umgeher/cowboy
0
Fork 0
mirror of https://github.com/ninenines/cowboy.git synced 2025-07-14 12:20:24 +00:00
Code Issues Wiki Activity

Ensure we can stream the response body from any process

Browse source
This commit is contained in:
Loïc Hoguin 2019-10-02 20:30:32 +02:00
parent 20660d7566
commit eaa052616f
No known key found for this signature in database
GPG key ID: 8A9DF795F6FED764
4 changed files with 38 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/cowboy_req.erl
View file

@ -827,19 +827,19 @@ stream_body(_, _, #{method := <<"HEAD">>, has_sent_resp := headers}) ->
stream_body({sendfile, _, 0, _}, nofin, _) ->
ok;
stream_body({sendfile, _, 0, _}, IsFin=fin, Req=#{has_sent_resp := headers}) ->
stream_body({data, IsFin, <<>>}, Req);
stream_body({data, self(), IsFin, <<>>}, Req);
stream_body({sendfile, O, B, P}, IsFin, Req=#{has_sent_resp := headers})
when is_integer(O), O >= 0, is_integer(B), B > 0 ->
stream_body({data, IsFin, {sendfile, O, B, P}}, Req);
stream_body({data, self(), IsFin, {sendfile, O, B, P}}, Req);
stream_body(Data, IsFin=nofin, Req=#{has_sent_resp := headers})
when not is_tuple(Data) ->
case iolist_size(Data) of
0 -> ok;
_ -> stream_body({data, IsFin, Data}, Req)
_ -> stream_body({data, self(), IsFin, Data}, Req)
end;
stream_body(Data, IsFin, Req=#{has_sent_resp := headers})
when not is_tuple(Data) ->
stream_body({data, IsFin, Data}, Req).
stream_body({data, self(), IsFin, Data}, Req).
%% @todo Do we need a timeout?
stream_body(Msg, #{pid := Pid, streamid := StreamID}) ->
@ -850,7 +850,7 @@ stream_body(Msg, #{pid := Pid, streamid := StreamID}) ->
stream_events(Event, IsFin, Req) when is_map(Event) ->
stream_events([Event], IsFin, Req);
stream_events(Events, IsFin, Req=#{has_sent_resp := headers}) ->
stream_body({data, IsFin, cow_sse:events(Events)}, Req).
stream_body({data, self(), IsFin, cow_sse:events(Events)}, Req).
-spec stream_trailers(cowboy:http_headers(), req()) -> ok.
stream_trailers(Trailers, #{pid := Pid, streamid := StreamID, has_sent_resp := headers}) ->