mirror of
https://github.com/ninenines/cowboy.git
synced 2025-07-14 12:20:24 +00:00
35 lines
905 B
Erlang
35 lines
905 B
Erlang
|
%% Feel free to use, reuse and abuse the code in this file.
|
||
|
|
|
||
|
|
-module(websocket_echo_handler).
|
||
|
|
-behaviour(cowboy_http_handler).
|
||
|
|
-behaviour(cowboy_http_websocket_handler).
|
||
|
|
-export([init/3, handle/2, terminate/2]).
|
||
|
|
-export([websocket_init/3, websocket_handle/3,
|
||
|
|
websocket_info/3, websocket_terminate/3]).
|
||
|
|
|
||
|
|
init(_Any, _Req, _Opts) ->
|
||
|
|
{upgrade, protocol, cowboy_http_websocket}.
|
||
|
|
|
||
|
|
handle(_Req, _State) ->
|
||
|
|
exit(badarg).
|
||
|
|
|
||
|
|
terminate(_Req, _State) ->
|
||
|
|
exit(badarg).
|
||
|
|
|
||
|
|
websocket_init(_TransportName, Req, _Opts) ->
|
||
|
|
Req2 = cowboy_http_req:compact(Req),
|
||
|
|
{ok, Req2, undefined}.
|
||
|
|
|
||
|
|
websocket_handle({text, Data}, Req, State) ->
|
||
|
|
{reply, {text, Data}, Req, State};
|
||
|
|
websocket_handle({binary, Data}, Req, State) ->
|
||
|
|
{reply, {binary, Data}, Req, State};
|
||
|
|
websocket_handle(_Frame, Req, State) ->
|
||
|
|
{ok, Req, State}.
|
||
|
|
|
||
|
|
websocket_info(_Info, Req, State) ->
|
||
|
|
{ok, Req, State}.
|
||
|
|
|
||
|
|
websocket_terminate(_Reason, _Req, _State) ->
|
||
|
|
ok.
|