Thanks Murphy. I guess 2nd option is the better to go with. Can I use boost.python for that? And I guess plain messenger is exposed to python. There are messenger.py and messenger.cpp/hh files corresponding to plain messenger.
-Harshil From: Murphy McCauley [mailto:jam...@nau.edu] Sent: Wednesday, December 21, 2011 2:33 PM To: Harshil Anil Kumar Shah Cc: Kyriakos Zarifis; nox-dev@noxrepo.org Subject: Re: [nox-dev] Nox messenger example for external c++ and nox python So NOX's messenger is a fairly generic method for communicating with external applications over a socket. Built on top of this is jsonmessenger which communicates JSON messages over a socket. If you specifically want to use protobufs (and not JSON messages), then you'd want to use the plain messenger. However, the plain messenger is not exposed to Python -- only jsonmessenger is. So I think your options are: 1) Use JSON messages instead of protobufs, and just use jsonmessenger 2) Expose messenger to Python, and then use this to send/receive protobufs 3) Use protobufs and roll your own method for communicating with your external application (probably using Twisted) -- Murphy On Dec 20, 2011, at 11:02 PM, Harshil Anil Kumar Shah wrote: Hi Murphy. Yes, I have external C++ module which I want to communicate with Nox python module using protobuf. I am using libjson library at C++ module. -Harshil. From: Murphy McCauley [mailto:jam...@nau.edu] Sent: Wednesday, December 21, 2011 1:38 AM To: Harshil Anil Kumar Shah Cc: Kyriakos Zarifis; nox-dev@noxrepo.org<mailto:nox-dev@noxrepo.org> Subject: Re: [nox-dev] Nox messenger example for external c++ and nox python Do you mean that you have some external program (written in C++) that you want to communicate with a NOX component (written in Python)? jsonmessenger works by sending and receiving JSON (http://json.org) messages. So on the NOX side, you use jsonmessenger. In the external program, you can use any of several libraries for doing JSON encoding/decoding. -- Murphy On Dec 20, 2011, at 1:09 AM, Harshil Anil Kumar Shah wrote: Hi, In my case where external module is C++ then can I use "pyobject" to interact with python module? From: Harshil Anil Kumar Shah Sent: Monday, December 19, 2011 3:32 PM To: 'Kyriakos Zarifis' Cc: nox-dev@noxrepo.org<mailto:nox-dev@noxrepo.org> Subject: RE: [nox-dev] Nox messenger example for external c++ and nox python Thanks Zarifis... I looked at GUI example. It seems very useful. But in my case, client is external C++ module. So in that case do I have to use use messenger.cpp?? -Harshil. From: nox-dev-boun...@noxrepo.org<mailto:nox-dev-boun...@noxrepo.org> [mailto:nox-dev-boun...@noxrepo.org] On Behalf Of Kyriakos Zarifis Sent: Monday, December 19, 2011 1:38 PM To: Harshil Anil Kumar Shah Cc: nox-dev@noxrepo.org<mailto:nox-dev@noxrepo.org> Subject: Re: [nox-dev] Nox messenger example for external c++ and nox python Hi Harshil, it might not be the simplest example, but the GUI communicates with NOX using the messenger, so taking a look at that code might be a good starting point. Specifically, the file communication.py is responsible on the GUI side. Similarly on the NOX side, the code that uses the messenger to send messages to the GUI is inside the respective component that talks to the GUI. The component "monitoring" is one of them. Some of this is documented on the wiki here: http://noxrepo.org/noxwiki/index.php/NOX_GUI#Connecting_a_subview_to_a_NOX_component On Sun, Dec 18, 2011 at 10:41 PM, Harshil Anil Kumar Shah <harshil_s...@infosys.com<mailto:harshil_s...@infosys.com>> wrote: Hi, I want to exchange messages between external C++ module and python module in Nox using protobuf messages. I browsed through couple of posts, I figured out I can use coreapps/messenger. Can I get some working example how messenger code can be used for message exchange between external c++ and nox python module. 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