-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.