initial checkin
This commit is contained in:
Joe
186
EventSource.js
Normal file
186
EventSource.js
Normal file
@@ -0,0 +1,186 @@
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;(function (global) {
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if ("EventSource" in global) return;
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var reTrim = /^(\s|\u00A0)+|(\s|\u00A0)+$/g;
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var EventSource = function (url) {
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var eventsource = this,
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interval = 500, // polling interval
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lastEventId = null,
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cache = '';
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if (!url || typeof url != 'string') {
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throw new SyntaxError('Not enough arguments');
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}
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this.URL = url;
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this.readyState = this.CONNECTING;
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this._pollTimer = null;
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this._xhr = null;
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function pollAgain(interval) {
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eventsource._pollTimer = setTimeout(function () {
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poll.call(eventsource);
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}, interval);
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}
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function poll() {
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try { // force hiding of the error message... insane?
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if (eventsource.readyState == eventsource.CLOSED) return;
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// NOTE: IE7 and upwards support
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var xhr = new XMLHttpRequest();
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xhr.open('GET', eventsource.URL, true);
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xhr.setRequestHeader('Accept', 'text/event-stream');
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xhr.setRequestHeader('Cache-Control', 'no-cache');
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// we must make use of this on the server side if we're working with Android - because they don't trigger
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// readychange until the server connection is closed
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xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
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if (lastEventId != null) xhr.setRequestHeader('Last-Event-ID', lastEventId);
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cache = '';
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xhr.timeout = 50000;
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xhr.onreadystatechange = function () {
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if (this.readyState == 3 || (this.readyState == 4 && this.status == 200)) {
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// on success
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if (eventsource.readyState == eventsource.CONNECTING) {
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eventsource.readyState = eventsource.OPEN;
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eventsource.dispatchEvent('open', { type: 'open' });
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}
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var responseText = '';
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try {
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responseText = this.responseText || '';
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} catch (e) {}
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// process this.responseText
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var parts = responseText.substr(cache.length).split("\n"),
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eventType = 'message',
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data = [],
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i = 0,
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line = '';
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cache = responseText;
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// TODO handle 'event' (for buffer name), retry
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for (; i < parts.length; i++) {
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line = parts[i].replace(reTrim, '');
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if (line.indexOf('event') == 0) {
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eventType = line.replace(/event:?\s*/, '');
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} else if (line.indexOf('retry') == 0) {
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retry = parseInt(line.replace(/retry:?\s*/, ''));
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if(!isNaN(retry)) { interval = retry; }
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} else if (line.indexOf('data') == 0) {
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data.push(line.replace(/data:?\s*/, ''));
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} else if (line.indexOf('id:') == 0) {
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lastEventId = line.replace(/id:?\s*/, '');
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} else if (line.indexOf('id') == 0) { // this resets the id
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lastEventId = null;
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} else if (line == '') {
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if (data.length) {
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var event = new MessageEvent(data.join('\n'), eventsource.url, lastEventId);
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eventsource.dispatchEvent(eventType, event);
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data = [];
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eventType = 'message';
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}
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}
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}
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if (this.readyState == 4) pollAgain(interval);
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// don't need to poll again, because we're long-loading
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} else if (eventsource.readyState !== eventsource.CLOSED) {
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if (this.readyState == 4) { // and some other status
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// dispatch error
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eventsource.readyState = eventsource.CONNECTING;
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eventsource.dispatchEvent('error', { type: 'error' });
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pollAgain(interval);
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} else if (this.readyState == 0) { // likely aborted
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pollAgain(interval);
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} else {
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}
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}
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};
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xhr.send();
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setTimeout(function () {
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if (true || xhr.readyState == 3) xhr.abort();
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}, xhr.timeout);
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eventsource._xhr = xhr;
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} catch (e) { // in an attempt to silence the errors
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eventsource.dispatchEvent('error', { type: 'error', data: e.message }); // ???
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}
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};
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poll(); // init now
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};
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EventSource.prototype = {
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close: function () {
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// closes the connection - disabling the polling
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this.readyState = this.CLOSED;
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clearInterval(this._pollTimer);
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this._xhr.abort();
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},
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CONNECTING: 0,
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OPEN: 1,
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CLOSED: 2,
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dispatchEvent: function (type, event) {
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var handlers = this['_' + type + 'Handlers'];
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if (handlers) {
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for (var i = 0; i < handlers.length; i++) {
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handlers[i].call(this, event);
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}
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}
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if (this['on' + type]) {
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this['on' + type].call(this, event);
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}
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},
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addEventListener: function (type, handler) {
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if (!this['_' + type + 'Handlers']) {
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this['_' + type + 'Handlers'] = [];
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}
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this['_' + type + 'Handlers'].push(handler);
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},
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removeEventListener: function (type, handler) {
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var handlers = this['_' + type + 'Handlers'];
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if (!handlers) {
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return;
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}
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for (var i = handlers.length - 1; i >= 0; --i) {
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if (handlers[i] === handler) {
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handlers.splice(i, 1);
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break;
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}
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}
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},
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onerror: null,
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onmessage: null,
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onopen: null,
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readyState: 0,
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URL: ''
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};
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var MessageEvent = function (data, origin, lastEventId) {
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this.data = data;
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this.origin = origin;
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this.lastEventId = lastEventId || '';
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};
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MessageEvent.prototype = {
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data: null,
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type: 'message',
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lastEventId: '',
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origin: ''
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};
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if ('module' in global) module.exports = EventSource;
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global.EventSource = EventSource;
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})(this);
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212
display.html
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212
display.html
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@@ -0,0 +1,212 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8"/>
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<title>Joe's Web-Clipboard</title>
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</head>
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<style>
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body {
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font-family:Verdana,sans-serif;
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}
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span.label {
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float:left;
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width:100px;
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}
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input.url {
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width:350px;
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border:1px solid;
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}
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span#pnlConnectionState {
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font-size:10px;
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position:fixed;
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right:0;
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border:1px solid;
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padding:5px;
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text-align:center;
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background:#EEEEEE;
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margin-right:10px;
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}
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div.circle {
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position:relative;
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left:40%;
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width: 15px;
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height: 15px;
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border-radius: 50%;
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}
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textarea#taValue {
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width:95%;
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display:block;
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max-width:95%;
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line-height:1.5;
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padding:15px 15px 30px;
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border-radius:3px;
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border:1px solid #F7E98D;
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font:13px Tahoma, cursive;
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transition:box-shadow 0.5s ease;
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box-shadow:0 4px 6px rgba(0,0,0,0.1);
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font-smoothing:subpixel-antialiased;
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background:linear-gradient(#F9EFAF, #F7E98D);
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background:-o-linear-gradient(#F9EFAF, #F7E98D);
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background:-ms-linear-gradient(#F9EFAF, #F7E98D);
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background:-moz-linear-gradient(#F9EFAF, #F7E98D);
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background:-webkit-linear-gradient(#F9EFAF, #F7E98D);
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}
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</style>
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<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
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<script src="EventSource.js"></script> <!-- polyfill for IE -->
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<script src="autosize.min.js"></script>
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<script>
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var webclip = (function () {
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"use strict";
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var source;
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var lastTimeStamp;
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var oldContent;
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function loadData(id) {
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$.get("raw/" + id, function (data) {
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$("#lbNew").hide();
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$("#taValue").val(data);
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oldContent=data;
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enableDisableButtons();
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autosize($('#taValue'));
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}).fail(function () {
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$("#lbNew").show();
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});
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}
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function startEventStream() {
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source = new EventSource('events/' + $("#tbId").val());
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source.addEventListener('message', function (event) {
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console.log(event.data);
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var data = JSON.parse(event.data);
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if (data.timeStamp !== lastTimeStamp) {
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if (0 !== lastTimeStamp) {
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console.log("dirty - reloading");
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loadData($("#tbId").val());
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}
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lastTimeStamp = data.timeStamp;
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}
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}, false);
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source.addEventListener('open', function (e) {
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console.log('> Connection was opened', e);
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}, false);
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source.addEventListener('error', function (e) {
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if (e.eventPhase === 2) { //EventSource.CLOSED
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console.log('> Connection was closed [ERR]');
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}
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console.log('> Connection error', e);
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}, false);
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}
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function closeEventStream() {
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console.log('> Closing EventStream');
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try {
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source.close();
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}finally{}
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}
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function monitorConnectionState() {
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if (source.readyState === 1) {
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$("#icoStateConnected").show();
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$("#icoStateDisconnected").hide();
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} else {
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$("#icoStateConnected").hide();
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$("#icoStateDisconnected").show();
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}
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}
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function saveData(id) {
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closeEventStream();
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$.post("save/" + id, {
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data: $("#taValue").val()
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}, function (data) {
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$("#lbNew").hide();
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console.log("AfterSave", data);
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var jData = JSON.parse(data);
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lastTimeStamp = jData.timeStamp;
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oldContent=$("#taValue").val();
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manageDirtyFlag();
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startEventStream();
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}).fail(function(xhr,textStatus,errorThrown){
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console.log("ERROOOR",xhr,textStatus,errorThrown);
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closeEventStream();
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startEventStream();
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});
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}
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function enableDisableButtons() {
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if ($("#tbId").val() === "") {
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$("#btnLoad").prop('disabled', true);
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$("#btnSave").prop('disabled', true);
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} else {
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$("#btnLoad").prop('disabled', false);
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if (!isContentChanged()){
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$("#btnSave").prop('disabled', true);
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$("#flgIsDirty").hide();
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} else {
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$("#btnSave").prop('disabled', false);
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$("#flgIsDirty").show();
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}
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}
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}
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function manageDirtyFlag(){
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enableDisableButtons();
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}
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function isContentChanged(){
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if (oldContent !== $("#taValue").val()) {
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return true;
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} else {
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return false;
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}
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}
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$(document).ready(function () {
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$("#tbId").val(location.href.substr(location.href.lastIndexOf('/') + 1));
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$("#tbURLEdit").val($(location).attr("href"));
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$("#tbURLRaw").val($(location).attr("href").replace("/wc/", "/wc/raw/"));
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loadData($("#tbId").val());
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lastTimeStamp = 0;
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startEventStream();
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window.setInterval(monitorConnectionState,1000);
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});
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return {
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saveData: saveData,
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enableDisableButtons: enableDisableButtons,
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manageDirtyFlag: manageDirtyFlag
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};
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}());
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</script>
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<body>
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<span style='font-size:40px'><span style='color:#777777'>Web</span>-<span style='color:#FF0000'>Clipboard</span></span><span style='font-size:14px'> by <a href='mailto:joe@netsquat.com'>joe@netsquat.com</a></span>
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<span id='pnlConnectionState'>
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Connection
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<hr/>
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<div id='icoStateConnected' class='circle' style='background:#00FF00;display:none'></div>
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<div id='icoStateDisconnected' class='circle' style='background:#FF0000;display:none'></div>
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</span>
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<hr />
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<input id='tbId' onchange='webclip.enableDisableButtons();' onkeyup='webclip.enableDisableButtons();' placeholder="Clipboard-name" style='border:1px solid'/>
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<span id='lbNew' style='display:none'>[NEW]</span>
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<button id='btnLoad' onclick='window.location.replace($("#tbId").val());'>Load</button>
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<button id='btnSave' onclick='webclip.saveData($("#tbId").val());'>Save<span style='display:none' id='flgIsDirty'>*</span></button>
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<button style='font-weight:bold;color:#FF0000' onClick='$(".moreToggle").toggle();'><span class='moreToggle' id='darr'>↓</span><span class='moreToggle' style='display:none' id='uarr'>↑</span></button>
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<br/>
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<div id='pnlDetails' class='moreToggle' style='display:none'>
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<span class='label'>Edit-URL</span> <input id='tbURLEdit' class='url' style='background-color:#CCCCCC' readonly='readonly'/><br/>
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<span class='label'>Raw-URL</span> <input id='tbURLRaw' class='url' style='background-color:#CCCCCC' readonly='readonly'/>
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</div>
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<hr />
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<textarea style='width:100%;font-family:courier,monospace' onkeyup='webclip.manageDirtyFlag();' onblur='webclip.manageDirtyFlag();' rows="20" id='taValue'>
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</textarea>
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<hr/>
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$Revision: 15 $ -- $Date: 2016-02-07 12:09:18 -0600 (Sun, 07 Feb 2016) $
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</body>
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</html>
|
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37
install.txt
Normal file
37
install.txt
Normal file
@@ -0,0 +1,37 @@
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||||
put files into webserver-directory.
|
||||
|
||||
install nodejs package
|
||||
install nodejs-legacy package
|
||||
install npm package
|
||||
[sudo] npm -g install forever
|
||||
|
||||
npm install autosize
|
||||
ln -s node_modules/autosize/dist/autosize.min.js
|
||||
|
||||
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||||
|
||||
copy files to some directory (/var/local/nodejs/wc/) and make sure permissions are good
|
||||
in the directory get the Q-library for promises:
|
||||
cd /var/loca/nodejs/wc && npm install q
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||||
|
||||
configure a process to keep running node.js with the server.js:
|
||||
---------------------------------------------------------------
|
||||
[edit] /etc/rd.local:
|
||||
su - <user> -c "cd /var/local/nodejs/wc; /usr/local/bin/forever start server.js"
|
||||
|
||||
|
||||
Configure Lighttpd:
|
||||
-------------------
|
||||
cd /etc/lighttps/conf-enabled
|
||||
ln -s ../conf-available/10-proxy.conf
|
||||
|
||||
add to 10-proxy.conf:
|
||||
|
||||
$HTTP["url"] =~ "^/wc/.*$" {
|
||||
proxy.server = ( "" =>
|
||||
(( "host" => "127.0.0.1", "port" => 8000 ))
|
||||
)
|
||||
}
|
||||
|
||||
|
||||
re-start lighttpd
|
||||
19
package.json
Normal file
19
package.json
Normal file
@@ -0,0 +1,19 @@
|
||||
{
|
||||
"name": "webclip",
|
||||
"version": "1.0.0",
|
||||
"description": "Web-Clipboard",
|
||||
"main": "EventSource.js",
|
||||
"directories": {
|
||||
"doc": "docs"
|
||||
},
|
||||
"scripts": {
|
||||
"test": "echo \"Error: no test specified\" && exit 1",
|
||||
"start": "node server.js"
|
||||
},
|
||||
"author": "j.tretter@gmail.com",
|
||||
"license": "ISC",
|
||||
"dependencies": {
|
||||
"q": "^1.4.1",
|
||||
"querystring": "^0.2.0"
|
||||
}
|
||||
}
|
||||
180
server.js
Normal file
180
server.js
Normal file
@@ -0,0 +1,180 @@
|
||||
// $Revision: 16 $ -- $Date: 2016-02-08 15:14:12 -0600 (Mon, 08 Feb 2016) $
|
||||
|
||||
var http = require('http');
|
||||
var sys = require('sys');
|
||||
var fs = require('fs');
|
||||
var moniFilename = 'abc';
|
||||
var querystring = require('querystring');
|
||||
var q = require('q');
|
||||
|
||||
var deferredAllDone;
|
||||
|
||||
http.createServer(function(req, res) {
|
||||
//debugHeaders(req);
|
||||
|
||||
deferredAllDone = q.defer();
|
||||
deferredAllDone.promise.done(function(pos) {
|
||||
res.end();
|
||||
console.log("Response END. [" + pos + "]");
|
||||
});
|
||||
|
||||
if (req.headers.accept && req.headers.accept === 'text/event-stream') {
|
||||
var arrMatches;
|
||||
arrMatches = req.url.match(new RegExp(/\/events\/(.*)$/));
|
||||
if (arrMatches) {
|
||||
moniFilename = arrMatches[1];
|
||||
console.log("Monitoring:" + moniFilename);
|
||||
sendSSE(req, res);
|
||||
} else {
|
||||
res.writeHead(404);
|
||||
deferredAllDone.resolve("404");
|
||||
}
|
||||
} else {
|
||||
console.log("RCV-HTML");
|
||||
res.writeHead(200, { 'Content-Type': 'text/html', 'Cache-Control': 'no-cache' });
|
||||
arrMatches = req.url.match(new RegExp(/\/(save|raw)\/(.*)$/));
|
||||
console.log("Matches", arrMatches);
|
||||
if ((arrMatches) && (arrMatches.length === 3)) {
|
||||
var func = arrMatches[1];
|
||||
moniFilename = arrMatches[2];
|
||||
if ("save" === func) {
|
||||
console.log("SAVE-Data");
|
||||
//sys.puts(sys.inspect(req));
|
||||
var fullBody = '';
|
||||
|
||||
req.on('data', function(chunk) {
|
||||
// append the current chunk of data to the fullBody variable
|
||||
fullBody += chunk.toString();
|
||||
});
|
||||
|
||||
//req.on('end', (function(res) {
|
||||
req.on('end', function() {
|
||||
var decodedBody = querystring.parse(fullBody);
|
||||
//sys.puts(sys.inspect(decodedBody));
|
||||
|
||||
fs.writeFile(__dirname + "/docs/" + moniFilename, decodedBody.data, function(err) {
|
||||
if (err) {
|
||||
res.write('ERROR : "' + err + '"');
|
||||
deferredAllDone.resolve("OnEndERR");
|
||||
console.log(err);
|
||||
} else {
|
||||
fs.stat(__dirname + "/docs/" + moniFilename, function(err, stats) {
|
||||
if (stats) {
|
||||
console.log('deb' + stats.mtime);
|
||||
res.write(constructJSON("Saved", stats.mtime));
|
||||
}
|
||||
deferredAllDone.resolve("OnEndSaved");
|
||||
});
|
||||
}
|
||||
});
|
||||
});
|
||||
//}(res)));
|
||||
} else if ("raw" === func) {
|
||||
console.log("RAW");
|
||||
try {
|
||||
res.write(fs.readFileSync(__dirname + '/docs/' + moniFilename));
|
||||
} catch (e) {
|
||||
res.writeHead(404, { 'Content-Type': 'text/html' });
|
||||
console.log("RAW - FAILED");
|
||||
}
|
||||
deferredAllDone.resolve("OnRaw");
|
||||
}
|
||||
} else {
|
||||
var reqFile=req.url.replace("/wc/","");
|
||||
|
||||
console.log("Orig Requested File " + reqFile );
|
||||
if ((reqFile!=='EventSource.js') && (reqFile!=='autosize.min.js') ) {
|
||||
reqFile='display.html'
|
||||
}
|
||||
console.log("Requested File " + reqFile );
|
||||
var contentType="text/html";
|
||||
if (reqFile.match(/\.css/gi)) {
|
||||
contentType="text/css";
|
||||
}
|
||||
if (reqFile.match(/\.js/gi)) {
|
||||
contentType="application/javascript";
|
||||
}
|
||||
|
||||
|
||||
var filePath = __dirname + '/' + reqFile;
|
||||
console.log("Full path " + filePath + " [" + contentType + "]" );
|
||||
|
||||
try {
|
||||
var stat = fs.statSync(filePath);
|
||||
|
||||
var readStream = fs.createReadStream(filePath);
|
||||
res.writeHead(200, {"Content-Type":contentType});
|
||||
|
||||
readStream.pipe(res); // this will do a res.end() by its own.
|
||||
|
||||
} catch (ex) {
|
||||
res.writeHead(404,{"Content-Type":"text/html"});
|
||||
res.write("Not found: " + reqFile );
|
||||
deferredAllDone.resolve("OnDisplay");
|
||||
console.log ("Not found: " + reqFile, ex);
|
||||
}
|
||||
}
|
||||
}
|
||||
}).listen(8001,'127.0.0.1');
|
||||
|
||||
// Send the server side event - consider that this response never ends, so no res.end() is called whatsowever!
|
||||
function sendSSE(req, res) {
|
||||
var theClient=req.socket.remoteAddress + ":" + req.socket.remotePort;
|
||||
res.writeHead(200, {
|
||||
'Content-Type': 'text/event-stream',
|
||||
'Cache-Control': 'no-cache',
|
||||
'Connection': 'keep-alive'
|
||||
});
|
||||
|
||||
var id = (new Date()).toLocaleTimeString();
|
||||
|
||||
fs.stat(__dirname + "/docs/" + moniFilename, function(err, stats) {
|
||||
if (stats) {
|
||||
console.log('deb' + stats.mtime);
|
||||
res.write(constructSSE("Modified", stats.mtime));
|
||||
}
|
||||
});
|
||||
|
||||
// Watching directory for changes
|
||||
fs.watch(__dirname + '/docs/', function(event, filename) {
|
||||
console.log('event is: ' + event);
|
||||
if (filename) {
|
||||
console.log('filename provided: ' + filename);
|
||||
console.log("Monitoring:" + moniFilename);
|
||||
|
||||
if (moniFilename === filename) {
|
||||
fs.stat(__dirname + "/docs/" + filename, function(err, stats) {
|
||||
console.log('deb 2 ' +theClient + " - " + stats.mtime);
|
||||
res.write(constructSSE("Modified", stats.mtime));
|
||||
});
|
||||
}
|
||||
} else {
|
||||
console.log('filename not provided');
|
||||
}
|
||||
});
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
// the SSE requires a "data" element
|
||||
function constructSSE(type, timeStamp) {
|
||||
var retVal = "data: " + constructJSON(type, timeStamp) + "\n\n";
|
||||
console.log('MESSAGE-DEBUG-L: ' + type + " _ " + timeStamp);
|
||||
return (retVal);
|
||||
}
|
||||
|
||||
// just the JSON of the data
|
||||
function constructJSON(type, timeStamp) {
|
||||
var retVal = '{"type": "' + type + '",';
|
||||
retVal += ('"timeStamp": "' + timeStamp + '"}');
|
||||
return (retVal);
|
||||
}
|
||||
|
||||
function debugHeaders(req) {
|
||||
sys.puts('URL: ' + req.url);
|
||||
for (var key in req.headers) {
|
||||
sys.puts(key + ': ' + req.headers[key]);
|
||||
}
|
||||
sys.puts('\n\n');
|
||||
}
|
||||
Reference in New Issue
Block a user