Hi, (i hope this is the right place to ask questions like below)
I am trying to use content type 'multipart/x-mixed-replace' to
achive server pushing and I have the following piece of code, which works
perfectly.
/* file.html */
function handleContent(event)
{
var result = event.target.responseXML;
}
var xrequest = new XMLHttpRequest();
xrequest.multipart = true;
xrequest.open("GET","file.php",true);
xrequest.onload = handleContent;
xrequest.send(null);
/* file.php */
<?php
header('Content-type: multipart/x-mixed-replace;boundary="rn9012"');
print "--rn9012\n";
/*
With these prints i can generate an event on the browser side.
For instance if I would like to wait for sg to happen on the server
side i can
make an infinite loop and wait. when sg happens i just print the event.
*/
while (true) {
print "Content-type: application/xml\n\n";
print "<?xml version='1.0'?>\n";
print "<content>event1</content>\n";
print "--rn9012\n";
flush();ob_flush();
}
sleep(5);
/* I close the connection with this event. Closing tag: with 2 extra -- */
print "Content-type: application/xml\n\n";
print "<?xml version='1.0'?>\n";
print "<content>last event</content>\n";
print "--rn9012--\n";
?>
BUT I have to keep an infinite loop on the server side for each clients
just to be able to send and event (let's say in every 3rd hour)
Is there a way with which i can keep the connection without the infinite loop,
and send the event message to the client from a different php file?
/* file2.php */
<?php
/* this is what i wish */
send_event_toclient(clientid, eventmessage);
//clientid: id of the client that i had saved before
//i think this id should be sg socket where i can write the output to.
?>
I hope I cound explain my problem clearly
thank you in advance
Christian Guttmann
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