WIP - Add elixir GenServer

1 files changed, 29 insertions, 0 deletions

diff --git a/lib/powerdnsex/server_setup.ex b/lib/powerdnsex/server_setup.ex
new file mode 100644
index 0000000..3b5cb14
--- /dev/null
+++ b/lib/powerdnsex/server_setup.ex
@@ -0,0 +1,29 @@
+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