Openflow parser

lib/openflow/port.ex

@@ -0,0 +1,47 @@
+defmodule Openflow.Port do
+  defstruct(
+    number: 0,
+    hw_addr: "000000000000",
+    name:    "",
+    config: [],
+    state:  [],
+    current_features:    [],
+    advertised_features: [],
+    supported_features:  [],
+    peer_features:       [],
+    current_speed: :"10mb_hd",
+    max_speed:     :"10mb_hd"
+  )
+
+  @ofp_max_port_name_len 16
+
+  alias __MODULE__
+
+  def read(<<port_no_int::32, _::size(4)-unit(8),
+             hw_addr_bin::6-bytes, _::size(2)-unit(8),
+             name_bin::size(@ofp_max_port_name_len)-bytes,
+             config_int::32, state_int::32, curr_int::32,
+             advertised_int::32, supp_int::32, peer_int::32,
+             curr_speed::32, max_speed::32>>) do
+    port_no = Openflow.Utils.get_enum(port_no_int, :openflow13_port_no)
+    hw_addr = Openflow.Utils.to_hex_string(hw_addr_bin)
+    name = Openflow.Utils.decode_string(name_bin)
+    config = Openflow.Enums.int_to_flags(config_int, :port_config)
+    state = Openflow.Enums.int_to_flags(state_int, :port_state)
+    curr = Openflow.Enums.int_to_flags(curr_int, :port_features)
+    adv = Openflow.Enums.int_to_flags(advertised_int, :port_features)
+    supp = Openflow.Enums.int_to_flags(supp_int, :port_features)
+    peer = Openflow.Enums.int_to_flags(peer_int, :port_features)
+    %Port{number: port_no,
+          hw_addr: hw_addr,
+          name: name,
+          config: config,
+          state: state,
+          current_features: curr,
+          advertised_features: adv,
+          supported_features: supp,
+          peer_features: peer,
+          current_speed: curr_speed,
+          max_speed: max_speed}
+  end
+end