/* * 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; 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. * * @param server The server object. * @param running The loop is run as long as *running is true. Otherwise, the server shuts down. * @return Returns the statuscode of the UA_Server_run_shutdown method */ 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); /** 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); /** * Executes a single iteration of the server's main loop. * * @param server The server object. * @param waitInternal Should we wait for messages in the networklayer? * Otherwise, the timouts for the networklayers are set to zero. * The default max wait time is 50millisec. * @return Returns how long we can wait until the next scheduled job (in millisec) */ UA_UInt16 UA_EXPORT UA_Server_run_iterate(UA_Server *server, UA_Boolean waitInternal); /** * @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_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_lifecycleManagement(UA_Server *server, UA_NodeId nodeId, UA_ObjectLifecycleManagement olm); #ifndef HAVE_NODEITER_CALLBACK #define HAVE_NODEITER_CALLBACK /* Iterate over all nodes referenced by parentNodeId by calling the callback function for each child node (in ifdef because GCC/CLANG handle include order differently)*/ typedef UA_StatusCode (*UA_NodeIteratorCallback)(UA_NodeId childId, UA_Boolean isInverse, UA_NodeId referenceTypeId, void *handle); #endif UA_StatusCode UA_EXPORT UA_Server_forEachChildNodeCall(UA_Server *server, UA_NodeId parentNodeId, UA_NodeIteratorCallback callback, void *handle); /*******************/ /* Node Management */ /*******************/ typedef struct UA_InstantiationCallback_s { UA_StatusCode (*method)(UA_NodeId objectId, UA_NodeId definitionId, void *handle); void *handle; } UA_InstantiationCallback; 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_InstantiationCallback *instantiationCallback, 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_InstantiationCallback *instantiationCallback, 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], instantiationCallback, 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_InstantiationCallback *instantiationCallback, 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], instantiationCallback, 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_InstantiationCallback *instantiationCallback, 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], instantiationCallback, 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_InstantiationCallback *instantiationCallback, 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], instantiationCallback, 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_InstantiationCallback *instantiationCallback, 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], instantiationCallback, 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_InstantiationCallback *instantiationCallback, 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], instantiationCallback, 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_InstantiationCallback *instantiationCallback, 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], instantiationCallback, 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); typedef UA_StatusCode (*UA_MethodCallback)(void *methodHandle, const UA_NodeId objectId, size_t inputSize, const UA_Variant *input, size_t outputSize, UA_Variant *output); #ifdef UA_ENABLE_METHODCALLS 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); #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_ */