From 39baed6c800fa9e756f7491063ead399a23083f4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Wed, 15 Nov 2017 14:58:49 +0100
Subject: Add preliminary support for trailers in responses

This depends on changes in Cowlib that are only available on
master.
---
 src/cowboy_req.erl | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/cowboy_req.erl')

diff --git a/src/cowboy_req.erl b/src/cowboy_req.erl
index 253564d..da3a0a4 100644
--- a/src/cowboy_req.erl
+++ b/src/cowboy_req.erl
@@ -81,6 +81,7 @@
 %% @todo stream_body/2 (nofin)
 -export([stream_body/3]).
 %% @todo stream_event/2,3
+-export([stream_trailers/2]).
 -export([push/3]).
 -export([push/4]).
 
@@ -774,6 +775,11 @@ stream_body(Data, IsFin, #{pid := Pid, streamid := StreamID, has_sent_resp := he
 	Pid ! {{Pid, StreamID}, {data, IsFin, Data}},
 	ok.
 
+-spec stream_trailers(cowboy:http_headers(), req()) -> ok.
+stream_trailers(Trailers, #{pid := Pid, streamid := StreamID, has_sent_resp := headers}) ->
+	Pid ! {{Pid, StreamID}, {trailers, Trailers}},
+	ok.
+
 -spec push(binary(), cowboy:http_headers(), req()) -> ok.
 push(Path, Headers, Req) ->
 	push(Path, Headers, Req, #{}).
-- 
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