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From Alan Conway <acon...@redhat.com>
Subject Re: qpid monitoring tool in GO
Date Tue, 15 Nov 2016 16:48:12 GMT
On Thu, 2016-11-03 at 10:46 -0700, rammohan ganapavarapu wrote:
> Alan,
> 
> I have that qpid-proton-c-devel but still getting this error when do
> go get
> 
> # qpid.apache.org/amqp
> golang/src/qpid.apache.org/amqp/types.go:33:9: expected (unqualified)
> identifier
> [root@gohost ~]# rpm -qa |grep qpid-proton-c-devel
> qpid-proton-c-devel-0.14.0-1.el6.x86_64
> 
> Ram
> 

Thanks Ram. It works for me on fedora 24 with 
   proton-c-devel.x86_64 0.14.0-1.fc24
             
What does `rpm -q proton-c-devel` say for you? The RHEL package is
probably older, I tested against past proton source releases but the
RHEL package may have something I missed.

> On Wed, Nov 2, 2016 at 10:27 AM, Alan Conway <aconway@redhat.com>
> wrote:
> 
> > 
> > On Tue, 2016-11-01 at 12:20 -0700, rammohan ganapavarapu wrote:
> > > 
> > > I have "qpid-proton-c-0.14.0-1.el6.x86_64" installed and my
> > > borker
> > > version
> > > is "qpid-cpp-server-1.35.0-2.el6.x86_64" so the proton-c rpm
> > > version
> > > is not
> > > right?
> > > 
> > 
> > You need qpid-proton-c-devel RPM for the header files which are
> > used to
> > compile the Go binding. With that you should be able to
> > 
> >    go get qpid.apache.org/electron
> > 
> > Note I updated it yesterday, so if it didn't work before, try
> > again.
> > 
> > > 
> > > Ram
> > > 
> > > On Thu, Oct 27, 2016 at 2:05 PM, Alan Conway <aconway@redhat.com>
> > > wrote:
> > > 
> > > > 
> > > > 
> > > > On Thu, 2016-10-27 at 10:16 -0700, rammohan ganapavarapu wrote:
> > > > > 
> > > > > 
> > > > > Alan,
> > > > > 
> > > > > I was trying to use this one http://godoc.org/github.com/stre
> > > > > adwa
> > > > > y/am
> > > > > qp
> > > > > 
> > > > > but not sure if it will work with any qpid broker or not, i
> > > > > am
> > > > > getting
> > > > > "2016/10/27 04:09:48 Exception (501) Reason: "Exception (501)
> > > > > Reason:
> > > > > \"frame could not be parsed\"""
> > > > > 
> > > > 
> > > > First, make sure your qpidd is built & configured to support
> > > > AMQP
> > > > 1.0.
> > > > The go client doesn't speak the older 0-10 version that qpidd
> > > > also
> > > > uses, but qpidd has spoken AMQP 1.0 for a long time so that
> > > > shouldn't
> > > > be a problem.
> > > > 
> > > > Second: The Go client is a wrapper for a C library, there may
> > > > be a
> > > > mismatch between the Go code and the proton-C library you have
> > > > installed. I would suggest downloading the latest proton
> > > > release
> > > > from
> > > > 
> > > >   http://qpid.apache.org/proton/
> > > > 
> > > > and use the matching C and Go code from the release. We will
> > > > figure
> > > > out
> > > > a better story for managing that relationship but we haven't
> > > > yet :(
> > > > 
> > > > Otherwise if you have to work with some specific (reasonably
> > > > recent)
> > > > older released version of proton I can help you get it working.
> > > > 
> > > > Please let me know how you get on - like I said I'd like to add
> > > > a
> > > > generic request-response pattern to the electron package.
> > > > 
> > > > > 
> > > > > 
> > > > > Thanks,
> > > > > Ram
> > > > > 
> > > > > 
> > > > > On Thu, Oct 27, 2016 at 7:42 AM, Alan Conway <aconway@redhat.
> > > > > com>
> > > > > wrote:
> > > > > 
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > > On Wed, 2016-10-26 at 21:05 -0700, rammohan ganapavarapu
> > > > > > wrote:
> > > > > > > 
> > > > > > > 
> > > > > > > 
> > > > > > > Hi,
> > > > > > > 
> > > > > > > I am trying to write a qpid-stat tool in go, any one
> > > > > > > attempted to
> > > > > > > do
> > > > > > > it, if
> > > > > > > so can you please share your ideas? or if you have any
> > > > > > > documents
> > > > > > > on
> > > > > > > how to
> > > > > > > write please share.
> > > > > > > 
> > > > > > > Thanks,
> > > > > > > Ram
> > > > > > 
> > > > > > For a Go client I recommend the qpid.apache.org/electron
> > > > > > package
> > > > > > which
> > > > > > is part of the Proton project.
> > > > > > 
> > > > > > https://github.com/apache/qpid-proton/tree/master/examples/
> > > > > > go
> > > > > > 
> > > > > > To work with the latest you should use the code from the
> > > > > > proton
> > > > > > repo
> > > > > > rather than the `go get` version as it is still progressing
> > > > > > rapidly.
> > > > > > 
> > > > > > qpid-stat and the other qpid tools are based on the
> > > > > > request-
> > > > > > response
> > > > > > message pattern: send a correctly-formatted QMF request
> > > > > > message
> > > > > > with
> > > > > > correlation-id and then process the response message.
> > > > > > There's a
> > > > > > "canned" request-response pattern in python at:
> > > > > > 
> > > > > > https://github.com/apache/qpid-proton/blob/master/proton-c/
> > > > > > bind
> > > > > > ings
> > > > > > /pyt
> > > > > > hon/proton/utils.py
> > > > > > 
> > > > > > QMF messages are maps, so your main work will be to
> > > > > > construct
> > > > > > and
> > > > > > interpret nested maps with the right names/values. Look at
> > > > > > the
> > > > > > qpid-
> > > > > > stat sources and the qmf schemas here:
> > > > > > 
> > > > > > /home/aconway/qpid-cpp/src/qpid/acl/management-schema.xml
> > > > > > /home/aconway/qpid-cpp/src/qpid/broker/management-
> > > > > > schema.xml
> > > > > > /home/aconway/qpid-cpp/src/qpid/legacystore/management-
> > > > > > schema.xml
> > > > > > /home/aconway/qpid-cpp/src/qpid/ha/management-schema.xml
> > > > > > /home/aconway/qpid-cpp/src/qpid/linearstore/management-
> > > > > > schema.xml
> > > > > > 
> > > > > > You are probably mostly/only interested in the broker
> > > > > > schema.
> > > > > > 
> > > > > > I am very interested in this as I worked on the Go binding
> > > > > > and
> > > > > > also
> > > > > > on
> > > > > > schema-driven management tools (in python) for qpid-
> > > > > > dispatch. I
> > > > > > would
> > > > > > like to add a canned "request-response" pattern to the Go
> > > > > > binding
> > > > > > which
> > > > > > would make your job easier, but I won't get to that in the
> > > > > > immediate
> > > > > > term so maybe you'll do it for me :) I'm happy to help with
> > > > > > pointers
> > > > > > and any problems you find in the Go binding.
> > > > > > 
> > > > > > Cheers,
> > > > > > Alan.
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > > 
> > > > > > ---------------------------------------------------------
> > > > > > ----
> > > > > > ----
> > > > > > ----
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> > > > > > 
> > > > > > 
> > > > 
> > > > 
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> > > > 
> > 
> > 
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