monitor/REST_handle.js
function (port, parent_port) {

	// check if the port wasn't reported
	if (l_ports.hasOwnProperty(port) === false) {
		
		LOG.warn('recording used port [' + port + ']...', 'SR.Monitor');	
		l_ports[port] = parent_port || port;
	}
}
function (port, parent_port) {

	// check if the port wasn't reported
	if (l_ports.hasOwnProperty(port) === false) {
		
		LOG.warn('recording used port [' + port + ']...', 'SR.Monitor');	
		l_ports[port] = parent_port || port;
	}
}
function ( port , parent_port ) { // check if the port wasn't reported if ( l_ports . hasOwnProperty ( port ) === false ) { LOG . warn ( 'recording used port [' + port + ']...' , 'SR.Monitor' ) ; l_ports [ port ] = parent_port || port ; } }
record an existing port 'parent_port' indicats the which port, if released, will also release the current port
record an existing port parent_port indicats the which port if released will also release the current port