[zeromq-dev] noncontiguous buffers in message frames

2016-10-14 Thread Max Kozlovsky
Hi,

I wrote some code to support noncontiguous buffers in message frames -
https://github.com/maxkozlovsky/zeromq4-1/commit/befc4e1c7de
dbf0b9e5641d19e877a19f0f6db16.

Please let me know if you would like to use it in some form, I can get it
to more production quality if necessary.

Max
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Re: [zeromq-dev] Just want to say hi

2016-10-14 Thread Mehdi Sadeghi
I have once published a python package onto pypi. There are also tools like
Wercker that allow to do certain actions upon some triggers happening on
Github. I think it is possible to automate the publish chain after a
successful build. I'll look at it.

On 14 October 2016 at 14:06, Kevin Sapper  wrote:

> Hi Wes,
>
> Neat!
>
> By "package management" I've referred to pip or easy_install (not sure if
> they're the same) which are the common way to install python libraries.
>
> It would be really great if we could integrate this into our automatic
> deployment. Whenever the pip deployment is ready let me know then we can
> integrate it in zproject.
>
> //Kevin
>
> 2016-10-14 13:48 GMT+02:00 Wes Young :
>
>> i started banging away sort of at this:
>>
>> https://github.com/wesyoung/pyzyre
>> https://github.com/wesyoung/pyczmq
>>
>> these leverage what pyzmq did in terms of “build the C stuff from source
>> and embed the .so locally, use the generated c-bindings on top of that”
>> (made some patches to zproject to load a local .so properly).
>>
>> there’s still a ways to go; but idea being you could get czmq / zyre
>> bindings from a pip command (testing that is about where i’m at..)
>>
>> also; adds “pyczmq|pyzyre” into the mix as a module so we can build more
>> “pythonic” abstractions on top czmq|zyre while still providing the low
>> level stuff “as is” (you can still 'import czmq; ..’)
>>
>> i’m also assuming by “package management” you’re meaning RPM|PPA, etc..
>> but wanted to throw in pip as well.
>>
>> fwiw..
>>
>> > On Oct 14, 2016, at 2:10 AM, Kevin Sapper 
>> wrote:
>> >
>> > - As you seem to know python. For our C projects we have binding
>> generators for python which work fine but the binding code is currently not
>> deployed to a package management system.
>> > See zproject [1] for the binding generator and czmq [2] as a example
>> for the generated bindings.
>> >
>> > - A consensus implementation might be useful for zyre [3]. Probably as
>> another library on top of zyre.
>> >
>>
>> --
>> wes
>> wesyoung.me
>>
>>
>> ___
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>> zeromq-dev@lists.zeromq.org
>> http://lists.zeromq.org/mailman/listinfo/zeromq-dev
>>
>
>
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Re: [zeromq-dev] Just want to say hi

2016-10-14 Thread Kevin Sapper
Hi Wes,

Neat!

By "package management" I've referred to pip or easy_install (not sure if
they're the same) which are the common way to install python libraries.

It would be really great if we could integrate this into our automatic
deployment. Whenever the pip deployment is ready let me know then we can
integrate it in zproject.

//Kevin

2016-10-14 13:48 GMT+02:00 Wes Young :

> i started banging away sort of at this:
>
> https://github.com/wesyoung/pyzyre
> https://github.com/wesyoung/pyczmq
>
> these leverage what pyzmq did in terms of “build the C stuff from source
> and embed the .so locally, use the generated c-bindings on top of that”
> (made some patches to zproject to load a local .so properly).
>
> there’s still a ways to go; but idea being you could get czmq / zyre
> bindings from a pip command (testing that is about where i’m at..)
>
> also; adds “pyczmq|pyzyre” into the mix as a module so we can build more
> “pythonic” abstractions on top czmq|zyre while still providing the low
> level stuff “as is” (you can still 'import czmq; ..’)
>
> i’m also assuming by “package management” you’re meaning RPM|PPA, etc..
> but wanted to throw in pip as well.
>
> fwiw..
>
> > On Oct 14, 2016, at 2:10 AM, Kevin Sapper 
> wrote:
> >
> > - As you seem to know python. For our C projects we have binding
> generators for python which work fine but the binding code is currently not
> deployed to a package management system.
> > See zproject [1] for the binding generator and czmq [2] as a example for
> the generated bindings.
> >
> > - A consensus implementation might be useful for zyre [3]. Probably as
> another library on top of zyre.
> >
>
> --
> wes
> wesyoung.me
>
>
> ___
> zeromq-dev mailing list
> zeromq-dev@lists.zeromq.org
> http://lists.zeromq.org/mailman/listinfo/zeromq-dev
>
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Re: [zeromq-dev] Just want to say hi

2016-10-14 Thread Wes Young
i started banging away sort of at this:

https://github.com/wesyoung/pyzyre
https://github.com/wesyoung/pyczmq

these leverage what pyzmq did in terms of “build the C stuff from source and 
embed the .so locally, use the generated c-bindings on top of that” (made some 
patches to zproject to load a local .so properly).

there’s still a ways to go; but idea being you could get czmq / zyre bindings 
from a pip command (testing that is about where i’m at..)

also; adds “pyczmq|pyzyre” into the mix as a module so we can build more 
“pythonic” abstractions on top czmq|zyre while still providing the low level 
stuff “as is” (you can still 'import czmq; ..’)

i’m also assuming by “package management” you’re meaning RPM|PPA, etc.. but 
wanted to throw in pip as well.

fwiw..

> On Oct 14, 2016, at 2:10 AM, Kevin Sapper  wrote:
> 
> - As you seem to know python. For our C projects we have binding generators 
> for python which work fine but the binding code is currently not deployed to 
> a package management system.
> See zproject [1] for the binding generator and czmq [2] as a example for the 
> generated bindings.
> 
> - A consensus implementation might be useful for zyre [3]. Probably as 
> another library on top of zyre.
> 

--
wes
wesyoung.me



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Re: [zeromq-dev] ZeroMQ Curve Publish Subscribe

2016-10-14 Thread LENFERINK Roy
Hi Alex,

Thanks for your answer and explanation. It is now a bit more clear.
I also gave a look on the blogs of Pieter and this private / public key system 
is for authenticating the subscribers and after you are authenticated some 
short-term keys are exchanged.
So what I did, I created a .curve directory on my publisher with the public key 
of the subscriber, and only the subscriber has the private key (and keeps it 
private).
So now only the subscriber can connect to the socket of the publisher. And then 
they are securely exchanging the data which will be send between publisher and 
subscriber.

Thanks!

Greetings,
Roy


-Original Message-
From: zeromq-dev [mailto:zeromq-dev-boun...@lists.zeromq.org] On Behalf Of alex.
Sent: Thursday, 13 October, 2016 17:00
To: zeromq-dev@lists.zeromq.org
Subject: Re: [zeromq-dev] ZeroMQ Curve Publish Subscribe

Hi Roy,

it seems you are convoluting how ZeroMQ and CurveMQ work. ZMQ simply abstracts 
how clients talk over a network. Pub-Sub is a fine example of that since you, 
as a developer can write programs where clients can fan-out messages, i.e. from 
one node to many others in one direction.
This does not mean, however, that this is what actually happens. In fact, ZMQ 
opens as many (bidirectional) TCP connections between the publisher and all the 
subscribers and sends pretty much the same message from the publisher to all 
the subscribers, each in its own connection.

What this means for encryption is that the high-level message you send is 
actually encrypted with the public key of each subscriber and then sent 
individually. In fact, a single subscriber could never decrypt a message that 
was sent to another subscriber.

TL;DR it just _seems_ as though the publisher is "encrypting" the message once 
with his private key, but in fact the message is encrypted as many times as 
there are subscribers.

Cheers!
alex.



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