1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
%% This module enables/disables compression
%% every time it echoes a frame.
-module(ws_deflate_commands_h).
-behavior(cowboy_websocket).
-export([init/2]).
-export([websocket_handle/2]).
-export([websocket_info/2]).
init(Req, RunOrHibernate) ->
{cowboy_websocket, Req,
#{deflate => true, hibernate => RunOrHibernate},
#{compress => true}}.
websocket_handle(Frame, State=#{deflate := Deflate0, hibernate := run}) ->
Deflate = not Deflate0,
{[Frame, {deflate, Deflate}], State#{deflate => Deflate}};
websocket_handle(Frame, State=#{deflate := Deflate0, hibernate := hibernate}) ->
Deflate = not Deflate0,
{[Frame, {deflate, Deflate}], State#{deflate => Deflate}, hibernate}.
websocket_info(_Info, State) ->
{[], State}.
|
