/
object_type_node.go
124 lines (107 loc) · 3.54 KB
/
object_type_node.go
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// Copyright 2021 Converter Systems LLC. All rights reserved.
package server
import (
"sync"
"github.com/awcullen/opcua/ua"
)
// ObjectTypeNode ...
type ObjectTypeNode struct {
sync.RWMutex
server *Server
nodeID ua.NodeID
nodeClass ua.NodeClass
browseName ua.QualifiedName
displayName ua.LocalizedText
description ua.LocalizedText
rolePermissions []ua.RolePermissionType
accessRestrictions uint16
references []ua.Reference
isAbstract bool
}
var _ Node = (*ObjectTypeNode)(nil)
// NewObjectTypeNode ...
func NewObjectTypeNode(server *Server, nodeID ua.NodeID, browseName ua.QualifiedName, displayName ua.LocalizedText, description ua.LocalizedText, rolePermissions []ua.RolePermissionType, references []ua.Reference, isAbstract bool) *ObjectTypeNode {
return &ObjectTypeNode{
server: server,
nodeID: nodeID,
nodeClass: ua.NodeClassObjectType,
browseName: browseName,
displayName: displayName,
description: description,
rolePermissions: rolePermissions,
accessRestrictions: 0,
references: references,
isAbstract: isAbstract,
}
}
// NodeID returns the NodeID attribute of this node.
func (n *ObjectTypeNode) NodeID() ua.NodeID {
return n.nodeID
}
// NodeClass returns the NodeClass attribute of this node.
func (n *ObjectTypeNode) NodeClass() ua.NodeClass {
return n.nodeClass
}
// BrowseName returns the BrowseName attribute of this node.
func (n *ObjectTypeNode) BrowseName() ua.QualifiedName {
return n.browseName
}
// DisplayName returns the DisplayName attribute of this node.
func (n *ObjectTypeNode) DisplayName() ua.LocalizedText {
return n.displayName
}
// Description returns the Description attribute of this node.
func (n *ObjectTypeNode) Description() ua.LocalizedText {
return n.description
}
// RolePermissions returns the RolePermissions attribute of this node.
func (n *ObjectTypeNode) RolePermissions() []ua.RolePermissionType {
return n.rolePermissions
}
// UserRolePermissions returns the RolePermissions attribute of this node for the current user.
func (n *ObjectTypeNode) UserRolePermissions(userIdentity any) []ua.RolePermissionType {
filteredPermissions := []ua.RolePermissionType{}
roles, err := n.server.GetRoles(userIdentity, "", "")
if err != nil {
return filteredPermissions
}
rolePermissions := n.RolePermissions()
if rolePermissions == nil {
rolePermissions = n.server.RolePermissions()
}
for _, role := range roles {
for _, rp := range rolePermissions {
if rp.RoleID == role {
filteredPermissions = append(filteredPermissions, rp)
}
}
}
return filteredPermissions
}
// References returns the References of this node.
func (n *ObjectTypeNode) References() []ua.Reference {
n.RLock()
defer n.RUnlock()
return n.references
}
// SetReferences sets the References of the Variable.
func (n *ObjectTypeNode) SetReferences(value []ua.Reference) {
n.Lock()
defer n.Unlock()
n.references = value
}
// IsAbstract returns the IsAbstract attribute of this node.
func (n *ObjectTypeNode) IsAbstract() bool {
return n.isAbstract
}
// IsAttributeIDValid returns true if attributeId is supported for the node.
func (n *ObjectTypeNode) IsAttributeIDValid(attributeID uint32) bool {
switch attributeID {
case ua.AttributeIDNodeID, ua.AttributeIDNodeClass, ua.AttributeIDBrowseName,
ua.AttributeIDDisplayName, ua.AttributeIDDescription, ua.AttributeIDRolePermissions,
ua.AttributeIDUserRolePermissions, ua.AttributeIDIsAbstract:
return true
default:
return false
}
}