diff options
| -rw-r--r-- | README.md | 7 | ||||
| -rw-r--r-- | src/cowboy_http_protocol.erl | 20 |
2 files changed, 20 insertions, 7 deletions
@@ -63,7 +63,10 @@ use one of the predefined handlers or write your own. An hello world HTTP handler could be written like this: -module(my_handler). - -export([handle/2]). + -export([init/2, handle/2]). - handle(Opts, Req) -> + init(Req, Opts) -> + {ok, undefined}. + + handle(Req, State) -> {reply, 200, [], "Hello World!"}. diff --git a/src/cowboy_http_protocol.erl b/src/cowboy_http_protocol.erl index d3d41f9..da10411 100644 --- a/src/cowboy_http_protocol.erl +++ b/src/cowboy_http_protocol.erl @@ -106,14 +106,24 @@ header({http_header, _I, Field, _R, Value}, Req, State) -> header(http_eoh, #http_req{host=undefined}, State) -> error_terminate(400, State); header(http_eoh, Req, State) -> - handler_loop(Req, State). + handler_init(Req, State). + +-spec handler_init(Req::#http_req{}, State::#state{}) -> ok. +handler_init(Req, State=#state{handler={Handler, Opts}}) -> + case Handler:init(Req, Opts) of + {ok, HandlerState} -> + handler_loop(HandlerState, Req, State) + %% @todo {mode, active}; {upgrade_protocol, Module}; {error, Reason} + end. --spec handler_loop(Req::#http_req{}, State::#state{}) -> ok. -handler_loop(Req, State=#state{handler={Handler, Opts}}) -> - case Handler:handle(Opts, Req) of +-spec handler_loop(HandlerState::term(), Req::#http_req{}, + State::#state{}) -> ok. +handler_loop(HandlerState, Req, State=#state{handler={Handler, _Opts}}) -> + case Handler:handle(Req, HandlerState) of + %% @todo {ok, HandlerState}; {mode, active} + %% @todo Move the reply code to the cowboy_http_req module. {reply, RCode, RHeaders, RBody} -> reply(RCode, RHeaders, RBody, State) - %% @todo stream_reply, request_body, stream_request_body... end. -spec error_terminate(Code::http_status(), State::#state{}) -> ok. |