[Pharo-project] Socket listenOn: 0 & accept

Eliot Miranda eliot.miranda at gmail.com
Thu Mar 15 13:58:26 EDT 2012


On Tue, Mar 13, 2012 at 4:43 AM, Sven Van Caekenberghe <sven at beta9.be>wrote:

> Can anyone please help me and show me where I should look if I wanted to
> see the exact C code implementing the socket primitives (for the Pharo
> built Cog VMs) ?
>

In trunk (and in my Cog vm source) they are in the directories

http://squeakvm.org/svn/squeak/trunk/platforms/{Cross,MacOS,unix,win32}/plugins/SocketPlugin

i.e. in all VMs locate the relevant platforms hierarchy and look
in platforms/{Cross,Mac OS,unix,win32}/plugins/SocketPlugin.


> On 09 Mar 2012, at 16:44, Sven Van Caekenberghe wrote:
>
> > Most socket API's allow for the creation of a server socket on the next
> available port, often by specifying 0 instead of a port. When the socket is
> bound, one can retrieve the local port and let the client(s) know. I tried
> to do that in Pharo today, and these steps seem to work, by accepting an
> incoming connection gives a primitive failed.
> >
> > Anyone tried this ?
> >
> > | socket |
> > socket := Socket newTCP.
> > socket listenOn: 0.
> > [ [
> >       Transcript crShow: 'Port is ', socket localPort printString.
> >       (socket waitForAcceptFor: 60)
> >               ifNotNil: [ :client | | data |
> >                       data := client receiveDataTimeout: 30.
> >                       Transcript crShow: 'Received ', data asString.
> >                       data ifNotNil: [ client sendData: data reverse;
> close ]
> >                       ].
> >       ] ensure: [ socket close ] ] fork.
> >
> > I am running the Pharo Cog VM on Mac OS X using Pharo 1.4.
> >
> > Thx,
> >
> > Sven
> >
>
>


-- 
best,
Eliot
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