concatdx4.out revision 1.1.1.1.8.2 1 {
2 # concat data expression
3 # empty configs are not accepted by Kea
4 "Dhcp4": {
5 "valid-lifetime": 1800,
6 "client-classes": [
7 # use substring in a reductible match
8 /// match: concat('domain=', suffix(option dhcp.host-name, 3))
9 {
10 "name": "reductible"
11 },
12 /// subclass selector 'domain=com'
13 {
14 "name": "sub#reductible#0",
15 /// from: match concat('domain=', suffix(option dhcp.host-name, 3))
16 /// data: 'domain=com'
17 "test": "concat('domain=', substring(option[12].hex,-3,all)) == 'domain=com'"
18 },
19 # reduce literals too
20 {
21 "name": "literal",
22 /// from: match if (option dhcp.host-name) = (concat('www.', concat('example.', 'com')))
23 "test": "option[12].hex == 'www.example.com'"
24 }
25 ],
26 "option-data": [
27 // # raw
28 // {
29 // "space": "dhcp4",
30 // "name": "host-name",
31 // "code": 12,
32 // "csv-format": false,
33 // "expression": {
34 // "concat": {
35 // "left": "www.",
36 // "right": {
37 // "option": {
38 // "universe": "dhcp",
39 // "name": "domain-name",
40 // "code": 15
41 // }
42 // }
43 // }
44 // }
45 // }
46 ]
47 }
48 }
49