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Posted to users@felix.apache.org by Dave King <dj...@gmail.com> on 2009/10/05 21:32:25 UTC
Dynamic Loading of Remote Code?
Total new to OSGi but here's what I'm trying to do.
We receive a connection request that specifies the protocol version.
We don't have a driver for the request protocol version.
We download the driver for the requested version from the requesting
client and start up a handler that version of the protocol.
I understand that OSGi can handle multiple versions of the same class
hierarchy so that why we're looking at OSGi.
As of version 4, I think it should be able to handle the dynamic side
of this as well.
Any wag as to how hard this would be to do with iPOGO? Am I insane or
is there a tutorial that does that and I've missed it?
We'd need to customize the dynamic deployment of code, but I have no
idea where to start looking for that.
Any help appreciated.
- Peace
Dave
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Re: Dynamic Loading of Remote Code?
Posted by Ben Coughlan <be...@gmail.com>.
No, that would work just fine. You'll also find you can install from
a URL, so if you're drivers are hosted on a web server, you can point
directly at http://example.com/driver.jar. The downloaded bundle is
cached somewhere within your OSGi runtime filesystem.
If you're really keen, you can use the OSGi Bundle Repository to help
resolve all of the driver bundles dependencies too.
Ben
On 06/10/2009, at 10:00 AM, Dave King wrote:
> To answer my own question: looks like this would be doable via the
> installBundle method from org.osgi.framework.BundleContext.
>
> The Felix File Install is a good example of doing this by watching for
> new files in a directory.
>
> Anyone care to disagree?
>
> - Peace
> Dave
>
>
> On Mon, Oct 5, 2009 at 1:32 PM, Dave King <dj...@gmail.com> wrote:
>> Total new to OSGi but here's what I'm trying to do.
>>
>> We receive a connection request that specifies the protocol version.
>>
>> We don't have a driver for the request protocol version.
>>
>> We download the driver for the requested version from the requesting
>> client and start up a handler that version of the protocol.
>>
>> I understand that OSGi can handle multiple versions of the same class
>> hierarchy so that why we're looking at OSGi.
>>
>> As of version 4, I think it should be able to handle the dynamic side
>> of this as well.
>>
>> Any wag as to how hard this would be to do with iPOGO? Am I insane
>> or
>> is there a tutorial that does that and I've missed it?
>>
>> We'd need to customize the dynamic deployment of code, but I have no
>> idea where to start looking for that.
>>
>> Any help appreciated.
>>
>> - Peace
>> Dave
>>
>
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> To unsubscribe, e-mail: users-unsubscribe@felix.apache.org
> For additional commands, e-mail: users-help@felix.apache.org
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Re: Dynamic Loading of Remote Code?
Posted by Dave King <dj...@gmail.com>.
To answer my own question: looks like this would be doable via the
installBundle method from org.osgi.framework.BundleContext.
The Felix File Install is a good example of doing this by watching for
new files in a directory.
Anyone care to disagree?
- Peace
Dave
On Mon, Oct 5, 2009 at 1:32 PM, Dave King <dj...@gmail.com> wrote:
> Total new to OSGi but here's what I'm trying to do.
>
> We receive a connection request that specifies the protocol version.
>
> We don't have a driver for the request protocol version.
>
> We download the driver for the requested version from the requesting
> client and start up a handler that version of the protocol.
>
> I understand that OSGi can handle multiple versions of the same class
> hierarchy so that why we're looking at OSGi.
>
> As of version 4, I think it should be able to handle the dynamic side
> of this as well.
>
> Any wag as to how hard this would be to do with iPOGO? Am I insane or
> is there a tutorial that does that and I've missed it?
>
> We'd need to customize the dynamic deployment of code, but I have no
> idea where to start looking for that.
>
> Any help appreciated.
>
> - Peace
> Dave
>
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