} END_TEST START_TEST(AddAndRemovePublishedDataSetItems){ UA_StatusCode retVal; UA_Client *client = UA_Client_new(); UA_ClientConfig_setDefault(UA_Client_getConfig(client)); retVal = UA_Client_connect(client, "opc.tcp://localhost:4840"); if(retVal != UA_STATUSCODE_GOOD) { UA_Client_delete(client); } ck_assert_int_eq(retVal, UA_STATUSCODE_GOOD); UA_Variant *inputArguments = (UA_Variant *) UA_calloc(4, (sizeof(UA_Variant))); UA_String pdsName = UA_STRING("Test PDS"); UA_Variant_setScalar(&inputArguments[0], &pdsName, &UA_TYPES[UA_TYPES_STRING]); UA_String *fieldNameAliases = (UA_String *) UA_calloc(2, sizeof(UA_String)); fieldNameAliases[0] = UA_STRING("field1"); fieldNameAliases[1] = UA_STRING("field2"); UA_Variant_setArray(&inputArguments[1], fieldNameAliases, 2, &UA_TYPES[UA_TYPES_STRING]); UA_DataSetFieldFlags *dataSetFieldFlags = (UA_DataSetFieldFlags *) UA_calloc(2, sizeof(UA_DataSetFieldFlags)); dataSetFieldFlags[0] = UA_DATASETFIELDFLAGS_PROMOTEDFIELD; dataSetFieldFlags[1] = UA_DATASETFIELDFLAGS_PROMOTEDFIELD; UA_Variant_setArray(&inputArguments[2], dataSetFieldFlags, 2, &UA_TYPES[UA_TYPES_DATASETFIELDFLAGS]); UA_PublishedVariableDataType *variablesToAdd = (UA_PublishedVariableDataType *) UA_calloc(2, sizeof(UA_PublishedVariableDataType)); variablesToAdd[0].publishedVariable = UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_LOCALTIME); variablesToAdd[0].attributeId = UA_ATTRIBUTEID_VALUE; variablesToAdd[1].publishedVariable = UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERREDUNDANCY_CURRENTSERVERID); variablesToAdd[1].attributeId = UA_ATTRIBUTEID_VALUE; UA_Variant_setArray(&inputArguments[3], variablesToAdd, 2, &UA_TYPES[UA_TYPES_PUBLISHEDVARIABLEDATATYPE]); UA_CallMethodRequest callMethodRequest; UA_CallMethodRequest_init(&callMethodRequest); callMethodRequest.inputArgumentsSize = 4; callMethodRequest.inputArguments = inputArguments; callMethodRequest.objectId = UA_NODEID_NUMERIC(0, UA_NS0ID_PUBLISHSUBSCRIBE_PUBLISHEDDATASETS); callMethodRequest.methodId = UA_NODEID_NUMERIC(0, UA_NS0ID_DATASETFOLDERTYPE_ADDPUBLISHEDDATAITEMS); UA_CallMethodResult result; UA_CallMethodResult_init(&result); result = UA_Server_call(server, &callMethodRequest); ck_assert_int_eq(3, result.outputArgumentsSize); ck_assert_int_eq(result.statusCode, UA_STATUSCODE_GOOD); //TODO checked correctness of created items UA_CallMethodResult_deleteMembers(&result); UA_free(inputArguments); UA_free(fieldNameAliases); UA_free(dataSetFieldFlags); UA_free(variablesToAdd); UA_Client_disconnect(client); UA_Client_delete(client); } END_TEST
static void addVariable(size_t size) { /* Define the attribute of the myInteger variable node */ UA_VariableAttributes attr = UA_VariableAttributes_default; UA_Int32* array = (UA_Int32*)UA_malloc(size * sizeof(UA_Int32)); memset(array, 0, size * sizeof(UA_Int32)); UA_Variant_setArray(&attr.value, array, size, &UA_TYPES[UA_TYPES_INT32]); char name[] = "my.variable"; attr.description = UA_LOCALIZEDTEXT("en-US", name); attr.displayName = UA_LOCALIZEDTEXT("en-US", name); attr.dataType = UA_TYPES[UA_TYPES_INT32].typeId; /* Add the variable node to the information model */ UA_NodeId myIntegerNodeId = UA_NODEID_STRING(1, name); UA_QualifiedName myIntegerName = UA_QUALIFIEDNAME(1, name); UA_NodeId parentNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER); UA_NodeId parentReferenceNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES); UA_Server_addVariableNode(server, myIntegerNodeId, parentNodeId, parentReferenceNodeId, myIntegerName, UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATAVARIABLETYPE), attr, NULL, NULL); UA_free(array); }
static UA_StatusCode readArrayDimensionsAttribute(const UA_VariableNode *vn, UA_DataValue *v) { UA_Variant_setArray(&v->value, vn->arrayDimensions, vn->arrayDimensionsSize, &UA_TYPES[UA_TYPES_UINT32]); v->value.storageType = UA_VARIANT_DATA_NODELETE; v->hasValue = true; return UA_STATUSCODE_GOOD; }
static void addVariableType2DPoint(UA_Server *server) { UA_VariableTypeAttributes vtAttr = UA_VariableTypeAttributes_default; vtAttr.dataType = UA_TYPES[UA_TYPES_DOUBLE].typeId; vtAttr.valueRank = 1; /* array with one dimension */ UA_UInt32 arrayDims[1] = {2}; vtAttr.arrayDimensions = arrayDims; vtAttr.arrayDimensionsSize = 1; vtAttr.displayName = UA_LOCALIZEDTEXT("en-US", "2DPoint Type"); /* a matching default value is required */ UA_Double zero[2] = {0.0, 0.0}; UA_Variant_setArray(&vtAttr.value, zero, 2, &UA_TYPES[UA_TYPES_DOUBLE]); UA_Server_addVariableTypeNode(server, UA_NODEID_NULL, UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATAVARIABLETYPE), UA_NODEID_NUMERIC(0, UA_NS0ID_HASSUBTYPE), UA_QUALIFIEDNAME(1, "2DPoint Type"), UA_NODEID_NULL, vtAttr, NULL, &pointTypeId); }
static UA_StatusCode getVariableNodeArrayDimensions(const UA_VariableNode *vn, UA_DataValue *v) { UA_StatusCode retval = UA_STATUSCODE_GOOD; if(vn->valueSource == UA_VALUESOURCE_VARIANT) { UA_Variant_setArray(&v->value, vn->value.variant.value.arrayDimensions, vn->value.variant.value.arrayDimensionsSize, &UA_TYPES[UA_TYPES_INT32]); v->value.storageType = UA_VARIANT_DATA_NODELETE; } else { if(vn->value.dataSource.read == NULL) return UA_STATUSCODE_BADINTERNALERROR; /* Read the datasource to see the array dimensions */ UA_DataValue val; UA_DataValue_init(&val); retval = vn->value.dataSource.read(vn->value.dataSource.handle, vn->nodeId, UA_FALSE, NULL, &val); if(retval != UA_STATUSCODE_GOOD) return retval; retval = UA_Variant_setArrayCopy(&v->value, val.value.arrayDimensions, val.value.arrayDimensionsSize, &UA_TYPES[UA_TYPES_INT32]); UA_DataValue_deleteMembers(&val); } return retval; }
UA_StatusCode UA_Client_writeArrayDimensionsAttribute(UA_Client *client, const UA_NodeId nodeId, const UA_Int32 *newArrayDimensions, size_t newArrayDimensionsSize) { if(!newArrayDimensions) return UA_STATUSCODE_BADTYPEMISMATCH; UA_WriteValue wValue; UA_WriteValue_init(&wValue); wValue.nodeId = nodeId; wValue.attributeId = UA_ATTRIBUTEID_ARRAYDIMENSIONS; UA_Variant_setArray(&wValue.value.value, (void*)(uintptr_t)newArrayDimensions, newArrayDimensionsSize, &UA_TYPES[UA_TYPES_INT32]); wValue.value.hasValue = true; UA_WriteRequest wReq; UA_WriteRequest_init(&wReq); wReq.nodesToWrite = &wValue; wReq.nodesToWriteSize = 1; UA_WriteResponse wResp = UA_Client_Service_write(client, wReq); UA_StatusCode retval = wResp.responseHeader.serviceResult; UA_WriteResponse_deleteMembers(&wResp); return retval; }
int main(int argc, char **argv) { signal(SIGINT, stopHandler); /* catches ctrl-c */ signal(SIGTERM, stopHandler); #ifdef UA_ENABLE_ENCRYPTION if(argc < 3) { UA_LOG_FATAL(UA_Log_Stdout, UA_LOGCATEGORY_USERLAND, "Missing arguments for encryption support. " "Arguments are <server-certificate.der> " "<private-key.der> [<trustlist1.crl>, ...]"); return 1; } /* Load certificate and private key */ UA_ByteString certificate = loadFile(argv[1]); UA_ByteString privateKey = loadFile(argv[2]); /* Load the trustlist */ size_t trustListSize = 0; if(argc > 3) trustListSize = (size_t)argc-3; UA_STACKARRAY(UA_ByteString, trustList, trustListSize); for(size_t i = 0; i < trustListSize; i++) trustList[i] = loadFile(argv[i+3]); /* Loading of a revocation list currently unsupported */ UA_ByteString *revocationList = NULL; size_t revocationListSize = 0; UA_ServerConfig *config = UA_ServerConfig_new_allSecurityPolicies(4840, &certificate, &privateKey, trustList, trustListSize, revocationList, revocationListSize); UA_ByteString_deleteMembers(&certificate); UA_ByteString_deleteMembers(&privateKey); for(size_t i = 0; i < trustListSize; i++) UA_ByteString_deleteMembers(&trustList[i]); if(!config) { UA_LOG_FATAL(UA_Log_Stdout, UA_LOGCATEGORY_USERLAND, "Could not create the server config"); return 1; } #else if(argc < 2) { UA_LOG_FATAL(UA_Log_Stdout, UA_LOGCATEGORY_USERLAND, "Missing argument for the server certificate"); return 1; } UA_ByteString certificate = loadFile(argv[1]); UA_ServerConfig *config = UA_ServerConfig_new_minimal(4840, &certificate); UA_ByteString_deleteMembers(&certificate); #endif /* uncomment next line to add a custom hostname */ // UA_ServerConfig_set_customHostname(config, UA_STRING("custom")); UA_Server *server = UA_Server_new(config); if(server == NULL) return 1; /* add a static variable node to the server */ UA_VariableAttributes myVar = UA_VariableAttributes_default; myVar.description = UA_LOCALIZEDTEXT("en-US", "the answer"); myVar.displayName = UA_LOCALIZEDTEXT("en-US", "the answer"); myVar.accessLevel = UA_ACCESSLEVELMASK_READ | UA_ACCESSLEVELMASK_WRITE; myVar.dataType = UA_TYPES[UA_TYPES_INT32].typeId; myVar.valueRank = -1; UA_Int32 myInteger = 42; UA_Variant_setScalarCopy(&myVar.value, &myInteger, &UA_TYPES[UA_TYPES_INT32]); const UA_QualifiedName myIntegerName = UA_QUALIFIEDNAME(1, "the answer"); const UA_NodeId myIntegerNodeId = UA_NODEID_STRING(1, "the.answer"); UA_NodeId parentNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER); UA_NodeId parentReferenceNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES); UA_Server_addVariableNode(server, myIntegerNodeId, parentNodeId, parentReferenceNodeId, myIntegerName, baseDataVariableType, myVar, NULL, NULL); UA_Variant_deleteMembers(&myVar.value); /* add a static variable that is readable but not writable*/ myVar = UA_VariableAttributes_default; myVar.description = UA_LOCALIZEDTEXT("en-US", "the answer - not readable"); myVar.displayName = UA_LOCALIZEDTEXT("en-US", "the answer - not readable"); myVar.accessLevel = UA_ACCESSLEVELMASK_WRITE; myVar.dataType = UA_TYPES[UA_TYPES_INT32].typeId; myVar.valueRank = -1; UA_Variant_setScalarCopy(&myVar.value, &myInteger, &UA_TYPES[UA_TYPES_INT32]); const UA_QualifiedName myInteger2Name = UA_QUALIFIEDNAME(1, "the answer - not readable"); const UA_NodeId myInteger2NodeId = UA_NODEID_STRING(1, "the.answer.no.read"); UA_Server_addVariableNode(server, myInteger2NodeId, parentNodeId, parentReferenceNodeId, myInteger2Name, baseDataVariableType, myVar, NULL, NULL); UA_Variant_deleteMembers(&myVar.value); /* add a variable with the datetime data source */ UA_DataSource dateDataSource; dateDataSource.read = readTimeData; dateDataSource.write = NULL; UA_VariableAttributes v_attr = UA_VariableAttributes_default; v_attr.description = UA_LOCALIZEDTEXT("en-US", "current time"); v_attr.displayName = UA_LOCALIZEDTEXT("en-US", "current time"); v_attr.accessLevel = UA_ACCESSLEVELMASK_READ; v_attr.dataType = UA_TYPES[UA_TYPES_DATETIME].typeId; v_attr.valueRank = -1; const UA_QualifiedName dateName = UA_QUALIFIEDNAME(1, "current time"); UA_Server_addDataSourceVariableNode(server, UA_NODEID_NULL, UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), dateName, baseDataVariableType, v_attr, dateDataSource, NULL, NULL); /* Add HelloWorld method to the server */ #ifdef UA_ENABLE_METHODCALLS /* Method with IO Arguments */ UA_Argument inputArguments; UA_Argument_init(&inputArguments); inputArguments.dataType = UA_TYPES[UA_TYPES_STRING].typeId; inputArguments.description = UA_LOCALIZEDTEXT("en-US", "Say your name"); inputArguments.name = UA_STRING("Name"); inputArguments.valueRank = -1; /* scalar argument */ UA_Argument outputArguments; UA_Argument_init(&outputArguments); outputArguments.arrayDimensionsSize = 0; outputArguments.arrayDimensions = NULL; outputArguments.dataType = UA_TYPES[UA_TYPES_STRING].typeId; outputArguments.description = UA_LOCALIZEDTEXT("en-US", "Receive a greeting"); outputArguments.name = UA_STRING("greeting"); outputArguments.valueRank = -1; UA_MethodAttributes addmethodattributes = UA_MethodAttributes_default; addmethodattributes.displayName = UA_LOCALIZEDTEXT("en-US", "Hello World"); addmethodattributes.executable = true; addmethodattributes.userExecutable = true; UA_Server_addMethodNode(server, UA_NODEID_NUMERIC(1, 62541), UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER), UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT), UA_QUALIFIEDNAME(1, "hello_world"), addmethodattributes, &helloWorld, /* callback of the method node */ 1, &inputArguments, 1, &outputArguments, NULL, NULL); #endif /* Add folders for demo information model */ #define DEMOID 50000 #define SCALARID 50001 #define ARRAYID 50002 #define MATRIXID 50003 #define DEPTHID 50004 UA_ObjectAttributes object_attr = UA_ObjectAttributes_default; object_attr.description = UA_LOCALIZEDTEXT("en-US", "Demo"); object_attr.displayName = UA_LOCALIZEDTEXT("en-US", "Demo"); UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), UA_QUALIFIEDNAME(1, "Demo"), UA_NODEID_NUMERIC(0, UA_NS0ID_FOLDERTYPE), object_attr, NULL, NULL); object_attr.description = UA_LOCALIZEDTEXT("en-US", "Scalar"); object_attr.displayName = UA_LOCALIZEDTEXT("en-US", "Scalar"); UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, SCALARID), UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), UA_QUALIFIEDNAME(1, "Scalar"), UA_NODEID_NUMERIC(0, UA_NS0ID_FOLDERTYPE), object_attr, NULL, NULL); object_attr.description = UA_LOCALIZEDTEXT("en-US", "Array"); object_attr.displayName = UA_LOCALIZEDTEXT("en-US", "Array"); UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, ARRAYID), UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), UA_QUALIFIEDNAME(1, "Array"), UA_NODEID_NUMERIC(0, UA_NS0ID_FOLDERTYPE), object_attr, NULL, NULL); object_attr.description = UA_LOCALIZEDTEXT("en-US", "Matrix"); object_attr.displayName = UA_LOCALIZEDTEXT("en-US", "Matrix"); UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, MATRIXID), UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), UA_QUALIFIEDNAME(1, "Matrix"), UA_NODEID_NUMERIC(0, UA_NS0ID_FOLDERTYPE), object_attr, NULL, NULL); /* Fill demo nodes for each type*/ UA_UInt32 id = 51000; // running id in namespace 0 for(UA_UInt32 type = 0; type < UA_TYPES_DIAGNOSTICINFO; type++) { if(type == UA_TYPES_VARIANT || type == UA_TYPES_DIAGNOSTICINFO) continue; UA_VariableAttributes attr = UA_VariableAttributes_default; attr.valueRank = -2; attr.dataType = UA_TYPES[type].typeId; #ifndef UA_ENABLE_TYPENAMES char name[15]; #if defined(_WIN32) && !defined(__MINGW32__) sprintf_s(name, 15, "%02d", type); #else sprintf(name, "%02d", type); #endif attr.displayName = UA_LOCALIZEDTEXT("en-US", name); UA_QualifiedName qualifiedName = UA_QUALIFIEDNAME(1, name); #else attr.displayName = UA_LOCALIZEDTEXT_ALLOC("en-US", UA_TYPES[type].typeName); UA_QualifiedName qualifiedName = UA_QUALIFIEDNAME_ALLOC(1, UA_TYPES[type].typeName); #endif attr.accessLevel = UA_ACCESSLEVELMASK_READ | UA_ACCESSLEVELMASK_WRITE; attr.writeMask = UA_WRITEMASK_DISPLAYNAME | UA_WRITEMASK_DESCRIPTION; attr.userWriteMask = UA_WRITEMASK_DISPLAYNAME | UA_WRITEMASK_DESCRIPTION; /* add a scalar node for every built-in type */ void *value = UA_new(&UA_TYPES[type]); UA_Variant_setScalar(&attr.value, value, &UA_TYPES[type]); UA_Server_addVariableNode(server, UA_NODEID_NUMERIC(1, ++id), UA_NODEID_NUMERIC(1, SCALARID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), qualifiedName, baseDataVariableType, attr, NULL, NULL); UA_Variant_deleteMembers(&attr.value); /* add an array node for every built-in type */ UA_Variant_setArray(&attr.value, UA_Array_new(10, &UA_TYPES[type]), 10, &UA_TYPES[type]); UA_Server_addVariableNode(server, UA_NODEID_NUMERIC(1, ++id), UA_NODEID_NUMERIC(1, ARRAYID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), qualifiedName, baseDataVariableType, attr, NULL, NULL); UA_Variant_deleteMembers(&attr.value); /* add an matrix node for every built-in type */ void *myMultiArray = UA_Array_new(9, &UA_TYPES[type]); attr.value.arrayDimensions = (UA_UInt32 *)UA_Array_new(2, &UA_TYPES[UA_TYPES_INT32]); attr.value.arrayDimensions[0] = 3; attr.value.arrayDimensions[1] = 3; attr.value.arrayDimensionsSize = 2; attr.value.arrayLength = 9; attr.value.data = myMultiArray; attr.value.type = &UA_TYPES[type]; UA_Server_addVariableNode(server, UA_NODEID_NUMERIC(1, ++id), UA_NODEID_NUMERIC(1, MATRIXID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), qualifiedName, baseDataVariableType, attr, NULL, NULL); UA_Variant_deleteMembers(&attr.value); #ifdef UA_ENABLE_TYPENAMES UA_LocalizedText_deleteMembers(&attr.displayName); UA_QualifiedName_deleteMembers(&qualifiedName); #endif } /* Hierarchy of depth 10 for CTT testing with forward and inverse references */ /* Enter node "depth 9" in CTT configuration - Project->Settings->Server Test->NodeIds->Paths->Starting Node 1 */ object_attr.description = UA_LOCALIZEDTEXT("en-US", "DepthDemo"); object_attr.displayName = UA_LOCALIZEDTEXT("en-US", "DepthDemo"); UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, DEPTHID), UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), UA_QUALIFIEDNAME(1, "DepthDemo"), UA_NODEID_NUMERIC(0, UA_NS0ID_FOLDERTYPE), object_attr, NULL, NULL); id = DEPTHID; // running id in namespace 0 - Start with Matrix NODE for(UA_UInt32 i = 1; i <= 20; i++) { char name[15]; #if defined(_WIN32) && !defined(__MINGW32__) sprintf_s(name, 15, "depth%i", i); #else sprintf(name, "depth%i", i); #endif object_attr.description = UA_LOCALIZEDTEXT("en-US", name); object_attr.displayName = UA_LOCALIZEDTEXT("en-US", name); UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, id + i), UA_NODEID_NUMERIC(1, i == 1 ? DEPTHID : id + i - 1), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), UA_QUALIFIEDNAME(1, name), UA_NODEID_NUMERIC(0, UA_NS0ID_FOLDERTYPE), object_attr, NULL, NULL); } /* Add the variable to some more places to get a node with three inverse references for the CTT */ UA_ExpandedNodeId answer_nodeid = UA_EXPANDEDNODEID_STRING(1, "the.answer"); UA_Server_addReference(server, UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), answer_nodeid, true); UA_Server_addReference(server, UA_NODEID_NUMERIC(1, SCALARID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), answer_nodeid, true); /* Example for manually setting an attribute within the server */ UA_LocalizedText objectsName = UA_LOCALIZEDTEXT("en-US", "Objects"); UA_Server_writeDisplayName(server, UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER), objectsName); #define NOARGID 60000 #define INARGID 60001 #define OUTARGID 60002 #define INOUTARGID 60003 #ifdef UA_ENABLE_METHODCALLS /* adding some more method nodes to pass CTT */ /* Method without arguments */ addmethodattributes = UA_MethodAttributes_default; addmethodattributes.displayName = UA_LOCALIZEDTEXT("en-US", "noarg"); addmethodattributes.executable = true; addmethodattributes.userExecutable = true; UA_Server_addMethodNode(server, UA_NODEID_NUMERIC(1, NOARGID), UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT), UA_QUALIFIEDNAME(1, "noarg"), addmethodattributes, &noargMethod, /* callback of the method node */ 0, NULL, 0, NULL, NULL, NULL); /* Method with in arguments */ addmethodattributes = UA_MethodAttributes_default; addmethodattributes.displayName = UA_LOCALIZEDTEXT("en-US", "inarg"); addmethodattributes.executable = true; addmethodattributes.userExecutable = true; UA_Argument_init(&inputArguments); inputArguments.dataType = UA_TYPES[UA_TYPES_INT32].typeId; inputArguments.description = UA_LOCALIZEDTEXT("en-US", "Input"); inputArguments.name = UA_STRING("Input"); inputArguments.valueRank = -1; //uaexpert will crash if set to 0 ;) UA_Server_addMethodNode(server, UA_NODEID_NUMERIC(1, INARGID), UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT), UA_QUALIFIEDNAME(1, "noarg"), addmethodattributes, &noargMethod, /* callback of the method node */ 1, &inputArguments, 0, NULL, NULL, NULL); /* Method with out arguments */ addmethodattributes = UA_MethodAttributes_default; addmethodattributes.displayName = UA_LOCALIZEDTEXT("en-US", "outarg"); addmethodattributes.executable = true; addmethodattributes.userExecutable = true; UA_Argument_init(&outputArguments); outputArguments.dataType = UA_TYPES[UA_TYPES_INT32].typeId; outputArguments.description = UA_LOCALIZEDTEXT("en-US", "Output"); outputArguments.name = UA_STRING("Output"); outputArguments.valueRank = -1; UA_Server_addMethodNode(server, UA_NODEID_NUMERIC(1, OUTARGID), UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT), UA_QUALIFIEDNAME(1, "outarg"), addmethodattributes, &outargMethod, /* callback of the method node */ 0, NULL, 1, &outputArguments, NULL, NULL); /* Method with inout arguments */ addmethodattributes = UA_MethodAttributes_default; addmethodattributes.displayName = UA_LOCALIZEDTEXT("en-US", "inoutarg"); addmethodattributes.executable = true; addmethodattributes.userExecutable = true; UA_Server_addMethodNode(server, UA_NODEID_NUMERIC(1, INOUTARGID), UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT), UA_QUALIFIEDNAME(1, "inoutarg"), addmethodattributes, &outargMethod, /* callback of the method node */ 1, &inputArguments, 1, &outputArguments, NULL, NULL); #endif /* run server */ UA_StatusCode retval = UA_Server_run(server, &running); UA_Server_delete(server); UA_ServerConfig_delete(config); return (int)retval; }
static void setInformationModel(UA_Server *server) { /* add a static variable node to the server */ UA_VariableAttributes myVar = UA_VariableAttributes_default; myVar.description = UA_LOCALIZEDTEXT("en-US", "the answer"); myVar.displayName = UA_LOCALIZEDTEXT("en-US", "the answer"); myVar.accessLevel = UA_ACCESSLEVELMASK_READ | UA_ACCESSLEVELMASK_WRITE; myVar.dataType = UA_TYPES[UA_TYPES_INT32].typeId; myVar.valueRank = UA_VALUERANK_SCALAR; UA_Int32 myInteger = 42; UA_Variant_setScalar(&myVar.value, &myInteger, &UA_TYPES[UA_TYPES_INT32]); const UA_QualifiedName myIntegerName = UA_QUALIFIEDNAME(1, "the answer"); const UA_NodeId myIntegerNodeId = UA_NODEID_STRING(1, "the.answer"); UA_NodeId parentNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER); UA_NodeId parentReferenceNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES); UA_Server_addVariableNode(server, myIntegerNodeId, parentNodeId, parentReferenceNodeId, myIntegerName, baseDataVariableType, myVar, NULL, NULL); /* add a static variable that is readable but not writable*/ myVar = UA_VariableAttributes_default; myVar.description = UA_LOCALIZEDTEXT("en-US", "the answer - not readable"); myVar.displayName = UA_LOCALIZEDTEXT("en-US", "the answer - not readable"); myVar.accessLevel = UA_ACCESSLEVELMASK_WRITE; myVar.dataType = UA_TYPES[UA_TYPES_INT32].typeId; myVar.valueRank = UA_VALUERANK_SCALAR; UA_Variant_setScalar(&myVar.value, &myInteger, &UA_TYPES[UA_TYPES_INT32]); const UA_QualifiedName myInteger2Name = UA_QUALIFIEDNAME(1, "the answer - not readable"); const UA_NodeId myInteger2NodeId = UA_NODEID_STRING(1, "the.answer.no.read"); UA_Server_addVariableNode(server, myInteger2NodeId, parentNodeId, parentReferenceNodeId, myInteger2Name, baseDataVariableType, myVar, NULL, NULL); /* add a variable that is not readable or writable for the current user */ myVar = UA_VariableAttributes_default; myVar.description = UA_LOCALIZEDTEXT("en-US", "the answer - not current user"); myVar.displayName = UA_LOCALIZEDTEXT("en-US", "the answer - not current user"); myVar.accessLevel = UA_ACCESSLEVELMASK_WRITE; myVar.dataType = UA_TYPES[UA_TYPES_INT32].typeId; myVar.valueRank = UA_VALUERANK_SCALAR; myVar.accessLevel = UA_ACCESSLEVELMASK_READ | UA_ACCESSLEVELMASK_WRITE; UA_Variant_setScalar(&myVar.value, &myInteger, &UA_TYPES[UA_TYPES_INT32]); const UA_QualifiedName accessDeniedName = UA_QUALIFIEDNAME(1, "the answer - not current user"); UA_Server_addVariableNode(server, accessDenied, parentNodeId, parentReferenceNodeId, accessDeniedName, baseDataVariableType, myVar, NULL, NULL); /* add a variable with the datetime data source */ UA_DataSource dateDataSource; dateDataSource.read = readTimeData; dateDataSource.write = NULL; UA_VariableAttributes v_attr = UA_VariableAttributes_default; v_attr.description = UA_LOCALIZEDTEXT("en-US", "current time"); v_attr.displayName = UA_LOCALIZEDTEXT("en-US", "current time"); v_attr.accessLevel = UA_ACCESSLEVELMASK_READ; v_attr.dataType = UA_TYPES[UA_TYPES_DATETIME].typeId; v_attr.valueRank = UA_VALUERANK_SCALAR; const UA_QualifiedName dateName = UA_QUALIFIEDNAME(1, "current time"); UA_Server_addDataSourceVariableNode(server, UA_NODEID_NUMERIC(1, 2345), UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), dateName, baseDataVariableType, v_attr, dateDataSource, NULL, NULL); /* add a bytestring variable with some content */ myVar = UA_VariableAttributes_default; myVar.description = UA_LOCALIZEDTEXT("", ""); myVar.displayName = UA_LOCALIZEDTEXT("", "example bytestring"); myVar.dataType = UA_TYPES[UA_TYPES_BYTESTRING].typeId; myVar.valueRank = UA_VALUERANK_SCALAR; myVar.accessLevel = UA_ACCESSLEVELMASK_READ | UA_ACCESSLEVELMASK_WRITE; UA_ByteString myByteString = UA_BYTESTRING("test123\0test123"); UA_Variant_setScalar(&myVar.value, &myByteString, &UA_TYPES[UA_TYPES_BYTESTRING]); const UA_QualifiedName byteStringName = UA_QUALIFIEDNAME(1, "example bytestring"); UA_Server_addVariableNode(server, UA_NODEID_STRING(1, "myByteString"), UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), byteStringName, baseDataVariableType, myVar, NULL, NULL); /* Add HelloWorld method to the server */ #ifdef UA_ENABLE_METHODCALLS /* Method with IO Arguments */ UA_Argument inputArguments; UA_Argument_init(&inputArguments); inputArguments.dataType = UA_TYPES[UA_TYPES_STRING].typeId; inputArguments.description = UA_LOCALIZEDTEXT("en-US", "Say your name"); inputArguments.name = UA_STRING("Name"); inputArguments.valueRank = UA_VALUERANK_SCALAR; /* scalar argument */ UA_Argument outputArguments; UA_Argument_init(&outputArguments); outputArguments.arrayDimensionsSize = 0; outputArguments.arrayDimensions = NULL; outputArguments.dataType = UA_TYPES[UA_TYPES_STRING].typeId; outputArguments.description = UA_LOCALIZEDTEXT("en-US", "Receive a greeting"); outputArguments.name = UA_STRING("greeting"); outputArguments.valueRank = UA_VALUERANK_SCALAR; UA_MethodAttributes addmethodattributes = UA_MethodAttributes_default; addmethodattributes.displayName = UA_LOCALIZEDTEXT("en-US", "Hello World"); addmethodattributes.executable = true; addmethodattributes.userExecutable = true; UA_Server_addMethodNode(server, UA_NODEID_NUMERIC(1, 62541), UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER), UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT), UA_QUALIFIEDNAME(1, "hello_world"), addmethodattributes, &helloWorld, /* callback of the method node */ 1, &inputArguments, 1, &outputArguments, NULL, NULL); #endif /* Add folders for demo information model */ #define DEMOID 50000 #define SCALARID 50001 #define ARRAYID 50002 #define MATRIXID 50003 #define DEPTHID 50004 UA_ObjectAttributes object_attr = UA_ObjectAttributes_default; object_attr.description = UA_LOCALIZEDTEXT("en-US", "Demo"); object_attr.displayName = UA_LOCALIZEDTEXT("en-US", "Demo"); UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), UA_QUALIFIEDNAME(1, "Demo"), UA_NODEID_NUMERIC(0, UA_NS0ID_FOLDERTYPE), object_attr, NULL, NULL); object_attr.description = UA_LOCALIZEDTEXT("en-US", "Scalar"); object_attr.displayName = UA_LOCALIZEDTEXT("en-US", "Scalar"); UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, SCALARID), UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), UA_QUALIFIEDNAME(1, "Scalar"), UA_NODEID_NUMERIC(0, UA_NS0ID_FOLDERTYPE), object_attr, NULL, NULL); object_attr.description = UA_LOCALIZEDTEXT("en-US", "Array"); object_attr.displayName = UA_LOCALIZEDTEXT("en-US", "Array"); UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, ARRAYID), UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), UA_QUALIFIEDNAME(1, "Array"), UA_NODEID_NUMERIC(0, UA_NS0ID_FOLDERTYPE), object_attr, NULL, NULL); object_attr.description = UA_LOCALIZEDTEXT("en-US", "Matrix"); object_attr.displayName = UA_LOCALIZEDTEXT("en-US", "Matrix"); UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, MATRIXID), UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), UA_QUALIFIEDNAME(1, "Matrix"), UA_NODEID_NUMERIC(0, UA_NS0ID_FOLDERTYPE), object_attr, NULL, NULL); /* Fill demo nodes for each type*/ UA_UInt32 matrixDims[2] = {3, 3}; UA_UInt32 id = 51000; // running id in namespace 0 for(UA_UInt32 type = 0; type < UA_TYPES_DIAGNOSTICINFO; type++) { if(type == UA_TYPES_VARIANT || type == UA_TYPES_DIAGNOSTICINFO) continue; UA_VariableAttributes attr = UA_VariableAttributes_default; attr.dataType = UA_TYPES[type].typeId; #ifndef UA_ENABLE_TYPENAMES char name[15]; UA_snprintf(name, 15, "%02d", type); attr.displayName = UA_LOCALIZEDTEXT("en-US", name); UA_QualifiedName qualifiedName = UA_QUALIFIEDNAME(1, name); #else attr.displayName = UA_LOCALIZEDTEXT_ALLOC("en-US", UA_TYPES[type].typeName); UA_QualifiedName qualifiedName = UA_QUALIFIEDNAME_ALLOC(1, UA_TYPES[type].typeName); #endif attr.accessLevel = UA_ACCESSLEVELMASK_READ | UA_ACCESSLEVELMASK_WRITE; attr.writeMask = UA_WRITEMASK_DISPLAYNAME | UA_WRITEMASK_DESCRIPTION; attr.userWriteMask = UA_WRITEMASK_DISPLAYNAME | UA_WRITEMASK_DESCRIPTION; /* add a scalar node for every built-in type */ attr.valueRank = UA_VALUERANK_SCALAR; void *value = UA_new(&UA_TYPES[type]); UA_Variant_setScalar(&attr.value, value, &UA_TYPES[type]); UA_Server_addVariableNode(server, UA_NODEID_NUMERIC(1, ++id), UA_NODEID_NUMERIC(1, SCALARID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), qualifiedName, baseDataVariableType, attr, NULL, NULL); UA_Variant_clear(&attr.value); /* add an array node for every built-in type */ UA_UInt32 arrayDims = 0; attr.valueRank = UA_VALUERANK_ONE_DIMENSION; attr.arrayDimensions = &arrayDims; attr.arrayDimensionsSize = 1; UA_Variant_setArray(&attr.value, UA_Array_new(10, &UA_TYPES[type]), 10, &UA_TYPES[type]); UA_Server_addVariableNode(server, UA_NODEID_NUMERIC(1, ++id), UA_NODEID_NUMERIC(1, ARRAYID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), qualifiedName, baseDataVariableType, attr, NULL, NULL); UA_Variant_clear(&attr.value); /* add an matrix node for every built-in type */ attr.valueRank = UA_VALUERANK_TWO_DIMENSIONS; attr.arrayDimensions = matrixDims; attr.arrayDimensionsSize = 2; void *myMultiArray = UA_Array_new(9, &UA_TYPES[type]); attr.value.arrayDimensions = (UA_UInt32 *)UA_Array_new(2, &UA_TYPES[UA_TYPES_INT32]); attr.value.arrayDimensions[0] = 3; attr.value.arrayDimensions[1] = 3; attr.value.arrayDimensionsSize = 2; attr.value.arrayLength = 9; attr.value.data = myMultiArray; attr.value.type = &UA_TYPES[type]; UA_Server_addVariableNode(server, UA_NODEID_NUMERIC(1, ++id), UA_NODEID_NUMERIC(1, MATRIXID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), qualifiedName, baseDataVariableType, attr, NULL, NULL); UA_Variant_clear(&attr.value); #ifdef UA_ENABLE_TYPENAMES UA_LocalizedText_clear(&attr.displayName); UA_QualifiedName_clear(&qualifiedName); #endif } /* Add Integer and UInteger variables */ UA_VariableAttributes iattr = UA_VariableAttributes_default; iattr.dataType = UA_NODEID_NUMERIC(0, UA_NS0ID_INTEGER); iattr.displayName = UA_LOCALIZEDTEXT("en-US", "Integer"); iattr.accessLevel = UA_ACCESSLEVELMASK_READ | UA_ACCESSLEVELMASK_WRITE; iattr.writeMask = UA_WRITEMASK_DISPLAYNAME | UA_WRITEMASK_DESCRIPTION; iattr.userWriteMask = UA_WRITEMASK_DISPLAYNAME | UA_WRITEMASK_DESCRIPTION; iattr.valueRank = UA_VALUERANK_SCALAR; UA_QualifiedName iQualifiedName = UA_QUALIFIEDNAME(1, "integer"); UA_Server_addVariableNode(server, UA_NODEID_STRING(1, "integer"), UA_NODEID_NUMERIC(1, SCALARID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), iQualifiedName, baseDataVariableType, iattr, NULL, NULL); iattr.dataType = UA_NODEID_NUMERIC(0, UA_NS0ID_UINTEGER); iattr.displayName = UA_LOCALIZEDTEXT("en-US", "UInteger"); UA_QualifiedName uQualifiedName = UA_QUALIFIEDNAME(1, "uinteger"); UA_Server_addVariableNode(server, UA_NODEID_STRING(1, "uinteger"), UA_NODEID_NUMERIC(1, SCALARID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), uQualifiedName, baseDataVariableType, iattr, NULL, NULL); UA_Variant_clear(&iattr.value); /* Hierarchy of depth 10 for CTT testing with forward and inverse references */ /* Enter node "depth 9" in CTT configuration - Project->Settings->Server Test->NodeIds->Paths->Starting Node 1 */ object_attr.description = UA_LOCALIZEDTEXT("en-US", "DepthDemo"); object_attr.displayName = UA_LOCALIZEDTEXT("en-US", "DepthDemo"); UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, DEPTHID), UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), UA_QUALIFIEDNAME(1, "DepthDemo"), UA_NODEID_NUMERIC(0, UA_NS0ID_FOLDERTYPE), object_attr, NULL, NULL); id = DEPTHID; // running id in namespace 0 - Start with Matrix NODE for(UA_UInt32 i = 1; i <= 20; i++) { char name[15]; UA_snprintf(name, 15, "depth%i", i); object_attr.description = UA_LOCALIZEDTEXT("en-US", name); object_attr.displayName = UA_LOCALIZEDTEXT("en-US", name); UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(1, id + i), UA_NODEID_NUMERIC(1, i == 1 ? DEPTHID : id + i - 1), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), UA_QUALIFIEDNAME(1, name), UA_NODEID_NUMERIC(0, UA_NS0ID_FOLDERTYPE), object_attr, NULL, NULL); } /* Add the variable to some more places to get a node with three inverse references for the CTT */ UA_ExpandedNodeId answer_nodeid = UA_EXPANDEDNODEID_STRING(1, "the.answer"); UA_Server_addReference(server, UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), answer_nodeid, true); UA_Server_addReference(server, UA_NODEID_NUMERIC(1, SCALARID), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES), answer_nodeid, true); /* Example for manually setting an attribute within the server */ UA_LocalizedText objectsName = UA_LOCALIZEDTEXT("en-US", "Objects"); UA_Server_writeDisplayName(server, UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER), objectsName); #define NOARGID 60000 #define INARGID 60001 #define OUTARGID 60002 #define INOUTARGID 60003 #ifdef UA_ENABLE_METHODCALLS /* adding some more method nodes to pass CTT */ /* Method without arguments */ addmethodattributes = UA_MethodAttributes_default; addmethodattributes.displayName = UA_LOCALIZEDTEXT("en-US", "noarg"); addmethodattributes.executable = true; addmethodattributes.userExecutable = true; UA_Server_addMethodNode(server, UA_NODEID_NUMERIC(1, NOARGID), UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT), UA_QUALIFIEDNAME(1, "noarg"), addmethodattributes, &noargMethod, /* callback of the method node */ 0, NULL, 0, NULL, NULL, NULL); /* Method with in arguments */ addmethodattributes = UA_MethodAttributes_default; addmethodattributes.displayName = UA_LOCALIZEDTEXT("en-US", "inarg"); addmethodattributes.executable = true; addmethodattributes.userExecutable = true; UA_Argument_init(&inputArguments); inputArguments.dataType = UA_TYPES[UA_TYPES_INT32].typeId; inputArguments.description = UA_LOCALIZEDTEXT("en-US", "Input"); inputArguments.name = UA_STRING("Input"); inputArguments.valueRank = UA_VALUERANK_SCALAR; //uaexpert will crash if set to 0 ;) UA_Server_addMethodNode(server, UA_NODEID_NUMERIC(1, INARGID), UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT), UA_QUALIFIEDNAME(1, "noarg"), addmethodattributes, &noargMethod, /* callback of the method node */ 1, &inputArguments, 0, NULL, NULL, NULL); /* Method with out arguments */ addmethodattributes = UA_MethodAttributes_default; addmethodattributes.displayName = UA_LOCALIZEDTEXT("en-US", "outarg"); addmethodattributes.executable = true; addmethodattributes.userExecutable = true; UA_Argument_init(&outputArguments); outputArguments.dataType = UA_TYPES[UA_TYPES_INT32].typeId; outputArguments.description = UA_LOCALIZEDTEXT("en-US", "Output"); outputArguments.name = UA_STRING("Output"); outputArguments.valueRank = UA_VALUERANK_SCALAR; UA_Server_addMethodNode(server, UA_NODEID_NUMERIC(1, OUTARGID), UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT), UA_QUALIFIEDNAME(1, "outarg"), addmethodattributes, &outargMethod, /* callback of the method node */ 0, NULL, 1, &outputArguments, NULL, NULL); /* Method with inout arguments */ addmethodattributes = UA_MethodAttributes_default; addmethodattributes.displayName = UA_LOCALIZEDTEXT("en-US", "inoutarg"); addmethodattributes.executable = true; addmethodattributes.userExecutable = true; UA_Server_addMethodNode(server, UA_NODEID_NUMERIC(1, INOUTARGID), UA_NODEID_NUMERIC(1, DEMOID), UA_NODEID_NUMERIC(0, UA_NS0ID_HASCOMPONENT), UA_QUALIFIEDNAME(1, "inoutarg"), addmethodattributes, &outargMethod, /* callback of the method node */ 1, &inputArguments, 1, &outputArguments, NULL, NULL); #endif }
void Service_Read(UA_Server *server, UA_Session *session, const UA_ReadRequest *request, UA_ReadResponse *response) { UA_LOG_DEBUG(server->config.logger, UA_LOGCATEGORY_SESSION, "Processing ReadRequest for Session (ns=%i,i=%i)", session->sessionId.namespaceIndex, session->sessionId.identifier.numeric); if(request->nodesToReadSize <= 0) { response->responseHeader.serviceResult = UA_STATUSCODE_BADNOTHINGTODO; return; } if(request->timestampsToReturn > 3){ response->responseHeader.serviceResult = UA_STATUSCODE_BADTIMESTAMPSTORETURNINVALID; return; } size_t size = request->nodesToReadSize; response->results = UA_Array_new(size, &UA_TYPES[UA_TYPES_DATAVALUE]); if(!response->results) { response->responseHeader.serviceResult = UA_STATUSCODE_BADOUTOFMEMORY; return; } response->resultsSize = size; if(request->maxAge < 0) { response->responseHeader.serviceResult = UA_STATUSCODE_BADMAXAGEINVALID; return; } #ifdef UA_ENABLE_EXTERNAL_NAMESPACES UA_Boolean isExternal[size]; UA_UInt32 indices[size]; memset(isExternal, UA_FALSE, sizeof(UA_Boolean) * size); for(size_t j = 0;j<server->externalNamespacesSize;j++) { size_t indexSize = 0; for(size_t i = 0;i < size;i++) { if(request->nodesToRead[i].nodeId.namespaceIndex != server->externalNamespaces[j].index) continue; isExternal[i] = UA_TRUE; indices[indexSize] = i; indexSize++; } if(indexSize == 0) continue; UA_ExternalNodeStore *ens = &server->externalNamespaces[j].externalNodeStore; ens->readNodes(ens->ensHandle, &request->requestHeader, request->nodesToRead, indices, indexSize, response->results, UA_FALSE, response->diagnosticInfos); } #endif for(size_t i = 0;i < size;i++) { #ifdef UA_ENABLE_EXTERNAL_NAMESPACES if(!isExternal[i]) #endif Service_Read_single(server, session, request->timestampsToReturn, &request->nodesToRead[i], &response->results[i]); } #ifdef UA_ENABLE_NONSTANDARD_STATELESS /* Add an expiry header for caching */ if(session==&anonymousSession){ UA_ExtensionObject additionalHeader; UA_ExtensionObject_init(&additionalHeader); additionalHeader.typeId = UA_TYPES[UA_TYPES_VARIANT].typeId; additionalHeader.encoding = UA_EXTENSIONOBJECT_ENCODINGMASK_BODYISBYTESTRING; UA_Variant variant; UA_Variant_init(&variant); UA_DateTime* expireArray = NULL; expireArray = UA_Array_new(&UA_TYPES[UA_TYPES_DATETIME], request->nodesToReadSize); variant.data = expireArray; /*expires in 20 seconds*/ for(UA_Int32 i = 0;i < response->resultsSize;i++) { expireArray[i] = UA_DateTime_now() + 20 * 100 * 1000 * 1000; } UA_Variant_setArray(&variant, expireArray, request->nodesToReadSize, &UA_TYPES[UA_TYPES_DATETIME]); size_t offset = 0; UA_ByteString str; UA_ByteString_newMembers(&str, 65536); UA_Variant_encodeBinary(&variant, &str, &offset); UA_Array_delete(expireArray, &UA_TYPES[UA_TYPES_DATETIME], request->nodesToReadSize); additionalHeader.body = str; additionalHeader.body.length = offset; response->responseHeader.additionalHeader = additionalHeader; } #endif }