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defmodule PowerDNSex.ServerSetup do
defmacro __using__(opts \\ []) do
quote bind_quoted: [opts: opts] do
use Application
@name opts[:process_name] || :PowerDNSex
@config opts[:config]
@spec start(term, term) :: GenServer.on_start
def start(_, _), do: start
@spec start() :: GenServer.on_start
@doc false
def start do
import Supervisor.Spec
children = [worker(Server, [@name, @config])]
options = [strategy: :one_for_one, name: :"#{@name}.Supervisor"]
case Supervisor.start_link(children, options) do
{:ok, pid} -> {:ok, pid}
{:error, {:already_started, pid}} -> {:ok, pid}
other -> other
end
end
end
end
end
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