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"""
Testing different methods related to the CodecOffer interface.
"""
import dbus
from dbus.exceptions import DBusException
from servicetest import (EventPattern,
assertEquals, assertLength, assertNotEquals
)
import ns
import constants as cs
from jingletest2 import JingleTest2, test_dialects, JingleProtocol031
from config import VOIP_ENABLED
if not VOIP_ENABLED:
print "NOTE: built with --disable-voip"
raise SystemExit(77)
def check_offer (bus, conn, content):
[path, md] = content.Get(cs.CALL_CONTENT_IFACE_MEDIA,
"MediaDescriptionOffer", dbus_interface=dbus.PROPERTIES_IFACE)
assertNotEquals ("/", path)
offer = bus.get_object (conn.bus_name, path)
md_property = offer.Get (cs.CALL_CONTENT_MEDIA_DESCRIPTION,
"Codecs", dbus_interface=dbus.PROPERTIES_IFACE)
assertEquals (md[cs.CALL_CONTENT_MEDIA_DESCRIPTION + ".Codecs"], md_property)
def accept_offer (q, bus, conn, self_handle, remote_handle,
content, md_props, offer_path = None,
codecs_changed = True):
[path, _] = content.Get (cs.CALL_CONTENT_IFACE_MEDIA,
"MediaDescriptionOffer", dbus_interface=dbus.PROPERTIES_IFACE)
offer = bus.get_object (conn.bus_name, path)
offer.Accept (md_props, dbus_interface=cs.CALL_CONTENT_MEDIA_DESCRIPTION)
current_mds = content.Get (cs.CALL_CONTENT_IFACE_MEDIA,
"RemoteMediaDescriptions", dbus_interface=dbus.PROPERTIES_IFACE)
assertEquals (md_props[cs.CALL_CONTENT_MEDIA_DESCRIPTION + '.Codecs'],
current_mds[remote_handle][cs.CALL_CONTENT_MEDIA_DESCRIPTION + '.Codecs'])
if codecs_changed:
o = q.expect ('dbus-signal', signal='RemoteMediaDescriptionsChanged')
assertEquals (md_props[cs.CALL_CONTENT_MEDIA_DESCRIPTION + '.Codecs'],
o.args[0][remote_handle][cs.CALL_CONTENT_MEDIA_DESCRIPTION + '.Codecs'])
def reject_offer (q, bus, conn,
content, codecs, offer_path = None):
[path, _] = content.Get(cs.CALL_CONTENT_IFACE_MEDIA,
"MediaDescriptionOffer", dbus_interface=dbus.PROPERTIES_IFACE)
offer = bus.get_object (conn.bus_name, path)
offer.Reject ((0, 0, "", ""), dbus_interface=cs.CALL_CONTENT_MEDIA_DESCRIPTION)
def update_codecs(jt2):
contents = jt2.generate_contents()
node = jt2.jp.SetIq(jt2.peer, jt2.jid, [
jt2.jp.Jingle(jt2.sid, jt2.peer, 'description-info', contents),
])
jt2.stream.send(jt2.jp.xml(node))
def prepare_test(jp, q, bus, conn, stream):
remote_jid = 'foo@bar.com/Foo'
jt2 = JingleTest2(jp, conn, q, stream, 'test@localhost', remote_jid)
jt2.prepare()
self_handle = conn.Properties.Get(cs.CONN, "SelfHandle")
remote_handle = conn.get_contact_handle_sync("foo@bar.com/Foo")
# Advertise that we can do new style calls
conn.ContactCapabilities.UpdateCapabilities([
(cs.CLIENT + ".CallHandler", [
{ cs.CHANNEL_TYPE: cs.CHANNEL_TYPE_CALL,
cs.CALL_INITIAL_AUDIO: True},
{ cs.CHANNEL_TYPE: cs.CHANNEL_TYPE_CALL,
cs.CALL_INITIAL_VIDEO: True},
], [
cs.CHANNEL_TYPE_CALL + '/gtalk-p2p',
cs.CHANNEL_TYPE_CALL + '/ice-udp',
cs.CHANNEL_TYPE_CALL + '/video/h264',
]),
])
return remote_jid, jt2, self_handle, remote_handle
def try_to_access_old_offer(conn, path):
try:
offer = bus.get_object (conn.bus_name, path)
ret = offer.GetAll (cs.CALL_CONTENT_MEDIA_DESCRIPTION,
dbus_interface=dbus.PROPERTIES_IFACE)
except Exception, e:
pass
else:
assert False, 'Offer still exists'
def test_incoming(jp, q, bus, conn, stream):
remote_jid, jt2, self_handle, remote_handle = prepare_test(jp, q, bus, conn, stream)
jt2.incoming_call()
ret = q.expect_many(EventPattern('dbus-signal', signal='NewChannels',
predicate=lambda e:
cs.CHANNEL_TYPE_CALL in e.args[0][0][1].values()),
EventPattern('dbus-signal', signal='NewMediaDescriptionOffer'))
chan = bus.get_object(conn.bus_name, ret[0].args[0][0][0])
properties = chan.GetAll(cs.CHANNEL_TYPE_CALL,
dbus_interface=dbus.PROPERTIES_IFACE)
content = bus.get_object (conn.bus_name, properties["Contents"][0])
md = jt2.get_call_audio_md_dbus()
check_offer(bus, conn, content)
accept_offer(q, bus, conn, self_handle, remote_handle,
content, md)
update_codecs(jt2)
signal = q.expect('dbus-signal', signal='NewMediaDescriptionOffer')
check_offer(bus, conn, content)
reject_offer(q, bus, conn, content, md)
update_codecs(jt2)
signal = q.expect('dbus-signal', signal='NewMediaDescriptionOffer')
check_offer(bus, conn, content)
accept_offer(q, bus, conn, self_handle, remote_handle,
content, md, codecs_changed = False)
update_codecs(jt2)
signal = q.expect('dbus-signal', signal='NewMediaDescriptionOffer')
check_offer(bus, conn, content)
[path, _] = content.Get (cs.CALL_CONTENT_IFACE_MEDIA,
"MediaDescriptionOffer", dbus_interface=dbus.PROPERTIES_IFACE)
chan.Close(dbus_interface=cs.CHANNEL)
signal = q.expect('dbus-signal', signal='ChannelClosed')
try_to_access_old_offer(conn, path)
try:
ret = conn.GetAll (cs.CONN, dbus_interface=dbus.PROPERTIES_IFACE)
except Exception, e:
print 'Gabble probably crashed'
raise e
else:
# depending on the age of our telepathy-glib, we have at least
# SelfHandle, and might also have Interfaces and Status
assert len(ret) > 0
def test_outgoing(jp, q, bus, conn, stream):
remote_jid, jt2, self_handle, remote_handle = prepare_test(jp, q, bus, conn, stream)
# make a new outgoing call
conn.CreateChannel({
cs.TARGET_HANDLE_TYPE: cs.HT_CONTACT,
cs.CHANNEL_TYPE: cs.CHANNEL_TYPE_CALL,
cs.TARGET_HANDLE: remote_handle,
cs.CALL_INITIAL_AUDIO: True,
cs.CALL_INITIAL_VIDEO: False
}, dbus_interface=cs.CONN_IFACE_REQUESTS)
ret = q.expect_many(EventPattern('dbus-signal', signal='NewChannels',
predicate=lambda e:
cs.CHANNEL_TYPE_CALL in e.args[0][0][1].values()),
# a codec offer appears already!
EventPattern('dbus-signal', signal='NewMediaDescriptionOffer'))
# all the basic stuff is already tested in call-basics.py
chan = bus.get_object(conn.bus_name, ret[0].args[0][0][0])
# there is no remote codec information, so this should be empty
assertEquals(ret[1].args[1][cs.CALL_CONTENT_MEDIA_DESCRIPTION + ".Codecs"], [])
# get a list of audio codecs we can support
md = jt2.get_call_audio_md_dbus(remote_handle)
# make sure UpdateCodecs fails
props = chan.GetAll(cs.CHANNEL_TYPE_CALL,
dbus_interface=dbus.PROPERTIES_IFACE)
content = bus.get_object(conn.bus_name, props["Contents"][0])
try:
content.UpdateLocalMediaDescription(md, dbus_interface=cs.CALL_CONTENT_IFACE_MEDIA)
except DBusException, e:
# this should fail now that there is a codec offer around
if e.get_dbus_name() != cs.NOT_AVAILABLE:
raise e
else:
assert false
# we'll need these later
content_props = content.GetAll(cs.CALL_CONTENT,
dbus_interface=dbus.PROPERTIES_IFACE)
# make an offer they can't refuse
offer = bus.get_object(conn.bus_name, ret[1].args[0])
props = offer.GetAll(cs.CALL_CONTENT_MEDIA_DESCRIPTION,
dbus_interface=dbus.PROPERTIES_IFACE)
# this also needs to be empty
assertEquals(props["Codecs"], [])
offer.Accept(md, dbus_interface=cs.CALL_CONTENT_MEDIA_DESCRIPTION)
o = q.expect('dbus-signal', signal='RemoteMediaDescriptionsChanged')
chan.Accept(dbus_interface=cs.CHANNEL_TYPE_CALL)
cstream = bus.get_object(conn.bus_name, content_props["Streams"][0])
recv_state = cstream.Get(cs.CALL_STREAM_IFACE_MEDIA, "ReceivingState",
dbus_interface=dbus.PROPERTIES_IFACE)
assertEquals (cs.CALL_STREAM_FLOW_STATE_PENDING_START, recv_state)
cstream.CompleteReceivingStateChange(
cs.CALL_STREAM_FLOW_STATE_STARTED,
dbus_interface = cs.CALL_STREAM_IFACE_MEDIA)
# add candidates
candidates = jt2.get_call_remote_transports_dbus ()
cstream.AddCandidates (candidates,
dbus_interface=cs.CALL_STREAM_IFACE_MEDIA)
ret = q.expect_many(EventPattern('dbus-signal', signal='LocalCandidatesAdded'),
EventPattern('stream-iq',
predicate=jp.action_predicate('session-initiate')))
assertEquals (candidates, ret[0].args[0])
jt2.parse_session_initiate(ret[1].query)
cstream.FinishInitialCandidates (dbus_interface=cs.CALL_STREAM_IFACE_MEDIA)
local_candidates = cstream.Get(cs.CALL_STREAM_IFACE_MEDIA,
"LocalCandidates", dbus_interface=dbus.PROPERTIES_IFACE)
assertEquals (candidates, local_candidates)
endpoints = cstream.Get(cs.CALL_STREAM_IFACE_MEDIA,
"Endpoints", dbus_interface=dbus.PROPERTIES_IFACE)
assertLength (1, endpoints)
# accept with a subset of the codecs
old_codecs = jt2.audio_codecs
jt2.audio_codecs = jt2.audio_codecs[:-1] # all but the last one
# session-accept
jt2.accept()
ret = q.expect('dbus-signal', signal='NewMediaDescriptionOffer')
# make sure the codec offer has the updated codecs
assertEquals(ret.args[1][cs.CALL_CONTENT_MEDIA_DESCRIPTION + ".Codecs"],
md[cs.CALL_CONTENT_MEDIA_DESCRIPTION + ".Codecs"][:-1])
# accept new offer
offer = bus.get_object(conn.bus_name, ret.args[0])
md[cs.CALL_CONTENT_MEDIA_DESCRIPTION + ".Codecs"].pop()
offer.Accept(md, dbus_interface=cs.CALL_CONTENT_MEDIA_DESCRIPTION)
# now we should both have the smaller set of codecs, easy
o = q.expect ('dbus-signal', signal='RemoteMediaDescriptionsChanged')
assertEquals (md[cs.CALL_CONTENT_MEDIA_DESCRIPTION + ".Codecs"], o.args[0][remote_handle][cs.CALL_CONTENT_MEDIA_DESCRIPTION + ".Codecs"])
chan.Close(dbus_interface=cs.CHANNEL)
signal = q.expect('dbus-signal', signal='ChannelClosed')
try_to_access_old_offer(conn, ret.args[0])
if __name__ == '__main__':
test_dialects(test_incoming, [JingleProtocol031])
test_dialects(test_outgoing, [JingleProtocol031])
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