How to use the zeromq.createSocket function in zeromq

To help you get started, we’ve selected a few zeromq examples, based on popular ways it is used in public projects.

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github rehanift / engine.js / robust.js View on Github external
return task;
    };

    self.addTask = function(task){
	self.taskPool.add(task);
    };

    self.getTask = function(task_id){
	return self.taskPool.get(task_id);
    };

    var context = require("zeromq");

    self.id = robust.util.makeUUID({prefix:"client"});

    self.results_socket = context.createSocket("pull");
    self.code_socket = context.createSocket("push");

    self.results_socket.on("message", function(data){
	if (data == robust.constants.HANDSHAKE) {
	    // do nothing
	    return true;
	} else if (data == robust.constants.READY) {
	    console.log("Ready handshake");
	    self.emit("ready");
	    return true;
	} else {
	    // TODO: need safe JSON parsing
	    data = JSON.parse(data);
	    robust.util.info("Receiving results for task " + data['task_id']);
	    console.log(data);
	}
github rehanift / engine.js / robust.js View on Github external
};

    self.addTask = function(task){
	self.taskPool.add(task);
    };

    self.getTask = function(task_id){
	return self.taskPool.get(task_id);
    };

    var context = require("zeromq");

    self.id = robust.util.makeUUID({prefix:"client"});

    self.results_socket = context.createSocket("pull");
    self.code_socket = context.createSocket("push");

    self.results_socket.on("message", function(data){
	if (data == robust.constants.HANDSHAKE) {
	    // do nothing
	    return true;
	} else if (data == robust.constants.READY) {
	    console.log("Ready handshake");
	    self.emit("ready");
	    return true;
	} else {
	    // TODO: need safe JSON parsing
	    data = JSON.parse(data);
	    robust.util.info("Receiving results for task " + data['task_id']);
	    console.log(data);
	}
github rehanift / engine.js / robust.js View on Github external
if (typeof(options.crankshaft) != "undefined") {
            crankshaft_endpoint = options.crankshaft;
        }
    }
    
    self.cylinder_block = context.createSocket("push");
    self.cylinder_block.bind(cylinder_block_endpoint, function(err){
        if (err) {
            throw err;
        }

        self.emit("cylinder block ready");
        self.checkoff("cylinder block", self.handleCheckoff);
    });

    self.crankshaft = context.createSocket("pull");
    self.crankshaft.bind(crankshaft_endpoint, function(err){
        if (err) {
            throw err;
        }

        self.emit("crankshaft ready");
        self.checkoff("crankshaft", self.handleCheckoff);
    });

    self.crankshaft.on("message", function(data){
        var parsed_data = JSON.parse(data);
        var task = self.getRunningTask(parsed_data.running_task_id);

        //if (task && task.getCallback()) {
        //    task.getCallback().call(null, data);
        //}
github dvv / farm / OLD / broker.js View on Github external
#!/usr/bin/env node
'use strict';

var ZMQ = require('zeromq');

var BROKER_REP = '127.0.0.1:5554';
var BROKER_PUB = '127.0.0.1:5555';

function log() {}
//var log = console.log;

//
// broker
//
var brokerListener = ZMQ.createSocket('sub');
var brokerPublisher = ZMQ.createSocket('pub');
var n = 0;
brokerListener.bind('tcp://' + BROKER_REP, function(err) {
	if (err) throw err;
	brokerListener.subscribe('');
	brokerListener.on('message', function(data) {
		log('BIN: ' + data.toString('utf8'));
		var r = brokerPublisher.send(data);
		if (r) {
			n++;
			console.error('PUB FAILED: ', r, n);
		}
	});
	console.error('Broker is listening to ' + BROKER_REP + '...');
});
brokerPublisher.bind('tcp://' + BROKER_PUB, function(err) {
	if (err) throw err;
github dvv / farm / OLD / broker1.js View on Github external
#!/usr/bin/env node
'use strict';

var ZMQ = require('zeromq');

var BROKER_REP = '127.0.0.1:5554';
var BROKER_PUB = '127.0.0.1:5555';

function log() {}
var log = console.log;

//
// broker
//
var brokerListener = ZMQ.createSocket('rep');
var brokerPublisher = ZMQ.createSocket('pub');
var n = 0;
brokerListener.bind('tcp://' + BROKER_REP, function(err) {
	if (err) throw err;
	brokerListener.on('message', function(data) {
		if (!(n % 10000)) console.error('BIN', n, Date.now());
		++n;
		log('BIN: ' + data.toString('utf8'));
		brokerPublisher.send(data);
		brokerListener.send('');
	});
	console.error('Broker is listening to ' + BROKER_REP + '...');
});
brokerPublisher.bind('tcp://' + BROKER_PUB, function(err) {
	if (err) throw err;
	brokerPublisher.on('message', function(data) {
github rehanift / engine.js / robust.js View on Github external
]);
    
    var cylinder_block_endpoint = defaults.cylinder_block;
    var crankshaft_endpoint = defaults.crankshaft;

    if (typeof(options) != "undefined") {
        if (typeof(options.cylinder_block) != "undefined") {
            cylinder_block_endpoint = options.cylinder_block;
        }

        if (typeof(options.crankshaft) != "undefined") {
            crankshaft_endpoint = options.crankshaft;
        }
    }
    
    self.cylinder_block = context.createSocket("push");
    self.cylinder_block.bind(cylinder_block_endpoint, function(err){
        if (err) {
            throw err;
        }

        self.emit("cylinder block ready");
        self.checkoff("cylinder block", self.handleCheckoff);
    });

    self.crankshaft = context.createSocket("pull");
    self.crankshaft.bind(crankshaft_endpoint, function(err){
        if (err) {
            throw err;
        }

        self.emit("crankshaft ready");
github rehanift / engine.js / robust.js View on Github external
engine.piston.server = function(){
    var self = this;
    self.started = false;
    self.running = function(){
	return self.started;
    };

    var context = require('zeromq');
    self.code_responder = context.createSocket('rep');

    self.code_responder.on('message', function(data) {
        var response = engine.piston.fire(data);
	self.code_responder.send(JSON.stringify(response));		
	
	return true;
    });

    self.start = function(endpoint, callback){
	self.code_responder.bind(endpoint, function(err) {
            if(err) {
		console.log(err);
            } else {
		self.started = true;
		if (typeof callback != "undefined") {
		    callback.call();
github dvv / farm / OLD / broker1.js View on Github external
function Worker(id) {
	var w = ZMQ.createSocket('req');
	w.connect('tcp://' + BROKER_REP);
	this.send = function(data) {
		log('WOUT:', id, data.toString('utf8'));
		return w.send(data);
	};
	var w1 = ZMQ.createSocket('sub');
	w1.connect('tcp://' + BROKER_PUB);
	w1.subscribe('');
	var n = 0;
	w1.on('message', function(data) {
		if (!(n % 10000)) console.error('WIN', n, Date.now());
		++n;
		log('WIN:', id, data.toString('utf8'));
	});
}
github rehanift / engine.js / robust.js View on Github external
robust.worker = function(options){
    var context = require('zeromq');
    var self = this;

    self.process_id = options.process_id;

    self.code_receiver = context.createSocket("pull");
    self.results_sender = context.createSocket("push");

    self.code_receiver.connect("ipc://code.ipc");
    self.results_sender.connect("ipc://results.ipc");

    self.code_receiver.on("message", function(data){
	if (data == robust.constants.HANDSHAKE) {
	    self.results_sender.send(robust.constants.READY);
	    return true;	    
	}
	
	var config = JSON.parse(data);
	var code = config['code'];
	var context = config['context'];
	var locals = config['locals'];
	var task_id = config['task_id'];
github rehanift / engine.js / robust.js View on Github external
robust.worker = function(options){
    var context = require('zeromq');
    var self = this;

    self.process_id = options.process_id;

    self.code_receiver = context.createSocket("pull");
    self.results_sender = context.createSocket("push");

    self.code_receiver.connect("ipc://code.ipc");
    self.results_sender.connect("ipc://results.ipc");

    self.code_receiver.on("message", function(data){
	if (data == robust.constants.HANDSHAKE) {
	    self.results_sender.send(robust.constants.READY);
	    return true;	    
	}
	
	var config = JSON.parse(data);
	var code = config['code'];
	var context = config['context'];
	var locals = config['locals'];
	var task_id = config['task_id'];

zeromq

Next-generation ZeroMQ bindings for Node.js

MIT
Latest version published 2 months ago

Package Health Score

87 / 100
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