Adding support for Xenomai targets.
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#This file is part of Beremiz, a Integrated Development Environment for
#programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
#
#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
#
#See COPYING file for copyrights details.
#
#This library 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 2.1 of the License, or (at your option) any later version.
#
#This library 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 library; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import Zeroconf, socket
class ServicePublisher():
def __init__(self):
# type: fully qualified service type name
self.service_type = '_PYRO._tcp.local.'
# properties: dictionary of properties (or a string holding the bytes for the text field)
self.serviceproperties = {'description':'Beremiz remote PLC'}
self.name = None
self.ip_32b = None
self.port = None
self.server = None
self.service_name = None
def RegisterService(self, name, ip, port):
# name: fully qualified service name
self.service_name = 'Beremiz_%s.%s'%(name,self.service_type)
self.name = name
self.port = port
# No ip params -> get host ip
if ip == "":
ip = self.gethostaddr()
print "My IP is :"+ip
self.server = Zeroconf.Zeroconf(ip)
# address: IP address as unsigned short, network byte order
self.ip_32b = socket.inet_aton(ip)
self.server.registerService(
Zeroconf.ServiceInfo(self.service_type,
self.service_name,
self.ip_32b,
self.port,
properties = self.serviceproperties))
def UnRegisterService(self):
self.server.unregisterService(
Zeroconf.ServiceInfo(self.service_type,
self.service_name,
self.ip_32b,
self.port,
properties = self.serviceproperties))
self.server.close()
del self.server
def gethostaddr(self, dst = '224.0.1.41'):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
try:
s.connect((dst, 7))
(host, port) = s.getsockname()
s.close()
if host != '0.0.0.0':
return host
except error:
pass
return socket.gethostbyname(socket.gethostname())