ext/open62541/examples/client.c - a71ch-crypto-support - Git at Google

 /* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
  * See http://creativecommons.org/publicdomain/zero/1.0/ for more information. */

 #include <open62541/client_config_default.h>
 #include <open62541/client_highlevel.h>
 #include <open62541/client_subscriptions.h>
 #include <open62541/plugin/log_stdout.h>

 #include <stdlib.h>

 #ifdef UA_ENABLE_SUBSCRIPTIONS
 static void
 handler_TheAnswerChanged(UA_Client *client, UA_UInt32 subId, void *subContext,
                          UA_UInt32 monId, void *monContext, UA_DataValue *value) {
     printf("The Answer has changed!\n");
 }
 #endif

 static UA_StatusCode
 nodeIter(UA_NodeId childId, UA_Boolean isInverse, UA_NodeId referenceTypeId, void *handle) {
     if(isInverse)
         return UA_STATUSCODE_GOOD;
     UA_NodeId *parent = (UA_NodeId *)handle;
     printf("%d, %d --- %d ---> NodeId %d, %d\n",
            parent->namespaceIndex, parent->identifier.numeric,
            referenceTypeId.identifier.numeric, childId.namespaceIndex,
            childId.identifier.numeric);
     return UA_STATUSCODE_GOOD;
 }

 int main(int argc, char *argv[]) {
     UA_Client *client = UA_Client_new();
     UA_ClientConfig_setDefault(UA_Client_getConfig(client));

     /* Listing endpoints */
     UA_EndpointDescription* endpointArray = NULL;
     size_t endpointArraySize = 0;
     UA_StatusCode retval = UA_Client_getEndpoints(client, "opc.tcp://localhost:4840",
                                                   &endpointArraySize, &endpointArray);
     if(retval != UA_STATUSCODE_GOOD) {
         UA_Array_delete(endpointArray, endpointArraySize, &UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);
         UA_Client_delete(client);
         return EXIT_FAILURE;
     }
     printf("%i endpoints found\n", (int)endpointArraySize);
     for(size_t i=0;i<endpointArraySize;i++) {
         printf("URL of endpoint %i is %.*s\n", (int)i,
                (int)endpointArray[i].endpointUrl.length,
                endpointArray[i].endpointUrl.data);
     }
     UA_Array_delete(endpointArray,endpointArraySize, &UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);

     /* Connect to a server */
     /* anonymous connect would be: retval = UA_Client_connect(client, "opc.tcp://localhost:4840"); */
     retval = UA_Client_connect_username(client, "opc.tcp://localhost:4840", "user1", "password");
     if(retval != UA_STATUSCODE_GOOD) {
         UA_Client_delete(client);
         return EXIT_FAILURE;
     }

     /* Browse some objects */
     printf("Browsing nodes in objects folder:\n");
     UA_BrowseRequest bReq;
     UA_BrowseRequest_init(&bReq);
     bReq.requestedMaxReferencesPerNode = 0;
     bReq.nodesToBrowse = UA_BrowseDescription_new();
     bReq.nodesToBrowseSize = 1;
     bReq.nodesToBrowse[0].nodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER); /* browse objects folder */
     bReq.nodesToBrowse[0].resultMask = UA_BROWSERESULTMASK_ALL; /* return everything */
     UA_BrowseResponse bResp = UA_Client_Service_browse(client, bReq);
     printf("%-9s %-16s %-16s %-16s\n", "NAMESPACE", "NODEID", "BROWSE NAME", "DISPLAY NAME");
     for(size_t i = 0; i < bResp.resultsSize; ++i) {
         for(size_t j = 0; j < bResp.results[i].referencesSize; ++j) {
             UA_ReferenceDescription *ref = &(bResp.results[i].references[j]);
             if(ref->nodeId.nodeId.identifierType == UA_NODEIDTYPE_NUMERIC) {
                 printf("%-9d %-16d %-16.*s %-16.*s\n", ref->nodeId.nodeId.namespaceIndex,
                        ref->nodeId.nodeId.identifier.numeric, (int)ref->browseName.name.length,
                        ref->browseName.name.data, (int)ref->displayName.text.length,
                        ref->displayName.text.data);
             } else if(ref->nodeId.nodeId.identifierType == UA_NODEIDTYPE_STRING) {
                 printf("%-9d %-16.*s %-16.*s %-16.*s\n", ref->nodeId.nodeId.namespaceIndex,
                        (int)ref->nodeId.nodeId.identifier.string.length,
                        ref->nodeId.nodeId.identifier.string.data,
                        (int)ref->browseName.name.length, ref->browseName.name.data,
                        (int)ref->displayName.text.length, ref->displayName.text.data);
             }
             /* TODO: distinguish further types */
         }
     }
     UA_BrowseRequest_clear(&bReq);
     UA_BrowseResponse_clear(&bResp);

     /* Same thing, this time using the node iterator... */
     UA_NodeId *parent = UA_NodeId_new();
     *parent = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER);
     UA_Client_forEachChildNodeCall(client, UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
                                    nodeIter, (void *) parent);
     UA_NodeId_delete(parent);

 #ifdef UA_ENABLE_SUBSCRIPTIONS
     /* Create a subscription */
     UA_CreateSubscriptionRequest request = UA_CreateSubscriptionRequest_default();
     UA_CreateSubscriptionResponse response = UA_Client_Subscriptions_create(client, request,
                                                                             NULL, NULL, NULL);

     UA_UInt32 subId = response.subscriptionId;
     if(response.responseHeader.serviceResult == UA_STATUSCODE_GOOD)
         printf("Create subscription succeeded, id %u\n", subId);

     UA_MonitoredItemCreateRequest monRequest =
         UA_MonitoredItemCreateRequest_default(UA_NODEID_STRING(1, "the.answer"));

     UA_MonitoredItemCreateResult monResponse =
     UA_Client_MonitoredItems_createDataChange(client, response.subscriptionId,
                                               UA_TIMESTAMPSTORETURN_BOTH,
                                               monRequest, NULL, handler_TheAnswerChanged, NULL);
     if(monResponse.statusCode == UA_STATUSCODE_GOOD)
         printf("Monitoring 'the.answer', id %u\n", monResponse.monitoredItemId);


     /* The first publish request should return the initial value of the variable */
     UA_Client_run_iterate(client, 1000);
 #endif

     /* Read attribute */
     UA_Int32 value = 0;
     printf("\nReading the value of node (1, \"the.answer\"):\n");
     UA_Variant *val = UA_Variant_new();
     retval = UA_Client_readValueAttribute(client, UA_NODEID_STRING(1, "the.answer"), val);
     if(retval == UA_STATUSCODE_GOOD && UA_Variant_isScalar(val) &&
        val->type == &UA_TYPES[UA_TYPES_INT32]) {
             value = *(UA_Int32*)val->data;
             printf("the value is: %i\n", value);
     }
     UA_Variant_delete(val);

     /* Write node attribute */
     value++;
     printf("\nWriting a value of node (1, \"the.answer\"):\n");
     UA_WriteRequest wReq;
     UA_WriteRequest_init(&wReq);
     wReq.nodesToWrite = UA_WriteValue_new();
     wReq.nodesToWriteSize = 1;
     wReq.nodesToWrite[0].nodeId = UA_NODEID_STRING_ALLOC(1, "the.answer");
     wReq.nodesToWrite[0].attributeId = UA_ATTRIBUTEID_VALUE;
     wReq.nodesToWrite[0].value.hasValue = true;
     wReq.nodesToWrite[0].value.value.type = &UA_TYPES[UA_TYPES_INT32];
     wReq.nodesToWrite[0].value.value.storageType = UA_VARIANT_DATA_NODELETE; /* do not free the integer on deletion */
     wReq.nodesToWrite[0].value.value.data = &value;
     UA_WriteResponse wResp = UA_Client_Service_write(client, wReq);
     if(wResp.responseHeader.serviceResult == UA_STATUSCODE_GOOD)
             printf("the new value is: %i\n", value);
     UA_WriteRequest_clear(&wReq);
     UA_WriteResponse_clear(&wResp);

     /* Write node attribute (using the highlevel API) */
     value++;
     UA_Variant *myVariant = UA_Variant_new();
     UA_Variant_setScalarCopy(myVariant, &value, &UA_TYPES[UA_TYPES_INT32]);
     UA_Client_writeValueAttribute(client, UA_NODEID_STRING(1, "the.answer"), myVariant);
     UA_Variant_delete(myVariant);

 #ifdef UA_ENABLE_SUBSCRIPTIONS
     /* Take another look at the.answer */
     UA_Client_run_iterate(client, 100);
     /* Delete the subscription */
     if(UA_Client_Subscriptions_deleteSingle(client, subId) == UA_STATUSCODE_GOOD)
         printf("Subscription removed\n");
 #endif

 #ifdef UA_ENABLE_METHODCALLS
     /* Call a remote method */
     UA_Variant input;
     UA_String argString = UA_STRING("Hello Server");
     UA_Variant_init(&input);
     UA_Variant_setScalarCopy(&input, &argString, &UA_TYPES[UA_TYPES_STRING]);
     size_t outputSize;
     UA_Variant *output;
     retval = UA_Client_call(client, UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
                             UA_NODEID_NUMERIC(1, 62541), 1, &input, &outputSize, &output);
     if(retval == UA_STATUSCODE_GOOD) {
         printf("Method call was successful, and %lu returned values available.\n",
                (unsigned long)outputSize);
         UA_Array_delete(output, outputSize, &UA_TYPES[UA_TYPES_VARIANT]);
     } else {
         printf("Method call was unsuccessful, and %x returned values available.\n", retval);
     }
     UA_Variant_clear(&input);
 #endif

 #ifdef UA_ENABLE_NODEMANAGEMENT
     /* Add new nodes*/
     /* New ReferenceType */
     UA_NodeId ref_id;
     UA_ReferenceTypeAttributes ref_attr = UA_ReferenceTypeAttributes_default;
     ref_attr.displayName = UA_LOCALIZEDTEXT("en-US", "NewReference");
     ref_attr.description = UA_LOCALIZEDTEXT("en-US", "References something that might or might not exist");
     ref_attr.inverseName = UA_LOCALIZEDTEXT("en-US", "IsNewlyReferencedBy");
     retval = UA_Client_addReferenceTypeNode(client,
                                             UA_NODEID_NUMERIC(1, 12133),
                                             UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
                                             UA_NODEID_NUMERIC(0, UA_NS0ID_HASSUBTYPE),
                                             UA_QUALIFIEDNAME(1, "NewReference"),
                                             ref_attr, &ref_id);
     if(retval == UA_STATUSCODE_GOOD )
         printf("Created 'NewReference' with numeric NodeID %u\n", ref_id.identifier.numeric);

     /* New ObjectType */
     UA_NodeId objt_id;
     UA_ObjectTypeAttributes objt_attr = UA_ObjectTypeAttributes_default;
     objt_attr.displayName = UA_LOCALIZEDTEXT("en-US", "TheNewObjectType");
     objt_attr.description = UA_LOCALIZEDTEXT("en-US", "Put innovative description here");
     retval = UA_Client_addObjectTypeNode(client,
                                          UA_NODEID_NUMERIC(1, 12134),
                                          UA_NODEID_NUMERIC(0, UA_NS0ID_BASEOBJECTTYPE),
                                          UA_NODEID_NUMERIC(0, UA_NS0ID_HASSUBTYPE),
                                          UA_QUALIFIEDNAME(1, "NewObjectType"),
                                          objt_attr, &objt_id);
     if(retval == UA_STATUSCODE_GOOD)
         printf("Created 'NewObjectType' with numeric NodeID %u\n", objt_id.identifier.numeric);

     /* New Object */
     UA_NodeId obj_id;
     UA_ObjectAttributes obj_attr = UA_ObjectAttributes_default;
     obj_attr.displayName = UA_LOCALIZEDTEXT("en-US", "TheNewGreatNode");
     obj_attr.description = UA_LOCALIZEDTEXT("de-DE", "Hier koennte Ihre Webung stehen!");
     retval = UA_Client_addObjectNode(client,
                                      UA_NODEID_NUMERIC(1, 0),
                                      UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
                                      UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
                                      UA_QUALIFIEDNAME(1, "TheGreatNode"),
                                      UA_NODEID_NUMERIC(1, 12134),
                                      obj_attr, &obj_id);
     if(retval == UA_STATUSCODE_GOOD )
         printf("Created 'NewObject' with numeric NodeID %u\n", obj_id.identifier.numeric);

     /* New Integer Variable */
     UA_NodeId var_id;
     UA_VariableAttributes var_attr = UA_VariableAttributes_default;
     var_attr.displayName = UA_LOCALIZEDTEXT("en-US", "TheNewVariableNode");
     var_attr.description =
         UA_LOCALIZEDTEXT("en-US", "This integer is just amazing - it has digits and everything.");
     UA_Int32 int_value = 1234;
     /* This does not copy the value */
     UA_Variant_setScalar(&var_attr.value, &int_value, &UA_TYPES[UA_TYPES_INT32]);
     var_attr.dataType = UA_TYPES[UA_TYPES_INT32].typeId;
     retval = UA_Client_addVariableNode(client,
                                        UA_NODEID_NUMERIC(1, 0), // Assign new/random NodeID
                                        UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
                                        UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
                                        UA_QUALIFIEDNAME(0, "VariableNode"),
                                        UA_NODEID_NULL, // no variable type
                                        var_attr, &var_id);
     if(retval == UA_STATUSCODE_GOOD )
         printf("Created 'NewVariable' with numeric NodeID %u\n", var_id.identifier.numeric);
 #endif

     UA_Client_disconnect(client);
     UA_Client_delete(client);
     return EXIT_SUCCESS;
 }
	/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
	* See http://creativecommons.org/publicdomain/zero/1.0/ for more information. */

	#include <open62541/client_config_default.h>
	#include <open62541/client_highlevel.h>
	#include <open62541/client_subscriptions.h>
	#include <open62541/plugin/log_stdout.h>

	#include <stdlib.h>

	#ifdef UA_ENABLE_SUBSCRIPTIONS
	static void
	handler_TheAnswerChanged(UA_Client client, UA_UInt32 subId, void subContext,
	UA_UInt32 monId, void monContext, UA_DataValue value) {
	printf("The Answer has changed!\n");
	}
	#endif

	static UA_StatusCode
	nodeIter(UA_NodeId childId, UA_Boolean isInverse, UA_NodeId referenceTypeId, void *handle) {
	if(isInverse)
	return UA_STATUSCODE_GOOD;
	UA_NodeId parent = (UA_NodeId )handle;
	printf("%d, %d --- %d ---> NodeId %d, %d\n",
	parent->namespaceIndex, parent->identifier.numeric,
	referenceTypeId.identifier.numeric, childId.namespaceIndex,
	childId.identifier.numeric);
	return UA_STATUSCODE_GOOD;
	}

	int main(int argc, char *argv[]) {
	UA_Client *client = UA_Client_new();
	UA_ClientConfig_setDefault(UA_Client_getConfig(client));

	/* Listing endpoints */
	UA_EndpointDescription* endpointArray = NULL;
	size_t endpointArraySize = 0;
	UA_StatusCode retval = UA_Client_getEndpoints(client, "opc.tcp://localhost:4840",
	&endpointArraySize, &endpointArray);
	if(retval != UA_STATUSCODE_GOOD) {
	UA_Array_delete(endpointArray, endpointArraySize, &UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);
	UA_Client_delete(client);
	return EXIT_FAILURE;
	}
	printf("%i endpoints found\n", (int)endpointArraySize);
	for(size_t i=0;i<endpointArraySize;i++) {
	printf("URL of endpoint %i is %.*s\n", (int)i,
	(int)endpointArray[i].endpointUrl.length,
	endpointArray[i].endpointUrl.data);
	}
	UA_Array_delete(endpointArray,endpointArraySize, &UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);

	/* Connect to a server */
	/* anonymous connect would be: retval = UA_Client_connect(client, "opc.tcp://localhost:4840"); */
	retval = UA_Client_connect_username(client, "opc.tcp://localhost:4840", "user1", "password");
	if(retval != UA_STATUSCODE_GOOD) {
	UA_Client_delete(client);
	return EXIT_FAILURE;
	}

	/* Browse some objects */
	printf("Browsing nodes in objects folder:\n");
	UA_BrowseRequest bReq;
	UA_BrowseRequest_init(&bReq);
	bReq.requestedMaxReferencesPerNode = 0;
	bReq.nodesToBrowse = UA_BrowseDescription_new();
	bReq.nodesToBrowseSize = 1;
	bReq.nodesToBrowse[0].nodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER); /* browse objects folder */
	bReq.nodesToBrowse[0].resultMask = UA_BROWSERESULTMASK_ALL; /* return everything */
	UA_BrowseResponse bResp = UA_Client_Service_browse(client, bReq);
	printf("%-9s %-16s %-16s %-16s\n", "NAMESPACE", "NODEID", "BROWSE NAME", "DISPLAY NAME");
	for(size_t i = 0; i < bResp.resultsSize; ++i) {
	for(size_t j = 0; j < bResp.results[i].referencesSize; ++j) {
	UA_ReferenceDescription *ref = &(bResp.results[i].references[j]);
	if(ref->nodeId.nodeId.identifierType == UA_NODEIDTYPE_NUMERIC) {
	printf("%-9d %-16d %-16.s %-16.s\n", ref->nodeId.nodeId.namespaceIndex,
	ref->nodeId.nodeId.identifier.numeric, (int)ref->browseName.name.length,
	ref->browseName.name.data, (int)ref->displayName.text.length,
	ref->displayName.text.data);
	} else if(ref->nodeId.nodeId.identifierType == UA_NODEIDTYPE_STRING) {
	printf("%-9d %-16.s %-16.s %-16.*s\n", ref->nodeId.nodeId.namespaceIndex,
	(int)ref->nodeId.nodeId.identifier.string.length,
	ref->nodeId.nodeId.identifier.string.data,
	(int)ref->browseName.name.length, ref->browseName.name.data,
	(int)ref->displayName.text.length, ref->displayName.text.data);
	}
	/* TODO: distinguish further types */
	}
	}
	UA_BrowseRequest_clear(&bReq);
	UA_BrowseResponse_clear(&bResp);

	/* Same thing, this time using the node iterator... */
	UA_NodeId *parent = UA_NodeId_new();
	*parent = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER);
	UA_Client_forEachChildNodeCall(client, UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
	nodeIter, (void *) parent);
	UA_NodeId_delete(parent);

	#ifdef UA_ENABLE_SUBSCRIPTIONS
	/* Create a subscription */
	UA_CreateSubscriptionRequest request = UA_CreateSubscriptionRequest_default();
	UA_CreateSubscriptionResponse response = UA_Client_Subscriptions_create(client, request,
	NULL, NULL, NULL);

	UA_UInt32 subId = response.subscriptionId;
	if(response.responseHeader.serviceResult == UA_STATUSCODE_GOOD)
	printf("Create subscription succeeded, id %u\n", subId);

	UA_MonitoredItemCreateRequest monRequest =
	UA_MonitoredItemCreateRequest_default(UA_NODEID_STRING(1, "the.answer"));

	UA_MonitoredItemCreateResult monResponse =
	UA_Client_MonitoredItems_createDataChange(client, response.subscriptionId,
	UA_TIMESTAMPSTORETURN_BOTH,
	monRequest, NULL, handler_TheAnswerChanged, NULL);
	if(monResponse.statusCode == UA_STATUSCODE_GOOD)
	printf("Monitoring 'the.answer', id %u\n", monResponse.monitoredItemId);


	/* The first publish request should return the initial value of the variable */
	UA_Client_run_iterate(client, 1000);
	#endif

	/* Read attribute */
	UA_Int32 value = 0;
	printf("\nReading the value of node (1, \"the.answer\"):\n");
	UA_Variant *val = UA_Variant_new();
	retval = UA_Client_readValueAttribute(client, UA_NODEID_STRING(1, "the.answer"), val);
	if(retval == UA_STATUSCODE_GOOD && UA_Variant_isScalar(val) &&
	val->type == &UA_TYPES[UA_TYPES_INT32]) {
	value = (UA_Int32)val->data;
	printf("the value is: %i\n", value);
	}
	UA_Variant_delete(val);

	/* Write node attribute */
	value++;
	printf("\nWriting a value of node (1, \"the.answer\"):\n");
	UA_WriteRequest wReq;
	UA_WriteRequest_init(&wReq);
	wReq.nodesToWrite = UA_WriteValue_new();
	wReq.nodesToWriteSize = 1;
	wReq.nodesToWrite[0].nodeId = UA_NODEID_STRING_ALLOC(1, "the.answer");
	wReq.nodesToWrite[0].attributeId = UA_ATTRIBUTEID_VALUE;
	wReq.nodesToWrite[0].value.hasValue = true;
	wReq.nodesToWrite[0].value.value.type = &UA_TYPES[UA_TYPES_INT32];
	wReq.nodesToWrite[0].value.value.storageType = UA_VARIANT_DATA_NODELETE; /* do not free the integer on deletion */
	wReq.nodesToWrite[0].value.value.data = &value;
	UA_WriteResponse wResp = UA_Client_Service_write(client, wReq);
	if(wResp.responseHeader.serviceResult == UA_STATUSCODE_GOOD)
	printf("the new value is: %i\n", value);
	UA_WriteRequest_clear(&wReq);
	UA_WriteResponse_clear(&wResp);

	/* Write node attribute (using the highlevel API) */
	value++;
	UA_Variant *myVariant = UA_Variant_new();
	UA_Variant_setScalarCopy(myVariant, &value, &UA_TYPES[UA_TYPES_INT32]);
	UA_Client_writeValueAttribute(client, UA_NODEID_STRING(1, "the.answer"), myVariant);
	UA_Variant_delete(myVariant);

	#ifdef UA_ENABLE_SUBSCRIPTIONS
	/* Take another look at the.answer */
	UA_Client_run_iterate(client, 100);
	/* Delete the subscription */
	if(UA_Client_Subscriptions_deleteSingle(client, subId) == UA_STATUSCODE_GOOD)
	printf("Subscription removed\n");
	#endif

	#ifdef UA_ENABLE_METHODCALLS
	/* Call a remote method */
	UA_Variant input;
	UA_String argString = UA_STRING("Hello Server");
	UA_Variant_init(&input);
	UA_Variant_setScalarCopy(&input, &argString, &UA_TYPES[UA_TYPES_STRING]);
	size_t outputSize;
	UA_Variant *output;
	retval = UA_Client_call(client, UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
	UA_NODEID_NUMERIC(1, 62541), 1, &input, &outputSize, &output);
	if(retval == UA_STATUSCODE_GOOD) {
	printf("Method call was successful, and %lu returned values available.\n",
	(unsigned long)outputSize);
	UA_Array_delete(output, outputSize, &UA_TYPES[UA_TYPES_VARIANT]);
	} else {
	printf("Method call was unsuccessful, and %x returned values available.\n", retval);
	}
	UA_Variant_clear(&input);
	#endif

	#ifdef UA_ENABLE_NODEMANAGEMENT
	/* Add new nodes*/
	/* New ReferenceType */
	UA_NodeId ref_id;
	UA_ReferenceTypeAttributes ref_attr = UA_ReferenceTypeAttributes_default;
	ref_attr.displayName = UA_LOCALIZEDTEXT("en-US", "NewReference");
	ref_attr.description = UA_LOCALIZEDTEXT("en-US", "References something that might or might not exist");
	ref_attr.inverseName = UA_LOCALIZEDTEXT("en-US", "IsNewlyReferencedBy");
	retval = UA_Client_addReferenceTypeNode(client,
	UA_NODEID_NUMERIC(1, 12133),
	UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
	UA_NODEID_NUMERIC(0, UA_NS0ID_HASSUBTYPE),
	UA_QUALIFIEDNAME(1, "NewReference"),
	ref_attr, &ref_id);
	if(retval == UA_STATUSCODE_GOOD )
	printf("Created 'NewReference' with numeric NodeID %u\n", ref_id.identifier.numeric);

	/* New ObjectType */
	UA_NodeId objt_id;
	UA_ObjectTypeAttributes objt_attr = UA_ObjectTypeAttributes_default;
	objt_attr.displayName = UA_LOCALIZEDTEXT("en-US", "TheNewObjectType");
	objt_attr.description = UA_LOCALIZEDTEXT("en-US", "Put innovative description here");
	retval = UA_Client_addObjectTypeNode(client,
	UA_NODEID_NUMERIC(1, 12134),
	UA_NODEID_NUMERIC(0, UA_NS0ID_BASEOBJECTTYPE),
	UA_NODEID_NUMERIC(0, UA_NS0ID_HASSUBTYPE),
	UA_QUALIFIEDNAME(1, "NewObjectType"),
	objt_attr, &objt_id);
	if(retval == UA_STATUSCODE_GOOD)
	printf("Created 'NewObjectType' with numeric NodeID %u\n", objt_id.identifier.numeric);

	/* New Object */
	UA_NodeId obj_id;
	UA_ObjectAttributes obj_attr = UA_ObjectAttributes_default;
	obj_attr.displayName = UA_LOCALIZEDTEXT("en-US", "TheNewGreatNode");
	obj_attr.description = UA_LOCALIZEDTEXT("de-DE", "Hier koennte Ihre Webung stehen!");
	retval = UA_Client_addObjectNode(client,
	UA_NODEID_NUMERIC(1, 0),
	UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
	UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
	UA_QUALIFIEDNAME(1, "TheGreatNode"),
	UA_NODEID_NUMERIC(1, 12134),
	obj_attr, &obj_id);
	if(retval == UA_STATUSCODE_GOOD )
	printf("Created 'NewObject' with numeric NodeID %u\n", obj_id.identifier.numeric);

	/* New Integer Variable */
	UA_NodeId var_id;
	UA_VariableAttributes var_attr = UA_VariableAttributes_default;
	var_attr.displayName = UA_LOCALIZEDTEXT("en-US", "TheNewVariableNode");
	var_attr.description =
	UA_LOCALIZEDTEXT("en-US", "This integer is just amazing - it has digits and everything.");
	UA_Int32 int_value = 1234;
	/* This does not copy the value */
	UA_Variant_setScalar(&var_attr.value, &int_value, &UA_TYPES[UA_TYPES_INT32]);
	var_attr.dataType = UA_TYPES[UA_TYPES_INT32].typeId;
	retval = UA_Client_addVariableNode(client,
	UA_NODEID_NUMERIC(1, 0), // Assign new/random NodeID
	UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
	UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
	UA_QUALIFIEDNAME(0, "VariableNode"),
	UA_NODEID_NULL, // no variable type
	var_attr, &var_id);
	if(retval == UA_STATUSCODE_GOOD )
	printf("Created 'NewVariable' with numeric NodeID %u\n", var_id.identifier.numeric);
	#endif

	UA_Client_disconnect(client);
	UA_Client_delete(client);
	return EXIT_SUCCESS;
	}