/* * Copyright (C) 2013-2015 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_TYPES_H_ #define UA_TYPES_H_ #ifdef __cplusplus extern "C" { #endif #ifndef UA_FFI_BINDINGS #include #include #endif #include "ua_config.h" #include "ua_statuscodes.h" /* Indicates that an array has the length 0 (NULL indicates an non-defined array of length -1)*/ #define UA_EMPTY_ARRAY_SENTINEL ((void*)0x01) /****************************/ /* Builtin Type Definitions */ /****************************/ #define UA_BUILTIN_TYPES_COUNT 25 /** Boolean: A two-state logical value (true or false) */ typedef bool UA_Boolean; #define UA_TRUE true #define UA_FALSE false /** SByte: An integer value between -128 and 127 */ typedef int8_t UA_SByte; #define UA_SBYTE_MAX 127 #define UA_SBYTE_MIN (-128) /** Byte: An integer value between 0 and 256 */ typedef uint8_t UA_Byte; #define UA_BYTE_MAX 256 #define UA_BYTE_MIN 0 /** Int16: An integer value between -32 768 and 32 767 */ typedef int16_t UA_Int16; #define UA_INT16_MAX 32767 #define UA_INT16_MIN (-32768) /** UInt16: An integer value between 0 and 65 535 */ typedef uint16_t UA_UInt16; #define UA_UINT16_MAX 65535 #define UA_UINT16_MIN 0 /** Int32: An integer value between -2 147 483 648 and 2 147 483 647 */ typedef int32_t UA_Int32; #define UA_INT32_MAX 2147483647 #define UA_INT32_MIN (-2147483648) /** UInt32: An integer value between 0 and 4 294 967 295 */ typedef uint32_t UA_UInt32; #define UA_UINT32_MAX 4294967295 #define UA_UINT32_MIN 0 /** Int64: An integer value between -10 223 372 036 854 775 808 and 9 223 372 036 854 775 807 */ typedef int64_t UA_Int64; #define UA_INT64_MAX (int64_t)9223372036854775807 #define UA_INT64_MIN ((int64_t)-9223372036854775808) /** UInt64: An integer value between 0 and 18 446 744 073 709 551 615 */ typedef uint64_t UA_UInt64; #define UA_UINT64_MAX (int64_t)18446744073709551615 #define UA_UINT64_MIN (int64_t)0 /** Float: An IEEE single precision (32 bit) floating point value */ typedef float UA_Float; /** Double: An IEEE double precision (64 bit) floating point value */ typedef double UA_Double; /********************************************/ /* String: A sequence of Unicode characters */ /********************************************/ typedef struct { size_t length; // The length of the string UA_Byte *data; // The string's content (not null-terminated) } UA_String; UA_EXPORT extern const UA_String UA_STRING_NULL; static UA_INLINE UA_String UA_STRING(char *chars) { UA_String str; str.length = strlen(chars); str.data = (UA_Byte*)chars; return str; } #define UA_STRING_ALLOC(CHARS) UA_String_fromChars(CHARS) /** Copies the content on the heap. Returns a null-string when alloc fails */ UA_String UA_EXPORT UA_String_fromChars(char const src[]) UA_FUNC_ATTR_WARN_UNUSED_RESULT; UA_Boolean UA_EXPORT UA_String_equal(const UA_String *s1, const UA_String *s2); /*********************************/ /* DateTime: An instance in time */ /*********************************/ /* A DateTime value is encoded as a 64-bit signed integer which represents the number of 100 nanosecond intervals since January 1, 1601 (UTC) */ typedef UA_Int64 UA_DateTime; UA_DateTime UA_EXPORT UA_DateTime_now(void); ///> The current time typedef struct UA_DateTimeStruct { UA_UInt16 nanoSec; UA_UInt16 microSec; UA_UInt16 milliSec; UA_UInt16 sec; UA_UInt16 min; UA_UInt16 hour; UA_UInt16 day; UA_UInt16 month; UA_UInt16 year; } UA_DateTimeStruct; UA_DateTimeStruct UA_EXPORT UA_DateTime_toStruct(UA_DateTime time); UA_String UA_EXPORT UA_DateTime_toString(UA_DateTime time); /**************************************************************************/ /* Guid: A 16 byte value that can be used as a globally unique identifier */ /**************************************************************************/ typedef struct { UA_UInt32 data1; UA_UInt16 data2; UA_UInt16 data3; UA_Byte data4[8]; } UA_Guid; UA_Boolean UA_EXPORT UA_Guid_equal(const UA_Guid *g1, const UA_Guid *g2); UA_Guid UA_EXPORT UA_Guid_random(UA_UInt32 *seed); /************************************/ /* ByteString: A sequence of octets */ /************************************/ typedef UA_String UA_ByteString; static UA_INLINE UA_Boolean UA_ByteString_equal(const UA_ByteString *string1, const UA_ByteString *string2) { return UA_String_equal((const UA_String*)string1, (const UA_String*)string2); } /* Allocates memory of size length for the bytestring. The content is not set to zero. */ UA_StatusCode UA_EXPORT UA_ByteString_allocBuffer(UA_ByteString *bs, size_t length) UA_FUNC_ATTR_WARN_UNUSED_RESULT; UA_EXPORT extern const UA_ByteString UA_BYTESTRING_NULL; static UA_INLINE UA_ByteString UA_BYTESTRING(char *chars) { UA_ByteString str; str.length = strlen(chars); str.data = (UA_Byte*)chars; return str; } static UA_INLINE UA_ByteString UA_BYTESTRING_ALLOC(const char *chars) { UA_String str = UA_String_fromChars(chars); UA_ByteString bstr; bstr.length = str.length; bstr.data = str.data; return bstr; } /******************************/ /* XmlElement: An XML element */ /******************************/ typedef UA_String UA_XmlElement; /*****************************************************************************/ /* NodeId: An identifier for a node in the address space of an OPC UA Server */ /*****************************************************************************/ enum UA_NodeIdType { UA_NODEIDTYPE_NUMERIC = 0, ///< On the wire, this can be 0,1,2 for numeric nodeids of different sizes UA_NODEIDTYPE_STRING = 3, UA_NODEIDTYPE_GUID = 4, UA_NODEIDTYPE_BYTESTRING = 5 }; typedef struct { UA_UInt16 namespaceIndex; enum UA_NodeIdType identifierType; union { UA_UInt32 numeric; UA_String string; UA_Guid guid; UA_ByteString byteString; } identifier; } UA_NodeId; UA_EXPORT extern const UA_NodeId UA_NODEID_NULL; static UA_INLINE UA_Boolean UA_NodeId_isNull(const UA_NodeId *p) { return (p->namespaceIndex == 0 && p->identifierType == UA_NODEIDTYPE_NUMERIC && p->identifier.numeric == 0); } UA_Boolean UA_EXPORT UA_NodeId_equal(const UA_NodeId *n1, const UA_NodeId *n2); static UA_INLINE UA_NodeId UA_NODEID_NUMERIC(UA_UInt16 nsIndex, UA_Int32 identifier) { UA_NodeId id; id.namespaceIndex = nsIndex; id.identifierType = UA_NODEIDTYPE_NUMERIC; id.identifier.numeric = identifier; return id; } static UA_INLINE UA_NodeId UA_NODEID_STRING(UA_UInt16 nsIndex, char *chars) { UA_NodeId id; id.namespaceIndex = nsIndex; id.identifierType = UA_NODEIDTYPE_STRING; id.identifier.string = UA_STRING(chars); return id; } static UA_INLINE UA_NodeId UA_NODEID_STRING_ALLOC(UA_UInt16 nsIndex, const char *chars) { UA_NodeId id; id.namespaceIndex = nsIndex; id.identifierType = UA_NODEIDTYPE_STRING; id.identifier.string = UA_STRING_ALLOC(chars); return id; } static UA_INLINE UA_NodeId UA_NODEID_GUID(UA_UInt16 nsIndex, UA_Guid guid) { UA_NodeId id; id.namespaceIndex = nsIndex; id.identifierType = UA_NODEIDTYPE_GUID; id.identifier.guid = guid; return id; } static UA_INLINE UA_NodeId UA_NODEID_BYTESTRING(UA_UInt16 nsIndex, char *chars) { UA_NodeId id; id.namespaceIndex = nsIndex; id.identifierType = UA_NODEIDTYPE_BYTESTRING; id.identifier.byteString = UA_BYTESTRING(chars); return id; } static UA_INLINE UA_NodeId UA_NODEID_BYTESTRING_ALLOC(UA_UInt16 nsIndex, const char *chars) { UA_NodeId id; id.namespaceIndex = nsIndex; id.identifierType = UA_NODEIDTYPE_BYTESTRING; id.identifier.byteString = UA_BYTESTRING_ALLOC(chars); return id; } /**********************************************************************************************/ /* ExpandedNodeId: A NodeId that allows the namespace URI to be specified instead of an index */ /**********************************************************************************************/ typedef struct { UA_NodeId nodeId; UA_String namespaceUri; UA_UInt32 serverIndex; } UA_ExpandedNodeId; static UA_INLINE UA_ExpandedNodeId UA_EXPANDEDNODEID_NUMERIC(UA_UInt16 nsIndex, UA_Int32 identifier) { UA_ExpandedNodeId id; id.nodeId = UA_NODEID_NUMERIC(nsIndex, identifier); id.serverIndex = 0; id.namespaceUri = UA_STRING_NULL; return id; } static UA_INLINE UA_ExpandedNodeId UA_EXPANDEDNODEID_STRING(UA_UInt16 nsIndex, char *chars) { UA_ExpandedNodeId id; id.nodeId = UA_NODEID_STRING(nsIndex, chars); id.serverIndex = 0; id.namespaceUri = UA_STRING_NULL; return id; } static UA_INLINE UA_ExpandedNodeId UA_EXPANDEDNODEID_STRING_ALLOC(UA_UInt16 nsIndex, const char *chars) { UA_ExpandedNodeId id; id.nodeId = UA_NODEID_STRING_ALLOC(nsIndex, chars); id.serverIndex = 0; id.namespaceUri = UA_STRING_NULL; return id; } static UA_INLINE UA_ExpandedNodeId UA_EXPANDEDNODEID_STRING_GUID(UA_UInt16 nsIndex, UA_Guid guid) { UA_ExpandedNodeId id; id.nodeId = UA_NODEID_GUID(nsIndex, guid); id.serverIndex = 0; id.namespaceUri = UA_STRING_NULL; return id; } static UA_INLINE UA_ExpandedNodeId UA_EXPANDEDNODEID_BYTESTRING(UA_UInt16 nsIndex, char *chars) { UA_ExpandedNodeId id; id.nodeId = UA_NODEID_BYTESTRING(nsIndex, chars); id.serverIndex = 0; id.namespaceUri = UA_STRING_NULL; return id; } static UA_INLINE UA_ExpandedNodeId UA_EXPANDEDNODEID_BYTESTRING_ALLOC(UA_UInt16 nsIndex, const char *chars) { UA_ExpandedNodeId id; id.nodeId = UA_NODEID_BYTESTRING_ALLOC(nsIndex, chars); id.serverIndex = 0; id.namespaceUri = UA_STRING_NULL; return id; } /**************************************************/ /* QualifiedName: A name qualified by a namespace */ /**************************************************/ typedef struct { UA_UInt16 namespaceIndex; UA_String name; } UA_QualifiedName; static UA_INLINE UA_QualifiedName UA_QUALIFIEDNAME(UA_UInt16 nsIndex, char *chars) { UA_QualifiedName qn; qn.namespaceIndex = nsIndex; qn.name = UA_STRING(chars); return qn; } static UA_INLINE UA_QualifiedName UA_QUALIFIEDNAME_ALLOC(UA_UInt16 nsIndex, const char *chars) { UA_QualifiedName qn; qn.namespaceIndex = nsIndex; qn.name = UA_STRING_ALLOC(chars); return qn; } /*************************************************************************/ /* LocalizedText: Human readable text with an optional locale identifier */ /*************************************************************************/ typedef struct { UA_String locale; UA_String text; } UA_LocalizedText; static UA_INLINE UA_LocalizedText UA_LOCALIZEDTEXT(char *locale, char *text) { UA_LocalizedText lt; lt.locale = UA_STRING(locale); lt.text = UA_STRING(text); return lt; } static UA_INLINE UA_LocalizedText UA_LOCALIZEDTEXT_ALLOC(const char *locale, const char *text) { UA_LocalizedText lt; lt.locale = UA_STRING_ALLOC(locale); lt.text = UA_STRING_ALLOC(text); return lt; } /* Forward Declaration of UA_DataType */ struct UA_DataType; typedef struct UA_DataType UA_DataType; /********************************************************************************/ /* ExtensionObject: A structure that contains an application specific data type */ /* that may not be recognized by the receiver */ /********************************************************************************/ typedef struct { enum { UA_EXTENSIONOBJECT_ENCODED_NOBODY = 0, UA_EXTENSIONOBJECT_ENCODED_BYTESTRING = 1, UA_EXTENSIONOBJECT_ENCODED_XML = 2, UA_EXTENSIONOBJECT_DECODED = 3, ///< There is a pointer to the decoded data UA_EXTENSIONOBJECT_DECODED_NODELETE = 4 ///< Don't delete the decoded data at the lifecycle end } encoding; union { struct { UA_NodeId typeId; ///< The nodeid of the datatype UA_ByteString body; ///< The bytestring of the encoded data } encoded; struct { const UA_DataType *type; void *data; } decoded; } content; } UA_ExtensionObject; /*********************************************/ /* Variant: Stores (arrays of) any data type */ /*********************************************/ /* Variant semantics: - arrayLength == 0 && data == NULL: no existing data - arrayLength == 0 && data == 0x01: array of length 0 - arrayLength == 0 && data > 0x01: scalar value - arrayLength > 0: array of the given length */ typedef struct { const UA_DataType *type; // The data type description enum { UA_VARIANT_DATA, /* The data has the same lifecycle as the variant */ UA_VARIANT_DATA_NODELETE, /* The data is "borrowed" by the variant and shall not be deleted at the end of the variant's lifecycle. */ } storageType; size_t arrayLength; // The number of elements in the data array void *data; // Points to the scalar or array data size_t arrayDimensionsSize; // The number of dimensions the data-array has UA_UInt32 *arrayDimensions; // The length of each dimension of the data-array } UA_Variant; /** * Returns true if the variant contains a scalar value. Note that empty variants contain an array of * length -1 (undefined). * * @param v The variant * @return Does the variant contain a scalar value. */ static UA_INLINE UA_Boolean UA_Variant_isScalar(const UA_Variant *v) { return (v->arrayLength == 0 && v->data > UA_EMPTY_ARRAY_SENTINEL); } /** * Set the variant to a scalar value that already resides in memory. The value takes on the * lifecycle of the variant and is deleted with it. * * @param v The variant * @param p A pointer to the value data * @param type The datatype of the value in question */ void UA_EXPORT UA_Variant_setScalar(UA_Variant *v, void * UA_RESTRICT p, const UA_DataType *type); /** * Set the variant to a scalar value that is copied from an existing variable. * * @param v The variant * @param p A pointer to the value data * @param type The datatype of the value * @return Indicates whether the operation succeeded or returns an error code */ UA_StatusCode UA_EXPORT UA_Variant_setScalarCopy(UA_Variant *v, const void *p, const UA_DataType *type); /** * Set the variant to an array that already resides in memory. The array takes on the lifecycle of * the variant and is deleted with it. * * @param v The variant * @param array A pointer to the array data * @param arraySize The size of the array * @param type The datatype of the array */ void UA_EXPORT UA_Variant_setArray(UA_Variant *v, void * UA_RESTRICT array, size_t arraySize, const UA_DataType *type); /** * Set the variant to an array that is copied from an existing array. * * @param v The variant * @param array A pointer to the array data * @param arraySize The size of the array * @param type The datatype of the array * @return Indicates whether the operation succeeded or returns an error code */ UA_StatusCode UA_EXPORT UA_Variant_setArrayCopy(UA_Variant *v, const void *array, size_t arraySize, const UA_DataType *type); /* NumericRanges are used to indicate subsets of a (multidimensional) variant * array. NumericRange has no official type structure in the standard. On the * wire, it only exists as an encoded string, such as "1:2,0:3,5". The colon * separates min/max index and the comma separates dimensions. A single value * indicates a range with a single element (min==max). */ typedef struct { size_t dimensionsSize; struct UA_NumericRangeDimension { UA_UInt32 min; UA_UInt32 max; } *dimensions; } UA_NumericRange; /** * Copy the variant, but use only a subset of the (multidimensional) array into a variant. Returns * an error code if the variant is not an array or if the indicated range does not fit. * * @param src The source variant * @param dst The target variant * @param range The range of the copied data * @return Returns UA_STATUSCODE_GOOD or an error code */ UA_StatusCode UA_EXPORT UA_Variant_copyRange(const UA_Variant *src, UA_Variant *dst, const UA_NumericRange range); /** * Insert a range of data into an existing variant. The data array can't be reused afterwards if it * contains types without a fixed size (e.g. strings) since the members are moved into the variant * and take on its lifecycle. * * @param v The variant * @param dataArray The data array. The type must match the variant * @param dataArraySize The length of the data array. This is checked to match the range size. * @param range The range of where the new data is inserted * @return Returns UA_STATUSCODE_GOOD or an error code */ UA_StatusCode UA_EXPORT UA_Variant_setRange(UA_Variant *v, void * UA_RESTRICT array, size_t arraySize, const UA_NumericRange range); /** * Deep-copy a range of data into an existing variant. * * @param v The variant * @param dataArray The data array. The type must match the variant * @param dataArraySize The length of the data array. This is checked to match the range size. * @param range The range of where the new data is inserted * @return Returns UA_STATUSCODE_GOOD or an error code */ UA_StatusCode UA_EXPORT UA_Variant_setRangeCopy(UA_Variant *v, const void *array, size_t arraySize, const UA_NumericRange range); /**************************************************************************/ /* DataValue: A data value with an associated status code and timestamps. */ /**************************************************************************/ typedef struct { UA_Boolean hasValue : 1; UA_Boolean hasStatus : 1; UA_Boolean hasSourceTimestamp : 1; UA_Boolean hasServerTimestamp : 1; UA_Boolean hasSourcePicoseconds : 1; UA_Boolean hasServerPicoseconds : 1; UA_Variant value; UA_StatusCode status; UA_DateTime sourceTimestamp; UA_Int16 sourcePicoseconds; UA_DateTime serverTimestamp; UA_Int16 serverPicoseconds; } UA_DataValue; /***************************************************************************/ /* DiagnosticInfo: A structure that contains detailed error and diagnostic */ /* information associated with a StatusCode. */ /***************************************************************************/ typedef struct UA_DiagnosticInfo { UA_Boolean hasSymbolicId : 1; UA_Boolean hasNamespaceUri : 1; UA_Boolean hasLocalizedText : 1; UA_Boolean hasLocale : 1; UA_Boolean hasAdditionalInfo : 1; UA_Boolean hasInnerStatusCode : 1; UA_Boolean hasInnerDiagnosticInfo : 1; UA_Int32 symbolicId; UA_Int32 namespaceUri; UA_Int32 localizedText; UA_Int32 locale; UA_String additionalInfo; UA_StatusCode innerStatusCode; struct UA_DiagnosticInfo *innerDiagnosticInfo; } UA_DiagnosticInfo; /*************************/ /* Generic Type Handling */ /*************************/ #define UA_MAX_TYPE_MEMBERS 13 // Maximum number of members per structured type typedef struct { #ifdef ENABLE_TYPEINTROSPECTION const char *memberName; #endif UA_UInt16 memberTypeIndex; ///< Index of the member in the datatypetable UA_Byte padding; /**< How much padding is there before this member element? For arrays this is split into 2 bytes padding before the length index (max 4 bytes) and 3 bytes padding before the pointer (max 8 bytes) */ UA_Boolean namespaceZero : 1; /**< The type of the member is defined in namespace zero. In this implementation, types from custom namespace may contain members from the same namespace or ns0 only.*/ UA_Boolean isArray : 1; ///< The member is an array of the given type } UA_DataTypeMember; struct UA_DataType { #ifdef ENABLE_TYPEINTROSPECTION const char *typeName; #endif UA_NodeId typeId; ///< The nodeid of the type UA_UInt16 memSize; ///< Size of the struct in memory UA_UInt16 typeIndex; ///< Index of the type in the datatypetable UA_Byte membersSize; ///< How many members does the type have? UA_Boolean builtin : 1; ///< The type is "builtin" and has dedicated de- and encoding functions UA_Boolean fixedSize : 1; ///< The type (and its members) contains no pointers UA_Boolean zeroCopyable : 1; ///< The type can be copied directly off the stream (given that the endianness matches) UA_DataTypeMember members[UA_MAX_TYPE_MEMBERS]; }; /** * Allocates and initializes a variable of type dataType * * @param type The datatype description * @return Returns the memory location of the variable or (void*)0 if no memory is available */ void UA_EXPORT * UA_new(const UA_DataType *type) UA_FUNC_ATTR_MALLOC; /** * Initializes a variable to default values * * @param p The memory location of the variable * @param type The datatype description */ static UA_INLINE void UA_init(void *p, const UA_DataType *type) { memset(p, 0, type->memSize); } /** * Copies the content of two variables. If copying fails (e.g. because no memory was available for * an array), then dst is emptied and initialized to prevent memory leaks. * * @param src The memory location of the source variable * @param dst The memory location of the destination variable * @param type The datatype description * @return Indicates whether the operation succeeded or returns an error code */ UA_StatusCode UA_EXPORT UA_copy(const void *src, void *dst, const UA_DataType *type) UA_FUNC_ATTR_WARN_UNUSED_RESULT; /** * Deletes the dynamically assigned content of a variable (e.g. a member-array). * Afterwards, the variable can be safely deleted without causing memory leaks. * But the variable is not initialized and may contain old data that is not * memory-relevant. * * @param p The memory location of the variable * @param type The datatype description of the variable */ void UA_EXPORT UA_deleteMembers(void *p, const UA_DataType *type); /** * Deletes (frees) a variable and all of its content. * * @param p The memory location of the variable * @param type The datatype description of the variable */ void UA_EXPORT UA_delete(void *p, const UA_DataType *type); /********************/ /* Array operations */ /********************/ #define MAX_ARRAY_SIZE 104857600 // arrays must be smaller than 100MB /** * Allocates and initializes an array of variables of a specific type * * @param size The requested array length * @param type The datatype description * @return Returns the memory location of the variable or (void*)0 if no memory could be allocated */ void UA_EXPORT * UA_Array_new(size_t size, const UA_DataType *type) UA_FUNC_ATTR_MALLOC; /** * Allocates and copies an array. dst is set to (void*)0 if not enough memory is available. * * @param src The memory location of the source array * @param src_size The size of the array * @param dst The location of the pointer to the new array * @param type The datatype of the array members * @return Returns whether copying succeeded */ UA_StatusCode UA_EXPORT UA_Array_copy(const void *src, size_t src_size, void **dst, const UA_DataType *type) UA_FUNC_ATTR_WARN_UNUSED_RESULT; /** * Deletes an array. * * @param p The memory location of the array * @param size The size of the array * @param type The datatype of the array members */ void UA_EXPORT UA_Array_delete(void *p, size_t size, const UA_DataType *type); /**********************/ /* Node Attribute Ids */ /**********************/ /* These are not generated from XML. Server *and* client need them. */ typedef enum { UA_ATTRIBUTEID_NODEID = 1, UA_ATTRIBUTEID_NODECLASS = 2, UA_ATTRIBUTEID_BROWSENAME = 3, UA_ATTRIBUTEID_DISPLAYNAME = 4, UA_ATTRIBUTEID_DESCRIPTION = 5, UA_ATTRIBUTEID_WRITEMASK = 6, UA_ATTRIBUTEID_USERWRITEMASK = 7, UA_ATTRIBUTEID_ISABSTRACT = 8, UA_ATTRIBUTEID_SYMMETRIC = 9, UA_ATTRIBUTEID_INVERSENAME = 10, UA_ATTRIBUTEID_CONTAINSNOLOOPS = 11, UA_ATTRIBUTEID_EVENTNOTIFIER = 12, UA_ATTRIBUTEID_VALUE = 13, UA_ATTRIBUTEID_DATATYPE = 14, UA_ATTRIBUTEID_VALUERANK = 15, UA_ATTRIBUTEID_ARRAYDIMENSIONS = 16, UA_ATTRIBUTEID_ACCESSLEVEL = 17, UA_ATTRIBUTEID_USERACCESSLEVEL = 18, UA_ATTRIBUTEID_MINIMUMSAMPLINGINTERVAL = 19, UA_ATTRIBUTEID_HISTORIZING = 20, UA_ATTRIBUTEID_EXECUTABLE = 21, UA_ATTRIBUTEID_USEREXECUTABLE = 22 } UA_AttributeId; typedef enum { UA_ACCESSLEVELMASK_READ = 0x01, UA_ACCESSLEVELMASK_WRITE = 0x02, UA_ACCESSLEVELMASK_HISTORYREAD = 0x4, UA_ACCESSLEVELMASK_HISTORYWRITE = 0x08, UA_ACCESSLEVELMASK_SEMANTICCHANGE = 0x10 } UA_AccessLevelMask; /***************************/ /* Random Number Generator */ /***************************/ /** * If UA_MULTITHREADING is enabled, then the seed is stored in thread local storage. The seed is * initialized for every thread in the server/client. */ UA_EXPORT void UA_random_seed(UA_UInt64 seed); UA_EXPORT UA_UInt32 UA_random(void); #ifdef __cplusplus } // extern "C" #endif #endif /* UA_TYPES_H_ */