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%% Feel free to use, reuse and abuse the code in this file.
-module(http_stream_body).
-export([init/2]).
init(Req, Opts) ->
Body = proplists:get_value(body, Opts, "http_handler_stream_body"),
Reply = proplists:get_value(reply, Opts),
SFun = fun () ->
cowboy_req:send_body(Body, nofin, Req)
end,
Req2 = case Reply of
set_resp ->
SLen = iolist_size(Body),
cowboy_req:set_resp_body({stream, SLen, SFun}, Req);
%% @todo Hmm that one will be sent as chunked now.
%% We need an option to disable chunked.
set_resp_close ->
cowboy_req:set_resp_body({stream, undefined, SFun}, Req);
set_resp_chunked ->
%% Here Body should be a list of chunks, not a binary.
SFun2 = fun () ->
lists:foreach(fun (Data) -> cowboy_req:send_body(Data, nofin, Req) end, Body)
end,
cowboy_req:set_resp_body({stream, undefined, SFun2}, Req)
end,
{ok, cowboy_req:reply(200, Req2), Opts}.
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