summaryrefslogtreecommitdiffstats
path: root/avahi-utils/avahi-browse.in
blob: 3507b417f10467f7f228d1b9ad7ce925ec598b09 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
#!@PYTHON@
# -*-python-*-
# $Id$ 

# This file is part of avahi.
#
# avahi is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# avahi 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 Lesser General Public
# License along with avahi; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA.

import sys, getopt

try:
    import avahi, gobject, dbus
except ImportError:
    print "Sorry, to use this tool you need to install Avahi, pygtk and python-dbus."
    sys.exit(1)

try:
    import dbus.glib
except ImportError, e:
    pass

def usage(retval = 0):
    print "%s [options] <type>\n" % sys.argv[0]
    print "   -h --help      Show this help"
    print "   -d --domain    The domain to browse"
    print "   -a --all       Show all services, regardless of the type"
    sys.exit(retval)

try:
    opts, args = getopt.getopt(sys.argv[1:], "hd:a", ["help", "domain=", "all"])
except getopt.GetoptError:
    usage(2)

domain = None
stype = None
show_all = False
    
for o, a in opts:
    if o in ("-h", "--help"):
        usage()

    if o in ("-d", "--domain"):
        domain = a

    if o in ("-a", "--all"):
        show_all = True

if len(args) > 1:
    usage(2)

if len(args) >= 1:
    stype = args[0];

if stype is None and not show_all:
    usage(2)

service_type_browsers = {}
service_browsers = {}

def siocgifname(interface):
    global server
    
    if interface <= 0:
        return "any"
    else:
        return server.GetNetworkInterfaceNameByIndex(interface)

def service_resolved(interface, protocol, name, type, domain, host, aprotocol, address, port, txt):
    print "Service data for service '%s' of type '%s' in domain '%s' on %s.%i:" % (name, type, domain, siocgifname(interface), protocol)
    print "\tHost %s (%s), port %i, TXT data: %s" % (host, address, port, avahi.txt_array_to_string_array(txt))

def print_error(err):
    print "Error:", str(err)

def new_service(interface, protocol, name, type, domain):
    global server
    
    print "Found service '%s' of type '%s' in domain '%s' on %s.%i." % (name, type, domain, siocgifname(interface), protocol)

    # Asynchronous resolving
    server.ResolveService(interface, protocol, name, type, domain, avahi.PROTO_UNSPEC, reply_handler=service_resolved, error_handler=print_error)

def remove_service(interface, protocol, name, type, domain):
    print "Service '%s' of type '%s' in domain '%s' on %s.%i disappeared." % (name, type, domain, siocgifname(interface), protocol)
 
def new_service_type(interface, protocol, type, domain):
    global server, service_browsers

    # Are we already browsing this domain for this type? 
    if service_browsers.has_key((interface, protocol, type, domain)):
        return

    print "Browsing for services of type '%s' in domain '%s' on %s.%i ..." % (type, domain, siocgifname(interface), protocol)
    
    b = dbus.Interface(bus.get_object(avahi.DBUS_NAME, server.ServiceBrowserNew(interface, protocol, type, domain)), avahi.DBUS_INTERFACE_SERVICE_BROWSER)
    b.connect_to_signal('ItemNew', new_service)
    b.connect_to_signal('ItemRemove', remove_service)

    service_browsers[(interface, protocol, type, domain)] = b

def browse_domain(interface, protocol, domain):
    global server, service_type_browsers, stype

    # Are we already browsing this domain?
    if service_type_browsers.has_key((interface, protocol, domain)):
        return

    if stype is None:
        print "Browsing domain '%s' on %s.%i ..." % (domain, siocgifname(interface), protocol)

        b = dbus.Interface(bus.get_object(avahi.DBUS_NAME, server.ServiceTypeBrowserNew(interface, protocol, domain)), avahi.DBUS_INTERFACE_SERVICE_TYPE_BROWSER)
        b.connect_to_signal('ItemNew', new_service_type)

        service_type_browsers[(interface, protocol, domain)] = b
    else:
        new_service_type(interface, protocol, stype, domain)

def new_domain(interface, protocol, domain):

    # We browse for .local anyway...
    if domain != "local":
        browse_domain(interface, protocol, domain)


bus = dbus.SystemBus()
server = dbus.Interface(bus.get_object(avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER), avahi.DBUS_INTERFACE_SERVER)

if domain is None:
    # Explicitly browse .local
    browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, "local")

    # Browse for other browsable domains
    db = dbus.Interface(bus.get_object(avahi.DBUS_NAME, server.DomainBrowserNew(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, "", avahi.DOMAIN_BROWSER_BROWSE)), avahi.DBUS_INTERFACE_DOMAIN_BROWSER)
    db.connect_to_signal('ItemNew', new_domain)

else:
    # Just browse the domain the user wants us to browse
    browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, domain)

try:
    gobject.MainLoop().run()
except KeyboardInterrupt, k:
    pass