zmq-prebuilt

Users | Contributors and Development | Maintainers

zmq-prebuilt: Your ready to use, prebuilt ØMQ bindings for Node.js.

ØMQ provides handy functionality when working with sockets. Yet, installing dependencies on your operating system or building ØMQ from source can lead to developer frustration.

zmq-prebuilt simplifies creating communications for a Node.js application by providing well-tested, ready to use ØMQ bindings. zmq-prebuilt supports all major operating systems, including:

OS X/Darwin 64-bit
Linux 64-bit
Windows (64-bit and 32-bit)

Use zmq-prebuilt and take advantage of the elegant simplicity of binaries.

Installation - Users

Prerequisites

We rely on prebuild.

Install zmq-prebuilt with the following:

npm install zmq-prebuilt

Now, prepare to be amazed by the wonders of binaries.

Usage

Replace require(zmq) in your code base with require(zmq-prebuilt). That's it. The wonder of binaries begins.

Installation - Contributors and Development

To set up zmq-prebuilt for development, fork this repository and clone your fork to your system. Be sure you have git-lfs installed.

Prerequisites for Linux

python (v2.7 recommended, v3.x.x is not supported)
make
wget
A proper C/C++ compiler toolchain, like GCC

Use your distribution's package manager to install.

Prerequisites for macOS

python (v2.7 recommended, v3.x.x is not supported): already installed on Mac OS X
Xcode Command Line Tools: Can be installed with xcode-select --install
wget: Can be installed via Homebrew with brew install wget

Prerequisites for Windows

Option 1: Install all the required tools and configurations using Microsoft's windows-build-tools by running npm install -g windows-build-tools from an elevated PowerShell (run as Administrator).
Option 2: Install dependencies and configuration manually
1. Visual C++ Build Environment:
- Option 1: Install Visual C++ Build Tools using the Default Install option.
- Option 2: Install Visual Studio 2015 (or modify an existing installation) and select Common Tools for Visual C++ during setup.
💡 [Windows Vista / 7 only] requires .NET Framework 4.5.1
1. Install Python 2.7 or Miniconda 2.7 (v3.x.x is not supported), and run npm config set python python2.7
2. Launch cmd, npm config set msvs_version 2015

Installation

Install a development version of zmq-prebuilt with the following:

npm install

Testing

Run the test suite using:

npm test

Running an example application

Several example applications are found in the examples directory. Use node to run an example. To run the 'subber' application, enter the following:

node examples/subber.js

Examples using zmq-prebuilt

Push/Pull

This example demonstrates how a producer pushes information onto a socket and how a worker pulls information from the socket.

producer.js

// producer.js
var zmq = require('zmq-prebuilt')
  , sock = zmq.socket('push');

sock.bindSync('tcp://127.0.0.1:3000');
console.log('Producer bound to port 3000');

setInterval(function(){
  console.log('sending work');
  sock.send('some work');
}, 500);

worker.js

// worker.js
var zmq = require('zmq-prebuilt')
  , sock = zmq.socket('pull');

sock.connect('tcp://127.0.0.1:3000');
console.log('Worker connected to port 3000');

sock.on('message', function(msg){
  console.log('work: %s', msg.toString());
});

Pub/Sub

This example demonstrates using zmq-prebuilt in a classic Pub/Sub, Publisher/Subscriber, application.

Publisher: pubber.js

// pubber.js
var zmq = require('zmq-prebuilt')
  , sock = zmq.socket('pub');

sock.bindSync('tcp://127.0.0.1:3000');
console.log('Publisher bound to port 3000');

setInterval(function(){
  console.log('sending a multipart message envelope');
  sock.send(['kitty cats', 'meow!']);
}, 500);

Subscriber: subber.js

// subber.js
var zmq = require('zmq-prebuilt')
  , sock = zmq.socket('sub');

sock.connect('tcp://127.0.0.1:3000');
sock.subscribe('kitty cats');
console.log('Subscriber connected to port 3000');

sock.on('message', function(topic, message) {
  console.log('received a message related to:', topic, 'containing message:', message);
});

For maintainers: Creating a release

When making a release, do the following:

npm version minor && git push && git push --tags

Then, wait for the prebuilds to get uploaded for each OS. After the prebuilds are uploaded, run the following to publish the release:

npm publish

To check if the binaries are packaged correctly, you can push a commit to nteract/zmq-prebuilt-testing.

Learn more about nteract

Visit our website http://nteract.io/.
See our organization on GitHub https://github.com/nteract
Join us on Slack if you need help or have questions. If you have trouble creating an account, either email rgbkrk@gmail.com or post an issue on GitHub.

License

gnestor/zmq-prebuilt

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