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authorPablo Vieytes <[email protected]>2013-01-23 15:05:35 +0100
committerPablo Vieytes <[email protected]>2013-01-30 10:11:39 +0100
commitb8a0a8963b97387bd7b03b610107aa502c7c791d (patch)
tree0f1845e7309444772d5471e8da3fb432eb1173bd /examples/websocket/src/ws_handler.erl
parentd9b3727a628975dfcc8707e143e45884873e42cb (diff)
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add websocket example
Diffstat (limited to 'examples/websocket/src/ws_handler.erl')
-rw-r--r--examples/websocket/src/ws_handler.erl29
1 files changed, 29 insertions, 0 deletions
diff --git a/examples/websocket/src/ws_handler.erl b/examples/websocket/src/ws_handler.erl
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+++ b/examples/websocket/src/ws_handler.erl
@@ -0,0 +1,29 @@
+-module(ws_handler).
+-behaviour(cowboy_websocket_handler).
+
+-export([init/3]).
+-export([websocket_init/3]).
+-export([websocket_handle/3]).
+-export([websocket_info/3]).
+-export([websocket_terminate/3]).
+
+init({tcp, http}, _Req, _Opts) ->
+ {upgrade, protocol, cowboy_websocket}.
+
+websocket_init(_TransportName, Req, _Opts) ->
+ erlang:start_timer(1000, self(), <<"Hello!">>),
+ {ok, Req, undefined_state}.
+
+websocket_handle({text, Msg}, Req, State) ->
+ {reply, {text, << "That's what she said! ", Msg/binary >>}, Req, State};
+websocket_handle(_Data, Req, State) ->
+ {ok, Req, State}.
+
+websocket_info({timeout, _Ref, Msg}, Req, State) ->
+ erlang:start_timer(1000, self(), <<"How' you doin'?">>),
+ {reply, {text, Msg}, Req, State};
+websocket_info(_Info, Req, State) ->
+ {ok, Req, State}.
+
+websocket_terminate(_Reason, _Req, _State) ->
+ ok.