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Commit 18ba4ec4 authored by sb's avatar sb
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fix #2551

parent 28428a38
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src/common/zeroconf/zeroconf.py
+ 33
− 30
View file @ 18ba4ec4
......@@ -18,11 +18,6 @@ import socket
from common import gajim
from common import xmpp
try:
import avahi, gobject, dbus
except ImportError:
gajim.log.debug('Error: python-avahi and python-dbus need to be installed. No zeroconf support.')
try:
import dbus.glib
except ImportError, e:
......@@ -35,6 +30,7 @@ C_ADDRESS, C_PORT, C_BARE_NAME, C_TXT = range(9)
class Zeroconf:
def __init__(self, new_serviceCB, remove_serviceCB, name_conflictCB,
disconnected_CB, error_CB, name, host, port):
self.avahi = None
self.server = None
self.domain = None # specific domain to browse
self.stype = '_presence._tcp'
......@@ -83,7 +79,7 @@ class Zeroconf:
# synchronous resolving
self.server.ResolveService( int(interface), int(protocol), name, stype, \
domain, avahi.PROTO_UNSPEC, dbus.UInt32(0), \
domain, self.avahi.PROTO_UNSPEC, dbus.UInt32(0), \
reply_handler=self.service_resolved_callback, error_handler=self.error_callback1)
def remove_service_callback(self, interface, protocol, name, stype, domain, flags):
......@@ -105,8 +101,8 @@ class Zeroconf:
object_path = self.server.ServiceBrowserNew(interface, protocol, \
stype, domain, dbus.UInt32(0))
self.service_browser = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, \
object_path) , avahi.DBUS_INTERFACE_SERVICE_BROWSER)
self.service_browser = dbus.Interface(self.bus.get_object(self.avahi.DBUS_NAME, \
object_path) , self.avahi.DBUS_INTERFACE_SERVICE_BROWSER)
self.service_browser.connect_to_signal('ItemNew', self.new_service_callback)
self.service_browser.connect_to_signal('ItemRemove', self.remove_service_callback)
self.service_browser.connect_to_signal('Failure', self.error_callback)
......@@ -120,14 +116,14 @@ class Zeroconf:
for byte_array in txt_array:
# 'str' is used for string type in python
value = avahi.byte_array_to_string(byte_array)
value = self.avahi.byte_array_to_string(byte_array)
poseq = value.find('=')
items[value[:poseq]] = value[poseq+1:]
return items
def service_resolved_callback(self, interface, protocol, name, stype, domain, host, aprotocol, address, port, txt, flags):
gajim.log.debug('Service data for service %s in domain %s on %i.%i:' % (name, domain, interface, protocol))
gajim.log.debug('Host %s (%s), port %i, TXT data: %s' % (host, address, port, avahi.txt_array_to_string_array(txt)))
gajim.log.debug('Host %s (%s), port %i, TXT data: %s' % (host, address, port, self.avahi.txt_array_to_string_array(txt)))
if not self.connected:
return
bare_name = name
......@@ -176,18 +172,18 @@ class Zeroconf:
def server_state_changed_callback(self, state, error):
print 'server.state %s' % state
if state == avahi.SERVER_RUNNING:
if state == self.avahi.SERVER_RUNNING:
self.create_service()
elif state == avahi.SERVER_COLLISION:
elif state == self.avahi.SERVER_COLLISION:
self.entrygroup.Reset()
elif state == avahi.CLIENT_FAILURE: # TODO: add error handling (avahi daemon dies...?)
elif state == self.avahi.CLIENT_FAILURE: # TODO: add error handling (avahi daemon dies...?)
print 'CLIENT FAILURE'
def entrygroup_state_changed_callback(self, state, error):
# the name is already present, so recreate
if state == avahi.ENTRY_GROUP_COLLISION:
if state == self.avahi.ENTRY_GROUP_COLLISION:
self.service_add_fail_callback('Local name collision')
elif state == avahi.ENTRY_GROUP_FAILURE:
elif state == self.avahi.ENTRY_GROUP_FAILURE:
print 'zeroconf.py: ENTRY_GROUP_FAILURE reached(that should not happen)'
# make zeroconf-valid names
......@@ -202,7 +198,7 @@ class Zeroconf:
try:
if not self.entrygroup:
# create an EntryGroup for publishing
self.entrygroup = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, self.server.EntryGroupNew()), avahi.DBUS_INTERFACE_ENTRY_GROUP)
self.entrygroup = dbus.Interface(self.bus.get_object(self.avahi.DBUS_NAME, self.server.EntryGroupNew()), self.avahi.DBUS_INTERFACE_ENTRY_GROUP)
self.entrygroup.connect_to_signal('StateChanged', self.entrygroup_state_changed_callback)
txt = {}
......@@ -224,7 +220,7 @@ class Zeroconf:
self.txt = txt
gajim.log.debug('Publishing service %s of type %s' % (self.name, self.stype))
self.entrygroup.AddService(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, dbus.UInt32(0), self.name, self.stype, '', '', self.port, avahi.dict_to_txt_array(self.txt), reply_handler=self.service_added_callback, error_handler=self.service_add_fail_callback)
self.entrygroup.AddService(self.avahi.IF_UNSPEC, self.avahi.PROTO_UNSPEC, dbus.UInt32(0), self.name, self.stype, '', '', self.port, self.avahi.dict_to_txt_array(self.txt), reply_handler=self.service_added_callback, error_handler=self.service_add_fail_callback)
self.entrygroup.Commit(reply_handler=self.service_committed_callback,
error_handler=self.entrygroup_commit_error_CB)
......@@ -239,7 +235,7 @@ class Zeroconf:
return False
state = self.server.GetState()
if state == avahi.SERVER_RUNNING:
if state == self.avahi.SERVER_RUNNING:
self.create_service()
self.announced = True
return True
......@@ -248,7 +244,7 @@ class Zeroconf:
if self.announced == False:
return False
try:
if self.entrygroup.GetState() != avahi.ENTRY_GROUP_FAILURE:
if self.entrygroup.GetState() != self.avahi.ENTRY_GROUP_FAILURE:
self.entrygroup.Reset()
self.entrygroup.Free()
self.entrygroup = None
......@@ -278,6 +274,13 @@ class Zeroconf:
# connect to dbus
def connect_dbus(self):
try:
import avahi, gobject, dbus
self.avahi = avahi
except ImportError:
gajim.log.debug('Error: python-avahi and python-dbus need to be installed. No zeroconf support.')
return False
if self.server:
return True
try:
......@@ -285,8 +288,8 @@ class Zeroconf:
self.bus.add_signal_receiver(self.avahi_dbus_connect_cb,
"NameOwnerChanged", "org.freedesktop.DBus",
arg0="org.freedesktop.Avahi")
self.server = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, \
avahi.DBUS_PATH_SERVER), avahi.DBUS_INTERFACE_SERVER)
self.server = dbus.Interface(self.bus.get_object(self.avahi.DBUS_NAME, \
self.avahi.DBUS_PATH_SERVER), self.avahi.DBUS_INTERFACE_SERVER)
self.server.connect_to_signal('StateChanged',
self.server_state_changed_callback)
except Exception, e:
......@@ -306,17 +309,17 @@ class Zeroconf:
# start browsing
if self.domain is None:
# Explicitly browse .local
self.browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, "local")
self.browse_domain(self.avahi.IF_UNSPEC, self.avahi.PROTO_UNSPEC, "local")
# Browse for other browsable domains
self.domain_browser = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, \
self.server.DomainBrowserNew(avahi.IF_UNSPEC, \
avahi.PROTO_UNSPEC, '', avahi.DOMAIN_BROWSER_BROWSE,\
dbus.UInt32(0))), avahi.DBUS_INTERFACE_DOMAIN_BROWSER)
self.domain_browser = dbus.Interface(self.bus.get_object(self.avahi.DBUS_NAME, \
self.server.DomainBrowserNew(self.avahi.IF_UNSPEC, \
self.avahi.PROTO_UNSPEC, '', self.avahi.DOMAIN_BROWSER_BROWSE,\
dbus.UInt32(0))), self.avahi.DBUS_INTERFACE_DOMAIN_BROWSER)
self.domain_browser.connect_to_signal('ItemNew', self.new_domain_callback)
self.domain_browser.connect_to_signal('Failure', self.error_callback)
else:
self.browse_domain(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, domain)
self.browse_domain(self.avahi.IF_UNSPEC, self.avahi.PROTO_UNSPEC, domain)
return True
......@@ -336,7 +339,7 @@ class Zeroconf:
def resolve_all(self):
for val in self.contacts.values():
self.server.ResolveService(int(val[C_INTERFACE]), int(val[C_PROTOCOL]), val[C_BARE_NAME], \
self.stype, val[C_DOMAIN], avahi.PROTO_UNSPEC, dbus.UInt32(0),\
self.stype, val[C_DOMAIN], self.avahi.PROTO_UNSPEC, dbus.UInt32(0),\
reply_handler=self.service_resolved_all_callback, error_handler=self.error_callback)
def get_contacts(self):
......@@ -349,9 +352,9 @@ class Zeroconf:
if show:
self.txt['status'] = self.replace_show(show)
txt = avahi.dict_to_txt_array(self.txt)
txt = self.avahi.dict_to_txt_array(self.txt)
if self.connected and self.entrygroup:
self.entrygroup.UpdateServiceTxt(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, dbus.UInt32(0), self.name, self.stype,'', txt, reply_handler=self.service_updated_callback, error_handler=self.error_callback)
self.entrygroup.UpdateServiceTxt(self.avahi.IF_UNSPEC, self.avahi.PROTO_UNSPEC, dbus.UInt32(0), self.name, self.stype,'', txt, reply_handler=self.service_updated_callback, error_handler=self.error_callback)
return True
else:
return False
......
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