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#!./uwsgi --https :8443,foobar.crt,foobar.key --http-modifier1 6 --http-raw-body --threads 100 --lua tests/websockets_echo.lua
function app(env)
local function html()
coroutine.yield(string.format([[
<html>
<head>
<script language="Javascript">
var s = new WebSocket("%s://%s/foobar/", ["echo","foo","bar"]);
s.onopen = function() {
alert("connected !!!");
s.send("ciao");
};
s.onmessage = function(e) {
var bb = document.getElementById('blackboard')
var html = bb.innerHTML;
bb.innerHTML = html + '<br/>' + e.data;
};
s.onerror = function(e) {
alert(e);
}
s.onclose = function(e) {
alert("connection closed");
}
function invia() {
var value = document.getElementById('testo').value;
s.send(value);
}
</script>
</head>
<body>
<h1>WebSocket</h1>
<input type="text" id="testo"/>
<input type="button" value="invia" onClick="invia();"/>
<div id="blackboard" style="width:640px;height:480px;background-color:black;color:white;border: solid 2px red;overflow:auto">
</div>
</body>
</html>
]], ws_scheme, env['HTTP_HOST']))
end
ws_scheme = 'ws'
if env['HTTPS'] ~= nil then
ws_scheme = 'wss'
end
if env['PATH_INFO'] == '/' then
return 200, { ["Content-type"] = "text/html" }, coroutine.wrap(html)
elseif env['PATH_INFO'] == '/foobar/' then
uwsgi.websocket_handshake(nil, nil, 'echo')
print("websockets...")
while 1 do
msg = uwsgi.websocket_recv()
uwsgi.websocket_send(string.format("[%s] %s", os.time(), msg))
end
end
end
return app