$schema: http://json-schema.org/draft-04/schema#
description: Schema describing an OpenFlow hello message, version 1.3
id: of13/ofp_hello.json
type: object
required: [header]
properties:
  header:
    allOf:
      - $ref: definitions.json#/ofp_header
      - properties:
          type:
            enum: [OFPT_HELLO]
            default: OFPT_HELLO
  elements:
    description: Set of variable size hello elements
    type: array
    items:
      type: object
      required: [type, length]
      properties:
        type:
          type: string
          pattern: ^OFPHET_[A-Z0-9_]+$
        length:
          type: integer
          minimum: 4
          maximum: 65535
          default: 4
        bitmaps:
          type: array
          uniqueItems: true
          items:
            type: string
            pattern: '^[0-9](\.[0-9])+$'