static UA_StatusCode
CopyValueIntoNode(UA_VariableNode *node, const UA_WriteValue *wvalue) {
UA_assert(wvalue->attributeId == UA_ATTRIBUTEID_VALUE);
UA_assert(node->nodeClass == UA_NODECLASS_VARIABLE || node->nodeClass == UA_NODECLASS_VARIABLETYPE);
UA_assert(node->valueSource == UA_VALUESOURCE_VARIANT);
/* Parse the range */
UA_NumericRange range;
UA_NumericRange *rangeptr = NULL;
UA_StatusCode retval = UA_STATUSCODE_GOOD;
if(wvalue->indexRange.length > 0) {
retval = parse_numericrange(&wvalue->indexRange, &range);
if(retval != UA_STATUSCODE_GOOD)
return retval;
rangeptr = ⦥
}
/* The nodeid on the wire may be != the nodeid in the node: opaque types, enums and bytestrings.
nodeV contains the correct type definition. */
const UA_Variant *newV = &wvalue->value.value;
UA_Variant *oldV = &node->value.variant.value;
UA_Variant cast_v;
if (oldV->type != NULL) { // Don't run NodeId_equal on a NULL pointer (happens if the variable never held a variant)
if(!UA_NodeId_equal(&oldV->type->typeId, &newV->type->typeId)) {
cast_v = wvalue->value.value;
newV = &cast_v;
enum type_equivalence te1 = typeEquivalence(oldV->type);
enum type_equivalence te2 = typeEquivalence(newV->type);
if(te1 != TYPE_EQUIVALENCE_NONE && te1 == te2) {
/* An enum was sent as an int32, or an opaque type as a bytestring. This is
detected with the typeIndex indicated the "true" datatype. */
cast_v.type = oldV->type;
} else if(oldV->type == &UA_TYPES[UA_TYPES_BYTE] && !UA_Variant_isScalar(oldV) &&
newV->type == &UA_TYPES[UA_TYPES_BYTESTRING] && UA_Variant_isScalar(newV)) {
/* a string is written to a byte array */
UA_ByteString *str = (UA_ByteString*) newV->data;
cast_v.arrayLength = str->length;
cast_v.data = str->data;
cast_v.type = &UA_TYPES[UA_TYPES_BYTE];
} else {
if(rangeptr)
UA_free(range.dimensions);
return UA_STATUSCODE_BADTYPEMISMATCH;
}
}
}
if(!rangeptr) {
UA_Variant_deleteMembers(&node->value.variant.value);
UA_Variant_copy(newV, &node->value.variant.value);
} else
retval = UA_Variant_setRangeCopy(&node->value.variant.value, newV->data, newV->arrayLength, range);
if(node->value.variant.callback.onWrite)
node->value.variant.callback.onWrite(node->value.variant.callback.handle, node->nodeId,
&node->value.variant.value, rangeptr);
if(rangeptr)
UA_free(range.dimensions);
return retval;
}
static UA_StatusCode
writeValueAttributeWithRange(UA_VariableNode *node, const UA_DataValue *value,
const UA_NumericRange *rangeptr) {
/* Value on both sides? */
if(value->status != node->value.data.value.status ||
!value->hasValue || !node->value.data.value.hasValue)
return UA_STATUSCODE_BADINDEXRANGEINVALID;
/* Make scalar a one-entry array for range matching */
UA_Variant editableValue;
const UA_Variant *v = &value->value;
if(UA_Variant_isScalar(&value->value)) {
editableValue = value->value;
editableValue.arrayLength = 1;
v = &editableValue;
}
/* Write the value */
UA_StatusCode retval = UA_Variant_setRangeCopy(&node->value.data.value.value,
v->data, v->arrayLength, *rangeptr);
if(retval != UA_STATUSCODE_GOOD)
return retval;
/* Write the status and timestamps */
node->value.data.value.hasStatus = value->hasStatus;
node->value.data.value.status = value->status;
node->value.data.value.hasSourceTimestamp = value->hasSourceTimestamp;
node->value.data.value.sourceTimestamp = value->sourceTimestamp;
node->value.data.value.hasSourcePicoseconds = value->hasSourcePicoseconds;
node->value.data.value.sourcePicoseconds = value->sourcePicoseconds;
return UA_STATUSCODE_GOOD;
}
static void
adjustValue(UA_Server *server, UA_Variant *value,
const UA_NodeId *targetDataTypeId) {
const UA_DataType *targetDataType = UA_findDataType(targetDataTypeId);
if(!targetDataType)
return;
/* A string is written to a byte array. the valuerank and array dimensions
* are checked later */
if(targetDataType == &UA_TYPES[UA_TYPES_BYTE] &&
value->type == &UA_TYPES[UA_TYPES_BYTESTRING] &&
UA_Variant_isScalar(value)) {
UA_ByteString *str = (UA_ByteString*)value->data;
value->type = &UA_TYPES[UA_TYPES_BYTE];
value->arrayLength = str->length;
value->data = str->data;
return;
}
/* An enum was sent as an int32, or an opaque type as a bytestring. This
* is detected with the typeIndex indicating the "true" datatype. */
enum type_equivalence te1 = typeEquivalence(targetDataType);
enum type_equivalence te2 = typeEquivalence(value->type);
if(te1 != TYPE_EQUIVALENCE_NONE && te1 == te2) {
value->type = targetDataType;
return;
}
/* No more possible equivalencies */
}
static UA_Boolean
updateNeededForStatusCode(const UA_DataValue *value, const UA_MonitoredItem *mon) {
if (UA_Variant_isScalar(&value->value)) {
if(value->status != mon->lastStatus)
return true;
}
return false;
}
UA_StatusCode
__UA_Client_readAttribute(UA_Client *client, const UA_NodeId *nodeId, UA_AttributeId attributeId,
void *out, const UA_DataType *outDataType) {
UA_ReadValueId item;
UA_ReadValueId_init(&item);
item.nodeId = *nodeId;
item.attributeId = attributeId;
UA_ReadRequest request;
UA_ReadRequest_init(&request);
request.nodesToRead = &item;
request.nodesToReadSize = 1;
UA_ReadResponse response = UA_Client_Service_read(client, request);
UA_StatusCode retval = response.responseHeader.serviceResult;
if(retval == UA_STATUSCODE_GOOD && response.resultsSize != 1)
retval = UA_STATUSCODE_BADUNEXPECTEDERROR;
if(retval != UA_STATUSCODE_GOOD) {
UA_ReadResponse_deleteMembers(&response);
return retval;
}
UA_DataValue *res = response.results;
if(res->hasStatus != UA_STATUSCODE_GOOD)
retval = res->hasStatus;
else if(!res->hasValue || !UA_Variant_isScalar(&res->value))
retval = UA_STATUSCODE_BADUNEXPECTEDERROR;
if(retval != UA_STATUSCODE_GOOD) {
UA_ReadResponse_deleteMembers(&response);
return retval;
}
if(attributeId == UA_ATTRIBUTEID_VALUE) {
memcpy(out, &res->value, sizeof(UA_Variant));
UA_Variant_init(&res->value);
} else if(UA_Variant_isScalar(&res->value) &&
res->value.type == outDataType) {
memcpy(out, res->value.data, res->value.type->memSize);
UA_free(res->value.data);
res->value.data = NULL;
} else {
retval = UA_STATUSCODE_BADUNEXPECTEDERROR;
}
UA_ReadResponse_deleteMembers(&response);
return retval;
}
static UA_StatusCode writeInteger(void *handle, const UA_NodeId nodeid, const UA_Variant *data, const UA_NumericRange *range){
if(UA_Variant_isScalar(data) && data->type == &UA_TYPES[UA_TYPES_INT32] && data->data){
*(UA_UInt32*)handle = *(UA_Int32*)data->data;
}
//note that this is only possible if the identifier is a string - but we are sure to have one here
UA_LOG_INFO(logger, UA_LOGCATEGORY_USERLAND, "Node written %.*s",nodeid.identifier.string.length, nodeid.identifier.string.data);
UA_LOG_INFO(logger, UA_LOGCATEGORY_USERLAND, "written value %i", *(UA_UInt32*)handle);
return UA_STATUSCODE_GOOD;
}
static UA_StatusCode
satisfySignature(const UA_Variant *var, const UA_Argument *arg) {
if(!UA_NodeId_equal(&var->type->typeId, &arg->dataType) )
return UA_STATUSCODE_BADINVALIDARGUMENT;
// Note: The namespace compiler will compile nodes with their actual array dimensions
// Todo: Check if this is standard conform for scalars
if(arg->arrayDimensionsSize > 0 && var->arrayDimensionsSize > 0)
if(var->arrayDimensionsSize != arg->arrayDimensionsSize)
return UA_STATUSCODE_BADINVALIDARGUMENT;
UA_UInt32 *varDims = var->arrayDimensions;
size_t varDimsSize = var->arrayDimensionsSize;
UA_Boolean scalar = UA_Variant_isScalar(var);
/* The dimension 1 is implicit in the array length */
UA_UInt32 fakeDims;
if(!scalar && !varDims) {
fakeDims = (UA_UInt32)var->arrayLength;
varDims = &fakeDims;
varDimsSize = 1;
}
/* ValueRank Semantics
* n >= 1: the value is an array with the specified number of dimens*ions.
* n = 0: the value is an array with one or more dimensions.
* n = -1: the value is a scalar.
* n = -2: the value can be a scalar or an array with any number of dimensions.
* n = -3: the value can be a scalar or a one dimensional array. */
switch(arg->valueRank) {
case -3:
if(varDimsSize > 1)
return UA_STATUSCODE_BADINVALIDARGUMENT;
break;
case -2:
break;
case -1:
if(!scalar)
return UA_STATUSCODE_BADINVALIDARGUMENT;
break;
case 0:
if(scalar || !varDims)
return UA_STATUSCODE_BADINVALIDARGUMENT;
break;
default:
break;
}
/* do the array dimensions match? */
if(arg->arrayDimensionsSize != varDimsSize)
return UA_STATUSCODE_BADINVALIDARGUMENT;
for(size_t i = 0; i < varDimsSize; i++) {
if(arg->arrayDimensions[i] != varDims[i])
return UA_STATUSCODE_BADINVALIDARGUMENT;
}
return UA_STATUSCODE_GOOD;
}
UA_StatusCode
UA_Client_readArrayDimensionsAttribute(UA_Client *client, const UA_NodeId nodeId,
UA_Int32 **outArrayDimensions, size_t *outArrayDimensionsSize) {
UA_ReadValueId item;
UA_ReadValueId_init(&item);
item.nodeId = nodeId;
item.attributeId = UA_ATTRIBUTEID_ARRAYDIMENSIONS;
UA_ReadRequest request;
UA_ReadRequest_init(&request);
request.nodesToRead = &item;
request.nodesToReadSize = 1;
UA_ReadResponse response = UA_Client_Service_read(client, request);
UA_StatusCode retval = response.responseHeader.serviceResult;
if(retval == UA_STATUSCODE_GOOD && response.resultsSize != 1)
retval = UA_STATUSCODE_BADUNEXPECTEDERROR;
if(retval != UA_STATUSCODE_GOOD)
goto cleanup;
UA_DataValue *res = response.results;
if(res->hasStatus != UA_STATUSCODE_GOOD)
retval = res->hasStatus;
else if(!res->hasValue || UA_Variant_isScalar(&res->value))
retval = UA_STATUSCODE_BADUNEXPECTEDERROR;
if(retval != UA_STATUSCODE_GOOD)
goto cleanup;
if(UA_Variant_isScalar(&res->value) ||
res->value.type != &UA_TYPES[UA_TYPES_INT32]) {
retval = UA_STATUSCODE_BADUNEXPECTEDERROR;
goto cleanup;
}
*outArrayDimensions = res->value.data;
*outArrayDimensionsSize = res->value.arrayLength;
UA_free(res->value.data);
res->value.data = NULL;
res->value.arrayLength = 0;
cleanup:
UA_ReadResponse_deleteMembers(&response);
return retval;
}
/* Check if the valuerank allows for the value dimension */
static UA_Boolean
compatibleValueRankValue(UA_Int32 valueRank, const UA_Variant *value) {
/* empty arrays (-1) always match */
if(!value->data)
return false;
size_t arrayDims = value->arrayDimensionsSize;
if(!UA_Variant_isScalar(value))
arrayDims = 1; /* array but no arraydimensions -> implicit array dimension 1 */
return compatibleValueRankArrayDimensions(valueRank, arrayDims);
}
static UA_StatusCode
writeInteger(void *handle, const UA_NodeId nodeid,
const UA_Variant *data, const UA_NumericRange *range) {
if(UA_Variant_isScalar(data) && data->type == &UA_TYPES[UA_TYPES_INT32] && data->data){
*(UA_UInt32*)handle = *(UA_UInt32*)data->data;
}
// we know the nodeid is a string
UA_LOG_INFO(logger, UA_LOGCATEGORY_USERLAND, "Node written %.*s",
nodeid.identifier.string.length, nodeid.identifier.string.data);
UA_LOG_INFO(logger, UA_LOGCATEGORY_USERLAND, "written value %i", *(UA_UInt32*)handle);
return UA_STATUSCODE_GOOD;
}
UA_Boolean
compatibleValueArrayDimensions(const UA_Variant *value, size_t targetArrayDimensionsSize,
const UA_UInt32 *targetArrayDimensions) {
size_t valueArrayDimensionsSize = value->arrayDimensionsSize;
UA_UInt32 *valueArrayDimensions = value->arrayDimensions;
UA_UInt32 tempArrayDimensions;
if(valueArrayDimensions == 0 && !UA_Variant_isScalar(value)) {
valueArrayDimensionsSize = 1;
tempArrayDimensions = (UA_UInt32)value->arrayLength;
valueArrayDimensions = &tempArrayDimensions;
}
return compatibleArrayDimensions(targetArrayDimensionsSize, targetArrayDimensions,
valueArrayDimensionsSize, valueArrayDimensions);
}
void FORTE_OPC_UA_READ::executeEvent(int pa_nEIID){
switch(pa_nEIID){
case scm_nEventREQID:
UA_Int32 value = 0;
OUT() = value;
UA_Client *client = UA_Client_new(UA_ClientConfig_standard, Logger_Stdout_new());
UA_StatusCode connected = UA_Client_connect(client, ClientNetworkLayerTCP_connect, SERVER());
if(connected != UA_STATUSCODE_GOOD) {
UA_Client_delete(client);
sendOutputEvent(scm_nEventCNFID);
}
UA_ReadRequest rReq;
UA_ReadRequest_init(&rReq);
rReq.nodesToRead = UA_ReadValueId_new();
rReq.nodesToReadSize = 1;
rReq.nodesToRead[0].nodeId = UA_NODEID_STRING_ALLOC(1, NODE()); /* assume this node exists */
rReq.nodesToRead[0].attributeId = UA_ATTRIBUTEID_VALUE;
UA_ReadResponse rResp = UA_Client_read(client, &rReq);
if(rResp.responseHeader.serviceResult == UA_STATUSCODE_GOOD &&
rResp.resultsSize > 0 && rResp.results[0].hasValue &&
UA_Variant_isScalar(&rResp.results[0].value) &&
rResp.results[0].value.type == &UA_TYPES[UA_TYPES_INT32]) {
value = *(UA_Int32*)rResp.results[0].value.data;
OUT() = value;
}else{
sendOutputEvent(scm_nEventCNFID);
}
UA_ReadRequest_deleteMembers(&rReq);
UA_ReadResponse_deleteMembers(&rResp);
UA_Client_disconnect(client);
UA_Client_delete(client);
sendOutputEvent(scm_nEventCNFID);
break;
break;
}
}
/* Stack layout: ... | node | type */
static UA_StatusCode
writeValueRankAttribute(UA_Server *server, UA_Session *session,
UA_VariableNode *node, const UA_VariableTypeNode *type,
UA_Int32 valueRank) {
UA_assert(node != NULL);
UA_assert(type != NULL);
UA_Int32 constraintValueRank = type->valueRank;
/* If this is a variabletype, there must be no instances or subtypes of it
* when we do the change */
if(node->nodeClass == UA_NODECLASS_VARIABLETYPE &&
UA_Node_hasSubTypeOrInstances((const UA_Node*)node))
return UA_STATUSCODE_BADINTERNALERROR;
/* Check if the valuerank of the variabletype allows the change. */
if(!compatibleValueRanks(valueRank, constraintValueRank))
return UA_STATUSCODE_BADTYPEMISMATCH;
/* Check if the new valuerank is compatible with the array dimensions. Use
* the read service to handle data sources. */
size_t arrayDims = node->arrayDimensionsSize;
if(arrayDims == 0) {
/* the value could be an array with no arrayDimensions defined.
dimensions zero indicate a scalar for compatibleValueRankArrayDimensions. */
UA_DataValue value;
UA_DataValue_init(&value);
UA_StatusCode retval = readValueAttribute(server, session, node, &value);
if(retval != UA_STATUSCODE_GOOD)
return retval;
if(!value.hasValue || !value.value.type) {
/* no value -> apply */
node->valueRank = valueRank;
return UA_STATUSCODE_GOOD;
}
if(!UA_Variant_isScalar(&value.value))
arrayDims = 1;
UA_DataValue_deleteMembers(&value);
}
if(!compatibleValueRankArrayDimensions(valueRank, arrayDims))
return UA_STATUSCODE_BADTYPEMISMATCH;
/* All good, apply the change */
node->valueRank = valueRank;
return UA_STATUSCODE_GOOD;
}
static UA_StatusCode
statisfySignature(UA_Variant *var, UA_Argument arg) {
if(!UA_NodeId_equal(&var->type->typeId, &arg.dataType) )
return UA_STATUSCODE_BADINVALIDARGUMENT;
// Note: The namespace compiler will compile nodes with their actual array dimensions, never -1
if(arg.arrayDimensionsSize > 0 && var->arrayDimensionsSize > 0)
if(var->arrayDimensionsSize != arg.arrayDimensionsSize)
return UA_STATUSCODE_BADINVALIDARGUMENT;
// Continue with jpfr's statisfySignature from here on
/* ValueRank Semantics
* n >= 1: the value is an array with the specified number of dimens*ions.
* n = 0: the value is an array with one or more dimensions.
* n = -1: the value is a scalar.
* n = -2: the value can be a scalar or an array with any number of dimensions.
* n = -3: the value can be a scalar or a one dimensional array. */
UA_Boolean scalar = UA_Variant_isScalar(var);
if(arg.valueRank == 0 && scalar)
return UA_STATUSCODE_BADINVALIDARGUMENT;
if(arg.valueRank == -1 && !scalar)
return UA_STATUSCODE_BADINVALIDARGUMENT;
if(arg.valueRank == -3 && var->arrayDimensionsSize > 1)
return UA_STATUSCODE_BADINVALIDARGUMENT;
if(arg.valueRank > 1 && var->arrayDimensionsSize != arg.arrayDimensionsSize)
return UA_STATUSCODE_BADINVALIDARGUMENT;
//variants do not always encode the dimension flag (e.g. 1d array)
if(var->arrayDimensionsSize==-1 && arg.arrayDimensionsSize == 1 &&
var->arrayLength > 0 && arg.arrayDimensions[0] == (UA_UInt32)var->arrayLength ){
return UA_STATUSCODE_GOOD;
}else{
if(arg.valueRank >= 1 && var->arrayDimensionsSize != arg.arrayDimensionsSize)
return UA_STATUSCODE_BADINVALIDARGUMENT;
if(arg.arrayDimensionsSize >= 1) {
if(arg.arrayDimensionsSize != var->arrayDimensionsSize)
return UA_STATUSCODE_BADINVALIDARGUMENT;
for(UA_Int32 i = 0; i < arg.arrayDimensionsSize; i++) {
if(arg.arrayDimensions[i] != (UA_UInt32) var->arrayDimensions[i])
return UA_STATUSCODE_BADINVALIDARGUMENT;
}
}
}
return UA_STATUSCODE_GOOD;
}
static UA_StatusCode
writeInteger(UA_Server *server, const UA_NodeId *sessionId,
void *sessionContext, const UA_NodeId *nodeId,
void *nodeContext, const UA_NumericRange *range,
const UA_DataValue *value) {
UA_Int32 *myInteger = (UA_Int32*)nodeContext;
if(value->hasValue && UA_Variant_isScalar(&value->value) &&
value->value.type == &UA_TYPES[UA_TYPES_INT32] && value->value.data)
*myInteger = *(UA_Int32 *)value->value.data;
// we know the nodeid is a string
UA_LOG_INFO(logger, UA_LOGCATEGORY_USERLAND, "Node written %.*s",
(int)nodeId->identifier.string.length,
nodeId->identifier.string.data);
UA_LOG_INFO(logger, UA_LOGCATEGORY_USERLAND,
"written value %i", *(UA_UInt32 *)myInteger);
return UA_STATUSCODE_GOOD;
}
static UA_INLINE UA_Boolean
updateNeededForFilteredPercentValue(const UA_Variant *value, const UA_Variant *oldValue,
const UA_Double deadbandValue, UA_Range* euRange) {
if(value->arrayLength != oldValue->arrayLength)
return true;
if(value->type != oldValue->type)
return true;
if (UA_Variant_isScalar(value)) {
return outOfPercentDeadBand(value->data, oldValue->data, 0, value->type, deadbandValue, euRange);
}
for (size_t i = 0; i < value->arrayLength; ++i) {
if (outOfPercentDeadBand(value->data, oldValue->data, i, value->type, deadbandValue, euRange))
return true;
}
return false;
}
static UA_StatusCode
argConformsToDefinition(UA_Server *server, const UA_VariableNode *argRequirements, size_t argsSize, const UA_Variant *args) {
if(argRequirements->value.variant.value.type != &UA_TYPES[UA_TYPES_ARGUMENT])
return UA_STATUSCODE_BADINTERNALERROR;
UA_Argument *argReqs = (UA_Argument*)argRequirements->value.variant.value.data;
size_t argReqsSize = argRequirements->value.variant.value.arrayLength;
if(argRequirements->valueSource != UA_VALUESOURCE_VARIANT)
return UA_STATUSCODE_BADINTERNALERROR;
if(UA_Variant_isScalar(&argRequirements->value.variant.value))
argReqsSize = 1;
if(argReqsSize > argsSize)
return UA_STATUSCODE_BADARGUMENTSMISSING;
if(argReqsSize != argsSize)
return UA_STATUSCODE_BADINVALIDARGUMENT;
UA_StatusCode retval = UA_STATUSCODE_GOOD;
for(size_t i = 0; i < argReqsSize; i++)
retval |= satisfySignature(server, &args[i], &argReqs[i]);
return retval;
}
static UA_StatusCode
satisfySignature(UA_Server *server, const UA_Variant *var, const UA_Argument *arg) {
if(!UA_NodeId_equal(&var->type->typeId, &arg->dataType)){
if(!UA_NodeId_equal(&var->type->typeId, &UA_TYPES[UA_TYPES_INT32].typeId))
return UA_STATUSCODE_BADINVALIDARGUMENT;
/* enumerations are encoded as int32 -> if provided var is integer, check if arg is an enumeration type */
UA_NodeId enumerationNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_ENUMERATION);
UA_NodeId hasSubTypeNodeId = UA_NODEID_NUMERIC(0,UA_NS0ID_HASSUBTYPE);
UA_Boolean found = false;
UA_StatusCode retval = isNodeInTree(server->nodestore, &arg->dataType, &enumerationNodeId, &hasSubTypeNodeId, 1, 1, &found);
if(retval != UA_STATUSCODE_GOOD)
return UA_STATUSCODE_BADINTERNALERROR;
if(!found)
return UA_STATUSCODE_BADINVALIDARGUMENT;
}
// Note: The namespace compiler will compile nodes with their actual array dimensions
// Todo: Check if this is standard conform for scalars
if(arg->arrayDimensionsSize > 0 && var->arrayDimensionsSize > 0)
if(var->arrayDimensionsSize != arg->arrayDimensionsSize)
return UA_STATUSCODE_BADINVALIDARGUMENT;
UA_Int32 *varDims = var->arrayDimensions;
size_t varDimsSize = var->arrayDimensionsSize;
UA_Boolean scalar = UA_Variant_isScalar(var);
/* The dimension 1 is implicit in the array length */
UA_Int32 fakeDims;
if(!scalar && !varDims) {
fakeDims = (UA_Int32)var->arrayLength;
varDims = &fakeDims;
varDimsSize = 1;
}
/* ValueRank Semantics
* n >= 1: the value is an array with the specified number of dimens*ions.
* n = 0: the value is an array with one or more dimensions.
* n = -1: the value is a scalar.
* n = -2: the value can be a scalar or an array with any number of dimensions.
* n = -3: the value can be a scalar or a one dimensional array. */
switch(arg->valueRank) {
case -3:
if(varDimsSize > 1)
return UA_STATUSCODE_BADINVALIDARGUMENT;
break;
case -2:
break;
case -1:
if(!scalar)
return UA_STATUSCODE_BADINVALIDARGUMENT;
break;
case 0:
if(scalar || !varDims)
return UA_STATUSCODE_BADINVALIDARGUMENT;
break;
default:
break;
}
/* do the array dimensions match? */
if(arg->arrayDimensionsSize != varDimsSize)
return UA_STATUSCODE_BADINVALIDARGUMENT;
for(size_t i = 0; i < varDimsSize; i++) {
if((UA_Int32)arg->arrayDimensions[i] != varDims[i])
return UA_STATUSCODE_BADINVALIDARGUMENT;
}
return UA_STATUSCODE_GOOD;
}
int main(int argc, char *argv[]) {
UA_Client *client = UA_Client_new(UA_ClientConfig_standard, Logger_Stdout_new());
UA_StatusCode retval = UA_Client_connect(client, ClientNetworkLayerTCP_connect,
"opc.tcp://localhost:16664");
if(retval != UA_STATUSCODE_GOOD) {
UA_Client_delete(client);
return retval;
}
// 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_browse(client, &bReq);
printf("%-9s %-16s %-16s %-16s\n", "NAMESPACE", "NODEID", "BROWSE NAME", "DISPLAY NAME");
for (int i = 0; i < bResp.resultsSize; ++i) {
for (int 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->browseName.namespaceIndex,
ref->nodeId.nodeId.identifier.numeric, ref->browseName.name.length,
ref->browseName.name.data, 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->browseName.namespaceIndex,
ref->nodeId.nodeId.identifier.string.length, ref->nodeId.nodeId.identifier.string.data,
ref->browseName.name.length, ref->browseName.name.data, ref->displayName.text.length,
ref->displayName.text.data);
}
//TODO: distinguish further types
}
}
UA_BrowseRequest_deleteMembers(&bReq);
UA_BrowseResponse_deleteMembers(&bResp);
UA_Int32 value = 0;
// Read node's value
printf("\nReading the value of node (1, \"the.answer\"):\n");
UA_ReadRequest rReq;
UA_ReadRequest_init(&rReq);
rReq.nodesToRead = UA_ReadValueId_new();
rReq.nodesToReadSize = 1;
rReq.nodesToRead[0].nodeId = UA_NODEID_STRING_ALLOC(1, "the.answer"); /* assume this node exists */
rReq.nodesToRead[0].attributeId = UA_ATTRIBUTEID_VALUE;
UA_ReadResponse rResp = UA_Client_read(client, &rReq);
if(rResp.responseHeader.serviceResult == UA_STATUSCODE_GOOD &&
rResp.resultsSize > 0 && rResp.results[0].hasValue &&
UA_Variant_isScalar(&rResp.results[0].value) &&
rResp.results[0].value.type == &UA_TYPES[UA_TYPES_INT32]) {
value = *(UA_Int32*)rResp.results[0].value.data;
printf("the value is: %i\n", value);
}
UA_ReadRequest_deleteMembers(&rReq);
UA_ReadResponse_deleteMembers(&rResp);
value++;
// Write node's 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"); /* assume this node exists */
wReq.nodesToWrite[0].attributeId = UA_ATTRIBUTEID_VALUE;
wReq.nodesToWrite[0].value.hasValue = UA_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_write(client, &wReq);
if(wResp.responseHeader.serviceResult == UA_STATUSCODE_GOOD)
printf("the new value is: %i\n", value);
UA_WriteRequest_deleteMembers(&wReq);
UA_WriteResponse_deleteMembers(&wResp);
#ifdef ENABLE_ADDNODES
/* Create a new object type node */
// New ReferenceType
UA_AddNodesResponse *adResp = UA_Client_createReferenceTypeNode(client,
UA_EXPANDEDNODEID_NUMERIC(1, 12133), // Assign this NodeId (will fail if client is called multiple times)
UA_QUALIFIEDNAME(0, "NewReference"),
UA_LOCALIZEDTEXT("en_US", "TheNewReference"),
UA_LOCALIZEDTEXT("en_US", "References something that might or might not exist."),
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
(UA_UInt32) 0, (UA_UInt32) 0,
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_LOCALIZEDTEXT("en_US", "IsNewlyReferencedBy"));
if (adResp->resultsSize > 0 && adResp->results[0].statusCode == UA_STATUSCODE_GOOD ) {
printf("Created 'NewReference' with numeric NodeID %u\n", adResp->results[0].addedNodeId.identifier.numeric );
}
UA_AddNodesResponse_deleteMembers(adResp);
free(adResp);
// New ObjectType
adResp = UA_Client_createObjectTypeNode(client,
UA_EXPANDEDNODEID_NUMERIC(1, 12134), // Assign this NodeId (will fail if client is called multiple times)
UA_QUALIFIEDNAME(0, "NewObjectType"),
UA_LOCALIZEDTEXT("en_US", "TheNewObjectType"),
UA_LOCALIZEDTEXT("en_US", "Put innovative description here."),
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
(UA_UInt32) 0, (UA_UInt32) 0,
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER));
if (adResp->resultsSize > 0 && adResp->results[0].statusCode == UA_STATUSCODE_GOOD ) {
printf("Created 'NewObjectType' with numeric NodeID %u\n", adResp->results[0].addedNodeId.identifier.numeric );
}
// New Object
adResp = UA_Client_createObjectNode(client,
UA_EXPANDEDNODEID_NUMERIC(1, 0), // Assign new/random NodeID
UA_QUALIFIEDNAME(0, "TheNewGreatNodeBrowseName"),
UA_LOCALIZEDTEXT("en_US", "TheNewGreatNode"),
UA_LOCALIZEDTEXT("de_DE", "Hier koennte Ihre Webung stehen!"),
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
(UA_UInt32) 0, (UA_UInt32) 0,
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER));
if (adResp->resultsSize > 0 && adResp->results[0].statusCode == UA_STATUSCODE_GOOD ) {
printf("Created 'NewObject' with numeric NodeID %u\n", adResp->results[0].addedNodeId.identifier.numeric );
}
UA_AddNodesResponse_deleteMembers(adResp);
free(adResp);
// New Integer Variable
UA_Variant *theValue = UA_Variant_new();
UA_Int32 *theValueDate = UA_Int32_new();
*theValueDate = 1234;
theValue->type = &UA_TYPES[UA_TYPES_INT32];
theValue->data = theValueDate;
adResp = UA_Client_createVariableNode(client,
UA_EXPANDEDNODEID_NUMERIC(1, 0), // Assign new/random NodeID
UA_QUALIFIEDNAME(0, "VariableNode"),
UA_LOCALIZEDTEXT("en_US", "TheNewVariableNode"),
UA_LOCALIZEDTEXT("en_US", "This integer is just amazing - it has digits and everything."),
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
(UA_UInt32) 0, (UA_UInt32) 0,
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_INT32),
theValue);
if (adResp->resultsSize > 0 && adResp->results[0].statusCode == UA_STATUSCODE_GOOD ) {
printf("Created 'NewVariable' with numeric NodeID %u\n", adResp->results[0].addedNodeId.identifier.numeric );
}
UA_AddNodesResponse_deleteMembers(adResp);
free(adResp);
free(theValue);
/* Done creating a new node*/
#endif
UA_Client_disconnect(client);
UA_Client_delete(client);
return UA_STATUSCODE_GOOD;
}
OV_DLLFNCEXPORT OV_RESULT opcuafb_Read_Execute_set(
OV_INSTPTR_opcuafb_Read pinst,
const OV_BOOL value
) {
OV_INSTPTR_opcuafb_Connect pConnect = NULL;
OV_INSTPTR_opcuafb_NodeGetHandle pNodeGetHandle = NULL;
UA_ReadRequest ReadRequest;
UA_ReadResponse ReadResponse;
unsigned long int tempulong = 0;
char *endPtr = NULL;
if(value == FALSE || pinst->v_Execute == TRUE){
//only react on the rising edge
pinst->v_Execute = value;
return OV_ERR_OK;
}
pConnect = Ov_DynamicPtrCast(opcuafb_Connect, fb_connection_getFirstConnectedObject(Ov_PtrUpCast(fb_object, pinst), FALSE, TRUE, "ConnectionHdl"));
if(pConnect == NULL){
pinst->v_Error = TRUE;
pinst->v_ErrorID = 1; //todo
return OV_ERR_BADVALUE;
}
if(pConnect->v_ConnectionHdl == 0){
pinst->v_Error = TRUE;
pinst->v_ErrorID = 1; //todo
return OV_ERR_BADVALUE;
}
if(pConnect->v_Client == NULL){
//internal error
pinst->v_Error = TRUE;
pinst->v_ErrorID = 1; //todo
return OV_ERR_BADVALUE;
}
pNodeGetHandle = Ov_DynamicPtrCast(opcuafb_NodeGetHandle, fb_connection_getFirstConnectedObject(Ov_PtrUpCast(fb_object, pinst), FALSE, TRUE, "NodeHdl"));
if(pNodeGetHandle == NULL){
pinst->v_Error = TRUE;
pinst->v_ErrorID = 1; //todo
return OV_ERR_BADVALUE;
}
if(pNodeGetHandle->v_NodeHdl == 0){
pinst->v_Error = TRUE;
pinst->v_ErrorID = 1; //todo
return OV_ERR_BADVALUE;
}
//free memory of old ANY variable
if(pinst->v_Variable.value.vartype == OV_VT_STRING){
ov_string_setvalue(&pinst->v_Variable.value.valueunion.val_string, NULL);
pinst->v_Variable.value.vartype = OV_VT_VOID;
}else if(pinst->v_Variable.value.vartype & OV_VT_ISVECTOR){
Ov_SetAnyValue(&pinst->v_Variable, NULL);
}
UA_ReadRequest_init(&ReadRequest);
ReadRequest.nodesToRead = UA_ReadValueId_new();
ReadRequest.nodesToReadSize = 1;
ReadRequest.nodesToRead[0].attributeId = UA_ATTRIBUTEID_VALUE;
if(pNodeGetHandle->v_NodeID.IdentifierType == UA_IDTYPE_STRING){
ReadRequest.nodesToRead[0].nodeId = UA_NODEID_STRING_ALLOC(pNodeGetHandle->v_NodeID.NamespaceIndex, pNodeGetHandle->v_NodeID.Identifier);
}else if(pNodeGetHandle->v_NodeID.IdentifierType == UA_IDTYPE_NUMERIC){
tempulong = strtoul(pNodeGetHandle->v_NodeID.Identifier, &endPtr, 10);
if (ERANGE != errno &&
tempulong < UINT16_MAX &&
endPtr != pNodeGetHandle->v_NodeID.Identifier)
{
ReadRequest.nodesToRead[0].nodeId = UA_NODEID_NUMERIC(pNodeGetHandle->v_NodeID.NamespaceIndex, (UA_UInt16)tempulong);
}
// }else if(pNodeGetHandle->v_NodeID.IdentifierType == UA_IDTYPE_GUID){
//todo
//ReadRequest.nodesToRead[0].nodeId = UA_NODEID_GUID(pNodeGetHandle->v_NodeID.NamespaceIndex, pNodeGetHandle->v_NodeID.Identifier);
}else{
UA_ReadRequest_deleteMembers(&ReadRequest);
return OV_ERR_BADVALUE;
}
ReadResponse = UA_Client_Service_read(pConnect->v_Client, ReadRequest);
if(ReadResponse.responseHeader.serviceResult == UA_STATUSCODE_GOOD &&
ReadResponse.resultsSize > 0 && ReadResponse.results[0].hasValue){
pinst->v_Error = FALSE;
pinst->v_ErrorID = 0;
pinst->v_Done = TRUE;
if(UA_Variant_isScalar(&ReadResponse.results[0].value)){
if(ReadResponse.results[0].hasSourceTimestamp){
pinst->v_TimeStamp = ov_1601nsTimeToOvTime(ReadResponse.results[0].sourceTimestamp);
//todo }else if(ReadResponse.results[0].hasSourcePicoseconds){
}else if(ReadResponse.results[0].hasServerTimestamp){
pinst->v_TimeStamp = ov_1601nsTimeToOvTime(ReadResponse.results[0].sourceTimestamp);
//todo }else if(ReadResponse.results[0].hasServerPicoseconds){
}else{
ov_time_gettime(&pinst->v_TimeStamp);
}
if(ReadResponse.results[0].value.type == &UA_TYPES[UA_TYPES_INT32]){
pinst->v_Variable.value.vartype = OV_VT_INT;
pinst->v_Variable.value.valueunion.val_int = (OV_INT)*(UA_Int32*)ReadResponse.results[0].value.data;
}else if(ReadResponse.results[0].value.type == &UA_TYPES[UA_TYPES_UINT32]){
pinst->v_Variable.value.vartype = OV_VT_UINT;
pinst->v_Variable.value.valueunion.val_uint = (OV_UINT)*(UA_UInt32*)ReadResponse.results[0].value.data;
}else if(ReadResponse.results[0].value.type == &UA_TYPES[UA_TYPES_FLOAT]){
pinst->v_Variable.value.vartype = OV_VT_SINGLE;
pinst->v_Variable.value.valueunion.val_single = (OV_SINGLE)*(UA_Float*)ReadResponse.results[0].value.data;
}else if(ReadResponse.results[0].value.type == &UA_TYPES[UA_TYPES_DOUBLE]){
pinst->v_Variable.value.vartype = OV_VT_DOUBLE;
pinst->v_Variable.value.valueunion.val_double = (OV_DOUBLE)*(UA_Double*)ReadResponse.results[0].value.data;
}else if(ReadResponse.results[0].value.type == &UA_TYPES[UA_TYPES_STRING]){
pinst->v_Variable.value.vartype = OV_VT_STRING;
pinst->v_Variable.value.valueunion.val_string = Ov_DbMalloc(((UA_String*)ReadResponse.results[0].value.data)->length);
if(pinst->v_Variable.value.valueunion.val_string != NULL){
memcpy(((UA_String*)ReadResponse.results[0].value.data)->data, pinst->v_Variable.value.valueunion.val_string, ((UA_String*)ReadResponse.results[0].value.data)->length);
}
}else if(ReadResponse.results[0].value.type == &UA_TYPES[UA_TYPES_DATETIME]){
pinst->v_Variable.value.vartype = OV_VT_TIME;
pinst->v_Variable.value.valueunion.val_time = ov_1601nsTimeToOvTime((OV_INT64)*(UA_DateTime*)ReadResponse.results[0].value.data);
}else{
if(ReadResponse.results[0].value.type == &UA_TYPES[UA_TYPES_STRING]){
//free memory
Ov_SetAnyValue(&pinst->v_Variable, NULL);
//set length and type
Ov_SetDynamicVectorLength(&pinst->v_Variable.value.valueunion.val_string_vec, ReadResponse.results[0].value.arrayLength, STRING);
for(size_t iterator = 0; iterator < ReadResponse.results[0].value.arrayLength;iterator++){
pinst->v_Variable.value.valueunion.val_string = Ov_DbMalloc(((UA_String*)ReadResponse.results[0].value.data)[iterator].length);
if(pinst->v_Variable.value.valueunion.val_string != NULL){
memcpy(((UA_String*)ReadResponse.results[0].value.data)[iterator].data, pinst->v_Variable.value.valueunion.val_string_vec.value[iterator], ((UA_String*)ReadResponse.results[0].value.data)[iterator].length);
}
}
}else{
//not implemented
pinst->v_Done = TRUE;
pinst->v_Error = TRUE;
pinst->v_ErrorID = 1; //todo
}
}
}else{
//not implemented
pinst->v_Done = TRUE;
pinst->v_Error = TRUE;
pinst->v_ErrorID = 1; //todo
}
}else{
pinst->v_Done = FALSE;
pinst->v_Error = TRUE;
pinst->v_ErrorID = 1; //todo
}
UA_ReadResponse_deleteMembers(&ReadResponse);
UA_ReadRequest_deleteMembers(&ReadRequest);
pinst->v_Execute = value;
return OV_ERR_OK;
}
static UA_StatusCode writeValue(UA_Server *server, UA_WriteValue *wvalue) {
UA_StatusCode retval = UA_STATUSCODE_GOOD;
/* is there a value at all */
if(!wvalue->value.hasValue)
return UA_STATUSCODE_BADTYPEMISMATCH;
// we might repeat writing, e.g. when the node got replaced mid-work
UA_Boolean done = UA_FALSE;
while(!done) {
const UA_Node *node = UA_NodeStore_get(server->nodestore, &wvalue->nodeId);
if(!node)
return UA_STATUSCODE_BADNODEIDUNKNOWN;
switch(wvalue->attributeId) {
case UA_ATTRIBUTEID_NODEID:
case UA_ATTRIBUTEID_NODECLASS:
case UA_ATTRIBUTEID_BROWSENAME:
case UA_ATTRIBUTEID_DISPLAYNAME:
case UA_ATTRIBUTEID_DESCRIPTION:
case UA_ATTRIBUTEID_WRITEMASK:
case UA_ATTRIBUTEID_USERWRITEMASK:
case UA_ATTRIBUTEID_ISABSTRACT:
case UA_ATTRIBUTEID_SYMMETRIC:
case UA_ATTRIBUTEID_INVERSENAME:
case UA_ATTRIBUTEID_CONTAINSNOLOOPS:
case UA_ATTRIBUTEID_EVENTNOTIFIER:
retval = UA_STATUSCODE_BADWRITENOTSUPPORTED;
break;
case UA_ATTRIBUTEID_VALUE: {
if(node->nodeClass != UA_NODECLASS_VARIABLE &&
node->nodeClass != UA_NODECLASS_VARIABLETYPE) {
retval = UA_STATUSCODE_BADTYPEMISMATCH;
break;
}
/* parse the range */
UA_Boolean hasRange = UA_FALSE;
UA_NumericRange range;
if(wvalue->indexRange.length > 0) {
retval = parse_numericrange(wvalue->indexRange, &range);
if(retval != UA_STATUSCODE_GOOD)
break;
hasRange = UA_TRUE;
}
/* the relevant members are similar for variables and variabletypes */
const UA_VariableNode *vn = (const UA_VariableNode*)node;
if(vn->valueSource == UA_VALUESOURCE_DATASOURCE) {
if(!vn->value.dataSource.write) {
retval = UA_STATUSCODE_BADWRITENOTSUPPORTED;
goto clean_up_range;
}
// todo: writing ranges
if(hasRange)
retval = vn->value.dataSource.write(vn->value.dataSource.handle, &wvalue->value.value, &range);
else
retval = vn->value.dataSource.write(vn->value.dataSource.handle, &wvalue->value.value, UA_NULL);
done = UA_TRUE;
goto clean_up_range;
}
const UA_Variant *oldV = &vn->value.variant;
/* the nodeid on the wire may be != the nodeid in the node: opaque types, enums and bytestrings */
if(!UA_NodeId_equal(&oldV->type->typeId, &wvalue->value.value.type->typeId)) {
if(oldV->type->namespaceZero && wvalue->value.value.type->namespaceZero &&
oldV->type->typeIndex == wvalue->value.value.type->typeIndex)
/* An enum was sent as an int32, or an opaque type as a bytestring. This is
detected with the typeIndex indicated the "true" datatype. */
wvalue->value.value.type = oldV->type;
else if(oldV->type == &UA_TYPES[UA_TYPES_BYTE] && !UA_Variant_isScalar(oldV) &&
wvalue->value.value.type == &UA_TYPES[UA_TYPES_BYTESTRING] &&
UA_Variant_isScalar(&wvalue->value.value)) {
/* a string is written to a byte array */
UA_ByteString *str = (UA_ByteString*) wvalue->value.value.data;
wvalue->value.value.arrayLength = str->length;
wvalue->value.value.data = str->data;
wvalue->value.value.type = &UA_TYPES[UA_TYPES_BYTE];
UA_free(str);
} else {
retval = UA_STATUSCODE_BADTYPEMISMATCH;
goto clean_up_range;
}
}
/* copy the node */
UA_VariableNode *newVn = (node->nodeClass == UA_NODECLASS_VARIABLE) ?
UA_VariableNode_new() : (UA_VariableNode*)UA_VariableTypeNode_new();
if(!newVn) {
retval = UA_STATUSCODE_BADOUTOFMEMORY;
goto clean_up_range;
}
retval = (node->nodeClass == UA_NODECLASS_VARIABLE) ? UA_VariableNode_copy(vn, newVn) :
UA_VariableTypeNode_copy((const UA_VariableTypeNode*)vn, (UA_VariableTypeNode*)newVn);
if(retval != UA_STATUSCODE_GOOD)
goto clean_up;
/* insert the new value */
if(hasRange)
retval = UA_Variant_setRangeCopy(&newVn->value.variant, wvalue->value.value.data,
wvalue->value.value.arrayLength, range);
else {
UA_Variant_deleteMembers(&newVn->value.variant);
retval = UA_Variant_copy(&wvalue->value.value, &newVn->value.variant);
}
if(retval == UA_STATUSCODE_GOOD && UA_NodeStore_replace(server->nodestore, node,
(UA_Node*)newVn, UA_NULL) == UA_STATUSCODE_GOOD) {
done = UA_TRUE;
goto clean_up_range;
}
clean_up:
if(node->nodeClass == UA_NODECLASS_VARIABLE)
UA_VariableNode_delete(newVn);
else
UA_VariableTypeNode_delete((UA_VariableTypeNode*)newVn);
clean_up_range:
if(hasRange)
UA_free(range.dimensions);
}
break;
case UA_ATTRIBUTEID_DATATYPE:
case UA_ATTRIBUTEID_VALUERANK:
case UA_ATTRIBUTEID_ARRAYDIMENSIONS:
case UA_ATTRIBUTEID_ACCESSLEVEL:
case UA_ATTRIBUTEID_USERACCESSLEVEL:
case UA_ATTRIBUTEID_MINIMUMSAMPLINGINTERVAL:
case UA_ATTRIBUTEID_HISTORIZING:
case UA_ATTRIBUTEID_EXECUTABLE:
case UA_ATTRIBUTEID_USEREXECUTABLE:
retval = UA_STATUSCODE_BADWRITENOTSUPPORTED;
break;
default:
retval = UA_STATUSCODE_BADATTRIBUTEIDINVALID;
break;
}
UA_NodeStore_release(node);
if(retval != UA_STATUSCODE_GOOD)
break;
}
return retval;
}
int main(int argc, char *argv[]) {
UA_Client *client = UA_Client_new(UA_ClientConfig_standard);
//listing endpoints
UA_EndpointDescription* endpointArray = NULL;
size_t endpointArraySize = 0;
UA_StatusCode retval =
UA_Client_getEndpoints(client, "opc.tcp://localhost:16664",
&endpointArraySize, &endpointArray);
//freeing the endpointArray
if(retval != UA_STATUSCODE_GOOD) {
//cleanup array
UA_Array_delete(endpointArray,endpointArraySize, &UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);
UA_Client_delete(client);
return (int)retval;
}
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);
}
//cleanup array of enpoints
UA_Array_delete(endpointArray,endpointArraySize, &UA_TYPES[UA_TYPES_ENDPOINTDESCRIPTION]);
//connect to a server
//anonymous connect would be: retval = UA_Client_connect_username(client, UA_ClientConnectionTCP, "opc.tcp://localhost:16664");
retval = UA_Client_connect_username(client, "opc.tcp://localhost:16664", "user1", "password");
if(retval != UA_STATUSCODE_GOOD) {
UA_Client_delete(client);
return (int)retval;
}
// 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->browseName.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->browseName.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_deleteMembers(&bReq);
UA_BrowseResponse_deleteMembers(&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 with interval 0 (immediate)...
UA_UInt32 subId=0;
UA_Client_Subscriptions_new(client, UA_SubscriptionSettings_standard, &subId);
if(subId)
printf("Create subscription succeeded, id %u\n", subId);
// .. and monitor TheAnswer
UA_NodeId monitorThis = UA_NODEID_STRING(1, "the.answer");
UA_UInt32 monId=0;
UA_Client_Subscriptions_addMonitoredItem(client, subId, monitorThis,
UA_ATTRIBUTEID_VALUE, &handler_TheAnswerChanged, NULL, &monId);
if (monId)
printf("Monitoring 'the.answer', id %u\n", subId);
// First Publish always generates data (current value) and call out handler.
UA_Client_Subscriptions_manuallySendPublishRequest(client);
// This should not generate anything
UA_Client_Subscriptions_manuallySendPublishRequest(client);
#endif
UA_Int32 value = 0;
// Read node's value
printf("\nReading the value of node (1, \"the.answer\"):\n");
UA_ReadRequest rReq;
UA_ReadRequest_init(&rReq);
rReq.nodesToRead = UA_Array_new(1, &UA_TYPES[UA_TYPES_READVALUEID]);
rReq.nodesToReadSize = 1;
rReq.nodesToRead[0].nodeId = UA_NODEID_STRING_ALLOC(1, "the.answer"); /* assume this node exists */
rReq.nodesToRead[0].attributeId = UA_ATTRIBUTEID_VALUE;
UA_ReadResponse rResp = UA_Client_Service_read(client, rReq);
if(rResp.responseHeader.serviceResult == UA_STATUSCODE_GOOD &&
rResp.resultsSize > 0 && rResp.results[0].hasValue &&
UA_Variant_isScalar(&rResp.results[0].value) &&
rResp.results[0].value.type == &UA_TYPES[UA_TYPES_INT32]) {
value = *(UA_Int32*)rResp.results[0].value.data;
printf("the value is: %i\n", value);
}
UA_ReadRequest_deleteMembers(&rReq);
UA_ReadResponse_deleteMembers(&rResp);
value++;
// Write node's 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"); /* assume this node exists */
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_deleteMembers(&wReq);
UA_WriteResponse_deleteMembers(&wResp);
// Alternate Form, this time using the hl 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... this should call the handler.
UA_Client_Subscriptions_manuallySendPublishRequest(client);
// Delete our subscription (which also unmonitors all items)
if(!UA_Client_Subscriptions_remove(client, subId))
printf("Subscription removed\n");
#endif
#ifdef UA_ENABLE_METHODCALLS
/* Note: This example requires Namespace 0 Node 11489 (ServerType -> GetMonitoredItems)
FIXME: Provide a namespace 0 independant example on the server side
*/
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 successfull, and %lu returned values available.\n",
(unsigned long)outputSize);
UA_Array_delete(output, outputSize, &UA_TYPES[UA_TYPES_VARIANT]);
} else {
printf("Method call was unsuccessfull, and %x returned values available.\n", retval);
}
UA_Variant_deleteMembers(&input);
#endif
#ifdef UA_ENABLE_NODEMANAGEMENT
/* New ReferenceType */
UA_NodeId ref_id;
UA_ReferenceTypeAttributes ref_attr;
UA_ReferenceTypeAttributes_init(&ref_attr);
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_init(&objt_attr);
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_ORGANIZES),
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_init(&obj_attr);
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_init(&var_attr);
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 (int) UA_STATUSCODE_GOOD;
}
int main(void)
{
UA_Client *clt; //client
UA_StatusCode retval;
UA_ReadRequest req; //read request
UA_ReadResponse resp; //response
/*
* Step 1.
* create & init the client
*/
clt = UA_Client_new(UA_ClientConfig_standard);
retval = UA_Client_connect(clt, URL);
if(retval != UA_STATUSCODE_GOOD){
UA_Client_delete(clt);
return retval;
}
/*
* Step 2.
* Create read request
*/
UA_ReadRequest_init(&req); // memset 0 in req
req.nodesToRead = UA_Array_new(1, &UA_TYPES[UA_TYPES_READVALUEID]);
req.nodesToReadSize = 1;
/*
* Step 3.
* define which node and attribute to be read
*/
req.nodesToRead[0].nodeId = UA_NODEID_STRING_ALLOC(1, "the.f****r");
req.nodesToRead[0].attributeId = UA_ATTRIBUTEID_VALUE;
/*
* Step 4.
* call the `UA_Client_Service_read` to read
*/
UA_ReadResponse_init(&resp);
resp = UA_Client_Service_read(clt, req);
/* if(resp.responseHeader.serviceResult == UA_STATUSCODE_GOOD &&
resp.resultsSize > 0 &&
resp.results[0].hasValue &&
UA_Variant_isScalar(&resp.results[0].value) &&
resp.results[0].value.type == &UA_TYPES[UA_TYPES_INT32])
{*/
if(resp.responseHeader.serviceResult == UA_STATUSCODE_GOOD &&
resp.resultsSize > 0 &&
resp.results[0].hasValue &&
UA_Variant_isScalar(&resp.results[0].value) &&
resp.results[0].value.type == &UA_TYPES[UA_TYPES_STRING])
{
UA_String *str = (UA_String *)resp.results[0].value.data;
printf("The string : %s\n", str->data);
/*
UA_Int32 *val = (UA_Int32 *)resp.results[0].value.data;
printf("The value is: %d\n", *val);*/
}
/*
* Step 5.
* free resource
*/
UA_ReadRequest_deleteMembers(&req);
UA_ReadResponse_deleteMembers(&resp);
UA_Client_disconnect(clt);
UA_Client_delete(clt);
return UA_STATUSCODE_GOOD;
}
int main(int argc, char *argv[]) {
UA_Client *client = UA_Client_new(UA_ClientConfig_standard, Logger_Stdout_new());
UA_StatusCode retval = UA_Client_connect(client, ClientNetworkLayerTCP_connect,
"opc.tcp://localhost:16664");
if(retval != UA_STATUSCODE_GOOD) {
UA_Client_delete(client);
return retval;
}
// 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_browse(client, &bReq);
printf("%-9s %-16s %-16s %-16s\n", "NAMESPACE", "NODEID", "BROWSE NAME", "DISPLAY NAME");
for (int i = 0; i < bResp.resultsSize; ++i) {
for (int 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->browseName.namespaceIndex,
ref->nodeId.nodeId.identifier.numeric, ref->browseName.name.length,
ref->browseName.name.data, 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->browseName.namespaceIndex,
ref->nodeId.nodeId.identifier.string.length, ref->nodeId.nodeId.identifier.string.data,
ref->browseName.name.length, ref->browseName.name.data, ref->displayName.text.length,
ref->displayName.text.data);
}
//TODO: distinguish further types
}
}
UA_BrowseRequest_deleteMembers(&bReq);
UA_BrowseResponse_deleteMembers(&bResp);
#ifdef ENABLE_SUBSCRIPTIONS
// Create a subscription with interval 0 (immediate)...
UA_Int32 subId = UA_Client_newSubscription(client, 0);
if (subId)
printf("Create subscription succeeded, id %u\n", subId);
// .. and monitor TheAnswer
UA_NodeId monitorThis;
monitorThis = UA_NODEID_STRING_ALLOC(1, "the.answer");
UA_UInt32 monId = UA_Client_monitorItemChanges(client, subId, monitorThis, UA_ATTRIBUTEID_VALUE, &handler_TheAnswerChanged );
if (monId)
printf("Monitoring 'the.answer', id %u\n", subId);
UA_NodeId_deleteMembers(&monitorThis);
// First Publish always generates data (current value) and call out handler.
UA_Client_doPublish(client);
// This should not generate anything
UA_Client_doPublish(client);
#endif
UA_Int32 value = 0;
// Read node's value
printf("\nReading the value of node (1, \"the.answer\"):\n");
UA_ReadRequest rReq;
UA_ReadRequest_init(&rReq);
rReq.nodesToRead = UA_ReadValueId_new();
rReq.nodesToReadSize = 1;
rReq.nodesToRead[0].nodeId = UA_NODEID_STRING_ALLOC(1, "the.answer"); /* assume this node exists */
rReq.nodesToRead[0].attributeId = UA_ATTRIBUTEID_VALUE;
UA_ReadResponse rResp = UA_Client_read(client, &rReq);
if(rResp.responseHeader.serviceResult == UA_STATUSCODE_GOOD &&
rResp.resultsSize > 0 && rResp.results[0].hasValue &&
UA_Variant_isScalar(&rResp.results[0].value) &&
rResp.results[0].value.type == &UA_TYPES[UA_TYPES_INT32]) {
value = *(UA_Int32*)rResp.results[0].value.data;
printf("the value is: %i\n", value);
}
UA_ReadRequest_deleteMembers(&rReq);
UA_ReadResponse_deleteMembers(&rResp);
value++;
// Write node's 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"); /* assume this node exists */
wReq.nodesToWrite[0].attributeId = UA_ATTRIBUTEID_VALUE;
wReq.nodesToWrite[0].value.hasValue = UA_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_write(client, &wReq);
if(wResp.responseHeader.serviceResult == UA_STATUSCODE_GOOD)
printf("the new value is: %i\n", value);
UA_WriteRequest_deleteMembers(&wReq);
UA_WriteResponse_deleteMembers(&wResp);
#ifdef ENABLE_SUBSCRIPTIONS
// Take another look at the.answer... this should call the handler.
UA_Client_doPublish(client);
// Delete our subscription (which also unmonitors all items)
if(!UA_Client_removeSubscription(client, subId))
printf("Subscription removed\n");
#endif
#ifdef ENABLE_METHODCALLS
/* Note: This example requires Namespace 0 Node 11489 (ServerType -> GetMonitoredItems)
FIXME: Provide a namespace 0 independant example on the server side
*/
UA_Variant input;
UA_String argString = UA_STRING("Hello Server");
UA_Variant_init(&input);
UA_Variant_setScalarCopy(&input, &argString, &UA_TYPES[UA_TYPES_STRING]);
UA_Int32 outputSize;
UA_Variant *output;
retval = UA_Client_CallServerMethod(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 successfull, and %i returned values available.\n", outputSize);
UA_Array_delete(output, &UA_TYPES[UA_TYPES_VARIANT], outputSize);
} else {
printf("Method call was unsuccessfull, and %x returned values available.\n", retval);
}
UA_Variant_deleteMembers(&input);
#endif
#ifdef ENABLE_ADDNODES
/* Create a new object type node */
// New ReferenceType
UA_AddNodesResponse *adResp = UA_Client_createReferenceTypeNode(client,
UA_EXPANDEDNODEID_NUMERIC(1, 12133), // Assign this NodeId (will fail if client is called multiple times)
UA_QUALIFIEDNAME(0, "NewReference"),
UA_LOCALIZEDTEXT("en_US", "TheNewReference"),
UA_LOCALIZEDTEXT("en_US", "References something that might or might not exist."),
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
(UA_UInt32) 0, (UA_UInt32) 0,
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_LOCALIZEDTEXT("en_US", "IsNewlyReferencedBy"));
if (adResp->resultsSize > 0 && adResp->results[0].statusCode == UA_STATUSCODE_GOOD ) {
printf("Created 'NewReference' with numeric NodeID %u\n", adResp->results[0].addedNodeId.identifier.numeric );
}
UA_AddNodesResponse_deleteMembers(adResp);
free(adResp);
// New ObjectType
adResp = UA_Client_createObjectTypeNode(client,
UA_EXPANDEDNODEID_NUMERIC(1, 12134), // Assign this NodeId (will fail if client is called multiple times)
UA_QUALIFIEDNAME(0, "NewObjectType"),
UA_LOCALIZEDTEXT("en_US", "TheNewObjectType"),
UA_LOCALIZEDTEXT("en_US", "Put innovative description here."),
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
(UA_UInt32) 0, (UA_UInt32) 0,
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER));
if (adResp->resultsSize > 0 && adResp->results[0].statusCode == UA_STATUSCODE_GOOD ) {
printf("Created 'NewObjectType' with numeric NodeID %u\n", adResp->results[0].addedNodeId.identifier.numeric );
}
// New Object
adResp = UA_Client_createObjectNode(client,
UA_EXPANDEDNODEID_NUMERIC(1, 0), // Assign new/random NodeID
UA_QUALIFIEDNAME(0, "TheNewGreatNodeBrowseName"),
UA_LOCALIZEDTEXT("en_US", "TheNewGreatNode"),
UA_LOCALIZEDTEXT("de_DE", "Hier koennte Ihre Webung stehen!"),
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
(UA_UInt32) 0, (UA_UInt32) 0,
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER));
if (adResp->resultsSize > 0 && adResp->results[0].statusCode == UA_STATUSCODE_GOOD ) {
printf("Created 'NewObject' with numeric NodeID %u\n", adResp->results[0].addedNodeId.identifier.numeric );
}
UA_AddNodesResponse_deleteMembers(adResp);
free(adResp);
// New Integer Variable
UA_Variant *theValue = UA_Variant_new();
UA_Int32 *theValueDate = UA_Int32_new();
*theValueDate = 1234;
theValue->type = &UA_TYPES[UA_TYPES_INT32];
theValue->data = theValueDate;
adResp = UA_Client_createVariableNode(client,
UA_EXPANDEDNODEID_NUMERIC(1, 0), // Assign new/random NodeID
UA_QUALIFIEDNAME(0, "VariableNode"),
UA_LOCALIZEDTEXT("en_US", "TheNewVariableNode"),
UA_LOCALIZEDTEXT("en_US", "This integer is just amazing - it has digits and everything."),
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
(UA_UInt32) 0, (UA_UInt32) 0,
UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
UA_NODEID_NUMERIC(0, UA_NS0ID_INT32),
theValue);
if (adResp->resultsSize > 0 && adResp->results[0].statusCode == UA_STATUSCODE_GOOD ) {
printf("Created 'NewVariable' with numeric NodeID %u\n", adResp->results[0].addedNodeId.identifier.numeric );
}
UA_AddNodesResponse_deleteMembers(adResp);
free(adResp);
free(theValue);
/* Done creating a new node*/
#endif
UA_Client_disconnect(client);
UA_Client_delete(client);
return UA_STATUSCODE_GOOD;
}
