Re: [Mono-list] USB hardware detection using Mono on Linux

[Marek Habersack]

Danny Haak wrote:
> Hi,
Hello,

> That seems like a good approach, but on the HAL site it states that "HAL
> is in maintenance mode - no new features are added. All future
> development focuses on Software/DeviceKit-disks,
> Software/DeviceKit-power, NetworkManager, PulseAudio, udev, ... " [1].
> Therefore, it seems not a good idea to me to use it in new software.
You won't be using HAL directly though. By connecting to DBus and listening for 
events there you 
will separate yourself from whatever backend is being used by DBus to generate 
and deliver the 
notifications (right now it's HAL, tomorrow it might be something else - you 
won't care).

regards,

marek
> 
> Best regards,
> Danny
> 
> [1]: http://www.freedesktop.org/wiki/Software/hal
> 
> -Original Message-
> From: mono-list-boun...@lists.ximian.com
> [mailto:mono-list-boun...@lists.ximian.com] On Behalf Of Adam Tauno
> Williams
> Sent: dinsdag 18 augustus 2009 12:49
> To: mono-list
> Subject: Re: [Mono-list] USB hardware detection using Mono on Linux
> 
> On Tue, 2009-08-18 at 12:06 +0200, Danny Haak wrote:
>> Hi all,
>> I am currently writing a piece of software that needs to detect which 
>> USB devices are attached to the computer. Event-based notifications of
> 
>> attaching and detaching hardware while the software is running is 
>> nice, but not required.
>> I first used DeviceKit-Sharp (by Ben Gamari), but when observing a bug
> 
>> and asking the DeviceKit mailing-list, Kay Sievers answered: "The 
>> DeviceKit daemon is dead and will not run, or be installed on any 
>> usual system. You need to use libudev, or the GUdev to retrieve this 
>> information." This is a pity, because DeviceKit was working nicely, 
>> despite the bug in the daemon.
>> I can't find any Mono-bindings for libudev, and diving deeper in the 
>> documentation, libudev seems quite low-level and talking to HAL. 
>> Looking for HAL abstractions, I discovered that HAL will be obsolete 
>> as well in the near future. This leaves me completely confused about 
>> 'the way to go' for hardware detection in Mono on Linux. Is there 
>> anybody who can suggest a (sort of) future-proof approach to this?
> 
> I believe you can attach to the system D-BUS and you will receive HAL
> events.   <http://www.ndesk.org/DBus_Documentation>
> --
> OpenGroupware developer: awill...@whitemice.org
> <http://whitemiceconsulting.blogspot.com/>
> OpenGroupare & Cyrus IMAPd documenation @
> <http://docs.opengroupware.org/Members/whitemice/wmogag/file_view>
> 
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Re: [Mono-list] USB hardware detection using Mono on Linux

[Danny Haak]

Hi,

That seems like a good approach, but on the HAL site it states that "HAL
is in maintenance mode - no new features are added. All future
development focuses on Software/DeviceKit-disks,
Software/DeviceKit-power, NetworkManager, PulseAudio, udev, ... " [1].
Therefore, it seems not a good idea to me to use it in new software.

Best regards,
Danny

[1]: http://www.freedesktop.org/wiki/Software/hal

-Original Message-
From: mono-list-boun...@lists.ximian.com
[mailto:mono-list-boun...@lists.ximian.com] On Behalf Of Adam Tauno
Williams
Sent: dinsdag 18 augustus 2009 12:49
To: mono-list
Subject: Re: [Mono-list] USB hardware detection using Mono on Linux

On Tue, 2009-08-18 at 12:06 +0200, Danny Haak wrote:
> Hi all,
> I am currently writing a piece of software that needs to detect which 
> USB devices are attached to the computer. Event-based notifications of

> attaching and detaching hardware while the software is running is 
> nice, but not required.
> I first used DeviceKit-Sharp (by Ben Gamari), but when observing a bug

> and asking the DeviceKit mailing-list, Kay Sievers answered: "The 
> DeviceKit daemon is dead and will not run, or be installed on any 
> usual system. You need to use libudev, or the GUdev to retrieve this 
> information." This is a pity, because DeviceKit was working nicely, 
> despite the bug in the daemon.
> I can't find any Mono-bindings for libudev, and diving deeper in the 
> documentation, libudev seems quite low-level and talking to HAL. 
> Looking for HAL abstractions, I discovered that HAL will be obsolete 
> as well in the near future. This leaves me completely confused about 
> 'the way to go' for hardware detection in Mono on Linux. Is there 
> anybody who can suggest a (sort of) future-proof approach to this?

I believe you can attach to the system D-BUS and you will receive HAL
events.   <http://www.ndesk.org/DBus_Documentation>
--
OpenGroupware developer: awill...@whitemice.org
<http://whitemiceconsulting.blogspot.com/>
OpenGroupare & Cyrus IMAPd documenation @
<http://docs.opengroupware.org/Members/whitemice/wmogag/file_view>

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Re: [Mono-list] USB hardware detection using Mono on Linux

[Adam Tauno Williams]

On Tue, 2009-08-18 at 12:06 +0200, Danny Haak wrote:
> Hi all,
> I am currently writing a piece of software that needs to detect which
> USB devices are attached to the computer. Event-based notifications of
> attaching and detaching hardware while the software is running is nice,
> but not required.
> I first used DeviceKit-Sharp (by Ben Gamari), but when observing a bug
> and asking the DeviceKit mailing-list, Kay Sievers answered: "The
> DeviceKit daemon is dead and will not run, or be installed on any usual
> system. You need to use libudev, or the GUdev to retrieve this
> information." This is a pity, because DeviceKit was working nicely,
> despite the bug in the daemon.
> I can't find any Mono-bindings for libudev, and diving deeper in the
> documentation, libudev seems quite low-level and talking to HAL. Looking
> for HAL abstractions, I discovered that HAL will be obsolete as well in
> the near future. This leaves me completely confused about 'the way to
> go' for hardware detection in Mono on Linux. Is there anybody who can
> suggest a (sort of) future-proof approach to this?

I believe you can attach to the system D-BUS and you will receive HAL
events.   
-- 
OpenGroupware developer: awill...@whitemice.org

OpenGroupare & Cyrus IMAPd documenation @


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[Mono-list] USB hardware detection using Mono on Linux

[Danny Haak]

Hi all,

I am currently writing a piece of software that needs to detect which
USB devices are attached to the computer. Event-based notifications of
attaching and detaching hardware while the software is running is nice,
but not required.

I first used DeviceKit-Sharp (by Ben Gamari), but when observing a bug
and asking the DeviceKit mailing-list, Kay Sievers answered: "The
DeviceKit daemon is dead and will not run, or be installed on any usual
system. You need to use libudev, or the GUdev to retrieve this
information." This is a pity, because DeviceKit was working nicely,
despite the bug in the daemon.

I can't find any Mono-bindings for libudev, and diving deeper in the
documentation, libudev seems quite low-level and talking to HAL. Looking
for HAL abstractions, I discovered that HAL will be obsolete as well in
the near future. This leaves me completely confused about 'the way to
go' for hardware detection in Mono on Linux. Is there anybody who can
suggest a (sort of) future-proof approach to this?

Thanks, best regards,
Danny Haak

-- 
Product Developer RFID (UHF)
Nedap Retail Support
e: danny.h...@nedap.com
t: +31 544 471568
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