%% This module takes commands from the x-commands header
%% and returns them in the websocket_info/2 callback.
%% This callback is triggered via a message.
-module(ws_info_commands_h).
-behavior(cowboy_websocket).
-export([init/2]).
-export([websocket_init/1]).
-export([websocket_handle/2]).
-export([websocket_info/2]).
init(Req=#{pid := Pid}, RunOrHibernate) ->
Commands0 = cowboy_req:header(<<"x-commands">>, Req),
Commands = binary_to_term(base64:decode(Commands0)),
case Commands of
bad -> ct_helper_error_h:ignore(Pid, cowboy_websocket, handler_call, 6);
_ -> ok
end,
{cowboy_websocket, Req, {Commands, RunOrHibernate}}.
websocket_init(State) ->
self() ! shoot,
{[], State}.
websocket_handle(_, State) ->
{[], State}.
websocket_info(_, State={Commands, run}) ->
{Commands, State};
websocket_info(_, State={Commands, hibernate}) ->
{Commands, State, hibernate}.
