maqu14
78 lines
2.0 KiB
JavaScript
78 lines
2.0 KiB
JavaScript
/*
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*
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* Queue device
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*
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*/
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var zmq = require('../../')
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, frontPort = 'tcp://127.0.0.1:12345'
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, backPort = 'tcp://127.0.0.1:12346';
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function createClient (port) {
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var socket = zmq.socket('req');
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socket.identity = 'client' + process.pid;
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socket.on('message', function(data) {
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console.log(socket.identity + ': answer data ' + data);
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});
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socket.connect(port);
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console.log('client connected!');
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setInterval(function() {
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var value = Math.floor(Math.random()*100);
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console.log(socket.identity + ': asking ' + value);
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socket.send(value);
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}, 100);
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};
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function createServer (port) {
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var socket = zmq.socket('rep');
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socket.identity = 'server' + process.pid;
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socket.on('message', function(data) {
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console.log(socket.identity + ': received ' + data.toString());
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socket.send(data * 2);
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});
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socket.connect(port, function(err) {
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if (err) throw err;
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console.log('server connected!');
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});
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};
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function createQueueDevice(frontPort, backPort) {
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var frontSocket = zmq.socket('router'),
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backSocket = zmq.socket('dealer');
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frontSocket.identity = 'router' + process.pid;
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backSocket.identity = 'dealer' + process.pid;
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frontSocket.bind(frontPort, function (err) {
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console.log('bound', frontPort);
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});
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frontSocket.on('message', function() {
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//pass to back
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console.log('router: sending to server', arguments[0].toString(), arguments[2].toString());
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backSocket.send(Array.prototype.slice.call(arguments));
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});
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backSocket.bind(backPort, function (err) {
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console.log('bound', backPort);
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});
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backSocket.on('message', function() {
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//pass to front
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console.log('dealer: sending to client', arguments[0].toString(), arguments[2].toString());
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frontSocket.send(Array.prototype.slice.call(arguments));
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});
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}
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createQueueDevice(frontPort, backPort);
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createClient(frontPort);
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createServer(backPort);
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