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%%%===========================================================
%%% compiled using erlc -I include src/basic_echo_callback.erl
%%%===========================================================
-module(basic_echo_callback).
%% Export for websocket callbacks
-export([handle_message/1]).
%% Export for apply
-export([say_hi/1]).
handle_message({text, <<"bye">>}) ->
io:format("User said bye.~n", []),
{close, normal};
handle_message({text, <<"something">>}) ->
io:format("Some action without a reply~n", []),
noreply;
handle_message({text, <<"say hi later">>}) ->
io:format("saying hi in 3s.~n", []),
timer:apply_after(3000, ?MODULE, say_hi, [self()]),
{reply, {text, <<"I'll say hi in a bit...">>}};
handle_message({text, Message}) ->
io:format("basic echo handler got ~p~n", [Message]),
{reply, {text, <<Message/binary>>}};
handle_message({binary, Message}) ->
{reply, {binary, Message}};
handle_message({close, Status, _Reason}) ->
{close, Status}.
say_hi(Pid) ->
io:format("asynchronous greeting~n", []),
yaws_api:websocket_send(Pid, {text, <<"hi there!">>}).
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