70 lines
1.6 KiB
Elixir
70 lines
1.6 KiB
Elixir
defmodule Openflow.Features.Reply 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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n_buffers: 0,
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n_tables: 0,
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aux_id: 0,
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capabilities: []
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)
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alias __MODULE__
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@type t :: %Reply{
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version: 4,
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xid: 0..0xFFFFFFFF,
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datapath_id: String.t() | nil,
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n_buffers: 0..0xFFFFFFFF,
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n_tables: 0..0xFF,
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aux_id: 0..0xFF,
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capabilities: [
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:flow_stats
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| :table_stats
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| :port_stats
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| :group_stats
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| :ip_reasm
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| :queue_stats
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| :arp_match_ip
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| :port_blocked
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]
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}
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@spec ofp_type :: 6
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def ofp_type, do: 6
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@spec read(<<_::192>>) :: t()
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def read(<<
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datapath_id::64-bits,
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n_buf::32,
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n_tab::8,
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aux_id::8,
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_pad::16,
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caps_int::32,
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_rsv::32
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>>) do
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dpid = Openflow.Utils.to_hex_string(datapath_id)
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flags = Openflow.Enums.int_to_flags(caps_int, :switch_capabilities)
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%Reply{
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datapath_id: dpid,
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n_buffers: n_buf,
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n_tables: n_tab,
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aux_id: aux_id,
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capabilities: flags
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}
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end
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@spec to_binary(t()) :: <<_::192>>
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def to_binary(%Reply{
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datapath_id: datapath_id,
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n_buffers: n_buf,
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n_tables: n_tab,
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aux_id: aux_id,
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capabilities: flags
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}) do
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dpid_int = String.to_integer(datapath_id, 16)
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flags_int = Openflow.Enums.flags_to_int(flags, :switch_capabilities)
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<<dpid_int::64, n_buf::32, n_tab::8, aux_id::8, 0::16, flags_int::32, 0::32>>
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end
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end
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