67 lines
2 KiB
Elixir
67 lines
2 KiB
Elixir
defmodule Openflow.GroupMod do
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defstruct(
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version: 4,
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xid: 0,
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datapath_id: "",
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aux_id: 0,
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command: :add,
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type: :all,
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group_id: 0,
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buckets: []
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)
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alias __MODULE__
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@type command :: :add | :delete | :modify
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@type type :: :add | :select | :indirect | :fast_failover
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@type id :: :max | :all | :any | 0..0xFFFFFFFF
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@type t :: %GroupMod{
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version: 4,
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datapath_id: String.t() | nil,
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aux_id: 0..0xF | nil,
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xid: 0..0xFFFFFFFF,
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command: command(),
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type: type(),
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group_id: id(),
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buckets: [Openflow.Bucket.t()]
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}
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@spec ofp_type() :: 15
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def ofp_type, do: 15
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@spec new(
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xid: 0..0xFFFFFFFF,
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command: command(),
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type: type(),
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group_id: id(),
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buckets: [Openflow.Bucket.t()]
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) :: t()
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def new(options \\ []) do
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%GroupMod{
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xid: options[:xid] || 0,
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command: options[:command] || :add,
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type: options[:type] || :all,
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group_id: options[:group_id] || 0,
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buckets: options[:buckets] || []
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}
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end
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@spec read(<<_::64, _::_*128>>) :: t()
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def read(<<command_int::16, type_int::8, _::8, group_id_int::32, buckets_bin::bytes>>) do
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command = Openflow.Utils.get_enum(command_int, :group_mod_command)
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type = Openflow.Utils.get_enum(type_int, :group_type)
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group_id = Openflow.Utils.get_enum(group_id_int, :group_id)
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buckets = Openflow.Bucket.read(buckets_bin)
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%GroupMod{command: command, type: type, group_id: group_id, buckets: buckets}
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end
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@spec to_binary(t()) :: <<_::64, _::_*128>>
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def to_binary(%GroupMod{command: command, type: type, group_id: group_id, buckets: buckets}) do
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command_int = Openflow.Utils.get_enum(command, :group_mod_command)
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type_int = Openflow.Utils.get_enum(type, :group_type)
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group_id_int = Openflow.Utils.get_enum(group_id, :group_id)
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buckets_bin = Openflow.Bucket.to_binary(buckets)
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<<command_int::16, type_int::8, 0::8, group_id_int::32, buckets_bin::bytes>>
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end
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end
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