackObjects();
 267                 int[] ports = comHan.getCallbackPorts(numOfPorts);
 268
 269                 int port = 5010;
 270                 String address = "localhost";
 271                 int rev = 0;
 272
 273                 System.out.println("Allocated ports: " + Arrays.toString(ports));
 274
 275                 TestClass_Stub tcstub = new TestClass_Stub(port, address, rev, ports);
 276                 System.out.println("Return value: " + tcstub.setAndGetA(123));
 277                 System.out.println("Return value: " + tcstub.setACAndGetA("string", 123));
 278                 System.out.println("Return value: " + tcstub.sumArray(new String[] { "123", "456", "987" }));
 279
 280                 /*CallBackInterface cb1 = new CallBack(23);
 281                 CallBackInterface cb2 = new CallBack(33);
 282                 CallBackInterface cb3 = new CallBack(43);
 283                 CallBackInterface[] cb = { cb1, cb2, cb3 };
 284                 tcstub.registerCallback(cb);
 285                 System.out.println("Return value from callback: " + tcstub.callBack());
 286                 CallBackInterface cb4 = new CallBack(10);
 287                 CallBackInterface cb5 = new CallBack(11);
 288                 CallBackInterface cb6 = new CallBack(12);
 289                 CallBackInterface[] cbt = { cb4, cb5, cb6 };
 290                 tcstub.registerCallback(cbt);
 291                 System.out.println("Return value from callback: " + tcstub.callBack());*/
 292
 293                 StructJ[] data = new StructJ[2];
 294                 for (int i=0; i<2; i++) {
 295                         data[i] = new StructJ();
 296                 }
 297                 data[0].name = "Rahmadi";
 298                 data[0].value = 0.123f;
 299                 data[0].year = 2016;
 300                 //data[1].name = "Trimananda";
 301                 //data[1].value = 0.223f;
 302                 //data[1].year = 2017;
 303
 304                 for (StructJ str : data) {
 305                         System.out.println("Name: " + str.name);
 306                         System.out.println("Value: " + str.value);
 307                         System.out.println("Year: " + str.year);
 308                 }
 309
 310                 tcstub.handleStruct(data);
 311         }
 312 }
 313
 314