source: libi4uc/i4ucposixserialportutils.vala @ bed559542aed66b07b1f09f793d912e40bb53406

/* i4ucposixserialportutils.vala
 *
 * Copyright (C) 2010  Matias De la Puente
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Author:
 *      Matias De la Puente <mfpuente.ar@gmail.com>
 */
using Gee;
using DBus;
using Hal;

public class I4uc.PosixSerialPortUtils : SerialPortUtils
{
        public override Gee.List<string> list_serial_ports ()
        {
                var serial_ports = new ArrayList<string> ();
                
                var dbus_error = DBus.RawError ();
                var hal = new Hal.Context ();
                
                if (hal == null)
                        print ("Error getting HAL context\n");
                
                if (!hal.set_dbus_connection (RawBus.get (DBus.BusType.SYSTEM, ref dbus_error))) 
                        print ("Error setting dbus connection: %s\n".printf (dbus_error.message));
                
                if (!hal.init (ref dbus_error))
                        print ("Cannot initialize connection to the hald\nNormally this means that the HAL deamon (hald) is not running or not ready\n");
                
                var udis = hal.find_device_by_capability ("serial", ref dbus_error);
                if (dbus_error.is_set ()) 
                        print ("Error finding serial devices: %s: %s\n".printf (dbus_error.name, dbus_error.message));
                
                foreach (var udi in udis)
                {
                        var device = hal.device_get_property_string (udi, "serial.device", ref dbus_error);
                        if (dbus_error.is_set ()) 
                                print ("Error getting property string: %s: %s\n".printf (dbus_error.name, dbus_error.message));
                        serial_ports.add (device);
                }
                
                return serial_ports.read_only_view;
        }
}