[rabbitmq-discuss] compatibility with legacy code

Dinabandhu Mitra Dinabandhu.Mitra at tecnotree.com
Tue Jan 12 05:50:24 GMT 2010 

Hi,

The sample programs are running. I plan to code a thin C++ wrapper over the C API and try it out.

Regards,
Dinabandhu

> -----Original Message-----
> From: Alexis Richardson [mailto:alexis.richardson at gmail.com]
> Sent: Monday, January 11, 2010 9:44 PM
> To: Dinabandhu Mitra
> Subject: Re: [rabbitmq-discuss] compatibility with legacy code
> 
> Great!
> 
> On Mon, Jan 11, 2010 at 3:34 PM, Dinabandhu Mitra
> <Dinabandhu.Mitra at tecnotree.com> wrote:
> > Hi Alexis,
> >
> > Yes :). At least managed to compile. Not tested though as yet.
> >
> > This is complete set of steps that I followed ... it should
> (hopefully) work for anyone using RHEL 4.8
> >
> > 1. Downloaded rabbitmq-codegen from http://hg.rabbitmq.com/rabbitmq-
> codegen/archive/default.tar.gz
> > 2. Downloaded rabbitmq-c from http://hg.rabbitmq.com/rabbitmq-
> c/archive/default.tar.gz
> > 3. Copied both to /home/dinu [my home directory].
> > 4. Download and install simplejson 2.0.5. from
> http://pypi.python.org/pypi/simplejson/2.0.5 .
> >   [The current latest version 2.0.9 is dependent on Python 2.4+ and I
> don't know if it will
> >   work on RHEL 4.8 which comes with python 2.3+.]
> > 5. tar -xvzf rabbitmq-c-default.tar.gz
> > 6. tar -xvzf rabbitmq-codegen-default.tar.gz
> > 7. mv rabbitmq-c-default rabbitmq-c
> > 8. mv rabbitmq-codegen-default rabbitmq-codegen
> > 9. cd rabbitmq-c
> > 10. Edit "configure.ac" file and make the following changes
> >        #sibling_codegen_dir="$ac_abs_confdir/../rabbitmq-codegen"
> >        sibling_codegen_dir="/home/dinu/rabbitmq-codegen"
> >   Note that this step was required in my environment. But that may be
> due
> >   to something broken in the server I am using and may not be
> necessary for everyone.
> > 11. autoreconf -i
> > 12. ./configure
> > 13. Edit librabbitmq/Makefile* (three files) and make the following
> modification in each
> >    #PYTHON=python2.5
> >    PYTHON=python
> > 14. make
> > 15. make install [I logged in as root to do the install but may not
> be necessary]
> >
> > Lastly, for people like me, for whom the word "python" relates only
> to a large serpent :),
> > this is how I built simplejson -
> >
> > 1. Download simplejson 2.0.5 source from
> http://pypi.python.org/pypi/simplejson/2.0.5
> > 2. tar -xvzf simplejson-2.0.5.tar.gz
> > 3. cd simplejson-2.0.5
> > 4. python ez_setup.py [I am not sure if this is necessary but I did
> this]
> > 5. python setup.py build
> > 6. python setup.py install
> > 7. I did above steps as root user.
> >
> > As of now, the library seems to have built and installed correctly
> ... i.e. I can see
> >
> > /usr/local/lib/librabbitmq.*
> > /usr/local/bin/amqp_* [I guess example binaries]
> > /usr/local/include/amqp*.h
> >
> > I will test the installation and keep you posted.
> >
> > Regards,
> > Dinabandhu
> >
> >> -----Original Message-----
> >> From: Alexis Richardson [mailto:alexis.richardson at gmail.com]
> >> Sent: Monday, January 11, 2010 5:00 PM
> >> To: Dinabandhu Mitra
> >> Cc: rabbitmq-discuss at lists.rabbitmq.com
> >> Subject: Re: [rabbitmq-discuss] compatibility with legacy code
> >>
> >> Dinabandhu
> >>
> >> How are you getting on?  Were you able to get the C client working?
> >>
> >> alexis
> >>
> >>
> >> On Fri, Jan 8, 2010 at 10:18 AM, Dinabandhu
> >> <dinabandhu.mitra at tecnotree.com> wrote:
> >> >
> >> > Hi Tony,
> >> >
> >> > I am trying to build this. I followed your links & instructions
> here.
> >> > configure still gives error saying it could not find AMQP spec
> file
> >> at
> >> > '/codegen/amqp-0.8.json'.
> >> >
> >> > This directory is of course wrong because the file is actually at
> >> > /home/dinu/rabbitmq-codegen.
> >> >
> >> > The variable $ac_abs_confdir is blank and that seems to be reason
> ...
> >> from
> >> > the configure script it looks like $ac_abs_confdir is expected to
> >> point to
> >> > the directory from where configure is being run. I don't know
> enough
> >> about
> >> > the autoconf tool chain to determine the root cause.
> >> >
> >> > I next modified configure.ac file to point sibling_codegen_dir to
> the
> >> > correct directory ...
> >> >
> >> > #sibling_codegen_dir="$ac_abs_confdir/../rabbitmq-codegen"
> >> > sibling_codegen_dir="/home/janus/dinu/rabbitmq-codegen"
> >> >
> >> > After this change the configure script went through. But make
> still
> >> fails
> >> > ...
> >> >
> >> > [dinu at j4 rabbitmq-c]$ make
> >> > make  all-recursive
> >> > make[1]: Entering directory `/home/dinu/rabbitmq-c'
> >> > Making all in librabbitmq
> >> > make[2]: Entering directory `/home/dinu/rabbitmq-c/librabbitmq'
> >> > PYTHONPATH=/home/dinu/rabbitmq-codegen python2.5 ./codegen.py
> header
> >> > /home/dinu/rabbitmq-codegen/amqp-0.8.json amqp_framing.h
> >> > /bin/sh: python2.5: command not found
> >> > make[2]: *** [amqp_framing.h] Error 127
> >> > make[2]: Leaving directory `/home/dinu/rabbitmq-c/librabbitmq'
> >> > make[1]: *** [all-recursive] Error 1
> >> > make[1]: Leaving directory `/home/dinu/rabbitmq-c'
> >> > make: *** [all] Error 2
> >> >
> >> > I don't have python2.5. what is there on my machine is python2.3.
> >> >
> >> > I am using RHEL 4.8 64 bit. Does the library expect some other
> >> distribution?
> >> > 5.x?
> >> >
> >> > I will try by modifying the script files ... but if you can
> provide
> >> some
> >> > pointers it would be good.
> >> >
> >> > Regards,
> >> > Dinabandhu
> >> >
> >> >
> >> > Tony Garnock-Jones-2 wrote:
> >> >>
> >> >> Hi Jim,
> >> >>
> >> >> Jim Irrer wrote:
> >> >>> checking location of AMQP codegen directory... configure: error:
> >> could
> >> >>> not find AMQP spec file at "'/codegen/amqp-0.9.1.json'"
> >> >>
> >> >> The MD5sum is correct, b50fd568311a052a45157631ba17c2b5, but are
> you
> >> >> sure you're really building the one you just downloaded? For me,
> >> using
> >> >> the file with the MD5sum you provided, I get:
> >> >>
> >> >> checking location of AMQP codegen directory... configure: error:
> >> could
> >> >> not find AMQP spec file at
> >> >> "'/Users/tonyg/qq/rabbitmq-c-default/codegen/amqp-0.8.json'"
> >> >>
> >> >> Note the 0.8 version number.
> >> >>
> >> >>> Am I supposed to get that file from somewhere else, or should it
> be
> >> in
> >> >>> the tarball?
> >> >>
> >> >> You should retrieve rabbitmq-codegen as well. Sorry for the
> >> incomplete
> >> >> instructions, I really must write this up properly and check it
> in.
> >> >> Here's a complete recipe for building the C client and examples,
> on
> >> the
> >> >> 0-8 branch.
> >> >>
> >> >>  curl http://hg.rabbitmq.com/rabbitmq-
> >> codegen/archive/default.tar.gz\
> >> >>   | tar -zxf -
> >> >>  curl http://hg.rabbitmq.com/rabbitmq-c/archive/default.tar.gz\
> >> >>   | tar -zxf -
> >> >>  mv rabbitmq-codegen-default rabbitmq-codegen
> >> >>  mv rabbitmq-c-default rabbitmq-c
> >> >>  cd rabbitmq-c
> >> >>  autoreconf -i
> >> >>  ./configure
> >> >>  make
> >> >>
> >> >> Alternatively, if you have mercurial installed:
> >> >>
> >> >>  hg clone http://hg.rabbitmq.com/rabbitmq-codegen
> >> >>  hg clone http://hg.rabbitmq.com/rabbitmq-c
> >> >>  cd rabbitmq-c
> >> >>  autoreconf -i
> >> >>  ./configure
> >> >>  make
> >> >>
> >> >>> Also, I have doubts that this will work anyway, because the
> >> RabbitMQ
> >> >>> server
> >> >>> is running at version 0.8, so it won't be compatible with this
> >> client.
> >> >>
> >> >> The "default" branches of both the C client and the server are
> for
> >> 0-8,
> >> >> and do work together.
> >> >>
> >> >> Cheers,
> >> >>   Tony
> >> >>
> >> >> _______________________________________________
> >> >> rabbitmq-discuss mailing list
> >> >> rabbitmq-discuss at lists.rabbitmq.com
> >> >> http://lists.rabbitmq.com/cgi-bin/mailman/listinfo/rabbitmq-
> discuss
> >> >>
> >> >>
> >> >
> >> > --
> >> > View this message in context: http://old.nabble.com/compatibility-
> >> with-legacy-code-tp26197670p27073885.html
> >> > Sent from the RabbitMQ mailing list archive at Nabble.com.
> >> >
> >> >
> >> > _______________________________________________
> >> > rabbitmq-discuss mailing list
> >> > rabbitmq-discuss at lists.rabbitmq.com
> >> > http://lists.rabbitmq.com/cgi-bin/mailman/listinfo/rabbitmq-
> discuss
> >> >
> >

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