-module(trap_exit_protocol). -behaviour(ranch_protocol). -export([start_link/3]). -export([init/3]). start_link(Ref, Transport, Opts) -> Pid = spawn_link(?MODULE, init, [Ref, Transport, Opts]), {ok, Pid}. init(Ref, Transport, _Opts = []) -> process_flag(trap_exit, true), {ok, Socket} = ranch:handshake(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.