Re: Wake on LAN (The Magic Packet)

I know that our Engineers have looked at this the last couple of times it's
been asked for (or I keep asking them, and they patiently explain it to me
again.)

I'll see what I can do.

 -- seth

-----Original Message-----
From: Turtle Beach Audiotron User Forum
[mailto:AUDIOTRON@xxxxxxxxxxxxxxxxxxxx]On Behalf Of Johannes
Rosenmoeller
Sent: Monday, March 15, 2004 7:33 PM
To: AUDIOTRON@xxxxxxxxxxxxxxxxxxxx
Subject: Re: [AT] Wake on LAN (The Magic Packet)


Hi Konrad
Thanx for your comments.

You mention 2 problems: Unpredictable results and timeouts.
I see both a bit different.

Sending a magic packet is a very specific thing, takes no time at all and
does not produce any timeout at all.
(This is around a 100bytes in broadcast mode, a short header and 16times the
mac address)
I would like the AT to just broadcast it once on not finding a song and not
wait for the result. (skipping is already implemented)
This might lead indeed to skipping over the first songs, but the server
would eventually be up, if it is setup for Wake On LAN.

If a computer/server with that MAC address is not setup in that specific way
and is at that time in hibernation or standby, it would just have not any
effect at all.

Seth: You could implement that ex user interface and nobody would notice :-)

Regards
Johannes


-----Original Message-----
From: owner-audiotron@xxxxxxxxxxxxxxxxxxxx
[mailto:owner-audiotron@xxxxxxxxxxxxxxxxxxxx]On Behalf Of DW_PUB1
Sent: 15 March 2004 23:02
To: AUDIOTRON@xxxxxxxxxxxxxxxxxxxx
Subject: Re: [AT] Wake on LAN (The Magic Packet)


Hello Johannes,

indeed an interesting topic.

> Option 1 Without any user interface. Cache MAC addresses
> of servers contacted before On no reply from host send magic packet

I see difficulties there. It could give unpredictable results and some
unwanted
switching of the computers.
Also we are running into long timeouts when playing music and the server is
gone. Most people prefer a quick skipping over the missing songs (me, too).

Option 2 has the same problem

>Option 3)
>Allow users to enter MAC addresses of servers manually in the setup
>On no reply from host send magic packet

This seems to be the onliest practicable solution, but only in a special
way:

If you switch on the AT with the front panel switch, it checks for a short
time
the availability of the server(s). At that point it could send the wakeup
signal. I think this could be easily implemented. Seth? ;-))

Regards Konrad



On Sun, 14 Mar 2004 09:23:25 +0100, Johannes Rosenmoeller wrote:

>Hi Seth
>After having waited for the MT (and I have to admit being a bit
>disappointed), I just bought two more Audiotrons for the house (having my
>first since 2001).
>
>My setup is a regular W2K based PC in the basement.
>It is constantly on and goes into hibernation after 30 min of inactivity to
>save power.
>I can trigger it to wake up by sending a 'Magic Packet' via my Laptop or
the
>IPAQ I use to control the setup.
>
>It would be of course way cooler, if the Auditron could send the 'Magic
>Packet' instead.
>As you know, we have discussed this issue in this group before and I just
>have the hope, with the MT project dead or delayed that you might be able
to
>sneak this in now.
>
>The magic packet used by the IBM/Intel standard to wake computers is just
>sending the MAC address of the LAN adapter 16 times
>Sample code for the implementation in C# can be found here:
>http://www.codeproject.com/csharp/cswol.asp
>To my best knowledge there are no royalties or anything else due on using
>this commercially.
>Almost all motherboards support this functionality today.
>I have a freeware utility for my IPAQ which works great, as such it works
>also under Windows CE/PocketPC.
>
>It could be implemented in the following way:
>
>Option 1)
>Without any user interface.
>- Cache MAC addresses of servers contacted before
>- On no reply from host send magic packet
>
>Option 2)
>With simple user interface
>Same as option one, but allow user to switch on and off this functionality
>in setup
>
>Option 3)
>Allow users to enter MAC addresses of servers manually in the setup
>On no reply from host send magic packet
>
>I personally prefer option 1) as sending the packet is very quick and will
>under hardly any circumstances be detrimental. This solution would only
>require the server to be up once after an Audiotron reboot to catch the MAC
>address during a scan for caching. MAC address hardly ever changes and we
>all reset our Audiotrons often enough to not make this an issue :-).
>This would mean that no changes in user interface would be required.
>
>Seth if you want to know more about this setup, feel free to also contact
me
>off list.
>
>Would be great if this would work.
>
>Anybody else who knows a reliable workaround for this is off course also
>welcome to help.
>
>Johannes
>
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