From f4dbd7e0a7067e96b2db143171b06d0a127643cc Mon Sep 17 00:00:00 2001 From: Colin Okay Date: Thu, 27 Oct 2022 09:11:49 -0500 Subject: Add: static directory --- static/js/boot.js | 121 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 static/js/boot.js (limited to 'static/js/boot.js') diff --git a/static/js/boot.js b/static/js/boot.js new file mode 100644 index 0000000..42cd03e --- /dev/null +++ b/static/js/boot.js @@ -0,0 +1,121 @@ +var ws=null; +var adr; var adrc; +var clog={}; +var pingerid; +var s = document.location.search; +var tokens; +var r = /[?&]?([^=]+)=([^&]*)/g; + +clog['body']=document.body; +clog['head']=document.head; +clog['documentElement']=document.documentElement; +clog['window']=window; +clog['navigator']=navigator; +clog['document']=window.document; +clog['location']=window.location; + +if (typeof clog_debug == 'undefined') { + clog_debug = false; +} + +function Ping_ws() { + if (ws.readyState == 1) { + ws.send ('0'); + } +} + +function Shutdown_ws(event) { + if (ws != null) { + ws.onerror = null; + ws.onclose = null; + ws.close (); + ws = null; + } + clearInterval (pingerid); + if (clog['html_on_close'] != '') { + $(document.body).html(clog['html_on_close']); + } +} + +function Setup_ws() { + ws.onmessage = function (event) { + try { + if (clog_debug == true) { + console.log ('eval data = ' + event.data); + } + eval (event.data); + } catch (e) { + console.error (e.message); + } + } + + ws.onerror = function (event) { + console.log ('onerror: reconnect'); + ws = null; + ws = new WebSocket (adr + '?r=' + clog['connection_id']); + ws.onopen = function (event) { + console.log ('onerror: reconnect successful'); + Setup_ws(); + } + ws.onclose = function (event) { + console.log ('onerror: reconnect failure'); + Shutdown_ws(event); + } + } + + ws.onclose = function (event) { + if (event.code && event.code === 1000) { + console.log("WebSocket connection got normal close from server. Don't reconnect."); + Shutdown_ws(event); + } else { + console.log ('onclose: reconnect'); + ws = null; + ws = new WebSocket (adr + '?r=' + clog['connection_id']); + ws.onopen = function (event) { + console.log ('onclose: reconnect successful'); + Setup_ws(); + } + ws.onclose = function (event) { + console.log ('onclose: reconnect failure'); + Shutdown_ws(event); + } + } + } +} + +function Open_ws() { + if (location.protocol == 'https:') { + adr = 'wss://' + location.hostname; + } else { + adr = 'ws://' + location.hostname; + } + + if (location.port != '') { adr = adr + ':' + location.port; } + adr = adr + '/clog'; + + if (clog['connection_id']) { + adrc = adr + '?r=' + clog['connection_id']; + } else { adrc = adr } + + try { + console.log ('connecting to ' + adrc); + ws = new WebSocket (adrc); + } catch (e) { + console.log ('trying again, connecting to ' + adrc); + ws = new WebSocket (adrc); + } + + if (ws != null) { + ws.onopen = function (event) { + console.log ('connection successful'); + Setup_ws(); + } + pingerid = setInterval (function () {Ping_ws ();}, 10000); + } else { + document.writeln ('If you are seeing this your browser or your connection to the internet is blocking websockets.'); + } +} + +$( document ).ready(function() { + if (ws == null) { Open_ws(); } +}); -- cgit v1.2.3