[Coco] Tutorial on Telnet/inetd on Coco3 DW4 (is there one?)

Fri Oct 12 06:01:47 EDT 2012

On Friday 12 October 2012 05:57:57 Aaron Wolfe did opine:

> That's not good.
> 
> Are you still using the nightly disk that has other issues?  I wonder if
> this is another.  The dw command output is a stream, not sector based
> and the largest single transfer of bytes possible in the stream is 255,
> not 256.  So... I think it is very unlikely that the output of the dw s
> l command actually contained 256 0s aligned perfectly with a sector
> boundary..  which I think means that the bit after the redirect is
> where things went wrong.  Dw4 will create zero filled sectors to pad
> out a file when necessary... if you have a file with 10 sectors in it
> and write to sector 12, 11 will be created and zero filled.  Its
> possible an entire write operation went missing?  Did you notice any
> errors or warnings on the server log screen?  And, is it consistent or
> do multiple runs yield different results?  Fwiw this and every other
> transfer I've tested work fine here, but I am running an older disk
> generated from my own clone of the source which is not current...  bit
> of a mess.
> 
> Anyway, scary because it seems likely the problem is actually in the
> sector write, which would likely effect any write op, not just those
> writing the output of a dw download.  Hrmmmm .  Need to sort this out. 
>  If you could submit a bug report with all boxes checked after running
> that command, I'll look through it for any clues.

Let me add a PS of sorts here.  Early on in my attempts to recover /dd 
after a format /s1 went aglay, I tried to use /x1 as a work disk for 
dcheck.  It went completely bonkers, like dcheck030 was sent to /dev/null.

Every attempt since has worked perfectly.  snilmerG?
> 
>  On Oct 12, 2012 4:15 AM, "Bob Devries" <devries.bob at gmail.com> wrote:
> > Hi Aaron.
> > 
> > I tried out one of your suggestions, like this:
> >> dw s l
> >> ftp://www.rtsi.com/OS9/OS9_**6X09/ezgen.lzh<ftp://www.rtsi.com/OS9/O
> >> S9_6X09/ezgen.lzh>> /dd/work/ezgen.lzh
> > 
> > and I found that the resultant file was corrupted. One 256 byte block
> > in the file was filled with nulls $00.
> > 
> > Thinking that the file might be corrupt on RTSI, I downloaded it with
> > my favourite ftp programme (LeapFTP) and the file came across
> > perfectly.
> > 
> > Is there some condition which would cause DW to substitute a block of
> > nulls in the file. The file using DW was also shorter by 153 bytes.
> > 
> > Regards, Bob Devries
> > Dalby, QLD, Australia
> > 
> > ----- Original Message ----- From: "Aaron Wolfe" <aawolfe at gmail.com>
> > To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
> > Sent: Friday, October 12, 2012 2:53 PM
> > Subject: Re: [Coco] Tutorial on Telnet/inetd on Coco3 DW4 (is there
> > one?)
> > 
> >  On Thu, Oct 11, 2012 at 9:30 PM, Bob Devries <devries.bob at gmail.com>
> >  
> >> wrote:
> >>> I guess what we need is a realiable way to add a file to an existing
> >>> .DSK or
> >>> .VHD file. Not sure if wimgtool.exe will fill the bill, or what
> >>> you'd use on
> >>> Linux.
> >> 
> >> If you'd like to do this directly from the CoCo, the commands 'dw
> >> server list' and 'dw server dir' are an easy way.
> >> 
> >> To bring a file from your windows machine into the CoCo's disk:
> >> 
> >> dw s l c:\coco\somefile.b09 > /dd/work/somefile.b09
> >> 
> >> Or, maybe you want to bring a file from a web site or ftp site into
> >> the CoCo's disk:
> >> 
> >> dw s l
> >> ftp://www.rtsi.com/OS9/OS9_**6X09/ezgen.lzh<ftp://www.rtsi.com/OS9/O
> >> S9_6X09/ezgen.lzh>> /dd/work/ezgen.lzh
> >> 
> >> A sort of poor man's FTP client in OS9:
> >> 
> >> {N2|03}/DD:dw s d
> >> ftp://www.rtsi.com/OS9/OS9_**6X09<ftp://www.rtsi.com/OS9/OS9_6X09>
> >> Directory of
> >> ftp://www.rtsi.com/OS9/OS9_**6X09<ftp://www.rtsi.com/OS9/OS9_6X09>
> >> 
> >> .bash_logout                  .bash_profile
> >> .bashrc                       .kde
> >> APPS                          ARCHIVERS
> >> COM                           CoCo_Projects.zip
> >> EMULATORS                     GAMES
> >> GLENSIDE                      GRAPHICS
> >> Glenside                      HARDWARE
> >> LANGUAGES                     PROG
> >> REFERENCE                     SOUNDUTILS
> >> SYSMODS                       TELECOM
> >> TXT                           UMUSE
> >> UTILITIES                     coco
> >> coco_archive.iso              coco_archive_gofd_readme.txt
> >> cocoos9.zip                   dagorpatch.zip
> >> ezgen.lzh                     fsr.lzh
> >> gofd.zip                      oscom10.zip
> >> vCoCo.cpt.Hqx.sit             xt-hd.lzh
> >> xt-rom.lzh
> >> {N2|03}/DD:
> >> 
> >> 
> >> So 'dw s l' will bring in pretty much anything local or remote, dump
> >> it to stdout where you can redirect into a local file on the coco,
> >> and 'dw s d' will list a directory of most anything that can provide
> >> a directory.
> >> 
> >> To go the other way, I'd suggest using httpd on OS9.  Add a line
> >> like:
> >> 
> >> 80,runb,httpd
> >> 
> >> to your inetd.conf, restart inetd and visit http://127.0.0.1/dd with
> >> a web browser on your server.
> >> you can browse the entire OS9 filesystem and download files with the
> >> browser.
> >> 
> >> -Aaron
> >> 
> >> --
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> >> Coco at maltedmedia.com
> >> http://five.pairlist.net/**mailman/listinfo/coco<http://five.pairlist
> >> .net/mailman/listinfo/coco>
> > 
> > --
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> > net/mailman/listinfo/coco>
> 
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Cheers, Gene
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