Add stop/1 (#15)

Author: mickel8

README.md

@@ -27,7 +27,7 @@ as WebRTC multiplexes traffic on a single socket but PRs are welcomed
 ```elixir
 def deps do
   [
-    {:ex_ice, "~> 0.3.0"}
+    {:ex_ice, "~> 0.4.0"}
   ]
 end
 ```

lib/ice_agent.ex

@@ -217,6 +217,14 @@ defmodule ExICE.ICEAgent do
     GenServer.cast(ice_agent, :restart)
   end
 
+  @doc """
+  Stops ICE agent and all of its sockets.
+  """
+  @spec stop(pid()) :: :ok
+  def stop(ice_agent) do
+    GenServer.stop(ice_agent)
+  end
+
   ### Server
 
   @impl true
@@ -588,6 +596,12 @@ defmodule ExICE.ICEAgent do
     {:noreply, state}
   end
 
+  @impl true
+  def terminate(reason, _state) do
+    # we don't need to close sockets manually as this is done automatically by Erlang
+    Logger.debug("Stopping ICE agent with reason: #{inspect(reason)}")
+  end
+
   defp do_add_remote_candidate(remote_cand, state) do
     local_cands = get_matching_candidates(state.local_cands, remote_cand)
 

mix.exs

@@ -1,7 +1,7 @@
 defmodule ExICE.MixProject do
   use Mix.Project
 
-  @version "0.3.0"
+  @version "0.4.0"
   @source_url "https://github.com/elixir-webrtc/ex_ice"
 
   def project do