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javascript, XmlHttpRequest, PHP, and daemon

Started by"sl@exabyte" <sb5309@hotmail.com>
First post2012-03-01 21:15 +0800
Last post2012-03-02 00:09 +0800
Articles 5 — 5 participants

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  javascript, XmlHttpRequest, PHP, and daemon "sl@exabyte" <sb5309@hotmail.com> - 2012-03-01 21:15 +0800
    Re: javascript, XmlHttpRequest, PHP, and daemon The Natural Philosopher <tnp@invalid.invalid> - 2012-03-01 14:05 +0000
      Re: javascript, XmlHttpRequest, PHP, and daemon Erwin Moller <erwinmollerusenet@xs4all.nl> - 2012-03-01 15:28 +0100
    Re: javascript, XmlHttpRequest, PHP, and daemon Jerry Stuckle <jstucklex@attglobal.net> - 2012-03-01 09:05 -0500
      Re: javascript, XmlHttpRequest, PHP, and daemon "SL" <sb5309@hotmail.com> - 2012-03-02 00:09 +0800

#5054 — javascript, XmlHttpRequest, PHP, and daemon

From"sl@exabyte" <sb5309@hotmail.com>
Date2012-03-01 21:15 +0800
Subjectjavascript, XmlHttpRequest, PHP, and daemon
Message-ID<jinsps$io3$1@news.albasani.net>
Rather than banging my head, I think I shall ask the experts first.

From a web page, using javascript, there is no way to talk and listen to a 
daemon on linux ( I gathered from folks here).

1. Using javascript I can send data to a PHP file and wait for it reply (aka 
AJAX).

2. Assume that the PHP file is on the same server running the daemon.

Question
---------

Can I do this:

I send my data to a PHP file via XmlHttpRequest; the PHP file communicates 
with the daemon and get its reply, after which the PHP will return the 
result to my javascript ?

Thanks folks (forgive me if it is stupid). 

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#5060

FromThe Natural Philosopher <tnp@invalid.invalid>
Date2012-03-01 14:05 +0000
Message-ID<jinvnf$nm2$1@news.albasani.net>
In reply to#5054
sl@exabyte wrote:
> Rather than banging my head, I think I shall ask the experts first.
> 
> From a web page, using javascript, there is no way to talk and listen to a 
> daemon on linux ( I gathered from folks here).
> 

There is.

web sockets.

> 1. Using javascript I can send data to a PHP file and wait for it reply (aka 
> AJAX).
> 
yes.

> 2. Assume that the PHP file is on the same server running the daemon.
> 
> Question
> ---------
> 
> Can I do this:
> 
> I send my data to a PHP file via XmlHttpRequest; the PHP file communicates 
> with the daemon and get its reply, after which the PHP will return the 
> result to my javascript ?
> 
yes.

> Thanks folks (forgive me if it is stupid). 
> 
> 


-- 
To people who know nothing, anything is possible.
To people who know too much, it is a sad fact
that they know how little is really possible -
and how hard it is to achieve it.

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#5064

FromErwin Moller <erwinmollerusenet@xs4all.nl>
Date2012-03-01 15:28 +0100
Message-ID<4f4f8771$0$6973$e4fe514c@news2.news.xs4all.nl>
In reply to#5060
On 3/1/2012 3:05 PM, The Natural Philosopher wrote:
> sl@exabyte wrote:
>> Rather than banging my head, I think I shall ask the experts first.
>>
>> From a web page, using javascript, there is no way to talk and listen
>> to a daemon on linux ( I gathered from folks here).
>>
>
> There is.
>
> web sockets.

Websocket?
Too early to advice that.

http://en.wikipedia.org/wiki/Web_socket#Browser_support

Maybe in a few years, but now is too early.
He can better implement the XHR approach if he wants it to work today. :-)

Regards,
Erwin Moller

-- 
"That which can be asserted without evidence, can be dismissed without 
evidence."
-- Christopher Hitchens

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#5061

FromJerry Stuckle <jstucklex@attglobal.net>
Date2012-03-01 09:05 -0500
Message-ID<jinvnp$3p5$1@dont-email.me>
In reply to#5054
On 3/1/2012 8:15 AM, sl@exabyte wrote:
> Rather than banging my head, I think I shall ask the experts first.
>
>  From a web page, using javascript, there is no way to talk and listen to a
> daemon on linux ( I gathered from folks here).
>
> 1. Using javascript I can send data to a PHP file and wait for it reply (aka
> AJAX).
>
> 2. Assume that the PHP file is on the same server running the daemon.
>
> Question
> ---------
>
> Can I do this:
>
> I send my data to a PHP file via XmlHttpRequest; the PHP file communicates
> with the daemon and get its reply, after which the PHP will return the
> result to my javascript ?
>
> Thanks folks (forgive me if it is stupid).
>
>

How is the PHP script going to communicate with the daemon?

Why are you beating your head against the wall trying to reinvent the wheel?

-- 
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
==================

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#5067

From"SL" <sb5309@hotmail.com>
Date2012-03-02 00:09 +0800
Message-ID<jio70f$718$1@news.albasani.net>
In reply to#5061
> How is the PHP script going to communicate with the daemon?

Using socket in PHP, localhost, port number which the daemon is listening. 
Not possible on a web server ?

> Why are you beating your head against the wall trying to reinvent the
> wheel?

Just cross my mind whether this is a possibility. Possibly a poor man's 
option. 

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