Ok, I get the following when I try to listen to a stream:
----------------------------------------
Exception happened during processing of request from ('127.0.0.1',
32822)
Traceback (most recent call last):
File
"/usr/src/build/143041-i386/install/usr/lib/python2.2/SocketServer.py",
line 221, in handle_request
self.process_request(request, client_address)
File
"/usr/src/build/143041-i386/install/usr/lib/python2.2/SocketServer.py",
line 240, in process_request
self.finish_request(request, client_address)
File
"/usr/src/build/143041-i386/install/usr/lib/python2.2/SocketServer.py",
line 253, in finish_request
self.RequestHandlerClass(request, client_address, self)
File
"/usr/src/build/143041-i386/install/usr/lib/python2.2/SocketServer.py",
line 514, in __init__
self.handle()
File
"/usr/src/build/143041-i386/install/usr/lib/python2.2/BaseHTTPServer.py",
line 266, in handle
method()
File "./streamServer.py", line 14, in do_GET
doStream(urllib2.unquote(self.path[1:]), htl, self.wfile,
bufferTime*60)
File "./retrieveStream.py", line 103, in doStream
keys=retrieveKeyFancy(uri, htl*retries)
File "./common.py", line 244, in retrieveKeyFancy
d=retrieveKey(location, htl)
File "./common.py", line 280, in retrieveKey
s.send(dataString)
AttributeError: 'NoneType' object has no attribute 'send'
----------------------------------------
Am I the only person helping Fish to test this stuff?
Ian.
On Fri, Oct 25, 2002 at 03:42:53AM +1000, fish wrote:
>
> as usual, linux:
> http://www.dspaudio.com/~jaymz/fishstream-fec-linux.tar.gz
>
> win32:
> http://www.dspaudio.com/~jaymz/streamserver.zip
> http://www.dspaudio.com/~jaymz/freenet-encoder.zip
>
> So, this is the mythical test of using FEC encoding with 50%
> redundancy. i've included a binary of the new FEC module, however, you
> might have to build it yourself - i stole the code from nobody else, who
> is clearly much better at the whole module thing than I am :)
>
> the new test stream is at
> http://localhost:8892/SSK at kWu5Osv~VAI3-kH7z8QIVxklv-YPAgM/bgc2040-fec.ogg
> , however, it was only inserted at HTL=5, which means that it's patchy at
> best, for now (freenet seems ratehr fond of dropping data on the floor
> still, tho obviously less so now that we're DSB-Free(tm)) - on a clean
> transient node, I was only able to retrieve the first 4 minutes on my
> first attempt, and 7 on my second, before the DNF's set in. Better then
> I'd have done without FEC, but still, kinda sucks.
>
> However, things get a lot less pessemistic if you're running a permanent
> node. it seems that transient nodes are often nigh on useless when it
> comes to routing..... and the fact that things get better over time means
> that perhaps I should increase the number of retries (at 3, right now,
> with htl=htl+5 at the start of each), tho it's possible that this is
> perhaps a side effect of DNF caching (which i know makes sense in the
> context of the network blah blah, yeah, i'm aware of it's good points, not
> flaming)
>
> side note: i used to have a lot of success running a permanode behind a
> nat... i found it routed *much* better than a transient did iun hte same
> config. weird. But I havn't tried this for ages....
>
> Anyhow, about the FEC, currently, it's implented by using t second chunks,
> each FEC encoded into n/k chunks. the defaults for these t=60, n=6, k=4,
> which provides 50% redundancy on each minute of audio, and happens to be a
> good size that i don't need to use redirects to fit into keys (around 30k
> per fec block)
>
> oh, yeah, connecting and getting the stream started still takes *far* too
> long for my liking. I'm working on that... that's another one of those
> things that (a) inserting things at higher htl's and (b) being a permanode
> both help
>
> - fish
>
>
> _______________________________________________
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> devl at freenetproject.org
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--
Ian Clarke ian@[freenetproject.org|locut.us|cematics.com]
Latest Project http://cematics.com/kanzi
Personal Homepage http://locut.us/
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