Re: freevo2 trunk: tvserver rpc address bind failure

  On 04/08/2010 3:57, Jason Tackaberry wrote:
> On Tue, 2010-08-03 at 14:37 -0700, Alain Péteut wrote:
>> DEBUG sockets(397): Replacing dead unix socket at /tmp/kaa-1000/('localhost',
>> 7600)
> Notice here that it's using a UNIX socket instead of a TCP socket.
>
>>    File
>> "/home/alain/freevo-test/lib/python2.6/site-packages/tvserver/scheduler/rpc.py",
>> line 64, in listen
>>      ip, port = config.rpc.address.split(':')
>> ValueError: need more than 1 value to unpack
> It looks like dischi assumed that you'd always use a TCP socket in the
> form 'host:port'.
>
> kaa.Socket (which is the underlying socket class in kaa that RPC uses)
> itself is very liberal in terms of what it accepts for address formats,
> but the tvserver constrains it to just host:port.
>
> However, while you can specify 'localhost:1234' to establish a
> connection, you couldn't specify a hostname for listening sockets, which
> is what the rpc.address config value defines.  That is, 127.0.0.1:1234
> was valid but localhost:1234 wasn't.
>
> I added support for this.  Try updating kaa.base.
>
>
>> Configuration:
>> ...
>> # | IP address and port to use for inter-process communication
>> rpc.address =  ('localhost', 7600)
>> ...
> One important thing to note is that with freevo2 and kaa, config files
> are, unlike Freevo 1.x, not Python scripts that are interpreted, so a
> value like "('localhost', 7600)" is treated as a string and happens to
> not be a valid form.
>
> The correct form is host:port.  So this should work:
>
>     rpc.address = 127.0.0.1:7600
>
> Now, you said you got a socket.error here:
>
>>>   rpc.address = 127.0.0.1:7600
>>> leads to
>>> socket.error: [Error 22]  Invalid argument
> This was actually the exception traceback I was more interested in,
> because this should have worked (and it worked for me).  Can you update
> kaa.base and try to reproduce?  If it still happens, please provide the
> traceback.
>
> With kaa.base r4305, you should now be able to specify:
>
>     rpc.address = localhost:7600
>
> This would also work, if you want to listen on all interfaces:
>
>     rpc.address = :7600
>
> Thanks!
Hi Jason,

Is the tvserver ready for use? Any pointers on how to get started and 
what is supported at the moment?

John

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