X-Git-Url: http://plrg.eecs.uci.edu/git/?p=iot2.git;a=blobdiff_plain;f=iotjava%2Fiotpolicy%2FIoTCompiler.java;h=0f696bec03967f6d72355335e4c41cdaaa68d1fb;hp=9c6a16aad378302e185fecc20240f6fa0d3d8039;hb=aeebaa13676fe92404f364e5f747766a9c2c4e6c;hpb=7c4edd552766ca89566cf033bc2320483204c625 diff --git a/iotjava/iotpolicy/IoTCompiler.java b/iotjava/iotpolicy/IoTCompiler.java index 9c6a16a..0f696be 100644 --- a/iotjava/iotpolicy/IoTCompiler.java +++ b/iotjava/iotpolicy/IoTCompiler.java @@ -59,6 +59,7 @@ public class IoTCompiler { private String dir; private String subdir; + /** * Class constants */ @@ -68,9 +69,12 @@ public class IoTCompiler { PRIMITIVES, // All the primitive types, e.g. byte, short, int, long, etc. NONPRIMITIVES, // Non-primitive types, e.g. Set, Map, List, etc. - USERDEFINED // Non-supported type by default; assumed as driver classes + ENUM, // Enum type + STRUCT, // Struct type + USERDEFINED // Assumed as driver classes } + /** * Class constructors */ @@ -102,7 +106,6 @@ public class IoTCompiler { * data structures. * Additionally, the data structure handles are * returned from tree-parsing for further process. - * */ public void setDataStructures(String origInt, ParseNode pnPol, ParseNode pnReq) { @@ -181,7 +184,7 @@ public class IoTCompiler { /** - * HELPER: writeMethodJavaLocalInterface() writes the method of the interface + * HELPER: writeMethodJavaLocalInterface() writes the method of the local interface */ private void writeMethodJavaLocalInterface(Collection methods, InterfaceDecl intDecl) { @@ -194,7 +197,7 @@ public class IoTCompiler { for (int i = 0; i < methParams.size(); i++) { // Check for params with driver class types and exchange it // with its remote interface - String paramType = checkAndGetParamClass(methPrmTypes.get(i), false); + String paramType = checkAndGetParamClass(methPrmTypes.get(i)); print(paramType + " " + methParams.get(i)); // Check if this is the last element (don't print a comma) if (i != methParams.size() - 1) { @@ -233,50 +236,72 @@ public class IoTCompiler { /** - * HELPER: writeEnumJava() writes the enumeration declaration + * HELPER: generateEnumJava() writes the enumeration declaration */ - private void writeEnumJava(EnumDecl enumDecl) { - - Set enumTypes = enumDecl.getEnumDeclarations(); - // Iterate over enum declarations - for (String enType : enumTypes) { - - println("public enum " + enType + " {"); - List enumMembers = enumDecl.getMembers(enType); - for (int i = 0; i < enumMembers.size(); i++) { + private void generateEnumJava() throws IOException { - String member = enumMembers.get(i); - print(member); - // Check if this is the last element (don't print a comma) - if (i != enumMembers.size() - 1) - println(","); - else - println(""); + // Create a new directory + createDirectory(dir); + for (String intface : mapIntfacePTH.keySet()) { + // Get the right EnumDecl + DeclarationHandler decHandler = mapIntDeclHand.get(intface); + EnumDecl enumDecl = (EnumDecl) decHandler.getEnumDecl(intface); + Set enumTypes = enumDecl.getEnumDeclarations(); + // Iterate over enum declarations + for (String enType : enumTypes) { + // Open a new file to write into + FileWriter fw = new FileWriter(dir + "/" + enType + ".java"); + pw = new PrintWriter(new BufferedWriter(fw)); + println("public enum " + enType + " {"); + List enumMembers = enumDecl.getMembers(enType); + for (int i = 0; i < enumMembers.size(); i++) { + + String member = enumMembers.get(i); + print(member); + // Check if this is the last element (don't print a comma) + if (i != enumMembers.size() - 1) + println(","); + else + println(""); + } + println("}\n"); + pw.close(); + System.out.println("IoTCompiler: Generated enum class " + enType + ".java..."); } - println("}\n"); } } /** - * HELPER: writeStructJava() writes the struct declaration + * HELPER: generateStructJava() writes the struct declaration */ - private void writeStructJava(StructDecl structDecl) { + private void generateStructJava() throws IOException { - List structTypes = structDecl.getStructTypes(); - // Iterate over enum declarations - for (String stType : structTypes) { - - println("public class " + stType + " {"); - List structMemberTypes = structDecl.getMemberTypes(stType); - List structMembers = structDecl.getMembers(stType); - for (int i = 0; i < structMembers.size(); i++) { - - String memberType = structMemberTypes.get(i); - String member = structMembers.get(i); - println("public static " + memberType + " " + member + ";"); + // Create a new directory + createDirectory(dir); + for (String intface : mapIntfacePTH.keySet()) { + // Get the right StructDecl + DeclarationHandler decHandler = mapIntDeclHand.get(intface); + StructDecl structDecl = (StructDecl) decHandler.getStructDecl(intface); + List structTypes = structDecl.getStructTypes(); + // Iterate over enum declarations + for (String stType : structTypes) { + // Open a new file to write into + FileWriter fw = new FileWriter(dir + "/" + stType + ".java"); + pw = new PrintWriter(new BufferedWriter(fw)); + println("public class " + stType + " {"); + List structMemberTypes = structDecl.getMemberTypes(stType); + List structMembers = structDecl.getMembers(stType); + for (int i = 0; i < structMembers.size(); i++) { + + String memberType = structMemberTypes.get(i); + String member = structMembers.get(i); + println("public static " + memberType + " " + member + ";"); + } + println("}\n"); + pw.close(); + System.out.println("IoTCompiler: Generated struct class " + stType + ".java..."); } - println("}\n"); } } @@ -302,16 +327,12 @@ public class IoTCompiler { InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface); List methods = intDecl.getMethods(); Set importClasses = getImportClasses(methods, intDecl); - printImportStatements(importClasses); + List stdImportClasses = getStandardJavaIntfaceImportClasses(); + List allImportClasses = getAllLibClasses(stdImportClasses, importClasses); + printImportStatements(allImportClasses); // Write interface header println(""); println("public interface " + intface + " {"); - // Write enum if any... - EnumDecl enumDecl = (EnumDecl) decHandler.getEnumDecl(intface); - writeEnumJava(enumDecl); - // Write struct if any... - StructDecl structDecl = (StructDecl) decHandler.getStructDecl(intface); - writeStructJava(structDecl); // Write methods writeMethodJavaLocalInterface(methods, intDecl); println("}"); @@ -340,13 +361,16 @@ public class IoTCompiler { DeclarationHandler decHandler = mapIntDeclHand.get(intface); InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface); // Pass in set of methods and get import classes - Set importClasses = getImportClasses(intMeth.getValue(), intDecl); - printImportStatements(importClasses); + Set methods = intMeth.getValue(); + Set importClasses = getImportClasses(methods, intDecl); + List stdImportClasses = getStandardJavaIntfaceImportClasses(); + List allImportClasses = getAllLibClasses(stdImportClasses, importClasses); + printImportStatements(allImportClasses); // Write interface header println(""); println("public interface " + newIntface + " {\n"); // Write methods - writeMethodJavaInterface(intMeth.getValue(), intDecl); + writeMethodJavaInterface(methods, intDecl); println("}"); pw.close(); System.out.println("IoTCompiler: Generated interface " + newIntface + ".java..."); @@ -355,13 +379,42 @@ public class IoTCompiler { } + /** + * HELPER: writePropertiesJavaPermission() writes the permission in properties + */ + private void writePropertiesJavaPermission(String intface, InterfaceDecl intDecl) { + + Map> mapNewIntMethods = mapInt2NewInts.get(intface); + for (Map.Entry> intMeth : mapNewIntMethods.entrySet()) { + String newIntface = intMeth.getKey(); + int newObjectId = getNewIntfaceObjectId(newIntface); + println("private final static int object" + newObjectId + "Id = " + + newObjectId + ";\t//" + newIntface); + Set methodIds = intMeth.getValue(); + print("private static Integer[] object" + newObjectId + "Permission = { "); + int i = 0; + for (String methodId : methodIds) { + int methodNumId = intDecl.getMethodNumId(methodId); + print(Integer.toString(methodNumId)); + // Check if this is the last element (don't print a comma) + if (i != methodIds.size() - 1) { + print(", "); + } + i++; + } + println(" };"); + println("private static List set" + newObjectId + "Allowed;"); + } + } + + /** * HELPER: writePropertiesJavaStub() writes the properties of the stub class */ private void writePropertiesJavaStub(String intface, String newIntface, boolean callbackExist, Set callbackClasses) { println("private IoTRMICall rmiCall;"); - println("private String address;"); + println("private String callbackAddress;"); println("private int[] ports;\n"); // Get the object Id Integer objId = mapIntfaceObjId.get(intface); @@ -376,23 +429,42 @@ public class IoTCompiler { println("private IoTRMIObject rmiObj;"); println("List<" + callbackType + "> listCallbackObj;"); println("private static int objIdCnt = 0;"); + // Generate permission stuff for callback stubs + DeclarationHandler decHandler = mapIntDeclHand.get(callbackType); + InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(callbackType); + writePropertiesJavaPermission(callbackType, intDecl); } println("\n"); } + /** + * HELPER: writeConstructorJavaPermission() writes the permission in constructor + */ + private void writeConstructorJavaPermission(String intface) { + + Map> mapNewIntMethods = mapInt2NewInts.get(intface); + for (Map.Entry> intMeth : mapNewIntMethods.entrySet()) { + String newIntface = intMeth.getKey(); + int newObjectId = getNewIntfaceObjectId(newIntface); + println("set" + newObjectId + "Allowed = new ArrayList(Arrays.asList(object" + newObjectId +"Permission));"); + } + } + + /** * HELPER: writeConstructorJavaStub() writes the constructor of the stub class */ - private void writeConstructorJavaStub(String intface, boolean callbackExist, Set callbackClasses) { + private void writeConstructorJavaStub(String intface, String newStubClass, boolean callbackExist, Set callbackClasses) { - println("public " + intface + "(int _port, String _address, int _rev, int[] _ports) throws Exception {"); - println("address = _address;"); + println("public " + newStubClass + "(int _port, String _skeletonAddress, String _callbackAddress, int _rev, int[] _ports) throws Exception {"); + println("callbackAddress = _callbackAddress;"); println("ports = _ports;"); - println("rmiCall = new IoTRMICall(_port, _address, _rev);"); + println("rmiCall = new IoTRMICall(_port, _skeletonAddress, _rev);"); if (callbackExist) { Iterator it = callbackClasses.iterator(); String callbackType = (String) it.next(); + writeConstructorJavaPermission(intface); println("listCallbackObj = new ArrayList<" + callbackType + ">();"); println("___initCallBack();"); } @@ -401,7 +473,43 @@ public class IoTCompiler { /** - * HELPER: writeConstructorJavaStub() writes the constructor of the stub class + * HELPER: writeJavaMethodCallbackPermission() writes permission checks in stub for callbacks + */ + private void writeJavaMethodCallbackPermission(String intface) { + + println("int methodId = IoTRMIObject.getMethodId(method);"); + // Get all the different stubs + Map> mapNewIntMethods = mapInt2NewInts.get(intface); + for (Map.Entry> intMeth : mapNewIntMethods.entrySet()) { + String newIntface = intMeth.getKey(); + int newObjectId = getNewIntfaceObjectId(newIntface); + println("if (!set" + newObjectId + "Allowed.contains(methodId)) {"); + println("throw new Error(\"Callback object for " + intface + " is not allowed to access method: \" + methodId);"); + println("}"); + } + } + + + /** + * HELPER: writeJavaInitCallbackPermission() writes the permission for callback + */ + private void writeJavaInitCallbackPermission(String intface, InterfaceDecl intDecl, boolean callbackExist) { + + if (callbackExist) { + String method = "___initCallBack()"; + int methodNumId = intDecl.getHelperMethodNumId(method); + Map> mapNewIntMethods = mapInt2NewInts.get(intface); + for (Map.Entry> intMeth : mapNewIntMethods.entrySet()) { + String newIntface = intMeth.getKey(); + int newObjectId = getNewIntfaceObjectId(newIntface); + println("set" + newObjectId + "Allowed.add(" + methodNumId + ");"); + } + } + } + + + /** + * HELPER: writeInitCallbackJavaStub() writes callback initialization in stub */ private void writeInitCallbackJavaStub(String intface, InterfaceDecl intDecl) { @@ -413,15 +521,18 @@ public class IoTCompiler { println("rmiObj = new IoTRMIObject(ports[0]);"); println("while (true) {"); println("byte[] method = rmiObj.getMethodBytes();"); + writeJavaMethodCallbackPermission(intface); println("int objId = IoTRMIObject.getObjectId(method);"); println(intface + "_CallbackSkeleton skel = (" + intface + "_CallbackSkeleton) listCallbackObj.get(objId);"); println("if (skel != null) {"); println("skel.invokeMethod(rmiObj);"); - println("} else {"); + print("}"); + println(" else {"); println("throw new Error(\"" + intface + ": Object with Id \" + objId + \" not found!\");"); println("}"); println("}"); - println("} catch (Exception ex) {"); + print("}"); + println(" catch (Exception ex) {"); println("ex.printStackTrace();"); println("throw new Error(\"Error instantiating class " + intface + "_CallbackSkeleton!\");"); println("}"); @@ -430,225 +541,534 @@ public class IoTCompiler { println("thread.start();\n"); // Generate info sending part String method = "___initCallBack()"; - println("int methodId = " + intDecl.getHelperMethodNumId(method) + ";"); + int methodNumId = intDecl.getHelperMethodNumId(method); + println("int methodId = " + methodNumId + ";"); println("Class retType = void.class;"); println("Class[] paramCls = new Class[] { int.class, String.class, int.class };"); - println("Object[] paramObj = new Object[] { ports[0], address, 0 };"); + println("Object[] paramObj = new Object[] { ports[0], callbackAddress, 0 };"); println("rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);"); println("}\n"); } /** - * HELPER: writeStdMethodBodyJavaStub() writes the standard method body in the stub class + * HELPER: checkAndWriteEnumTypeJavaStub() writes the enum type (convert from enum to int) */ - private void writeStdMethodBodyJavaStub(InterfaceDecl intDecl, List methParams, - List methPrmTypes, String method) { + private void checkAndWriteEnumTypeJavaStub(List methParams, List methPrmTypes) { - println("int methodId = " + intDecl.getMethodNumId(method) + ";"); - String retType = intDecl.getMethodType(method); - println("Class retType = " + getSimpleType(retType) + ".class;"); - // Generate array of parameter types - print("Class[] paramCls = new Class[] { "); + // Iterate and find enum declarations for (int i = 0; i < methParams.size(); i++) { - String paramType = checkAndGetArray(methPrmTypes.get(i), methParams.get(i)); - print(getSimpleType(paramType) + ".class"); - // Check if this is the last element (don't print a comma) - if (i != methParams.size() - 1) { - print(", "); + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isEnumClass(simpleType)) { + // Check if this is enum type + if (isArray(param)) { // An array + println("int len" + i + " = " + getSimpleIdentifier(param) + ".length;"); + println("int paramEnum" + i + "[] = new int[len" + i + "];"); + println("for (int i = 0; i < len" + i + "; i++) {"); + println("paramEnum" + i + "[i] = " + getSimpleIdentifier(param) + "[i].ordinal();"); + println("}"); + } else if (isList(paramType)) { // A list + println("int len" + i + " = " + getSimpleIdentifier(param) + ".size();"); + println("int paramEnum" + i + "[] = new int[len" + i + "];"); + println("for (int i = 0; i < len" + i + "; i++) {"); + println("paramEnum" + i + "[i] = " + getSimpleIdentifier(param) + ".get(i).ordinal();"); + println("}"); + } else { // Just one element + println("int paramEnum" + i + "[] = new int[1];"); + println("paramEnum" + i + "[0] = " + param + ".ordinal();"); + } } } - println(" };"); - // Generate array of parameter objects - print("Object[] paramObj = new Object[] { "); - for (int i = 0; i < methParams.size(); i++) { - print(getSimpleIdentifier(methParams.get(i))); - // Check if this is the last element (don't print a comma) - if (i != methParams.size() - 1) { - print(", "); + } + + + /** + * HELPER: checkAndWriteEnumRetTypeJavaStub() writes the enum return type (convert from enum to int) + */ + private void checkAndWriteEnumRetTypeJavaStub(String retType) { + + // Strips off array "[]" for return type + String pureType = getSimpleArrayType(getGenericType(retType)); + // Take the inner type of generic + if (getParamCategory(retType) == ParamCategory.NONPRIMITIVES) + pureType = getGenericType(retType); + if (isEnumClass(pureType)) { + // Check if this is enum type + // Enum decoder + println("int[] retEnum = (int[]) retObj;"); + println(pureType + "[] enumVals = " + pureType + ".values();"); + if (isArray(retType)) { // An array + println("int retLen = retEnum.length;"); + println(pureType + "[] enumRetVal = new " + pureType + "[retLen];"); + println("for (int i = 0; i < retLen; i++) {"); + println("enumRetVal[i] = enumVals[retEnum[i]];"); + println("}"); + } else if (isList(retType)) { // A list + println("int retLen = retEnum.length;"); + println("List<" + pureType + "> enumRetVal = new ArrayList<" + pureType + ">();"); + println("for (int i = 0; i < retLen; i++) {"); + println("enumRetVal.add(enumVals[retEnum[i]]);"); + println("}"); + } else { // Just one element + println(pureType + " enumRetVal = enumVals[retEnum[0]];"); } + println("return enumRetVal;"); } - println(" };"); - // Check if this is "void" - if (retType.equals("void")) { - println("rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);"); - } else { // We do have a return value - // Check if the return value NONPRIMITIVES - if (getParamCategory(retType) == ParamCategory.NONPRIMITIVES) { - String[] retGenValType = getTypeOfGeneric(retType); - println("Class retGenValType = " + retGenValType[0] + ".class;"); - println("Object retObj = rmiCall.remoteCall(objectId, methodId, retType, retGenValType, paramCls, paramObj);"); - println("return (" + retType + ")retObj;"); - } else { - println("Object retObj = rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);"); - println("return (" + retType + ")retObj;"); + } + + + /** + * HELPER: checkAndWriteStructSetupJavaStub() writes the struct type setup + */ + private void checkAndWriteStructSetupJavaStub(List methParams, List methPrmTypes, + InterfaceDecl intDecl, String method) { + + // Iterate and find struct declarations + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + // Check if this is enum type + int methodNumId = intDecl.getMethodNumId(method); + String helperMethod = methodNumId + "struct" + i; + println("int methodIdStruct" + i + " = " + intDecl.getHelperMethodNumId(helperMethod) + ";"); + println("Class retTypeStruct" + i + " = void.class;"); + println("Class[] paramClsStruct" + i + " = new Class[] { int.class };"); + if (isArray(param)) { // An array + println("Object[] paramObjStruct" + i + " = new Object[] { " + getSimpleArrayType(param) + ".length };"); + } else if (isList(paramType)) { // A list + println("Object[] paramObjStruct" + i + " = new Object[] { " + getSimpleArrayType(param) + ".size() };"); + } else { // Just one element + println("Object[] paramObjStruct" + i + " = new Object[] { new Integer(1) };"); + } + println("rmiCall.remoteCall(objectId, methodIdStruct" + i + + ", retTypeStruct" + i + ", null, paramClsStruct" + i + + ", paramObjStruct" + i + ");\n"); } } } /** - * HELPER: checkCallbackType() checks the callback type + * HELPER: isStructPresent() checks presence of struct */ - private boolean checkCallbackType(String paramType, String callbackType) { + private boolean isStructPresent(List methParams, List methPrmTypes) { - if (getParamCategory(paramType) == ParamCategory.NONPRIMITIVES) - paramType = getTypeOfGeneric(paramType)[0]; - return callbackType.equals(paramType); + // Iterate and find enum declarations + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) + return true; + } + return false; } /** - * HELPER: writeCallbackMethodBodyJavaStub() writes the callback method of the stub class + * HELPER: writeLengthStructParamClassJavaStub() writes lengths of parameters */ - private void writeCallbackMethodBodyJavaStub(InterfaceDecl intDecl, List methParams, - List methPrmTypes, String method, String callbackType) { + private void writeLengthStructParamClassJavaStub(List methParams, List methPrmTypes) { - println("try {"); - // Check if this is single object, array, or list of objects + // Iterate and find struct declarations - count number of params for (int i = 0; i < methParams.size(); i++) { - String paramType = methPrmTypes.get(i); - if (checkCallbackType(paramType, callbackType)) { // Check if this has callback object - String param = methParams.get(i); - if (isArrayOrList(paramType, param)) { // Generate loop - println("for (" + paramType + " cb : " + getSimpleIdentifier(param) + ") {"); - println(callbackType + "_CallbackSkeleton skel = new " + callbackType + "_CallbackSkeleton(cb, objIdCnt++);"); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + int members = getNumOfMembers(simpleType); + if (isArray(param)) { // An array + String structLen = getSimpleArrayType(param) + ".length"; + print(members + "*" + structLen); + } else if (isList(paramType)) { // A list + String structLen = getSimpleArrayType(param) + ".size()"; + print(members + "*" + structLen); } else - println(callbackType + "_CallbackSkeleton skel = new " + callbackType + "_CallbackSkeleton(" + - getSimpleIdentifier(param) + ", objIdCnt++);"); - println("listCallbackObj.add(skel);"); - if (isArrayOrList(paramType, param)) - println("}"); + print(Integer.toString(members)); + } else + print("1"); + if (i != methParams.size() - 1) { + print("+"); } } - println("} catch (Exception ex) {"); - println("ex.printStackTrace();"); - println("throw new Error(\"Exception when generating skeleton objects!\");"); - println("}\n"); - println("int methodId = " + intDecl.getMethodNumId(method) + ";"); - String retType = intDecl.getMethodType(method); - println("Class retType = " + getSimpleType(retType) + ".class;"); - // Generate array of parameter types - print("Class[] paramCls = new Class[] { "); - for (int i = 0; i < methParams.size(); i++) { - String paramType = methPrmTypes.get(i); - if (checkCallbackType(paramType, callbackType)) { // Check if this has callback object - print("int.class"); - } else { // Generate normal classes if it's not a callback object - String prmType = checkAndGetArray(methPrmTypes.get(i), methParams.get(i)); - print(getSimpleType(prmType) + ".class"); + } + + + /** + * HELPER: writeStructMembersJavaStub() writes parameters of struct + */ + private void writeStructMembersJavaStub(String simpleType, String paramType, String param) { + + // Get the struct declaration for this struct and generate initialization code + StructDecl structDecl = getStructDecl(simpleType); + List memTypes = structDecl.getMemberTypes(simpleType); + List members = structDecl.getMembers(simpleType); + if (isArray(param)) { // An array + println("for(int i = 0; i < " + getSimpleIdentifier(param) + ".length; i++) {"); + for (int i = 0; i < members.size(); i++) { + String prmType = checkAndGetArray(memTypes.get(i), members.get(i)); + println("paramCls[pos] = " + getSimpleType(getEnumType(prmType)) + ".class;"); + print("paramObj[pos++] = " + getSimpleIdentifier(param) + "[i]."); + print(getSimpleIdentifier(members.get(i))); + println(";"); + } + println("}"); + } else if (isList(paramType)) { // A list + println("for(int i = 0; i < " + getSimpleIdentifier(param) + ".size(); i++) {"); + for (int i = 0; i < members.size(); i++) { + String prmType = checkAndGetArray(memTypes.get(i), members.get(i)); + println("paramCls[pos] = " + getSimpleType(getEnumType(prmType)) + ".class;"); + print("paramObj[pos++] = " + getSimpleIdentifier(param) + ".get(i)."); + print(getSimpleIdentifier(members.get(i))); + println(";"); + } + println("}"); + } else { // Just one struct element + for (int i = 0; i < members.size(); i++) { + String prmType = checkAndGetArray(memTypes.get(i), members.get(i)); + println("paramCls[pos] = " + getSimpleType(getEnumType(prmType)) + ".class;"); + print("paramObj[pos++] = " + getSimpleIdentifier(param) + "."); + print(getSimpleIdentifier(members.get(i))); + println(";"); } - if (i != methParams.size() - 1) // Check if this is the last element - print(", "); } - println(" };"); - // Generate array of parameter objects - print("Object[] paramObj = new Object[] { "); + } + + + /** + * HELPER: writeStructParamClassJavaStub() writes parameters if struct is present + */ + private void writeStructParamClassJavaStub(List methParams, List methPrmTypes, String callbackType) { + + print("int paramLen = "); + writeLengthStructParamClassJavaStub(methParams, methPrmTypes); + println(";"); + println("Object[] paramObj = new Object[paramLen];"); + println("Class[] paramCls = new Class[paramLen];"); + println("int pos = 0;"); + // Iterate again over the parameters for (int i = 0; i < methParams.size(); i++) { String paramType = methPrmTypes.get(i); - if (checkCallbackType(paramType, callbackType)) { // Check if this has callback object - if (isArray(methPrmTypes.get(i), methParams.get(i))) + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + writeStructMembersJavaStub(simpleType, paramType, param); + } else if (checkCallbackType(paramType, callbackType)) { // Check if this has callback object + println("paramCls[pos] = int.class;"); + print("paramObj[pos++] = "); + if (isArray(methParams.get(i))) print(getSimpleIdentifier(methParams.get(i)) + ".length"); - else if (isList(methPrmTypes.get(i), methParams.get(i))) + else if (isList(methPrmTypes.get(i))) print(getSimpleIdentifier(methParams.get(i)) + ".size()"); else print("new Integer(1)"); - } else - print(getSimpleIdentifier(methParams.get(i))); - if (i != methParams.size() - 1) - print(", "); - } - println(" };"); - // Check if this is "void" - if (retType.equals("void")) { - println("rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);"); - } else { // We do have a return value - // Check if the return value NONPRIMITIVES - if (getParamCategory(retType) == ParamCategory.NONPRIMITIVES) { - String[] retGenValType = getTypeOfGeneric(retType); - println("Class retGenValType = " + retGenValType[0] + ".class;"); - println("Object retObj = rmiCall.remoteCall(objectId, methodId, retType, retGenValType, paramCls, paramObj);"); - println("return (" + retType + ")retObj;"); + println(";"); } else { - println("Object retObj = rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);"); - println("return (" + retType + ")retObj;"); + String prmType = checkAndGetArray(methPrmTypes.get(i), methParams.get(i)); + println("paramCls[pos] = " + getSimpleType(getEnumType(prmType)) + ".class;"); + print("paramObj[pos++] = "); + print(getEnumParam(methPrmTypes.get(i), getSimpleIdentifier(methParams.get(i)), i)); + println(";"); } } + } /** - * HELPER: writeMethodJavaStub() writes the method of the stub class + * HELPER: writeStructRetMembersJavaStub() writes parameters of struct for return statement */ - private void writeMethodJavaStub(Collection methods, InterfaceDecl intDecl, Set callbackClasses) { - - for (String method : methods) { - - List methParams = intDecl.getMethodParams(method); - List methPrmTypes = intDecl.getMethodParamTypes(method); - print("public " + intDecl.getMethodType(method) + " " + - intDecl.getMethodId(method) + "("); - boolean isCallbackMethod = false; - String callbackType = null; - for (int i = 0; i < methParams.size(); i++) { - - String paramType = methPrmTypes.get(i); - if (getParamCategory(paramType) == ParamCategory.NONPRIMITIVES) - paramType = getTypeOfGeneric(paramType)[0]; - // Check if this has callback object - if (callbackClasses != null) { - if (callbackClasses.contains(paramType)) { - isCallbackMethod = true; - callbackType = paramType; - // Even if there're 2 callback arguments, we expect them to be of the same interface - } - } - print(methPrmTypes.get(i) + " " + methParams.get(i)); - // Check if this is the last element (don't print a comma) - if (i != methParams.size() - 1) { - print(", "); - } + private void writeStructRetMembersJavaStub(String simpleType, String retType) { + + // Get the struct declaration for this struct and generate initialization code + StructDecl structDecl = getStructDecl(simpleType); + List memTypes = structDecl.getMemberTypes(simpleType); + List members = structDecl.getMembers(simpleType); + if (isArrayOrList(retType, retType)) { // An array or list + println("for(int i = 0; i < retLen; i++) {"); + } + if (isArray(retType)) { // An array + for (int i = 0; i < members.size(); i++) { + String prmType = checkAndGetArray(memTypes.get(i), members.get(i)); + print("structRet[i]." + getSimpleIdentifier(members.get(i))); + println(" = (" + getSimpleType(getEnumType(prmType)) + ") retObj[retObjPos++];"); + } + println("}"); + } else if (isList(retType)) { // A list + println(simpleType + " structRetMem = new " + simpleType + "();"); + for (int i = 0; i < members.size(); i++) { + String prmType = checkAndGetArray(memTypes.get(i), members.get(i)); + print("structRetMem." + getSimpleIdentifier(members.get(i))); + println(" = (" + getSimpleType(getEnumType(prmType)) + ") retObj[retObjPos++];"); + } + println("structRet.add(structRetMem);"); + println("}"); + } else { // Just one struct element + for (int i = 0; i < members.size(); i++) { + String prmType = checkAndGetArray(memTypes.get(i), members.get(i)); + print("structRet." + getSimpleIdentifier(members.get(i))); + println(" = (" + getSimpleType(getEnumType(prmType)) + ") retObj[retObjPos++];"); } - println(") {"); - // Now, write the body of stub! - if (isCallbackMethod) - writeCallbackMethodBodyJavaStub(intDecl, methParams, methPrmTypes, method, callbackType); - else - writeStdMethodBodyJavaStub(intDecl, methParams, methPrmTypes, method); - println("}\n"); - // Write the init callback helper method - if (isCallbackMethod) - writeInitCallbackJavaStub(callbackType, intDecl); } + println("return structRet;"); } /** - * generateJavaStubClasses() generate stubs based on the methods list in Java + * HELPER: writeStructReturnJavaStub() writes parameters if struct is present for return statement */ - public void generateJavaStubClasses() throws IOException { + private void writeStructReturnJavaStub(String simpleType, String retType) { + + // Handle the returned struct!!! + println("Object retLenObj = rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);"); + // Minimum retLen is 1 if this is a single struct object + println("int retLen = (int) retLenObj;"); + int numMem = getNumOfMembers(simpleType); + println("Class[] retCls = new Class[" + numMem + "*retLen];"); + println("Class[] retClsVal = new Class[" + numMem + "*retLen];"); + println("int retPos = 0;"); + // Get the struct declaration for this struct and generate initialization code + StructDecl structDecl = getStructDecl(simpleType); + List memTypes = structDecl.getMemberTypes(simpleType); + List members = structDecl.getMembers(simpleType); + if (isArrayOrList(retType, retType)) { // An array or list + println("for(int i = 0; i < retLen; i++) {"); + for (int i = 0; i < members.size(); i++) { + String prmType = checkAndGetArray(memTypes.get(i), members.get(i)); + println("retCls[retPos] = " + getSimpleType(getEnumType(prmType)) + ".class;"); + println("retClsVal[retPos++] = null;"); + } + println("}"); + } else { // Just one struct element + for (int i = 0; i < members.size(); i++) { + String prmType = checkAndGetArray(memTypes.get(i), members.get(i)); + println("retCls[retPos] = " + getSimpleType(getEnumType(prmType)) + ".class;"); + println("retClsVal[retPos++] = null;"); + } + } + println("Object[] retObj = rmiCall.getStructObjects(retCls, retClsVal);"); + if (isArray(retType)) { // An array + println(simpleType + "[] structRet = new " + simpleType + "[retLen];"); + println("for(int i = 0; i < retLen; i++) {"); + println("structRet[i] = new " + simpleType + "();"); + println("}"); + } else if (isList(retType)) { // A list + println("List<" + simpleType + "> structRet = new ArrayList<" + simpleType + ">();"); + } else + println(simpleType + " structRet = new " + simpleType + "();"); + println("int retObjPos = 0;"); + writeStructRetMembersJavaStub(simpleType, retType); + } - // Create a new directory - String path = createDirectories(dir, subdir); - for (String intface : mapIntfacePTH.keySet()) { - Map> mapNewIntMethods = mapInt2NewInts.get(intface); - for (Map.Entry> intMeth : mapNewIntMethods.entrySet()) { + /** + * HELPER: writeStdMethodBodyJavaStub() writes the standard method body in the stub class + */ + private void writeStdMethodBodyJavaStub(InterfaceDecl intDecl, List methParams, + List methPrmTypes, String method, String callbackType) { - // Open a new file to write into - String newIntface = intMeth.getKey(); - String newStubClass = newIntface + "_Stub"; - FileWriter fw = new FileWriter(path + "/" + newStubClass + ".java"); - pw = new PrintWriter(new BufferedWriter(fw)); - DeclarationHandler decHandler = mapIntDeclHand.get(intface); - InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface); - // Pass in set of methods and get import classes - Set methods = intMeth.getValue(); - Set importClasses = getImportClasses(methods, intDecl); - List stdImportClasses = getStandardJavaImportClasses(); - List allImportClasses = getAllImportClasses(stdImportClasses, importClasses); - printImportStatements(allImportClasses); println(""); + checkAndWriteStructSetupJavaStub(methParams, methPrmTypes, intDecl, method); + println("int methodId = " + intDecl.getMethodNumId(method) + ";"); + String retType = intDecl.getMethodType(method); + println("Class retType = " + getSimpleType(getStructType(getEnumType(retType))) + ".class;"); + checkAndWriteEnumTypeJavaStub(methParams, methPrmTypes); + // Generate array of parameter types + if (isStructPresent(methParams, methPrmTypes)) { + writeStructParamClassJavaStub(methParams, methPrmTypes, callbackType); + } else { + print("Class[] paramCls = new Class[] { "); + for (int i = 0; i < methParams.size(); i++) { + String prmType = methPrmTypes.get(i); + if (checkCallbackType(prmType, callbackType)) { // Check if this has callback object + print("int.class"); + } else { // Generate normal classes if it's not a callback object + String paramType = checkAndGetArray(methPrmTypes.get(i), methParams.get(i)); + print(getSimpleType(getEnumType(paramType)) + ".class"); + } + // Check if this is the last element (don't print a comma) + if (i != methParams.size() - 1) { + print(", "); + } + } + println(" };"); + // Generate array of parameter objects + print("Object[] paramObj = new Object[] { "); + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + if (checkCallbackType(paramType, callbackType)) { // Check if this has callback object + //if (isArray(methPrmTypes.get(i), methParams.get(i))) + if (isArray(methParams.get(i))) + print(getSimpleIdentifier(methParams.get(i)) + ".length"); + else if (isList(methPrmTypes.get(i))) + print(getSimpleIdentifier(methParams.get(i)) + ".size()"); + else + print("new Integer(1)"); + } else + print(getEnumParam(methPrmTypes.get(i), getSimpleIdentifier(methParams.get(i)), i)); + // Check if this is the last element (don't print a comma) + if (i != methParams.size() - 1) { + print(", "); + } + } + println(" };"); + } + // Check if this is "void" + if (retType.equals("void")) { + println("rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);"); + } else { // We do have a return value + // Generate array of parameter types + if (isStructClass(getGenericType(getSimpleArrayType(retType)))) { + writeStructReturnJavaStub(getGenericType(getSimpleArrayType(retType)), retType); + } else { + // This is an enum type + if (getParamCategory(getGenericType(getSimpleArrayType(retType))) == ParamCategory.ENUM) { + println("Object retObj = rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);"); + checkAndWriteEnumRetTypeJavaStub(retType); + } else if (getParamCategory(retType) == ParamCategory.NONPRIMITIVES) { + // Check if the return value NONPRIMITIVES + String retGenValType = getGenericType(retType); + println("Class retGenValType = " + retGenValType + ".class;"); + println("Object retObj = rmiCall.remoteCall(objectId, methodId, retType, retGenValType, paramCls, paramObj);"); + println("return (" + retType + ")retObj;"); + } else { + println("Object retObj = rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);"); + println("return (" + retType + ")retObj;"); + } + } + } + } + + + /** + * HELPER: returnGenericCallbackType() returns the callback type + */ + private String returnGenericCallbackType(String paramType) { + + if (getParamCategory(paramType) == ParamCategory.NONPRIMITIVES) + return getGenericType(paramType); + else + return paramType; + } + + + /** + * HELPER: checkCallbackType() checks the callback type + */ + private boolean checkCallbackType(String paramType, String callbackType) { + + String prmType = returnGenericCallbackType(paramType); + if (callbackType == null) // If there is no callbackType it means not a callback method + return false; + else + return callbackType.equals(prmType); + } + + + /** + * HELPER: writeCallbackMethodBodyJavaStub() writes the callback method of the stub class + */ + private void writeCallbackMethodBodyJavaStub(InterfaceDecl intDecl, List methParams, + List methPrmTypes, String method, String callbackType) { + + println("try {"); + // Check if this is single object, array, or list of objects + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + if (checkCallbackType(paramType, callbackType)) { // Check if this has callback object + String param = methParams.get(i); + if (isArrayOrList(paramType, param)) { // Generate loop + println("for (" + getGenericType(paramType) + " cb : " + getSimpleIdentifier(param) + ") {"); + println(callbackType + "_CallbackSkeleton skel" + i + " = new " + callbackType + "_CallbackSkeleton(cb, objIdCnt++);"); + } else + println(callbackType + "_CallbackSkeleton skel" + i + " = new " + callbackType + "_CallbackSkeleton(" + + getSimpleIdentifier(param) + ", objIdCnt++);"); + println("listCallbackObj.add(skel" + i + ");"); + if (isArrayOrList(paramType, param)) + println("}"); + } + } + print("}"); + println(" catch (Exception ex) {"); + println("ex.printStackTrace();"); + println("throw new Error(\"Exception when generating skeleton objects!\");"); + println("}\n"); + } + + + /** + * HELPER: writeMethodJavaStub() writes the methods of the stub class + */ + private void writeMethodJavaStub(Collection methods, InterfaceDecl intDecl, Set callbackClasses) { + + boolean isDefined = false; + for (String method : methods) { + + List methParams = intDecl.getMethodParams(method); + List methPrmTypes = intDecl.getMethodParamTypes(method); + print("public " + intDecl.getMethodType(method) + " " + + intDecl.getMethodId(method) + "("); + boolean isCallbackMethod = false; + String callbackType = null; + for (int i = 0; i < methParams.size(); i++) { + + String paramType = returnGenericCallbackType(methPrmTypes.get(i)); + // Check if this has callback object + if (callbackClasses.contains(paramType)) { + isCallbackMethod = true; + callbackType = paramType; + // Even if there're 2 callback arguments, we expect them to be of the same interface + } + print(methPrmTypes.get(i) + " " + methParams.get(i)); + // Check if this is the last element (don't print a comma) + if (i != methParams.size() - 1) { + print(", "); + } + } + println(") {"); + // Now, write the body of stub! + if (isCallbackMethod) + writeCallbackMethodBodyJavaStub(intDecl, methParams, methPrmTypes, method, callbackType); + //else + writeStdMethodBodyJavaStub(intDecl, methParams, methPrmTypes, method, callbackType); + println("}\n"); + // Write the init callback helper method + if (isCallbackMethod && !isDefined) { + writeInitCallbackJavaStub(callbackType, intDecl); + isDefined = true; + } + } + } + + + /** + * generateJavaStubClasses() generate stubs based on the methods list in Java + */ + public void generateJavaStubClasses() throws IOException { + + // Create a new directory + String path = createDirectories(dir, subdir); + for (String intface : mapIntfacePTH.keySet()) { + + Map> mapNewIntMethods = mapInt2NewInts.get(intface); + for (Map.Entry> intMeth : mapNewIntMethods.entrySet()) { + + // Open a new file to write into + String newIntface = intMeth.getKey(); + String newStubClass = newIntface + "_Stub"; + FileWriter fw = new FileWriter(path + "/" + newStubClass + ".java"); + pw = new PrintWriter(new BufferedWriter(fw)); + DeclarationHandler decHandler = mapIntDeclHand.get(intface); + InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface); + // Pass in set of methods and get import classes + Set methods = intMeth.getValue(); + Set importClasses = getImportClasses(methods, intDecl); + List stdImportClasses = getStandardJavaImportClasses(); + List allImportClasses = getAllLibClasses(stdImportClasses, importClasses); + printImportStatements(allImportClasses); println(""); // Find out if there are callback objects Set callbackClasses = getCallbackClasses(methods, intDecl); boolean callbackExist = !callbackClasses.isEmpty(); @@ -657,7 +1077,7 @@ public class IoTCompiler { // Write properties writePropertiesJavaStub(intface, newIntface, callbackExist, callbackClasses); // Write constructor - writeConstructorJavaStub(newStubClass, callbackExist, callbackClasses); + writeConstructorJavaStub(intface, newStubClass, callbackExist, callbackClasses); // Write methods writeMethodJavaStub(intMeth.getValue(), intDecl, callbackClasses); println("}"); @@ -674,8 +1094,10 @@ public class IoTCompiler { private void writePropertiesJavaCallbackStub(String intface, String newIntface, boolean callbackExist, Set callbackClasses) { println("private IoTRMICall rmiCall;"); + println("private String address;"); + println("private int[] ports;\n"); // Get the object Id - println("private static int objectId = 0;"); + println("private int objectId = 0;"); if (callbackExist) { // We assume that each class only has one callback interface for now Iterator it = callbackClasses.iterator(); @@ -684,6 +1106,10 @@ public class IoTCompiler { println("private IoTRMIObject rmiObj;"); println("List<" + callbackType + "> listCallbackObj;"); println("private static int objIdCnt = 0;"); + // Generate permission stuff for callback stubs + DeclarationHandler decHandler = mapIntDeclHand.get(callbackType); + InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(callbackType); + writePropertiesJavaPermission(callbackType, intDecl); } println("\n"); } @@ -692,16 +1118,19 @@ public class IoTCompiler { /** * HELPER: writeConstructorJavaCallbackStub() writes the constructor of the callback stub class */ - private void writeConstructorJavaCallbackStub(String intface, boolean callbackExist, Set callbackClasses) { + private void writeConstructorJavaCallbackStub(String intface, String newStubClass, boolean callbackExist, Set callbackClasses) { - println("public " + intface + "(IoTRMICall _rmiCall, int _objectId) throws Exception {"); + // TODO: If we want callback in callback, then we need to add address and port initializations + println("public " + newStubClass + "(IoTRMICall _rmiCall, int _objectId) throws Exception {"); println("objectId = _objectId;"); println("rmiCall = _rmiCall;"); if (callbackExist) { Iterator it = callbackClasses.iterator(); String callbackType = (String) it.next(); + writeConstructorJavaPermission(intface); println("listCallbackObj = new ArrayList<" + callbackType + ">();"); println("___initCallBack();"); + println("// TODO: Add address and port initialization here if we want callback in callback!"); } println("}\n"); } @@ -734,7 +1163,7 @@ public class IoTCompiler { Set methods = intMeth.getValue(); Set importClasses = getImportClasses(methods, intDecl); List stdImportClasses = getStandardJavaImportClasses(); - List allImportClasses = getAllImportClasses(stdImportClasses, importClasses); + List allImportClasses = getAllLibClasses(stdImportClasses, importClasses); printImportStatements(allImportClasses); println(""); // Find out if there are callback objects Set callbackClasses = getCallbackClasses(methods, intDecl); @@ -744,7 +1173,7 @@ public class IoTCompiler { // Write properties writePropertiesJavaCallbackStub(intface, newIntface, callbackExist, callbackClasses); // Write constructor - writeConstructorJavaCallbackStub(newStubClass, callbackExist, callbackClasses); + writeConstructorJavaCallbackStub(intface, newStubClass, callbackExist, callbackClasses); // Write methods // TODO: perhaps need to generate callback for callback writeMethodJavaStub(intMeth.getValue(), intDecl, callbackClasses); @@ -759,7 +1188,7 @@ public class IoTCompiler { /** * HELPER: writePropertiesJavaSkeleton() writes the properties of the skeleton class */ - private void writePropertiesJavaSkeleton(String intface, boolean callbackExist) { + private void writePropertiesJavaSkeleton(String intface, boolean callbackExist, InterfaceDecl intDecl) { println("private " + intface + " mainObj;"); //println("private int ports;"); @@ -769,27 +1198,54 @@ public class IoTCompiler { println("private static int objIdCnt = 0;"); println("private IoTRMICall rmiCall;"); } - // Keep track of object Ids of all stubs registered to this interface - Map> mapNewIntMethods = mapInt2NewInts.get(intface); - for (Map.Entry> intMeth : mapNewIntMethods.entrySet()) { - String newIntface = intMeth.getKey(); - int newObjectId = mapNewIntfaceObjId.get(newIntface); - println("private final static int object" + newObjectId + "Id = " + - newObjectId + ";\t//" + newIntface); - } + writePropertiesJavaPermission(intface, intDecl); println("\n"); } + /** + * HELPER: writeStructPermissionJavaSkeleton() writes permission for struct helper + */ + private void writeStructPermissionJavaSkeleton(Collection methods, InterfaceDecl intDecl, String intface) { + + // Use this set to handle two same methodIds + for (String method : methods) { + List methParams = intDecl.getMethodParams(method); + List methPrmTypes = intDecl.getMethodParamTypes(method); + // Check for params with structs + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + int methodNumId = intDecl.getMethodNumId(method); + String helperMethod = methodNumId + "struct" + i; + int methodHelperNumId = intDecl.getHelperMethodNumId(helperMethod); + // Iterate over interfaces to give permissions to + Map> mapNewIntMethods = mapInt2NewInts.get(intface); + for (Map.Entry> intMeth : mapNewIntMethods.entrySet()) { + String newIntface = intMeth.getKey(); + int newObjectId = getNewIntfaceObjectId(newIntface); + println("set" + newObjectId + "Allowed.add(" + methodHelperNumId + ");"); + } + } + } + } + } + + /** * HELPER: writeConstructorJavaSkeleton() writes the constructor of the skeleton class */ - private void writeConstructorJavaSkeleton(String newSkelClass, String intface) { + private void writeConstructorJavaSkeleton(String newSkelClass, String intface, InterfaceDecl intDecl, Collection methods, boolean callbackExist) { println("public " + newSkelClass + "(" + intface + " _mainObj, int _port) throws Exception {"); println("mainObj = _mainObj;"); println("rmiObj = new IoTRMIObject(_port);"); - //println("set0Allowed = Arrays.asList(object0Permission);"); + // Generate permission control initialization + writeConstructorJavaPermission(intface); + writeJavaInitCallbackPermission(intface, intDecl, callbackExist); + writeStructPermissionJavaSkeleton(methods, intDecl, intface); println("___waitRequestInvokeMethod();"); println("}\n"); } @@ -819,11 +1275,15 @@ public class IoTCompiler { /** * HELPER: writeInitCallbackJavaSkeleton() writes the init callback method for skeleton class */ - private void writeInitCallbackJavaSkeleton() { + private void writeInitCallbackJavaSkeleton(boolean callbackSkeleton) { - println("public void ___regCB() throws IOException {"); - println("Object[] paramObj = rmiObj.getMethodParams(new Class[] { int.class, String.class, int.class },"); - println("\tnew Class[] { null, null, null });"); + // This is a callback skeleton generation + if (callbackSkeleton) + println("public void ___regCB(IoTRMIObject rmiObj) throws IOException {"); + else + println("public void ___regCB() throws IOException {"); + print("Object[] paramObj = rmiObj.getMethodParams(new Class[] { int.class, String.class, int.class },"); + println("new Class[] { null, null, null });"); println("rmiCall = new IoTRMICall((int) paramObj[0], (String) paramObj[1], (int) paramObj[2]);"); println("}\n"); } @@ -832,8 +1292,10 @@ public class IoTCompiler { /** * HELPER: writeMethodJavaSkeleton() writes the method of the skeleton class */ - private void writeMethodJavaSkeleton(Collection methods, InterfaceDecl intDecl, Set callbackClasses) { + private void writeMethodJavaSkeleton(Collection methods, InterfaceDecl intDecl, Set callbackClasses, + boolean callbackSkeleton) { + boolean isDefined = false; for (String method : methods) { List methParams = intDecl.getMethodParams(method); @@ -845,12 +1307,10 @@ public class IoTCompiler { for (int i = 0; i < methParams.size(); i++) { String origParamType = methPrmTypes.get(i); - String paramType = checkAndGetParamClass(origParamType, false); - if (callbackClasses != null) { // Check if this has callback object - if (callbackClasses.contains(origParamType)) { - isCallbackMethod = true; - callbackType = origParamType; - } + String paramType = checkAndGetParamClass(origParamType); + if (callbackClasses.contains(origParamType)) { // Check if this has callback object + isCallbackMethod = true; + callbackType = origParamType; } print(paramType + " " + methParams.get(i)); // Check if this is the last element (don't print a comma) @@ -862,32 +1322,36 @@ public class IoTCompiler { // Now, write the body of skeleton! writeStdMethodBodyJavaSkeleton(methParams, methodId, intDecl.getMethodType(method)); println("}\n"); - if (isCallbackMethod) - writeInitCallbackJavaSkeleton(); + if (isCallbackMethod && !isDefined) { // Make sure that this function is only defined once! + writeInitCallbackJavaSkeleton(callbackSkeleton); + isDefined = true; + } } } /** - * HELPER: writeCallbackStubGeneration() writes the callback stub generation part + * HELPER: writeCallbackJavaStubGeneration() writes the callback stub generation part */ - private Map writeCallbackStubGeneration(List methParams, List methPrmTypes, String callbackType) { + private Map writeCallbackJavaStubGeneration(List methParams, List methPrmTypes, + String callbackType, boolean isStructMethod) { Map mapStubParam = new HashMap(); + String offsetPfx = ""; + if (isStructMethod) + offsetPfx = "offset"; // Iterate over callback objects for (int i = 0; i < methParams.size(); i++) { String paramType = methPrmTypes.get(i); String param = methParams.get(i); - //if (callbackType.equals(paramType)) { if (checkCallbackType(paramType, callbackType)) { // Check if this has callback object - println("try {"); - String exchParamType = checkAndGetParamClass(paramType, false); + String exchParamType = checkAndGetParamClass(getGenericType(paramType)); // Print array if this is array or list if this is a list of callback objects - if (isArray(paramType, param)) { - println("int numStubs" + i + " = (int) paramObj[" + i + "];"); + if (isArray(param)) { + println("int numStubs" + i + " = (int) paramObj[" + offsetPfx + i + "];"); println(exchParamType + "[] stub" + i + " = new " + exchParamType + "[numStubs" + i + "];"); - } else if (isList(paramType, param)) { - println("int numStubs" + i + " = (int) paramObj[" + i + "];"); + } else if (isList(paramType)) { + println("int numStubs" + i + " = (int) paramObj[" + offsetPfx + i + "];"); println("List<" + exchParamType + "> stub" + i + " = new ArrayList<" + exchParamType + ">();"); } else { println(exchParamType + " stub" + i + " = new " + exchParamType + "_CallbackStub(rmiCall, objIdCnt);"); @@ -896,145 +1360,729 @@ public class IoTCompiler { } // Generate a loop if needed if (checkCallbackType(paramType, callbackType)) { // Check if this has callback object - String exchParamType = checkAndGetParamClass(paramType, false); - if (isArray(paramType, param)) { + String exchParamType = checkAndGetParamClass(getGenericType(paramType)); + if (isArray(param)) { println("for (int objId = 0; objId < numStubs" + i + "; objId++) {"); println("stub" + i + "[objId] = new " + exchParamType + "_CallbackStub(rmiCall, objIdCnt);"); println("objIdCnt++;"); println("}"); - } else if (isList(paramType, param)) { + } else if (isList(paramType)) { println("for (int objId = 0; objId < numStubs" + i + "; objId++) {"); println("stub" + i + ".add(new " + exchParamType + "_CallbackStub(rmiCall, objIdCnt));"); println("objIdCnt++;"); println("}"); } + mapStubParam.put(i, "stub" + i); // List of all stub parameters } - mapStubParam.put(i, "stub" + i); // List of all stub parameters } return mapStubParam; } /** - * HELPER: writeStdMethodHelperBodyJavaSkeleton() writes the standard method body helper in the skeleton class + * HELPER: checkAndWriteEnumTypeJavaSkeleton() writes the enum type (convert from enum to int) */ - private void writeStdMethodHelperBodyJavaSkeleton(InterfaceDecl intDecl, List methParams, - List methPrmTypes, String method, Set callbackClasses) { - // Generate array of parameter objects - boolean isCallbackMethod = false; - String callbackType = null; - print("Object[] paramObj = rmiObj.getMethodParams(new Class[] { "); + private void checkAndWriteEnumTypeJavaSkeleton(List methParams, List methPrmTypes, boolean isStructMethod) { + + String offsetPfx = ""; + if (isStructMethod) + offsetPfx = "offset"; + // Iterate and find enum declarations + boolean printed = false; for (int i = 0; i < methParams.size(); i++) { String paramType = methPrmTypes.get(i); - if (getParamCategory(paramType) == ParamCategory.NONPRIMITIVES) - paramType = getTypeOfGeneric(paramType)[0]; - if (callbackClasses != null) { - if (callbackClasses.contains(paramType)) { - isCallbackMethod = true; - callbackType = paramType; - print("int.class"); - } else { - String prmType = checkAndGetArray(methPrmTypes.get(i), methParams.get(i)); - print(getSimpleType(prmType) + ".class"); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isEnumClass(simpleType)) { + // Check if this is enum type + println("int paramInt" + i + "[] = (int[]) paramObj[" + offsetPfx + i + "];"); + if (!printed) { + println(simpleType + "[] enumVals = " + simpleType + ".values();"); + printed = true; + } + if (isArray(param)) { // An array + println("int len" + i + " = paramInt" + i + ".length;"); + println(simpleType + "[] paramEnum" + i + " = new " + simpleType + "[len" + i + "];"); + println("for (int i = 0; i < len" + i + "; i++) {"); + println("paramEnum" + i + "[i] = enumVals[paramInt" + i + "[i]];"); + println("}"); + } else if (isList(paramType)) { // A list + println("int len" + i + " = paramInt" + i + ".length;"); + println("List<" + simpleType + "> paramEnum" + i + " = new ArrayList<" + simpleType + ">();"); + println("for (int i = 0; i < len" + i + "; i++) {"); + println("paramEnum" + i + ".add(enumVals[paramInt" + i + "[i]]);"); + println("}"); + } else { // Just one element + println(simpleType + " paramEnum" + i + " = enumVals[paramInt" + i + "[0]];"); } - } else { // Generate normal classes if it's not a callback object - String prmType = checkAndGetArray(methPrmTypes.get(i), methParams.get(i)); - print(getSimpleType(prmType) + ".class"); } - if (i != methParams.size() - 1) - print(", "); - } - println(" }, "); - // Generate generic class if it's a generic type.. null otherwise - print("new Class[] { "); - for (int i = 0; i < methParams.size(); i++) { - String prmType = methPrmTypes.get(i); - if (getParamCategory(prmType) == ParamCategory.NONPRIMITIVES) - print(getTypeOfGeneric(prmType)[0] + ".class"); - else - print("null"); - if (i != methParams.size() - 1) - print(", "); - } - println(" });"); - Map mapStubParam = null; - if (isCallbackMethod) - mapStubParam = writeCallbackStubGeneration(methParams, methPrmTypes, callbackType); - // Check if this is "void" - String retType = intDecl.getMethodType(method); - if (retType.equals("void")) { - print(intDecl.getMethodId(method) + "("); - } else { // We do have a return value - print("Object retObj = " + intDecl.getMethodId(method) + "("); } - for (int i = 0; i < methParams.size(); i++) { + } - if (isCallbackMethod) { - print(mapStubParam.get(i)); // Get the callback parameter - } else { - String prmType = checkAndGetArray(methPrmTypes.get(i), methParams.get(i)); - print("(" + prmType + ") paramObj[" + i + "]"); + + /** + * HELPER: checkAndWriteEnumRetTypeJavaSkeleton() writes the enum return type (convert from enum to int) + */ + private void checkAndWriteEnumRetTypeJavaSkeleton(String retType, String methodId) { + + // Strips off array "[]" for return type + String pureType = getSimpleArrayType(getGenericType(retType)); + // Take the inner type of generic + if (getParamCategory(retType) == ParamCategory.NONPRIMITIVES) + pureType = getGenericType(retType); + if (isEnumClass(pureType)) { + // Check if this is enum type + // Enum decoder + if (isArray(retType)) { // An array + print(pureType + "[] retEnum = " + methodId + "("); + } else if (isList(retType)) { // A list + print("List<" + pureType + "> retEnum = " + methodId + "("); + } else { // Just one element + print(pureType + " retEnum = " + methodId + "("); } - if (i != methParams.size() - 1) - print(", "); - } - println(");"); - if (!retType.equals("void")) - println("rmiObj.sendReturnObj(retObj);"); - if (isCallbackMethod) { // Catch exception if this is callback - println("} catch(Exception ex) {"); - println("ex.printStackTrace();"); - println("throw new Error(\"Exception from callback object instantiation!\");"); - println("}"); } } /** - * HELPER: writeMethodHelperJavaSkeleton() writes the method helper of the skeleton class + * HELPER: checkAndWriteEnumRetConvJavaSkeleton() writes the enum return type (convert from enum to int) */ - private void writeMethodHelperJavaSkeleton(Collection methods, InterfaceDecl intDecl, Set callbackClasses) { - - // Use this set to handle two same methodIds - Set uniqueMethodIds = new HashSet(); - for (String method : methods) { - - List methParams = intDecl.getMethodParams(method); - List methPrmTypes = intDecl.getMethodParamTypes(method); - String methodId = intDecl.getMethodId(method); - print("public void ___"); - String helperMethod = methodId; - if (uniqueMethodIds.contains(methodId)) - helperMethod = helperMethod + intDecl.getMethodNumId(method); - else - uniqueMethodIds.add(methodId); - // Check if this is "void" - String retType = intDecl.getMethodType(method); - if (retType.equals("void")) - println(helperMethod + "() {"); - else - println(helperMethod + "() throws IOException {"); - // Now, write the helper body of skeleton! - writeStdMethodHelperBodyJavaSkeleton(intDecl, methParams, methPrmTypes, method, callbackClasses); - println("}\n"); + private void checkAndWriteEnumRetConvJavaSkeleton(String retType) { + + // Strips off array "[]" for return type + String pureType = getSimpleArrayType(getGenericType(retType)); + // Take the inner type of generic + if (getParamCategory(retType) == ParamCategory.NONPRIMITIVES) + pureType = getGenericType(retType); + if (isEnumClass(pureType)) { + // Check if this is enum type + if (isArray(retType)) { // An array + println("int retLen = retEnum.length;"); + println("int[] retEnumVal = new int[retLen];"); + println("for (int i = 0; i < retLen; i++) {"); + println("retEnumVal[i] = retEnum[i].ordinal();"); + println("}"); + } else if (isList(retType)) { // A list + println("int retLen = retEnum.size();"); + println("int[] retEnumVal = new int[retLen];"); + println("for (int i = 0; i < retLen; i++) {"); + println("retEnumVal[i] = retEnum.get(i).ordinal();"); + println("}"); + } else { // Just one element + println("int[] retEnumVal = new int[1];"); + println("retEnumVal[0] = retEnum.ordinal();"); + } + println("Object retObj = retEnumVal;"); } } - - + + /** - * HELPER: writeJavaWaitRequestInvokeMethod() writes the main loop of the skeleton class + * HELPER: writeLengthStructParamClassSkeleton() writes lengths of params */ - private void writeJavaWaitRequestInvokeMethod(Collection methods, InterfaceDecl intDecl, boolean callbackExist) { + private void writeLengthStructParamClassSkeleton(List methParams, List methPrmTypes, + String method, InterfaceDecl intDecl) { - // Use this set to handle two same methodIds - Set uniqueMethodIds = new HashSet(); - println("private void ___waitRequestInvokeMethod() throws IOException {"); - // Write variables here if we have callbacks or enums or structs - println("while (true) {"); - println("rmiObj.getMethodBytes();"); - println("int _objectId = rmiObj.getObjectId();"); + // Iterate and find struct declarations - count number of params + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + int members = getNumOfMembers(simpleType); + print(Integer.toString(members) + "*"); + int methodNumId = intDecl.getMethodNumId(method); + print("struct" + methodNumId + "Size" + i); + } else + print("1"); + if (i != methParams.size() - 1) { + print("+"); + } + } + } + + + /** + * HELPER: writeStructMembersJavaSkeleton() writes member parameters of struct + */ + private void writeStructMembersJavaSkeleton(String simpleType, String paramType, + String param, String method, InterfaceDecl intDecl, int iVar) { + + // Get the struct declaration for this struct and generate initialization code + StructDecl structDecl = getStructDecl(simpleType); + List memTypes = structDecl.getMemberTypes(simpleType); + List members = structDecl.getMembers(simpleType); + if (isArrayOrList(paramType, param)) { // An array or list + int methodNumId = intDecl.getMethodNumId(method); + String counter = "struct" + methodNumId + "Size" + iVar; + println("for(int i = 0; i < " + counter + "; i++) {"); + } + if (isArrayOrList(paramType, param)) { // An array or list + for (int i = 0; i < members.size(); i++) { + String prmType = checkAndGetArray(memTypes.get(i), members.get(i)); + println("paramCls[pos] = " + getSimpleType(getEnumType(prmType)) + ".class;"); + println("paramClsGen[pos++] = null;"); + } + println("}"); + } else { // Just one struct element + for (int i = 0; i < members.size(); i++) { + String prmType = checkAndGetArray(memTypes.get(i), members.get(i)); + println("paramCls[pos] = " + getSimpleType(getEnumType(prmType)) + ".class;"); + println("paramClsGen[pos++] = null;"); + } + } + } + + + /** + * HELPER: writeStructMembersInitJavaSkeleton() writes member parameters initialization of struct + */ + private void writeStructMembersInitJavaSkeleton(InterfaceDecl intDecl, List methParams, + List methPrmTypes, String method) { + + println("int objPos = 0;"); + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + int methodNumId = intDecl.getMethodNumId(method); + String counter = "struct" + methodNumId + "Size" + i; + // Declaration + if (isArray(param)) { // An array + println(simpleType + "[] paramStruct" + i + " = new " + simpleType + "[" + counter + "];"); + println("for(int i = 0; i < " + counter + "; i++) {"); + println("paramStruct" + i + "[i] = new " + simpleType + "();"); + println("}"); + } else if (isList(paramType)) { // A list + println("List<" + simpleType + "> paramStruct" + i + " = new ArrayList<" + simpleType + ">();"); + } else + println(simpleType + " paramStruct" + i + " = new " + simpleType + "();"); + // Initialize members + StructDecl structDecl = getStructDecl(simpleType); + List members = structDecl.getMembers(simpleType); + List memTypes = structDecl.getMemberTypes(simpleType); + if (isArrayOrList(paramType, param)) { // An array or list + println("for(int i = 0; i < " + counter + "; i++) {"); + } + if (isArray(param)) { // An array + for (int j = 0; j < members.size(); j++) { + String prmType = checkAndGetArray(memTypes.get(j), members.get(j)); + print("paramStruct" + i + "[i]." + getSimpleIdentifier(members.get(j))); + println(" = (" + getSimpleType(getEnumType(prmType)) + ") paramObj[objPos++];"); + } + println("}"); + } else if (isList(paramType)) { // A list + println(simpleType + " paramStructMem = new " + simpleType + "();"); + for (int j = 0; j < members.size(); j++) { + String prmType = checkAndGetArray(memTypes.get(j), members.get(j)); + print("paramStructMem." + getSimpleIdentifier(members.get(j))); + println(" = (" + getSimpleType(getEnumType(prmType)) + ") paramObj[objPos++];"); + } + println("paramStruct" + i + ".add(paramStructMem);"); + println("}"); + } else { // Just one struct element + for (int j = 0; j < members.size(); j++) { + String prmType = checkAndGetArray(memTypes.get(j), members.get(j)); + print("paramStruct" + i + "." + getSimpleIdentifier(members.get(j))); + println(" = (" + getSimpleType(getEnumType(prmType)) + ") paramObj[objPos++];"); + } + } + } else { + // Take offsets of parameters + println("int offset" + i +" = objPos++;"); + } + } + } + + + /** + * HELPER: writeStructReturnJavaSkeleton() writes struct for return statement + */ + private void writeStructReturnJavaSkeleton(String simpleType, String retType) { + + // Minimum retLen is 1 if this is a single struct object + if (isArray(retType)) + println("int retLen = retStruct.length;"); + else if (isList(retType)) + println("int retLen = retStruct.size();"); + else // Just single struct object + println("int retLen = 1;"); + println("Object retLenObj = retLen;"); + println("rmiObj.sendReturnObj(retLenObj);"); + int numMem = getNumOfMembers(simpleType); + println("Class[] retCls = new Class[" + numMem + "*retLen];"); + println("Object[] retObj = new Object[" + numMem + "*retLen];"); + println("int retPos = 0;"); + // Get the struct declaration for this struct and generate initialization code + StructDecl structDecl = getStructDecl(simpleType); + List memTypes = structDecl.getMemberTypes(simpleType); + List members = structDecl.getMembers(simpleType); + if (isArray(retType)) { // An array or list + println("for(int i = 0; i < retLen; i++) {"); + for (int i = 0; i < members.size(); i++) { + String prmType = checkAndGetArray(memTypes.get(i), members.get(i)); + println("retCls[retPos] = " + getSimpleType(getEnumType(prmType)) + ".class;"); + print("retObj[retPos++] = retStruct[i]."); + print(getEnumParam(memTypes.get(i), getSimpleIdentifier(members.get(i)), i)); + println(";"); + } + println("}"); + } else if (isList(retType)) { // An array or list + println("for(int i = 0; i < retLen; i++) {"); + for (int i = 0; i < members.size(); i++) { + String prmType = checkAndGetArray(memTypes.get(i), members.get(i)); + println("retCls[retPos] = " + getSimpleType(getEnumType(prmType)) + ".class;"); + print("retObj[retPos++] = retStruct.get(i)."); + print(getEnumParam(memTypes.get(i), getSimpleIdentifier(members.get(i)), i)); + println(";"); + } + println("}"); + } else { // Just one struct element + for (int i = 0; i < members.size(); i++) { + String prmType = checkAndGetArray(memTypes.get(i), members.get(i)); + println("retCls[retPos] = " + getSimpleType(getEnumType(prmType)) + ".class;"); + print("retObj[retPos++] = retStruct."); + print(getEnumParam(memTypes.get(i), getSimpleIdentifier(members.get(i)), i)); + println(";"); + } + } + + } + + + /** + * HELPER: writeMethodHelperReturnJavaSkeleton() writes return statement part in skeleton + */ + private void writeMethodHelperReturnJavaSkeleton(InterfaceDecl intDecl, List methParams, + List methPrmTypes, String method, boolean isCallbackMethod, String callbackType, + boolean isStructMethod) { + + checkAndWriteEnumTypeJavaSkeleton(methParams, methPrmTypes, isStructMethod); + Map mapStubParam = null; + if (isCallbackMethod) { + println("try {"); + mapStubParam = writeCallbackJavaStubGeneration(methParams, methPrmTypes, callbackType, isStructMethod); + } + // Check if this is "void" + String retType = intDecl.getMethodType(method); + if (retType.equals("void")) { + print(intDecl.getMethodId(method) + "("); + } else if (isEnumClass(getSimpleArrayType(getGenericType(retType)))) { // Enum type + checkAndWriteEnumRetTypeJavaSkeleton(retType, intDecl.getMethodId(method)); + } else if (isStructClass(getSimpleArrayType(getGenericType(retType)))) { // Struct type + print(retType + " retStruct = " + intDecl.getMethodId(method) + "("); + } else { // We do have a return value + print("Object retObj = " + intDecl.getMethodId(method) + "("); + } + for (int i = 0; i < methParams.size(); i++) { + + String paramType = methPrmTypes.get(i); + if (isCallbackMethod && checkCallbackType(paramType, callbackType)) { + print(mapStubParam.get(i)); // Get the callback parameter + } else if (isEnumClass(getGenericType(paramType))) { // Enum class + print(getEnumParam(paramType, methParams.get(i), i)); + } else if (isStructClass(getGenericType(paramType))) { + print("paramStruct" + i); + } else { + String prmType = checkAndGetArray(paramType, methParams.get(i)); + if (isStructMethod) + print("(" + prmType + ") paramObj[offset" + i + "]"); + else + print("(" + prmType + ") paramObj[" + i + "]"); + } + if (i != methParams.size() - 1) + print(", "); + } + println(");"); + if (!retType.equals("void")) { + if (isEnumClass(getSimpleArrayType(getGenericType(retType)))) { // Enum type + checkAndWriteEnumRetConvJavaSkeleton(retType); + println("rmiObj.sendReturnObj(retObj);"); + } else if (isStructClass(getSimpleArrayType(getGenericType(retType)))) { // Struct type + writeStructReturnJavaSkeleton(getSimpleArrayType(getGenericType(retType)), retType); + println("rmiObj.sendReturnObj(retCls, retObj);"); + } else + println("rmiObj.sendReturnObj(retObj);"); + } + if (isCallbackMethod) { // Catch exception if this is callback + print("}"); + println(" catch(Exception ex) {"); + println("ex.printStackTrace();"); + println("throw new Error(\"Exception from callback object instantiation!\");"); + println("}"); + } + } + + + /** + * HELPER: writeMethodHelperStructJavaSkeleton() writes the struct in skeleton + */ + private void writeMethodHelperStructJavaSkeleton(InterfaceDecl intDecl, List methParams, + List methPrmTypes, String method, Set callbackClasses) { + + // Generate array of parameter objects + boolean isCallbackMethod = false; + String callbackType = null; + print("int paramLen = "); + writeLengthStructParamClassSkeleton(methParams, methPrmTypes, method, intDecl); + println(";"); + println("Class[] paramCls = new Class[paramLen];"); + println("Class[] paramClsGen = new Class[paramLen];"); + println("int pos = 0;"); + // Iterate again over the parameters + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + writeStructMembersJavaSkeleton(simpleType, paramType, param, method, intDecl, i); + } else { + String prmType = returnGenericCallbackType(methPrmTypes.get(i)); + if (callbackClasses.contains(prmType)) { + isCallbackMethod = true; + callbackType = prmType; + println("paramCls[pos] = int.class;"); + println("paramClsGen[pos++] = null;"); + } else { // Generate normal classes if it's not a callback object + String paramTypeOth = checkAndGetArray(methPrmTypes.get(i), methParams.get(i)); + println("paramCls[pos] = " + getSimpleType(getEnumType(paramTypeOth)) + ".class;"); + print("paramClsGen[pos++] = "); + String prmTypeOth = methPrmTypes.get(i); + if (getParamCategory(prmTypeOth) == ParamCategory.NONPRIMITIVES) + println(getTypeOfGeneric(prmType)[0] + ".class;"); + else + println("null;"); + } + } + } + println("Object[] paramObj = rmiObj.getMethodParams(paramCls, paramClsGen);"); + writeStructMembersInitJavaSkeleton(intDecl, methParams, methPrmTypes, method); + // Write the return value part + writeMethodHelperReturnJavaSkeleton(intDecl, methParams, methPrmTypes, method, isCallbackMethod, callbackType, true); + } + + + /** + * HELPER: writeStdMethodHelperBodyJavaSkeleton() writes the standard method body helper in the skeleton class + */ + private void writeStdMethodHelperBodyJavaSkeleton(InterfaceDecl intDecl, List methParams, + List methPrmTypes, String method, Set callbackClasses) { + + // Generate array of parameter objects + boolean isCallbackMethod = false; + String callbackType = null; + print("Object[] paramObj = rmiObj.getMethodParams(new Class[] { "); + for (int i = 0; i < methParams.size(); i++) { + + String paramType = returnGenericCallbackType(methPrmTypes.get(i)); + if (callbackClasses.contains(paramType)) { + isCallbackMethod = true; + callbackType = paramType; + print("int.class"); + } else { // Generate normal classes if it's not a callback object + String prmType = checkAndGetArray(methPrmTypes.get(i), methParams.get(i)); + print(getSimpleType(getEnumType(prmType)) + ".class"); + } + if (i != methParams.size() - 1) + print(", "); + } + println(" }, "); + // Generate generic class if it's a generic type.. null otherwise + print("new Class[] { "); + for (int i = 0; i < methParams.size(); i++) { + String prmType = methPrmTypes.get(i); + if ((getParamCategory(prmType) == ParamCategory.NONPRIMITIVES) && + !isEnumClass(getGenericType(prmType)) && + !callbackClasses.contains(getGenericType(prmType))) + print(getGenericType(prmType) + ".class"); + else + print("null"); + if (i != methParams.size() - 1) + print(", "); + } + println(" });"); + // Write the return value part + writeMethodHelperReturnJavaSkeleton(intDecl, methParams, methPrmTypes, method, isCallbackMethod, callbackType, false); + } + + + /** + * HELPER: writeMethodHelperJavaSkeleton() writes the method helper of the skeleton class + */ + private void writeMethodHelperJavaSkeleton(Collection methods, InterfaceDecl intDecl, Set callbackClasses) { + + // Use this set to handle two same methodIds + Set uniqueMethodIds = new HashSet(); + for (String method : methods) { + + List methParams = intDecl.getMethodParams(method); + List methPrmTypes = intDecl.getMethodParamTypes(method); + if (isStructPresent(methParams, methPrmTypes)) { // Treat struct differently + String methodId = intDecl.getMethodId(method); + print("public void ___"); + String helperMethod = methodId; + if (uniqueMethodIds.contains(methodId)) + helperMethod = helperMethod + intDecl.getMethodNumId(method); + else + uniqueMethodIds.add(methodId); + String retType = intDecl.getMethodType(method); + print(helperMethod + "("); + boolean begin = true; + for (int i = 0; i < methParams.size(); i++) { // Print size variables + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + if (!begin) // Generate comma for not the beginning variable + print(", "); + else + begin = false; + int methodNumId = intDecl.getMethodNumId(method); + print("int struct" + methodNumId + "Size" + i); + } + } + // Check if this is "void" + if (retType.equals("void")) + println(") {"); + else + println(") throws IOException {"); + writeMethodHelperStructJavaSkeleton(intDecl, methParams, methPrmTypes, method, callbackClasses); + println("}\n"); + } else { + String methodId = intDecl.getMethodId(method); + print("public void ___"); + String helperMethod = methodId; + if (uniqueMethodIds.contains(methodId)) + helperMethod = helperMethod + intDecl.getMethodNumId(method); + else + uniqueMethodIds.add(methodId); + // Check if this is "void" + String retType = intDecl.getMethodType(method); + if (retType.equals("void")) + println(helperMethod + "() {"); + else + println(helperMethod + "() throws IOException {"); + // Now, write the helper body of skeleton! + writeStdMethodHelperBodyJavaSkeleton(intDecl, methParams, methPrmTypes, method, callbackClasses); + println("}\n"); + } + } + // Write method helper for structs + writeMethodHelperStructSetupJavaSkeleton(methods, intDecl); + } + + + /** + * HELPER: writeMethodHelperStructSetupJavaSkeleton() writes the method helper of struct setup in skeleton class + */ + private void writeMethodHelperStructSetupJavaSkeleton(Collection methods, + InterfaceDecl intDecl) { + + // Use this set to handle two same methodIds + for (String method : methods) { + + List methParams = intDecl.getMethodParams(method); + List methPrmTypes = intDecl.getMethodParamTypes(method); + // Check for params with structs + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + int methodNumId = intDecl.getMethodNumId(method); + print("public int ___"); + String helperMethod = methodNumId + "struct" + i; + println(helperMethod + "() {"); + // Now, write the helper body of skeleton! + println("Object[] paramObj = rmiObj.getMethodParams(new Class[] { int.class }, new Class[] { null });"); + println("return (int) paramObj[0];"); + println("}\n"); + } + } + } + } + + + /** + * HELPER: writeMethodHelperStructSetupJavaCallbackSkeleton() writes the method helper of struct setup in callback skeleton class + */ + private void writeMethodHelperStructSetupJavaCallbackSkeleton(Collection methods, + InterfaceDecl intDecl) { + + // Use this set to handle two same methodIds + for (String method : methods) { + + List methParams = intDecl.getMethodParams(method); + List methPrmTypes = intDecl.getMethodParamTypes(method); + // Check for params with structs + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + int methodNumId = intDecl.getMethodNumId(method); + print("public int ___"); + String helperMethod = methodNumId + "struct" + i; + println(helperMethod + "(IoTRMIObject rmiObj) {"); + // Now, write the helper body of skeleton! + println("Object[] paramObj = rmiObj.getMethodParams(new Class[] { int.class }, new Class[] { null });"); + println("return (int) paramObj[0];"); + println("}\n"); + } + } + } + } + + + /** + * HELPER: writeCountVarStructSkeleton() writes counter variable of struct for skeleton + */ + private void writeCountVarStructSkeleton(Collection methods, InterfaceDecl intDecl) { + + // Use this set to handle two same methodIds + for (String method : methods) { + + List methParams = intDecl.getMethodParams(method); + List methPrmTypes = intDecl.getMethodParamTypes(method); + // Check for params with structs + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + int methodNumId = intDecl.getMethodNumId(method); + println("int struct" + methodNumId + "Size" + i + " = 0;"); + } + } + } + } + + + /** + * HELPER: writeInputCountVarStructSkeleton() writes input counter variable of struct for skeleton + */ + private boolean writeInputCountVarStructSkeleton(String method, InterfaceDecl intDecl) { + + List methParams = intDecl.getMethodParams(method); + List methPrmTypes = intDecl.getMethodParamTypes(method); + boolean structExist = false; + boolean begin = true; + // Check for params with structs + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + structExist = true; + if (!begin) + print(", "); + else + begin = false; + int methodNumId = intDecl.getMethodNumId(method); + print("struct" + methodNumId + "Size" + i); + } + } + return structExist; + } + + + /** + * HELPER: writeMethodCallStructSkeleton() writes method call for wait invoke in skeleton + */ + private void writeMethodCallStructSkeleton(Collection methods, InterfaceDecl intDecl) { + + // Use this set to handle two same methodIds + for (String method : methods) { + + List methParams = intDecl.getMethodParams(method); + List methPrmTypes = intDecl.getMethodParamTypes(method); + // Check for params with structs + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + int methodNumId = intDecl.getMethodNumId(method); + print("case "); + String helperMethod = methodNumId + "struct" + i; + String tempVar = "struct" + methodNumId + "Size" + i; + print(intDecl.getHelperMethodNumId(helperMethod) + ": "); + print(tempVar + " = ___"); + println(helperMethod + "(); break;"); + } + } + } + } + + + /** + * HELPER: writeMethodCallStructCallbackSkeleton() writes method call for wait invoke in skeleton + */ + private void writeMethodCallStructCallbackSkeleton(Collection methods, InterfaceDecl intDecl) { + + // Use this set to handle two same methodIds + for (String method : methods) { + + List methParams = intDecl.getMethodParams(method); + List methPrmTypes = intDecl.getMethodParamTypes(method); + // Check for params with structs + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + int methodNumId = intDecl.getMethodNumId(method); + print("case "); + String helperMethod = methodNumId + "struct" + i; + String tempVar = "struct" + methodNumId + "Size" + i; + print(intDecl.getHelperMethodNumId(helperMethod) + ": "); + print(tempVar + " = ___"); + println(helperMethod + "(rmiObj); break;"); + } + } + } + } + + + /** + * HELPER: writeJavaMethodPermission() writes permission checks in skeleton + */ + private void writeJavaMethodPermission(String intface) { + + // Get all the different stubs + Map> mapNewIntMethods = mapInt2NewInts.get(intface); + for (Map.Entry> intMeth : mapNewIntMethods.entrySet()) { + String newIntface = intMeth.getKey(); + int newObjectId = getNewIntfaceObjectId(newIntface); + println("if (_objectId == object" + newObjectId + "Id) {"); + println("if (!set" + newObjectId + "Allowed.contains(methodId)) {"); + println("throw new Error(\"Object with object Id: \" + _objectId + \" is not allowed to access method: \" + methodId);"); + println("}"); + println("}"); + println("else {"); + println("throw new Error(\"Object Id: \" + _objectId + \" not recognized!\");"); + println("}"); + } + } + + + /** + * HELPER: writeJavaWaitRequestInvokeMethod() writes the main loop of the skeleton class + */ + private void writeJavaWaitRequestInvokeMethod(Collection methods, InterfaceDecl intDecl, boolean callbackExist, String intface) { + + // Use this set to handle two same methodIds + Set uniqueMethodIds = new HashSet(); + println("private void ___waitRequestInvokeMethod() throws IOException {"); + // Write variables here if we have callbacks or enums or structs + writeCountVarStructSkeleton(methods, intDecl); + println("while (true) {"); + println("rmiObj.getMethodBytes();"); + println("int _objectId = rmiObj.getObjectId();"); println("int methodId = rmiObj.getMethodId();"); - // TODO: code the permission check here! + // Generate permission check + writeJavaMethodPermission(intface); println("switch (methodId) {"); // Print methods and method Ids for (String method : methods) { @@ -1046,7 +2094,9 @@ public class IoTCompiler { helperMethod = helperMethod + methodNumId; else uniqueMethodIds.add(methodId); - println(helperMethod + "(); break;"); + print(helperMethod + "("); + writeInputCountVarStructSkeleton(method, intDecl); + println("); break;"); } String method = "___initCallBack()"; // Print case -9999 (callback handler) if callback exists @@ -1054,6 +2104,7 @@ public class IoTCompiler { int methodId = intDecl.getHelperMethodNumId(method); println("case " + methodId + ": ___regCB(); break;"); } + writeMethodCallStructSkeleton(methods, intDecl); println("default: "); println("throw new Error(\"Method Id \" + methodId + \" not recognized!\");"); println("}"); @@ -1080,7 +2131,7 @@ public class IoTCompiler { List methods = intDecl.getMethods(); Set importClasses = getImportClasses(methods, intDecl); List stdImportClasses = getStandardJavaImportClasses(); - List allImportClasses = getAllImportClasses(stdImportClasses, importClasses); + List allImportClasses = getAllLibClasses(stdImportClasses, importClasses); printImportStatements(allImportClasses); // Find out if there are callback objects Set callbackClasses = getCallbackClasses(methods, intDecl); @@ -1089,15 +2140,15 @@ public class IoTCompiler { println(""); println("public class " + newSkelClass + " implements " + intface + " {\n"); // Write properties - writePropertiesJavaSkeleton(intface, callbackExist); + writePropertiesJavaSkeleton(intface, callbackExist, intDecl); // Write constructor - writeConstructorJavaSkeleton(newSkelClass, intface); + writeConstructorJavaSkeleton(newSkelClass, intface, intDecl, methods, callbackExist); // Write methods - writeMethodJavaSkeleton(methods, intDecl, callbackClasses); + writeMethodJavaSkeleton(methods, intDecl, callbackClasses, false); // Write method helper writeMethodHelperJavaSkeleton(methods, intDecl, callbackClasses); // Write waitRequestInvokeMethod() - main loop - writeJavaWaitRequestInvokeMethod(methods, intDecl, callbackExist); + writeJavaWaitRequestInvokeMethod(methods, intDecl, callbackExist, intface); println("}"); pw.close(); System.out.println("IoTCompiler: Generated skeleton class " + newSkelClass + ".java..."); @@ -1112,7 +2163,7 @@ public class IoTCompiler { println("private " + intface + " mainObj;"); // For callback skeletons, this is its own object Id - println("private static int objectId = 0;"); + println("private int objectId = 0;"); // Callback if (callbackExist) { println("private static int objIdCnt = 0;"); @@ -1125,7 +2176,7 @@ public class IoTCompiler { /** * HELPER: writeConstructorJavaCallbackSkeleton() writes the constructor of the skeleton class */ - private void writeConstructorJavaCallbackSkeleton(String newSkelClass, String intface) { + private void writeConstructorJavaCallbackSkeleton(String newSkelClass, String intface, InterfaceDecl intDecl, Collection methods) { println("public " + newSkelClass + "(" + intface + " _mainObj, int _objectId) throws Exception {"); println("mainObj = _mainObj;"); @@ -1145,28 +2196,63 @@ public class IoTCompiler { List methParams = intDecl.getMethodParams(method); List methPrmTypes = intDecl.getMethodParamTypes(method); - String methodId = intDecl.getMethodId(method); - print("public void ___"); - String helperMethod = methodId; - if (uniqueMethodIds.contains(methodId)) - helperMethod = helperMethod + intDecl.getMethodNumId(method); - else - uniqueMethodIds.add(methodId); - // Check if this is "void" - String retType = intDecl.getMethodType(method); - if (retType.equals("void")) - println(helperMethod + "(IoTRMIObject rmiObj) {"); - else - println(helperMethod + "(IoTRMIObject rmiObj) throws IOException {"); - // Now, write the helper body of skeleton! - writeStdMethodHelperBodyJavaSkeleton(intDecl, methParams, methPrmTypes, method, callbackClasses); - println("}\n"); + if (isStructPresent(methParams, methPrmTypes)) { // Treat struct differently + String methodId = intDecl.getMethodId(method); + print("public void ___"); + String helperMethod = methodId; + if (uniqueMethodIds.contains(methodId)) + helperMethod = helperMethod + intDecl.getMethodNumId(method); + else + uniqueMethodIds.add(methodId); + String retType = intDecl.getMethodType(method); + print(helperMethod + "("); + boolean begin = true; + for (int i = 0; i < methParams.size(); i++) { // Print size variables + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + if (!begin) // Generate comma for not the beginning variable + print(", "); + else + begin = false; + int methodNumId = intDecl.getMethodNumId(method); + print("int struct" + methodNumId + "Size" + i); + } + } + // Check if this is "void" + if (retType.equals("void")) + println(", IoTRMIObject rmiObj) {"); + else + println(", IoTRMIObject rmiObj) throws IOException {"); + writeMethodHelperStructJavaSkeleton(intDecl, methParams, methPrmTypes, method, callbackClasses); + println("}\n"); + } else { + String methodId = intDecl.getMethodId(method); + print("public void ___"); + String helperMethod = methodId; + if (uniqueMethodIds.contains(methodId)) + helperMethod = helperMethod + intDecl.getMethodNumId(method); + else + uniqueMethodIds.add(methodId); + // Check if this is "void" + String retType = intDecl.getMethodType(method); + if (retType.equals("void")) + println(helperMethod + "(IoTRMIObject rmiObj) {"); + else + println(helperMethod + "(IoTRMIObject rmiObj) throws IOException {"); + // Now, write the helper body of skeleton! + writeStdMethodHelperBodyJavaSkeleton(intDecl, methParams, methPrmTypes, method, callbackClasses); + println("}\n"); + } } + // Write method helper for structs + writeMethodHelperStructSetupJavaCallbackSkeleton(methods, intDecl); } /** - * HELPER: writeJavaCallbackWaitRequestInvokeMethod() writes the main loop of the skeleton class + * HELPER: writeJavaCallbackWaitRequestInvokeMethod() writes the request invoke method of the callback skeleton class */ private void writeJavaCallbackWaitRequestInvokeMethod(Collection methods, InterfaceDecl intDecl, boolean callbackExist) { @@ -1174,6 +2260,8 @@ public class IoTCompiler { Set uniqueMethodIds = new HashSet(); println("public void invokeMethod(IoTRMIObject rmiObj) throws IOException {"); // Write variables here if we have callbacks or enums or structs + writeCountVarStructSkeleton(methods, intDecl); + // Write variables here if we have callbacks or enums or structs println("int methodId = rmiObj.getMethodId();"); // TODO: code the permission check here! println("switch (methodId) {"); @@ -1187,14 +2275,19 @@ public class IoTCompiler { helperMethod = helperMethod + methodNumId; else uniqueMethodIds.add(methodId); - println(helperMethod + "(rmiObj); break;"); + print(helperMethod + "("); + if (writeInputCountVarStructSkeleton(method, intDecl)) + println(", rmiObj); break;"); + else + println("rmiObj); break;"); } String method = "___initCallBack()"; // Print case -9999 (callback handler) if callback exists if (callbackExist) { int methodId = intDecl.getHelperMethodNumId(method); - println("case " + methodId + ": ___regCB(); break;"); + println("case " + methodId + ": ___regCB(rmiObj); break;"); } + writeMethodCallStructCallbackSkeleton(methods, intDecl); println("default: "); println("throw new Error(\"Method Id \" + methodId + \" not recognized!\");"); println("}"); @@ -1220,7 +2313,7 @@ public class IoTCompiler { List methods = intDecl.getMethods(); Set importClasses = getImportClasses(methods, intDecl); List stdImportClasses = getStandardJavaImportClasses(); - List allImportClasses = getAllImportClasses(stdImportClasses, importClasses); + List allImportClasses = getAllLibClasses(stdImportClasses, importClasses); printImportStatements(allImportClasses); // Find out if there are callback objects Set callbackClasses = getCallbackClasses(methods, intDecl); @@ -1231,9 +2324,9 @@ public class IoTCompiler { // Write properties writePropertiesJavaCallbackSkeleton(intface, callbackExist); // Write constructor - writeConstructorJavaCallbackSkeleton(newSkelClass, intface); + writeConstructorJavaCallbackSkeleton(newSkelClass, intface, intDecl, methods); // Write methods - writeMethodJavaSkeleton(methods, intDecl, callbackClasses); + writeMethodJavaSkeleton(methods, intDecl, callbackClasses, true); // Write method helper writeMethodHelperJavaCallbackSkeleton(methods, intDecl, callbackClasses); // Write waitRequestInvokeMethod() - main loop @@ -1245,6 +2338,35 @@ public class IoTCompiler { } + /** + * HELPER: writeMethodCplusLocalInterface() writes the method of the local interface + */ + private void writeMethodCplusLocalInterface(Collection methods, InterfaceDecl intDecl) { + + for (String method : methods) { + + List methParams = intDecl.getMethodParams(method); + List methPrmTypes = intDecl.getMethodParamTypes(method); + print("virtual " + checkAndGetCplusType(intDecl.getMethodType(method)) + " " + + intDecl.getMethodId(method) + "("); + for (int i = 0; i < methParams.size(); i++) { + // Check for params with driver class types and exchange it + // with its remote interface + String paramType = checkAndGetParamClass(methPrmTypes.get(i)); + paramType = checkAndGetCplusType(paramType); + // Check for arrays - translate into vector in C++ + String paramComplete = checkAndGetCplusArray(paramType, methParams.get(i)); + print(paramComplete); + // Check if this is the last element (don't print a comma) + if (i != methParams.size() - 1) { + print(", "); + } + } + println(") = 0;"); + } + } + + /** * HELPER: writeMethodCplusInterface() writes the method of the interface */ @@ -1259,7 +2381,6 @@ public class IoTCompiler { for (int i = 0; i < methParams.size(); i++) { // Check for params with driver class types and exchange it // with its remote interface - //String paramType = checkAndGetParamClass(methPrmTypes.get(i), true); String paramType = methPrmTypes.get(i); paramType = checkAndGetCplusType(paramType); // Check for arrays - translate into vector in C++ @@ -1276,52 +2397,83 @@ public class IoTCompiler { /** - * HELPER: writeEnumCplus() writes the enumeration declaration + * HELPER: generateEnumCplus() writes the enumeration declaration */ - private void writeEnumCplus(EnumDecl enumDecl) { - - Set enumTypes = enumDecl.getEnumDeclarations(); - // Iterate over enum declarations - for (String enType : enumTypes) { - - println("enum " + enType + " {"); - List enumMembers = enumDecl.getMembers(enType); - for (int i = 0; i < enumMembers.size(); i++) { + public void generateEnumCplus() throws IOException { - String member = enumMembers.get(i); - print(member); - // Check if this is the last element (don't print a comma) - if (i != enumMembers.size() - 1) - println(","); - else - println(""); + // Create a new directory + createDirectory(dir); + for (String intface : mapIntfacePTH.keySet()) { + // Get the right StructDecl + DeclarationHandler decHandler = mapIntDeclHand.get(intface); + EnumDecl enumDecl = (EnumDecl) decHandler.getEnumDecl(intface); + Set enumTypes = enumDecl.getEnumDeclarations(); + // Iterate over enum declarations + for (String enType : enumTypes) { + // Open a new file to write into + FileWriter fw = new FileWriter(dir + "/" + enType + ".hpp"); + pw = new PrintWriter(new BufferedWriter(fw)); + // Write file headers + println("#ifndef _" + enType.toUpperCase() + "_HPP__"); + println("#define _" + enType.toUpperCase() + "_HPP__"); + println("enum " + enType + " {"); + List enumMembers = enumDecl.getMembers(enType); + for (int i = 0; i < enumMembers.size(); i++) { + + String member = enumMembers.get(i); + print(member); + // Check if this is the last element (don't print a comma) + if (i != enumMembers.size() - 1) + println(","); + else + println(""); + } + println("};\n"); + println("#endif"); + pw.close(); + System.out.println("IoTCompiler: Generated enum " + enType + ".hpp..."); } - println("};\n"); } } /** - * HELPER: writeStructCplus() writes the struct declaration + * HELPER: generateStructCplus() writes the struct declaration */ - private void writeStructCplus(StructDecl structDecl) { + public void generateStructCplus() throws IOException { - List structTypes = structDecl.getStructTypes(); - // Iterate over enum declarations - for (String stType : structTypes) { - - println("struct " + stType + " {"); - List structMemberTypes = structDecl.getMemberTypes(stType); - List structMembers = structDecl.getMembers(stType); - for (int i = 0; i < structMembers.size(); i++) { - - String memberType = structMemberTypes.get(i); - String member = structMembers.get(i); - String structTypeC = checkAndGetCplusType(memberType); - String structComplete = checkAndGetCplusArray(structTypeC, member); - println(structComplete + ";"); + // Create a new directory + createDirectory(dir); + for (String intface : mapIntfacePTH.keySet()) { + // Get the right StructDecl + DeclarationHandler decHandler = mapIntDeclHand.get(intface); + StructDecl structDecl = (StructDecl) decHandler.getStructDecl(intface); + List structTypes = structDecl.getStructTypes(); + // Iterate over enum declarations + for (String stType : structTypes) { + // Open a new file to write into + FileWriter fw = new FileWriter(dir + "/" + stType + ".hpp"); + pw = new PrintWriter(new BufferedWriter(fw)); + // Write file headers + println("#ifndef _" + stType.toUpperCase() + "_HPP__"); + println("#define _" + stType.toUpperCase() + "_HPP__"); + println("using namespace std;"); + println("struct " + stType + " {"); + List structMemberTypes = structDecl.getMemberTypes(stType); + List structMembers = structDecl.getMembers(stType); + for (int i = 0; i < structMembers.size(); i++) { + + String memberType = structMemberTypes.get(i); + String member = structMembers.get(i); + String structTypeC = checkAndGetCplusType(memberType); + String structComplete = checkAndGetCplusArray(structTypeC, member); + println(structComplete + ";"); + } + println("};\n"); + println("#endif"); + pw.close(); + System.out.println("IoTCompiler: Generated struct " + stType + ".hpp..."); } - println("};\n"); } } @@ -1350,19 +2502,14 @@ public class IoTCompiler { DeclarationHandler decHandler = mapIntDeclHand.get(intface); InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface); List methods = intDecl.getMethods(); - Set includeClasses = getIncludeClasses(methods, intDecl); + Set includeClasses = getIncludeClasses(methods, intDecl, intface, true); printIncludeStatements(includeClasses); println(""); println("using namespace std;\n"); - // Write enum if any... - EnumDecl enumDecl = (EnumDecl) decHandler.getEnumDecl(intface); - writeEnumCplus(enumDecl); - // Write struct if any... - StructDecl structDecl = (StructDecl) decHandler.getStructDecl(intface); - writeStructCplus(structDecl); + //writeStructCplus(structDecl); println("class " + intface); println("{"); println("public:"); // Write methods - writeMethodCplusInterface(methods, intDecl); + writeMethodCplusLocalInterface(methods, intDecl); println("};"); println("#endif"); pw.close(); @@ -1396,16 +2543,17 @@ public class IoTCompiler { println("#define _" + newIntface.toUpperCase() + "_HPP__"); println("#include "); // Pass in set of methods and get import classes - Set includeClasses = getIncludeClasses(intMeth.getValue(), intDecl); + Set methods = intMeth.getValue(); + Set includeClasses = getIncludeClasses(methods, intDecl, intface, false); List stdIncludeClasses = getStandardCplusIncludeClasses(); - List allIncludeClasses = getAllImportClasses(stdIncludeClasses, includeClasses); + List allIncludeClasses = getAllLibClasses(stdIncludeClasses, includeClasses); printIncludeStatements(allIncludeClasses); println(""); println("using namespace std;\n"); println("class " + newIntface); println("{"); println("public:"); // Write methods - writeMethodCplusInterface(intMeth.getValue(), intDecl); + writeMethodCplusInterface(methods, intDecl); println("};"); println("#endif"); pw.close(); @@ -1416,21 +2564,29 @@ public class IoTCompiler { /** - * HELPER: writeMethodCplusStub() writes the method of the stub + * HELPER: writeMethodCplusStub() writes the methods of the stub */ - private void writeMethodCplusStub(Collection methods, InterfaceDecl intDecl) { + private void writeMethodCplusStub(Collection methods, InterfaceDecl intDecl, Set callbackClasses) { + boolean isDefined = false; for (String method : methods) { List methParams = intDecl.getMethodParams(method); List methPrmTypes = intDecl.getMethodParamTypes(method); print(checkAndGetCplusType(intDecl.getMethodType(method)) + " " + intDecl.getMethodId(method) + "("); + boolean isCallbackMethod = false; + String callbackType = null; for (int i = 0; i < methParams.size(); i++) { - //String paramType = checkAndGetParamClass(methPrmTypes.get(i), true); - String paramType = methPrmTypes.get(i); - String methPrmType = checkAndGetCplusType(paramType); + String paramType = returnGenericCallbackType(methPrmTypes.get(i)); + // Check if this has callback object + if (callbackClasses.contains(paramType)) { + isCallbackMethod = true; + callbackType = paramType; + // Even if there're 2 callback arguments, we expect them to be of the same interface + } + String methPrmType = checkAndGetCplusType(methPrmTypes.get(i)); String methParamComplete = checkAndGetCplusArray(methPrmType, methParams.get(i)); print(methParamComplete); // Check if this is the last element (don't print a comma) @@ -1439,9 +2595,321 @@ public class IoTCompiler { } } println(") { "); - writeStdMethodBodyCplusStub(intDecl, methParams, methPrmTypes, method); + if (isCallbackMethod) + writeCallbackMethodBodyCplusStub(intDecl, methParams, methPrmTypes, method, callbackType); + writeStdMethodBodyCplusStub(intDecl, methParams, methPrmTypes, method, callbackType, isCallbackMethod); println("}\n"); + // Write the init callback helper method + if (isCallbackMethod && !isDefined) { + writeInitCallbackCplusStub(callbackType, intDecl); + writeInitCallbackSendInfoCplusStub(intDecl); + isDefined = true; + } + } + } + + + /** + * HELPER: writeCallbackMethodBodyCplusStub() writes the callback method of the stub class + */ + private void writeCallbackMethodBodyCplusStub(InterfaceDecl intDecl, List methParams, + List methPrmTypes, String method, String callbackType) { + + // Check if this is single object, array, or list of objects + boolean isArrayOrList = false; + String callbackParam = null; + for (int i = 0; i < methParams.size(); i++) { + + String paramType = methPrmTypes.get(i); + if (checkCallbackType(paramType, callbackType)) { // Check if this has callback object + String param = methParams.get(i); + if (isArrayOrList(paramType, param)) { // Generate loop + println("for (" + getGenericType(paramType) + "* cb : " + getSimpleIdentifier(param) + ") {"); + println(callbackType + "_CallbackSkeleton* skel" + i + " = new " + callbackType + "_CallbackSkeleton(cb, objIdCnt++);"); + isArrayOrList = true; + callbackParam = getSimpleIdentifier(param); + } else + println(callbackType + "_CallbackSkeleton* skel" + i + " = new " + callbackType + "_CallbackSkeleton(" + + getSimpleIdentifier(param) + ", objIdCnt++);"); + println("vecCallbackObj.push_back(skel" + i + ");"); + if (isArrayOrList) + println("}"); + print("int ___paramCB" + i + " = "); + if (isArrayOrList) + println(callbackParam + ".size();"); + else + println("1;"); + } + } + } + + + /** + * HELPER: checkAndWriteEnumTypeCplusStub() writes the enum type (convert from enum to int) + */ + private void checkAndWriteEnumTypeCplusStub(List methParams, List methPrmTypes) { + + // Iterate and find enum declarations + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + if (isEnumClass(getGenericType(paramType))) { + // Check if this is enum type + if (isArrayOrList(paramType, param)) { // An array or vector + println("int len" + i + " = " + getSimpleIdentifier(param) + ".size();"); + println("vector paramEnum" + i + "(len" + i + ");"); + println("for (int i = 0; i < len" + i + "; i++) {"); + println("paramEnum" + i + "[i] = (int) " + getSimpleIdentifier(param) + "[i];"); + println("}"); + } else { // Just one element + println("vector paramEnum" + i + "(1);"); + println("paramEnum" + i + "[0] = (int) " + param + ";"); + } + } + } + } + + + /** + * HELPER: checkAndWriteEnumRetTypeCplusStub() writes the enum return type (convert from enum to int) + */ + private void checkAndWriteEnumRetTypeCplusStub(String retType) { + + // Strips off array "[]" for return type + String pureType = getSimpleArrayType(getGenericType(retType)); + // Take the inner type of generic + if (getParamCategory(retType) == ParamCategory.NONPRIMITIVES) + pureType = getGenericType(retType); + if (isEnumClass(pureType)) { + // Check if this is enum type + println("vector retEnumInt;"); + println("void* retObj = &retEnumInt;"); + println("rmiCall->remoteCall(objectId, methodId, retType, paramCls, paramObj, numParam, retObj);"); + if (isArrayOrList(retType, retType)) { // An array or vector + println("int retLen = retEnumInt.size();"); + println("vector<" + pureType + "> retVal(retLen);"); + println("for (int i = 0; i < retLen; i++) {"); + println("retVal[i] = (" + pureType + ") retEnumInt[i];"); + println("}"); + } else { // Just one element + println(pureType + " retVal = (" + pureType + ") retEnumInt[0];"); + } + println("return retVal;"); + } + } + + + /** + * HELPER: checkAndWriteStructSetupCplusStub() writes the struct type setup + */ + private void checkAndWriteStructSetupCplusStub(List methParams, List methPrmTypes, + InterfaceDecl intDecl, String method) { + + // Iterate and find struct declarations + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + // Check if this is enum type + println("int numParam" + i + " = 1;"); + int methodNumId = intDecl.getMethodNumId(method); + String helperMethod = methodNumId + "struct" + i; + println("int methodIdStruct" + i + " = " + intDecl.getHelperMethodNumId(helperMethod) + ";"); + println("string retTypeStruct" + i + " = \"void\";"); + println("string paramClsStruct" + i + "[] = { \"int\" };"); + print("int structLen" + i + " = "); + if (isArrayOrList(paramType, param)) { // An array + println(getSimpleArrayType(param) + ".size();"); + } else { // Just one element + println("1;"); + } + println("void* paramObjStruct" + i + "[] = { &structLen" + i + " };"); + println("void* retStructLen" + i + " = NULL;"); + println("rmiCall->remoteCall(objectId, methodIdStruct" + i + + ", retTypeStruct" + i + ", paramClsStruct" + i + ", paramObjStruct" + i + + ", numParam" + i + ", retStructLen" + i + ");\n"); + } + } + } + + + /** + * HELPER: writeLengthStructParamClassCplusStub() writes lengths of params + */ + private void writeLengthStructParamClassCplusStub(List methParams, List methPrmTypes) { + + // Iterate and find struct declarations - count number of params + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + int members = getNumOfMembers(simpleType); + if (isArrayOrList(paramType, param)) { // An array or list + String structLen = getSimpleIdentifier(param) + ".size()"; + print(members + "*" + structLen); + } else + print(Integer.toString(members)); + } else + print("1"); + if (i != methParams.size() - 1) { + print("+"); + } + } + } + + + /** + * HELPER: writeStructMembersCplusStub() writes member parameters of struct + */ + private void writeStructMembersCplusStub(String simpleType, String paramType, String param) { + + // Get the struct declaration for this struct and generate initialization code + StructDecl structDecl = getStructDecl(simpleType); + List memTypes = structDecl.getMemberTypes(simpleType); + List members = structDecl.getMembers(simpleType); + if (isArrayOrList(paramType, param)) { // An array or list + println("for(int i = 0; i < " + getSimpleIdentifier(param) + ".size(); i++) {"); + } + if (isArrayOrList(paramType, param)) { // An array or list + for (int i = 0; i < members.size(); i++) { + String prmTypeC = checkAndGetCplusArgClsType(memTypes.get(i), members.get(i)); + println("paramCls[pos] = \"" + prmTypeC + "\";"); + print("paramObj[pos++] = &" + getSimpleIdentifier(param) + "[i]."); + print(getSimpleIdentifier(members.get(i))); + println(";"); + } + println("}"); + } else { // Just one struct element + for (int i = 0; i < members.size(); i++) { + String prmTypeC = checkAndGetCplusArgClsType(memTypes.get(i), members.get(i)); + println("paramCls[pos] = \"" + prmTypeC + "\";"); + print("paramObj[pos++] = &" + param + "."); + print(getSimpleIdentifier(members.get(i))); + println(";"); + } + } + } + + + /** + * HELPER: writeStructParamClassCplusStub() writes member parameters of struct + */ + private void writeStructParamClassCplusStub(List methParams, List methPrmTypes, String callbackType) { + + print("int numParam = "); + writeLengthStructParamClassCplusStub(methParams, methPrmTypes); + println(";"); + println("void* paramObj[numParam];"); + println("string paramCls[numParam];"); + println("int pos = 0;"); + // Iterate again over the parameters + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + writeStructMembersCplusStub(simpleType, paramType, param); + } else if (checkCallbackType(paramType, callbackType)) { // Check if this has callback object + println("paramCls[pos] = \"int\";"); + println("paramObj[pos++] = &___paramCB" + i + ";"); + } else { + String prmTypeC = checkAndGetCplusArgClsType(methPrmTypes.get(i), methParams.get(i)); + println("paramCls[pos] = \"" + prmTypeC + "\";"); + print("paramObj[pos++] = &"); + print(getEnumParam(methPrmTypes.get(i), getSimpleIdentifier(methParams.get(i)), i)); + println(";"); + } + } + + } + + + /** + * HELPER: writeStructRetMembersCplusStub() writes member parameters of struct for return statement + */ + private void writeStructRetMembersCplusStub(String simpleType, String retType) { + + // Get the struct declaration for this struct and generate initialization code + StructDecl structDecl = getStructDecl(simpleType); + List memTypes = structDecl.getMemberTypes(simpleType); + List members = structDecl.getMembers(simpleType); + if (isArrayOrList(retType, retType)) { // An array or list + println("for(int i = 0; i < retLen; i++) {"); + } + if (isArrayOrList(retType, retType)) { // An array or list + for (int i = 0; i < members.size(); i++) { + String prmType = checkAndGetArray(memTypes.get(i), members.get(i)); + print("structRet[i]." + getSimpleIdentifier(members.get(i))); + println(" = retParam" + i + "[i];"); + } + println("}"); + } else { // Just one struct element + for (int i = 0; i < members.size(); i++) { + String prmType = checkAndGetArray(memTypes.get(i), members.get(i)); + print("structRet." + getSimpleIdentifier(members.get(i))); + println(" = retParam" + i + ";"); + } + } + println("return structRet;"); + } + + + /** + * HELPER: writeStructReturnCplusStub() writes member parameters of struct for return statement + */ + private void writeStructReturnCplusStub(String simpleType, String retType) { + + // Minimum retLen is 1 if this is a single struct object + println("int retLen = 0;"); + println("void* retLenObj = { &retLen };"); + // Handle the returned struct!!! + println("rmiCall->remoteCall(objectId, methodId, retType, paramCls, paramObj, numParam, retLenObj);"); + int numMem = getNumOfMembers(simpleType); + println("int numRet = " + numMem + "*retLen;"); + println("string retCls[numRet];"); + println("void* retObj[numRet];"); + StructDecl structDecl = getStructDecl(simpleType); + List memTypes = structDecl.getMemberTypes(simpleType); + List members = structDecl.getMembers(simpleType); + // Set up variables + if (isArrayOrList(retType, retType)) { // An array or list + for (int i = 0; i < members.size(); i++) { + String prmTypeC = checkAndGetCplusType(memTypes.get(i)); + String prmType = checkAndGetCplusArrayType(prmTypeC, members.get(i)); + println(getSimpleType(getEnumType(prmType)) + " retParam" + i + "[retLen];"); + } + } else { // Just one struct element + for (int i = 0; i < members.size(); i++) { + String prmTypeC = checkAndGetCplusType(memTypes.get(i)); + String prmType = checkAndGetCplusArrayType(prmTypeC, members.get(i)); + println(getSimpleType(getEnumType(prmType)) + " retParam" + i + ";"); + } + } + println("int retPos = 0;"); + // Get the struct declaration for this struct and generate initialization code + if (isArrayOrList(retType, retType)) { // An array or list + println("for(int i = 0; i < retLen; i++) {"); + for (int i = 0; i < members.size(); i++) { + String prmTypeC = checkAndGetCplusArgClsType(memTypes.get(i), members.get(i)); + println("retCls[retPos] = \"" + prmTypeC + "\";"); + println("retObj[retPos++] = &retParam" + i + "[i];"); + } + println("}"); + } else { // Just one struct element + for (int i = 0; i < members.size(); i++) { + String prmTypeC = checkAndGetCplusArgClsType(memTypes.get(i), members.get(i)); + println("retCls[retPos] = \"" + prmTypeC + "\";"); + println("retObj[retPos++] = &retParam" + i + ";"); + } } + println("rmiCall->getStructObjects(retCls, numRet, retObj);"); + if (isArrayOrList(retType, retType)) { // An array or list + println("vector<" + simpleType + "> structRet(retLen);"); + } else + println(simpleType + " structRet;"); + writeStructRetMembersCplusStub(simpleType, retType); } @@ -1449,47 +2917,72 @@ public class IoTCompiler { * HELPER: writeStdMethodBodyCplusStub() writes the standard method body in the stub class */ private void writeStdMethodBodyCplusStub(InterfaceDecl intDecl, List methParams, - List methPrmTypes, String method) { + List methPrmTypes, String method, String callbackType, boolean isCallbackMethod) { - println("int numParam = " + methParams.size() + ";"); + checkAndWriteStructSetupCplusStub(methParams, methPrmTypes, intDecl, method); println("int methodId = " + intDecl.getMethodNumId(method) + ";"); String retType = intDecl.getMethodType(method); - String retTypeC = checkAndGetCplusType(retType); - println("string retType = \"" + checkAndGetCplusArrayType(retTypeC) + "\";"); + println("string retType = \"" + checkAndGetCplusRetClsType(getStructType(getEnumType(retType))) + "\";"); + checkAndWriteEnumTypeCplusStub(methParams, methPrmTypes); // Generate array of parameter types - print("string paramCls[] = { "); - for (int i = 0; i < methParams.size(); i++) { - String paramTypeC = checkAndGetCplusType(methPrmTypes.get(i)); - String paramType = checkAndGetCplusArrayType(paramTypeC, methParams.get(i)); - print("\"" + paramType + "\""); - // Check if this is the last element (don't print a comma) - if (i != methParams.size() - 1) { - print(", "); + if (isStructPresent(methParams, methPrmTypes)) { + writeStructParamClassCplusStub(methParams, methPrmTypes, callbackType); + } else { + println("int numParam = " + methParams.size() + ";"); + print("string paramCls[] = { "); + for (int i = 0; i < methParams.size(); i++) { + String paramType = returnGenericCallbackType(methPrmTypes.get(i)); + if (checkCallbackType(paramType, callbackType)) { + print("\"int\""); + } else { + String paramTypeC = checkAndGetCplusArgClsType(methPrmTypes.get(i), methParams.get(i)); + print("\"" + paramTypeC + "\""); + } + // Check if this is the last element (don't print a comma) + if (i != methParams.size() - 1) { + print(", "); + } } - } - println(" };"); - // Generate array of parameter objects - print("void* paramObj[] = { "); - for (int i = 0; i < methParams.size(); i++) { - print("&" + checkAndGetCplusType(getSimpleIdentifier(methParams.get(i)))); - // Check if this is the last element (don't print a comma) - if (i != methParams.size() - 1) { - print(", "); + println(" };"); + // Generate array of parameter objects + print("void* paramObj[] = { "); + for (int i = 0; i < methParams.size(); i++) { + String paramType = returnGenericCallbackType(methPrmTypes.get(i)); + if (checkCallbackType(paramType, callbackType)) // Check if this has callback object + print("&___paramCB" + i); + else + print("&" + getEnumParam(methPrmTypes.get(i), getSimpleIdentifier(methParams.get(i)), i)); + // Check if this is the last element (don't print a comma) + if (i != methParams.size() - 1) { + print(", "); + } } + println(" };"); } - println(" };"); // Check if this is "void" if (retType.equals("void")) { println("void* retObj = NULL;"); println("rmiCall->remoteCall(objectId, methodId, retType, paramCls, paramObj, numParam, retObj);"); } else { // We do have a return value - if (getParamCategory(retType) == ParamCategory.NONPRIMITIVES) - println(checkAndGetCplusType(retType) + " retVal;"); - else - println(checkAndGetCplusType(retType) + " retVal = " + generateCplusInitializer(retType) + ";"); - println("void* retObj = &retVal;"); - println("rmiCall->remoteCall(objectId, methodId, retType, paramCls, paramObj, numParam, retObj);"); - println("return retVal;"); + // Generate array of parameter types + if (isStructClass(getGenericType(getSimpleArrayType(retType)))) { + writeStructReturnCplusStub(getGenericType(getSimpleArrayType(retType)), retType); + } else { + // Check if the return value NONPRIMITIVES + if (isEnumClass(getSimpleArrayType(getGenericType(retType)))) { + checkAndWriteEnumRetTypeCplusStub(retType); + } else { + //if (getParamCategory(retType) == ParamCategory.NONPRIMITIVES) + if (isArrayOrList(retType,retType)) + println(checkAndGetCplusType(retType) + " retVal;"); + else { + println(checkAndGetCplusType(retType) + " retVal = " + generateCplusInitializer(retType) + ";"); + } + println("void* retObj = &retVal;"); + println("rmiCall->remoteCall(objectId, methodId, retType, paramCls, paramObj, numParam, retObj);"); + println("return retVal;"); + } + } } } @@ -1497,17 +2990,41 @@ public class IoTCompiler { /** * HELPER: writePropertiesCplusStub() writes the properties of the stub class */ - private void writePropertiesCplusStub(String intface, String newIntface) { + private void writePropertiesCplusPermission(String intface) { + + Map> mapNewIntMethods = mapInt2NewInts.get(intface); + for (Map.Entry> intMeth : mapNewIntMethods.entrySet()) { + String newIntface = intMeth.getKey(); + int newObjectId = getNewIntfaceObjectId(newIntface); + println("const static int object" + newObjectId + "Id = " + newObjectId + ";\t//" + newIntface); + println("static set set" + newObjectId + "Allowed;"); + } + } + + /** + * HELPER: writePropertiesCplusStub() writes the properties of the stub class + */ + private void writePropertiesCplusStub(String intface, String newIntface, boolean callbackExist, Set callbackClasses) { println("IoTRMICall *rmiCall;"); - //println("IoTRMIObject\t\t\t*rmiObj;"); - println("string address;"); + println("string callbackAddress;"); println("vector ports;\n"); // Get the object Id Integer objId = mapIntfaceObjId.get(intface); println("const static int objectId = " + objId + ";"); mapNewIntfaceObjId.put(newIntface, objId); mapIntfaceObjId.put(intface, objId++); + if (callbackExist) { + // We assume that each class only has one callback interface for now + Iterator it = callbackClasses.iterator(); + String callbackType = (String) it.next(); + println("// Callback properties"); + println("IoTRMIObject *rmiObj;"); + println("vector<" + callbackType + "*> vecCallbackObj;"); + println("static int objIdCnt;"); + // Generate permission stuff for callback stubs + writePropertiesCplusPermission(callbackType); + } println("\n"); } @@ -1515,13 +3032,20 @@ public class IoTCompiler { /** * HELPER: writeConstructorCplusStub() writes the constructor of the stub class */ - private void writeConstructorCplusStub(String newStubClass) { + private void writeConstructorCplusStub(String newStubClass, boolean callbackExist, Set callbackClasses) { println(newStubClass + - "(int _port, const char* _address, int _rev, bool* _bResult, vector _ports) {"); - println("address = _address;"); + "(int _port, const char* _skeletonAddress, const char* _callbackAddress, int _rev, bool* _bResult, vector _ports) {"); + println("callbackAddress = _callbackAddress;"); println("ports = _ports;"); - println("rmiCall = new IoTRMICall(_port, _address, _rev, _bResult);"); + println("rmiCall = new IoTRMICall(_port, _skeletonAddress, _rev, _bResult);"); + if (callbackExist) { + Iterator it = callbackClasses.iterator(); + String callbackType = (String) it.next(); + println("thread th1 (&" + newStubClass + "::___initCallBack, this);"); + println("th1.detach();"); + println("___regCB();"); + } println("}\n"); } @@ -1529,16 +3053,113 @@ public class IoTCompiler { /** * HELPER: writeDeconstructorCplusStub() writes the deconstructor of the stub class */ - private void writeDeconstructorCplusStub(String newStubClass) { + private void writeDeconstructorCplusStub(String newStubClass, boolean callbackExist, Set callbackClasses) { println("~" + newStubClass + "() {"); println("if (rmiCall != NULL) {"); println("delete rmiCall;"); println("rmiCall = NULL;"); println("}"); + if (callbackExist) { + // We assume that each class only has one callback interface for now + println("if (rmiObj != NULL) {"); + println("delete rmiObj;"); + println("rmiObj = NULL;"); + println("}"); + Iterator it = callbackClasses.iterator(); + String callbackType = (String) it.next(); + println("for(" + callbackType + "* cb : vecCallbackObj) {"); + println("delete cb;"); + println("cb = NULL;"); + println("}"); + } println("}"); println(""); - // Check if this is callback!!! and print "delete rmiObj and vecCBObj" + } + + + /** + * HELPER: writeCplusMethodCallbackPermission() writes permission checks in stub for callbacks + */ + private void writeCplusMethodCallbackPermission(String intface) { + + println("int methodId = IoTRMIObject::getMethodId(method);"); + // Get all the different stubs + Map> mapNewIntMethods = mapInt2NewInts.get(intface); + for (Map.Entry> intMeth : mapNewIntMethods.entrySet()) { + String newIntface = intMeth.getKey(); + int newObjectId = getNewIntfaceObjectId(newIntface); + println("if (set" + newObjectId + "Allowed.find(methodId) == set" + newObjectId + "Allowed.end()) {"); + println("cerr << \"Callback object for " + intface + " is not allowed to access method: \" << methodId;"); + println("return;"); + println("}"); + } + } + + + /** + * HELPER: writeInitCallbackCplusStub() writes the initialization of callback + */ + private void writeInitCallbackCplusStub(String intface, InterfaceDecl intDecl) { + + println("void ___initCallBack() {"); + println("bool bResult = false;"); + println("rmiObj = new IoTRMIObject(ports[0], &bResult);"); + println("while (true) {"); + println("char* method = rmiObj->getMethodBytes();"); + writeCplusMethodCallbackPermission(intface); + println("int objId = IoTRMIObject::getObjectId(method);"); + println("if (objId < vecCallbackObj.size()) { // Check if still within range"); + println(intface + "_CallbackSkeleton* skel = dynamic_cast<" + intface + + "_CallbackSkeleton*> (vecCallbackObj.at(objId));"); + println("skel->invokeMethod(rmiObj);"); + print("}"); + println(" else {"); + println("cerr << \"Illegal object Id: \" << to_string(objId);"); + // TODO: perhaps need to change this into "throw" to make it cleaner (allow stack unfolding) + println("return;"); + println("}"); + println("}"); + println("}\n"); + } + + + /** + * HELPER: writeCplusInitCallbackPermission() writes the permission for callback + */ + private void writeCplusInitCallbackPermission(String intface, InterfaceDecl intDecl, boolean callbackExist) { + + if (callbackExist) { + String method = "___initCallBack()"; + int methodNumId = intDecl.getHelperMethodNumId(method); + Map> mapNewIntMethods = mapInt2NewInts.get(intface); + for (Map.Entry> intMeth : mapNewIntMethods.entrySet()) { + String newIntface = intMeth.getKey(); + int newObjectId = getNewIntfaceObjectId(newIntface); + println("set" + newObjectId + "Allowed.insert(" + methodNumId + ");"); + } + } + } + + + /** + * HELPER: writeInitCallbackSendInfoCplusStub() writes the initialization (send info part) of callback + */ + private void writeInitCallbackSendInfoCplusStub(InterfaceDecl intDecl) { + + // Generate info sending part + println("void ___regCB() {"); + println("int numParam = 3;"); + String method = "___initCallBack()"; + int methodNumId = intDecl.getHelperMethodNumId(method); + println("int methodId = " + methodNumId + ";"); + println("string retType = \"void\";"); + println("string paramCls[] = { \"int\", \"String\", \"int\" };"); + println("int rev = 0;"); + println("void* paramObj[] = { &ports[0], &callbackAddress, &rev };"); + println("void* retObj = NULL;"); + println("rmiCall->remoteCall(objectId, methodId, retType, paramCls, paramObj, numParam, retObj);"); + println("}\n"); } @@ -1562,24 +3183,39 @@ public class IoTCompiler { println("#ifndef _" + newStubClass.toUpperCase() + "_HPP__"); println("#define _" + newStubClass.toUpperCase() + "_HPP__"); println("#include "); + // Find out if there are callback objects + Set methods = intMeth.getValue(); + DeclarationHandler decHandler = mapIntDeclHand.get(intface); + InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface); + Set callbackClasses = getCallbackClasses(methods, intDecl); + boolean callbackExist = !callbackClasses.isEmpty(); + if (callbackExist) // Need thread library if this has callback + println("#include "); println("#include \"" + newIntface + ".hpp\""); println(""); println("using namespace std;"); println(""); println("class " + newStubClass + " : public " + newIntface); println("{"); println("private:\n"); - writePropertiesCplusStub(intface, newIntface); + writePropertiesCplusStub(intface, newIntface, callbackExist, callbackClasses); println("public:\n"); // Add default constructor and destructor println(newStubClass + "() { }"); println(""); - writeConstructorCplusStub(newStubClass); - writeDeconstructorCplusStub(newStubClass); - DeclarationHandler decHandler = mapIntDeclHand.get(intface); - InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface); + writeConstructorCplusStub(newStubClass, callbackExist, callbackClasses); + writeDeconstructorCplusStub(newStubClass, callbackExist, callbackClasses); // Write methods - writeMethodCplusStub(intMeth.getValue(), intDecl); + writeMethodCplusStub(methods, intDecl, callbackClasses); print("}"); println(";"); + if (callbackExist) { + Iterator it = callbackClasses.iterator(); + String callbackType = (String) it.next(); + // Generate permission stuff for callback stubs + DeclarationHandler decHandlerCallback = mapIntDeclHand.get(callbackType); + InterfaceDecl intDeclCallback = (InterfaceDecl) decHandlerCallback.getInterfaceDecl(callbackType); + writePermissionInitializationCplus(callbackType, newStubClass, intDeclCallback); + } + writeObjectIdCountInitializationCplus(newStubClass, callbackExist); println("#endif"); pw.close(); - System.out.println("IoTCompiler: Generated stub class " + newIntface + ".hpp..."); + System.out.println("IoTCompiler: Generated stub class " + newStubClass + ".hpp..."); } } } @@ -1588,11 +3224,24 @@ public class IoTCompiler { /** * HELPER: writePropertiesCplusCallbackStub() writes the properties of the stub class */ - private void writePropertiesCplusCallbackStub(String intface, String newIntface) { + private void writePropertiesCplusCallbackStub(String intface, String newIntface, boolean callbackExist, Set callbackClasses) { println("IoTRMICall *rmiCall;"); // Get the object Id - println("static int objectId;"); + println("int objectId;"); + if (callbackExist) { + // We assume that each class only has one callback interface for now + Iterator it = callbackClasses.iterator(); + String callbackType = (String) it.next(); + println("// Callback properties"); + println("IoTRMIObject *rmiObj;"); + println("vector<" + callbackType + "*> vecCallbackObj;"); + println("static int objIdCnt;"); + // TODO: Need to initialize address and ports if we want to have callback-in-callback + println("string address;"); + println("vector ports;\n"); + writePropertiesCplusPermission(callbackType); + } println("\n"); } @@ -1600,11 +3249,18 @@ public class IoTCompiler { /** * HELPER: writeConstructorCplusCallbackStub() writes the constructor of the stub class */ - private void writeConstructorCplusCallbackStub(String newStubClass) { + private void writeConstructorCplusCallbackStub(String newStubClass, boolean callbackExist, Set callbackClasses) { println(newStubClass + "(IoTRMICall* _rmiCall, int _objectId) {"); println("objectId = _objectId;"); println("rmiCall = _rmiCall;"); + if (callbackExist) { + Iterator it = callbackClasses.iterator(); + String callbackType = (String) it.next(); + println("thread th1 (&" + newStubClass + "::___initCallBack, this);"); + println("th1.detach();"); + println("___regCB();"); + } println("}\n"); } @@ -1625,25 +3281,40 @@ public class IoTCompiler { String newStubClass = newIntface + "_CallbackStub"; FileWriter fw = new FileWriter(path + "/" + newStubClass + ".hpp"); pw = new PrintWriter(new BufferedWriter(fw)); + // Find out if there are callback objects + Set methods = intMeth.getValue(); + DeclarationHandler decHandler = mapIntDeclHand.get(intface); + InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface); + Set callbackClasses = getCallbackClasses(methods, intDecl); + boolean callbackExist = !callbackClasses.isEmpty(); // Write file headers println("#ifndef _" + newStubClass.toUpperCase() + "_HPP__"); println("#define _" + newStubClass.toUpperCase() + "_HPP__"); println("#include "); + if (callbackExist) + println("#include "); println("#include \"" + newIntface + ".hpp\""); println(""); println("using namespace std;"); println(""); println("class " + newStubClass + " : public " + newIntface); println("{"); println("private:\n"); - writePropertiesCplusCallbackStub(intface, newIntface); + writePropertiesCplusCallbackStub(intface, newIntface, callbackExist, callbackClasses); println("public:\n"); // Add default constructor and destructor println(newStubClass + "() { }"); println(""); - writeConstructorCplusCallbackStub(newStubClass); - writeDeconstructorCplusStub(newStubClass); - DeclarationHandler decHandler = mapIntDeclHand.get(intface); - InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface); + writeConstructorCplusCallbackStub(newStubClass, callbackExist, callbackClasses); + writeDeconstructorCplusStub(newStubClass, callbackExist, callbackClasses); // Write methods - writeMethodCplusStub(intMeth.getValue(), intDecl); - print("}"); println(";"); + writeMethodCplusStub(methods, intDecl, callbackClasses); + println("};"); + if (callbackExist) { + Iterator it = callbackClasses.iterator(); + String callbackType = (String) it.next(); + // Generate permission stuff for callback stubs + DeclarationHandler decHandlerCallback = mapIntDeclHand.get(callbackType); + InterfaceDecl intDeclCallback = (InterfaceDecl) decHandlerCallback.getInterfaceDecl(callbackType); + writePermissionInitializationCplus(callbackType, newStubClass, intDeclCallback); + } + writeObjectIdCountInitializationCplus(newStubClass, callbackExist); println("#endif"); pw.close(); System.out.println("IoTCompiler: Generated callback stub class " + newIntface + ".hpp..."); @@ -1655,37 +3326,106 @@ public class IoTCompiler { /** * HELPER: writePropertiesCplusSkeleton() writes the properties of the skeleton class */ - private void writePropertiesCplusSkeleton(String intface) { + private void writePropertiesCplusSkeleton(String intface, boolean callbackExist, Set callbackClasses) { println(intface + " *mainObj;"); - //println("private int ports;"); - //println("private IoTRMICall rmiCall;"); + // Callback + if (callbackExist) { + Iterator it = callbackClasses.iterator(); + String callbackType = (String) it.next(); + String exchangeType = checkAndGetParamClass(callbackType); + println("// Callback properties"); + println("static int objIdCnt;"); + println("vector<" + exchangeType + "*> vecCallbackObj;"); + println("IoTRMICall *rmiCall;"); + } println("IoTRMIObject *rmiObj;\n"); + // Keep track of object Ids of all stubs registered to this interface + writePropertiesCplusPermission(intface); + println("\n"); + } + + + /** + * HELPER: writeObjectIdCountInitializationCplus() writes the initialization of objIdCnt variable + */ + private void writeObjectIdCountInitializationCplus(String newSkelClass, boolean callbackExist) { + + if (callbackExist) + println("int " + newSkelClass + "::objIdCnt = 0;"); + } + + + /** + * HELPER: writePermissionInitializationCplus() writes the initialization of permission set + */ + private void writePermissionInitializationCplus(String intface, String newSkelClass, InterfaceDecl intDecl) { + // Keep track of object Ids of all stubs registered to this interface Map> mapNewIntMethods = mapInt2NewInts.get(intface); for (Map.Entry> intMeth : mapNewIntMethods.entrySet()) { String newIntface = intMeth.getKey(); - int newObjectId = mapNewIntfaceObjId.get(newIntface); -// println("const static int object" + newObjectId + "Id = " + -// newObjectId + ";\t//" + newIntface); + int newObjectId = getNewIntfaceObjectId(newIntface); + print("set " + newSkelClass + "::set" + newObjectId + "Allowed { "); + Set methodIds = intMeth.getValue(); + int i = 0; + for (String methodId : methodIds) { + int methodNumId = intDecl.getMethodNumId(methodId); + print(Integer.toString(methodNumId)); + // Check if this is the last element (don't print a comma) + if (i != methodIds.size() - 1) { + print(", "); + } + i++; + } + println(" };"); + } + } + + + /** + * HELPER: writeStructPermissionCplusSkeleton() writes permission for struct helper + */ + private void writeStructPermissionCplusSkeleton(Collection methods, InterfaceDecl intDecl, String intface) { + + // Use this set to handle two same methodIds + for (String method : methods) { + List methParams = intDecl.getMethodParams(method); + List methPrmTypes = intDecl.getMethodParamTypes(method); + // Check for params with structs + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + int methodNumId = intDecl.getMethodNumId(method); + String helperMethod = methodNumId + "struct" + i; + int helperMethodNumId = intDecl.getHelperMethodNumId(helperMethod); + // Iterate over interfaces to give permissions to + Map> mapNewIntMethods = mapInt2NewInts.get(intface); + for (Map.Entry> intMeth : mapNewIntMethods.entrySet()) { + String newIntface = intMeth.getKey(); + int newObjectId = getNewIntfaceObjectId(newIntface); + println("set" + newObjectId + "Allowed.insert(" + helperMethodNumId + ");"); + } + } + } } - // TODO: CALLBACKS! - // TODO: code the set of allowed functions here - println("\n"); } /** * HELPER: writeConstructorCplusSkeleton() writes the constructor of the skeleton class */ - private void writeConstructorCplusSkeleton(String newSkelClass, String intface) { + private void writeConstructorCplusSkeleton(String newSkelClass, String intface, boolean callbackExist, InterfaceDecl intDecl, Collection methods) { println(newSkelClass + "(" + intface + " *_mainObj, int _port) {"); println("bool _bResult = false;"); println("mainObj = _mainObj;"); println("rmiObj = new IoTRMIObject(_port, &_bResult);"); - //println("set0Allowed = Arrays.asList(object0Permission);"); - //println("___waitRequestInvokeMethod();"); + writeCplusInitCallbackPermission(intface, intDecl, callbackExist); + writeStructPermissionCplusSkeleton(methods, intDecl, intface); + println("___waitRequestInvokeMethod();"); println("}\n"); } @@ -1693,16 +3433,29 @@ public class IoTCompiler { /** * HELPER: writeDeconstructorCplusSkeleton() writes the deconstructor of the skeleton class */ - private void writeDeconstructorCplusSkeleton(String newSkelClass) { + private void writeDeconstructorCplusSkeleton(String newSkelClass, boolean callbackExist, Set callbackClasses) { println("~" + newSkelClass + "() {"); println("if (rmiObj != NULL) {"); println("delete rmiObj;"); println("rmiObj = NULL;"); println("}"); + if (callbackExist) { + // We assume that each class only has one callback interface for now + println("if (rmiCall != NULL) {"); + println("delete rmiCall;"); + println("rmiCall = NULL;"); + println("}"); + Iterator it = callbackClasses.iterator(); + String callbackType = (String) it.next(); + String exchangeType = checkAndGetParamClass(callbackType); + println("for(" + exchangeType + "* cb : vecCallbackObj) {"); + println("delete cb;"); + println("cb = NULL;"); + println("}"); + } println("}"); println(""); - // Check if this is callback!!! and print "delete rmiObj and vecCBObj" } @@ -1727,11 +3480,36 @@ public class IoTCompiler { } + /** + * HELPER: writeInitCallbackCplusSkeleton() writes the init callback method for skeleton class + */ + private void writeInitCallbackCplusSkeleton(boolean callbackSkeleton) { + + // This is a callback skeleton generation + if (callbackSkeleton) + println("void ___regCB(IoTRMIObject* rmiObj) {"); + else + println("void ___regCB() {"); + println("int numParam = 3;"); + println("int param1 = 0;"); + println("string param2 = \"\";"); + println("int param3 = 0;"); + println("string paramCls[] = { \"int\", \"String\", \"int\" };"); + println("void* paramObj[] = { ¶m1, ¶m2, ¶m3 };"); + println("rmiObj->getMethodParams(paramCls, numParam, paramObj);"); + println("bool bResult = false;"); + println("rmiCall = new IoTRMICall(param1, param2.c_str(), param3, &bResult);"); + println("}\n"); + } + + /** * HELPER: writeMethodCplusSkeleton() writes the method of the skeleton class */ - private void writeMethodCplusSkeleton(Collection methods, InterfaceDecl intDecl) { + private void writeMethodCplusSkeleton(Collection methods, InterfaceDecl intDecl, + Set callbackClasses, boolean callbackSkeleton) { + boolean isDefined = false; for (String method : methods) { List methParams = intDecl.getMethodParams(method); @@ -1739,9 +3517,16 @@ public class IoTCompiler { String methodId = intDecl.getMethodId(method); String methodType = checkAndGetCplusType(intDecl.getMethodType(method)); print(methodType + " " + methodId + "("); + boolean isCallbackMethod = false; + String callbackType = null; for (int i = 0; i < methParams.size(); i++) { - String paramType = checkAndGetParamClass(methPrmTypes.get(i), true); + String origParamType = methPrmTypes.get(i); + if (callbackClasses.contains(origParamType)) { // Check if this has callback object + isCallbackMethod = true; + callbackType = origParamType; + } + String paramType = checkAndGetParamClass(methPrmTypes.get(i)); String methPrmType = checkAndGetCplusType(paramType); String methParamComplete = checkAndGetCplusArray(methPrmType, methParams.get(i)); print(methParamComplete); @@ -1754,6 +3539,176 @@ public class IoTCompiler { // Now, write the body of skeleton! writeStdMethodBodyCplusSkeleton(methParams, methodId, intDecl.getMethodType(method)); println("}\n"); + if (isCallbackMethod && !isDefined) { + writeInitCallbackCplusSkeleton(callbackSkeleton); + isDefined = true; + } + } + } + + + /** + * HELPER: writeCallbackCplusNumStubs() writes the numStubs variable + */ + private void writeCallbackCplusNumStubs(List methParams, List methPrmTypes, String callbackType) { + + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + //if (callbackType.equals(paramType)) { + if (checkCallbackType(paramType, callbackType)) // Check if this has callback object + println("int numStubs" + i + " = 0;"); + } + } + + + /** + * HELPER: writeCallbackCplusStubGeneration() writes the callback stub generation part + */ + private void writeCallbackCplusStubGeneration(List methParams, List methPrmTypes, String callbackType) { + + // Iterate over callback objects + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + // Generate a loop if needed + if (checkCallbackType(paramType, callbackType)) { // Check if this has callback object + String exchParamType = checkAndGetParamClass(getGenericType(paramType)); + if (isArrayOrList(paramType, param)) { + println("vector<" + exchParamType + "*> stub" + i + ";"); + println("for (int objId = 0; objId < numStubs" + i + "; objId++) {"); + println(exchParamType + "* cb" + i + " = new " + exchParamType + "_CallbackStub(rmiCall, objIdCnt);"); + println("stub" + i + ".push_back(cb" + i + ");"); + println("vecCallbackObj.push_back(cb" + i + ");"); + println("objIdCnt++;"); + println("}"); + } else { + println(exchParamType + "* stub" + i + " = new " + exchParamType + "_CallbackStub(rmiCall, objIdCnt);"); + println("vecCallbackObj.push_back(stub" + i + ");"); + println("objIdCnt++;"); + } + } + } + } + + + /** + * HELPER: checkAndWriteEnumTypeCplusSkeleton() writes the enum type (convert from enum to int) + */ + private void checkAndWriteEnumTypeCplusSkeleton(List methParams, List methPrmTypes) { + + // Iterate and find enum declarations + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isEnumClass(simpleType)) { + // Check if this is enum type + if (isArrayOrList(paramType, param)) { // An array + println("int len" + i + " = paramEnumInt" + i + ".size();"); + println("vector<" + simpleType + "> paramEnum" + i + "(len" + i + ");"); + println("for (int i=0; i < len" + i + "; i++) {"); + println("paramEnum" + i + "[i] = (" + simpleType + ") paramEnumInt" + i + "[i];"); + println("}"); + } else { // Just one element + println(simpleType + " paramEnum" + i + ";"); + println("paramEnum" + i + " = (" + simpleType + ") paramEnumInt" + i + "[0];"); + } + } + } + } + + + /** + * HELPER: checkAndWriteEnumRetTypeCplusSkeleton() writes the enum return type (convert from enum to int) + */ + private void checkAndWriteEnumRetTypeCplusSkeleton(String retType) { + + // Strips off array "[]" for return type + String pureType = getSimpleArrayType(getGenericType(retType)); + // Take the inner type of generic + if (getParamCategory(retType) == ParamCategory.NONPRIMITIVES) + pureType = getGenericType(retType); + if (isEnumClass(pureType)) { + // Check if this is enum type + // Enum decoder + if (isArrayOrList(retType, retType)) { // An array + println("int retLen = retEnum.size();"); + println("vector retEnumInt(retLen);"); + println("for (int i=0; i < retLen; i++) {"); + println("retEnumInt[i] = (int) retEnum[i];"); + println("}"); + } else { // Just one element + println("vector retEnumInt(1);"); + println("retEnumInt[0] = (int) retEnum;"); + } + } + } + + + /** + * HELPER: writeMethodInputParameters() writes the parameter variables for C++ skeleton + */ + private void writeMethodInputParameters(List methParams, List methPrmTypes, + Set callbackClasses, String methodId) { + + print(methodId + "("); + for (int i = 0; i < methParams.size(); i++) { + String paramType = returnGenericCallbackType(methPrmTypes.get(i)); + if (callbackClasses.contains(paramType)) + print("stub" + i); + else if (isEnumClass(getGenericType(paramType))) // Check if this is enum type + print("paramEnum" + i); + else if (isStructClass(getGenericType(paramType))) // Struct type + print("paramStruct" + i); + else + print(getSimpleIdentifier(methParams.get(i))); + if (i != methParams.size() - 1) { + print(", "); + } + } + println(");"); + } + + + /** + * HELPER: writeMethodHelperReturnCplusSkeleton() writes the return statement part in skeleton + */ + private void writeMethodHelperReturnCplusSkeleton(InterfaceDecl intDecl, List methParams, + List methPrmTypes, String method, boolean isCallbackMethod, String callbackType, + String methodId, Set callbackClasses) { + + println("rmiObj->getMethodParams(paramCls, numParam, paramObj);"); + if (isCallbackMethod) + writeCallbackCplusStubGeneration(methParams, methPrmTypes, callbackType); + checkAndWriteEnumTypeCplusSkeleton(methParams, methPrmTypes); + writeStructMembersInitCplusSkeleton(intDecl, methParams, methPrmTypes, method); + // Check if this is "void" + String retType = intDecl.getMethodType(method); + // Check if this is "void" + if (retType.equals("void")) { + writeMethodInputParameters(methParams, methPrmTypes, callbackClasses, methodId); + } else { // We do have a return value + if (isEnumClass(getSimpleArrayType(getGenericType(retType)))) // Enum type + print(checkAndGetCplusType(retType) + " retEnum = "); + else if (isStructClass(getSimpleArrayType(getGenericType(retType)))) // Struct type + print(checkAndGetCplusType(retType) + " retStruct = "); + else + print(checkAndGetCplusType(retType) + " retVal = "); + writeMethodInputParameters(methParams, methPrmTypes, callbackClasses, methodId); + checkAndWriteEnumRetTypeCplusSkeleton(retType); + if (isStructClass(getSimpleArrayType(getGenericType(retType)))) // Struct type + writeStructReturnCplusSkeleton(getSimpleArrayType(getGenericType(retType)), retType); + if (isEnumClass(getSimpleArrayType(getGenericType(retType)))) // Enum type + println("void* retObj = &retEnumInt;"); + else + if (!isStructClass(getSimpleArrayType(getGenericType(retType)))) // Struct type + println("void* retObj = &retVal;"); + String retTypeC = checkAndGetCplusType(retType); + if (isStructClass(getSimpleArrayType(getGenericType(retType)))) // Struct type + println("rmiObj->sendReturnObj(retObj, retCls, numRetObj);"); + else + println("rmiObj->sendReturnObj(retObj, \"" + checkAndGetCplusRetClsType(getEnumType(retType)) + "\");"); } } @@ -1762,87 +3717,398 @@ public class IoTCompiler { * HELPER: writeStdMethodHelperBodyCplusSkeleton() writes the standard method body helper in the skeleton class */ private void writeStdMethodHelperBodyCplusSkeleton(InterfaceDecl intDecl, List methParams, - List methPrmTypes, String method, String methodId) { + List methPrmTypes, String method, String methodId, Set callbackClasses) { // Generate array of parameter types + boolean isCallbackMethod = false; + String callbackType = null; print("string paramCls[] = { "); for (int i = 0; i < methParams.size(); i++) { - String paramTypeC = checkAndGetCplusType(methPrmTypes.get(i)); - String paramType = checkAndGetCplusArrayType(paramTypeC, methParams.get(i)); - print("\"" + paramType + "\""); + String paramType = returnGenericCallbackType(methPrmTypes.get(i)); + if (callbackClasses.contains(paramType)) { + isCallbackMethod = true; + callbackType = paramType; + print("\"int\""); + } else { // Generate normal classes if it's not a callback object + String paramTypeC = checkAndGetCplusArgClsType(methPrmTypes.get(i), methParams.get(i)); + print("\"" + paramTypeC + "\""); + } if (i != methParams.size() - 1) { print(", "); } } println(" };"); println("int numParam = " + methParams.size() + ";"); + if (isCallbackMethod) + writeCallbackCplusNumStubs(methParams, methPrmTypes, callbackType); // Generate parameters for (int i = 0; i < methParams.size(); i++) { - String methPrmType = checkAndGetCplusType(methPrmTypes.get(i)); - String methParamComplete = checkAndGetCplusArray(methPrmType, methParams.get(i)); - println(methParamComplete + ";"); + String paramType = returnGenericCallbackType(methPrmTypes.get(i)); + if (!callbackClasses.contains(paramType)) { + String methParamType = methPrmTypes.get(i); + if (isEnumClass(getSimpleArrayType(getGenericType(methParamType)))) { + // Check if this is enum type + println("vector paramEnumInt" + i + ";"); + } else { + String methPrmType = checkAndGetCplusType(methParamType); + String methParamComplete = checkAndGetCplusArray(methPrmType, methParams.get(i)); + println(methParamComplete + ";"); + } + } } // Generate array of parameter objects print("void* paramObj[] = { "); for (int i = 0; i < methParams.size(); i++) { - print("&" + getSimpleIdentifier(methParams.get(i))); + String paramType = returnGenericCallbackType(methPrmTypes.get(i)); + if (callbackClasses.contains(paramType)) + print("&numStubs" + i); + else if (isEnumClass(getGenericType(paramType))) // Check if this is enum type + print("¶mEnumInt" + i); + else + print("&" + getSimpleIdentifier(methParams.get(i))); if (i != methParams.size() - 1) { print(", "); } } println(" };"); - println("rmiObj->getMethodParams(paramCls, numParam, paramObj);"); - String retType = intDecl.getMethodType(method); - // Check if this is "void" - if (retType.equals("void")) { - print(methodId + "("); - for (int i = 0; i < methParams.size(); i++) { - print(getSimpleIdentifier(methParams.get(i))); - if (i != methParams.size() - 1) { - print(", "); + // Write the return value part + writeMethodHelperReturnCplusSkeleton(intDecl, methParams, methPrmTypes, method, isCallbackMethod, + callbackType, methodId, callbackClasses); + } + + + /** + * HELPER: writeStructMembersCplusSkeleton() writes member parameters of struct + */ + private void writeStructMembersCplusSkeleton(String simpleType, String paramType, + String param, String method, InterfaceDecl intDecl, int iVar) { + + // Get the struct declaration for this struct and generate initialization code + StructDecl structDecl = getStructDecl(simpleType); + List memTypes = structDecl.getMemberTypes(simpleType); + List members = structDecl.getMembers(simpleType); + int methodNumId = intDecl.getMethodNumId(method); + String counter = "struct" + methodNumId + "Size" + iVar; + // Set up variables + if (isArrayOrList(paramType, param)) { // An array or list + for (int i = 0; i < members.size(); i++) { + String prmTypeC = checkAndGetCplusType(memTypes.get(i)); + String prmType = checkAndGetCplusArrayType(prmTypeC, members.get(i)); + println(getSimpleType(getEnumType(prmType)) + " param" + iVar + i + "[" + counter + "];"); + } + } else { // Just one struct element + for (int i = 0; i < members.size(); i++) { + String prmTypeC = checkAndGetCplusType(memTypes.get(i)); + String prmType = checkAndGetCplusArrayType(prmTypeC, members.get(i)); + println(getSimpleType(getEnumType(prmType)) + " param" + iVar + i + ";"); + } + } + if (isArrayOrList(paramType, param)) { // An array or list + println("for(int i = 0; i < " + counter + "; i++) {"); + } + if (isArrayOrList(paramType, param)) { // An array or list + for (int i = 0; i < members.size(); i++) { + String prmTypeC = checkAndGetCplusArgClsType(memTypes.get(i), members.get(i)); + println("paramCls[pos] = \"" + prmTypeC + "\";"); + println("paramObj[pos++] = ¶m" + iVar + i + "[i];"); + } + println("}"); + } else { // Just one struct element + for (int i = 0; i < members.size(); i++) { + String prmTypeC = checkAndGetCplusArgClsType(memTypes.get(i), members.get(i)); + println("paramCls[pos] = \"" + prmTypeC + "\";"); + println("paramObj[pos++] = ¶m" + iVar + i + ";"); + } + } + } + + + /** + * HELPER: writeStructMembersInitCplusSkeleton() writes member parameters initialization of struct + */ + private void writeStructMembersInitCplusSkeleton(InterfaceDecl intDecl, List methParams, + List methPrmTypes, String method) { + + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + int methodNumId = intDecl.getMethodNumId(method); + String counter = "struct" + methodNumId + "Size" + i; + // Declaration + if (isArrayOrList(paramType, param)) { // An array or list + println("vector<" + simpleType + "> paramStruct" + i + "(" + counter + ");"); + } else + println(simpleType + " paramStruct" + i + ";"); + // Initialize members + StructDecl structDecl = getStructDecl(simpleType); + List members = structDecl.getMembers(simpleType); + List memTypes = structDecl.getMemberTypes(simpleType); + if (isArrayOrList(paramType, param)) { // An array or list + println("for(int i = 0; i < " + counter + "; i++) {"); + for (int j = 0; j < members.size(); j++) { + print("paramStruct" + i + "[i]." + getSimpleIdentifier(members.get(j))); + println(" = param" + i + j + "[i];"); + } + println("}"); + } else { // Just one struct element + for (int j = 0; j < members.size(); j++) { + print("paramStruct" + i + "." + getSimpleIdentifier(members.get(j))); + println(" = param" + i + j + ";"); + } + } + } + } + } + + + /** + * HELPER: writeStructReturnCplusSkeleton() writes parameters of struct for return statement + */ + private void writeStructReturnCplusSkeleton(String simpleType, String retType) { + + // Minimum retLen is 1 if this is a single struct object + if (isArrayOrList(retType, retType)) + println("int retLen = retStruct.size();"); + else // Just single struct object + println("int retLen = 1;"); + println("void* retLenObj = &retLen;"); + println("rmiObj->sendReturnObj(retLenObj, \"int\");"); + int numMem = getNumOfMembers(simpleType); + println("int numRetObj = " + numMem + "*retLen;"); + println("string retCls[numRetObj];"); + println("void* retObj[numRetObj];"); + println("int retPos = 0;"); + // Get the struct declaration for this struct and generate initialization code + StructDecl structDecl = getStructDecl(simpleType); + List memTypes = structDecl.getMemberTypes(simpleType); + List members = structDecl.getMembers(simpleType); + if (isArrayOrList(retType, retType)) { // An array or list + println("for(int i = 0; i < retLen; i++) {"); + for (int i = 0; i < members.size(); i++) { + String prmTypeC = checkAndGetCplusArgClsType(memTypes.get(i), members.get(i)); + println("retCls[retPos] = \"" + prmTypeC + "\";"); + print("retObj[retPos++] = &retStruct[i]."); + print(getEnumParam(memTypes.get(i), getSimpleIdentifier(members.get(i)), i)); + println(";"); + } + println("}"); + } else { // Just one struct element + for (int i = 0; i < members.size(); i++) { + String prmTypeC = checkAndGetCplusArgClsType(memTypes.get(i), members.get(i)); + println("retCls[retPos] = \"" + prmTypeC + "\";"); + print("retObj[retPos++] = &retStruct."); + print(getEnumParam(memTypes.get(i), getSimpleIdentifier(members.get(i)), i)); + println(";"); + } + } + + } + + + /** + * HELPER: writeMethodHelperStructCplusSkeleton() writes the struct in skeleton + */ + private void writeMethodHelperStructCplusSkeleton(InterfaceDecl intDecl, List methParams, + List methPrmTypes, String method, String methodId, Set callbackClasses) { + + // Generate array of parameter objects + boolean isCallbackMethod = false; + String callbackType = null; + print("int numParam = "); + writeLengthStructParamClassSkeleton(methParams, methPrmTypes, method, intDecl); + println(";"); + println("string paramCls[numParam];"); + println("void* paramObj[numParam];"); + println("int pos = 0;"); + // Iterate again over the parameters + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + writeStructMembersCplusSkeleton(simpleType, paramType, param, method, intDecl, i); + } else { + String prmType = returnGenericCallbackType(methPrmTypes.get(i)); + if (callbackClasses.contains(prmType)) { + isCallbackMethod = true; + callbackType = prmType; + println("int numStubs" + i + " = 0;"); + println("paramCls[pos] = \"int\";"); + println("paramObj[pos++] = &numStubs" + i + ";"); + } else { // Generate normal classes if it's not a callback object + String paramTypeC = checkAndGetCplusType(methPrmTypes.get(i)); + if (isEnumClass(getGenericType(paramTypeC))) { // Check if this is enum type + println("vector paramEnumInt" + i + ";"); + } else { + String methParamComplete = checkAndGetCplusArray(paramTypeC, methParams.get(i)); + println(methParamComplete + ";"); + } + String prmTypeC = checkAndGetCplusArgClsType(methPrmTypes.get(i), methParams.get(i)); + println("paramCls[pos] = \"" + prmTypeC + "\";"); + if (isEnumClass(getGenericType(paramType))) // Check if this is enum type + println("paramObj[pos++] = ¶mEnumInt" + i + ";"); + else + println("paramObj[pos++] = &" + getSimpleIdentifier(methParams.get(i)) + ";"); + } + } + } + // Write the return value part + writeMethodHelperReturnCplusSkeleton(intDecl, methParams, methPrmTypes, method, isCallbackMethod, + callbackType, methodId, callbackClasses); + } + + + /** + * HELPER: writeMethodHelperCplusSkeleton() writes the method helper of the skeleton class + */ + private void writeMethodHelperCplusSkeleton(Collection methods, InterfaceDecl intDecl, Set callbackClasses) { + + // Use this set to handle two same methodIds + Set uniqueMethodIds = new HashSet(); + for (String method : methods) { + + List methParams = intDecl.getMethodParams(method); + List methPrmTypes = intDecl.getMethodParamTypes(method); + if (isStructPresent(methParams, methPrmTypes)) { // Treat struct differently + String methodId = intDecl.getMethodId(method); + print("void ___"); + String helperMethod = methodId; + if (uniqueMethodIds.contains(methodId)) + helperMethod = helperMethod + intDecl.getMethodNumId(method); + else + uniqueMethodIds.add(methodId); + String retType = intDecl.getMethodType(method); + print(helperMethod + "("); + boolean begin = true; + for (int i = 0; i < methParams.size(); i++) { // Print size variables + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + if (!begin) // Generate comma for not the beginning variable + print(", "); + else + begin = false; + int methodNumId = intDecl.getMethodNumId(method); + print("int struct" + methodNumId + "Size" + i); + } } + println(") {"); + writeMethodHelperStructCplusSkeleton(intDecl, methParams, methPrmTypes, method, methodId, callbackClasses); + println("}\n"); + } else { + String methodId = intDecl.getMethodId(method); + print("void ___"); + String helperMethod = methodId; + if (uniqueMethodIds.contains(methodId)) + helperMethod = helperMethod + intDecl.getMethodNumId(method); + else + uniqueMethodIds.add(methodId); + // Check if this is "void" + String retType = intDecl.getMethodType(method); + println(helperMethod + "() {"); + // Now, write the helper body of skeleton! + writeStdMethodHelperBodyCplusSkeleton(intDecl, methParams, methPrmTypes, method, methodId, callbackClasses); + println("}\n"); } - println(");"); - } else { // We do have a return value - print(checkAndGetCplusType(retType) + " retVal = " + methodId + "("); + } + // Write method helper for structs + writeMethodHelperStructSetupCplusSkeleton(methods, intDecl); + } + + + /** + * HELPER: writeMethodHelperStructSetupCplusSkeleton() writes the method helper of struct in skeleton class + */ + private void writeMethodHelperStructSetupCplusSkeleton(Collection methods, + InterfaceDecl intDecl) { + + // Use this set to handle two same methodIds + for (String method : methods) { + + List methParams = intDecl.getMethodParams(method); + List methPrmTypes = intDecl.getMethodParamTypes(method); + // Check for params with structs for (int i = 0; i < methParams.size(); i++) { - print(getSimpleIdentifier(methParams.get(i))); - if (i != methParams.size() - 1) { - print(", "); + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + int methodNumId = intDecl.getMethodNumId(method); + print("int ___"); + String helperMethod = methodNumId + "struct" + i; + println(helperMethod + "() {"); + // Now, write the helper body of skeleton! + println("string paramCls[] = { \"int\" };"); + println("int numParam = 1;"); + println("int param0 = 0;"); + println("void* paramObj[] = { ¶m0 };"); + println("rmiObj->getMethodParams(paramCls, numParam, paramObj);"); + println("return param0;"); + println("}\n"); } } - println(");"); - println("void* retObj = &retVal;"); - String retTypeC = checkAndGetCplusType(retType); - println("rmiObj->sendReturnObj(retObj, \"" + checkAndGetCplusArrayType(retTypeC) + "\");"); } } /** - * HELPER: writeMethodHelperCplusSkeleton() writes the method helper of the skeleton class + * HELPER: writeMethodHelperStructSetupCplusCallbackSkeleton() writes the method helper of struct in skeleton class */ - private void writeMethodHelperCplusSkeleton(Collection methods, InterfaceDecl intDecl) { + private void writeMethodHelperStructSetupCplusCallbackSkeleton(Collection methods, + InterfaceDecl intDecl) { // Use this set to handle two same methodIds - Set uniqueMethodIds = new HashSet(); for (String method : methods) { List methParams = intDecl.getMethodParams(method); List methPrmTypes = intDecl.getMethodParamTypes(method); - String methodId = intDecl.getMethodId(method); - print("void ___"); - String helperMethod = methodId; - if (uniqueMethodIds.contains(methodId)) - helperMethod = helperMethod + intDecl.getMethodNumId(method); - else - uniqueMethodIds.add(methodId); - // Check if this is "void" - String retType = intDecl.getMethodType(method); - println(helperMethod + "() {"); - // Now, write the helper body of skeleton! - writeStdMethodHelperBodyCplusSkeleton(intDecl, methParams, methPrmTypes, method, methodId); - println("}\n"); + // Check for params with structs + for (int i = 0; i < methParams.size(); i++) { + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + int methodNumId = intDecl.getMethodNumId(method); + print("int ___"); + String helperMethod = methodNumId + "struct" + i; + println(helperMethod + "(IoTRMIObject* rmiObj) {"); + // Now, write the helper body of skeleton! + println("string paramCls[] = { \"int\" };"); + println("int numParam = 1;"); + println("int param0 = 0;"); + println("void* paramObj[] = { ¶m0 };"); + println("rmiObj->getMethodParams(paramCls, numParam, paramObj);"); + println("return param0;"); + println("}\n"); + } + } + } + } + + + /** + * HELPER: writeCplusMethodPermission() writes permission checks in skeleton + */ + private void writeCplusMethodPermission(String intface) { + + // Get all the different stubs + Map> mapNewIntMethods = mapInt2NewInts.get(intface); + for (Map.Entry> intMeth : mapNewIntMethods.entrySet()) { + String newIntface = intMeth.getKey(); + int newObjectId = getNewIntfaceObjectId(newIntface); + println("if (_objectId == object" + newObjectId + "Id) {"); + println("if (set" + newObjectId + "Allowed.find(methodId) == set" + newObjectId + "Allowed.end()) {"); + println("cerr << \"Object with object Id: \" << _objectId << \" is not allowed to access method: \" << methodId << endl;"); + println("return;"); + println("}"); + println("}"); + println("else {"); + println("cerr << \"Object Id: \" << _objectId << \" not recognized!\" << endl;"); + println("return;"); + println("}"); } } @@ -1850,17 +4116,19 @@ public class IoTCompiler { /** * HELPER: writeCplusWaitRequestInvokeMethod() writes the main loop of the skeleton class */ - private void writeCplusWaitRequestInvokeMethod(Collection methods, InterfaceDecl intDecl) { + private void writeCplusWaitRequestInvokeMethod(Collection methods, InterfaceDecl intDecl, boolean callbackExist, String intface) { // Use this set to handle two same methodIds Set uniqueMethodIds = new HashSet(); println("void ___waitRequestInvokeMethod() {"); // Write variables here if we have callbacks or enums or structs + writeCountVarStructSkeleton(methods, intDecl); println("while (true) {"); println("rmiObj->getMethodBytes();"); println("int _objectId = rmiObj->getObjectId();"); println("int methodId = rmiObj->getMethodId();"); - // TODO: code the permission check here! + // Generate permission check + writeCplusMethodPermission(intface); println("switch (methodId) {"); // Print methods and method Ids for (String method : methods) { @@ -1872,8 +4140,17 @@ public class IoTCompiler { helperMethod = helperMethod + methodNumId; else uniqueMethodIds.add(methodId); - println(helperMethod + "(); break;"); + print(helperMethod + "("); + writeInputCountVarStructSkeleton(method, intDecl); + println("); break;"); + } + String method = "___initCallBack()"; + // Print case -9999 (callback handler) if callback exists + if (callbackExist) { + int methodId = intDecl.getHelperMethodNumId(method); + println("case " + methodId + ": ___regCB(); break;"); } + writeMethodCallStructSkeleton(methods, intDecl); println("default: "); println("cerr << \"Method Id \" << methodId << \" not recognized!\" << endl;"); println("throw exception();"); @@ -1904,28 +4181,33 @@ public class IoTCompiler { DeclarationHandler decHandler = mapIntDeclHand.get(intface); InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface); List methods = intDecl.getMethods(); - Set includeClasses = getIncludeClasses(methods, intDecl); + Set includeClasses = getIncludeClasses(methods, intDecl, intface, true); List stdIncludeClasses = getStandardCplusIncludeClasses(); - List allIncludeClasses = getAllImportClasses(stdIncludeClasses, includeClasses); - printIncludeStatements(allIncludeClasses); println(""); + List allIncludeClasses = getAllLibClasses(stdIncludeClasses, includeClasses); + printIncludeStatements(allIncludeClasses); println(""); println("using namespace std;\n"); + // Find out if there are callback objects + Set callbackClasses = getCallbackClasses(methods, intDecl); + boolean callbackExist = !callbackClasses.isEmpty(); // Write class header println("class " + newSkelClass + " : public " + intface); println("{"); println("private:\n"); // Write properties - writePropertiesCplusSkeleton(intface); + writePropertiesCplusSkeleton(intface, callbackExist, callbackClasses); println("public:\n"); // Write constructor - writeConstructorCplusSkeleton(newSkelClass, intface); + writeConstructorCplusSkeleton(newSkelClass, intface, callbackExist, intDecl, methods); // Write deconstructor - writeDeconstructorCplusSkeleton(newSkelClass); + writeDeconstructorCplusSkeleton(newSkelClass, callbackExist, callbackClasses); // Write methods - writeMethodCplusSkeleton(methods, intDecl); + writeMethodCplusSkeleton(methods, intDecl, callbackClasses, false); // Write method helper - writeMethodHelperCplusSkeleton(methods, intDecl); + writeMethodHelperCplusSkeleton(methods, intDecl, callbackClasses); // Write waitRequestInvokeMethod() - main loop - writeCplusWaitRequestInvokeMethod(methods, intDecl); + writeCplusWaitRequestInvokeMethod(methods, intDecl, callbackExist, intface); println("};"); + writePermissionInitializationCplus(intface, newSkelClass, intDecl); + writeObjectIdCountInitializationCplus(newSkelClass, callbackExist); println("#endif"); pw.close(); System.out.println("IoTCompiler: Generated skeleton class " + newSkelClass + ".hpp..."); @@ -1936,12 +4218,21 @@ public class IoTCompiler { /** * HELPER: writePropertiesCplusCallbackSkeleton() writes the properties of the callback skeleton class */ - private void writePropertiesCplusCallbackSkeleton(String intface) { + private void writePropertiesCplusCallbackSkeleton(String intface, boolean callbackExist, Set callbackClasses) { println(intface + " *mainObj;"); - //println("IoTRMIObject *rmiObj;\n"); // Keep track of object Ids of all stubs registered to this interface - println("static int objectId;"); + println("int objectId;"); + // Callback + if (callbackExist) { + Iterator it = callbackClasses.iterator(); + String callbackType = (String) it.next(); + String exchangeType = checkAndGetParamClass(callbackType); + println("// Callback properties"); + println("IoTRMICall* rmiCall;"); + println("vector<" + exchangeType + "*> vecCallbackObj;"); + println("static int objIdCnt;"); + } println("\n"); } @@ -1949,7 +4240,7 @@ public class IoTCompiler { /** * HELPER: writeConstructorCplusCallbackSkeleton() writes the constructor of the skeleton class */ - private void writeConstructorCplusCallbackSkeleton(String newSkelClass, String intface) { + private void writeConstructorCplusCallbackSkeleton(String newSkelClass, String intface, boolean callbackExist, InterfaceDecl intDecl, Collection methods) { println(newSkelClass + "(" + intface + " *_mainObj, int _objectId) {"); println("mainObj = _mainObj;"); @@ -1959,9 +4250,36 @@ public class IoTCompiler { /** - * HELPER: writeMethodHelperCplusCallbackSkeleton() writes the method helper of the callback skeleton class + * HELPER: writeDeconstructorCplusStub() writes the deconstructor of the stub class + */ + private void writeDeconstructorCplusCallbackSkeleton(String newStubClass, boolean callbackExist, + Set callbackClasses) { + + println("~" + newStubClass + "() {"); + if (callbackExist) { + // We assume that each class only has one callback interface for now + println("if (rmiCall != NULL) {"); + println("delete rmiCall;"); + println("rmiCall = NULL;"); + println("}"); + Iterator it = callbackClasses.iterator(); + String callbackType = (String) it.next(); + String exchangeType = checkAndGetParamClass(callbackType); + println("for(" + exchangeType + "* cb : vecCallbackObj) {"); + println("delete cb;"); + println("cb = NULL;"); + println("}"); + } + println("}"); + println(""); + } + + + /** + * HELPER: writeMethodHelperCplusCallbackSkeleton() writes the method helper of callback skeleton class */ - private void writeMethodHelperCplusCallbackSkeleton(Collection methods, InterfaceDecl intDecl) { + private void writeMethodHelperCplusCallbackSkeleton(Collection methods, InterfaceDecl intDecl, + Set callbackClasses) { // Use this set to handle two same methodIds Set uniqueMethodIds = new HashSet(); @@ -1969,32 +4287,66 @@ public class IoTCompiler { List methParams = intDecl.getMethodParams(method); List methPrmTypes = intDecl.getMethodParamTypes(method); - String methodId = intDecl.getMethodId(method); - print("void ___"); - String helperMethod = methodId; - if (uniqueMethodIds.contains(methodId)) - helperMethod = helperMethod + intDecl.getMethodNumId(method); - else - uniqueMethodIds.add(methodId); - // Check if this is "void" - String retType = intDecl.getMethodType(method); - println(helperMethod + "(IoTRMIObject* rmiObj) {"); - // Now, write the helper body of skeleton! - writeStdMethodHelperBodyCplusSkeleton(intDecl, methParams, methPrmTypes, method, methodId); - println("}\n"); + if (isStructPresent(methParams, methPrmTypes)) { // Treat struct differently + String methodId = intDecl.getMethodId(method); + print("void ___"); + String helperMethod = methodId; + if (uniqueMethodIds.contains(methodId)) + helperMethod = helperMethod + intDecl.getMethodNumId(method); + else + uniqueMethodIds.add(methodId); + String retType = intDecl.getMethodType(method); + print(helperMethod + "("); + boolean begin = true; + for (int i = 0; i < methParams.size(); i++) { // Print size variables + String paramType = methPrmTypes.get(i); + String param = methParams.get(i); + String simpleType = getGenericType(paramType); + if (isStructClass(simpleType)) { + if (!begin) // Generate comma for not the beginning variable + print(", "); + else + begin = false; + int methodNumId = intDecl.getMethodNumId(method); + print("int struct" + methodNumId + "Size" + i); + } + } + println(", IoTRMIObject* rmiObj) {"); + writeMethodHelperStructCplusSkeleton(intDecl, methParams, methPrmTypes, method, methodId, callbackClasses); + println("}\n"); + } else { + String methodId = intDecl.getMethodId(method); + print("void ___"); + String helperMethod = methodId; + if (uniqueMethodIds.contains(methodId)) + helperMethod = helperMethod + intDecl.getMethodNumId(method); + else + uniqueMethodIds.add(methodId); + // Check if this is "void" + String retType = intDecl.getMethodType(method); + println(helperMethod + "(IoTRMIObject* rmiObj) {"); + // Now, write the helper body of skeleton! + writeStdMethodHelperBodyCplusSkeleton(intDecl, methParams, methPrmTypes, method, methodId, callbackClasses); + println("}\n"); + } } + // Write method helper for structs + writeMethodHelperStructSetupCplusCallbackSkeleton(methods, intDecl); } /** - * HELPER: writeCplusCallbackWaitRequestInvokeMethod() writes the main loop of the skeleton class + * HELPER: writeCplusCallbackWaitRequestInvokeMethod() writes the request invoke method of the skeleton callback class */ - private void writeCplusCallbackWaitRequestInvokeMethod(Collection methods, InterfaceDecl intDecl) { + private void writeCplusCallbackWaitRequestInvokeMethod(Collection methods, InterfaceDecl intDecl, + boolean callbackExist) { // Use this set to handle two same methodIds Set uniqueMethodIds = new HashSet(); println("void invokeMethod(IoTRMIObject* rmiObj) {"); // Write variables here if we have callbacks or enums or structs + writeCountVarStructSkeleton(methods, intDecl); + // Write variables here if we have callbacks or enums or structs println("int methodId = rmiObj->getMethodId();"); // TODO: code the permission check here! println("switch (methodId) {"); @@ -2008,8 +4360,19 @@ public class IoTCompiler { helperMethod = helperMethod + methodNumId; else uniqueMethodIds.add(methodId); - println(helperMethod + "(rmiObj); break;"); + print(helperMethod + "("); + if (writeInputCountVarStructSkeleton(method, intDecl)) + println(", rmiObj); break;"); + else + println("rmiObj); break;"); + } + String method = "___initCallBack()"; + // Print case -9999 (callback handler) if callback exists + if (callbackExist) { + int methodId = intDecl.getHelperMethodNumId(method); + println("case " + methodId + ": ___regCB(rmiObj); break;"); } + writeMethodCallStructCallbackSkeleton(methods, intDecl); println("default: "); println("cerr << \"Method Id \" << methodId << \" not recognized!\" << endl;"); println("throw exception();"); @@ -2018,7 +4381,6 @@ public class IoTCompiler { } - /** * generateCplusCallbackSkeletonClass() generate callback skeletons based on the methods list in C++ */ @@ -2040,28 +4402,32 @@ public class IoTCompiler { DeclarationHandler decHandler = mapIntDeclHand.get(intface); InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface); List methods = intDecl.getMethods(); - Set includeClasses = getIncludeClasses(methods, intDecl); + Set includeClasses = getIncludeClasses(methods, intDecl, intface, true); List stdIncludeClasses = getStandardCplusIncludeClasses(); - List allIncludeClasses = getAllImportClasses(stdIncludeClasses, includeClasses); + List allIncludeClasses = getAllLibClasses(stdIncludeClasses, includeClasses); printIncludeStatements(allIncludeClasses); println(""); + // Find out if there are callback objects + Set callbackClasses = getCallbackClasses(methods, intDecl); + boolean callbackExist = !callbackClasses.isEmpty(); println("using namespace std;\n"); // Write class header println("class " + newSkelClass + " : public " + intface); println("{"); println("private:\n"); // Write properties - writePropertiesCplusCallbackSkeleton(intface); + writePropertiesCplusCallbackSkeleton(intface, callbackExist, callbackClasses); println("public:\n"); // Write constructor - writeConstructorCplusCallbackSkeleton(newSkelClass, intface); + writeConstructorCplusCallbackSkeleton(newSkelClass, intface, callbackExist, intDecl, methods); // Write deconstructor - //writeDeconstructorCplusSkeleton(newSkelClass); + writeDeconstructorCplusCallbackSkeleton(newSkelClass, callbackExist, callbackClasses); // Write methods - writeMethodCplusSkeleton(methods, intDecl); + writeMethodCplusSkeleton(methods, intDecl, callbackClasses, true); // Write method helper - writeMethodHelperCplusCallbackSkeleton(methods, intDecl); + writeMethodHelperCplusCallbackSkeleton(methods, intDecl, callbackClasses); // Write waitRequestInvokeMethod() - main loop - writeCplusCallbackWaitRequestInvokeMethod(methods, intDecl); + writeCplusCallbackWaitRequestInvokeMethod(methods, intDecl, callbackExist); println("};"); + writeObjectIdCountInitializationCplus(newSkelClass, callbackExist); println("#endif"); pw.close(); System.out.println("IoTCompiler: Generated callback skeleton class " + newSkelClass + ".hpp..."); @@ -2099,35 +4465,6 @@ public class IoTCompiler { } - /** - * generateReturnStmt() generate return statement based on methType - */ - public String generateReturnStmt(String methType) { - - // Generate dummy returns for now - if (methType.equals("short")|| - methType.equals("int") || - methType.equals("long") || - methType.equals("float")|| - methType.equals("double")) { - - return "1"; - } else if ( methType.equals("String")) { - - return "\"a\""; - } else if ( methType.equals("char") || - methType.equals("byte")) { - - return "\'a\'"; - } else if ( methType.equals("boolean")) { - - return "true"; - } else { - return "null"; - } - } - - /** * setDirectory() sets a new directory for stub files */ @@ -2173,7 +4510,7 @@ public class IoTCompiler { pn = (ParseNode) parse.parse().value; } catch (Exception e) { e.printStackTrace(); - throw new Error("IoTCompiler: ERROR parsing policy file or wrong command line option: " + file); + throw new Error("IoTCompiler: ERROR parsing policy file or wrong command line option: " + file + "\n"); } return pn; @@ -2181,7 +4518,7 @@ public class IoTCompiler { /**================ - * Helper functions + * Basic helper functions **================ */ boolean newline=true; @@ -2204,16 +4541,22 @@ public class IoTCompiler { /** * This function converts Java to C++ type for compilation */ - private String convertType(String jType) { + private String convertType(String type) { - return mapPrimitives.get(jType); + if (mapPrimitives.containsKey(type)) + return mapPrimitives.get(type); + else + return type; } + /** + * A collection of methods with print-to-file functionality + */ private void println(String str) { if (newline) { int tab = tablevel; - if (str.equals("}")) + if (str.contains("}") && !str.contains("{")) tab--; for(int i=0; i for Set, #include for Map + // e.g. #include for Set private String getNonPrimitiveCplusClass(String paramNonPrimitives) { return mapNonPrimitivesCplus.get(paramNonPrimitives); @@ -2321,6 +4684,18 @@ public class IoTCompiler { } + // Generate a set of standard classes for import statements + private List getStandardJavaIntfaceImportClasses() { + + List importClasses = new ArrayList(); + // Add the standard list first + importClasses.add("java.util.List"); + importClasses.add("java.util.ArrayList"); + + return importClasses; + } + + // Generate a set of standard classes for import statements private List getStandardJavaImportClasses() { @@ -2329,6 +4704,7 @@ public class IoTCompiler { importClasses.add("java.io.IOException"); importClasses.add("java.util.List"); importClasses.add("java.util.ArrayList"); + importClasses.add("java.util.Arrays"); importClasses.add("iotrmi.Java.IoTRMICall"); importClasses.add("iotrmi.Java.IoTRMIObject"); @@ -2342,6 +4718,7 @@ public class IoTCompiler { List importClasses = new ArrayList(); // Add the standard list first importClasses.add(""); + importClasses.add(""); importClasses.add("\"IoTRMICall.hpp\""); importClasses.add("\"IoTRMIObject.hpp\""); @@ -2349,18 +4726,17 @@ public class IoTCompiler { } - // Generate a set of standard classes for import statements - private List getAllImportClasses(Collection stdImportClasses, Collection importClasses) { + // Combine all classes for import statements + private List getAllLibClasses(Collection stdLibClasses, Collection libClasses) { - List allImportClasses = new ArrayList(stdImportClasses); + List allLibClasses = new ArrayList(stdLibClasses); // Iterate over the list of import classes - for (String str : importClasses) { - if (!stdImportClasses.contains(str)) { - stdImportClasses.add(str); + for (String str : libClasses) { + if (!allLibClasses.contains(str)) { + allLibClasses.add(str); } } - - return allImportClasses; + return allLibClasses; } @@ -2383,8 +4759,148 @@ public class IoTCompiler { } + // Handle and return the correct enum declaration + // In Java, if we declare enum in Camera interface, then it becomes "Camera." + private String getEnumParamDecl(String type, InterfaceDecl intDecl) { + + // Strips off array "[]" for return type + String pureType = getSimpleArrayType(type); + // Take the inner type of generic + if (getParamCategory(type) == ParamCategory.NONPRIMITIVES) + pureType = getTypeOfGeneric(type)[0]; + if (isEnumClass(pureType)) { + String enumType = intDecl.getInterface() + "." + type; + return enumType; + } else + return type; + } + + + // Handle and return the correct type + private String getEnumParam(String type, String param, int i) { + + // Strips off array "[]" for return type + String pureType = getSimpleArrayType(type); + // Take the inner type of generic + if (getParamCategory(type) == ParamCategory.NONPRIMITIVES) + pureType = getTypeOfGeneric(type)[0]; + if (isEnumClass(pureType)) { + String enumParam = "paramEnum" + i; + return enumParam; + } else + return param; + } + + + // Handle and return the correct enum declaration translate into int[] + private String getEnumType(String type) { + + // Strips off array "[]" for return type + String pureType = getSimpleArrayType(type); + // Take the inner type of generic + if (getParamCategory(type) == ParamCategory.NONPRIMITIVES) + pureType = getGenericType(type); + if (isEnumClass(pureType)) { + String enumType = "int[]"; + return enumType; + } else + return type; + } + + // Handle and return the correct enum declaration translate into int* for C + private String getEnumCplusClsType(String type) { + + // Strips off array "[]" for return type + String pureType = getSimpleArrayType(type); + // Take the inner type of generic + if (getParamCategory(type) == ParamCategory.NONPRIMITIVES) + pureType = getGenericType(type); + if (isEnumClass(pureType)) { + String enumType = "int*"; + return enumType; + } else + return type; + } + + + // Handle and return the correct struct declaration + private String getStructType(String type) { + + // Strips off array "[]" for return type + String pureType = getSimpleArrayType(type); + // Take the inner type of generic + if (getParamCategory(type) == ParamCategory.NONPRIMITIVES) + pureType = getGenericType(type); + if (isStructClass(pureType)) { + String structType = "int"; + return structType; + } else + return type; + } + + + // Check if this an enum declaration + private boolean isEnumClass(String type) { + + // Just iterate over the set of interfaces + for (String intface : mapIntfacePTH.keySet()) { + DeclarationHandler decHandler = mapIntDeclHand.get(intface); + EnumDecl enumDecl = (EnumDecl) decHandler.getEnumDecl(intface); + Set setEnumDecl = enumDecl.getEnumDeclarations(); + if (setEnumDecl.contains(type)) + return true; + } + return false; + } + + + // Check if this an struct declaration + private boolean isStructClass(String type) { + + // Just iterate over the set of interfaces + for (String intface : mapIntfacePTH.keySet()) { + DeclarationHandler decHandler = mapIntDeclHand.get(intface); + StructDecl structDecl = (StructDecl) decHandler.getStructDecl(intface); + List listStructDecl = structDecl.getStructTypes(); + if (listStructDecl.contains(type)) + return true; + } + return false; + } + + + // Return a struct declaration + private StructDecl getStructDecl(String type) { + + // Just iterate over the set of interfaces + for (String intface : mapIntfacePTH.keySet()) { + DeclarationHandler decHandler = mapIntDeclHand.get(intface); + StructDecl structDecl = (StructDecl) decHandler.getStructDecl(intface); + List listStructDecl = structDecl.getStructTypes(); + if (listStructDecl.contains(type)) + return structDecl; + } + return null; + } + + + // Return number of members (-1 if not found) + private int getNumOfMembers(String type) { + + // Just iterate over the set of interfaces + for (String intface : mapIntfacePTH.keySet()) { + DeclarationHandler decHandler = mapIntDeclHand.get(intface); + StructDecl structDecl = (StructDecl) decHandler.getStructDecl(intface); + List listStructDecl = structDecl.getStructTypes(); + if (listStructDecl.contains(type)) + return structDecl.getNumOfMembers(type); + } + return -1; + } + + // Generate a set of classes for include statements - private Set getIncludeClasses(Collection methods, InterfaceDecl intDecl) { + private Set getIncludeClasses(Collection methods, InterfaceDecl intDecl, String intface, boolean needExchange) { Set includeClasses = new HashSet(); for (String method : methods) { @@ -2398,7 +4914,18 @@ public class IoTCompiler { if (getParamCategory(simpleType) == ParamCategory.NONPRIMITIVES) { includeClasses.add("<" + getNonPrimitiveCplusClass(simpleType) + ">"); } else if (getParamCategory(simpleType) == ParamCategory.USERDEFINED) { - includeClasses.add("\"" + exchangeParamType(simpleType) + ".hpp\""); + // For original interface, we need it exchanged... not for stub interfaces + if (needExchange) { + includeClasses.add("\"" + exchangeParamType(simpleType) + ".hpp\""); + includeClasses.add("\"" + exchangeParamType(simpleType) + "_CallbackStub.hpp\""); + } else { + includeClasses.add("\"" + simpleType + ".hpp\""); + includeClasses.add("\"" + simpleType + "_CallbackSkeleton.hpp\""); + } + } else if (getParamCategory(getSimpleArrayType(simpleType)) == ParamCategory.ENUM) { + includeClasses.add("\"" + simpleType + ".hpp\""); + } else if (getParamCategory(getSimpleArrayType(simpleType)) == ParamCategory.STRUCT) { + includeClasses.add("\"" + simpleType + ".hpp\""); } else if (param.contains("[]")) { // Check if this is array for C++; translate into vector includeClasses.add(""); @@ -2435,6 +4962,7 @@ public class IoTCompiler { } + // Print import statements into file private void printImportStatements(Collection importClasses) { for(String cls : importClasses) { @@ -2443,6 +4971,7 @@ public class IoTCompiler { } + // Print include statements into file private void printIncludeStatements(Collection includeClasses) { for(String cls : includeClasses) { @@ -2462,6 +4991,30 @@ public class IoTCompiler { } + // Gets generic type inside "<" and ">" + private String getGenericType(String type) { + + // Handle <, >, and , for 2-type generic/template + if (getParamCategory(type) == ParamCategory.NONPRIMITIVES) { + String[] substr = type.split("<")[1].split(">")[0].split(","); + return substr[0]; + } else + return type; + } + + + // This helper function strips off array declaration, e.g. int[] becomes int + private String getSimpleArrayType(String type) { + + // Handle [ for array declaration + String substr = type; + if (type.contains("[]")) { + substr = type.split("\\[\\]")[0]; + } + return substr; + } + + // This helper function strips off array declaration, e.g. D[] becomes D private String getSimpleIdentifier(String ident) { @@ -2474,6 +5027,7 @@ public class IoTCompiler { } + // Checks and gets type in C++ private String checkAndGetCplusType(String paramType) { if (getParamCategory(paramType) == ParamCategory.PRIMITIVES) { @@ -2484,17 +5038,22 @@ public class IoTCompiler { if (paramType.contains("<") && paramType.contains(">")) { String genericClass = getSimpleType(paramType); - String[] genericType = getTypeOfGeneric(paramType); + String genericType = getGenericType(paramType); String cplusTemplate = null; - if (genericType.length == 1) // Generic/template with one type - cplusTemplate = getNonPrimitiveCplusClass(genericClass) + - "<" + convertType(genericType[0]) + ">"; - else // Generic/template with two types - cplusTemplate = getNonPrimitiveCplusClass(genericClass) + - "<" + convertType(genericType[0]) + "," + convertType(genericType[1]) + ">"; + cplusTemplate = getNonPrimitiveCplusClass(genericClass); + if(getParamCategory(getGenericType(paramType)) == ParamCategory.USERDEFINED) { + cplusTemplate = cplusTemplate + "<" + genericType + "*>"; + } else { + cplusTemplate = cplusTemplate + "<" + convertType(genericType) + ">"; + } return cplusTemplate; } else return getNonPrimitiveCplusClass(paramType); + } else if(paramType.contains("[]")) { // Array type (used for return type only) + String cArray = "vector<" + convertType(getSimpleArrayType(paramType)) + ">"; + return cArray; + } else if(getParamCategory(paramType) == ParamCategory.USERDEFINED) { + return paramType + "*"; } else // Just return it as is if it's not non-primitives return paramType; @@ -2558,6 +5117,52 @@ public class IoTCompiler { } + // Return the class type for class resolution (for return value) + // - Check and return C++ array class, e.g. int A[] into int* + // - Check and return C++ vector class, e.g. List A into vector + private String checkAndGetCplusRetClsType(String paramType) { + + String paramTypeRet = null; + // Check for array declaration + if (paramType.contains("[]")) { + String type = paramType.split("\\[\\]")[0]; + paramTypeRet = getSimpleArrayType(type) + "*"; + } else if (paramType.contains("<") && paramType.contains(">")) { + // Just return it as is if it's not an array + String type = paramType.split("<")[1].split(">")[0]; + paramTypeRet = "vector<" + getGenericType(type) + ">"; + } else + paramTypeRet = paramType; + + return paramTypeRet; + } + + + // Return the class type for class resolution (for method arguments) + // - Check and return C++ array class, e.g. int A[] into int* + // - Check and return C++ vector class, e.g. List A into vector + private String checkAndGetCplusArgClsType(String paramType, String param) { + + String paramTypeRet = getEnumCplusClsType(paramType); + if (!paramTypeRet.equals(paramType)) + // Just return if it is an enum type + // Type will still be the same if it's not an enum type + return paramTypeRet; + + // Check for array declaration + if (param.contains("[]")) { + paramTypeRet = getSimpleArrayType(paramType) + "*"; + } else if (paramType.contains("<") && paramType.contains(">")) { + // Just return it as is if it's not an array + String type = paramType.split("<")[1].split(">")[0]; + paramTypeRet = "vector<" + getGenericType(type) + ">"; + } else + paramTypeRet = paramType; + + return paramTypeRet; + } + + // Detect array declaration, e.g. int A[], // then generate type "int[]" private String checkAndGetArray(String paramType, String param) { @@ -2578,17 +5183,18 @@ public class IoTCompiler { private boolean isArrayOrList(String paramType, String param) { // Check for array declaration - if (isArray(paramType, param)) + if (isArray(param)) return true; - else if (isList(paramType, param)) + else if (isList(paramType)) return true; else return false; } - // Is array or list? - private boolean isArray(String paramType, String param) { + // Is array? + // For return type we use retType as input parameter + private boolean isArray(String param) { // Check for array declaration if (param.contains("[]")) @@ -2598,8 +5204,8 @@ public class IoTCompiler { } - // Is array or list? - private boolean isList(String paramType, String param) { + // Is list? + private boolean isList(String paramType) { // Check for array declaration if (paramType.contains("List")) @@ -2610,15 +5216,14 @@ public class IoTCompiler { // Get the right type for a callback object - private String checkAndGetParamClass(String paramType, boolean needPtr) { + private String checkAndGetParamClass(String paramType) { // Check if this is generics if(getParamCategory(paramType) == ParamCategory.USERDEFINED) { - // If true then return with pointer (C++) - if (needPtr) - return exchangeParamType(paramType) + "*"; - else // Java, so no pointer needed - return exchangeParamType(paramType); + return exchangeParamType(paramType); + } else if (isList(paramType) && + (getParamCategory(getGenericType(paramType)) == ParamCategory.USERDEFINED)) { + return "List<" + exchangeParamType(getGenericType(paramType)) + ">"; } else return paramType; } @@ -2642,7 +5247,7 @@ public class IoTCompiler { } else { throw new Error("IoTCompiler: Ambiguous stub interfaces: " + setExchInt.toString() + ". Only one new interface can be declared if the object " + intface + - " needs to be passed in as an input parameter!"); + " needs to be passed in as an input parameter!\n"); } } else { // NULL value - this means policy files missing @@ -2651,7 +5256,7 @@ public class IoTCompiler { " If this is an array please type the brackets after the variable name," + " e.g. \"String str[]\", not \"String[] str\"." + " If this is a Collections (Java) / STL (C++) type, this compiler only" + - " supports List/ArrayList (Java) or list (C++)."); + " supports List/ArrayList (Java) or list (C++).\n"); } } @@ -2688,12 +5293,16 @@ public class IoTCompiler { // Generate everything if we don't see "-java" or "-cplus" if (i == args.length) { + comp.generateEnumJava(); + comp.generateStructJava(); comp.generateJavaLocalInterfaces(); comp.generateJavaInterfaces(); comp.generateJavaStubClasses(); comp.generateJavaCallbackStubClasses(); comp.generateJavaSkeletonClass(); comp.generateJavaCallbackSkeletonClass(); + comp.generateEnumCplus(); + comp.generateStructCplus(); comp.generateCplusLocalInterfaces(); comp.generateCPlusInterfaces(); comp.generateCPlusStubClasses(); @@ -2706,14 +5315,16 @@ public class IoTCompiler { // Error checking if (!args[i].equals("-java") && !args[i].equals("-cplus")) { - throw new Error("IoTCompiler: ERROR - unrecognized command line option: " + args[i]); + throw new Error("IoTCompiler: ERROR - unrecognized command line option: " + args[i] + "\n"); } else { if (i + 1 < args.length) { comp.setDirectory(args[i+1]); } else - throw new Error("IoTCompiler: ERROR - please provide after option: " + args[i]); + throw new Error("IoTCompiler: ERROR - please provide after option: " + args[i] + "\n"); if (args[i].equals("-java")) { + comp.generateEnumJava(); + comp.generateStructJava(); comp.generateJavaLocalInterfaces(); comp.generateJavaInterfaces(); comp.generateJavaStubClasses(); @@ -2721,6 +5332,8 @@ public class IoTCompiler { comp.generateJavaSkeletonClass(); comp.generateJavaCallbackSkeletonClass(); } else { + comp.generateEnumCplus(); + comp.generateStructCplus(); comp.generateCplusLocalInterfaces(); comp.generateCPlusInterfaces(); comp.generateCPlusStubClasses(); @@ -2735,11 +5348,9 @@ public class IoTCompiler { } else { // Need to at least have exactly 2 parameters, i.e. main policy file and requires file IoTCompiler.printUsage(); - throw new Error("IoTCompiler: At least two arguments (main and requires policy files) have to be provided!"); + throw new Error("IoTCompiler: At least two arguments (main and requires policy files) have to be provided!\n"); } } } - -