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test/test_rpccli.js

+var amqp = require('amqplib/callback_api');
+
+var args = process.argv.slice(2);
+
+if (args.length == 0) {
+  console.log("Usage: rpc_client.js num");
+  process.exit(1);
+}
+
+amqp.connect('amqp://bigmaster.igridproject.info', function(err, conn) {
+  conn.createChannel(function(err, ch) {
+    ch.assertQueue('', {exclusive: true}, function(err, q) {
+      var corr = generateUuid();
+      var num = parseInt(args[0]);
+
+      console.log(' [x] Requesting fib(%d)', num);
+
+      ch.consume(q.queue, function(msg) {
+        if (msg.properties.correlationId == corr) {
+          console.log(' [.] Got %s', msg.content.toString());
+          setTimeout(function() { conn.close(); process.exit(0) }, 500);
+        }
+      }, {noAck: true});
+
+      ch.sendToQueue('rpc_queue',
+      new Buffer(num.toString()),
+      { correlationId: corr, replyTo: q.queue });
+    });
+  });
+});
+
+function generateUuid() {
+  return Math.random().toString() +
+         Math.random().toString() +
+         Math.random().toString();
+}