// ISSUE-100 (https://github.com/openstf/stf/issues/100)

// In some networks TCP Connection dies if kept idle for long.
// Setting TCP_KEEPALIVE option true, to all the zmq sockets
// won't let it die

var zmq = require('zmq')

var log = require('./logger').createLogger('util:zmqutil')

module.exports.socket = function() {
  var sock = zmq.socket.apply(zmq, arguments)

  try {
    sock.setsockopt(zmq.ZMQ_TCP_KEEPALIVE, 1)
    sock.setsockopt(zmq.ZMQ_TCP_KEEPALIVE_IDLE, 300000)
  }
  catch (err) {
    log.warn('ZeroMQ library too old, no support for TCP keepalive options')
  }

  return sock
}