-module(check_tcp_options). -behaviour(ranch_protocol). -export([start_link/3]). -export([init/3]). start_link(Ref, _, [{pid, TestPid}|TcpOptions]) -> Pid = spawn_link(?MODULE, init, [Ref, TestPid, TcpOptions]), {ok, Pid}. init(Ref, Pid, TcpOptions) -> {ok, Socket} = ranch:handshake(Ref), {ok, RealTcpOptions} = inet:getopts(Socket, [Key || {Key, _} <- TcpOptions]), true = TcpOptions =:= RealTcpOptions, Pid ! checked, receive after 2500 -> ok end.