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tres/secure_channel: Improved HELLO handler

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This commit is contained in:
Eishun Kondoh 2018-06-01 12:22:48 +09:00
parent 45768a6625
commit dbfadf5cf1
3 changed files with 5 additions and 4 deletions
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BIN
bin/enum_gen
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5
lib/openflow/hello.ex
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@ -23,8 +23,9 @@ defmodule Openflow.Hello do
def supported_version?(%Hello{elements: []}), do: false
def supported_version?(%Hello{elements: elements}) do
versionbitmaps = for {:versionbitmap, versions} <- elements, do: versions
Enum.any?(versionbitmaps, fn versions -> 4 in versions end)
elements
|> Enum.reduce([], fn({:versionbitmap, versions}, acc) -> acc ++ versions end)
|> Enum.any?(fn(version) -> version == 4 end)
end
def read(binary), do: %Hello{elements: decode([], binary)}

4
lib/tres/secure_channel.ex
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@ -16,7 +16,7 @@ defmodule Tres.SecureChannel do
@supported_version 4
@hello_handshake_timeout 1000
@hello_handshake_timeout 3000
@features_handshake_timeout 1000
@ping_timeout 5000
# @transaction_timeout 5000
@ -402,10 +402,10 @@ defmodule Tres.SecureChannel do
end
defp handle_hello_handshake_1(hello, state_data) do
maybe_cancel_timer(state_data.timer_ref)
State.set_transaction_id(state_data.xid, hello.xid)
if Openflow.Hello.supported_version?(hello) do
:ok = maybe_cancel_timer(state_data.timer_ref)
{:next_state, :CONNECTING, %{state_data | timer_ref: nil}}
else
close_connection(:failed_version_negotiation, state_data)