|
JavaScript - Delaying Server Ping
heya, ^.^ sorry if this is in the wrong section, im new here so i wasn't sure as it concerns both java and php, so basically i've made a website that pings a server address when someone views the site, but currently it will ping every time you f5 or refresh ect, what i need it to do is only ping once every 2mins, store the value for when its not being pinged to be displayed, now i got told this could be done in javascript?, but my knowledge of javascript is very minimal,
i also got told that "var m_pingDomain_timer = setInterval(dopingDomain, 120);" may have something to do with it?, and help /code or pointers in the right direction would be a great help , il leave you with the PHP code so you can look over below Code: <tr>
<td class="SEBody1">
<?php
// Function to check response time
error_reporting(0);
function pingDomain($domain)
{
$starttime = microtime(true);
$file = fsockopen ($domain, 80, $errno, $errstr, 10);
$stoptime = microtime(true);
$status = 0;
if (!$file) $status = -1; // Site is down
else {
fclose($file);
$status = ($stoptime - $starttime) * 1000;
$status = floor($status);
}
return $status;
}
echo '<table>';
$domainbase ="google.com";
$status = pingDomain($domainbase);
if ($status != -1) echo "<img src='img/shard_status_online.png' width='18' height='18' alt='Online' />Online";
else echo "<img src='img/shard_status_offline.png' width='18' height='18' alt='Offline' />Offline";
echo '</table>';
?>
</td>
<td class="SEBody1">로그인</td>
<td class="SEBody1">Login</td>
<td class="SEBody1">
<?php
if ($status !=-1) echo "$status ms";
else echo "0 ms";
?>
</td>
</tr>
Similar Tutorialshttp://everythingsyoga.netau.net/Ang...ite2/Eat.html# The second link to the right "Eat our Famous" is the link in question, you'll notice the div on the left has about a 3 second delay. Any thoughts? Thanks. Hi All, I came across various codes that is used to delay the banner from not loading while the document is loading but i got struck with this one, this one sounds interesting but confusing, Which page in this code is delaying the banner & how to adjust that (to delay further or to speedup)- http://en.wikipedia.org/wiki/Script?...AFS020fader_US Hello to all, new to this forum so pardon any mistakes in my question. I have an overlay that contains a video which loads upon page load. Code: <script type="text/javascript">
$(function() {
$("#intro_video").overlay({
mask: {
color: '#000',
loadSpeed: 1000,
startOpacity: 0,
zIndex: 9997,
opacity: .85
},
top: 131,
closeOnClick: true,
load: true,
onLoad: function(){
var $overlay = this;
setTimeout(function(){$overlay.close()}, 44000)
}});
});
</script>
I'd like to delay this by about 5 seconds or so but can't figure out how to do so as I am a JS n00b. The overlay is contained in a div: <div id="intro_video"> Thank you for your help. Hi all, On my website I've got a simple animated .gif I want to play each time someone clicks a link on the menu bar. The problem is that while the image changes successfully, the webpage changes too quickly so the animated.gif won't play. I'm assuming this has something to do with setTimeout though I'm too much of a noob at Java to get this right. Here is one of the buttons: Code: <a href="facts.html" onmouseover='facts.src="images/thefactsbutton2.jpg"' onmouseout='facts.src="images/thefactsbutton.jpg"' onclick='top.src="images/chimneytopsm.jpg"'> <img name="facts" src="images/thefactsbutton.jpg" /> </a> Hi, I have a problem with max. memory usage, and I wonder what pingtime in a chat program is for, I imagine its to refresh to see if person is still there, but not sure, if anybody can explain. I have this on all pages where the chat is: serversession=1&pingtimes=15 I wonder if it makes any difference to change the pingtime, thanks I have the following JavaScript (see below). The script requests an XML file from the server and displays it on the page. The script works fine when the requested XML file is stored on the same server as the script. The problem is when I try requesting an XML file from an external server such as the National Weather Service. I get an error. If I take the XML file from the National Weather Service and save it to my server it works. Why can't I use my script to request XML files stored on external servers? Thanks in advance for any help. Javascript Code Code: window.onload = initAll;
var xhr = false;
function initAll() {
document.getElementById("makeTextRequest").onclick = getNewFile;
document.getElementById("makeXMLRequest").onclick = getNewFile;
}
function getNewFile() {
makeRequest(this.href);
return false;
}
function makeRequest(url) {
if (window.XMLHttpRequest) {
xhr = new XMLHttpRequest();
}
else {
if (window.ActiveXObject) {
try {
xhr = new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e) { }
}
}
if (xhr) {
xhr.onreadystatechange = showContents;
xhr.open("GET", url, true);
xhr.send(null);
}
else {
document.getElementById("updateArea").innerHTML = "Sorry, but I couldn't create an XMLHttpRequest";
}
}
function showContents() {
if (xhr.readyState == 4) {
if (xhr.status == 200) {
if (xhr.responseXML && xhr.responseXML.contentType=="text/xml") {
var outMsg = xhr.responseXML.getElementsByTagName("choices")[0].textContent;
}
else {
var outMsg = xhr.responseText;
}
}
else {
var outMsg = "There was a problem with the request " + xhr.status;
}
document.getElementById("updateArea").innerHTML = outMsg;
}
}
HTML Code Code: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>My First Ajax Script</title> <script type="text/javascript" src="script01.js"></script> </head> <body> <p><a id="makeXMLRequest" href="http://www.weather.gov/xml/current_obs/KOJC.xml">Request an XML file</a></p> <div id="updateArea"> </div> </body> </html> I need help to make a Server to server connection I already have a server connected to clients, clients send msgs and it echoes back to all of them and now i want when a client sends a msg it echoes on his server and the other server too .. so when any of the clients on any of the servers sends a msg it is broadcasted all over the servers to all clients This is my SERVER code Code: import java.io.*;
import java.net.*;
public class MultiThreadChatServer {
// Declaration section: This part to declare the server socket, client
// socket, input stream
// and output stream
static Socket clientSocket = null;
static ServerSocket serverSocket = null;
// server can hold up to 10 clients
static clientThread t[] = new clientThread[10];
public static void main(String args[]) {
int port_number = 6000;
if (args.length < 1) {
System.out.println("Server Started \n" + "Now using port number="
+ port_number);
} else {
port_number = Integer.valueOf(args[0]).intValue();
}
// Initialization section: Where I try to open a server socket on the
// given port
try {
serverSocket = new ServerSocket(port_number);
} catch (IOException e) {
System.out.println(e);
}
// Create a socket object from the ServerSocket to listen and accept
// connections
// Open input and output streams for this socket will be created in
// client's thread since every client is served by the server in
// an individual thread
while (true) {
try {
clientSocket = serverSocket.accept();
for (int i = 0; i <= 9; i++) {
if (t[i] == null) {
(t[i] = new clientThread(clientSocket, t)).start();
break;
}
}
} catch (IOException e) {
System.out.println(e);
}
}
}
}
// This client thread opens the input and the output streams for a particular
// client,
// ask the client's name, informs all the clients currently connected to the
// server about the fact that a new client has joined the chat room,
// and as long as it receive data, echos that data back to all other clients.
// When the client leaves the chat room this thread informs also all the
// clients about that and terminates.
class clientThread extends Thread {
DataInputStream is = null;
PrintStream os = null;
Socket clientSocket = null;
clientThread t[];
public clientThread(Socket clientSocket, clientThread[] t) {
this.clientSocket = clientSocket;
this.t = t;
}
public void run() {
String line;
String name;
try {
is = new DataInputStream(clientSocket.getInputStream());
os = new PrintStream(clientSocket.getOutputStream());
os.println("Enter your name.");
name = is.readLine();
os.println("Hello " + name
+ " you can now start chatting with all the connected chat-mates");
for (int i = 0; i <= 9; i++)
if (t[i] != null && t[i] != this)
t[i].os.println(".." + name + " has entered the chat room ..");
while (true) {
line = is.readLine();
if (line.startsWith("/quit"))
break;
for (int i = 0; i <= 9; i++)
if (t[i] != null)
t[i].os.println("<" + name + "> " + line);
}
for (int i = 0; i <= 9; i++)
if (t[i] != null && t[i] != this)
t[i].os.println("" + name + " has left the chat room ..");
os.println("Bye " + name + " ..");
// Clean up:
// Set to null the current thread variable such that other client
// could
// be accepted by the server
for (int i = 0; i <= 9; i++)
if (t[i] == this)
t[i] = null;
// close the output stream
// close the input stream
// close the socket
is.close();
os.close();
clientSocket.close();
} catch (IOException e) {
}
;
}
}
At the moment I have an exchange server which enables shared calendars. I would like to use Javascript to write to a shared calendar i.e. add a event. Can this be done? I have a google blogger site on which I want to run a PHP script. The problem is that blogger doesn't have a PHP interpreter. So I was thinking, can I run the php file on a remote server that supports php, and load the result in a div in blogger? Thx! Hi Chaps, I have JavaScript code, that exports a HTML table to MS Excel. This works fine on my development (local) server, however, it fails to work on my 'live' IIS server. Once I click on the Export link, I confirm the "Export to Microsoft Excel?" message, then nothing happens. I am not sure if MS Excel needs to be installed on the server or not? If anyone has any ideas, I'd be most grateful: Code: <script language="javascript" type="text/javascript">
function ExportToExcel() {
input_box=confirm("Export to Microsoft Excel?");
if (input_box==true) {
var xlApp = new ActiveXObject("Excel.Application");
// Silent-mode:
xlApp.Visible = true;
xlApp.DisplayAlerts = false;
var xlBook = xlApp.Workbooks.Add();
xlBook.worksheets("Sheet1").activate;
var XlSheet = xlBook.activeSheet;
XlSheet.Name="Report";
// Store the sheet header names in an array
var rows = tblrepeat.getElementsByTagName("tr");
var columns = tblrepeat.getElementsByTagName("th");
var data = tblrepeat.getElementsByTagName("td");
// Set Excel Column Headers and formatting from array
for(i=0;i<columns.length;i++){
XlSheet.cells(2).value= "Projects - All";
XlSheet.cells(3,i+1).value= columns[i].innerText; //XlSheetHeader[i];
XlSheet.cells(3,i+1).font.color="6";
XlSheet.cells(3,i+1).font.bold="true";
XlSheet.cells(3,i+1).interior.colorindex="37";
XlSheet.Range("A1:B1000").HorizontalAlignment = -4131;
}
//run over the dynamic result table and pull out the values and insert into corresponding Excel cells
var d = 0;
for (r=4;r<rows.length+3;r++) { // start at row 2 as we've added in headers - so also add in another row!
for (c=1;c<columns.length+1;c++) {
XlSheet.cells(r,c).value = data[d].innerText;
d = d + 1;
}
}
//autofit the columns
XlSheet.columns.autofit;
// Make visible:
xlApp.visible = true;
xlApp.DisplayAlerts = true;
CollectGarbage();
//xlApp.Quit();
}
}
</script>
Ok my lab6 at http://opentech.durhamcollege.ca/~in...rittains/labs/ is conflicting with my interface as it is php... is there a better way for me to do this that will allow it to not conflict? PHP Code: <?php $title = "Lab6"; include "head.php"; ?> <style type="text/css"> table, td, th { border: 1px solid red; } </style> <?php function convert($i) { $CtoF= 9.0/5.0*$i + 32; return $CtoF; } ?> <td> <?php $error = ""; $result = ""; if($_SERVER["REQUEST_METHOD"] == "GET") { $start = ""; $stop = ""; $increment = ""; } else if($_SERVER["REQUEST_METHOD"] == "POST") { $start = trim($_POST["startTemp"]); $stop = trim($_POST["stopTemp"]); $increment = trim($_POST["incrementTemp"]); if(!isset($start) || $start == "") { $error .= "<br/>Please enter number to declare a starting value."; } else if(!is_numeric($start)) { $error .= "<br/>The value entered <b>MUST</b> be a number, you entered: " . $start; $start = ""; } if(!isset($stop) || $stop == "") { $error .= "<br/>Please enter number to declare a ending value."; } else if(!is_numeric($stop)){ $error .= "<br/>The value entered <b>MUST</b> be a number, you entered: " . $stop; $stop = ""; } if(!isset($increment) || $increment == "") { $error .= "<br/>Please enter number to declare a increment value."; } else if(!is_numeric($increment)){ $error .= "<br/>The value entered <u>MUST</u> be a number, you entered: " . $increment; $increment = ""; } if($error == "") { $result .= "<table class='phpTable'>"; $result .= "<tr><th>Celsius</th>"; $result .= "<th>Fahrenheit</th></tr>"; for ($i = $start; $i <= $stop; $i += $increment) { $result .= "<tr><td>" . $i; $result .= "°</td><td>"; $result .= convert($i); $result .= "°</td></tr>"; } $result .= "</table>"; } else { $error .= "<br/>Please Try Again"; } } ?> <script type="text/javascript"> /*var error = "<?php echo $error; ?>"; document.getElementById('error').innerHTML = error; var result = "<?php echo $result; ?>"; document.getElementById('result').innerHTML = result;*/ </script> <h2 id="error"><?php echo $error; ?></h2> <form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="POST" > Starting Temperatu <input type="text" name="startTemp" value="<?php echo $start; ?>" size="5"/> <br/> Stop Temperatu <input type="text" name="stopTemp" value="<?php echo $stop; ?>" size="5"/> <br/> Temperature Increment: <input type="text" name="incrementTemp" value="<?php echo $increment; ?>" size="5"/> <br/> <input type="submit" name="submit" value="Submit"/> </form> <h2 id="result"><?php echo $result; ?></h2> <?php include "foot.php"; ?> The assignment was supposed to be done in PHP. But I want to know if there is a better way either way. Like can I use AJAX instead of PHP to do that? or change the way the PHP works... something anything... I recently coded a page that extracts certain nodes from an external XML file and prints a line of text on the webpage. It is an HTML page that is strictly devoted to this purpose. There is no other information on it. The page is currently stored locally on my computer, and when I open it, the script runs fine and outputs the correct text. However, when I transferred this script over to my web server, and locate it that way, it doesn't run correctly. When I go to the page, it is supposed to display a line of text at the top. It does when I run the file from my local machine, however when I open it from the server, it doesn't display this text. (Same browser, same computer) When I right-click and view the source, all the code is there, and the files are identical. Any idea as to why the script runs correctly only when I open the HTML page locally? I appreciate any help or advice. Thanks! if the proxy is an intermediary between the client and the requested url could that url be sent to two different clients in response? so in stead of this [client]<-->[proxy]<-->[website] it would be this [client1]<-->[proxy]<-->[website] .................. / ...........[client2] meaning if [client1] requests "google.com" on the proxy server the proxy server will request "google.com" and send it back to [client1] as well as [client2] it would just be url sharing between two people, like a real time delicious.com Hi, I am trying to access an XML file from a server in my JavaScript code. I have an XML file like this: -<stream version="1.2"> -<room id="simulator" time="128168557915"> -<dimention id=0 x="1.25" y="2.00"> <m mcu="160" sid="75"> </dimention> </room> -<room id="simulator" time="128168557928"> -<dimention id=0 x="1.95" y="1.86"> <m mcu="160" sid="55"> </dimention> </room> </stream> this file is generated by an application and I can access it from a URL ( since I am using the simulator for this application the XML is accessible from http://localhost:8081/feed/demo) This xml file is updated every few seconds and constantly growing. I have a javascript code which I've added the following code to it in order to use the data from XML file: <script type="text/javascript"> if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.open("GET","http://localhost:8081/feed/demo",false); xmlhttp.send(); xmlDoc=xmlhttp.responseXML; document.write("<table border='1'>"); var x=xmlDoc.getElementsByTagName("room"); for (i=0;i<x.length;i++) { document.write("<tr><td>"); document.write(xmlDoc.getElementsByTagName("dimention")[i].getAttribute("x")); document.write("</td><td>"); } document.write("</table>"); </script> Now here comes my problem: if I have the XML file saved on same drive as html page and I address it like this: xmlhttp.open("GET","floor.xml",false); it works fine, but when I pass the URL it doesn't. is there anything else I should do in case of loading the xml from URL? my second question is that I want to use the text values returned by xmlDoc.getElementsByTagName("dimention")[i].getAttribute("x") in an if statement like this : if (valuereturned = 2.00) { do sth } what is the best way to do that, since the returned value is a text. I need the answer ASAP and I really appreciate your help, thanx :-) Hi, I am hosting my website in free server (freehostia.com) and i am using joomla1.5 . I want to parse RSS from my other websites. Joomla does it with its modules. But the server do not allow outbound HTTP request, hence i had use rss-to-javascript website to parse RSS feeds. It parses well but there is its advertisement below the feed (which i think is nonsense). The link it provides is in the format of <script src="http://somethin.com/somdfile.php?parse=.."></script> when i put the link in my browser i see following document.write("string of my parsed xml file with advertisement at end"); What i want to do is get the sting of above line and edit it to chop off the end advertisement. if there was any method to load that output sting in any variable, the task would had been completed. If anybody knows how to do it, please help me. Hey I've created a new homepage for my cubecart shop, but when I upload it it doesn't display, I've check all resources and they are all being loaded Here is the site: http://www.genyx.co.uk/ Here is what it is supposed to look like: http://www.genyx.co.uk/Genyx%20Theme/html/index.htm Can anyone help? ok, i'm sure you all will laugh at this, but it seems really bizzario to me. i have two small routines worked out. routine G gets a value out of the db and brings it back to the browser script. routine P puts a value into the db from the browser script. they both run fine. but......... you have to turn the browser totally off and restart it after retrieving a value out of the db (?) why? is this some kind of "clear memory" i need to be doing. its like the last value i retrieved thru the server is stuck in memory and keeps coming up, and it won't flush out until i turn the browser off and restart it. is this a Javascript problem or a PHP problem? i dont' have a clue, maybe i need to somehow flush the memory in the PHP file after i echo() back the result.? is that normal? thanks, Paul Hello there, I am using Dynamic Drive's dhtml windowfile and when I had a link for it to call the popup window, it makes my site deliver a 500 server error. Here is the line of code I'm adding: Code: echo '<td><a class="link" href="#" onClick="ajaxwin=dhtmlwindow.open('ajaxbox', 'ajax', 'pages/post.php', 'Composing Mode: Post', 'width=650px,height=400px,left=300px,top=100px,resize=0,scrolling=1'); return false">Compose</a></td>';
It is not a php issue, I plaintext the link and it still did the same thing. Dear friend , I am uploading text file on html page , that text file lies on desktop and getting updated at every hour . I will keep my html page on server so how will it upload that text file from my desktop ? it is being generated by one cloud sensor . |
|||||||