[NTLK] Einstein, Newton, and the Internets

[Bryan N Iotti]

Newt's Cape, also for the book creation process...

If I can think of others, I'll surely chime in again.

	Bryan
On Jun 3, 2010, at 19:02 , Matthias Melcher wrote:

> 
> Hi Newtonians,
> 
> in an effort to get the emulated Newton into the Internets (ya'know, those connected pipes) I have added some code to Einstein and written a Newton driver.
> 
> It's not done yet, but the goal is to be able to connect to NCX and other network resources. To finish the network emulator, I need test cases. 
> 
> 
> Please list applications that you use regularly to access network functionality and that you think could be useful on Einstein. Thanks.
> 
> 
> - Matthias
> 
> ---
> 
> Technical:
> 
> So far, the driver itself works and I can receive and send network packages.
> 
> What's missing though is the emulation of the network itself. This is per se not a Newton issue, but a much more general issue for any emulator. I have started to write a quite complex emulator that is nice because it works on every host without root access.
> 
> Well, it's a complex task and it will probably be still a few week until Courier can browse the 'Net. But for those who are interested, I submitted the code changes to the Google Code repository. Feel free to browse, add, fix, suggest, and help.
> 
> 
>> From the source code:
> 
> USERMODE NETWORK HANDLER
> 
> The user mode Network handler works by emulating an ethernet card on a 
> pretty low level for the Newton. To use the network, the NIE2.0 and the 
> Einstein NE2000 driver must be installed on the Newton. By inserting
> the NE2000 card, the driver will be activated and all network calls
> will be forwarded to the Network Handler that was loaded at startup.
> 
> All packats from the Newton are at the lowest network level. It is up to
> the handler to simulate or forward packets to the host or host network.
> The Newton expects to receive packets on the same low level, so we must
> generate the network header, IPv4 header, and TCP or UDP header ourselves.
> 
> CURRENT STATUS
> 
> At the current stage the driver is loaded correctly and all call forwarding 
> works. We can send and receive packets. A simuated ARP packet and a DNS
> request via UDP are accepted by the Newton.
> 
> NEXT ACTION
> 
> Next we need to implement handlers for all types of packages that we want
> to support. Forwarding packages that the Newton sends should be relatively
> easy. Generating the correct reply is a bit more complex.
> 
> A working TCP protocol will allow web browsing and possibly reading mail.
> 
> The goal is to set up a connection to NCX, Newtsync or Escale running locally. 
> 
> 
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