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Date: Thu, 14 Feb 2013 15:50:17 +0100
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Subject: Re: [PHP-DEV] File system watcher/monitoring
From: ivan.enderlin@hoa-project.net ("Ivan Enderlin @ Hoa")

Hi Sebastian,


On 14/02/13 15:40, Sebastian Krebs wrote:
> 2013/2/14 Ivan Enderlin @ Hoa <ivan.enderlin@hoa-project.net>
>
>> Hello Julien,
>>
>>
>> On 14/02/13 15:29, Julien Pauli wrote:
>>
>>> On Thu, Feb 14, 2013 at 3:03 PM, Ivan Enderlin @ Hoa <
>>> ivan.enderlin@hoa-project.net> wrote:
>>>
>>>   Hi internal,
>>>> A missing feature in PHP is a file system watcher/monitoring availab=
le
>>>> for
>>>> almost all platforms. On Linux, we have inotify (available in PHP th=
rough
>>>> pecl/inotify), on Mac OS X, we have /dev/fsevents (not available in =
PHP,
>>>> since we need ioctl to do that in pure PHP =97and sudo=97, no C exte=
nsion
>>>> needed), on FreeBSD, we have FAM, and on Windows, we have
>>>> FileSystemWatcher
>>>> in .NET. All major platforms have a solution ready to use.
>>>>
>>>> By now, if we didn't use these solutions, we should use a finder (th=
anks
>>>> to RecursiveIteratorIterator and DirectoryIterator in SPL) that runs=

>>>> every
>>>> n seconds and compute a diff with the previous run. This solution wo=
rks
>>>> fine for a small set of files but it can slow for a big one. This is=

>>>> just a
>>>> tricky solution, not a proper one.
>>>>
>>>> Possible domains where it is needed: test, CI, log, file transfering=
,
>>>> security etc.
>>>>
>>>> Is it possible to have such a feature landing in PHP (core if karma
>>>> allows
>>>> it)? or do you want such a feature?
>>>>
>>>> Best regards :-).
>>>>
>>> Hello :-)
>>>
>>> I don't see why we would have such a thing into PHP Core.
>>> We are already smooth about the file system accesses with a realpath
>>> cache,
>>> and users may use different pecl ext if they want to take hand on a l=
ib
>>> such as inotify.
>>>
>> Well ok, forget PHP core, but an extension would be great.
>
> At least for inotify there is an extension, which works quite fine. Nev=
er
> searched something similar for other OSs.
I have written: =93On Linux, we have inotify (available in PHP through=20
pecl/inotify)=94, so yup, I know for inotify :-). I propose to gather all=
=20
these API and give a proper one to the end-user.

--=20
Ivan Enderlin
Developer of Hoa
http://hoa-project.net/

PhD. student at DISC/Femto-ST (Vesontio) and INRIA (Cassis)
http://disc.univ-fcomte.fr/ and http://www.inria.fr/

Member of HTML and WebApps Working Group of W3C
http://w3.org/