AZMQ Boost Asio + ZeroMQ

Welcome

The azmq library provides Boost Asio style bindings for ZeroMQ

This library is built on top of ZeroMQ's standard C interface and is intended to work well with C++ applications which use the Boost libraries in general, and Asio in particular.

The main abstraction exposed by the library is azmq::socket which provides an Asio style socket interface to the underlying zeromq socket and interfaces with Asio's io_service(). The socket implementation participates in the io_service's reactor for asynchronous IO and may be freely mixed with other Asio socket types (raw TCP/UDP/Serial/etc.).

Building and installation

Building requires a recent version of CMake (2.8.12 or later for Visual Studio, 2.8 or later for the rest), and a C++ compiler which supports C++11. Currently this has been tested with -

• Xcode 5.1 on OS X 10.8
• Xcode 6 on OS X 10.9
• Xcode 6.4 on OS X 10.10
• Xcode 7.1 on OS X 10.11
• GCC 4.8 + Boost 1.48 on CentOS 6
• GCC 4.8 + Boost 1.53 on CentOS 7
• GCC 4.8 on Arch Linux and Ubuntu
• GCC 4.8 on Ubuntu
• GCC 5.3 + Boost 1.60 on Ubuntu
• Microsoft Visual Studio 2013 on Windows Server 2008 R2

Library dependencies are -

• Boost 1.48 or later
• ZeroMQ 4.0.x

Tests and example code require -

• Boost 1.54 or later

To build on Linux / OS X -

$ mkdir build && cd build
$ cmake ..
$ make
$ make test
$ make install

To build on Windows -

> mkdir build
> cd build
> cmake ..
> cmake --build . --config Release
> ctest . -C Release

You can also open Visual Studio solution from build directory after invoking CMake.

To change the default install location use -DCMAKE_INSTALL_PREFIX when invoking CMake.

To change where the build looks for Boost and ZeroMQ use -DBOOST_ROOT=<my custom Boost install> and -DZMQ_ROOT=<my custom ZeroMQ install> when invoking CMake. Or set BOOST_ROOT and ZMQ_ROOT environment variables.

Packaging via CPack

Building and packaging -

> mkdir build
> cd build
> cmake -DAZMQ_NO_TESTS=1 -DCPACK_PACKAGE_CONTACT=maintainer@example.com ..
> cpack -G TGZ
> cpack -G RPM
> cpack -G DEB

Example Code

This is an azmq version of the code presented in the ZeroMQ guide at http://zeromq.org/intro:read-the-manual

#include <azmq/socket.hpp>
#include <boost/asio.hpp>
#include <array>

namespace asio = boost::asio;

int main(int argc, char** argv) {
    asio::io_service ios;
    azmq::sub_socket subscriber(ios);
    subscriber.connect("tcp://192.168.55.112:5556");
    subscriber.connect("tcp://192.168.55.201:7721");
    subscriber.set_option(azmq::socket::subscribe("NASDAQ"));

    azmq::pub_socket publisher(ios);
    publisher.bind("ipc://nasdaq-feed");

    std::array<char, 256> buf;
    for (;;) {
        auto size = subscriber.receive(asio::buffer(buf));
        publisher.send(asio::buffer(buf));
    }
    return 0;
}

Further examples may be found in doc/examples

Build status

AZMQ build status

Copying

Use of this software is granted under the the BOOST 1.0 license (same as Boost Asio). For details see the file `LICENSE-BOOST_1_0 included with the distribution.

Contributing

AZMQ uses the C4.1 (Collective Code Construction Contract) process for contributions. See the accompanying CONTRIBUTING file for more information.