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How can i know when download finished?

 

How can i know when download finished?
livium

29 Jun, 2009 - 01:12 PM
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I have this obvious simple html script for downloading a file:

CODE

<div id="apDiv36"><a href="myfile.rar" ><img src="download.jpg" border="0"> </img> </a> </div>


This script does the following. When I press a picture of a download button, it downloads myfile.rar. So what i want to do is to increment in my database a value which determines how many times a file has been downloaded using the AJAX tehnic. But for that i need to know when the file was completely downloaded by user (using that windows wizard for standard download), so I can increment the value.
I don't want to increment the value if the user had cancelled the download at a specific time.
So how can i found out if the file was completely downloaded?

Thank you!

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nick1200

RE: How Can I Know When Download Finished?

29 Jun, 2009 - 01:18 PM
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easy make it so when the link or file has you call it is clicked it adds 1 to the database

a table in the database

so you would need a insert fuctions smile.gif
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livium

RE: How Can I Know When Download Finished?

29 Jun, 2009 - 01:22 PM
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QUOTE(nick1200 @ 29 Jun, 2009 - 01:18 PM) *

easy make it so when the link or file has you call it is clicked it adds 1 to the database

a table in the database

so you would need a insert fuctions smile.gif


i don't think you understood my question.

i want the file to be donwloaded completely, and then to insert an incremented value in db.

This post has been edited by livium: 29 Jun, 2009 - 01:22 PM
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nick1200

RE: How Can I Know When Download Finished?

29 Jun, 2009 - 01:37 PM
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QUOTE(livium @ 29 Jun, 2009 - 01:22 PM) *

QUOTE(nick1200 @ 29 Jun, 2009 - 01:18 PM) *

easy make it so when the link or file has you call it is clicked it adds 1 to the database

a table in the database

so you would need a insert fuctions smile.gif


i don't think you understood my question.

i want the file to be donwloaded completely, and then to insert an incremented value in db.



i dont think you can do that tongue.gif

thats why know 1 else is commenting

icon_up.gif


you would have to be real good at coding to know if its downloaded 100% onto some 1 else's computer
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livium

RE: How Can I Know When Download Finished?

29 Jun, 2009 - 02:02 PM
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hmmm... i think you're right.
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AdaHacker

RE: How Can I Know When Download Finished?

29 Jun, 2009 - 02:42 PM
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Well, you could download the file through a PHP script and do your database increment after the download completes. For example, something like this:
php

<?php
$path = "/path/to/myfile.rar";
# Add the appropriate content type header so the
# client knows what to do with the data.
header("Content-Type: application/x-rar-compressed");
# Read the file and dump it to the client
readfile($path);
# Post download code for database update etc. goes here

You would then link to this script instead of your RAR file. If the download gets canceled, the script should terminate and the post processing code will never run.

FYI, I have never tried this method in production, so I make no promises about its reliability.
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livium

RE: How Can I Know When Download Finished?

30 Jun, 2009 - 02:33 AM
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thanks, i will consider it.
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