mirror of
https://github.com/ninenines/cowboy.git
synced 2025-07-15 04:30:25 +00:00
30 lines
739 B
Erlang
30 lines
739 B
Erlang
|
%% Feel free to use, reuse and abuse the code in this file.
|
||
|
|
|
||
|
|
%% @doc GET echo handler.
|
||
|
|
-module(toppage_handler).
|
||
|
|
|
||
|
|
-export([init/3]).
|
||
|
|
-export([handle/2]).
|
||
|
|
-export([terminate/2]).
|
||
|
|
|
||
|
|
init(_Transport, Req, []) ->
|
||
|
|
{ok, Req, undefined}.
|
||
|
|
|
||
|
|
handle(Req, State) ->
|
||
|
|
{Method, Req2} = cowboy_http_req:method(Req),
|
||
|
|
{Echo, Req3} = cowboy_http_req:qs_val(<<"echo">>, Req2),
|
||
|
|
{ok, Req4} = echo(Method, Echo, Req3),
|
||
|
|
{ok, Req4, State}.
|
||
|
|
|
||
|
|
echo('GET', undefined, Req) ->
|
||
|
|
cowboy_http_req:reply(400, [], <<"Missing echo parameter.">>, Req);
|
||
|
|
echo('GET', Echo, Req) ->
|
||
|
|
cowboy_http_req:reply(200,
|
||
|
|
[{<<"Content-Encoding">>, <<"utf-8">>}], Echo, Req);
|
||
|
|
echo(_, _, Req) ->
|
||
|
|
%% Method not allowed.
|
||
|
|
cowboy_http_req:reply(405, Req).
|
||
|
|
|
||
|
|
terminate(_Req, _State) ->
|
||
|
|
ok.
|