open62541/include/ua_server.h

 /*
 * Copyright (C) 2014 the contributors as stated in the AUTHORS file
 *
 * This file is part of open62541. open62541 is free software: you can
 * redistribute it and/or modify it under the terms of the GNU Lesser General
 * Public License, version 3 (as published by the Free Software Foundation) with
 * a static linking exception as stated in the LICENSE file provided with
 * open62541.
 *
 * open62541 is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

#ifndef UA_SERVER_H_
#define UA_SERVER_H_

#ifdef __cplusplus
extern "C" {
#endif

#include "ua_config.h"
#include "ua_types.h"
#include "ua_types_generated.h"
#include "ua_nodeids.h"
#include "ua_log.h"
#include "ua_job.h"
#include "ua_connection.h"

/*****************/
/* Server Config */
/*****************/

struct UA_ServerNetworkLayer; // forwards declaration
typedef struct UA_ServerNetworkLayer UA_ServerNetworkLayer;    

typedef struct {
    UA_String username;
    UA_String password;
} UA_UsernamePasswordLogin;

typedef struct {
    UA_UInt16 nThreads; // only if multithreading is enabled
    UA_Logger logger;

    UA_BuildInfo buildInfo;
    UA_ApplicationDescription applicationDescription;
    UA_ByteString serverCertificate;

    UA_ConnectionConfig connectionConfig;
    size_t networkLayersSize;
    UA_ServerNetworkLayer *networkLayers;

    UA_Boolean enableAnonymousLogin;
    UA_Boolean enableUsernamePasswordLogin;
    size_t usernamePasswordLoginsSize;
    UA_UsernamePasswordLogin usernamePasswordLogins[];
} UA_ServerConfig;

extern UA_EXPORT const UA_ServerConfig UA_ServerConfig_standard;

/*********************************/
/* Initialize and run the server */
/*********************************/

UA_Server UA_EXPORT * UA_Server_new(const UA_ServerConfig config);
void UA_EXPORT UA_Server_delete(UA_Server *server);

/**
 * Runs the main loop of the server. In each iteration, this calls into the networklayers to see if
 * jobs have arrived and checks if repeated jobs need to be triggered.
 */
UA_StatusCode UA_EXPORT UA_Server_run(UA_Server *server, volatile UA_Boolean *running);

/** The prologue part of UA_Server_run (no need to use if you call UA_Server_run) */
UA_StatusCode UA_EXPORT UA_Server_run_startup(UA_Server *server);

/** One iteration of UA_Server_run (no need to use if you call UA_Server_run) */
UA_StatusCode UA_EXPORT UA_Server_run_iterate(UA_Server *server);

/** The epilogue part of UA_Server_run (no need to use if you call UA_Server_run) */
UA_StatusCode UA_EXPORT UA_Server_run_shutdown(UA_Server *server);

/**
 * @param server The server object.
 * @param job The job that shall be added.
 * @param interval The job shall be repeatedly executed with the given interval (in ms). The
 *        interval must be larger than 5ms. The first execution occurs at now() + interval at the
 *        latest.
 * @param jobId Set to the guid of the repeated job. This can be used to cancel the job later on. If
 *        the pointer is null, the guid is not set.
 * @return Upon success, UA_STATUSCODE_GOOD is returned. An error code otherwise.
 */
UA_StatusCode UA_EXPORT UA_Server_addRepeatedJob(UA_Server *server, UA_Job job,
                                                 UA_UInt32 interval, UA_Guid *jobId);

/**
 * Remove repeated job. The entry will be removed asynchronously during the next iteration of the
 * server main loop.
 *
 * @param server The server object.
 * @param jobId The id of the job that shall be removed.
 * @return Upon sucess, UA_STATUSCODE_GOOD is returned. An error code otherwise.
 */
UA_StatusCode UA_EXPORT UA_Server_removeRepeatedJob(UA_Server *server, UA_Guid jobId);

/** @brief Add a new namespace to the server. Returns the index of the new namespace */
UA_UInt16 UA_EXPORT UA_Server_addNamespace(UA_Server *server, const char* name);

/**
 * Interface to the binary network layers. This structure is returned from the
 * function that initializes the network layer. The layer is already bound to a
 * specific port and listening. The functions in the structure are never called
 * in parallel but only sequentially from the server's main loop. So the network
 * layer does not need to be thread-safe.
 */
struct UA_ServerNetworkLayer {
    void *handle; // pointer to internal data
    UA_String discoveryUrl;

    /**
     * Starts listening on the the networklayer.
     *
     * @param nl The network layer
     * @param logger The logger
     * @return Returns UA_STATUSCODE_GOOD or an error code.
     */
    UA_StatusCode (*start)(UA_ServerNetworkLayer *nl, UA_ConnectionConfig config, UA_Logger logger);
    
    /**
     * Gets called from the main server loop and returns the jobs (accumulated messages and close
     * events) for dispatch.
     *
     * @param nl The network layer
     * @param jobs When the returned integer is >0, *jobs points to an array of UA_Job of the
     * returned size.
     * @param timeout The timeout during which an event must arrive in microseconds
     * @return The size of the jobs array. If the result is negative, an error has occurred.
     */
    size_t (*getJobs)(UA_ServerNetworkLayer *nl, UA_Job **jobs, UA_UInt16 timeout);

    /**
     * Closes the network connection and returns all the jobs that need to be finished before the
     * network layer can be safely deleted.
     *
     * @param nl The network layer
     * @param jobs When the returned integer is >0, jobs points to an array of UA_Job of the
     * returned size.
     * @return The size of the jobs array. If the result is negative, an error has occurred.
     */
    size_t (*stop)(UA_ServerNetworkLayer *nl, UA_Job **jobs);

    /** Deletes the network content. Call only after stopping. */
    void (*deleteMembers)(UA_ServerNetworkLayer *nl);
};

/**********************/
/* Set Node Callbacks */
/**********************/

/**
 * Datasources are the interface to local data providers. It is expected that
 * the read and release callbacks are implemented. The write callback can be set
 * to null. The read callback is set to null will result in a BADINTERNALERROR.
 */
typedef struct {
    void *handle; ///> A custom pointer to reuse the same datasource functions for multiple sources

    /**
     * Copies the data from the source into the provided value.
     *
     * @param handle An optional pointer to user-defined data for the specific data source
     * @param nodeid Id of the read node
     * @param includeSourceTimeStamp If true, then the datasource is expected to set the source
     *        timestamp in the returned value
     * @param range If not null, then the datasource shall return only a selection of the (nonscalar)
     *        data. Set UA_STATUSCODE_BADINDEXRANGEINVALID in the value if this does not apply.
     * @param value The (non-null) DataValue that is returned to the client. The data source sets the
     *        read data, the result status and optionally a sourcetimestamp.
     * @return Returns a status code for logging. Error codes intended for the original caller are set
     *         in the value. If an error is returned, then no releasing of the value is done.
     */
    UA_StatusCode (*read)(void *handle, const UA_NodeId nodeid, UA_Boolean includeSourceTimeStamp,
                          const UA_NumericRange *range, UA_DataValue *value);

    /**
     * Write into a data source. The write member of UA_DataSource can be empty if the operation
     * is unsupported.
     *
     * @param handle An optional pointer to user-defined data for the specific data source
     * @param nodeid Id of the node being written to
     * @param data The data to be written into the data source
     * @param range An optional data range. If the data source is scalar or does not support writing
     *        of ranges, then an error code is returned.
     * @return Returns a status code that is returned to the user
     */
    UA_StatusCode (*write)(void *handle, const UA_NodeId nodeid,
                           const UA_Variant *data, const UA_NumericRange *range);
} UA_DataSource;

UA_StatusCode UA_EXPORT
UA_Server_setVariableNode_dataSource(UA_Server *server, const UA_NodeId nodeId,
                                     const UA_DataSource dataSource);

/* Value Callbacks can be attach to variable and variable type nodes. If
   not-null, they are called before reading and after writing respectively */
typedef struct {
    void *handle;
    void (*onRead)(void *handle, const UA_NodeId nodeid,
                   const UA_Variant *data, const UA_NumericRange *range);
    void (*onWrite)(void *handle, const UA_NodeId nodeid,
                    const UA_Variant *data, const UA_NumericRange *range);
} UA_ValueCallback;

UA_StatusCode UA_EXPORT
UA_Server_setVariableNode_valueCallback(UA_Server *server, const UA_NodeId nodeId,
                                        const UA_ValueCallback callback);

/* The lifecycle management allows to track the instantiation and deletion of
   object nodes derived from object types. */
typedef struct {
    void * (*constructor)(const UA_NodeId instance); ///< Returns the instance handle attached to the node
    void (*destructor)(const UA_NodeId instance, void *instanceHandle);
} UA_ObjectLifecycleManagement;

UA_StatusCode UA_EXPORT
UA_Server_setObjectTypeNode_instanceLifecycleManagement(UA_Server *server, UA_NodeId nodeId,
                                                        UA_ObjectLifecycleManagement olm);

/* Iterate over all nodes referenced by parentNodeId by calling the callback
   function for each child node */
typedef UA_StatusCode (*UA_NodeIteratorCallback)(UA_NodeId childId, UA_Boolean isInverse,
                                                 UA_NodeId referenceTypeId, void *handle);

UA_StatusCode UA_EXPORT
UA_Server_forEachChildNodeCall(UA_Server *server, UA_NodeId parentNodeId,
                               UA_NodeIteratorCallback callback, void *handle);

/*******************/
/* Node Management */
/*******************/

UA_StatusCode UA_EXPORT
UA_Server_addReference(UA_Server *server, const UA_NodeId sourceId, const UA_NodeId refTypeId,
                       const UA_ExpandedNodeId targetId, UA_Boolean isForward);

UA_StatusCode UA_EXPORT
UA_Server_deleteNode(UA_Server *server, const UA_NodeId nodeId, UA_Boolean deleteReferences);
    
UA_StatusCode UA_EXPORT
UA_Server_deleteReference(UA_Server *server, const UA_NodeId sourceNodeId, const UA_NodeId referenceTypeId,
                          UA_Boolean isForward, const UA_ExpandedNodeId targetNodeId,
                          UA_Boolean deleteBidirectional);

/* Don't use this function. There are typed versions as inline functions. */
UA_StatusCode UA_EXPORT
__UA_Server_addNode(UA_Server *server, const UA_NodeClass nodeClass, const UA_NodeId requestedNewNodeId,
                    const UA_NodeId parentNodeId, const UA_NodeId referenceTypeId,
                    const UA_QualifiedName browseName, const UA_NodeId typeDefinition,
                    const UA_NodeAttributes *attr, const UA_DataType *attributeType, UA_NodeId *outNewNodeId);

static UA_INLINE UA_StatusCode
UA_Server_addVariableNode(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, UA_NodeId *outNewNodeId) {
    return __UA_Server_addNode(server, UA_NODECLASS_VARIABLE, requestedNewNodeId, parentNodeId,
                               referenceTypeId, browseName, typeDefinition, (const UA_NodeAttributes*)&attr,
                               &UA_TYPES[UA_TYPES_VARIABLEATTRIBUTES], outNewNodeId); }

static UA_INLINE UA_StatusCode
UA_Server_addVariableTypeNode(UA_Server *server, const UA_NodeId requestedNewNodeId,
                              const UA_NodeId parentNodeId, const UA_NodeId referenceTypeId,
                              const UA_QualifiedName browseName, const UA_VariableTypeAttributes attr,
                              UA_NodeId *outNewNodeId) {
    return __UA_Server_addNode(server, UA_NODECLASS_VARIABLETYPE, requestedNewNodeId, parentNodeId,
                               referenceTypeId, browseName, UA_NODEID_NULL, (const UA_NodeAttributes*)&attr,
                               &UA_TYPES[UA_TYPES_VARIABLETYPEATTRIBUTES], outNewNodeId); }

static UA_INLINE UA_StatusCode
UA_Server_addObjectNode(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_ObjectAttributes attr, UA_NodeId *outNewNodeId) {
    return __UA_Server_addNode(server, UA_NODECLASS_OBJECT, requestedNewNodeId, parentNodeId,
                               referenceTypeId, browseName, typeDefinition, (const UA_NodeAttributes*)&attr,
                               &UA_TYPES[UA_TYPES_OBJECTATTRIBUTES], outNewNodeId); }

static UA_INLINE UA_StatusCode
UA_Server_addObjectTypeNode(UA_Server *server, const UA_NodeId requestedNewNodeId,
                            const UA_NodeId parentNodeId, const UA_NodeId referenceTypeId,
                            const UA_QualifiedName browseName, const UA_ObjectTypeAttributes attr,
                            UA_NodeId *outNewNodeId) {
    return __UA_Server_addNode(server, UA_NODECLASS_OBJECTTYPE, requestedNewNodeId, parentNodeId,
                               referenceTypeId, browseName, UA_NODEID_NULL, (const UA_NodeAttributes*)&attr,
                               &UA_TYPES[UA_TYPES_OBJECTTYPEATTRIBUTES], outNewNodeId); }

static UA_INLINE UA_StatusCode
UA_Server_addViewNode(UA_Server *server, const UA_NodeId requestedNewNodeId,
                      const UA_NodeId parentNodeId, const UA_NodeId referenceTypeId,
                      const UA_QualifiedName browseName, const UA_ViewAttributes attr,
                      UA_NodeId *outNewNodeId) {
    return __UA_Server_addNode(server, UA_NODECLASS_VIEW, requestedNewNodeId, parentNodeId,
                               referenceTypeId, browseName, UA_NODEID_NULL, (const UA_NodeAttributes*)&attr,
                               &UA_TYPES[UA_TYPES_VIEWATTRIBUTES], outNewNodeId); }

static UA_INLINE UA_StatusCode
UA_Server_addReferenceTypeNode(UA_Server *server, const UA_NodeId requestedNewNodeId,
                               const UA_NodeId parentNodeId, const UA_NodeId referenceTypeId,
                               const UA_QualifiedName browseName, const UA_ReferenceTypeAttributes attr,
                               UA_NodeId *outNewNodeId) {
    return __UA_Server_addNode(server, UA_NODECLASS_REFERENCETYPE, requestedNewNodeId, parentNodeId,
                               referenceTypeId, browseName, UA_NODEID_NULL, (const UA_NodeAttributes*)&attr,
                               &UA_TYPES[UA_TYPES_REFERENCETYPEATTRIBUTES], outNewNodeId); }

static UA_INLINE UA_StatusCode
UA_Server_addDataTypeNode(UA_Server *server, const UA_NodeId requestedNewNodeId,
                          const UA_NodeId parentNodeId, const UA_NodeId referenceTypeId,
                          const UA_QualifiedName browseName, const UA_DataTypeAttributes attr,
                          UA_NodeId *outNewNodeId) {
    return __UA_Server_addNode(server, UA_NODECLASS_DATATYPE, requestedNewNodeId, parentNodeId,
                               referenceTypeId, browseName, UA_NODEID_NULL, (const UA_NodeAttributes*)&attr,
                               &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES], outNewNodeId); }

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);

#ifdef UA_ENABLE_METHODCALLS
typedef UA_StatusCode (*UA_MethodCallback)(void *methodHandle, const UA_NodeId objectId,
                                           size_t inputSize, const UA_Variant *input,
                                           size_t outputSize, UA_Variant *output);

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);
#endif

/*************************/
/* Write Node Attributes */
/*************************/

/* The following node attributes cannot be written
   - NodeClass
   - NodeId
   - Symmetric
   - ContainsNoLoop
   
   The following attributes cannot be written from the server, as there is no "user" in the server
   - UserWriteMask
   - UserAccessLevel
   - UserExecutable

   The following attributes are currently taken from the value variant:
   TODO: Handle them independent from the variable, ensure that the implicit constraints hold
   - DataType
   - ValueRank
   - ArrayDimensions
   
   - Historizing is currently unsupported
  */

/* Don't use this function. There are typed versions with no additional overhead. */
UA_StatusCode UA_EXPORT
__UA_Server_write(UA_Server *server, const UA_NodeId *nodeId, const UA_AttributeId attributeId,
                  const UA_DataType *type, const void *value);

static UA_INLINE UA_StatusCode
UA_Server_writeBrowseName(UA_Server *server, const UA_NodeId nodeId, const UA_QualifiedName browseName) {
    return __UA_Server_write(server, &nodeId, UA_ATTRIBUTEID_BROWSENAME, &UA_TYPES[UA_TYPES_QUALIFIEDNAME], &browseName); }

static UA_INLINE UA_StatusCode
UA_Server_writeDisplayName(UA_Server *server, const UA_NodeId nodeId, const UA_LocalizedText displayName) {
    return __UA_Server_write(server, &nodeId, UA_ATTRIBUTEID_DISPLAYNAME, &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], &displayName); }

static UA_INLINE UA_StatusCode
UA_Server_writeDescription(UA_Server *server, const UA_NodeId nodeId, const UA_LocalizedText description) {
    return __UA_Server_write(server, &nodeId, UA_ATTRIBUTEID_DESCRIPTION, &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], &description); }

static UA_INLINE UA_StatusCode
UA_Server_writeWriteMask(UA_Server *server, const UA_NodeId nodeId, const UA_UInt32 writeMask) {
    return __UA_Server_write(server, &nodeId, UA_ATTRIBUTEID_WRITEMASK, &UA_TYPES[UA_TYPES_UINT32], &writeMask); }

static UA_INLINE UA_StatusCode
UA_Server_writeIsAbstract(UA_Server *server, const UA_NodeId nodeId, const UA_Boolean isAbstract) {
    return __UA_Server_write(server, &nodeId, UA_ATTRIBUTEID_ISABSTRACT, &UA_TYPES[UA_TYPES_BOOLEAN], &isAbstract); }

static UA_INLINE UA_StatusCode
UA_Server_writeInverseName(UA_Server *server, const UA_NodeId nodeId, const UA_LocalizedText inverseName) {
    return __UA_Server_write(server, &nodeId, UA_ATTRIBUTEID_INVERSENAME, &UA_TYPES[UA_TYPES_LOCALIZEDTEXT], &inverseName); }

static UA_INLINE UA_StatusCode
UA_Server_writeEventNotifier(UA_Server *server, const UA_NodeId nodeId, const UA_Byte eventNotifier) {
    return __UA_Server_write(server, &nodeId, UA_ATTRIBUTEID_EVENTNOTIFIER, &UA_TYPES[UA_TYPES_BYTE], &eventNotifier); }

static UA_INLINE UA_StatusCode
UA_Server_writeValue(UA_Server *server, const UA_NodeId nodeId, const UA_Variant value) {
    return __UA_Server_write(server, &nodeId, UA_ATTRIBUTEID_VALUE, &UA_TYPES[UA_TYPES_VARIANT], &value); }

static UA_INLINE UA_StatusCode
UA_Server_writeAccessLevel(UA_Server *server, const UA_NodeId nodeId, const UA_UInt32 accessLevel) {
    return __UA_Server_write(server, &nodeId, UA_ATTRIBUTEID_ACCESSLEVEL, &UA_TYPES[UA_TYPES_UINT32], &accessLevel); }

static UA_INLINE UA_StatusCode
UA_Server_writeMinimumSamplingInterval(UA_Server *server, const UA_NodeId nodeId, const UA_Double miniumSamplingInterval) {
    return __UA_Server_write(server, &nodeId, UA_ATTRIBUTEID_MINIMUMSAMPLINGINTERVAL, &UA_TYPES[UA_TYPES_DOUBLE], &miniumSamplingInterval); }

static UA_INLINE UA_StatusCode
UA_Server_writeExecutable(UA_Server *server, const UA_NodeId nodeId, const UA_Boolean executable) {
    return __UA_Server_write(server, &nodeId, UA_ATTRIBUTEID_EXECUTABLE, &UA_TYPES[UA_TYPES_BOOLEAN], &executable); }

/************************/
/* Read Node Attributes */
/************************/

/* The following attributes cannot be read, since the "admin" user always has all rights.
   - UserWriteMask
   - UserAccessLevel
   - UserExecutable
*/

/* Don't use this function. There are typed versions for every supported attribute. */
UA_StatusCode UA_EXPORT
__UA_Server_read(UA_Server *server, const UA_NodeId *nodeId, UA_AttributeId attributeId, void *v);
  
static UA_INLINE UA_StatusCode
UA_Server_readNodeId(UA_Server *server, const UA_NodeId nodeId, UA_NodeId *outNodeId) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_NODEID, outNodeId); }

static UA_INLINE UA_StatusCode
UA_Server_readNodeClass(UA_Server *server, const UA_NodeId nodeId, UA_NodeClass *outNodeClass) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_NODECLASS, outNodeClass); }

static UA_INLINE UA_StatusCode
UA_Server_readBrowseName(UA_Server *server, const UA_NodeId nodeId, UA_QualifiedName *outBrowseName) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_BROWSENAME, outBrowseName); }

static UA_INLINE UA_StatusCode
UA_Server_readDisplayName(UA_Server *server, const UA_NodeId nodeId, UA_LocalizedText *outDisplayName) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_DISPLAYNAME, outDisplayName); }

static UA_INLINE UA_StatusCode
UA_Server_readDescription(UA_Server *server, const UA_NodeId nodeId, UA_LocalizedText *outDescription) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_DESCRIPTION, outDescription); }

static UA_INLINE UA_StatusCode
UA_Server_readWriteMask(UA_Server *server, const UA_NodeId nodeId, UA_UInt32 *outWriteMask) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_WRITEMASK, outWriteMask); }

static UA_INLINE UA_StatusCode
UA_Server_readIsAbstract(UA_Server *server, const UA_NodeId nodeId, UA_Boolean *outIsAbstract) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_ISABSTRACT, outIsAbstract); }

static UA_INLINE UA_StatusCode
UA_Server_readSymmetric(UA_Server *server, const UA_NodeId nodeId, UA_Boolean *outSymmetric) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_SYMMETRIC, outSymmetric); }

static UA_INLINE UA_StatusCode
UA_Server_readInverseName(UA_Server *server, const UA_NodeId nodeId, UA_LocalizedText *outInverseName) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_INVERSENAME, outInverseName); }

static UA_INLINE UA_StatusCode
UA_Server_readContainsNoLoop(UA_Server *server, const UA_NodeId nodeId, UA_Boolean *outContainsNoLoops) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_CONTAINSNOLOOPS, outContainsNoLoops); }

static UA_INLINE UA_StatusCode
UA_Server_readEventNotifier(UA_Server *server, const UA_NodeId nodeId, UA_Byte *outEventNotifier) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_EVENTNOTIFIER, outEventNotifier); }

static UA_INLINE UA_StatusCode
UA_Server_readValue(UA_Server *server, const UA_NodeId nodeId, UA_Variant *outValue) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_VALUE, outValue); }

static UA_INLINE UA_StatusCode
UA_Server_readDataType(UA_Server *server, const UA_NodeId nodeId, UA_NodeId *outDataType) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_DATATYPE, outDataType); }

static UA_INLINE UA_StatusCode
UA_Server_readValueRank(UA_Server *server, const UA_NodeId nodeId, UA_Int32 *outValueRank) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_VALUERANK, outValueRank); }

/* Returns a variant with an int32 array */
static UA_INLINE UA_StatusCode
UA_Server_readArrayDimensions(UA_Server *server, const UA_NodeId nodeId, UA_Variant *outArrayDimensions) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_ARRAYDIMENSIONS, outArrayDimensions); }

static UA_INLINE UA_StatusCode
UA_Server_readAccessLevel(UA_Server *server, const UA_NodeId nodeId, UA_UInt32 *outAccessLevel) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_ACCESSLEVEL, outAccessLevel); }

static UA_INLINE UA_StatusCode
UA_Server_readMinimumSamplingInterval(UA_Server *server, const UA_NodeId nodeId, UA_Double *outMinimumSamplingInterval) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_MINIMUMSAMPLINGINTERVAL, outMinimumSamplingInterval); }

static UA_INLINE UA_StatusCode
UA_Server_readHistorizing(UA_Server *server, const UA_NodeId nodeId, UA_Boolean *outHistorizing) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_HISTORIZING, outHistorizing); }

static UA_INLINE UA_StatusCode
UA_Server_readExecutable(UA_Server *server, const UA_NodeId nodeId, UA_Boolean *outExecutable) {
    return __UA_Server_read(server, &nodeId, UA_ATTRIBUTEID_EXECUTABLE, outExecutable); }

/****************/
/* Browse Nodes */
/****************/

UA_BrowseResult UA_EXPORT UA_Server_browse(UA_Server *server, UA_UInt32 maxrefs, const UA_BrowseDescription *descr);
UA_BrowseResult UA_Server_browseNext(UA_Server *server, UA_Boolean releaseContinuationPoint, const UA_ByteString *continuationPoint);

/***************/
/* Call Method */
/***************/

#ifdef UA_ENABLE_METHODCALLS
UA_CallMethodResult UA_EXPORT UA_Server_call(UA_Server *server, const UA_CallMethodRequest *request);
#endif

#ifdef __cplusplus
}
#endif

#endif /* UA_SERVER_H_ */