25

import Zeroconf, socket

    27

# type: fully qualified service type name

    28

service_type = '_PYRO._tcp.local.'

    30

# properties: dictionary of properties (or a string holding the bytes for the text field)

    31

serviceproperties = {'description':'Beremiz remote PLC'}

    32

    33

def gethostaddr(dst = '224.0.1.41'):

    34

    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

    35

    try:

    36

        s.connect((dst, 7))

    37

        (host, port) = s.getsockname()

    38

        s.close()

    39

        if host != '0.0.0.0':

    40

            return host

    41

    except error:

    42

        pass

    43

    return socket.gethostbyname(socket.gethostname())

    44

    45

    46

def ServicePublisher(name, ip, port):

    47

    48

        # name: fully qualified service name

    49

        service_name = 'Beremiz_%s.%s'%(name,service_type)

    50

    51

        # No ip params -> get host ip

    52

        if ip == "":

    53

            ip = gethostaddr()

    54

    55

        print "Mon IP est :"+ip

    56

    57

        server = Zeroconf.Zeroconf(ip)

    58

    59

        # address: IP address as unsigned short, network byte order

    60

        ip_32b = socket.inet_aton(ip)

    61

    62

        server.registerService(

    63

             Zeroconf.ServiceInfo(service_type,

    64

                                  service_name,

    65

                                  ip_32b,

    67

                                  properties = serviceproperties))

    68

    69

        return server