Example #1
0
static void
processJob(UA_Server *server, UA_Job *job) {
    UA_ASSERT_RCU_UNLOCKED();
    UA_RCU_LOCK();
    switch(job->type) {
    case UA_JOBTYPE_NOTHING:
        break;
    case UA_JOBTYPE_DETACHCONNECTION:
        UA_Connection_detachSecureChannel(job->job.closeConnection);
        break;
    case UA_JOBTYPE_BINARYMESSAGE_NETWORKLAYER:
        UA_Server_processBinaryMessage(server, job->job.binaryMessage.connection,
                                       &job->job.binaryMessage.message);
        UA_Connection *connection = job->job.binaryMessage.connection;
        connection->releaseRecvBuffer(connection, &job->job.binaryMessage.message);
        break;
    case UA_JOBTYPE_BINARYMESSAGE_ALLOCATED:
        UA_Server_processBinaryMessage(server, job->job.binaryMessage.connection,
                                       &job->job.binaryMessage.message);
        UA_ByteString_deleteMembers(&job->job.binaryMessage.message);
        break;
    case UA_JOBTYPE_METHODCALL:
    case UA_JOBTYPE_METHODCALL_DELAYED:
        job->job.methodCall.method(server, job->job.methodCall.data);
        break;
    default:
        UA_LOG_WARNING(server->config.logger, UA_LOGCATEGORY_SERVER,
                       "Trying to execute a job of unknown type");
        break;
    }
    UA_RCU_UNLOCK();
}
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_NodeStore_newVariableNode();
    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_RCU_LOCK();
    UA_Server_addExistingNode(server, &adminSession, (UA_Node*)node, &item.parentNodeId.nodeId,
                              &item.referenceTypeId, &result);
    UA_RCU_UNLOCK();
    UA_AddNodesItem_deleteMembers(&item);
    UA_VariableAttributes_deleteMembers(&attrCopy);

    if(outNewNodeId && result.statusCode == UA_STATUSCODE_GOOD)
        *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;
}