[reSIProcate] rendIt on osx

[Scott Godin]

Hi Jason,

Welcome back from the dead!  : )

RendIt was contributed by Logitech.  It was used solely in a unix
environment.  When I added the code the SVN for them, I got things to build
in Windows as well.  I think it's safe to say that it hasn't been tested
under OS/X yet.  I think you are on the right track with using "fdset"
(also used under Windows) - but I can't explain why you are having trouble
binding to port 5060 - other than it is potentially in use on your machine
(I'm also assuming that the IP printed in the logs is correct:
192.168.0.129).  Is it also binding to the same interface using IPV6?

As for "event" - the intention was to have the code pick the best method
based on the compiler options and OS: this means "epoll" for OS's that
support it and FdSet for those that do not.  Here are some docs from
testStack.cxx:

    event       Each stack runs in its own thread, and that thread
                is an interruptable event-loop based thread. The specific
                type of event-loop depends upon the underlying platform
                and how you compiled the stack.

    epoll       Like "event", but specifically uses the epoll implmentation.

    fdset       Like "event", but specifically uses the FdSet/select
                implmentation.

Scott


On Wed, Aug 28, 2013 at 6:45 PM, Jason Fischl <jason.fischl at gmail.com>wrote:

> Hey guys (I'm back from the dead),
>
> I'm trying to get rendIt working on osx. I'm running into problems
> with what I think is the code related to epoll - which is not
> available on OSX. rendIt has likely only been tested on linux in the
> past.
>
> RendRunner.cxx is instantiating a resip::EventStackSimpleMgr with
> implName = "epoll". I thought that I could work around this issue by
> changing implName to "fdset". However, when I do this, here's what I
> see when the sip stack tries to bind to the UDP port on 5060.
>
> DEBUG | 20130828-153716.954 | rend | RESIP:TRANSPORT | 0x7fff773d9180
> | InternalTransport.cxx:115 | Creating fd=12 V4/UDP
> DEBUG | 20130828-153716.954 | rend | RESIP:TRANSPORT | 0x7fff773d9180
> | InternalTransport.cxx:123 | Binding to 192.168.0.129
> INFO | 20130828-153716.954 | rend | RESIP:TRANSPORT | 0x7fff773d9180 |
> Transport.cxx:199 | Some other error (49): Can't assign requested
> address
> ERR | 20130828-153716.954 | rend | RESIP:TRANSPORT | 0x7fff773d9180 |
> InternalTransport.cxx:137 | Could not bind to [ V4 192.168.0.129:5060
> UDP target domain=unspecified mFlowKey=12 ]
> DEBUG | 20130828-153716.954 | rend | RESIP | 0x7fff773d9180 |
> BaseException.cxx:21 | BaseException at InternalTransport.cxx:138
> Could not use port
> ERR | 20130828-153716.956 | rend | RESIP | 0x7fff773d9180 |
> SipStack.cxx:425 | Failed to create transport: V4 UDP 5060 on
> 192.168.0.129: TransportException Could not use port @
> InternalTransport.cxx:138
>
>
> Any ideas what is going on here?
>
> Also, what is the implname = "event" supposed to mean? Is this
> unsupported? It looked to me like maybe it was intended to support
> libevent on other platforms but I can't find code referring to it
> anywhere.
>
> Thanks
> Jason
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