From 4b9970bcd725972dbd845e07c34a8ef8409ec04c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= Date: Wed, 10 Oct 2018 11:54:50 +0200 Subject: Add ranch_tcp:recv_proxy_header/2 This uses the undocumented function gen_tcp:unrecv/2. Tests have been added for both gen_tcp and ssl connections, including sending data in the same first packet, at least for gen_tcp (ssl tests may or may not end up buffering some of the TLS handshake before the recv call, but there's no guarantees). --- test/proxy_protocol.erl | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 test/proxy_protocol.erl (limited to 'test/proxy_protocol.erl') diff --git a/test/proxy_protocol.erl b/test/proxy_protocol.erl new file mode 100644 index 0000000..3b18349 --- /dev/null +++ b/test/proxy_protocol.erl @@ -0,0 +1,25 @@ +-module(proxy_protocol). +-behaviour(ranch_protocol). + +-export([start_link/4]). +-export([init/3]). + +start_link(Ref, _Socket, Transport, Opts) -> + Pid = spawn_link(?MODULE, init, [Ref, Transport, Opts]), + {ok, Pid}. + +init(Ref, Transport, _Opts = []) -> + {ok, Socket} = ranch:handshake(Ref), + {ok, ProxyInfo} = Transport:recv_proxy_header(Socket, 1000), + Pid = ct_helper:get_remote_pid_tcp(Socket), + Pid ! {?MODULE, ProxyInfo}, + loop(Socket, Transport). + +loop(Socket, Transport) -> + case Transport:recv(Socket, 0, 5000) of + {ok, Data} -> + Transport:send(Socket, Data), + loop(Socket, Transport); + _ -> + ok = Transport:close(Socket) + end. -- cgit v1.2.3