defmodule Manager do
  use DynamicSupervisor

  def start_link(init_arg) do
    DynamicSupervisor.start_link(__MODULE__, init_arg, name: __MODULE__)
  end

  @impl true
  def init(_init_arg) do
    DynamicSupervisor.init(strategy: :one_for_one)
  end

  def create_broker(protocol, port, to_host, to_port) do
    spec = {Broker, {protocol, port, to_host, to_port}}
    DynamicSupervisor.start_child(__MODULE__, spec)
  end

  def list_brokers() do
    DynamicSupervisor.which_children(__MODULE__)
  end
end