Gracefully shutdown when stop_listener/1 is called

Implements the `shutdown` option as documented previously.

1 files changed, 23 insertions, 0 deletions

diff --git a/test/trap_exit_protocol.erl b/test/trap_exit_protocol.erl
new file mode 100644
index 0000000..a0c4329
--- /dev/null
+++ b/test/trap_exit_protocol.erl
@@ -0,0 +1,23 @@
+-module(trap_exit_protocol).
+-behaviour(ranch_protocol).
+
+-export([start_link/4]).
+-export([init/4]).
+
+start_link(Ref, Socket, Transport, Opts) ->
+	Pid = spawn_link(?MODULE, init, [Ref, Socket, Transport, Opts]),
+	{ok, Pid}.
+
+init(Ref, Socket, Transport, _Opts = []) ->
+	process_flag(trap_exit, true),
+	ok = ranch:accept_ack(Ref),
+	loop(Socket, Transport).
+
+loop(Socket, Transport) ->
+	case Transport:recv(Socket, 0, infinity) of
+		{ok, Data} ->
+			Transport:send(Socket, Data),
+			loop(Socket, Transport);
+		_ ->
+			ok = Transport:close(Socket)
+	end.