ua_server_ns0.c 32 KB

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  1. /* This Source Code Form is subject to the terms of the Mozilla Public
  2. * License, v. 2.0. If a copy of the MPL was not distributed with this
  3. * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  4. #include "ua_server_internal.h"
  5. #include "ua_namespace0.h"
  6. #include "ua_subscription.h"
  7. /*****************/
  8. /* Node Creation */
  9. /*****************/
  10. static UA_StatusCode
  11. addNode_begin(UA_Server *server, UA_NodeClass nodeClass,
  12. UA_UInt32 nodeId, char *name, void *attributes,
  13. const UA_DataType *attributesType) {
  14. UA_AddNodesItem item;
  15. UA_AddNodesItem_init(&item);
  16. item.nodeClass = nodeClass;
  17. item.requestedNewNodeId.nodeId = UA_NODEID_NUMERIC(0, nodeId);
  18. item.browseName = UA_QUALIFIEDNAME(0, name);
  19. item.nodeAttributes.encoding = UA_EXTENSIONOBJECT_DECODED_NODELETE;
  20. item.nodeAttributes.content.decoded.data = attributes;
  21. item.nodeAttributes.content.decoded.type = attributesType;
  22. return Operation_addNode_begin(server, &adminSession, &item, NULL, NULL);
  23. }
  24. static UA_StatusCode
  25. addNode_finish(UA_Server *server, UA_UInt32 nodeId,
  26. UA_UInt32 parentNodeId, UA_UInt32 referenceTypeId,
  27. UA_UInt32 typeDefinitionId) {
  28. UA_NodeId node = UA_NODEID_NUMERIC(0, nodeId);
  29. UA_NodeId parentNode = UA_NODEID_NUMERIC(0, parentNodeId);
  30. UA_NodeId referenceType = UA_NODEID_NUMERIC(0, referenceTypeId);
  31. UA_NodeId typeDefinition = UA_NODEID_NUMERIC(0, typeDefinitionId);
  32. return Operation_addNode_finish(server, &adminSession, &node, &parentNode,
  33. &referenceType, &typeDefinition);
  34. }
  35. static UA_StatusCode
  36. addDataTypeNode(UA_Server *server, char* name, UA_UInt32 datatypeid,
  37. UA_Boolean isAbstract, UA_UInt32 parentid) {
  38. UA_DataTypeAttributes attr = UA_DataTypeAttributes_default;
  39. attr.displayName = UA_LOCALIZEDTEXT("", name);
  40. attr.isAbstract = isAbstract;
  41. return UA_Server_addDataTypeNode(server, UA_NODEID_NUMERIC(0, datatypeid),
  42. UA_NODEID_NUMERIC(0, parentid), UA_NODEID_NULL,
  43. UA_QUALIFIEDNAME(0, name), attr, NULL, NULL);
  44. }
  45. static UA_StatusCode
  46. addObjectTypeNode(UA_Server *server, char* name, UA_UInt32 objecttypeid,
  47. UA_Boolean isAbstract, UA_UInt32 parentid) {
  48. UA_ObjectTypeAttributes attr = UA_ObjectTypeAttributes_default;
  49. attr.displayName = UA_LOCALIZEDTEXT("", name);
  50. attr.isAbstract = isAbstract;
  51. return UA_Server_addObjectTypeNode(server, UA_NODEID_NUMERIC(0, objecttypeid),
  52. UA_NODEID_NUMERIC(0, parentid), UA_NODEID_NULL,
  53. UA_QUALIFIEDNAME(0, name), attr, NULL, NULL);
  54. }
  55. static UA_StatusCode
  56. addObjectNode(UA_Server *server, char* name, UA_UInt32 objectid,
  57. UA_UInt32 parentid, UA_UInt32 referenceid, UA_UInt32 type_id) {
  58. UA_ObjectAttributes object_attr = UA_ObjectAttributes_default;
  59. object_attr.displayName = UA_LOCALIZEDTEXT("", name);
  60. return UA_Server_addObjectNode(server, UA_NODEID_NUMERIC(0, objectid),
  61. UA_NODEID_NUMERIC(0, parentid),
  62. UA_NODEID_NUMERIC(0, referenceid),
  63. UA_QUALIFIEDNAME(0, name),
  64. UA_NODEID_NUMERIC(0, type_id),
  65. object_attr, NULL, NULL);
  66. }
  67. static UA_StatusCode
  68. addReferenceTypeNode(UA_Server *server, char* name, char *inverseName, UA_UInt32 referencetypeid,
  69. UA_Boolean isabstract, UA_Boolean symmetric, UA_UInt32 parentid) {
  70. UA_ReferenceTypeAttributes reference_attr = UA_ReferenceTypeAttributes_default;
  71. reference_attr.displayName = UA_LOCALIZEDTEXT("", name);
  72. reference_attr.isAbstract = isabstract;
  73. reference_attr.symmetric = symmetric;
  74. if(inverseName)
  75. reference_attr.inverseName = UA_LOCALIZEDTEXT("", inverseName);
  76. return UA_Server_addReferenceTypeNode(server, UA_NODEID_NUMERIC(0, referencetypeid),
  77. UA_NODEID_NUMERIC(0, parentid), UA_NODEID_NULL,
  78. UA_QUALIFIEDNAME(0, name), reference_attr, NULL, NULL);
  79. }
  80. static UA_StatusCode
  81. addVariableTypeNode(UA_Server *server, char* name, UA_UInt32 variabletypeid,
  82. UA_Boolean isAbstract, UA_Int32 valueRank, UA_UInt32 dataType,
  83. const UA_DataType *type, UA_UInt32 parentid) {
  84. UA_VariableTypeAttributes attr = UA_VariableTypeAttributes_default;
  85. attr.displayName = UA_LOCALIZEDTEXT("", name);
  86. attr.dataType = UA_NODEID_NUMERIC(0, dataType);
  87. attr.isAbstract = isAbstract;
  88. attr.valueRank = valueRank;
  89. if(type) {
  90. void *val = UA_alloca(type->memSize);
  91. UA_init(val, type);
  92. UA_Variant_setScalar(&attr.value, val, type);
  93. }
  94. return UA_Server_addVariableTypeNode(server, UA_NODEID_NUMERIC(0, variabletypeid),
  95. UA_NODEID_NUMERIC(0, parentid), UA_NODEID_NULL,
  96. UA_QUALIFIEDNAME(0, name), UA_NODEID_NULL, attr, NULL, NULL);
  97. }
  98. /**********************/
  99. /* Create Namespace 0 */
  100. /**********************/
  101. /* Creates the basic nodes which are expected by the nodeset compiler to be
  102. * already created. This is necessary to reduce the dependencies for the nodeset
  103. * compiler. */
  104. static UA_StatusCode
  105. UA_Server_createNS0_base(UA_Server *server) {
  106. UA_StatusCode ret = UA_STATUSCODE_GOOD;
  107. /*********************************/
  108. /* Bootstrap reference hierarchy */
  109. /*********************************/
  110. /* Bootstrap References and HasSubtype */
  111. UA_ReferenceTypeAttributes references_attr = UA_ReferenceTypeAttributes_default;
  112. references_attr.displayName = UA_LOCALIZEDTEXT("", "References");
  113. references_attr.isAbstract = true;
  114. references_attr.symmetric = true;
  115. references_attr.inverseName = UA_LOCALIZEDTEXT("", "References");
  116. ret |= addNode_begin(server, UA_NODECLASS_REFERENCETYPE, UA_NS0ID_REFERENCES, "References",
  117. &references_attr, &UA_TYPES[UA_TYPES_REFERENCETYPEATTRIBUTES]);
  118. UA_ReferenceTypeAttributes hassubtype_attr = UA_ReferenceTypeAttributes_default;
  119. hassubtype_attr.displayName = UA_LOCALIZEDTEXT("", "HasSubtype");
  120. hassubtype_attr.isAbstract = false;
  121. hassubtype_attr.symmetric = false;
  122. hassubtype_attr.inverseName = UA_LOCALIZEDTEXT("", "SubtypeOf");
  123. ret |= addNode_begin(server, UA_NODECLASS_REFERENCETYPE, UA_NS0ID_HASSUBTYPE, "HasSubtype",
  124. &hassubtype_attr, &UA_TYPES[UA_TYPES_REFERENCETYPEATTRIBUTES]);
  125. ret |= addReferenceTypeNode(server, "HierarchicalReferences", NULL,
  126. UA_NS0ID_HIERARCHICALREFERENCES,
  127. true, false, UA_NS0ID_REFERENCES);
  128. ret |= addReferenceTypeNode(server, "NonHierarchicalReferences", NULL,
  129. UA_NS0ID_NONHIERARCHICALREFERENCES,
  130. true, false, UA_NS0ID_REFERENCES);
  131. ret |= addReferenceTypeNode(server, "HasChild", NULL, UA_NS0ID_HASCHILD,
  132. true, false, UA_NS0ID_HIERARCHICALREFERENCES);
  133. ret |= addReferenceTypeNode(server, "Organizes", "OrganizedBy", UA_NS0ID_ORGANIZES,
  134. false, false, UA_NS0ID_HIERARCHICALREFERENCES);
  135. ret |= addReferenceTypeNode(server, "HasEventSource", "EventSourceOf", UA_NS0ID_HASEVENTSOURCE,
  136. false, false, UA_NS0ID_HIERARCHICALREFERENCES);
  137. ret |= addReferenceTypeNode(server, "HasModellingRule", "ModellingRuleOf", UA_NS0ID_HASMODELLINGRULE,
  138. false, false, UA_NS0ID_NONHIERARCHICALREFERENCES);
  139. ret |= addReferenceTypeNode(server, "HasEncoding", "EncodingOf", UA_NS0ID_HASENCODING,
  140. false, false, UA_NS0ID_NONHIERARCHICALREFERENCES);
  141. ret |= addReferenceTypeNode(server, "HasDescription", "DescriptionOf", UA_NS0ID_HASDESCRIPTION,
  142. false, false, UA_NS0ID_NONHIERARCHICALREFERENCES);
  143. ret |= addReferenceTypeNode(server, "HasTypeDefinition", "TypeDefinitionOf", UA_NS0ID_HASTYPEDEFINITION,
  144. false, false, UA_NS0ID_NONHIERARCHICALREFERENCES);
  145. ret |= addReferenceTypeNode(server, "GeneratesEvent", "GeneratedBy", UA_NS0ID_GENERATESEVENT,
  146. false, false, UA_NS0ID_NONHIERARCHICALREFERENCES);
  147. ret |= addReferenceTypeNode(server, "Aggregates", "AggregatedBy", UA_NS0ID_AGGREGATES,
  148. false, false, UA_NS0ID_HASCHILD);
  149. /* Complete bootstrap of HasSubtype */
  150. ret |= addNode_finish(server, UA_NS0ID_HASSUBTYPE, UA_NS0ID_HASCHILD, UA_NS0ID_HASSUBTYPE, 0);
  151. ret |= addReferenceTypeNode(server, "HasProperty", "PropertyOf", UA_NS0ID_HASPROPERTY,
  152. false, false, UA_NS0ID_AGGREGATES);
  153. ret |= addReferenceTypeNode(server, "HasComponent", "ComponentOf", UA_NS0ID_HASCOMPONENT,
  154. false, false, UA_NS0ID_AGGREGATES);
  155. ret |= addReferenceTypeNode(server, "HasNotifier", "NotifierOf", UA_NS0ID_HASNOTIFIER,
  156. false, false, UA_NS0ID_HASEVENTSOURCE);
  157. ret |= addReferenceTypeNode(server, "HasOrderedComponent", "OrderedComponentOf",
  158. UA_NS0ID_HASORDEREDCOMPONENT, false, false, UA_NS0ID_HASCOMPONENT);
  159. /**************/
  160. /* Data Types */
  161. /**************/
  162. /* Bootstrap BaseDataType */
  163. UA_DataTypeAttributes basedatatype_attr = UA_DataTypeAttributes_default;
  164. basedatatype_attr.displayName = UA_LOCALIZEDTEXT("", "BaseDataType");
  165. basedatatype_attr.isAbstract = true;
  166. ret |= addNode_begin(server, UA_NODECLASS_DATATYPE, UA_NS0ID_BASEDATATYPE, "BaseDataType",
  167. &basedatatype_attr, &UA_TYPES[UA_TYPES_DATATYPEATTRIBUTES]);
  168. ret |= addDataTypeNode(server, "Number", UA_NS0ID_NUMBER, true, UA_NS0ID_BASEDATATYPE);
  169. ret |= addDataTypeNode(server, "Integer", UA_NS0ID_INTEGER, true, UA_NS0ID_NUMBER);
  170. ret |= addDataTypeNode(server, "UInteger", UA_NS0ID_UINTEGER, true, UA_NS0ID_NUMBER);
  171. ret |= addDataTypeNode(server, "Boolean", UA_NS0ID_BOOLEAN, false, UA_NS0ID_BASEDATATYPE);
  172. ret |= addDataTypeNode(server, "SByte", UA_NS0ID_SBYTE, false, UA_NS0ID_INTEGER);
  173. ret |= addDataTypeNode(server, "Byte", UA_NS0ID_BYTE, false, UA_NS0ID_UINTEGER);
  174. ret |= addDataTypeNode(server, "Int16", UA_NS0ID_INT16, false, UA_NS0ID_INTEGER);
  175. ret |= addDataTypeNode(server, "UInt16", UA_NS0ID_UINT16, false, UA_NS0ID_UINTEGER);
  176. ret |= addDataTypeNode(server, "Int32", UA_NS0ID_INT32, false, UA_NS0ID_INTEGER);
  177. ret |= addDataTypeNode(server, "UInt32", UA_NS0ID_UINT32, false, UA_NS0ID_UINTEGER);
  178. ret |= addDataTypeNode(server, "Int64", UA_NS0ID_INT64, false, UA_NS0ID_INTEGER);
  179. ret |= addDataTypeNode(server, "UInt64", UA_NS0ID_UINT64, false, UA_NS0ID_UINTEGER);
  180. ret |= addDataTypeNode(server, "Float", UA_NS0ID_FLOAT, false, UA_NS0ID_NUMBER);
  181. ret |= addDataTypeNode(server, "Double", UA_NS0ID_DOUBLE, false, UA_NS0ID_NUMBER);
  182. ret |= addDataTypeNode(server, "DateTime", UA_NS0ID_DATETIME, false, UA_NS0ID_BASEDATATYPE);
  183. ret |= addDataTypeNode(server, "String", UA_NS0ID_STRING, false, UA_NS0ID_BASEDATATYPE);
  184. ret |= addDataTypeNode(server, "ByteString", UA_NS0ID_BYTESTRING, false, UA_NS0ID_BASEDATATYPE);
  185. ret |= addDataTypeNode(server, "Guid", UA_NS0ID_GUID, false, UA_NS0ID_BASEDATATYPE);
  186. ret |= addDataTypeNode(server, "XmlElement", UA_NS0ID_XMLELEMENT, false, UA_NS0ID_BASEDATATYPE);
  187. ret |= addDataTypeNode(server, "NodeId", UA_NS0ID_NODEID, false, UA_NS0ID_BASEDATATYPE);
  188. ret |= addDataTypeNode(server, "ExpandedNodeId", UA_NS0ID_EXPANDEDNODEID, false, UA_NS0ID_BASEDATATYPE);
  189. ret |= addDataTypeNode(server, "QualifiedName", UA_NS0ID_QUALIFIEDNAME, false, UA_NS0ID_BASEDATATYPE);
  190. ret |= addDataTypeNode(server, "LocalizedText", UA_NS0ID_LOCALIZEDTEXT, false, UA_NS0ID_BASEDATATYPE);
  191. ret |= addDataTypeNode(server, "StatusCode", UA_NS0ID_STATUSCODE, false, UA_NS0ID_BASEDATATYPE);
  192. ret |= addDataTypeNode(server, "Structure", UA_NS0ID_STRUCTURE, true, UA_NS0ID_BASEDATATYPE);
  193. ret |= addDataTypeNode(server, "Decimal128", UA_NS0ID_DECIMAL128, false, UA_NS0ID_NUMBER);
  194. ret |= addDataTypeNode(server, "Duration", UA_NS0ID_DURATION, false, UA_NS0ID_DOUBLE);
  195. ret |= addDataTypeNode(server, "UtcTime", UA_NS0ID_UTCTIME, false, UA_NS0ID_DATETIME);
  196. ret |= addDataTypeNode(server, "LocaleId", UA_NS0ID_LOCALEID, false, UA_NS0ID_STRING);
  197. /*****************/
  198. /* VariableTypes */
  199. /*****************/
  200. /* Bootstrap BaseVariableType */
  201. UA_VariableTypeAttributes basevar_attr = UA_VariableTypeAttributes_default;
  202. basevar_attr.displayName = UA_LOCALIZEDTEXT("", "BaseVariableType");
  203. basevar_attr.isAbstract = true;
  204. basevar_attr.valueRank = -2;
  205. basevar_attr.dataType = UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATATYPE);
  206. ret |= addNode_begin(server, UA_NODECLASS_VARIABLETYPE, UA_NS0ID_BASEVARIABLETYPE, "BaseVariableType",
  207. &basevar_attr, &UA_TYPES[UA_TYPES_VARIABLETYPEATTRIBUTES]);
  208. ret |= addVariableTypeNode(server, "BaseDataVariableType", UA_NS0ID_BASEDATAVARIABLETYPE,
  209. false, -2, UA_NS0ID_BASEDATATYPE, NULL, UA_NS0ID_BASEVARIABLETYPE);
  210. /***************/
  211. /* ObjectTypes */
  212. /***************/
  213. /* Bootstrap BaseObjectType */
  214. UA_ObjectTypeAttributes baseobj_attr = UA_ObjectTypeAttributes_default;
  215. baseobj_attr.displayName = UA_LOCALIZEDTEXT("", "BaseObjectType");
  216. ret |= addNode_begin(server, UA_NODECLASS_OBJECTTYPE, UA_NS0ID_BASEOBJECTTYPE, "BaseObjectType",
  217. &baseobj_attr, &UA_TYPES[UA_TYPES_OBJECTTYPEATTRIBUTES]);
  218. ret |= addObjectTypeNode(server, "FolderType", UA_NS0ID_FOLDERTYPE,
  219. false, UA_NS0ID_BASEOBJECTTYPE);
  220. /******************/
  221. /* Root and below */
  222. /******************/
  223. ret |= addObjectNode(server, "Root", UA_NS0ID_ROOTFOLDER, 0, 0, UA_NS0ID_FOLDERTYPE);
  224. ret |= addObjectNode(server, "Objects", UA_NS0ID_OBJECTSFOLDER, UA_NS0ID_ROOTFOLDER,
  225. UA_NS0ID_ORGANIZES, UA_NS0ID_FOLDERTYPE);
  226. ret |= addObjectNode(server, "Types", UA_NS0ID_TYPESFOLDER, UA_NS0ID_ROOTFOLDER,
  227. UA_NS0ID_ORGANIZES, UA_NS0ID_FOLDERTYPE);
  228. ret |= addObjectNode(server, "ReferenceTypes", UA_NS0ID_REFERENCETYPESFOLDER, UA_NS0ID_TYPESFOLDER,
  229. UA_NS0ID_ORGANIZES, UA_NS0ID_FOLDERTYPE);
  230. ret |= addNode_finish(server, UA_NS0ID_REFERENCES, UA_NS0ID_REFERENCETYPESFOLDER,
  231. UA_NS0ID_ORGANIZES, 0);
  232. ret |= addObjectNode(server, "DataTypes", UA_NS0ID_DATATYPESFOLDER, UA_NS0ID_TYPESFOLDER,
  233. UA_NS0ID_ORGANIZES, UA_NS0ID_FOLDERTYPE);
  234. ret |= addNode_finish(server, UA_NS0ID_BASEDATATYPE, UA_NS0ID_DATATYPESFOLDER,
  235. UA_NS0ID_ORGANIZES, 0);
  236. ret |= addObjectNode(server, "VariableTypes", UA_NS0ID_VARIABLETYPESFOLDER, UA_NS0ID_TYPESFOLDER,
  237. UA_NS0ID_ORGANIZES, UA_NS0ID_FOLDERTYPE);
  238. ret |= addNode_finish(server, UA_NS0ID_BASEVARIABLETYPE, UA_NS0ID_VARIABLETYPESFOLDER,
  239. UA_NS0ID_ORGANIZES, 0);
  240. ret |= addObjectNode(server, "ObjectTypes", UA_NS0ID_OBJECTTYPESFOLDER, UA_NS0ID_TYPESFOLDER,
  241. UA_NS0ID_ORGANIZES, UA_NS0ID_FOLDERTYPE);
  242. ret |= addNode_finish(server, UA_NS0ID_BASEOBJECTTYPE, UA_NS0ID_OBJECTTYPESFOLDER,
  243. UA_NS0ID_ORGANIZES, 0);
  244. ret |= addObjectNode(server, "EventTypes", UA_NS0ID_EVENTTYPESFOLDER, UA_NS0ID_TYPESFOLDER,
  245. UA_NS0ID_ORGANIZES, UA_NS0ID_FOLDERTYPE);
  246. ret |= addObjectNode(server, "Views", UA_NS0ID_VIEWSFOLDER, UA_NS0ID_ROOTFOLDER,
  247. UA_NS0ID_ORGANIZES, UA_NS0ID_FOLDERTYPE);
  248. if (ret != UA_STATUSCODE_GOOD)
  249. return UA_STATUSCODE_BADINTERNALERROR;
  250. return UA_STATUSCODE_GOOD;
  251. }
  252. /****************/
  253. /* Data Sources */
  254. /****************/
  255. static UA_StatusCode
  256. readStatus(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
  257. const UA_NodeId *nodeId, void *nodeContext, UA_Boolean sourceTimestamp,
  258. const UA_NumericRange *range, UA_DataValue *value) {
  259. if(range) {
  260. value->hasStatus = true;
  261. value->status = UA_STATUSCODE_BADINDEXRANGEINVALID;
  262. return UA_STATUSCODE_GOOD;
  263. }
  264. UA_ServerStatusDataType *statustype = UA_ServerStatusDataType_new();
  265. statustype->startTime = server->startTime;
  266. statustype->currentTime = UA_DateTime_now();
  267. statustype->state = UA_SERVERSTATE_RUNNING;
  268. statustype->secondsTillShutdown = 0;
  269. UA_BuildInfo_copy(&server->config.buildInfo, &statustype->buildInfo);
  270. value->value.type = &UA_TYPES[UA_TYPES_SERVERSTATUSDATATYPE];
  271. value->value.arrayLength = 0;
  272. value->value.data = statustype;
  273. value->value.arrayDimensionsSize = 0;
  274. value->value.arrayDimensions = NULL;
  275. value->hasValue = true;
  276. if(sourceTimestamp) {
  277. value->hasSourceTimestamp = true;
  278. value->sourceTimestamp = UA_DateTime_now();
  279. }
  280. return UA_STATUSCODE_GOOD;
  281. }
  282. static UA_StatusCode
  283. readServiceLevel(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
  284. const UA_NodeId *nodeId, void *nodeContext, UA_Boolean includeSourceTimeStamp,
  285. const UA_NumericRange *range, UA_DataValue *value) {
  286. if(range) {
  287. value->hasStatus = true;
  288. value->status = UA_STATUSCODE_BADINDEXRANGEINVALID;
  289. return UA_STATUSCODE_GOOD;
  290. }
  291. value->value.type = &UA_TYPES[UA_TYPES_BYTE];
  292. value->value.arrayLength = 0;
  293. UA_Byte *byte = UA_Byte_new();
  294. *byte = 255;
  295. value->value.data = byte;
  296. value->value.arrayDimensionsSize = 0;
  297. value->value.arrayDimensions = NULL;
  298. value->hasValue = true;
  299. if(includeSourceTimeStamp) {
  300. value->hasSourceTimestamp = true;
  301. value->sourceTimestamp = UA_DateTime_now();
  302. }
  303. return UA_STATUSCODE_GOOD;
  304. }
  305. static UA_StatusCode
  306. readAuditing(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
  307. const UA_NodeId *nodeId, void *nodeContext, UA_Boolean includeSourceTimeStamp,
  308. const UA_NumericRange *range, UA_DataValue *value) {
  309. if(range) {
  310. value->hasStatus = true;
  311. value->status = UA_STATUSCODE_BADINDEXRANGEINVALID;
  312. return UA_STATUSCODE_GOOD;
  313. }
  314. value->value.type = &UA_TYPES[UA_TYPES_BOOLEAN];
  315. value->value.arrayLength = 0;
  316. UA_Boolean *boolean = UA_Boolean_new();
  317. *boolean = false;
  318. value->value.data = boolean;
  319. value->value.arrayDimensionsSize = 0;
  320. value->value.arrayDimensions = NULL;
  321. value->hasValue = true;
  322. if(includeSourceTimeStamp) {
  323. value->hasSourceTimestamp = true;
  324. value->sourceTimestamp = UA_DateTime_now();
  325. }
  326. return UA_STATUSCODE_GOOD;
  327. }
  328. static UA_StatusCode
  329. readNamespaces(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
  330. const UA_NodeId *nodeid, void *nodeContext, UA_Boolean includeSourceTimeStamp,
  331. const UA_NumericRange *range,
  332. UA_DataValue *value) {
  333. if(range) {
  334. value->hasStatus = true;
  335. value->status = UA_STATUSCODE_BADINDEXRANGEINVALID;
  336. return UA_STATUSCODE_GOOD;
  337. }
  338. UA_StatusCode retval;
  339. retval = UA_Variant_setArrayCopy(&value->value, server->namespaces,
  340. server->namespacesSize, &UA_TYPES[UA_TYPES_STRING]);
  341. if(retval != UA_STATUSCODE_GOOD)
  342. return retval;
  343. value->hasValue = true;
  344. if(includeSourceTimeStamp) {
  345. value->hasSourceTimestamp = true;
  346. value->sourceTimestamp = UA_DateTime_now();
  347. }
  348. return UA_STATUSCODE_GOOD;
  349. }
  350. static UA_StatusCode
  351. writeNamespaces(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
  352. const UA_NodeId *nodeid, void *nodeContext, const UA_NumericRange *range,
  353. const UA_DataValue *value) {
  354. /* Check the data type */
  355. if(!value->hasValue ||
  356. value->value.type != &UA_TYPES[UA_TYPES_STRING])
  357. return UA_STATUSCODE_BADTYPEMISMATCH;
  358. /* Check that the variant is not empty */
  359. if(!value->value.data)
  360. return UA_STATUSCODE_BADTYPEMISMATCH;
  361. /* TODO: Writing with a range is not implemented */
  362. if(range)
  363. return UA_STATUSCODE_BADINTERNALERROR;
  364. UA_String *newNamespaces = (UA_String*)value->value.data;
  365. size_t newNamespacesSize = value->value.arrayLength;
  366. /* Test if we append to the existing namespaces */
  367. if(newNamespacesSize <= server->namespacesSize)
  368. return UA_STATUSCODE_BADTYPEMISMATCH;
  369. /* Test if the existing namespaces are unchanged */
  370. for(size_t i = 0; i < server->namespacesSize; ++i) {
  371. if(!UA_String_equal(&server->namespaces[i], &newNamespaces[i]))
  372. return UA_STATUSCODE_BADINTERNALERROR;
  373. }
  374. /* Add namespaces */
  375. for(size_t i = server->namespacesSize; i < newNamespacesSize; ++i)
  376. addNamespace(server, newNamespaces[i]);
  377. return UA_STATUSCODE_GOOD;
  378. }
  379. static UA_StatusCode
  380. readCurrentTime(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
  381. const UA_NodeId *nodeid, void *nodeContext, UA_Boolean sourceTimeStamp,
  382. const UA_NumericRange *range, UA_DataValue *value) {
  383. if(range) {
  384. value->hasStatus = true;
  385. value->status = UA_STATUSCODE_BADINDEXRANGEINVALID;
  386. return UA_STATUSCODE_GOOD;
  387. }
  388. UA_DateTime currentTime = UA_DateTime_now();
  389. UA_StatusCode retval = UA_Variant_setScalarCopy(&value->value, &currentTime,
  390. &UA_TYPES[UA_TYPES_DATETIME]);
  391. if(retval != UA_STATUSCODE_GOOD)
  392. return retval;
  393. value->hasValue = true;
  394. if(sourceTimeStamp) {
  395. value->hasSourceTimestamp = true;
  396. value->sourceTimestamp = currentTime;
  397. }
  398. return UA_STATUSCODE_GOOD;
  399. }
  400. #if defined(UA_ENABLE_METHODCALLS) && defined(UA_ENABLE_SUBSCRIPTIONS)
  401. static UA_StatusCode
  402. readMonitoredItems(UA_Server *server, const UA_NodeId *sessionId, void *sessionContext,
  403. const UA_NodeId *methodId, void *methodContext, const UA_NodeId *objectId,
  404. void *objectContext, size_t inputSize,
  405. const UA_Variant *input, size_t outputSize,
  406. UA_Variant *output) {
  407. UA_Session *session = UA_SessionManager_getSessionById(&server->sessionManager, sessionId);
  408. if(!session)
  409. return UA_STATUSCODE_BADINTERNALERROR;
  410. UA_UInt32 subscriptionId = *((UA_UInt32*)(input[0].data));
  411. UA_Subscription* subscription = UA_Session_getSubscriptionByID(session, subscriptionId);
  412. if(!subscription)
  413. return UA_STATUSCODE_BADSUBSCRIPTIONIDINVALID;
  414. UA_UInt32 sizeOfOutput = 0;
  415. UA_MonitoredItem* monitoredItem;
  416. LIST_FOREACH(monitoredItem, &subscription->monitoredItems, listEntry) {
  417. ++sizeOfOutput;
  418. }
  419. if(sizeOfOutput==0)
  420. return UA_STATUSCODE_GOOD;
  421. UA_UInt32* clientHandles = (UA_UInt32 *)UA_Array_new(sizeOfOutput, &UA_TYPES[UA_TYPES_UINT32]);
  422. UA_UInt32* serverHandles = (UA_UInt32 *)UA_Array_new(sizeOfOutput, &UA_TYPES[UA_TYPES_UINT32]);
  423. UA_UInt32 i = 0;
  424. LIST_FOREACH(monitoredItem, &subscription->monitoredItems, listEntry) {
  425. clientHandles[i] = monitoredItem->clientHandle;
  426. serverHandles[i] = monitoredItem->itemId;
  427. ++i;
  428. }
  429. UA_Variant_setArray(&output[0], clientHandles, sizeOfOutput, &UA_TYPES[UA_TYPES_UINT32]);
  430. UA_Variant_setArray(&output[1], serverHandles, sizeOfOutput, &UA_TYPES[UA_TYPES_UINT32]);
  431. return UA_STATUSCODE_GOOD;
  432. }
  433. #endif /* defined(UA_ENABLE_METHODCALLS) && defined(UA_ENABLE_SUBSCRIPTIONS) */
  434. static UA_StatusCode
  435. writeNs0Variable(UA_Server *server, UA_UInt32 id, void *v, const UA_DataType *type) {
  436. UA_Variant var;
  437. UA_Variant_init(&var);
  438. UA_Variant_setScalar(&var, v, type);
  439. return UA_Server_writeValue(server, UA_NODEID_NUMERIC(0, id), var);
  440. }
  441. static UA_StatusCode
  442. writeNs0VariableArray(UA_Server *server, UA_UInt32 id, void *v,
  443. size_t length, const UA_DataType *type) {
  444. UA_Variant var;
  445. UA_Variant_init(&var);
  446. UA_Variant_setArray(&var, v, length, type);
  447. return UA_Server_writeValue(server, UA_NODEID_NUMERIC(0, id), var);
  448. }
  449. /* Initialize the nodeset 0 by using the generated code of the nodeset compiler.
  450. * This also initialized the data sources for various variables, such as for
  451. * example server time. */
  452. UA_StatusCode
  453. UA_Server_initNS0(UA_Server *server) {
  454. /* Initialize base nodes which are always required an cannot be created
  455. * through the NS compiler */
  456. server->bootstrapNS0 = true;
  457. UA_StatusCode retVal = UA_Server_createNS0_base(server);
  458. server->bootstrapNS0 = false;
  459. if (retVal != UA_STATUSCODE_GOOD)
  460. return retVal;
  461. /* Load nodes and references generated from the XML ns0 definition */
  462. server->bootstrapNS0 = true;
  463. retVal = ua_namespace0(server);
  464. server->bootstrapNS0 = false;
  465. if (retVal != UA_STATUSCODE_GOOD)
  466. return retVal;
  467. /* NamespaceArray */
  468. UA_DataSource namespaceDataSource = {readNamespaces, NULL};
  469. retVal |= UA_Server_setVariableNode_dataSource(server,
  470. UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_NAMESPACEARRAY),
  471. namespaceDataSource);
  472. /* ServerArray */
  473. retVal |= writeNs0VariableArray(server, UA_NS0ID_SERVER_SERVERARRAY,
  474. &server->config.applicationDescription.applicationUri,
  475. 1, &UA_TYPES[UA_TYPES_STRING]);
  476. /* LocaleIdArray */
  477. UA_LocaleId locale_en = UA_STRING("en");
  478. retVal |= writeNs0VariableArray(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_LOCALEIDARRAY,
  479. &locale_en, 1, &UA_TYPES[UA_TYPES_LOCALEID]);
  480. /* MaxBrowseContinuationPoints */
  481. UA_UInt16 maxBrowseContinuationPoints = 0; /* no restriction */
  482. retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_MAXBROWSECONTINUATIONPOINTS,
  483. &maxBrowseContinuationPoints, &UA_TYPES[UA_TYPES_UINT16]);
  484. /* ServerProfileArray */
  485. UA_String profileArray[4];
  486. UA_UInt16 profileArraySize = 0;
  487. #define ADDPROFILEARRAY(x) profileArray[profileArraySize++] = UA_STRING_ALLOC(x)
  488. ADDPROFILEARRAY("http://opcfoundation.org/UA-Profile/Server/NanoEmbeddedDevice");
  489. #ifdef UA_ENABLE_NODEMANAGEMENT
  490. ADDPROFILEARRAY("http://opcfoundation.org/UA-Profile/Server/NodeManagement");
  491. #endif
  492. #ifdef UA_ENABLE_METHODCALLS
  493. ADDPROFILEARRAY("http://opcfoundation.org/UA-Profile/Server/Methods");
  494. #endif
  495. #ifdef UA_ENABLE_SUBSCRIPTIONS
  496. ADDPROFILEARRAY("http://opcfoundation.org/UA-Profile/Server/EmbeddedDataChangeSubscription");
  497. #endif
  498. retVal |= writeNs0VariableArray(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_SERVERPROFILEARRAY,
  499. profileArray, profileArraySize, &UA_TYPES[UA_TYPES_STRING]);
  500. for (int i=0; i<profileArraySize; i++) {
  501. UA_String_deleteMembers(&profileArray[i]);
  502. }
  503. /* MaxQueryContinuationPoints */
  504. UA_UInt16 maxQueryContinuationPoints = 0;
  505. retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_MAXQUERYCONTINUATIONPOINTS,
  506. &maxQueryContinuationPoints, &UA_TYPES[UA_TYPES_UINT16]);
  507. /* MaxHistoryContinuationPoints */
  508. UA_UInt16 maxHistoryContinuationPoints = 0;
  509. retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_MAXHISTORYCONTINUATIONPOINTS,
  510. &maxHistoryContinuationPoints, &UA_TYPES[UA_TYPES_UINT16]);
  511. /* MinSupportedSampleRate */
  512. retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERCAPABILITIES_MINSUPPORTEDSAMPLERATE,
  513. &server->config.samplingIntervalLimits.min, &UA_TYPES[UA_TYPES_DURATION]);
  514. /* ServerDiagnostics - ServerDiagnosticsSummary */
  515. UA_ServerDiagnosticsSummaryDataType serverDiagnosticsSummary;
  516. UA_ServerDiagnosticsSummaryDataType_init(&serverDiagnosticsSummary);
  517. retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_SERVERDIAGNOSTICSSUMMARY,
  518. &serverDiagnosticsSummary,
  519. &UA_TYPES[UA_TYPES_SERVERDIAGNOSTICSSUMMARYDATATYPE]);
  520. /* ServerDiagnostics - EnabledFlag */
  521. UA_Boolean enabledFlag = false;
  522. retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERDIAGNOSTICS_ENABLEDFLAG,
  523. &enabledFlag, &UA_TYPES[UA_TYPES_BOOLEAN]);
  524. /* ServerStatus */
  525. UA_DataSource serverStatus = {readStatus, NULL};
  526. retVal |= UA_Server_setVariableNode_dataSource(server,
  527. UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS), serverStatus);
  528. /* StartTime will be sampled in UA_Server_run_startup()*/
  529. /* CurrentTime */
  530. UA_DataSource currentTime = {readCurrentTime, NULL};
  531. retVal |= UA_Server_setVariableNode_dataSource(server,
  532. UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVERSTATUS_CURRENTTIME), currentTime);
  533. /* State */
  534. UA_ServerState state = UA_SERVERSTATE_RUNNING;
  535. retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERSTATUS_STATE,
  536. &state, &UA_TYPES[UA_TYPES_SERVERSTATE]);
  537. /* BuildInfo */
  538. retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO,
  539. &server->config.buildInfo, &UA_TYPES[UA_TYPES_BUILDINFO]);
  540. /* BuildInfo - ProductUri */
  541. retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_PRODUCTURI,
  542. &server->config.buildInfo.productUri, &UA_TYPES[UA_TYPES_STRING]);
  543. /* BuildInfo - ManufacturerName */
  544. retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_MANUFACTURERNAME,
  545. &server->config.buildInfo.manufacturerName, &UA_TYPES[UA_TYPES_STRING]);
  546. /* BuildInfo - ProductName */
  547. retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_PRODUCTNAME,
  548. &server->config.buildInfo.productName, &UA_TYPES[UA_TYPES_STRING]);
  549. /* BuildInfo - SoftwareVersion */
  550. retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_SOFTWAREVERSION,
  551. &server->config.buildInfo.softwareVersion, &UA_TYPES[UA_TYPES_STRING]);
  552. /* BuildInfo - BuildNumber */
  553. retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_BUILDNUMBER,
  554. &server->config.buildInfo.buildNumber, &UA_TYPES[UA_TYPES_STRING]);
  555. /* BuildInfo - BuildDate */
  556. retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERSTATUS_BUILDINFO_BUILDDATE,
  557. &server->config.buildInfo.buildDate, &UA_TYPES[UA_TYPES_DATETIME]);
  558. /* SecondsTillShutdown */
  559. UA_UInt32 secondsTillShutdown = 0;
  560. retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERSTATUS_SECONDSTILLSHUTDOWN,
  561. &secondsTillShutdown, &UA_TYPES[UA_TYPES_UINT32]);
  562. /* ShutDownReason */
  563. UA_LocalizedText shutdownReason;
  564. UA_LocalizedText_init(&shutdownReason);
  565. retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERSTATUS_SHUTDOWNREASON,
  566. &shutdownReason, &UA_TYPES[UA_TYPES_LOCALIZEDTEXT]);
  567. /* ServiceLevel */
  568. UA_DataSource serviceLevel = {readServiceLevel, NULL};
  569. retVal |= UA_Server_setVariableNode_dataSource(server,
  570. UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_SERVICELEVEL), serviceLevel);
  571. /* Auditing */
  572. UA_DataSource auditing = {readAuditing, NULL};
  573. retVal |= UA_Server_setVariableNode_dataSource(server,
  574. UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_AUDITING), auditing);
  575. /* NamespaceArray */
  576. UA_DataSource nsarray_datasource = {readNamespaces, writeNamespaces};
  577. retVal |= UA_Server_setVariableNode_dataSource(server,
  578. UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_NAMESPACEARRAY), nsarray_datasource);
  579. /* Redundancy Support */
  580. UA_RedundancySupport redundancySupport = UA_REDUNDANCYSUPPORT_NONE;
  581. retVal |= writeNs0Variable(server, UA_NS0ID_SERVER_SERVERREDUNDANCY_REDUNDANCYSUPPORT,
  582. &redundancySupport, &UA_TYPES[UA_TYPES_REDUNDANCYSUPPORT]);
  583. #if defined(UA_ENABLE_METHODCALLS) && defined(UA_ENABLE_SUBSCRIPTIONS)
  584. retVal |= UA_Server_setMethodNode_callback(server,
  585. UA_NODEID_NUMERIC(0, UA_NS0ID_SERVER_GETMONITOREDITEMS), readMonitoredItems);
  586. #endif
  587. return retVal;
  588. }