示例#1
0
UA_StatusCode UA_EXPORT
UA_Server_addDataSourceVariableNode(UA_Server *server, const UA_NodeId requestedNewNodeId,
                                    const UA_NodeId parentNodeId, const UA_NodeId referenceTypeId,
                                    const UA_QualifiedName browseName, const UA_NodeId typeDefinition,
                                    const UA_VariableAttributes attr, const UA_DataSource dataSource,
                                    UA_NodeId *outNewNodeId) {
    UA_AddNodesResult result;
    UA_AddNodesResult_init(&result);

    UA_AddNodesItem item;
    UA_AddNodesItem_init(&item);
    result.statusCode = UA_QualifiedName_copy(&browseName, &item.browseName);
    item.nodeClass = UA_NODECLASS_VARIABLE;
    result.statusCode |= UA_NodeId_copy(&parentNodeId, &item.parentNodeId.nodeId);
    result.statusCode |= UA_NodeId_copy(&referenceTypeId, &item.referenceTypeId);
    result.statusCode |= UA_NodeId_copy(&requestedNewNodeId, &item.requestedNewNodeId.nodeId);
    result.statusCode |= UA_NodeId_copy(&typeDefinition, &item.typeDefinition.nodeId);
    
    UA_VariableAttributes attrCopy;
    result.statusCode |= UA_VariableAttributes_copy(&attr, &attrCopy);
    if(result.statusCode != UA_STATUSCODE_GOOD) {
        UA_AddNodesItem_deleteMembers(&item);
        UA_VariableAttributes_deleteMembers(&attrCopy);
        return result.statusCode;
    }

    UA_VariableNode *node = UA_VariableNode_new();
    if(!node) {
        UA_AddNodesItem_deleteMembers(&item);
        UA_VariableAttributes_deleteMembers(&attrCopy);
        return UA_STATUSCODE_BADOUTOFMEMORY;
    }

    copyStandardAttributes((UA_Node*)node, &item, (UA_NodeAttributes*)&attrCopy);
    node->valueSource = UA_VALUESOURCE_DATASOURCE;
    node->value.dataSource = dataSource;
    node->accessLevel = attr.accessLevel;
    node->userAccessLevel = attr.userAccessLevel;
    node->historizing = attr.historizing;
    node->minimumSamplingInterval = attr.minimumSamplingInterval;
    node->valueRank = attr.valueRank;

    UA_Server_addExistingNode(server, &adminSession, (UA_Node*)node, &item.parentNodeId.nodeId,
                              &item.referenceTypeId, &result);
    UA_AddNodesItem_deleteMembers(&item);
    UA_VariableAttributes_deleteMembers(&attrCopy);

    if(result.statusCode != UA_STATUSCODE_GOOD)
        UA_VariableNode_delete(node);

    if(outNewNodeId && result.statusCode == UA_STATUSCODE_GOOD)
        *outNewNodeId = result.addedNodeId;
    else
        UA_AddNodesResult_deleteMembers(&result);
    return result.statusCode;
}
示例#2
0
/* copy an existing variable under the given parent. then instantiate the
   variable for all hastypedefinitions of the original version. */
static UA_StatusCode
copyExistingVariable(UA_Server *server, UA_Session *session, const UA_NodeId *variable,
                     const UA_NodeId *referenceType, const UA_NodeId *parent) {
    const UA_VariableNode *node = (const UA_VariableNode*)UA_NodeStore_get(server->nodestore, variable);
    if(!node)
        return UA_STATUSCODE_BADNODEIDINVALID;
    if(node->nodeClass != UA_NODECLASS_VARIABLE)
        return UA_STATUSCODE_BADNODECLASSINVALID;
    
    // copy the variable attributes
    UA_VariableAttributes attr;
    UA_VariableAttributes_init(&attr);
    UA_LocalizedText_copy(&node->displayName, &attr.displayName);
    UA_LocalizedText_copy(&node->description, &attr.description);
    attr.writeMask = node->writeMask;
    attr.userWriteMask = node->userWriteMask;
    // todo: handle data sources!!!!
    UA_Variant_copy(&node->value.variant.value, &attr.value);
    // datatype is taken from the value
    // valuerank is taken from the value
    // array dimensions are taken from the value
    attr.accessLevel = node->accessLevel;
    attr.userAccessLevel = node->userAccessLevel;
    attr.minimumSamplingInterval = node->minimumSamplingInterval;
    attr.historizing = node->historizing;

    UA_AddNodesItem item;
    UA_AddNodesItem_init(&item);
    UA_NodeId_copy(parent, &item.parentNodeId.nodeId);
    UA_NodeId_copy(referenceType, &item.referenceTypeId);
    UA_QualifiedName_copy(&node->browseName, &item.browseName);
    item.nodeClass = UA_NODECLASS_VARIABLE;
    item.nodeAttributes.encoding = UA_EXTENSIONOBJECT_DECODED_NODELETE;
    item.nodeAttributes.content.decoded.type = &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES];
    item.nodeAttributes.content.decoded.data = &attr;
    // don't add a typedefinition here.

    // add the new variable
    UA_AddNodesResult res;
    UA_AddNodesResult_init(&res);
    Service_AddNodes_single(server, session, &item, &res);
    UA_VariableAttributes_deleteMembers(&attr);
    UA_AddNodesItem_deleteMembers(&item);

    // now instantiate the variable for all hastypedefinition references
    for(size_t i = 0; i < node->referencesSize; i++) {
        UA_ReferenceNode *rn = &node->references[i];
        if(rn->isInverse)
            continue;
        const UA_NodeId hasTypeDef = UA_NODEID_NUMERIC(0, UA_NS0ID_HASTYPEDEFINITION);
        if(!UA_NodeId_equal(&rn->referenceTypeId, &hasTypeDef))
            continue;
        instantiateVariableNode(server, session, &res.addedNodeId, &rn->targetId.nodeId);
    }

    UA_AddNodesResult_deleteMembers(&res);
    return UA_STATUSCODE_GOOD;
}
/* copy an existing object under the given parent. then instantiate the
   variable for all hastypedefinitions of the original version. */
static UA_StatusCode
copyExistingObject(UA_Server *server, UA_Session *session, const UA_NodeId *variable,
                   const UA_NodeId *referenceType, const UA_NodeId *parent, 
                   UA_InstantiationCallback *instantiationCallback) {
    const UA_ObjectNode *node = (const UA_ObjectNode*)UA_NodeStore_get(server->nodestore, variable);  
    if(!node)
        return UA_STATUSCODE_BADNODEIDINVALID;
    if(node->nodeClass != UA_NODECLASS_OBJECT)
        return UA_STATUSCODE_BADNODECLASSINVALID;
    
    // copy the variable attributes
    UA_ObjectAttributes attr;
    UA_ObjectAttributes_init(&attr);
    UA_LocalizedText_copy(&node->displayName, &attr.displayName);
    UA_LocalizedText_copy(&node->description, &attr.description);
    attr.writeMask = node->writeMask;
    attr.userWriteMask = node->userWriteMask;
    attr.eventNotifier = node->eventNotifier;

    UA_AddNodesItem item;
    UA_AddNodesItem_init(&item);
    UA_NodeId_copy(parent, &item.parentNodeId.nodeId);
    UA_NodeId_copy(referenceType, &item.referenceTypeId);
    UA_QualifiedName_copy(&node->browseName, &item.browseName);
    item.nodeClass = UA_NODECLASS_OBJECT;
    item.nodeAttributes.encoding = UA_EXTENSIONOBJECT_DECODED_NODELETE;
    item.nodeAttributes.content.decoded.type = &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES];
    item.nodeAttributes.content.decoded.data = &attr;
    // don't add a typedefinition here.

    // add the new object
    UA_AddNodesResult res;
    UA_AddNodesResult_init(&res);
    Service_AddNodes_single(server, session, &item, &res, instantiationCallback);
    UA_ObjectAttributes_deleteMembers(&attr);
    UA_AddNodesItem_deleteMembers(&item);

    // now instantiate the object for all hastypedefinition references
    for(size_t i = 0; i < node->referencesSize; i++) {
        UA_ReferenceNode *rn = &node->references[i];
        if(rn->isInverse)
            continue;
        const UA_NodeId hasTypeDef = UA_NODEID_NUMERIC(0, UA_NS0ID_HASTYPEDEFINITION);
        if(!UA_NodeId_equal(&rn->referenceTypeId, &hasTypeDef))
            continue;
        instantiateObjectNode(server, session, &res.addedNodeId, &rn->targetId.nodeId, instantiationCallback);
    }
    
    if (instantiationCallback != NULL)
      instantiationCallback->method(res.addedNodeId, node->nodeId, instantiationCallback->handle);
    
    UA_AddNodesResult_deleteMembers(&res);
    return UA_STATUSCODE_GOOD;
}
示例#4
0
UA_StatusCode UA_EXPORT
UA_Server_addMethodNode(UA_Server *server, const UA_NodeId requestedNewNodeId,
                        const UA_NodeId parentNodeId, const UA_NodeId referenceTypeId,
                        const UA_QualifiedName browseName, const UA_MethodAttributes attr,
                        UA_MethodCallback method, void *handle,
                        UA_Int32 inputArgumentsSize, const UA_Argument* inputArguments, 
                        UA_Int32 outputArgumentsSize, const UA_Argument* outputArguments,
                        UA_NodeId *outNewNodeId) {
    UA_AddNodesResult result;
    UA_AddNodesResult_init(&result);
    
    UA_AddNodesItem item;
    UA_AddNodesItem_init(&item);
    result.statusCode = UA_QualifiedName_copy(&browseName, &item.browseName);
    item.nodeClass = UA_NODECLASS_METHOD;
    result.statusCode |= UA_NodeId_copy(&parentNodeId, &item.parentNodeId.nodeId);
    result.statusCode |= UA_NodeId_copy(&referenceTypeId, &item.referenceTypeId);
    result.statusCode |= UA_NodeId_copy(&requestedNewNodeId, &item.requestedNewNodeId.nodeId);
    
    UA_MethodAttributes attrCopy;
    result.statusCode |= UA_MethodAttributes_copy(&attr, &attrCopy);
    if(result.statusCode != UA_STATUSCODE_GOOD) {
        UA_AddNodesItem_deleteMembers(&item);
        UA_MethodAttributes_deleteMembers(&attrCopy);
        return result.statusCode;
    }

    UA_MethodNode *node = UA_MethodNode_new();
    if(!node) {
        result.statusCode = UA_STATUSCODE_BADOUTOFMEMORY;
        UA_AddNodesItem_deleteMembers(&item);
        UA_MethodAttributes_deleteMembers(&attrCopy);
        return result.statusCode;
    }
    
    copyStandardAttributes((UA_Node*)node, &item, (UA_NodeAttributes*)&attrCopy);
    node->executable = attrCopy.executable;
    node->userExecutable = attrCopy.executable;
    node->attachedMethod = method;
    node->methodHandle = handle;
    UA_AddNodesItem_deleteMembers(&item);
    UA_MethodAttributes_deleteMembers(&attrCopy);

    UA_Server_addExistingNode(server, &adminSession, (UA_Node*)node, &item.parentNodeId.nodeId,
                              &item.referenceTypeId, &result);
    if(result.statusCode != UA_STATUSCODE_GOOD) {
        UA_MethodNode_delete(node);
        return result.statusCode;
    }
    
    UA_ExpandedNodeId parent;
    UA_ExpandedNodeId_init(&parent);
    parent.nodeId = result.addedNodeId;
    
    /* create InputArguments */
    UA_VariableNode *inputArgumentsVariableNode = UA_VariableNode_new();
    inputArgumentsVariableNode->nodeId.namespaceIndex = result.addedNodeId.namespaceIndex;
    inputArgumentsVariableNode->browseName = UA_QUALIFIEDNAME_ALLOC(0,"InputArguments");
    inputArgumentsVariableNode->displayName = UA_LOCALIZEDTEXT_ALLOC("en_US", "InputArguments");
    inputArgumentsVariableNode->description = UA_LOCALIZEDTEXT_ALLOC("en_US", "InputArguments");
    inputArgumentsVariableNode->valueRank = 1;
    UA_Variant_setArrayCopy(&inputArgumentsVariableNode->value.variant.value, inputArguments,
                            inputArgumentsSize, &UA_TYPES[UA_TYPES_ARGUMENT]);
    UA_AddNodesResult inputAddRes;
    const UA_NodeId hasproperty = UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY);
    UA_Server_addExistingNode(server, &adminSession, (UA_Node*)inputArgumentsVariableNode,
                              &parent.nodeId, &hasproperty, &inputAddRes);
    // todo: check if adding succeeded
    UA_AddNodesResult_deleteMembers(&inputAddRes);

    /* create OutputArguments */
    UA_VariableNode *outputArgumentsVariableNode  = UA_VariableNode_new();
    outputArgumentsVariableNode->nodeId.namespaceIndex = result.addedNodeId.namespaceIndex;
    outputArgumentsVariableNode->browseName  = UA_QUALIFIEDNAME_ALLOC(0,"OutputArguments");
    outputArgumentsVariableNode->displayName = UA_LOCALIZEDTEXT_ALLOC("en_US", "OutputArguments");
    outputArgumentsVariableNode->description = UA_LOCALIZEDTEXT_ALLOC("en_US", "OutputArguments");
    outputArgumentsVariableNode->valueRank = 1;
    UA_Variant_setArrayCopy(&outputArgumentsVariableNode->value.variant.value, outputArguments,
                            outputArgumentsSize, &UA_TYPES[UA_TYPES_ARGUMENT]);
    UA_AddNodesResult outputAddRes;
    UA_Server_addExistingNode(server, &adminSession, (UA_Node*)outputArgumentsVariableNode,
                              &parent.nodeId, &hasproperty, &outputAddRes);
    // todo: check if adding succeeded
    UA_AddNodesResult_deleteMembers(&outputAddRes);

    if(outNewNodeId)
        *outNewNodeId = result.addedNodeId;
    else
        UA_AddNodesResult_deleteMembers(&result);
    return result.statusCode;
}
UA_StatusCode UA_EXPORT
UA_Server_addMethodNode(UA_Server *server, const UA_NodeId requestedNewNodeId,
                        const UA_NodeId parentNodeId, const UA_NodeId referenceTypeId,
                        const UA_QualifiedName browseName, const UA_MethodAttributes attr,
                        UA_MethodCallback method, void *handle,
                        size_t inputArgumentsSize, const UA_Argument* inputArguments, 
                        size_t outputArgumentsSize, const UA_Argument* outputArguments,
                        UA_NodeId *outNewNodeId) {
    UA_AddNodesResult result;
    UA_AddNodesResult_init(&result);
    
    UA_AddNodesItem item;
    UA_AddNodesItem_init(&item);
    result.statusCode = UA_QualifiedName_copy(&browseName, &item.browseName);
    item.nodeClass = UA_NODECLASS_METHOD;
    result.statusCode |= UA_NodeId_copy(&parentNodeId, &item.parentNodeId.nodeId);
    result.statusCode |= UA_NodeId_copy(&referenceTypeId, &item.referenceTypeId);
    result.statusCode |= UA_NodeId_copy(&requestedNewNodeId, &item.requestedNewNodeId.nodeId);
    
    UA_MethodAttributes attrCopy;
    result.statusCode |= UA_MethodAttributes_copy(&attr, &attrCopy);
    if(result.statusCode != UA_STATUSCODE_GOOD) {
        UA_AddNodesItem_deleteMembers(&item);
        UA_MethodAttributes_deleteMembers(&attrCopy);
        return result.statusCode;
    }

    UA_MethodNode *node = UA_NodeStore_newMethodNode();
    if(!node) {
        result.statusCode = UA_STATUSCODE_BADOUTOFMEMORY;
        UA_AddNodesItem_deleteMembers(&item);
        UA_MethodAttributes_deleteMembers(&attrCopy);
        return result.statusCode;
    }
    
    copyStandardAttributes((UA_Node*)node, &item, (UA_NodeAttributes*)&attrCopy);
    node->executable = attrCopy.executable;
    node->userExecutable = attrCopy.executable;
    node->attachedMethod = method;
    node->methodHandle = handle;
    UA_AddNodesItem_deleteMembers(&item);
    UA_MethodAttributes_deleteMembers(&attrCopy);

    UA_RCU_LOCK();
    UA_Server_addExistingNode(server, &adminSession, (UA_Node*)node, &item.parentNodeId.nodeId,
                              &item.referenceTypeId, &result);
    UA_RCU_UNLOCK();
    if(result.statusCode != UA_STATUSCODE_GOOD)
        return result.statusCode;
    
    UA_ExpandedNodeId parent;
    UA_ExpandedNodeId_init(&parent);
    parent.nodeId = result.addedNodeId;
    
    /* create InputArguments */
    /* FIXME:   The namespace compiler does currently not recognize the interdependancy between methods
     *          and arguments - everything is treated as a standalone node.
     *          In order to allow the compiler to create methods with arguments from an XML, this routine
     *          must be coerced into *not* creating arguments, as these will be added by the compiler as
     *          standalone nodes later. A semantic of inputArgumentsSize < 0 is used to signal this.
     * 
     *          This is not a production feature and should be fixed on the compiler side! (@ichrispa)
     */
    const UA_NodeId hasproperty = UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY);
    UA_VariableNode *inputArgumentsVariableNode = UA_NodeStore_newVariableNode();
    inputArgumentsVariableNode->nodeId.namespaceIndex = result.addedNodeId.namespaceIndex;
    inputArgumentsVariableNode->browseName = UA_QUALIFIEDNAME_ALLOC(0,"InputArguments");
    inputArgumentsVariableNode->displayName = UA_LOCALIZEDTEXT_ALLOC("en_US", "InputArguments");
    inputArgumentsVariableNode->description = UA_LOCALIZEDTEXT_ALLOC("en_US", "InputArguments");
    inputArgumentsVariableNode->valueRank = 1;
    UA_Variant_setArrayCopy(&inputArgumentsVariableNode->value.variant.value, inputArguments,
                            inputArgumentsSize, &UA_TYPES[UA_TYPES_ARGUMENT]);
    UA_AddNodesResult inputAddRes;
    UA_Server_addExistingNode(server, &adminSession, (UA_Node*)inputArgumentsVariableNode,
                              &parent.nodeId, &hasproperty, &inputAddRes);
    // todo: check if adding succeeded
    UA_AddNodesResult_deleteMembers(&inputAddRes);
    
    /* create OutputArguments */
    /* FIXME:   See comment in inputArguments */
    UA_VariableNode *outputArgumentsVariableNode  = UA_NodeStore_newVariableNode();
    outputArgumentsVariableNode->nodeId.namespaceIndex = result.addedNodeId.namespaceIndex;
    outputArgumentsVariableNode->browseName  = UA_QUALIFIEDNAME_ALLOC(0,"OutputArguments");
    outputArgumentsVariableNode->displayName = UA_LOCALIZEDTEXT_ALLOC("en_US", "OutputArguments");
    outputArgumentsVariableNode->description = UA_LOCALIZEDTEXT_ALLOC("en_US", "OutputArguments");
    outputArgumentsVariableNode->valueRank = 1;
    UA_Variant_setArrayCopy(&outputArgumentsVariableNode->value.variant.value, outputArguments,
                            outputArgumentsSize, &UA_TYPES[UA_TYPES_ARGUMENT]);
    UA_AddNodesResult outputAddRes;
    UA_Server_addExistingNode(server, &adminSession, (UA_Node*)outputArgumentsVariableNode,
                              &parent.nodeId, &hasproperty, &outputAddRes);
    // todo: check if adding succeeded
    UA_AddNodesResult_deleteMembers(&outputAddRes);
    
    if(outNewNodeId)
        *outNewNodeId = result.addedNodeId; // don't deleteMember the result
    else
        UA_AddNodesResult_deleteMembers(&result);
    return result.statusCode;
}