-
Notifications
You must be signed in to change notification settings - Fork 15
/
variable_type_node.go
149 lines (129 loc) · 4.36 KB
/
variable_type_node.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
package server
import (
"context"
"sync"
"github.com/awcullen/opcua/ua"
)
type VariableTypeNode struct {
sync.RWMutex
nodeId ua.NodeID
nodeClass ua.NodeClass
browseName ua.QualifiedName
displayName ua.LocalizedText
description ua.LocalizedText
rolePermissions []ua.RolePermissionType
accessRestrictions uint16
references []ua.Reference
value ua.DataValue
dataType ua.NodeID
valueRank int32
arrayDimensions []uint32
isAbstract bool
}
var _ Node = (*VariableTypeNode)(nil)
func NewVariableTypeNode(nodeId ua.NodeID, browseName ua.QualifiedName, displayName ua.LocalizedText, description ua.LocalizedText, rolePermissions []ua.RolePermissionType, references []ua.Reference, value ua.DataValue, dataType ua.NodeID, valueRank int32, arrayDimensions []uint32, isAbstract bool) *VariableTypeNode {
return &VariableTypeNode{
nodeId: nodeId,
nodeClass: ua.NodeClassVariableType,
browseName: browseName,
displayName: displayName,
description: description,
rolePermissions: rolePermissions,
accessRestrictions: 0,
references: references,
value: value,
dataType: dataType,
valueRank: valueRank,
arrayDimensions: arrayDimensions,
isAbstract: isAbstract,
}
}
// NodeID returns the NodeID attribute of this node.
func (n *VariableTypeNode) NodeID() ua.NodeID {
return n.nodeId
}
// NodeClass returns the NodeClass attribute of this node.
func (n *VariableTypeNode) NodeClass() ua.NodeClass {
return n.nodeClass
}
// BrowseName returns the BrowseName attribute of this node.
func (n *VariableTypeNode) BrowseName() ua.QualifiedName {
return n.browseName
}
// DisplayName returns the DisplayName attribute of this node.
func (n *VariableTypeNode) DisplayName() ua.LocalizedText {
return n.displayName
}
// Description returns the Description attribute of this node.
func (n *VariableTypeNode) Description() ua.LocalizedText {
return n.description
}
// RolePermissions returns the RolePermissions attribute of this node.
func (n *VariableTypeNode) RolePermissions() []ua.RolePermissionType {
return n.rolePermissions
}
// UserRolePermissions returns the RolePermissions attribute of this node for the current user.
func (n *VariableTypeNode) UserRolePermissions(ctx context.Context) []ua.RolePermissionType {
filteredPermissions := []ua.RolePermissionType{}
session, ok := ctx.Value(SessionKey).(*Session)
if !ok {
return filteredPermissions
}
roles := session.UserRoles()
rolePermissions := n.RolePermissions()
if rolePermissions == nil {
rolePermissions = session.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 *VariableTypeNode) References() []ua.Reference {
n.RLock()
defer n.RUnlock()
return n.references
}
// SetReferences sets the References of the Variable.
func (n *VariableTypeNode) SetReferences(value []ua.Reference) {
n.Lock()
defer n.Unlock()
n.references = value
}
// Value returns the value of the Variable.
func (n *VariableTypeNode) Value() ua.DataValue {
return n.value
}
// DataType returns the DataType attribute of this node.
func (n *VariableTypeNode) DataType() ua.NodeID {
return n.dataType
}
// ValueRank returns the ValueRank attribute of this node.
func (n *VariableTypeNode) ValueRank() int32 {
return n.valueRank
}
// ArrayDimensions returns the ArrayDimensions attribute of this node.
func (n *VariableTypeNode) ArrayDimensions() []uint32 {
return n.arrayDimensions
}
// IsAbstract returns the IsAbstract attribute of this node.
func (n *VariableTypeNode) IsAbstract() bool {
return n.isAbstract
}
// IsAttributeIDValid returns true if attributeId is supported for the node.
func (n *VariableTypeNode) IsAttributeIDValid(attributeId uint32) bool {
switch attributeId {
case ua.AttributeIDNodeID, ua.AttributeIDNodeClass, ua.AttributeIDBrowseName,
ua.AttributeIDDisplayName, ua.AttributeIDDescription, ua.AttributeIDRolePermissions,
ua.AttributeIDUserRolePermissions, ua.AttributeIDIsAbstract, ua.AttributeIDDataType,
ua.AttributeIDValueRank, ua.AttributeIDArrayDimensions:
return true
default:
return false
}
}