Formatted
This commit is contained in:
Eishun Kondoh
parent
5fc01a9bec
commit
7635272fbd
150 changed files with 5055 additions and 4032 deletions
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@ -1,10 +1,10 @@
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defmodule Openflow.Action.NxController2 do
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defstruct(
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max_len: :no_buffer,
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id: 0,
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reason: :action,
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max_len: :no_buffer,
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id: 0,
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reason: :action,
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userdata: "",
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pause: false
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pause: false
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)
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@experimenter 0x00002320
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@ -12,20 +12,22 @@ defmodule Openflow.Action.NxController2 do
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@prop_header_size 4
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@prop_max_len 0
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@prop_ctl_id 1
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@prop_reason 2
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@prop_max_len 0
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@prop_ctl_id 1
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@prop_reason 2
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@prop_userdata 3
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@prop_pause 4
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@prop_pause 4
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alias __MODULE__
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def new(options) do
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%NxController2{max_len: options[:max_len] || :no_buffer,
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id: options[:id] || 0,
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reason: options[:reason] || :action,
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userdata: options[:userdata],
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pause: options[:pause] || false}
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%NxController2{
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max_len: options[:max_len] || :no_buffer,
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id: options[:id] || 0,
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reason: options[:reason] || :action,
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userdata: options[:userdata],
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pause: options[:pause] || false
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}
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end
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def to_binary(%NxController2{} = ctl) do
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@ -33,10 +35,10 @@ defmodule Openflow.Action.NxController2 do
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prop_keys = get_prop_key(ctl)
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props_bin = encode_prop("", prop_keys, ctl)
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exp_body = <<ext_header::bytes, props_bin::bytes>>
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exp_body_size = byte_size(exp_body)
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exp_body_size = byte_size(exp_body)
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padding_length = Openflow.Utils.padding(4 + exp_body_size, 8)
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length = 4 + exp_body_size + padding_length
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<<0xffff::16, length::16, exp_body::bytes>>
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<<0xFFFF::16, length::16, exp_body::bytes>>
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end
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def read(<<@experimenter::32, @nxast::16, 0::size(6)-unit(8), body::bytes>>) do
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@ -48,64 +50,88 @@ defmodule Openflow.Action.NxController2 do
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defp get_prop_key(ctl) do
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ctl
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|> Map.from_struct
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|> Enum.map(fn({k, v}) -> if(not is_nil(v), do: k, else: nil) end)
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|> Enum.filter(fn(v) -> not is_nil(v) end)
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|> Map.from_struct()
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|> Enum.map(fn {k, v} -> if(not is_nil(v), do: k, else: nil) end)
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|> Enum.filter(fn v -> not is_nil(v) end)
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end
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defp encode_prop(acc, [], _ctl), do: acc
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defp encode_prop(acc, [prop|rest], ctl) do
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defp encode_prop(acc, [prop | rest], ctl) do
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value = Map.get(ctl, prop)
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prop_bin = cond do
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prop == :max_len and (value != :no_buffer or value < 0xffff) ->
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padding_length = 2
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prop_length = @prop_header_size + 2 + padding_length
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max_len_int = Openflow.Utils.get_enum(value, :controller_max_len)
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<<@prop_max_len::16, prop_length::16, max_len_int::16, 0::size(padding_length)-unit(8)>>
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prop == :id ->
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padding_length = 2
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prop_length = @prop_header_size + 2 + padding_length
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<<@prop_ctl_id::16, prop_length::16, value::16, 0::size(padding_length)-unit(8)>>
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prop == :reason and value != :action ->
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padding_length = 3
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prop_length = @prop_header_size + 1 + padding_length
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reason_int = Openflow.Utils.get_enum(value, :packet_in_reason)
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<<@prop_reason::16, prop_length::16, reason_int::8, 0::size(padding_length)-unit(8)>>
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prop == :userdata and byte_size(value) > 0 ->
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prop_length = @prop_header_size + byte_size(value)
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padding_length = Openflow.Utils.padding(prop_length, 8)
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<<@prop_userdata::16, prop_length::16, value::bytes, 0::size(padding_length)-unit(8)>>
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prop == :pause and value == true ->
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padding_length = 4
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prop_length = @prop_header_size + padding_length
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<<@prop_pause::16, prop_length::16, 0::size(padding_length)-unit(8)>>
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true ->
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""
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end
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prop_bin =
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cond do
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prop == :max_len and (value != :no_buffer or value < 0xFFFF) ->
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padding_length = 2
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prop_length = @prop_header_size + 2 + padding_length
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max_len_int = Openflow.Utils.get_enum(value, :controller_max_len)
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<<@prop_max_len::16, prop_length::16, max_len_int::16, 0::size(padding_length)-unit(8)>>
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prop == :id ->
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padding_length = 2
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prop_length = @prop_header_size + 2 + padding_length
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<<@prop_ctl_id::16, prop_length::16, value::16, 0::size(padding_length)-unit(8)>>
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prop == :reason and value != :action ->
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padding_length = 3
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prop_length = @prop_header_size + 1 + padding_length
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reason_int = Openflow.Utils.get_enum(value, :packet_in_reason)
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<<@prop_reason::16, prop_length::16, reason_int::8, 0::size(padding_length)-unit(8)>>
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prop == :userdata and byte_size(value) > 0 ->
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prop_length = @prop_header_size + byte_size(value)
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padding_length = Openflow.Utils.padding(prop_length, 8)
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<<@prop_userdata::16, prop_length::16, value::bytes, 0::size(padding_length)-unit(8)>>
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prop == :pause and value == true ->
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padding_length = 4
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prop_length = @prop_header_size + padding_length
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<<@prop_pause::16, prop_length::16, 0::size(padding_length)-unit(8)>>
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true ->
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""
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end
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encode_prop(<<acc::bytes, prop_bin::bytes>>, rest, ctl)
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end
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defp decode_prop(ctl, ""), do: ctl
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defp decode_prop(ctl, <<prop_type_int::16, _::bytes>> = bin) do
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prop_type = Openflow.Enums.to_atom(prop_type_int, :nx_action_controller2_prop_type)
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case prop_type do
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:max_len ->
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<<@prop_max_len::16, _prop_length::16, max_len_int::16, _::size(2)-unit(8), rest::bytes>> = bin
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<<@prop_max_len::16, _prop_length::16, max_len_int::16, _::size(2)-unit(8), rest::bytes>> =
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bin
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max_len = Openflow.Utils.get_enum(max_len_int, :controller_max_len)
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decode_prop(struct(ctl, %{max_len: max_len}), rest)
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:controller_id ->
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<<@prop_ctl_id::16, _prop_length::16, controller_id::16, _::size(2)-unit(8), rest::bytes>> = bin
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<<@prop_ctl_id::16, _prop_length::16, controller_id::16, _::size(2)-unit(8), rest::bytes>> =
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bin
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decode_prop(struct(ctl, %{controller_id: controller_id}), rest)
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:reason ->
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<<@prop_reason::16, _prop_length::16, reason_int::8, _::size(3)-unit(8), rest::bytes>> = bin
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<<@prop_reason::16, _prop_length::16, reason_int::8, _::size(3)-unit(8), rest::bytes>> =
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bin
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reason = Openflow.Utils.get_enum(reason_int, :packet_in_reason)
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decode_prop(struct(ctl, %{reason: reason}), rest)
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:userdata ->
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<<@prop_userdata::16, prop_length::16, remains::bytes>> = bin
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userdata_len = prop_length - 4
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padding_length = Openflow.Utils.padding(prop_length, 8)
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<<userdata::size(userdata_len)-bytes, _::size(padding_length)-unit(8), rest::bytes>> = remains
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<<userdata::size(userdata_len)-bytes, _::size(padding_length)-unit(8), rest::bytes>> =
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remains
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decode_prop(struct(ctl, %{userdata: userdata}), rest)
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:pause ->
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<<@prop_pause::16, _::16, 0::size(4)-unit(8), rest::bytes>> = bin
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decode_prop(struct(ctl, %{pause: true}), rest)
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