void UA_Node_deleteAnyNodeClass(UA_Node *node) { switch(node->nodeClass) { case UA_NODECLASS_OBJECT: UA_ObjectNode_delete((UA_ObjectNode*)node); break; case UA_NODECLASS_VARIABLE: UA_VariableNode_delete((UA_VariableNode*)node); break; case UA_NODECLASS_METHOD: UA_MethodNode_delete((UA_MethodNode*)node); break; case UA_NODECLASS_OBJECTTYPE: UA_ObjectTypeNode_delete((UA_ObjectTypeNode*)node); break; case UA_NODECLASS_VARIABLETYPE: UA_VariableTypeNode_delete((UA_VariableTypeNode*)node); break; case UA_NODECLASS_REFERENCETYPE: UA_ReferenceTypeNode_delete((UA_ReferenceTypeNode*)node); break; case UA_NODECLASS_DATATYPE: UA_DataTypeNode_delete((UA_DataTypeNode*)node); break; case UA_NODECLASS_VIEW: UA_ViewNode_delete((UA_ViewNode*)node); break; default: break; } }
static UA_StatusCode writeValue(UA_Server *server, UA_WriteValue *wvalue) { UA_StatusCode retval = UA_STATUSCODE_GOOD; /* is there a value at all */ if(!wvalue->value.hasValue) return UA_STATUSCODE_BADTYPEMISMATCH; // we might repeat writing, e.g. when the node got replaced mid-work UA_Boolean done = UA_FALSE; while(!done) { const UA_Node *node = UA_NodeStore_get(server->nodestore, &wvalue->nodeId); if(!node) return UA_STATUSCODE_BADNODEIDUNKNOWN; switch(wvalue->attributeId) { case UA_ATTRIBUTEID_NODEID: case UA_ATTRIBUTEID_NODECLASS: case UA_ATTRIBUTEID_BROWSENAME: case UA_ATTRIBUTEID_DISPLAYNAME: case UA_ATTRIBUTEID_DESCRIPTION: case UA_ATTRIBUTEID_WRITEMASK: case UA_ATTRIBUTEID_USERWRITEMASK: case UA_ATTRIBUTEID_ISABSTRACT: case UA_ATTRIBUTEID_SYMMETRIC: case UA_ATTRIBUTEID_INVERSENAME: case UA_ATTRIBUTEID_CONTAINSNOLOOPS: case UA_ATTRIBUTEID_EVENTNOTIFIER: retval = UA_STATUSCODE_BADWRITENOTSUPPORTED; break; case UA_ATTRIBUTEID_VALUE: { if(node->nodeClass != UA_NODECLASS_VARIABLE && node->nodeClass != UA_NODECLASS_VARIABLETYPE) { retval = UA_STATUSCODE_BADTYPEMISMATCH; break; } /* parse the range */ UA_Boolean hasRange = UA_FALSE; UA_NumericRange range; if(wvalue->indexRange.length > 0) { retval = parse_numericrange(wvalue->indexRange, &range); if(retval != UA_STATUSCODE_GOOD) break; hasRange = UA_TRUE; } /* the relevant members are similar for variables and variabletypes */ const UA_VariableNode *vn = (const UA_VariableNode*)node; if(vn->valueSource == UA_VALUESOURCE_DATASOURCE) { if(!vn->value.dataSource.write) { retval = UA_STATUSCODE_BADWRITENOTSUPPORTED; break; } // todo: writing ranges retval = vn->value.dataSource.write(vn->value.dataSource.handle, &wvalue->value.value); done = UA_TRUE; break; } const UA_Variant *oldV = &vn->value.variant; /* the nodeid on the wire may be != the nodeid in the node: opaque types, enums and bytestrings */ if(!UA_NodeId_equal(&oldV->type->typeId, &wvalue->value.value.type->typeId)) { if(oldV->type->namespaceZero && wvalue->value.value.type->namespaceZero && oldV->type->typeIndex == wvalue->value.value.type->typeIndex) /* An enum was sent as an int32, or an opaque type as a bytestring. This is detected with the typeIndex indicated the "true" datatype. */ wvalue->value.value.type = oldV->type; else if(oldV->type == &UA_TYPES[UA_TYPES_BYTE] && (!oldV->data || vn->value.variant.arrayLength > -1) /* isArray */ && wvalue->value.value.type == &UA_TYPES[UA_TYPES_BYTESTRING] && wvalue->value.value.data && wvalue->value.value.arrayLength == -1 /* isScalar */) { /* a string is written to a byte array */ UA_ByteString *str = (UA_ByteString*) wvalue->value.value.data; wvalue->value.value.arrayLength = str->length; wvalue->value.value.data = str->data; wvalue->value.value.type = &UA_TYPES[UA_TYPES_BYTE]; UA_free(str); } else { retval = UA_STATUSCODE_BADTYPEMISMATCH; break; } } /* copy the node */ UA_VariableNode *newVn = (node->nodeClass == UA_NODECLASS_VARIABLE) ? UA_VariableNode_new() : (UA_VariableNode*)UA_VariableTypeNode_new(); if(!newVn) { retval = UA_STATUSCODE_BADOUTOFMEMORY; break; } retval = (node->nodeClass == UA_NODECLASS_VARIABLE) ? UA_VariableNode_copy(vn, newVn) : UA_VariableTypeNode_copy((const UA_VariableTypeNode*)vn, (UA_VariableTypeNode*)newVn); if(retval != UA_STATUSCODE_GOOD) goto clean_up; /* insert the new value*/ if(hasRange) retval = UA_Variant_setRange(&newVn->value.variant, wvalue->value.value.data, range); else { UA_Variant_deleteMembers(&newVn->value.variant); retval = UA_Variant_copy(&wvalue->value.value, &newVn->value.variant); } if(retval != UA_STATUSCODE_GOOD || UA_NodeStore_replace(server->nodestore, node, (UA_Node*)newVn, UA_NULL) != UA_STATUSCODE_GOOD) goto clean_up; if(hasRange) UA_free(range.dimensions); done = UA_TRUE; break; clean_up: if(node->nodeClass == UA_NODECLASS_VARIABLE) UA_VariableNode_delete(newVn); else UA_VariableTypeNode_delete((UA_VariableTypeNode*)newVn); if(hasRange) UA_free(range.dimensions); } break; case UA_ATTRIBUTEID_DATATYPE: case UA_ATTRIBUTEID_VALUERANK: case UA_ATTRIBUTEID_ARRAYDIMENSIONS: case UA_ATTRIBUTEID_ACCESSLEVEL: case UA_ATTRIBUTEID_USERACCESSLEVEL: case UA_ATTRIBUTEID_MINIMUMSAMPLINGINTERVAL: case UA_ATTRIBUTEID_HISTORIZING: case UA_ATTRIBUTEID_EXECUTABLE: case UA_ATTRIBUTEID_USEREXECUTABLE: retval = UA_STATUSCODE_BADWRITENOTSUPPORTED; break; default: retval = UA_STATUSCODE_BADATTRIBUTEIDINVALID; break; } UA_NodeStore_release(node); if(retval != UA_STATUSCODE_GOOD) break; } return retval; }