nodestoreAccessExample.c 9.0 KB

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  1. /*
  2. * nodestoreAccessExample.c
  3. *
  4. * Created on: Oct 16, 2014
  5. * Author: opcua
  6. */
  7. #include "ua_statuscodes.h"
  8. #include "ua_namespace_0.h"
  9. #include "ua_util.h"
  10. #include "nodestoreAccessExample.h"
  11. enum UA_AttributeId {
  12. UA_ATTRIBUTEID_NODEID = 1,
  13. UA_ATTRIBUTEID_NODECLASS = 2,
  14. UA_ATTRIBUTEID_BROWSENAME = 3,
  15. UA_ATTRIBUTEID_DISPLAYNAME = 4,
  16. UA_ATTRIBUTEID_DESCRIPTION = 5,
  17. UA_ATTRIBUTEID_WRITEMASK = 6,
  18. UA_ATTRIBUTEID_USERWRITEMASK = 7,
  19. UA_ATTRIBUTEID_ISABSTRACT = 8,
  20. UA_ATTRIBUTEID_SYMMETRIC = 9,
  21. UA_ATTRIBUTEID_INVERSENAME = 10,
  22. UA_ATTRIBUTEID_CONTAINSNOLOOPS = 11,
  23. UA_ATTRIBUTEID_EVENTNOTIFIER = 12,
  24. UA_ATTRIBUTEID_VALUE = 13,
  25. UA_ATTRIBUTEID_DATATYPE = 14,
  26. UA_ATTRIBUTEID_VALUERANK = 15,
  27. UA_ATTRIBUTEID_ARRAYDIMENSIONS = 16,
  28. UA_ATTRIBUTEID_ACCESSLEVEL = 17,
  29. UA_ATTRIBUTEID_USERACCESSLEVEL = 18,
  30. UA_ATTRIBUTEID_MINIMUMSAMPLINGINTERVAL = 19,
  31. UA_ATTRIBUTEID_HISTORIZING = 20,
  32. UA_ATTRIBUTEID_EXECUTABLE = 21,
  33. UA_ATTRIBUTEID_USEREXECUTABLE = 22
  34. };
  35. #define CHECK_NODECLASS(CLASS) \
  36. if(!(node->nodeClass & (CLASS))) { \
  37. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_STATUSCODE; \
  38. v[readValueIdIndices[i]].status = UA_STATUSCODE_BADNOTREADABLE; \
  39. break; \
  40. } \
  41. UA_Int32 readNodes(UA_ReadValueId * readValueIds, UA_UInt32 *readValueIdIndices, UA_UInt32 readValueIdsSize, UA_DataValue *v, UA_Boolean timeStampToReturn, UA_DiagnosticInfo *diagnosticInfo)
  42. {
  43. UA_ReadValueId *id;
  44. UA_Int32 retval = UA_SUCCESS;
  45. for(UA_UInt32 i = 0; i<readValueIdsSize; i++){
  46. id = &readValueIds[readValueIdIndices[i]];
  47. UA_DataValue_init(&v[readValueIdIndices[i]]);
  48. UA_Node const *node = UA_NULL;
  49. /*Access Node here */
  50. /* */
  51. switch(id->attributeId) {
  52. case UA_ATTRIBUTEID_NODEID:
  53. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  54. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_NODEID], &node->nodeId);
  55. break;
  56. case UA_ATTRIBUTEID_NODECLASS:
  57. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  58. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_INT32], &node->nodeClass);
  59. break;
  60. case UA_ATTRIBUTEID_BROWSENAME:
  61. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  62. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_QUALIFIEDNAME], &node->browseName);
  63. break;
  64. case UA_ATTRIBUTEID_DISPLAYNAME:
  65. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  66. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_LOCALIZEDTEXT],
  67. &node->displayName);
  68. break;
  69. case UA_ATTRIBUTEID_DESCRIPTION:
  70. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  71. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_LOCALIZEDTEXT],
  72. &node->description);
  73. break;
  74. case UA_ATTRIBUTEID_WRITEMASK:
  75. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  76. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_UINT32], &node->writeMask);
  77. break;
  78. case UA_ATTRIBUTEID_USERWRITEMASK:
  79. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  80. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_UINT32], &node->userWriteMask);
  81. break;
  82. case UA_ATTRIBUTEID_ISABSTRACT:
  83. CHECK_NODECLASS(
  84. UA_NODECLASS_REFERENCETYPE | UA_NODECLASS_OBJECTTYPE | UA_NODECLASS_VARIABLETYPE |
  85. UA_NODECLASS_DATATYPE);
  86. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  87. retval |=
  88. UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_BOOLEAN],
  89. &((UA_ReferenceTypeNode *)node)->isAbstract);
  90. break;
  91. case UA_ATTRIBUTEID_SYMMETRIC:
  92. CHECK_NODECLASS(UA_NODECLASS_REFERENCETYPE);
  93. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  94. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_BOOLEAN],
  95. &((UA_ReferenceTypeNode *)node)->symmetric);
  96. break;
  97. case UA_ATTRIBUTEID_INVERSENAME:
  98. CHECK_NODECLASS(UA_NODECLASS_REFERENCETYPE);
  99. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  100. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_LOCALIZEDTEXT],
  101. &((UA_ReferenceTypeNode *)node)->inverseName);
  102. break;
  103. case UA_ATTRIBUTEID_CONTAINSNOLOOPS:
  104. CHECK_NODECLASS(UA_NODECLASS_VIEW);
  105. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  106. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_BOOLEAN],
  107. &((UA_ViewNode *)node)->containsNoLoops);
  108. break;
  109. case UA_ATTRIBUTEID_EVENTNOTIFIER:
  110. CHECK_NODECLASS(UA_NODECLASS_VIEW | UA_NODECLASS_OBJECT);
  111. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  112. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_BYTE],
  113. &((UA_ViewNode *)node)->eventNotifier);
  114. break;
  115. case UA_ATTRIBUTEID_VALUE:
  116. CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
  117. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  118. retval |= UA_Variant_copy(&((UA_VariableNode *)node)->value, &v[readValueIdIndices[i]].value); // todo: zero-copy
  119. break;
  120. case UA_ATTRIBUTEID_DATATYPE:
  121. CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
  122. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  123. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_NODEID],
  124. &((UA_VariableTypeNode *)node)->dataType);
  125. break;
  126. case UA_ATTRIBUTEID_VALUERANK:
  127. CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
  128. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  129. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_INT32],
  130. &((UA_VariableTypeNode *)node)->valueRank);
  131. break;
  132. case UA_ATTRIBUTEID_ARRAYDIMENSIONS:
  133. CHECK_NODECLASS(UA_NODECLASS_VARIABLE | UA_NODECLASS_VARIABLETYPE);
  134. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  135. UA_Variant_copySetArray(&v[readValueIdIndices[i]].value, &UA_[UA_UINT32],
  136. ((UA_VariableTypeNode *)node)->arrayDimensionsSize,
  137. &((UA_VariableTypeNode *)node)->arrayDimensions);
  138. break;
  139. case UA_ATTRIBUTEID_ACCESSLEVEL:
  140. CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
  141. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  142. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_BYTE],
  143. &((UA_VariableNode *)node)->accessLevel);
  144. break;
  145. case UA_ATTRIBUTEID_USERACCESSLEVEL:
  146. CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
  147. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  148. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_BYTE],
  149. &((UA_VariableNode *)node)->userAccessLevel);
  150. break;
  151. case UA_ATTRIBUTEID_MINIMUMSAMPLINGINTERVAL:
  152. CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
  153. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  154. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_DOUBLE],
  155. &((UA_VariableNode *)node)->minimumSamplingInterval);
  156. break;
  157. case UA_ATTRIBUTEID_HISTORIZING:
  158. CHECK_NODECLASS(UA_NODECLASS_VARIABLE);
  159. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  160. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_BOOLEAN],
  161. &((UA_VariableNode *)node)->historizing);
  162. break;
  163. case UA_ATTRIBUTEID_EXECUTABLE:
  164. CHECK_NODECLASS(UA_NODECLASS_METHOD);
  165. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  166. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_BOOLEAN],
  167. &((UA_MethodNode *)node)->executable);
  168. break;
  169. case UA_ATTRIBUTEID_USEREXECUTABLE:
  170. CHECK_NODECLASS(UA_NODECLASS_METHOD);
  171. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_VARIANT;
  172. retval |= UA_Variant_copySetValue(&v[readValueIdIndices[i]].value, &UA_[UA_BOOLEAN],
  173. &((UA_MethodNode *)node)->userExecutable);
  174. break;
  175. default:
  176. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_STATUSCODE;
  177. v[readValueIdIndices[i]].status = UA_STATUSCODE_BADATTRIBUTEIDINVALID;
  178. break;
  179. }
  180. if(retval != UA_SUCCESS) {
  181. v[readValueIdIndices[i]].encodingMask = UA_DATAVALUE_ENCODINGMASK_STATUSCODE;
  182. v[readValueIdIndices[i]].status = UA_STATUSCODE_BADNOTREADABLE;
  183. }
  184. }
  185. return retval;
  186. }