conn.js

'use strict';

// Import the MQ package
var mq = require('ibmmq');
var MQC = mq.MQC; // Want to refer to this export directly for simplicity

// The queue manager to be used.
var qMgr = "QM1";
var hConn;

function formatErr(err) {
  return  "MQ call failed in " + err.message;
}

// When we're done, close queues and connections
function cleanup(hConn) {
}

function sleep(ms) {
  return new Promise(resolve=>{
    setTimeout(resolve,ms);
  });
}


// The program starts here.
// Connect to the queue manager.
console.log("Connection test started...");

// Create default MQCNO structure
var cno = new mq.MQCNO();

// And use the MQCD to programatically connect as a client
// First force the client mode
cno.Options |= MQC.MQCNO_CLIENT_BINDING;
// And then fill in relevant fields for the MQCD
var cd = new mq.MQCD();
cd.ConnectionName = "localhost(1414)";
cd.ChannelName = "DEV.APP.SVRCONN";
// Make the MQCNO refer to the MQCD
cno.ClientConn = cd;

// MQ V9.1.2 allows setting of the application name explicitly
if (MQC.MQCNO_CURRENT_VERSION >= 7) {
  cno.ApplName = "Node.js 9.1.2 ApplName";
}

// Now we can try to connect
mq.Connx(qMgr, cno, function(err,conn) {
  if (err) {
    console.log(formatErr(err));
  } else {
    console.log("MQCONN to %s successful ", qMgr);
    // Sleep for a few seconds - bad in a real program but good for this one
    sleep(3 *1000).then(() => {
      mq.Disc(conn, function(err) {
        if (err) {
          console.log(formatErr(err));
        } else {
          console.log("MQDISC successful");
        }
      });
    });
  }
});