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Implement long polling to allow web crawling of websites

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This commit is contained in:
David Botton 2022-04-11 23:41:51 -04:00
parent 0134558c03
commit ad65de9f18
5 changed files with 175 additions and 93 deletions
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65
static-files/js/boot.js
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@ -1,8 +1,19 @@
/*static version*/
var ws;
var ws=null;
var adr;
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;
@ -38,7 +49,7 @@ function Setup_ws() {
console.error (e.message);
}
}
ws.onerror = function (event) {
console.log ('onerror: reconnect');
ws = null;
@ -52,11 +63,11 @@ function Setup_ws() {
Shutdown_ws(event);
}
}
ws.onclose = function (event) {
console.log ('onclose: reconnect');
ws = null;
ws = new WebSocket (adr + '?r=' + clog['connection_id']);
ws = new WebSocket (adr + '?r=' + clog['connection_id']);
ws.onopen = function (event) {
console.log ('onclose: reconnect successful');
Setup_ws();
@ -68,43 +79,37 @@ function Setup_ws() {
}
}
$( document ).ready(function() {
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;
function Open_ws() {
if (location.protocol == 'https:') {
adr = 'wss://' + location.hostname;
adr = 'wss://' + location.hostname;
} else {
adr = 'ws://' + location.hostname;
adr = 'ws://' + location.hostname;
}
if (location.port != '') { adr = adr + ':' + location.port; }
adr = adr + '/clog';
if (clog['connection_id']) { adr = adr + '?r=' + clog['connection_id'] }
try {
console.log ('connecting to ' + adr);
ws = new WebSocket (adr);
console.log ('connecting to ' + adr);
ws = new WebSocket (adr);
} catch (e) {
console.log ('trying again, connecting to ' + adr);
ws = new WebSocket (adr);
console.log ('trying again, connecting to ' + adr);
ws = new WebSocket (adr);
}
if (ws != null) {
ws.onopen = function (event) {
ws.onopen = function (event) {
console.log ('connection successful');
Setup_ws();
}
pingerid = setInterval (function () {Ping_ws ();}, 10000);
}
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.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(); }
});