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Code Issues Wiki Activity

Fix echo_post example

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This commit is contained in:
Loïc Hoguin 2016-06-08 23:35:02 +02:00
parent 1470f88319
commit 4ced1d0994
3 changed files with 31 additions and 9 deletions
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6
examples/echo_post/src/echo_post_app.erl
View file

@ -16,9 +16,9 @@ start(_Type, _Args) ->
{"/", toppage_handler, []}
]}
]),
{ok, _} = cowboy:start_http(http, 100, [{port, 8080}], [
{env, [{dispatch, Dispatch}]}
]),
{ok, _} = cowboy:start_clear(http, 100, [{port, 8080}], #{
env => #{dispatch => Dispatch}
}),
echo_post_sup:start_link().
stop(_State) ->

15
examples/echo_post/src/toppage_handler.erl
View file

@ -14,16 +14,19 @@ init(Req, Opts) ->
maybe_echo(<<"POST">>, true, Req) ->
{ok, PostVals, Req2} = cowboy_req:body_qs(Req),
Echo = proplists:get_value(<<"echo">>, PostVals),
echo(Echo, Req2);
echo(Echo, Req2),
Req2;
maybe_echo(<<"POST">>, false, Req) ->
cowboy_req:reply(400, [], <<"Missing body.">>, Req);
cowboy_req:reply(400, [], <<"Missing body.">>, Req),
Req;
maybe_echo(_, _, Req) ->
%% Method not allowed.
cowboy_req:reply(405, Req).
cowboy_req:reply(405, Req),
Req.
echo(undefined, Req) ->
cowboy_req:reply(400, [], <<"Missing echo parameter.">>, Req);
echo(Echo, Req) ->
cowboy_req:reply(200, [
{<<"content-type">>, <<"text/plain; charset=utf-8">>}
], Echo, Req).
cowboy_req:reply(200, #{
<<"content-type">> => <<"text/plain; charset=utf-8">>
}, Echo, Req).