Hello,

If you want a really simple UDP example there is a TFTP client that
uses the lwIP raw API. You can use the libc for "standard" sockets,
but if performance isn't much of a concern than I think starting out
with lwIP is a more pleasant choice.

https://github.com/genodelabs/genode-world/blob/master/src/server/tftp_rom/main.cc

There is some documentation on the raw API in the lwip contrib folder at
src/lib/lwip/doc/rawapi.txt


Emery

On Sun, May 15, 2016 at 06:45:04PM +0200, Rank Jerome wrote:
> Hello,
> 
> I am a beginner in operating system level programming and a novice in 
> the use of Genode OS.
> 
> I use Genode OS Framework 15.11 from the sourceforge download.
> I have carried out successfully the hello world introduction from the 
> 15.05 manual (Chapter 2.5) and the hello tutorial from the homepage, 
> but now I am stuck.
> 
> Scenario: I have a (non-genode) server (runs in another terminal) 
> which sents UDP packets.
> These UDP packets I would like to register within my program at Genode 
> OS (hw_zync) on a qemu-emulated Parallella Board.
> 
> For the Parallella Board the Genodes so called base-hw platform is to 
> be used.
> 
> I already know that there are network drivers within dde_ipxe and that 
> within the repository "os" under "net" and "nic" exists header files 
> (e.g ethernet.h, udp.h). Furthermore, I know that I need to include 
> the IP address within the run files somehow.
> I also can not find (not even with "find") the file <lwip/sockets.h>, 
> which is referrenced in some files (like ).
> 
> I do not know how I can achieve my implementation using this found 
> information. How can I access the network interface of Parallella 
> Board? How do I register UDP packets for further processing?
> 
> Has anyone in this regard already functioning implementation examples 
> which help me understand my desired realization.
> 
> with regards,
> Jerome
> 
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Mobile security can be enabling, not merely restricting. Employees who
bring their own devices (BYOD) to work are irked by the imposition of MDM
restrictions. Mobile Device Manager Plus allows you to control only the
apps on BYO-devices by containerizing them, leaving personal data untouched!
https://ad.doubleclick.net/ddm/clk/304595813;131938128;j
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