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Diffstat (limited to 'examples/echo_get/src/toppage_handler.erl')
| -rw-r--r-- | examples/echo_get/src/toppage_handler.erl | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/examples/echo_get/src/toppage_handler.erl b/examples/echo_get/src/toppage_handler.erl new file mode 100644 index 0000000..1322449 --- /dev/null +++ b/examples/echo_get/src/toppage_handler.erl @@ -0,0 +1,29 @@ +%% 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. |